CN-122006567-A - Control method and system for gravure ink production line

CN122006567ACN 122006567 ACN122006567 ACN 122006567ACN-122006567-A

Abstract

The application relates to a control method and a control system of an intaglio ink production line, and relates to the field of ink production control, wherein the control method comprises the steps of collecting ink parameters, container geometric parameters, liquid level height values of a conveying device and device parameters; the method comprises the steps of determining a feeding height value according to device parameters, determining pigment reference information according to ink parameters, conveying pigment liquid in a stirring container to a conveying device when the liquid level height value is smaller than the feeding height value, synchronously outputting a feeding command, collecting the liquid level height value, determining a water inlet angle and a water inlet height value based on the liquid level height value and container geometric parameters, controlling the pigment liquid to be injected into the stirring container according to the feeding command and the water inlet angle and the water inlet height value, placing a gravity ball to assist stirring, recovering the gravity ball to sample pigment after stirring is completed to obtain pigment information, determining the feeding information according to the pigment information and the pigment reference information, and feeding the pigment liquid in the stirring container according to the feeding information. The application has the effect of saving energy consumption.

Inventors

ZHU MENGBAI
SHI JIANSHI
LIU XIU
YE YUNQI
HU GUIHONG

Assignees

浙江银鹿化工有限公司

Dates

Publication Date: 20260512
Application Date: 20260115

Claims (10)

1. A control method of an intaglio ink production line, comprising: Collecting ink parameters, container geometric parameters, preset liquid level height values of a conveying device and device parameters of the ink to be processed; determining a feeding height value of the conveying device according to the device parameters, and determining pigment reference information according to the ink parameters; When the liquid level height value is smaller than the feeding height value, pigment liquid in the stirring container is conveyed to a conveying device, a feeding instruction is synchronously output, and the liquid level height value of the stirring container is collected; Determining a water inlet angle and a water inlet height value based on the water level height value and the container geometric parameter; and controlling pigment liquid to be injected into the stirring container at a water inlet angle and a water inlet height value in response to a feeding instruction, placing a preset gravity ball to assist stirring, recovering the gravity ball to sample pigment after stirring is completed to obtain pigment information, determining feeding information according to the pigment information and pigment reference information, and feeding the pigment liquid in the stirring container with the feeding information.
2. A control method of a gravure ink production line according to claim 1, wherein the step of determining the water inlet angle and the water inlet height based on the water level height and the container geometry parameter comprises: determining the viscosity of the pigment liquid and the stirring time based on the ink parameters; Determining a container diameter based on the container geometry; matching stirring force according to the viscosity of the pigment liquid; Calculating a radius of curvature of the liquid surface based on the water level height and the container diameter; Matching a water inlet angle according to the curvature radius and the viscosity of the pigment liquid; And determining the water inlet height according to the stirring time and the stirring force.
3. A control method of a gravure ink production line according to claim 1, characterized by further comprising, after the injection into the agitation vessel: When a vortex is formed in the stirring container, the kinetic energy of the vortex borne by a preset stirring rod is synchronously collected; Determining the starting kinetic energy according to the pigment reference information, and updating the vortex kinetic energy to determine the stirring power until the vortex kinetic energy is smaller than the starting kinetic energy; and responding to the feeding command, controlling a preset stirring rod to stir at stirring power, and ending stirring when the vortex kinetic energy is equal to the starting kinetic energy or zero.
4. A control method of a gravure ink production line according to claim 3, wherein the step of collecting the swirl kinetic energy of a preset stirring rod comprises: collecting the real-time vortex flow velocity and shear stress of the vortex center; outputting an unlocking instruction when the shearing stress is not zero; Responding to an unlocking instruction, and controlling a preset stirring rod to perform kinetic energy conversion and collection; Determining the rotation radius and rotation angular velocity of the vortex based on the vortex flow velocity and a preset stirring radius; Determining an energy loss value of the vortex according to the shear stress and the rotational angular velocity of the vortex; calculating to obtain a vortex kinetic energy initial value according to the rotation radius and the energy loss value of the vortex; And determining the vortex kinetic energy according to the initial value of the vortex kinetic energy and the stirring power.
5. A control method for a gravure ink production line according to claim 1, wherein the method for recovering the gravity ball for pigment sampling comprises: Collecting liquid level fluctuation value of pigment liquid, gravity ball position and pressure parameters of the bottom of a container; Determining the relative distance between the gravity ball and the container outlet and the recovery path according to the gravity ball position and the container geometric parameters; Matching a fluctuation threshold according to the water level height and the pressure parameter; controlling a preset recovery device to recover the gravity ball along a recovery path until the fluctuation value of the liquid level is smaller than a fluctuation threshold value, and transferring the gravity ball to a preset sampling area to sample pigment on the surface; After the sampling is completed, the device is reset to a preset storage position in the stirring container, and the gravity ball recovery and pigment sampling are completed.
6. A control method of a gravure ink production line according to claim 1, characterized by further comprising: Collecting the adhesion condition and the liquid level fluctuation value of the inner side wall of the stirring container; Matching an attachment threshold according to the container geometry parameters; Determining an adhesion layer thickness and a vibration frequency based on the adhesion condition and the container geometry parameters; Determining a region with the thickness of the adhesive layer larger than the adhesion threshold value according to the geometric parameters of the container, and defining the region as an excessive thickness region; determining a desired number of pellets based on the over-thick region; Determining a window time point for selecting the lowest point of the liquid level to drop according to the water level height and the liquid level fluctuation value; Responding to the cleaning instruction, controlling a preset cleaning device to vibrate the outer side wall of the stirring container at vibration frequency, and throwing gravity balls according to the number of the balls and the window time point to clean the attached pigment.
7. The control method of a gravure ink production line according to claim 6, wherein the method for collecting adhesion conditions comprises: Collecting track sound waves of falling of a gravity ball; Extracting a fluctuation image according to the track sound wave to identify a fluctuation point; Determining a fluctuation thickness according to the fluctuation point; determining an attachment position according to the fluctuation image and the container geometric parameters; The adhesion condition is determined based on the adhesion position and the thickness of the fluctuation.
8. A control method of a gravure ink production line according to claim 6, wherein cleaning the attached pigment further comprises: collecting the natural frequency of a gravity ball during rolling and the cushioning parameters of a preset cleaning device; Determining a stubborn threshold based on the attachment condition and the container geometry; determining a region with the thickness of the adhesion layer larger than a stubborn threshold according to the geometric parameters and the cushioning parameters of the container, and defining the region as a stubborn region; Determining a frequency coefficient according to the vibration frequency and the natural frequency; Determining resonance time based on the frequency coefficient and the refractory area, and updating a window time point with the resonance time; Responding to the cleaning instruction, adjusting the vibration frequency in real time according to the frequency coefficient to control the cleaning device to vibrate the outer side wall of the stirring container, and throwing the gravity balls according to the number of the balls and the window time point to finish cleaning.
9. A method of controlling a gravure ink production line according to claim 8, wherein the step of dispensing gravity balls further comprises: Determining the passing resistance value of a gravity ball in the track according to the track sound wave; matching a safety threshold according to the number of the small balls; When the passing resistance value exceeds a safety threshold value, stopping single-ball continuous emission, and switching to multi-ball synchronous emission; determining the track cross-section size according to the container geometric parameters; Calculating the number of synchronous launching balls according to the section size and the attachment condition of the track; And controlling the gravity balls to synchronously release the number of the synchronously launched balls, and completing the cleaning.
10. A control system for an intaglio ink production line, comprising: The acquisition module is used for acquiring the ink parameters, the container geometric parameters, the liquid level height value and the device parameter water level height value; A memory for storing a program for implementing the control method of the gravure ink production line of any one of claims 1 to 9; And the processor loads and executes the programs in the memory.

