WO2020258722A1 - 一种减速裁切控制方法及控制装置 - Google Patents

一种减速裁切控制方法及控制装置 Download PDF

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Publication number
WO2020258722A1
WO2020258722A1 PCT/CN2019/122244 CN2019122244W WO2020258722A1 WO 2020258722 A1 WO2020258722 A1 WO 2020258722A1 CN 2019122244 W CN2019122244 W CN 2019122244W WO 2020258722 A1 WO2020258722 A1 WO 2020258722A1
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WIPO (PCT)
Prior art keywords
cut
deceleration
product
cutting
distance
Prior art date
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PCT/CN2019/122244
Other languages
English (en)
French (fr)
Inventor
周俊杰
周明浪
蔡文杰
许天锋
李峰
Original Assignee
广东利元亨智能装备股份有限公司
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Application filed by 广东利元亨智能装备股份有限公司 filed Critical 广东利元亨智能装备股份有限公司
Priority to EP19935304.6A priority Critical patent/EP3981719A4/en
Publication of WO2020258722A1 publication Critical patent/WO2020258722A1/zh

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Classifications

    • 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
    • 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
    • B26D5/007—Control means comprising cameras, vision or image processing systems
    • 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
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/26—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed wherein control means on the work feed means renders the cutting member operative
    • 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
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/32—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • 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
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
    • B26D5/34—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0073—Details
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
    • G05B19/4166—Controlling feed or in-feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed

Definitions

  • This application relates to the technical field of cutting control, in particular to a method and a control device for deceleration cutting control.
  • the automatic winding machine In the process of conveying the product to be cut for cutting, it is usually necessary to consider the influence of the running speed of the product to be cut on the cutting accuracy to ensure the cutting quality.
  • the main operation flow of the fully automatic winding machine includes Inserting, pre-rolling, winding, cutting of pole pieces and separators, changing positions, attaching tapes, and cutting materials of positive and negative plates and separators. Because the automatic winding machine is in operation, the running speed of the positive and negative plates is usually uncontrollable, and the running speed of the positive and negative plates directly affects the stability of the automatic winding machine. When the negative electrode sheet is cut, the cutting accuracy of the electrode sheet will be poor, so that the quality of the wound cell cannot be guaranteed, and the yield of the cell is affected.
  • this application provides a deceleration cutting control method and control device.
  • a deceleration cutting control method disclosed in this application includes:
  • the product to be cut runs to a predetermined position or receives a deceleration signal, the product to be cut decelerates according to the preset deceleration curve;
  • the product to be cut is decelerated according to the preset deceleration curve, the product to be cut is cut.
  • the product to be cut when the product to be cut runs to a predetermined position, the product to be cut is decelerated according to a preset deceleration curve including: obtaining the remaining distance of the product to be cut to be run, and when the product to be cut is to be moved The remaining running distance matches the deceleration distance corresponding to the deceleration curve, and the product to be cut is decelerated according to the preset deceleration curve.
  • obtaining the remaining distance of the product to be cut to be run includes: calculating the running distance of the product to be cut according to the measured output value of the detection element, and according to the total length of the product to be cut and the length of the product to be cut.
  • the running distance obtains the remaining distance of the product to be cut.
  • the method further includes presetting a deceleration curve according to a uniform deceleration operation mode.
  • the hysteresis coefficient b satisfies 1 ⁇ b ⁇ 1.5.
  • it further includes: when the product to be cut is decelerated according to the preset deceleration curve, calculating the compensation distance of the cutting piece that needs to be moved; and the cutting of the cutting piece to the product to be cut according to the compensation distance Position movement, the cutting piece is cut at the cutting position of the product to be cut.
  • calculating the compensation distance of the cutting piece that needs to be moved includes: calculating the compensation distance of the cutting piece that needs to be moved according to the running distance of the product to be cut calculated according to the measured output value of the detection element.
  • the present application provides a deceleration cutting control device, including:
  • the controller judges whether the product to be cut runs to a predetermined position or receives a deceleration signal according to the running state of the conveying piece.
