阅读说明：本技术 一种丝网印刷直接制版系统及制版方法 (Direct plate making system and plate making method for screen printing ) 是由 丁军岗 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种丝网印刷直接制版系统及制版方法,包括喷涂装置、系统主机、运动捕捉系统、聚焦单元和图像处理单元,其中所述系统主机的前端电性连接有喷涂装置,且所述喷涂装置上电性连接有烘干机构,其中所述系统主机的内侧串联设置有运动捕捉系统、聚焦单元和图像处理单元；本发明提出的丝网印刷直接制版系统在使用时,通过将刮涂放置更改为喷涂装置进行均匀喷涂处理,极大的增加了装置的工作效率,同时利用设计安装在喷涂装置端部的烘干机构,实现了对喷涂部分的快速烘干处理,且通过烘干部分的连带使用,避免了加湿油墨的快速烘干处理,且避免了油墨粘稠不便喷涂的情况。(The invention discloses a screen printing direct plate-making system and a plate-making method, which comprise a spraying device, a system host, a motion capture system, a focusing unit and an image processing unit, wherein the front end of the system host is electrically connected with the spraying device, the spraying device is electrically connected with a drying mechanism, and the motion capture system, the focusing unit and the image processing unit are arranged on the inner side of the system host in series; when the screen printing direct plate-making system provided by the invention is used, blade coating placement is changed into the way that the spraying device carries out uniform spraying treatment, so that the working efficiency of the device is greatly increased, meanwhile, the drying mechanism designed and installed at the end part of the spraying device is utilized to realize the rapid drying treatment of the spraying part, and the rapid drying treatment of humidifying ink is avoided through the joint use of the drying part, and the condition that the ink is sticky and inconvenient to spray is avoided.)

1. A screen printing direct plate-making system is characterized in that: the system comprises a spraying device, a system host, a motion capture system, a focusing unit and an image processing unit, wherein the front end of the system host is electrically connected with the spraying device, the spraying device is electrically connected with a drying mechanism, and the motion capture system, the focusing unit and the image processing unit are arranged on the inner side of the system host in series.

2. The screen printing direct-to-plate system according to claim 1, wherein: the central processor of the system host is one of a personal computer, a server or an industrial personal computer.

3. The screen printing direct-to-plate system according to claim 1, wherein: the image processing unit comprises a storage unit, a threshold unit, a visual unit and a processing unit, the visual unit carries out identification simulation on the layout and correspondingly converts the layout into an identification simulation model, then the processing unit carries out reconstruction on the identification simulation model to obtain an image, the threshold unit calculates the gray value of neighborhood pixels and compares the gray value with the gray value to obtain boundary points, and the boundary points are spliced to form a boundary line model which is an edge graph model and directly output through the output unit.

4. The screen printing direct-to-plate system according to claim 3, wherein: the storage unit set in the image processing unit comprises a prediction numerical model, wherein the generation of the prediction numerical model is a reference basis when edge lines are distinguished or automatically supplemented, and the supplement boundary points take edge part values and numerical values in a threshold range as prediction numerical values.

5. The screen printing direct-to-plate system according to claim 3, wherein: and the processing unit is used for processing the reconstructed identification simulation model through morphology and correspondingly reducing the variograms of the edge part.

6. The screen printing direct-to-plate system according to claim 1, wherein: the focusing unit comprises a motor, a high-speed micro-motion component, a distance sensor and a control unit, wherein the motor, the high-speed micro-motion component, the distance sensor and the control unit are electrically connected with each other, and the control unit is electrically connected with the system host.

7. The screen printing direct-to-plate system according to claim 1, wherein: the motion capture system comprises a stepping device, a scanning device and a platform driving device, wherein the stepping device, the scanning device and the platform driving device are electrically connected, and the motion capture system is electrically connected with the system host.

8. The screen printing direct-to-plate system according to claim 1, wherein: and the drying mechanism electrically connected with the spraying device is electrically connected with the system host through a cable.

9. A direct plate making method for silk-screen printing is characterized in that: the direct plate making method for the silk screen printing mainly comprises the following steps: the printing ink is placed on the inner side of a spraying device and evenly sprayed to two sides of a silk screen frame, the sprayed silk screen frame is subjected to primary drying bottom placing treatment through a drying mechanism arranged in the spraying device, the dried silk screen frame is subjected to secondary spraying treatment through the spraying device, the edge position of a set layout is captured through a motion capture system on a system host, the edge part is identified and optimized through an image processing unit, the edge of the set layout is detected through a focusing unit, when the focusing unit transmits a detection value of the detection layout to the image processing unit, the detection value is compared with a preset value, and when the detection value reaches a threshold determination identification standard, the printing preparation of a printing unit is directly carried out in the same ratio.

