These automatic labeling machines can not be adjusted

Labeling machine is an indispensable part of modern packaging. At present, the types of labeling machines in China are gradually increasing, and the technical level has also been greatly improved. The automatic labeling machine is an important equipment in the packaging industry. The main job is to automatically attach the label to the object to be attached by the labeling device.

When the equipment starts to run, the labeling product of the automatic labeling machine is fed to the labeling machine at a constant speed on the conveyor belt. The machine is equipped with fixing devices to separate the products at a fixed distance before pushing the direction of the product conveyor belt. .

The author understands that the mechanical system of the automatic labeling machine includes a driving wheel, a labeling wheel and a reel. The drive wheel intermittently drags the label belt and the label tape is pulled out of the spool while passing the labeling wheel, which presses the label tape against the box. The open-loop displacement control is applied to the reel to maintain the tension of the label strip, because the labels are tightly connected to each other on the label strip, so that the label strip is constantly stopped and stopped.

Because the label is attached to the product when the labeling wheel is moving at the same speed as the product, when the belt reaches a specific position, the driving wheel of the label belt will accelerate to match the speed of the conveyor belt. Will slow down to stop.

Since the label tape may slip, there is a registration indication on it to ensure that each label is correctly placed. The registration mark is obtained by a sensor. During the deceleration phase of the label, the drive wheel will be repositioned to correct any position on the label.

At present, the automatic labeling machine is widely used in the pharmaceutical industry, but over time, related problems will be exposed. In order to help the labeling machine operator to operate more effectively, some manufacturers have summarized the adjustment matters that should be paid attention to during the use of the automatic labeling machine.

Adjustment of the brush device. The center of the brush is aligned with the label and the two sides are symmetrical. The brush is perpendicular to the surface of the container. The overlapping gap between the brush and the container is 10mm~15mm for a single brush and 5mm~10mm for a combined brush. The position of the cleaning brush from the sponge is 1 mm to 2 mm. For the adjustment of the bottle head, the manufacturer stated that the bottle head should be 20 mm lower than the bottle when there is no bottle.

In the adjustment of the label box, it is necessary to pay attention to the center line of the label box. The center axis of the label station is tangent to the label paper, and the center axis of the label board is lined at three points. The tangent distance between the label board and the label paper is adjusted, and the label box is moved closer to 1 mm. ~2mm can be.

The adjustment of the position of the labeling hook of the standard box: the upper and lower and the left and right grasping hooks are on the same vertical plane and can evenly grab the standard paper evenly. Adjustment of the label supply roller: When there is no label, the label holder can be pressed to the foremost end of the cassette and when the label is attached, the label near the label hook cannot be crushed.

When adjusting the inlet and outlet star wheels and the feeding screw, the bottle head of the labeling machine shall prevail. First adjust the bottle into the star wheel, when the bottle head just overwhelm the bottle, then adjust the bottle into the star wheel, so that the bottle is in the middle of the star wheel groove.

Adjustment of the inlet screw: According to the inlet star wheel, when the bottle is in the middle of the groove of the inlet star wheel, adjust the auger so that the auger is pressed against the bottle side without displacement. Adjustment of the bottle star wheel: When the bottle head has just been lifted, adjust the star wheel so that the bottle is in the middle of the groove of the star wheel.

Adjustment of the squeegee and the rubber roller: The squeegee and the rubber roller should not have a gap over the entire length. If there is a gap, the squeegee can be adjusted by adjusting the eccentric bolt. Adjustment of the rubber roller and the target plate: the target plate and the rubber roller only contact each other without any pressure. If the gap is too large, the glue on the label will be too much, causing the glue. The gap is too small, the contact is too tight, the glue will be squeezed away, and there is no glue on the half of the target. Practice has proved that the gap between the target plate and the rubber roller is better between 0.1mm and 0.2mm. This can be achieved by adjusting the bearing housing in the lower part of the rubber roller and adjusting the bearing on the upper part of the rubber roller if necessary.

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