Marking line for screw cap of square star glass bottle The labeling process of is usually involved in a series of automated or semi-automatic steps, aiming to efficiently and accurately attach labels to the screw caps of glass bottles or other designated positions.
1、 Preparatory work
Label preparation: use the materials suitable for labeling the screw cap of glass bottles (such as heat shrinkable film, pearlescent film, PVC or composite film) to make labels. These labels may be pre printed with the required information and graphics.
Equipment commissioning: adjust according to the size, shape and screw cap position of the glass bottle Labeling machine Parameters such as label conveying speed, labeling position, pressure, etc. to ensure that labels can be accurately and firmly attached.
2、 Labeling process
Conveyor belt transmission: glass bottles are sent to the labeling machine through the conveyor belt. In the process of conveying, glass bottles may pass through the spacing device to ensure that the spacing between them is consistent and facilitate subsequent labeling operations.
Positioning and identification: use photoelectric sensors or mechanical devices to locate and identify the glass bottles to ensure that the labels can be accurately attached to the screw caps or other designated positions.
Labeling:
Vertical labeling machine : For the vertical labeling machine, the self-adhesive label reel is driven by the drive wheel and pulled out from the reel at a uniform speed. When the glass bottle passes through the label stripping area, one side of the label is stripped from the backing paper and attached to the screw cap as the glass bottle rotates or moves forward.
Horizontal labeling machine : The horizontal labeling machine may rotate the glass bottle to a specific position through a rotary table or conveyor belt, and then use the label pasting device to attach the label to the screw cap.
Pressing and curing: Some labeling machines may be equipped with a pressing device (such as sponge roller or labeling belt) to further press the label after it is affixed to ensure its firmness. For labels using glue, it may be necessary to solidify the glue by heating or other means to enhance the adhesion between the label and the glass bottle.
3、 Subsequent processing
Quality inspection: After the labeling is completed, the quality inspection shall be carried out on the glass bottle to ensure that the label is correctly attached, without wrinkles, bubbles and other defects.
Collection and packaging: Qualified glass bottles are collected for subsequent packaging and transportation.
4、 Precautions
During the labeling process, ensure that the surface of the glass bottle is clean and free of oil stain, so as not to affect the adhesion of the label.
Regularly check whether various parts of the labeling machine are worn or loose, and timely maintain and replace them to ensure the normal operation of the equipment and labeling quality.
Select appropriate labeling methods and parameters according to the labels of different materials and the characteristics of glass bottles.
Please note that the specific labeling process may vary depending on the labeling machine model, glass bottle size and shape, label material and other factors. In actual operation, it should be adjusted and optimized according to the specific situation.
