CN-118991252-B - Etching ink-jet printing method, device, equipment and medium based on same grating

CN118991252BCN 118991252 BCN118991252 BCN 118991252BCN-118991252-B

Abstract

The invention discloses an etching ink-jet printing method, device, equipment and medium based on the same grating, and relates to the technical field of ink-jet printing. The method comprises the steps of obtaining laser pulse signals corresponding to each etching position according to an image to be printed and etching parameters, obtaining ink-jet pulse signals corresponding to each printing position according to the image to be printed and the printing parameters, obtaining actual positions of a laser nozzle and the ink-jet nozzle according to grating coding values of the printing trolley, controlling the laser nozzle to conduct laser etching according to the actual positions of the laser nozzle and the laser pulse signals to obtain an etching image, and controlling the ink-jet nozzle to conduct ink-jet printing on the etching image according to the actual positions of the ink-jet nozzle and the ink-jet pulse signals to obtain a target image.

Inventors

LI HAIPING
CHEN YAN

Assignees

东莞市图创智能制造有限公司

Dates

Publication Date: 20260508
Application Date: 20230518

Claims (8)

1. An etching inkjet printing method based on the same raster, which is used for an inkjet printer, wherein the inkjet printer comprises an inkjet nozzle and a laser nozzle which are arranged on a printing trolley, and the inkjet printer is used for multipass printing, and the method comprises the following steps: Acquiring laser pulse signals corresponding to each etching position according to the image to be printed and the etching parameters; acquiring an inkjet pulse signal corresponding to each printing position according to the image to be printed and the printing parameters; acquiring actual positions of a laser nozzle and the inkjet nozzle according to the grating coding value of the printing trolley; controlling the laser nozzle to perform laser etching according to the actual position of the laser nozzle and the laser pulse signal to obtain an etching image; Controlling the inkjet nozzle to perform inkjet printing on the etched image according to the actual position of the inkjet nozzle and the inkjet pulse signal to obtain a target image; The printing parameters comprise the number of printing PASS and the ink-jet stepping distance, and the target etching depth refers to the etching depth which is expected to be realized in the actual etching process, namely the depth of the laser nozzle for carrying out one-time etching on a printing medium; The step of acquiring the laser pulse signals corresponding to each etching position according to the image to be printed and the etching parameters comprises the following steps: according to the image to be printed and the etching parameters, etching data corresponding to each pixel of the image to be printed is obtained, wherein the etching data comprises laser emission frequency and laser power; acquiring a corresponding laser pulse signal according to each etching data; Establishing a mapping relation between each laser pulse signal and each etching position in the printing area; The step of acquiring etching data corresponding to each pixel of the image to be printed according to the image to be printed and the etching parameters comprises the following steps: performing binarization processing on the image to be printed to obtain a binarized image; performing smoothing treatment on the binarized image according to a preset smoothing treatment method to obtain a target etching image; Rasterizing the target etching image to obtain etching image data; And acquiring etching data corresponding to each pixel according to the etching parameters and the etching image data.
2. The etching inkjet printing method according to claim 1, wherein the laser nozzle and the inkjet nozzle are disposed on the same print carriage, the laser nozzle is located in front of the inkjet nozzle in a stepping direction, and a distance between the laser nozzle and the inkjet nozzle is a first preset distance, and the step of obtaining actual positions of the laser nozzle and the inkjet nozzle according to a grating code value of the print carriage comprises: acquiring an inkjet stepping distance according to the image to be printed and the printing parameters; acquiring an etching stepping distance according to the image to be printed and the etching parameter; comparing the etching step distance with the ink jet step distance to obtain a comparison result; Acquiring an actual stepping distance according to the comparison result; and acquiring the actual positions of the laser nozzle and the inkjet nozzle according to the actual stepping distance, the grating coding value and the first preset distance.
3. The same grating-based etching inkjet printing method according to claim 1, wherein the print carriage includes a laser carriage and an inkjet carriage, the inkjet head is disposed on the inkjet carriage, the laser head is disposed on the laser carriage, and the step of acquiring actual positions of the laser head and the inkjet head according to a grating code value of the print carriage includes: acquiring an inkjet stepping distance according to the image to be printed and the printing parameters; acquiring an etching stepping distance according to the image to be printed and the etching parameter; Acquiring the actual position of a laser nozzle according to the grating coding value of the laser trolley and the etching stepping distance; And acquiring the actual position of the inkjet nozzle according to the grating code value of the inkjet trolley and the inkjet stepping distance.
4. The same grating-based etching inkjet printing method according to claim 1, wherein the step of controlling the laser nozzle to perform laser etching according to the actual position of the laser nozzle and the laser pulse signal to obtain an etched image includes: Acquiring a corresponding laser pulse signal according to the actual position of the laser nozzle and the mapping relation; and controlling a laser nozzle to perform laser etching according to the laser pulse signal so as to obtain an etching image.
5. The same grating-based etching inkjet printing method according to claim 3 wherein the distance between the laser carriage and the inkjet carriage in the step direction is equal to or greater than a second predetermined distance.
6. An etching inkjet printing device based on the same raster, characterized in that it is used in an inkjet printer, the inkjet printer includes an inkjet nozzle and a laser nozzle disposed on a print carriage, the inkjet printer is used for multiple pass printing, the device includes: The first pulse signal acquisition module is used for acquiring laser pulse signals corresponding to each etching position according to an image to be printed and etching parameters, and particularly used for acquiring etching data corresponding to each pixel of the image to be printed according to the image to be printed and the etching parameters, wherein the etching data comprises laser emission frequency and laser power, the etching parameters comprise preset etching depth and target etching depth, the target etching depth refers to etching depth which is expected to be realized in an actual etching process, and the preset etching depth is the depth of one etching of a laser nozzle in a printing medium; the second pulse signal acquisition module is used for acquiring an inkjet pulse signal corresponding to each printing position according to the image to be printed and the printing parameters; The actual position acquisition module is used for acquiring the actual positions of the laser spray head and the ink jet spray head according to the grating coding value of the printing trolley; The laser etching module is used for controlling the laser nozzle to carry out laser etching according to the actual position of the laser nozzle and the laser pulse signal so as to obtain an etching image; The ink jet printing module is used for controlling the ink jet nozzle to perform ink jet printing on the etched image according to the actual position of the ink jet nozzle and the ink jet pulse signal to obtain a target image; Wherein the printing parameters include print PASS number and inkjet step distance.
7. A printing device comprising at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of any of claims 1-5.
8. A storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1-5.

