Printed matter examination apparatus

A technology for inspecting devices and printed matter, which is applied to printing, printing machines, general parts of printing machinery, etc., and can solve problems such as vibration, increased cost of inspection devices, and inability to suppress paper vibration
CN101346233AInactive Publication Date: 2009-01-14DAC ENG
1 Cites 9 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DAC ENG
Publication Date
2009-01-14
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention aims to provide a printed matter checking device for preventing the single sheet from jiggling while photographing for checking the printed matter. In the device of the invention, a photographing unit is equipped for photographing the checked surface of the printed matter, a first blowing unit 4 for blowing air from the upper front direction of the conveying and a second blowing unit 5 for blowing air from the upper rear direction of the conveying are disposed on the photographed position, and an air absorbing unit 6 is disposed upon the checking position between the two blowing units for absorbing at least the air from the first unit 4 and the second unit 5.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to a printed matter inspection device that captures an image of a printed matter printed on a single sheet by an imaging unit, and performs the printed matter inspection on-line. Background technique

[0002] Conventionally, images of printed matter printed in the final device of single-sheet printing have been taken, and it has been judged whether or not it has been printed normally without smudging or lack. In order to judge whether it is good or bad, the image of the printed matter is taken when the printed matter is conveyed to the impression cylinder of the final printing device, or when the printed matter is conveyed from the impression cylinder of the final printing device to the chain conveying equipped between the discharge parts Shoot while on the road.

[0003] As mentioned above, in the case of inspection based on the image of the printed matter to be inspected, the image of the printed matter must be correctl...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More