10. The direct-to-plate method for screen printing according to claim 9, wherein: and when the detection value does not reach the threshold fixed identification standard, performing secondary identification optimization through the image processing unit, exiting the wire mesh frame and pre-storing identification contents through the host when the secondary identification optimization does not reach the threshold fixed identification standard, comparing and storing the identification model, and meanwhile placing the identification model in the image processing unit for comparing the edge identification model error area standard under the same comparison model.

Technical Field

The invention belongs to the technical field of screen printing, and particularly relates to a screen printing direct plate making system and a plate making method.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process.

The existing screen printing direct plate-making system is mainly characterized in that the front end of the system is mostly processed by blade coating in printing ink, the blade coating mode is low in blade coating speed and uneven blade coating can be frequently generated, great trouble is caused to a user, meanwhile, when a general screen printing device identifies and formulates a layout, the condition that an edge layout is fuzzy can be frequently generated, and therefore the screen printing direct plate-making system and the plate-making method are provided.

Disclosure of Invention

The invention aims to provide a screen printing direct plate-making system and a screen printing direct plate-making method, which aim to solve the problems that the flow process operation efficiency is low when the screen printing direct plate-making system provided by the background technology is used, and the edge of the system is fuzzy when the system is used for printing a layout.

In order to achieve the purpose, the invention adopts the following technical scheme: a screen printing direct plate-making system comprises a spraying device, a system host, a motion capture system, a focusing unit and an image processing unit, wherein the front end of the system host is electrically connected with the spraying device, the spraying device is electrically connected with a drying mechanism, the motion capture system, the focusing unit and the image processing unit are arranged on the inner side of the system host in series, a central processor of the system host is one of a personal computer, a server or an industrial personal computer, the image processing unit comprises a storage unit, a threshold unit, a visual unit and a processing unit, the visual unit carries out identification simulation on a layout and correspondingly converts the layout into an identification simulation model, the processing unit reconstructs an image of the identification simulation model, calculates the gray value of neighborhood pixels through the threshold unit and compares the gray value to obtain boundary points, by splicing each boundary point, the formed edge line model is an edge graph model which is directly output by an output unit, a storage unit set in the image processing unit comprises a prediction numerical model, wherein the generation of the prediction numerical model is a reference basis when distinguishing or automatically supplementing edge lines, wherein the supplementary boundary points take the values of the edge parts and the values in the threshold range as the predicted values, and when the screen printing direct plate-making system provided by the invention is used, the blade coating placement is changed into a spraying device for uniform spraying treatment, so that the working efficiency of the device is greatly improved, meanwhile, the drying mechanism arranged at the end part of the spraying device is designed to realize the rapid drying treatment of the spraying part, and through the associated use of the drying part, the rapid drying treatment of the humidifying ink is avoided, and the condition that the ink is sticky and inconvenient to spray is avoided.

Furthermore, the reconstructed identification simulation model is processed in the processing unit through morphology, the miscellaneous graphs of the edge part are correspondingly reduced, the focusing unit comprises a motor, a high-speed micro-motion component, a distance sensor and a control unit, the motor, the high-speed micro-motion component, the distance sensor and the control unit are electrically connected with each other, the control unit is electrically connected with the system host, and the situation that the edge of the layout is fuzzy in the spraying and printing process is avoided by designing an image processing unit installed on the system host.

Further, the motion capture system comprises a stepping device, a scanning device and a platform driving device, wherein the stepping device, the scanning device and the platform driving device are electrically connected, the motion capture system is electrically connected with the system host, and the drying mechanism electrically connected with the spraying device is electrically connected with the system host through a cable.

Compared with the prior art, the invention has the beneficial effects that:

1. when the screen printing direct plate-making system provided by the invention is used, blade coating placement is changed into the way that the spraying device carries out uniform spraying treatment, so that the working efficiency of the device is greatly increased, meanwhile, the drying mechanism designed and installed at the end part of the spraying device is utilized to realize the rapid drying treatment of the spraying part, and the rapid drying treatment of humidifying ink is avoided through the joint use of the drying part, and the condition that the ink is sticky and inconvenient to spray is avoided.

