Video Link:  https://youtu.be/EnlvsgXrgrQ

This machine can produce star/pleated filter bag and also produce cylinder filter bag on one machine. The most important upgrade is this machine can produce the star/pleated filter bag into tube shape then cutting to set length, not only welded pleated fabric.

1. Photoelectric Sensor Length Fixing

The photoelectric sensor is added to the conveying part of the normal automatic pleated filter bag production to detect the length of the pleated filter tube, improved the accumulative tolerance during welding the strips , and ensure the accuracy of the length of the pleated filter tube through the upgrading of the hardware and program.

2. Cutting the Pushing

The normal automatic pleated filter bag production line cut the welded pleated fabric then conveying. This upgraded version production line cut the welded filter tube and push it away from conveyor directly to improve the production speed. 

3. Automatic Tubing Pleated Filter Bag

Adding round-trip device, feeding part, automatic tubing sewing head, pleated fabric storage part, filter tube storage part and fixed length cutting, in this way this machine can produce pleated filter tube automatically. It saves a lot of labor cost, improve product quality and production efficiency.

4. Production of Cylinder Filter Bag

This upgraded production line can produce both pleated filter tube and cylinder filter tube, one machine can be used for two kinds of products, which can be flexibly arranged according to the production needs to maximum the value of this machine.

5. Automatic Marking.

Automatic draw a line between the pleated filter tube head and the bottom, manual intervention can be carried out when the length of the pleated filter tube changes.