  • the product to be cut runs to a predetermined position or receives a deceleration signal, it controls the conveying piece to follow a preset deceleration curve Slow down;
  • Cutting pieces are used for cutting the products to be cut.
  • the controller further includes a compensating driver.
  • the controller also calculates the compensation distance that the cut part needs to move, and controls the compensating driver according to the compensation The distance drives the cutting piece to move to the product to be cut, so that the cutting piece is cut.
  • the cut product runs to a predetermined position or receives a deceleration signal as the control signal for the deceleration of the product to be cut, that is, as long as the product to be cut is received to run to the predetermined position If any control signal in the deceleration signal is received, the product to be cut is decelerated according to the preset deceleration curve.
  • the deceleration curve is preset in advance according to actual conditions such as the length of the product to be cut and the position of the cutting position of the product to be cut, the running speed of the product to be cut, and the operating range within which the cutting piece can operate normally.
  • the set deceleration curve can be flexibly planned.
  • the speed before and after the deceleration of the product to be cut is used according to actual conditions, and the deceleration curve is preset in a uniform deceleration mode, which makes the cutting control simple and easy .
  • the preset deceleration curve of uniform deceleration it is convenient to calculate the deceleration distance corresponding to the deceleration curve, and fully consider the impact of the actual deceleration on the cutting accuracy caused by the possible lag of the actual deceleration. Deceleration distance.
  • the compensation distance that the cutting piece needs to travel is calculated according to the distance between the normal operating range of the cutting piece and the cutting position of the product to be cut, and the cutting position of the product to be cut is accurately cut. To achieve the purpose of precise cutting.
  • Figure 1 is a flow chart of the deceleration cutting control method in the first embodiment
  • Figure 2 is a schematic diagram of the deceleration curve in the first embodiment.
  • This embodiment provides a deceleration cutting control method.
  • FIG. 1 is a flowchart of the deceleration cutting control method in this embodiment.
  • the deceleration cutting control method of this embodiment includes: when the product to be cut runs to a predetermined position or receives a deceleration signal, the product to be cut decelerates according to a preset deceleration curve; The deceleration curve is set to complete the deceleration, and the product to be cut is cut.
  • the product to be cut when the cut product runs to a predetermined position and receives a deceleration signal, any one of the conditions is met, the product to be cut will decelerate according to the preset deceleration curve, for example, when the cut product runs to the predetermined position but If the deceleration signal is not received, the product to be cut will decelerate according to the preset deceleration curve, or when the deceleration signal is received but the signal that the product to be cut has not been received to the predetermined position, the product to be cut will also be Decelerate according to the preset deceleration curve, use the cut product to run to the predetermined position or receive the deceleration signal as the control signal for the deceleration of the product to be cut, that is, as long as the signal to be cut to the predetermined position is received or received For any control signal in the deceleration signal, the product to be cut is decelerated according to the preset deceleration curve.
  • the two control signals are used in combination to improve the cutting accuracy.
  • the deceleration curve can be flexibly preset according to actual conditions such as the length of the product to be cut and the position of the cutting position of the product to be cut, the running speed of the product to be cut, the operating range of the cutting piece can operate normally, and other factors.
  • the product to be cut when the product to be cut runs to a predetermined position, the product to be cut is decelerated according to a preset deceleration curve including: first obtaining the remaining distance of the product to be cut to be run, when the remaining distance of the product to be cut to be run is equal to The deceleration distance corresponding to the deceleration curve is matched, and the product to be cut is decelerated according to the preset deceleration curve.
  • the remaining distance of the product to be cut can be obtained in the following way.
  • the product to be cut can usually be wound on a roller, and a detection element is installed on the roller.
  • the detection element such as an encoder can detect The angle of the roller rotation, and output the corresponding pulse, that is, the detection element outputs the measured output value, and the distance of the product to be cut is calculated according to the measured output value of the detection element. Since the total length of the product to be cut is known, according to the The total length of the product to be cut and the distance that the product to be cut has traveled can be used to obtain the remaining distance of the product to be cut to be traveled.
