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PET Preform Automatic Inspection Machine , SGS Automated Inspection Systems
1. Equipment overview
Bottle mouth inspection machines are widely used in PET beverages,
condiments and other industries. After the bottle is blown, the PET
bottle mouth in the bottle blowing machine is subjected to online,
non-contact detection, and the defective products are automatically
and sorted out. The equipment is mainly composed of a detection
device and a power distribution cabinet. The detection device is
equipped with a CCD camera and an LED light source; the power
distribution cabinet is equipped with an image processor, PLC,
strobe controller, power supply, industrial computer and touch
screen.
The PET bottle passes the positioning sensor, detects the arrival
of the PET bottle, and records the bottle identification number and
the current encoder signal through the control unit. The
positioning sensor informs the camera to collect the current PET
bottle image. After the photo is taken, the image processor
processes the image. The image processor transmits the processing
results to the man-machine interface for dynamic display on the one
hand; on the other hand to the control unit, Prepare to reject
unqualified bottles. After the control unit receives the
unqualified signal, it notifies the rejector to reject the bottle
with the corresponding identification number.
2. Test content
Bottle mouth defect detection unit, including defect detection
functions such as internal defect, external defect, point defect,
penetration, ovality and so on. The following figure shows the
imaging effect picture and inspection picture when combined with
the front ring light. It can be seen that the front and side
defects can be clearly obtained from the picture, and the
full-scale inspection function can be completed after
complementation. Defect standard: internal and external gap, dot
gap width 0.90mm, depth 0.25mm, ovality 0.50mm.
Figure 4 Schematic diagram of bottle mouth defect 1
3. Equipment advantages
Figure 5 Schematic diagram of bottle mouth defect 2
This machine is composed of various inspection units, man-machine interface, rejection unit and other main parts. It is suitable for the detection of bottle mouth defects in PET bottle production lines with large production capacity.
The detection unit adopts imported CCD camera, imported fixed-focus
lens, and LED high-brightness cold light source to obtain clear and
high-resolution original images.
The electric control system adopts imported programmable
controller, program memory, photoelectric switch, induction switch
and other elements, plus reasonable program control and man-machine
interface, forming an advanced automatic control system. The
control system adopts PCC control mode to ensure stable tracking
and elimination of defective products while matching the high-speed
image processing speed.
The compact inspection cabinet minimizes the equipment footprint. And the power distribution cabinet is equipped with industrial air conditioners with built-in positive pressure protection. The detection operation status and fault conditions are all displayed on the man-machine interface.
Graphical operation interface, full Chinese, menu operation, more
suitable for Chinese users.
Patented image processing algorithm to obtain higher detection
accuracy while ensuring the most reliable detection accuracy rate.
The image processing system hardware adopts the industry's advanced
imported components, and the software cooperates with the image
processing algorithm to meet high-speed, high-precision, and
high-reliability inspection tasks.
The system is a modular design, with abundant interfaces and space,
making the equipment greatly expandable. Built-in various bottle
programs for customers, and quick software bottle change can be
realized with just one click.
The door of the power distribution cabinet is equipped with a
sealing tape and a positive pressure protection device. The
equipment is equipped with multi-layer alarm indicators, which can
indicate different faults (faults that must be reset, faults that
are automatically reset, operation instructions, etc.). Imported
PCC, touch screen, industrial computer, etc., with reasonable
program design and fault prompt function.
4. Detection function
The defect detection of PET preform mouth, including the defect
detection function of bottle mouth, such as internal defect,
external defect, dot defect, penetration, ovality, etc.
5. Applicable products
PET preform mouth.