2. The image processing unit arranged on the system host is designed, so that the situation that the edge of a layout is fuzzy in the spraying and printing process is avoided, the functionality of the device is greatly increased, meanwhile, the storage unit arranged on the image processing unit is designed, the comparison speed of the image processing unit is reduced, and the detection efficiency of the device is increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall flow structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1, the invention provides a technical scheme: including spraying device, system's host computer, motion capture system, focus unit and image processing unit, wherein the front end electric connection of system's host computer has spraying device, just electric connection has drying mechanism on the spraying device, wherein the inboard series connection of system's host computer is provided with motion capture system, focus unit and image processing unit, the central treater of system's host computer is one of personal computer, server or industrial computer.

In this embodiment, the image processing unit further includes a storage unit, a threshold unit, a visual unit, and a processing unit, where the visual unit performs identification simulation on the layout, and correspondingly converts the layout into an identification simulation model, the processing unit reconstructs an image of the identification simulation model, the threshold unit calculates a gray value of a neighborhood pixel, and compares the gray values to obtain boundary points, and by splicing the boundary points, a boundary line model formed is an edge graph model and is directly output through the output unit, the storage unit set in the image processing unit includes a prediction numerical model, where generation of the prediction numerical model is a reference basis for distinguishing or automatically supplementing edge lines, and where the supplement boundary points use edge point values and values within a threshold range as prediction numerical values.

In this embodiment, the processing unit is further configured to morphologically process the reconstructed mark simulation model and correspondingly reduce the ragged patterns of the edge portion, the focusing unit includes a motor, a high-speed micro-motion component, a distance sensor and a control unit, wherein the motor, the high-speed micro-motion component, the distance sensor and the control unit are electrically connected to each other, the control unit is electrically connected to the system host, the motion capture system includes a stepping device, a scanning device and a platform driving device, wherein the stepping device, the scanning device and the platform driving device are electrically connected to each other, the motion capture system is electrically connected to the system host, the drying mechanism electrically connected to the spraying device is electrically connected to the system host through a cable, the system host controls the focusing unit to stop working and controls the stepping shaft to move to the position of the upper plate, and finishing the plate making process.

The working principle and the using process of the invention are as follows: the direct plate making method for the silk screen printing mainly comprises the following steps: the ink was placed inside the spray device, with the ink dilution ratio described in this example being 4: 1, wherein the dry solvent in the diluent: 5% of ethyl acetate, 55% of toluene and 40% of isopropanol, uniformly spraying the ethyl acetate, the toluene and the isopropanol on two sides of the silk screen frame, performing primary drying bottoming treatment on the sprayed silk screen frame through a built-in drying mechanism of a spraying device, wherein the drying temperature is 175 ℃, the drying time is 1-1.5min, performing secondary spraying treatment on the dried silk screen frame through the spraying device, capturing the edge position of a set layout through a motion capture system on a system host, performing identification optimization on the edge part through an image processing unit, detecting the edge of the set layout through a focusing unit, transmitting a detection value of the detection layout to the image processing unit through the focusing unit, comparing the detection value with a preset value, directly performing printing preparation on a printing unit according to the same ratio after the detection value reaches a threshold identification standard, and when the detection value does not reach the threshold identification standard, and performing secondary recognition optimization through the image processing unit, exiting the wire mesh frame and pre-storing the recognition content through the host when the secondary recognition optimization does not reach a threshold-determined recognition standard, comparing and storing the recognition model, and meanwhile placing the recognition model in the image processing unit for comparing the edge recognition model error zone standard under the same comparison model.

Example two

The working principle and the using process of the invention are as follows: the direct plate making method for the silk screen printing mainly comprises the following steps: the ink was placed inside the spray device, with the ink dilution ratio described in this example being 3: 1, wherein the thinner comprises 20% of ethyl acetate, 40% of toluene and 40% of isopropanol, the thinner is uniformly sprayed to two sides of a silk screen frame, the silk screen frame after being sprayed is subjected to primary drying and bottoming treatment through a drying mechanism arranged in a spraying device, the drying temperature is 175 ℃, the drying time is 30-75s, the dried silk screen frame is subjected to secondary spraying treatment through the spraying device, the edge position of a set layout is captured through a motion capture system on a system host, the edge part is identified and optimized through an image processing unit, the edge of the set layout is detected through a focusing unit, when the focusing unit transmits a detection value of the detection layout to the image processing unit, the detection value is compared with a preset value, when the detection value reaches a threshold identification standard, the printing preparation of a printing unit is directly carried out in the same ratio, and when the detection value does not reach the threshold fixed identification standard, performing secondary identification optimization through the image processing unit, exiting the wire mesh frame and pre-storing identification contents through the host when the secondary identification optimization does not reach the threshold fixed identification standard, comparing and storing the identification model, and meanwhile placing the identification model in the image processing unit for comparing the edge identification model error area standard under the same comparison model.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.