China Fully Auto Sheet-fed Square Bottom Paper Bag Machine for Sale Supplier, Exporter

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China Fully Auto Sheet-fed Square Bottom Paper Bag Machine for Sale Supplier, Exporter

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Product Description

Product Overview

Name: Automatic Sheet Feeding Square Bottom Paper Bag Machine

Model: LQ-35H(TF) side paper stick on surface paper

Device Specific Configuration

Cutting & Punching

Bag top edge cutting length: 188.4mm

Hole diameter: 4mm / 5mm / 6mm

Hole distance: 80mm / 100mm / 120mm

Gluing & Finishing

Gluing devices: One set (Nordson from USA)

Grinding device: One set for laminated sheets

Paper Adaptation & Acceptance Criteria

Category	Details
Paper Types	70g-190g Kraft paper (yellow/white), coated paper + (laminated), paperboard, etc.
Standard Speed	≥ 60 bags/min (120g/㎡ kraft/laminated paper)
Eco Speed	≥ 55 bags/min (70g/㎡ kraft paper)
Welt Width	18-20mm

Components List

Part	Brand	Country of Origin
Bearing	TNT	Japan
Air cylinder	SMC	Japan
Solenoid valve	SMC	Japan
Connector	PANASONIC	Japan
Gear Box	TSUBAKI	Japan
Gear motor	SUMITOMO	Japan
Inverter	TOSHIBA	Japan
Air pump	ORION	Japan
Main motor	SIEMENS	Germany

Functional Unit Descriptions

1. Handle Making Machine

Inserts handle rope between two pieces of paper, fixed with hot melt glue. Supports twisted paper rope, p.p. rope, and acrylic resin rope. Parallel installation flexible to site space.

2. Handle (Cardboard) Pasting Unit

Pasting handles or cardboard to the mouth of the main sheet paper and folding. Features double pasting style capability.

3. Punching Unit

Punches 2 or 4 holes. Diameter options: 4, 6, 8mm. Distance range: 80 to 200mm. Optional banana type holes die cutting system available.

4. Quick Adjustment Device

Digital display controls for organ line and pressure adjustment, significantly reducing setup time and improving efficiency.

5. Bottom Opening Cylinder

Synchronized adjustment system where setting one side automatically adjusts the others, optimizing production uptime.

6. Automatic Collecting Device

Automated quantity calculation for more efficient bag collection and packaging.

Technical Specification

Parameter Item		Specification (LQ-35H)
Bag Size (mm)	Bag Width	180-350
	Bottom Width	70-160
	Tube Length	280-540
Sheet Size (mm)	Sheet Width	530-1050
Sheet Size (mm)	Sheet Length	340-600
Handle Paper Size (mm)	Handle Paper Cut Length	152.4 / 188.4 / 228.6
Handle Paper Size (mm)	Handle Paper Width	90-100
String Size	String Pitch	76.2 / 94.2 / 114.3
String Size	String Height (mm)	170-185
Mouth Folding (mm)		40-60
Power Consumption (KW)		27
Main Machine Size (mm)	Width	2050W
	Height	2710H
	Length	14680L
Max Speed (Bags/min)		70
Handle Details: String Dia 4-8mm \| Max Reel Dia 1000mm \| Paper Weight approx. 120g/㎡

Frequently Asked Questions

Q: What is the maximum production speed of the LQ-35H? A: The machine can reach a maximum speed of 70 bags per minute, with a standard operating speed of 55-60 bags per minute depending on paper weight.

Q: What types of materials are suitable for handle ropes? A: The handle making unit supports twisted paper rope, twisted P.P. rope, and acrylic resin rope.

Q: Can the machine handle laminated paper? A: Yes, it includes a dedicated grinding device specifically designed for processing laminated sheets and coated paper.

Q: Is the bag size adjustment complicated? A: No, the machine features a Quick Adjustment Device with a digital display and a synchronized bottom opening cylinder to minimize adjustment time.

Q: What brands of components are used in the machine? A: We use high-quality international brands including Siemens (Germany), and SMC, Panasonic, Toshiba, and Sumitomo (Japan).

Q: What are the hole punching capabilities? A: The machine can punch 2 or 4 holes with diameters of 4mm, 6mm, or 8mm, and adjustable distances between 80mm and 200mm.