  • the uniform deceleration operation mode is used to preset the deceleration curve. Specifically, first calculate a reasonable optimum based on actual conditions such as the length of the product to be cut and the position of the cutting position of the product to be cut, the running speed of the product to be cut, and the operating range of the cut piece that can operate normally.
  • the deceleration curve is preset according to the calculated reasonable and optimal deceleration curve. The preset deceleration curve meets the uniform deceleration movement.
  • the cutting control can be simple and easy, and the deceleration is based on the preset uniform deceleration Curve, it is convenient to calculate the deceleration distance corresponding to the deceleration curve, so as to more conveniently determine that the remaining distance of the product to be cut to be run matches the deceleration distance corresponding to the deceleration curve.
  • FIG. 2 is a schematic diagram of the deceleration curve in this embodiment.
  • V is the running speed of the product to be cut
  • t is the running time of the product to be cut
  • the OA segment is the initial stage of the product to be cut
  • AB is the mid-stage of the product to be cut
  • the BC segment is It is the preset deceleration curve
  • EF is the actual deceleration curve of the product to be cut.
  • the product to be cut runs to a predetermined position or receives a deceleration signal, and the product to be cut is in accordance with the preset Due to the lag between the preset deceleration curve and the actual deceleration curve, when the deceleration curve is preset, the impact of the lag is fully considered, so the lag coefficient b is preset to prevent the deceleration lag from affecting the cutting accuracy influences.
  • the deceleration distance and the hysteresis coefficient b can be set through the man-machine interface.
  • the deceleration cutting control method of this embodiment further includes calculating a compensation distance, so that the cutting piece moves to the cutting position of the product to be cut according to the calculated compensation distance, and the cutting position of the product to be cut is accurately cut. Specifically, when the product to be cut is decelerated according to the preset deceleration curve, the compensation distance of the cutting piece to be moved is first calculated, and then the cutting piece moves to the cutting position of the product to be cut according to the compensation distance. Cut the cutting position of the product to be cut. The compensation distance is calculated based on the running distance of the product to be cut calculated based on the measured output value of the detection element.
  • the deceleration curve is preset in advance by considering the factors that affect the cutting accuracy, so that the product to be cut is decelerated according to the deceleration curve, and the cutting position of the product to be cut out of the line is prevented from exceeding the operation of the cutting piece. Range, to achieve accurate cutting of the cutting position of the product to be cut, and achieve the purpose of accurate cutting.
  • the cut product is used to run to a predetermined position or a deceleration signal is received as a control signal for deceleration of the product to be cut, that is, as long as the product to be cut is received to run to a predetermined position If any control signal in the deceleration signal is received, the product to be cut is decelerated according to the preset deceleration curve.
  • the deceleration curve is preset in advance according to actual conditions such as the length of the product to be cut and the position of the cutting position of the product to be cut, the running speed of the product to be cut, and the operating range within which the cutting piece can operate normally.
  • the set deceleration curve can be flexibly planned.
  • the product to be cut decelerates according to the preset deceleration curve, and a more optimized deceleration curve can be obtained according to the actual situation to ensure that the product to be cut decelerates according to the deceleration curve, shortens the deceleration time, and improves Deceleration efficiency.
  • the speed before and after the deceleration of the product to be cut is also used according to the actual situation, and the deceleration curve is preset by the uniform deceleration operation mode, so that the cutting control is simple and easy.
  • the deceleration distance is determined by the lag coefficient and the theoretical value of the deceleration distance. After the deceleration is completed, the distance of the product to be cut calculated based on the measured output value of the detection element is calculated to calculate the compensation distance that the cut piece needs to run to achieve the purpose of precise cutting.
  • This embodiment provides a deceleration cutting control device, which includes a conveying member, a detection element, a sensor, a controller, and a cutting member.
  • the conveying part is used to convey the products to be cut, and the conveying part includes a main drive motor, a winding motor and multiple rollers.
  • the detection element is used to detect the running status of the conveying part.
