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Non-contact detection

Ultrasonic Joint and Insect Detection Systems

Systems: Ultrasonic joint detection · Insect detection

Two non-contact detection methods for the pouch production line: ultrasound identifies film splices, while optical imaging checks for insect foreign matter.

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Two detection methods
01
Ultrasonic joint detectionNon-contact monitoring of single-layer film thickness changes.
02
Insect detectionOptical imaging of individually presented, flat pouches.

Standard switching signal to the selected sorting system

Detection methodsUltrasonic + optical
Ultrasonic trigger thresholdOver 0.003 mm*
Signal outputStandard switching value

Installation layout

Where the systems
fit into the line.

This client-supplied diagram identifies the insect detection unit, ultrasonic joint detection unit and control system in a typical pouch production line.

Installation diagram showing insect detection, ultrasonic joint detection and control system positions on a pouch production line
Typical detection-system installation layoutOpen the diagram to view it at full size. Final mounting positions depend on the production line.
01 / FILM PATHSingle-layer, flat filmFor ultrasonic joint detection, keep the film taut and centered through the sensing area.
02 / POUCH PATHFlat, non-overlapping pouchesFor optical inspection, avoid folding, overlap and unstable pouch movement.
03 / STABLE SIGNALClean, low-vibration positionKeep sensing surfaces clean and avoid vibration or strong direct light near the detection window.

Our detection technology

Two systems.
Two distinct inspection tasks.

Select the detection method for your material. Expand the product overview or installation checklist below for the full requirements.

CUCKOO Ultrasonic Joint Detection System, original product photograph from the supplied document

01 / Film splice detection

Ultrasonic Joint Detection System

Identify film splices without contacting the film. The probe monitors thickness changes and sends a switching signal to the connected sorter.

Before installationSingle-layer film only. The supplied specification excludes multi-layer laminated film from normal detection.

Product overview 6 points
  • Non-contact ultrasonic sensing: the probe does not touch the film, avoiding scratches, indentations, abrasion and surface damage.
  • Real-time monitoring of single-layer film thickness fluctuations. The factory-default trigger threshold is a thickness difference over 0.003 mm.
  • Standard switching-value signal for linkage with CUCKOO pouch sorting machines. Confirm the interface for the selected machine; the configured rejection system determines the discharge action.
  • Ultrasonic sensing is not dependent on film colour, printed patterns, ink layers, static electricity, light transmission, or matte / bright appearance. Check compatibility with the actual film.
  • Compact, integrated structure for installation on bag-making and sorting lines without complicated equipment modification; the actual mounting arrangement depends on the line.
  • High-speed, real-time response designed for continuous operation with the supporting sorter. Validate detection reliability and the operating speed under actual production conditions.
Installation requirements 5 checks
  • The film passing through the sensing area must be single-layer film. Multi-layer laminated film cannot be detected normally under the supplied specification.
  • Keep the film flat and taut, without obvious jitter, shaking, deviation or wrinkles.
  • Run the film horizontally, parallel to the ultrasonic probe and through the centre of the sensing window.
  • Keep the probe surface clean. Remove plastic dust, ink residue and oil stains to avoid signal attenuation.
  • Avoid strong external vibration near the mounting position; vibration can make thickness-signal collection unstable.
CUCKOO Insect Detection System, original product photograph from the supplied document

02 / Insect foreign-matter inspection

Insect Detection System

High-speed optical imaging checks for insect foreign matter inside plastic pouches, identifies affected products and sends a rejection signal.

Before installationPresent pouches individually and flat. Do not stack, fold or overlap them in the camera window.

Product overview 6 points
  • Non-contact, high-precision optical imaging inspects pouches without scratching or damaging the packaging.
  • A high-speed camera captures small insect foreign objects inside plastic pouches, marks defective products and outputs rejection signals.
  • Standard switching-value output links inspection with CUCKOO pouch sorting equipment. The selected rejection configuration removes the affected row or individual defective pouch.
  • The supplied description reports stable inspection across pouch colour, printing, transparency and static electricity. Confirm visibility and detection performance using actual pouch samples; this is not an unconditional guarantee for every material.
  • Compact, integrated structure for existing bag-making and sorting lines, intended to limit major reconstruction of the original equipment.
  • Fast image processing supports high-speed, continuous production. Confirm the operating speed, missed-detection risk and false-alarm performance during commissioning.
Installation requirements 7 checks
  • Spread pouches flat and present them as a single, non-overlapping layer. Stacked, folded or double-layer pouch presentation cannot be inspected accurately.
  • Keep the conveying section smooth and stable, with pouches flat and without obvious jitter, swing, deviation or severe wrinkles.
  • Pass each pouch horizontally through the centre of the camera window, keeping it parallel to the lens.
  • Keep the camera lens and light-source surfaces clean. Plastic dust, ink residue and oil stains can blur images and cause missed inspection.
  • Avoid strong external vibration near the mounting position; it can distort images and cause false alarms.
  • Avoid strong direct light on the detection window, as it can interfere with imaging.
  • Clean the camera lens regularly to prevent dust-related false detection.

Specification

The details that
shape your line.

Film-splice detection on single-layer film and insect foreign-matter inspection on individually presented, flat pouches.

*Factory-default ultrasonic trigger threshold. Detection performance and compatibility depend on the material, installation and operating conditions.

Ultrasonic trigger thresholdFactory default: thickness difference over 0.003 mm
Ultrasonic methodNon-contact monitoring of single-layer film thickness fluctuations
Ultrasonic material restrictionSingle-layer film only; multi-layer laminated film cannot be detected normally under the supplied specification
Joint-system outputStandard switching-value rejection signal
Insect-system methodHigh-precision optical imaging
Insect-system outputMarks defective products and outputs a standard switching-value signal
IntegrationOutputs a signal to a compatible CUCKOO pouch sorting machine; the selected machine configuration determines the rejection action

Detection and rejection are separate steps. These systems identify a splice or foreign matter and send a signal. Whether an affected row is rejected or an individual defective pouch is removed depends on the selected sorter and rejection configuration.

Process overview

A clear sequence.
A connected workflow.

  1. 01

    Present material correctly

  2. 02

    Detect in real time

  3. 03

    Output rejection signal

  4. 04

    Reject by the selected mode

Your next step

Plan inspection for your line.

Talk to our team