ZD-QFB Automatic Square Bottom Paper Bag Machine

Machine Description Product Videos Machine Highlights Technical Parameters Optional Benefits

Machine Description

The industrial-grade Automatic Square Bottom Paper Bag Machine is a cutting-edge, roll-fed system designed for mass-producing premium flat-rope handle paper bags, luxury shopping bags, and retail-ready handbags with unmatched efficiency. Utilizing high-strength paper rolls, reinforced patch rolls, and pre-rolled flat handles, this fully integrated machine delivers seamless end-to-end production of durable, square-bottom carrier bags—perfect for branded packaging, fashion boutiques, and food-grade applications.

Key Advantages for Streamlined Production:
✔ End-to-End Automation – Combines precision handle fabrication, automatic handle attachment, tube forming, ultrasonic cutting, and reinforced square bottom folding into a single high-speed proces.
✔ Exclusive Flat-Rope Handle System – comfortable grips for heavy-duty shopping bags.
✔ Siemens PLC Precision Control – User-friendly touchscreen interface allows real-time adjustments to bag dimensions, handle placement, and cutting length (optional), guaranteeing millimeter-perfect accuracy.

Unmatched Versatility for Diverse Industries:
▸ Luxury Retail – High-end boutique bags, gift bags with flat-rope handles
▸ Food & Beverage – Grease-resistant takeaway bags, bakery packaging
▸ Apparel & Footwear – Branded clothing bags with reinforced handles

Product Videos

ZD-QFB14+E

ZD-QFB21S+E

Machine Highlights

The ZD-QFB14 machine forms the large hub into 5 equal parts for precise and efficient production.
The flat rope handle can be folded inward or turned outward, offering flexibility in design. Additionally, the flat rope handle can be used with a single handle piece for a simplified structure.

Technical Parameters

TECHNICAL DATA	ZD-QFB11	ZD-QFB13E[S]	ZD-QFB14[S]	ZD-QFB18P	ZD-QFB21S[M]
Paper Roll Width	590~890mm(370-890mm)	590-990mm(400-990mm)	590-11500mm	630-1390mm(590-1390mm)	630~1530mm[690~1710mm]
Max.Paper Roll Diameter	Ф1500mm	Ф1500mm	Ф1500mm	Ф1500mm	Ф1500mm
Material Core Diameter	Ф76mm(3")	Ф76mm(3")	Ф76mm(3")	Ф76mm(3")	Ф76mm(3")
Paper Thickness	70~160g/㎡	70~160g/㎡	70~150g/㎡	80~160g/㎡	80~150g/㎡
Bag Body Width	180-280mm(110-280mm)	200~330mm(125~330mm)	200~360mm	200~460mm(200~460mm)	220~540mm
Paper Tube Length	270-530mm	270~530mm	350~650mm	350~620mm(280~620mm)	400~720mm(380~770mm)
Bag Bottom Size	60~150mm	60-150mm[70-180mm]	80-200mm[100-230mm]	80~220mm	80-254mm[110-300mm]
Flat Handle Rope Height	75mm	75mm	75mm	90mm	90mm
Flat Handle Rope Width	10mm	13mm	13mm	16mm	16mm
Paper Rope Roll Width	78mm	101mm	101mm	93mm	93mm
Paper Rope Roll Diameter	Ф1200mm	Ф1200mm	Ф1200mm	Ф1200mm	Ф1200mm
Paper Rope Thickness	70-100g/㎡	70-100g/㎡	70-100g/㎡	70-100g/㎡	70-100g/㎡
Handle Patch Length	160mm	160mm	160mm	170mm	170mm
Handle Patch Width	52mm	52mm	52mm	52mm	52mm
Paper Patch Roll Diameter	Ф1200mm	Ф1200mm	Ф1200mm	Ф1200mm	Ф1200mm
Paper Patch Roll Width	160mm	160mm	160mm	170mm	170mm
Paper Patch Thickness	70-110g/㎡	70-110g/㎡	70-110g/㎡	70-110g/㎡	70-110g/㎡
Max. Speed	180bags/min(240bags/min)	180bags/min(220bags/min)	160bags/min	160bags/min(200bags/min)	120bags/min
Total Power	29kw	29kw	29kw	29kw	29kw
Total weight	Approx.20000kg	Approx.20000kg	Approx.20000kg	Approx.20000kg	Approx.20000kg
Overall Dimension	L16000xW3500xH3500mm	L16000xW3500xH3500mm	L16000xW3500xH3500mm	L16000xW3500xH3500mm	L16000xW3500xH3500mm

Optional Benefits

The SIEMENS PLC system enables precise adjustment of cutting length directly through the touchscreen interface, offering enhanced user control. This innovative feature not only streamlines operation but also ensures highly efficient and stable production, improving overall performance and reliability.