  • the detection element includes an encoder, which is installed on one of the rollers. The encoder measures the angle or number of turns of the roller, and outputs a pulse signal according to the measured angle or number of turns.
  • the sensor is used to sense the product to be cut and emit a deceleration signal.
  • the sensor can be a deceleration photoelectric. When the sensor detects that the product to be cut enters the sensing range, it emits a deceleration signal.
  • the controller judges whether the product to be cut runs to a predetermined position or receives a deceleration signal according to the running state of the conveying piece. When the product to be cut runs to a predetermined position or receives a deceleration signal, it controls the conveying piece to follow a preset deceleration curve. slow down.
  • the controller judges whether the product to be cut runs to a predetermined position, the controller first obtains the remaining distance of the product to be cut to run. When the remaining distance of the product to be cut to run matches the deceleration distance corresponding to the deceleration curve, The product to be cut is decelerated according to the preset deceleration curve.
  • the running distance of the product to be cut can be calculated according to the measured output value of the detection element, and the remaining distance of the product to be cut to be run can be obtained according to the total sheet length of the product to be cut and the distance that the product to be cut has traveled.
  • the controller receives the pulse signal sent by the encoder and judges whether the product to be cut has moved to a predetermined position according to the pulse signal, specifically, the controller can calculate the distance that the product to be cut has traveled according to the pulse signal, and According to the total length of the product to be cut and the distance of the product to be cut, the remaining distance of the product to be cut is calculated to obtain the remaining distance to be run.
