Stamped envelope sealer

Abstract

The invention discloses a stamped envelope sealer which comprises an upper press roll sleeved on an upper shaft (3), a lower press roller sleeved on a lower shaft (4) and a mounting base (7), wherein the lower shaft (4) and a lower shaft seat (6) are fixed; the lower shaft seat (6) is fixed on an enclosure; the upper shaft (3) and an upper shaft seat (5) are fixed; the mounting base (7) is provided with a sliding chute (7.1); two sides of the mounting base (7) are provided with two baffles (7.2); the upper shaft seat (5) is in sliding match with the interior of the sliding chute (7.1) of the mounting base (7); two baffles (7.2) of the mounting base (7) are respectively provided with a first bolt (8) screwed into the lower shaft seat (6); each first bolt (8) is sleeved with a second press spring (11); and two ends of the second press spring (11) respectively prop against the top of each first bolt (8) and the baffles (7.2). The stamped envelope sealer has the advantages of large depressing power, even pressure and capability of regulating the original width between the upper press roll and the lower press roll.

Description

technical field [0001] The invention relates to the field of postal machinery, in particular to a postal letter machine. Background technique [0002] The postal slip machine is a device that folds and compresses the postal slip paper so that the invisible part of the postal slip paper is pressed tightly and sealed. There are upper pressure roller and lower pressure roller in the shell of the mail machine, the lower pressure roller fits on the lower shaft, the upper pressure roller fits on the upper shaft, the lower shaft is fixed on the lower shaft seat, and the upper shaft is fixed on the upper shaft seat The upper and lower shaft seats are fixed to the casing, the rear end of the upper shaft seat is fixed to the casing, the front end of the upper shaft seat is provided with a through hole, the corresponding position of the lower shaft seat and the through hole is provided with a threaded hole, and the screw passes through the passage of the upper shaft seat The hole is s...

AI Technical Summary

Problems solved by technology

[0004] There are the following defects in the above-mentioned postal machine of the prior art: firstly, because the upper pressure roller presses down against the elastic force of the compression spring at the front end of the upper shaft seat, the pressure is insufficient, and the force is not balanced, so The effect of pressing down on postal slips is not ideal; secondly, the original width of the gap between the upper pressing roller and the lower pressing roller is fixed and cannot be adjusted, so it is only suitable for pressing folded postal slips of one thickness Paper, if the thickness of the folded postal slip paper is different, if it is folded once more, its thickness will be much greater than the original thickness of the gap between the upper and lower pressing rollers, and it will not be able to squeeze into the gap between the upper and lower pressing rollers. In the gap, but unable to compress the slip paper

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