SU110885A1 - Single turn flat printing machine - Google Patents

Description

A single turn printer is known, consisting of continuously rotating, automatic printing of the 1st cylinder, reciprocating moving taler, having slow motion during a working stroke and accelerated free running, II driven to the thaler and cylinder.

The proposed machine, in comparison with the known, is more simple.

The machine has that particular feature. that a gear is installed on the main shaft of the machine; Both sectors interact alternately with a gear that transmits the motion of a thaler through a gearing system.

To reverse the thaler movement on the main shaft, there are two twin knuckles, which interact with the rollers and the idler carrying the rack rail, and drive the Thaler through the gearing system.

FIG. 1 shows a diagram of the drive to the talera and the cylinder of a single-turn flat-bed printing machine; in fig. 2-side view of the drive.

The drive includes an electric motor i /, pulley 2, gear from the drive shaft, coupled with an external gear rim of the spinner 4 mounted on the main shaft L, gear 6, drive gear 7, gear pinned during rotation of the thaler in the extreme positions x with a gear rack 9, mixed with a slider 10, and two coupled fists // i Г2.

Gear 4, in addition to the outer ring gear, has two toothed sectors. One of these sectors of smaller diameter has an external hooked teeth. and the other larger diameter is the internal engagement tooth; sectors alternately interlock with gear 6..

Movement to the printing cylinder is transmitted through gears 13, 14, 15.

During the working stroke of the thaler, the gear 6 is driven by a sector with external teeth; thaler speed at that iosto nia.

Failure to bring the thaler to the extreme position, gear 6 is disengaged from the sector having the external engagement teeth; at this moment, the rail 9, which is connected through the crawler at 10 and the rollers of c. ia and // and 12, is actuated.

The fists // and 12 are shaped in such a way that, acting through gears 7 and 5 on the thaler, they first slow down its speed to zero, and then accelerate to idle speed.

When this speed is reached, the thaler begins to move evenly, as n-6 at this moment engages with a sector that has an internal gear tooth. After the gear 6 is disengaged from this sector, the process of slowing down the idling speed with the help of fists // and 12 occurs.

If we take one cycle of the machine for 100%, then at a ratio of the working speed of the thaler to the speed of its idling, equal to 1.9, 65% of the cycle is calculated for the working stroke and 35% of the cycle for idling.

With increasing productivity Magagin print quality is not reduced.

Subject invention

Claims (2)

1. One turn of the printing press, consisting of an extremely vortex printing cylinder, a reciprocating moving taler, which has a slow motion during the working stroke and accelerated at the single stroke, and drive to the thaler and the cylinder, so that, in order to simplify the design On the main shaft of the stanna of the gear gear, it is supplied in a uniform rotation from the electric motor and having, in addition to the outer gear, two toothed sectors, one of which, non-external, has a smaller gear. diameter, and the second, bearing the teeth of the internal mesh. - the larger one, the two sectors interact alternately with the gear that transmits the thalera through a gear system. 2. A single-turn section machine of printing machine according to item i, is about the fact that in order to reverse the movement of the taler on the main shaft, two paired knuckles are installed, interacting with the rollers of the crawler. a gear rail driving the thaler through a gear system.