  • the controller When the remaining distance of the product to be cut to be run matches the deceleration distance corresponding to the deceleration curve, The product to be cut is decelerated according to the preset deceleration curve.
  • the preset deceleration curve is set according to the uniform deceleration operation mode.
  • the controller In order to avoid the impact of running lag, the controller also sets a lag coefficient through the human-machine interface, that is, the lag coefficient is pre-stored in the controller.
  • Cutting pieces are used for cutting the products to be cut.
  • the cut piece can be a cutter.
  • the deceleration cutting control device in this example also includes a compensation drive, which includes a compensation motor and a cutter cylinder.
  • the controller also calculates the compensation distance that the cutting piece needs to move, and controls the compensation drive to drive the cutting piece to move to the product to be cut according to the compensation distance.
  • the cut piece is cut for the product to be cut.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
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Abstract

一种减速裁切控制方法，包括：当待裁切产品运行到预定的位置或接收到减速信号，待裁切产品按照预设的减速曲线进行减速；当待裁切产品按照预设的减速曲线完成减速，对待裁切产品进行裁切。一种控制装置，包括输送件、检测元件、感测器、控制器及裁切件，利用上述控制方法对待裁切产品进行裁切。采用上述方法和装置对待裁切产品进行裁切，可以保证待裁切产品根据减速曲线进行减速，缩短减速的时间，提高减速效率。

Description

一种减速裁切控制方法及控制装置 技术领域
本申请涉及裁切控制技术领域，具体地，涉及一种减速裁切控制方法及控制装置。
背景技术
输送待裁切产品进行裁切的过程中，通常需要考虑待裁切产品的运行速度对裁切精度的影响，以保证裁切质量。例如，锂电池电芯的制作过程中，通常需要采用全自动卷绕机将整卷的正负极片和隔膜通过卷绕的方式做成电芯，全自动卷绕机运作的主要动作流程包括正负极片及隔膜的入片、预卷、卷绕、极片和隔膜裁断、换工位、贴胶带以及下料等。由于全自动卷绕机在运作过程中，正负极片的运行速度通常是不可控的，而正负极片的运行速度除了直接影响全自动卷绕机运行的稳定性以外，当需要对正负极片进行裁切时，会导致极片裁断精度差，以致无法保证卷绕电芯的质量，影响电芯的良品率。
发明内容
针对现有技术的不足，本申请提供一种减速裁切控制方法及控制装置。
根据本申请的第一方面，本申请公开的一种减速裁切控制方法，包括：
当待裁切产品运行到预定的位置或接收到减速信号，待裁切产品按照预设的减速曲线进行减速；
当待裁切产品按照预设的减速曲线完成减速，对待裁切产品进行裁切。
根据本申请的一实施方式，当待裁切产品运行到预定的位置，待裁切产品按照预设的减速曲线进行减速包括：获取待裁切产品待运行的剩余距离，当待裁切产品待运行的剩余距离与减速曲线相对应的减速距离相匹配，待裁切产品按照预设的减速曲线进行减速。