Description

Control method and system for gravure ink production line Technical Field The invention relates to the field of ink production control, in particular to a control method and a control system of an intaglio ink production line. Background The gravure ink production line refers to a special equipment system for producing gravure ink, and the core aim is to manufacture ink products meeting the requirements of the gravure printing process. In the current industry, single-device independent start-stop or local linkage mode is adopted for scheduling of gravure ink production line devices, basic control is realized through a system of the devices, and single-device energy-saving technologies such as variable frequency speed regulation and waste heat recovery are matched. According to the scheme, energy conservation is realized mainly through linkage start-stop of multiple systems in the equipment, when ink is exhausted, the equipment is required to be stopped for re-mixing the colors and filling due to wall built-up residues in the filling container, and the energy consumption is high due to frequent start-stop of conveying equipment. Disclosure of Invention In order to save energy consumption, the invention provides a control method and a control system for an intaglio ink production line. In a first aspect, the present invention provides a control method for an intaglio ink production line, which adopts the following technical scheme: a control method of an intaglio ink production line, comprising: Collecting ink parameters, container geometric parameters, preset liquid level height values of a conveying device and device parameters of the ink to be processed; determining a feeding height value of the conveying device according to the device parameters, and determining pigment reference information according to the ink parameters; When the liquid level height value is smaller than the feeding height value, pigment liquid in the stirring container is conveyed to a conveying device, a feeding instruction is synchronously output, and the liquid level height value of the stirring container is collected; Determining a water inlet angle and a water inlet height value based on the water level height value and the container geometric parameter; and controlling pigment liquid to be injected into the stirring container at a water inlet angle and a water inlet height value in response to a feeding instruction, placing a preset gravity ball to assist stirring, recovering the gravity ball to sample pigment after stirring is completed to obtain pigment information, determining feeding information according to the pigment information and pigment reference information, and feeding the pigment liquid in the stirring container with the feeding information. Through adopting above-mentioned technical scheme, gather printing ink parameter and container geometric parameters after, calculate feed height and pigment benchmark voluntarily, the liquid level is less than the threshold value and triggers the feed promptly and calculate feed angle and height in step, cooperates gravity ball to assist in order to realize electroless stirring, practices thrift the energy consumption, retrieves the spheroid later and samples and compares and obtain feed information to confirm the feed fast in order to promote batching efficiency. Optionally, the step of determining the water inlet angle and the water inlet height based on the water level height and the container geometry comprises: determining the viscosity of the pigment liquid and the stirring time based on the ink parameters; Determining a container diameter based on the container geometry; matching stirring force according to the viscosity of the pigment liquid; Calculating a radius of curvature of the liquid surface based on the water level height and the container diameter; Matching a water inlet angle according to the curvature radius and the viscosity of the pigment liquid; And determining the water inlet height according to the stirring time and the stirring force. By adopting the technical scheme, the water inlet angle is matched with the liquid level curvature radius according to the ink viscosity, and the water inlet height is determined by combining the stirring time and the force, so that the pigment liquid is tangentially injected along the wall surface, a vortex is formed, splashing and bubbles are reduced, the mixing uniformity is improved, and the stirring period is shortened. Optionally, after injecting into the stirring vessel, the method further comprises: When a vortex is formed in the stirring container, the kinetic energy of the vortex borne by a preset stirring rod is synchronously collected; Determining the starting kinetic energy according to the pigment reference information, and updating the vortex kinetic energy to determine the stirring power until the vortex kinetic energy is smaller than the starting kinetic energy; and responding to the feeding command, contro