Unlock instant, AI-driven research and patent intelligence for your innovation.

Sheet-fed offset rotary printing press with convertible press mechanism

A technology of printing mechanism and printing machine, which is applied to the general parts of printing machinery, printing machines, printing, etc., and can solve problems such as complex structures

Inactive Publication Date: 2009-06-24
KOMORI CORP
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This complicates the structure

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Sheet-fed offset rotary printing press with convertible press mechanism
  • Sheet-fed offset rotary printing press with convertible press mechanism
  • Sheet-fed offset rotary printing press with convertible press mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] will refer to Figures 1 to 5 A sheet-fed offset printing press with a reversible printing mechanism according to one embodiment of the present invention is described.

[0015] Such as figure 1 As shown in , the four-color printing machine 1 with a reversible printing mechanism according to this embodiment includes a supply device 2 for supplying paper, printing by printing units 3a to 3d of the first to fourth color printers, respectively A device 3, and a delivery device 4 for delivering printed products conveyed from the printing device 3. The printing units 3a to 3d respectively include plate cylinders 5a to 5d, blanket cylinders 6a to 6d whose outer surfaces are in contact with the plate cylinders 5a to 5d, and blanket cylinders whose outer surfaces are in contact with those blanket cylinders 6a to 6d. printing cylinders 7a to 7d. A transfer cylinder 8 is interposed between the impression cylinders 7a and 7b, and a transfer cylinder 9 is interposed between the i...

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

PUM

No PUM Login to View More

Abstract

A single-fed web offset printing machine with a reversible printing mechanism, including a clamping cylinder, a reversing cylinder, a gripper, and air nozzles and blowing outlets. The pinch rollers convey the sheet by holding the leading edge of the sheet. The reversing roller is arranged downstream of the pinch roller in the conveying direction of the sheet material, and holds the trailing edge of the sheet material conveyed by the pinch roller. When the sheet is to be transferred from the pinch roller to the turning roller, the gripper causes the turning roller to hold the sheet in an turned condition. The tuyeres and blowing ports are located at different heights on the outer sides of both ends in the width direction of the sheet, and blow air toward the center of the width direction of the sheet reversed by the gripper, so that the sheet is free from clamping. Roller separation.

Description

technical field [0001] The present invention relates to a sheet-fed offset web printing press with a convertible press mechanism, wherein when a sheet is to be gripping-changed from an upstream transfer cylinder to a downstream transfer cylinder in the direction of sheet material transfer , the reversible printing mechanism reverses the sheet material to perform duplex printing. Background technique [0002] In a sheet-fed offset printing press with a reversible printing mechanism of this type, when the gripper of the upstream transfer cylinder is opposite the downstream transfer cylinder, in the case where the leading edge is gripped by the gripper of the upstream transfer cylinder , the sheet material conveyed in the sheet material conveying direction is not changed by gripping and passes through the downstream conveying roller. After that, when the trailing edge of the sheet material is opposite to the downstream conveying roller, it is grasped by the gripper of the down...

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

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B41F21/10B65H15/00B65H5/06B65H5/22
Inventor 井上清一郎丸山茂
Owner KOMORI CORP