根据本申请的一实施方式，获取待裁切产品待运行的剩余距离包括：根据 检测元件测量输出值计算待裁切产品已运行的距离，根据待裁切产品总片长及待裁切产品已运行的距离获取待裁切产品待运行的剩余距离。
根据本申请的一实施方式，还包括根据匀减速运行方式预设减速曲线。
根据本申请的一实施方式，还包括：预设滞后系数b，减速曲线相对应的减速距离根据公式S×b＝(V 2 2-V 1 2)b/2a获得，其中，V 2为减速前速度，V 1为减速后速度，a为减速度，S为减速距离理论值。
根据本申请的一实施方式，滞后系数b满足1<b<1.5。
根据本申请的一实施方式，还包括：当待裁切产品按照预设的减速曲线完成减速后，计算出裁切件需要运动的补偿距离；裁切件根据补偿距离向待裁切产品的切位运动，裁切件对待裁切产品的切位进行裁切。
根据本申请的一实施方式，计算出裁切件需要运动的补偿距离包括：根据检测元件测量输出值计算的待裁切产品已运行的距离计算出裁切件需要运动的补偿距离。
根据本申请的第二方面，本申请提供一种减速裁切控制装置，包括：
输送件，输送待裁切产品；
检测元件，检测输送件的运行状态；
感测器，感测待裁切产品，并发射减速信号；
控制器，根据输送件的运行状态判断待裁切产品是否运行到预定的位置或接受减速信号，当待裁切产品运行到预定的位置或接收到减速信号，控制输送件按照预设的减速曲线进行减速；以及
裁切件，用于对待裁切产品进行裁切。
根据本申请的一实施方式，还包括补偿驱动件，当待裁切产品按照预设的减速曲线完成减速后，控制器还计算出裁切件需要运动的补偿距离，并控制补偿驱动件根据补偿距离驱动裁切件向待裁切产品运动，以使裁切件对待裁切产品进行裁切。
本申请的减速裁切控制方法及裁切装置中，采用裁切产品运行预定位置或接收减速信号作为待裁切产品进行减速的控制信号，也就是只要接收到待裁切 品运行到预定的位置的信号或接收到减速信号中的任何一种控制信号，待裁切产品按照预预设的减速曲线进行减速。并且，根据实际情况比如待裁切产品的片长及待裁切产品的切位的位置、待裁切产品运行的速度、裁切件可以正常动作的运行范围等事先预设减速曲线，使得预设的减速曲线可以柔性规划，待裁切产品根据预设的减速曲线进行减速，可以根据实际情况得到更加优化的减速曲线，以保证待裁切产品根据减速曲线进行减速，缩短减速的时间，提高减速效率。
更进一步地，本申请的减速裁切控制方法中，根据实际情况利用待裁切产品减速前的速度及减速后的速度，采用匀减速的运行方式预设减速曲线，使得裁切控制简单易行。并且，根据预设的匀减速的减速曲线，可以方便计算与减速曲线相对应的减速距离，并充分考虑实际减速可能滞后带来的对裁切精度的影响，通过滞后系数与减速距离理论值确定减速距离。再者，完成减速后，根据裁切件可以正常运行范围与待裁切产品的切位之间的距离关系计算裁切件需要运行的补偿距离，对待裁切产品的切位进行精确裁切，达到精确裁切的目的。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为实施例一中减速裁切控制方法的流程图；
图2为实施例一中减速曲线的示意图。
具体实施方式
以下将以图式揭露本申请的多个实施方式，为明确说明起见，许多实务上的细节将在以下叙述中一并说明。然而，应了解到，这些实务上的细节不应用以限制本申请。也就是说，在本申请的部分实施方式中，这些实务上的细节是非必要的。此外，为简化图式起见，一些习知惯用的结构与组件在图式中将以 简单的示意的方式绘示之。
另外，在本申请中如涉及“第一”、“第二”等的描述仅用于描述目的，并非特别指称次序或顺位的意思，亦非用以限定本申请，其仅仅是为了区别以相同技术用语描述的组件或操作而已，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本申请要求的保护范围之内。
实施例一
本实施例提供一种减速裁切控制方法，请参考图1，其为本实施例中减速裁切控制方法的流程图。本实施例的减速裁切控制方法包括：当待裁切产品产品运行到预定的位置，或者是接收到减速信号，待裁切产品按照预设的减速曲线进行减速；当待裁切产品按照预设的减速曲线完成减速，对待裁切产品进行裁切。也即当裁切产品运行到预定的位置及接收到减速信号任一一个条件满足，待裁切产品即会按照预设的减速曲线进行减速，例如，当裁切产品运行到预定的位置但是没有接收到减速信号，待裁切产品会按照预设的减速曲线进行减速，或者，当接收到减速信号但是还没有接收到待裁切产品运行到预定的位置的信号，待裁切产品同样会按照预设的减速曲线进行减速，采用裁切产品运行预定位置或接收减速信号作为待裁切产品进行减速的控制信号，也就是只要接收到待裁切品运行到预定的位置的信号或接收到减速信号中的任何一种控制信号，待裁切产品按照预预设的减速曲线进行减速，两种控制信号结合使用，提高裁切的精度。另外，可以根据实际情况比如待裁切产品的片长及待裁切产品的切位的位置、待裁切产品运行的速度、裁切件可以正常动作的运行范围等因素柔性预设减速曲线。
