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CN-122009643-A - Automatic feeding control system and control method for labeling machine

CN122009643ACN 122009643 ACN122009643 ACN 122009643ACN-122009643-A

Abstract

The application relates to an automatic feeding control system and a control method of a labeling machine, which upgrade the traditional labeling machine into intelligent equipment with autonomous sensing, precise control and data tracing functions by adding an intelligent control system and a dynamic self-adaptive PID algorithm. The hardware adopts a modularized architecture of PLC+vision+servo, layered design and algorithm integration are realized on software, and a real-time data interaction network is constructed through PROFINET and the industrial Internet. Practical application shows that the system can obviously improve labeling precision and efficiency, reduce labor cost and defective rate, and provide a feasible scheme for intelligent upgrading of manufacturing industry.

Inventors

  • DAI LINGQI
  • FENG JULING

Assignees

  • 台州奇优家居用品有限公司

Dates

Publication Date
20260512
Application Date
20260324

Claims (10)

  1. 1. The utility model provides a labeller automatic feeding control system, includes supporting platform (1), pastes mark host computer (10), conveyer (11), roll extrusion structure (3) and stop device (12), its characterized in that still includes: a main controller; The visual positioning unit is arranged above the output end of the labeling host machine (10) and is used for acquiring a material image and calculating the position and the diameter of the material; the sensing detection unit comprises an encoder arranged on the conveying device (11) and a pressure sensor embedded in the rolling structure (3); an execution driving unit comprising a servo adjusting mechanism for driving the rolling structure (3) to adjust the distance, and The edge computing unit is in communication connection with the main controller and the visual positioning unit and is configured to execute a visual image processing algorithm and a dynamic self-adaptive PID control algorithm, and the dynamic self-adaptive PID control algorithm is used for adjusting pressure control parameters of the pressure sensor in real time according to the diameter of the material acquired by the visual positioning unit.
  2. 2. The automatic labeler feeding control system according to claim 1, wherein the main controller is a programmable logic controller PLC which communicates with the execution driving unit via a PROFINET bus and communicates with the visual positioning unit and the edge calculating unit via an ethernet.
  3. 3. The automatic feeding control system of a labelling machine according to claim 1, wherein the servo-regulating mechanism comprises a servo-motor and a planetary gear reducer, the servo-motor being connected to a control threaded rod (43) of the rolling structure (3) for electrically regulating the spacing between the roller structure (32) and the pressing structure (33) in the rolling structure (3).
  4. 4. The automated labeling machine feed control system of claim 1, wherein the dynamic adaptive PID control algorithm is configured to calculate the proportional coefficient Kp, the integral coefficient Ki, and the derivative coefficient Kd by interpolation based on a preset fuzzy subset to which the material diameter belongs.
  5. 5. The automated labeler feed control system of claim 1 further comprising a human-machine interaction unit for recipe management, parameter setting, and alarm display, and a communication module supporting data interaction with a manufacturing execution system MES or cloud platform.
  6. 6. The automated labeling machine feeding control system according to claim 5, wherein the communication module adopts a layered communication architecture, and comprises a PROFINET IRT protocol for real-time equipment control, a Modbus TCP/IP protocol for monitoring data interaction, and an MQTT protocol for cloud data uploading.
  7. 7. The automatic labelling machine feeding control system according to claim 1, wherein the limiting device (12) is an electric cylinder driven telescopic limiting member.
  8. 8. The automatic feeding control system of a labelling machine according to claim 1, wherein the pressure sensor is embedded inside a pressing plate (333) of the pressing structure (33).
  9. 9. The automatic labelling machine feeding control system according to any of claims 1-8, further comprising a database module for storing production data, process parameters and alarm records.
  10. 10. An automatic feeding control method of a labeling machine, which is applied to the automatic feeding control system of the labeling machine according to any one of claims 1-9, and is characterized by comprising the following steps: s1, initializing a system, and loading process parameters corresponding to the selected material model; s2, conveying and visually positioning materials, conveying the materials through the conveying device (11), and triggering the visual positioning unit to acquire the diameter and position deviation of the materials; s3, pre-adjusting dynamic parameters, determining initial pressure control parameters through the dynamic self-adaptive PID algorithm according to the diameter of the material, and controlling the servo adjusting mechanism to adjust the initial spacing of the rolling structure (3); S4, labeling execution and synchronization control, controlling the labeling host (10) to perform speed synchronization with the conveying device (11), and controlling the limiting device (12) to act so as to finish labeling; s5, rolling pressure closed-loop control, wherein materials enter the rolling structure (3), and extrusion force is regulated in real time through the dynamic self-adaptive PID algorithm according to feedback of the pressure sensor; And S6, data acquisition and tracing, namely acquiring key data in the production process, analyzing the key data, and uploading the data to a cloud platform for quality evaluation and process optimization.

