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◆ Layout for Hot Melt Labeling Machine
◆ Method of Operation
The containers are picked up by the infeed starwheel and transferred to the container table. The container rotation begins when they are positioned between container plates and centering bells.
The speed of the feed roller is adjusted to the required label length for continuous web tension. A standard threading unit ensures optimal film feed. In the cutting unit, the labels are precisely cut while a PLC command and servo-motor provide an exact cut-off point.
Two narrow strips of hot melt glue the labels together, which are applied by a heated glue roller to the leading and trailing label edges. The label with the glue strip on its leading edge is transferred to the container. This glue strip ensures an exact label positioning and a positive bond. As the container is rotated during label transfer, labels are applied tightly. Gluing of the trailing edge ensures proper bonding.
Process: Infeed bottle → pre-position →label cutting → gluing → labeling → label by press out → finish
◆ Machine Part
◆ Equipment constitutes
◆ Mainframe
Schneider servo system
Schneider servo drive system
Germany Siemens Touch-screen
Japan Panasonic Digital Color Mark Sensor
Japan Panasonic Detection Sensor for coating adhesive
Japan Panasonic Photoelectric Sensor
Japan Panasonic Photoelectric Sensor
◆ Mechanical Parts
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Transportation institution |
750W, inverter speed control |
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Conveyor |
industrial nylon chain plate conveyor |
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Mainframe transportation institution |
2.2Kw |
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Sub bottle institution |
industrial worm sub bottle institution |
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Into bottle institution |
with worm sub bottle institution and starwheel position feeding institution to ensure the accuracy and stability of loading |
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Position institution |
Mechanical pre-location , using the camwheel institution to planish the bottle for label positioning |
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Labeling institution |
Containers are pick up by rotary wheel ,labeling during the rotation. |
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Supply label institution |
high speed servo opp label supply system (drive by servo-motor) |
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Pressing label institution |
Arc brush unit |
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Guided bottle institution |
adjust by double coordinate section guide rail |
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Glue supply system |
hot melt glue supply system(German Siemens control system) ensures the accuracy and uniformity of gluing |
◆ Safety part of the machine
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Safety protection |
In order to keep the operator safety ,when the machine is running please close the protective doors |
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Lack of label alarm |
Set an alarm to remind the operator to change the label when the label will be use out |
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Lack of bottle alarm |
When lack of the bottle the machine will stop and make an alarm .The machine will restart automatically as soon as the bottles have been put that will facilitate on-line production |
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Leak of labeling alarm |
To control the quality of labeling |
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Pressure testing |
When the pressure can not meet the equipment requirement ,the machine will stop to against bad products produce |
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Vacuum testing |
When the vacuum can not meet the equipment requirement ,the machine will stop to against bad products produce |
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Temperature testing |
When the temperature can not meet the equipment requirement , the machine will stop to against bad products produce |
◆ Technical Parameters
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Name |
6 heads hot melt glue labeling machine |
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Power supply |
Three-phase 380V 60 Hz 5W |
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Machine dimensions: |
2150mm×1700mmX 2010mm（can be adjusted） |
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Method of speed adjustment: |
uninterrupted - adjust rate |
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Labeling precision: |
±1mm |
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Labeling speed |
6500bph |
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Maximum label width： |
200mm(standard width, can be adjusted ) |
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Maximum outer diameter of label |
600mm |
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Paper core Hot melt |
152 mm |
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Labeling glue: |
glue at both ends of each label with hot melt |
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Gluing temperature: |
120~160℃ |
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Labeling type for products: |
suitable for round or square containers made of plastic, metal, glass |
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Type of label: |
bopp 、paper-plastic composite film 、paper label |
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Labeling stations： |
customizable |
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Machine weight: |
about 2000 kg |
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