其中，当待裁切产品运行到预定的位置，待裁切产品按照预设的减速曲线进行减速包括：先获取待裁切产品待运行的剩余距离，当待裁切产品待运行的 剩余距离与减速曲线相对应的减速距离相匹配，待裁切产品按照预设的减速曲线进行减速。待裁切产品待运行的剩余距离可以采用如下方式获得，待裁切产品通常可以卷绕在辊上，在辊上安装检测元件，当辊输送待裁切产品时，检测元件如编码器可以检测辊转动的角度，并输出对应脉冲，也即检测元件输出测量输出值，根据检测元件测量输出值计算出待裁切产品已运行的距离，由于待裁切产品总片长已知，根据待裁切产品总片长及待裁切产品已运行的距离即可获取待裁切产品待运行的剩余距离。
为了便于进行减速曲线的规划，采用匀减速运行方式预设减速曲线。具体的，先根据实际情况比如待裁切产品的片长及待裁切产品的切位的位置、待裁切产品运行的速度、裁切件可以正常动作的运行范围等计算出合理的最优的减速曲线，根据计算的合理的最优的减速曲线来预设减速曲线，预设的减速曲线满足匀减速运动，如此，可以使得裁切控制简单易行，且根据预设的匀减速的减速曲线，可以方便计算与减速曲线相对应的减速距离，以便更加方便的判断待裁切产品待运行的剩余距离与减速曲线相对应的减速距离相匹配。
请参考图2，其为本实施例中减速曲线示意图。为了防止实际减速可能滞后，会对裁切精度产生影响，本实施例的减速裁切控制方法还包括预设滞后系数b，减速曲线相对应的减速距离根据公式S×b＝(V 2 2-V 1 2)b/2a获得，其中，V 2为减速前速度，V 1为减速后速度，a为减速度，S为减速距离理论值，滞后系数b满足1<b<1.5。如图2中所示，V为待裁切产品运行速度，t为待裁切产品运行时间，OA段为待裁切产品运行的初期阶段，AB为待裁切产品运行的中期阶段，BC段为预设的减速曲线，EF为待裁切产品实际减速曲线，当待裁切产品完成AB段的运行，待裁切产品运行到预定的位置或接收到减速信号，待裁切产品按照预设的减速曲线运行，由于预设的减速曲线与实际减速曲线存在滞后，在进行减速曲线的预设时，充分考虑滞后带来的影响，因而预设滞后系数b，防止减速滞后对裁切精度产生影响。其中，减速距离及滞后系数b均可通过人机接口进行设置。
本实施例的减速裁切控制方法还包括计算补偿距离，以使裁切件根据计算 的补偿距离向待裁切产品的切位运动，对待裁切产品的切位进行精确裁切。具体的，当待裁切产品按照预设的减速曲线完成减速后，先计算出裁切件需要运动的补偿距离，然后裁切件根据补偿距离向待裁切产品的切位运动，裁切件对待裁切产品的切位进行裁切。其中补偿距离根据检测元件测量输出值计算的待裁切产品已运行的距离计算。由于裁切件可以运行的运行范围都是固定的，当待裁切产品的切位超出裁切件可以运行的运行范围，裁切件不能完成对待裁切产品的切位的裁切。而本实施例中，通过事先考虑影响裁切精度的因素，提前预设减速曲线，使得待裁切产品按照减速曲线进行减速，避免出线待裁切产品的切位超出裁切件可以运行的运行范围，实现对待裁切产品的切位进行准确裁切，达到精确裁切的目的。
综上，本实施例的减速裁切控制方法中，采用裁切产品运行预定位置或接收减速信号作为待裁切产品进行减速的控制信号，也就是只要接收到待裁切品运行到预定的位置的信号或接收到减速信号中的任何一种控制信号，待裁切产品按照预预设的减速曲线进行减速。并且，根据实际情况比如待裁切产品的片长及待裁切产品的切位的位置、待裁切产品运行的速度、裁切件可以正常动作的运行范围等事先预设减速曲线，使得预设的减速曲线可以柔性规划，待裁切产品根据预设的减速曲线进行减速，可以根据实际情况得到更加优化的减速曲线，以保证待裁切产品根据减速曲线进行减速，缩短减速的时间，提高减速效率。本实施例中还根据实际情况利用待裁切产品减速前的速度及减速后的速度，采用匀减速的运行方式预设减速曲线，使得裁切控制简单易行。通过滞后系数与减速距离理论值确定减速距离，完成减速后，根据检测元件测量输出值计算的待裁切产品已运行的距离计算裁切件需要运行的补偿距离，达到精确裁切的目的。
实施例二
本实施例提供一种减速裁切控制装置，包括输送件、检测元件、感测器、控制器和裁切件。其中输送件用来输送待裁切的产品，输送件包括主驱电机、 卷绕电机和多个辊。检测元件用来检测输送件的运行状态，检测元件包括编码器，编码器安装在其中一个辊上，编码器测量辊运转的角度或圈数，根据测量的角度或圈数输出脉冲信号。感测器用来感测待裁切产品，并发射减速信号，感测器可以为减速光电，当感测器感测到待裁切产品进入感测范围，发射减速信号。
