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Press-polishing belt weld seam detection method and detection device

A welding seam detection and light-banding technology, which is applied in the fields of optical device exploration, printing, printing presses, etc., can solve the problems of difficult to achieve continuous production, low efficiency, cumbersome methods, etc., and achieve low cost, simple equipment, and improved print quality. Effect

Active Publication Date: 2017-01-18
SHANGHAI ZIDAN FOOD PACKAGING & PRINTING CO LTD +1
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Problems solved by technology

The existing technology usually uses a manual method to observe the weld seam and manually adjust the calendering process, but this method is cumbersome and inefficient, and it is difficult to achieve continuous production

Method used

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  • Press-polishing belt weld seam detection method and detection device

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Embodiment Construction

[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0028] Such as figure 1 As shown, the present embodiment provides a calendering belt weld detection device, which is arranged above the front and rear rubber rollers of the calender, and includes a first photoelectric switch 1, a second photoelectric switch 2, a programmable logic controller (PLC) ) 3. The actuator encoder 4 and the paper feeder control frequency converter 5, the first photoelectric switch 1 and the second photoelectric switch 2 are respectively located directly above the two rubber rollers, and the programmable logic controller 3 is respectively connected to the firs...

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Abstract

The invention relates to a press-polishing belt weld seam detection method and detection device; the method comprises the following steps: 1, obtaining a first weld seam optoelectronic signal when a press-polishing belt weld seam is detected for the first time; 2, starting to receive a pulse signal from an actuating mechanism encoder while obtaining the first weld seam optoelectronic signal; 3, obtaining a second weld seam optoelectronic signal when a press-polishing belt weld seam is detected for the second time; 4, recording a pulse number of presently received actuating mechanism encoder pulse signals while obtaining the second weld seam optoelectronic signal; 5, calculating a paper feeder control frequency converter control signal according to the received pulse signal number, and simultaneously continuously receiving actuating mechanism encoder pulse signals; 6, stopping the paper feeder control frequency converter according to the control signal. Compared with the prior art, the novel method is high in detection precision, thus effectively improving printing quality.

Description

technical field [0001] The invention relates to the technical field of calendering treatment, in particular to a method and a detection device for a calendered belt weld seam detection method. Background technique [0002] The calendering process refers to the process of drying the glossy printed matter, then pressing it with the hot roller of the calender and cooling the finished product. It is a deep processing technology of glazing, which can make the transparent coating coated by glazing more compact, smooth, and ideal mirror film effect with high gloss and brightness, and can improve the sense of grade and market competitiveness of printed products. The calender is a continuous rolling method, and the calender belt is a stainless steel endless steel belt. In this way, the steel strip has a weld to exist, and the printed product after the weld becomes a waste product. In the prior art, the welding seam is observed manually and the calendering process is adjusted manual...

Claims

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Application Information

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IPC IPC(8): B41F23/08G01V8/10
Inventor 熊家军付忠良李新明
Owner SHANGHAI ZIDAN FOOD PACKAGING & PRINTING CO LTD
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