Description

Automatic feeding control system and control method for labeling machine Technical Field The application relates to the technical field of labeling automation, in particular to an automatic feeding control system and method of a labeling machine. Background The traditional labeler has the following limitations in practical application: the control precision is low, the rolling distance and the pressure are manually adjusted, the pressure fluctuation is more than +/-3N, the label wrinkling rate is high (not lower than 3 percent), and the labeling position deviation of the cylindrical material is also higher; the production exchange efficiency is low, mechanical accessories are required to be manually replaced for different batches of materials, the production exchange time is as long as 30 minutes, and the production exchange time cannot meet the requirements of small-batch multi-variety production; The data tracing is missing, namely the real-time sensing and data storage mechanism is lacking, the quality problem cannot be traced back, and the process parameter optimization depends on experience; the intelligent degree is low, the intelligent maintenance function is not provided, and the equipment failure downtime is 8 hours/month on average; the traditional equipment is difficult to meet the modern labeling requirements of high precision, high flexibility and intelligence, and the upgrading is realized through hardware modularization, algorithm self-adaption and data interconnection. Disclosure of Invention Aiming at the defects of the prior art, the application aims to provide an automatic feeding control system and a control method of a labeling machine. The utility model provides a labeller automatic feeding control system, includes supporting platform 1, pastes mark host computer 10, conveyer 11, roll extrusion structure 3 and stop device 12, still includes: a main controller; the visual positioning unit is arranged above the output end of the labeling host 10 and is used for acquiring a material image and calculating the position and diameter of the material; a sensing and detecting unit comprising an encoder arranged on the conveying device 11 and a pressure sensor embedded in the rolling structure 3; An execution driving unit comprising a servo adjusting mechanism for driving the rolling structure 3 to adjust the distance, and The edge computing unit is in communication connection with the main controller and the visual positioning unit and is configured to execute a visual image processing algorithm and a dynamic self-adaptive PID control algorithm, and the dynamic self-adaptive PID control algorithm is used for adjusting pressure control parameters of the pressure sensor in real time according to the diameter of the material acquired by the visual positioning unit. Preferably, the main controller is a programmable logic controller PLC, which communicates with the execution driving unit through a PROFINET bus, and communicates with the visual positioning unit and the edge calculating unit through an ethernet. Preferably, the servo-regulator comprises a servo-motor and a planetary gear reducer, the servo-motor being connected to a control threaded rod 43 of the roll-structure 3 for electrically regulating the spacing between the cylinder structure 32 and the extrusion structure 33 in the roll-structure 3. Preferably, the dynamic adaptive PID control algorithm is configured to calculate the proportional coefficient Kp, the integral coefficient Ki and the differential coefficient Kd by interpolation according to a preset fuzzy subset to which the material diameter belongs. Preferably, the system further comprises a man-machine interaction unit and a communication module, wherein the man-machine interaction unit is used for recipe management, parameter setting and alarm display, and the communication module supports data interaction with a Manufacturing Execution System (MES) or a cloud platform. Preferably, the communication module adopts a layered communication architecture, and comprises a PROFINET IRT protocol for real-time equipment control, a Modbus TCP/IP protocol for monitoring data interaction and an MQTT protocol for cloud data uploading. Preferably, the limiting device 12 is a telescopic limiting member driven by an electric cylinder. Preferably, the pressure sensor is embedded inside the pressing plate 333 of the pressing structure 33. Preferably, the system further comprises a database module for storing production data, process parameters and alarm records. The automatic feeding control method of the labeling machine is applied to the automatic feeding control system of the labeling machine, and comprises the following steps: s1, initializing a system, and loading process parameters corresponding to the selected material model; S2, conveying and visually positioning materials, conveying the materials through the conveying device 11, and triggering the visual positioning unit to acquire th