控制器根据输送件的运行状态判断待裁切产品是否运行到预定的位置或接收减速信号，当待裁切产品运行到预定的位置或接收到减速信号，控制输送件按照预设的减速曲线进行减速。控制器判断待裁切产品是否运行到预定的位置时，控制器先获取待裁切产品待运行的剩余距离，当待裁切产品待运行的剩余距离与减速曲线相对应的减速距离相匹配，待裁切产品按照预设的减速曲线进行减速。其中，可以根据检测元件测量输出值计算待裁切产品已运行的距离，根据待裁切产品总片长及待裁切产品已运行的距离获取待裁切产品待运行的剩余距离。例如当控制器接收到编码器发送的脉冲信号，根据脉冲信号判断待裁切产品是否运行到预定的位置时，具体的，控制器可以根据脉冲信号计算出待裁切产品已运行的距离，以及根据待裁切产品总片长及待裁切产品已运行的距离计算获取待裁切产品待运行的剩余距离，当待裁切产品待运行的剩余距离与减速曲线相对应的减速距离相匹配，待裁切产品按照预设的减速曲线进行减速。本例中，预设的减速曲线按照匀减速的运行方式设置。为了避免运行滞后带来的影响，控制器中还通过人机接口设置有滞后系数，也即控制器中预先存储有滞后系数，减速曲线相对应的减速距离根据公式S×b＝(V 2 2-V 1 2)b/2a获得，其中，V 2为减速前速度，V 1为减速后速度，a为减速度，S为减速距离理论值，b满足1<b<1.5。
裁切件，用于对待裁切产品进行裁切。裁切件可以为切刀。本例中的减速裁切控制装置还包括补偿驱动件，补偿驱动件包括补偿电机及切刀气缸。当待裁切产品按照预设的减速曲线完成减速后，控制器还计算出裁切件需要运动的补偿距离，并控制补偿驱动件根据补偿距离驱动裁切件向待裁切产品运动，以使裁切件对待裁切产品进行裁切。
上所述仅为本申请的实施方式而已，并不用于限制本申请。对于本领域技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原理的内所作的任何修改、等同替换、改进等，均应包括在本申请的权利要求范围之内。

Claims (10)

  1. 一种减速裁切控制方法，其特征在于，包括：
    当待裁切产品运行到预定的位置或接收到减速信号，待裁切产品按照预设的减速曲线进行减速；
    当待裁切产品按照预设的减速曲线完成减速，对所述待裁切产品进行裁切。
  2. 根据权利要求1所述的减速裁切控制方法，其特征在于，所述当待裁切产品运行到预定的位置，待裁切产品按照预设的减速曲线进行减速包括：获取待裁切产品待运行的剩余距离，当待裁切产品待运行的剩余距离与所述减速曲线相对应的减速距离相匹配，所述待裁切产品按照预设的减速曲线进行减速。
  3. 根据权利要求2所述的减速裁切控制方法，其特征在于，获取待裁切产品待运行的剩余距离包括：根据检测元件测量输出值计算待裁切产品已运行的距离，根据待裁切产品总片长及待裁切产品已运行的距离获取待裁切产品待运行的剩余距离。
  4. 根据权利要求2所述的减速裁切控制方法，其特征在于，还包括根据匀减速运行方式预设减速曲线。
  5. 根据权利要求4所述的减速裁切控制方法，其特征在于，还包括：预设滞后系数b，所述减速曲线相对应的减速距离根据公式S×b＝(V 2 2-V 1 2)b/2a获得，其中，V 2为减速前速度，V 1为减速后速度，a为减速度，S为减速距离理论值。
  6. 根据权利要求5所述的减速裁切控制方法，其特征在于，所述滞后系数b满足1<b<1.5。
  7. 根据权利要求3所述的减速裁切控制方法，其特征在于，还包括：当待裁切产品按照预设的减速曲线完成减速后，计算出裁切件需要运动的补偿距离；所述裁切件根据所述补偿距离向所述待裁切产品的切位运动，裁切件对所 述待裁切产品的切位进行裁切。
  8. 根据权利要求7所述的减速裁切控制方法，其特征在于，所述计算出裁切件需要运动的补偿距离包括：根据检测元件测量输出值计算的待裁切产品已运行的距离计算出裁切件需要运动的补偿距离。
  9. 一种减速裁切控制装置，其特征在于，包括：
    输送件，输送待裁切产品；
    检测元件，检测所述输送件的运行状态；
    感测器，感测所述待裁切产品，并发射减速信号；
    控制器，根据所述输送件的运行状态判断待裁切产品是否运行到预定的位置或接受减速信号，当待裁切产品运行到预定的位置或接收到减速信号，控制输送件按照预设的减速曲线进行减速；以及
    裁切件，用于对所述待裁切产品进行裁切。
  10. 根据权利要求9所述的减速裁切控制装置，其特征在于，还包括补偿驱动件，当待裁切产品按照预设的减速曲线完成减速后，所述控制器还计算出裁切件需要运动的补偿距离，并控制所述补偿驱动件根据所述补偿距离驱动所述裁切件向所述待裁切产品运动，以使所述裁切件对所述待裁切产品进行裁切。
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