Description

Etching ink-jet printing method, device, equipment and medium based on same grating Technical Field The invention relates to the technical field of ink-jet printing, in particular to an etching ink-jet printing method, device, equipment and medium based on the same grating. Background In the existing inkjet printing technology, different colors of ink are generally sprayed onto a printing object through a nozzle to form patterns and characters. Along with the change of the living demands of people, the ink-jet printing technology is applied to various materials for ink-jet printing to obtain products with preset patterns and characters. Laser etching is a technique for etching a material surface by using a high energy density laser beam. This technique typically uses a laser beam to irradiate the surface of the material so that it is heated and evaporated or oxidized. Laser etching is widely used in the fields of manufacturing, electronics, aerospace, semiconductor, medicine, etc. It can be used to make fine structures such as circuit boards, microchips, and micromechanical systems. The laser etching can realize high-precision and high-definition pattern manufacture, the multi-PASS ink-jet printing can print higher-resolution patterns, the combination of the laser etching and the multi-PASS ink-jet printing can manufacture finer and clearer patterns, the product is more attractive and high-grade, the multi-PASS ink-jet printing can print more full and rich colors, and the combination of the laser etching can enable lines of the patterns to be clearer, so that the product has better printing effect. In the prior art, laser etching has positioned the etching medium and etched in accurate locations in a number of ways. One common way is to locate by machine vision. Specifically, a camera or a scanner is used for collecting images of a medium to be etched, and the form and position information of the surface of the medium to be etched is obtained through analysis of an image processing algorithm, so that laser is controlled to etch at a required position. In another way, a sensor is used to monitor the medium to be etched in real time, for example, a laser ranging sensor is used to measure, the measured distance is calculated, the laser is controlled to etch at a required position, and if the positioning technology of laser etching is combined into the inkjet printing device, the complexity and cost of the device are increased. Disclosure of Invention The invention provides an etching ink-jet printing method, device and equipment based on the same grating and a storage medium, which are used for solving the technical problem of high complexity of ink-jet printing and laser etching positioning modes in the prior art. In a first aspect, the present invention provides an etching inkjet printing method based on the same raster, which is characterized in that the method is used for an inkjet printer, the inkjet printer comprises an inkjet nozzle and a laser nozzle which are arranged on a print trolley, and the method comprises: Acquiring laser pulse signals corresponding to each etching position according to the image to be printed and the etching parameters; acquiring an inkjet pulse signal corresponding to each printing position according to the image to be printed and the printing parameters; acquiring actual positions of a laser nozzle and the inkjet nozzle according to the grating coding value of the printing trolley; controlling the laser nozzle to perform laser etching according to the actual position of the laser nozzle and the laser pulse signal to obtain an etching image; Controlling the inkjet nozzle to perform inkjet printing on the etched image according to the actual position of the inkjet nozzle and the inkjet pulse signal to obtain a target image; the etching parameters comprise preset etching depth and target etching depth, and the printing parameters comprise printing PASS number and inkjet stepping distance. Preferably, the step of acquiring the laser pulse signal corresponding to each etching position according to the image to be printed and the etching parameters includes: according to the image to be printed and the etching parameters, etching data corresponding to each pixel of the image to be printed is obtained, wherein the etching data comprises laser emission frequency and laser power; acquiring a corresponding laser pulse signal according to each etching data; And establishing a mapping relation between each laser pulse signal and each etching position in the printing area. The step of obtaining etching data corresponding to each pixel of the image to be printed according to the image to be printed and the etching parameters comprises the following steps: performing binarization processing on the image to be printed to obtain a binarized image; performing smoothing treatment on the binarized image according to a preset smoothing treatment method to obtain a target etching image; Rasterizi