Package printing device with printing roller alternating function

By designing a packaging printing device with alternating printing rollers, the problem of easy damage to the printing rollers during high strength is solved, which extends the service life and improves production efficiency. At the same time, the ink flowability is maintained through viscosity detection and feeding components, and the printing quality is ensured.

CN119682382AActive Publication Date: 2025-03-25TAIZHOU HAIDA PLASTIC & RUBBER PACKAGE CO LTD
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Patent Information

Application Number
CN202510206684.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-03-25
Estimated Expiration
2045-02-25

AI Technical Summary

Technical Problem

In existing packaging bag printing equipment, printing rollers are prone to damage when used at high strength, resulting in impact on printing progress, reduced production efficiency, and ink viscosity problems leading to a decrease in printing quality.

Method used

A packaging printing device with the function of alternating printing rollers is designed. The first printing roller and the second printing roller are driven to rotate through the rotating frame on the front side, and the roller position exchange is realized, the frequency of use of a single printing roller is reduced, and the viscosity detection mechanism and feeding assembly are equipped to maintain the ink flowability by detecting the ink viscosity and adding solvent.

Benefits of technology

It extends the service life of the printing roller, improves production efficiency, prevents printing quality problems caused by ink viscousness, and ensures the continuity and stability of the printing process.

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Abstract

The invention relates to the technical field of printing equipment, in particular to a package printing device with a printing roller alternating function. Comprising a fixing frame, an electric impression cylinder is arranged on the fixing frame, electric sliding rails which are symmetrically distributed are arranged on the fixing frame, electric sliding blocks on the electric sliding rails which are symmetrically distributed on the fixing frame are jointly and fixedly connected with an ink storage frame, and the ink storage frame is fixedly connected with ink boxes which are evenly distributed. The inner side of the fixing frame is rotationally connected with symmetrically-distributed rotating frames, and a first printing roller and a second printing roller are rotationally connected between the symmetrically-distributed rotating frames. After the first printing roller is used for a period of time, the rotating frame on the front side drives the first printing roller and the second printing roller to rotate, the positions of the first printing roller and the second printing roller are exchanged, the use frequency of a single printing roller is reduced, the service life of the printing rollers is prolonged, and meanwhile when the first printing roller is suddenly damaged, the first printing roller cannot be damaged. The second printing roller is used for continuous printing, and production efficiency is improved.
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