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1. Working principle of the equipment
Core structure
It consists of a knife holder, a die-cutting plate, a creasing device, a feeding system, a control system, etc.
The thin knife (the blade thickness is usually 0.5~1.5mm, which is more than 50% thinner than traditional knives) is fixed on the die-cutting plate, and the material is cut or creasing by mechanical or hydraulic drive.
Workflow
After the material is precisely positioned by the feeding system (such as rollers and conveyor belts), it enters the die-cutting area.
The thin knife cuts the material according to the preset pattern, and the creasing device synchronously completes the folding process to form the required shape (such as paper bags, packaging boxes, labels, etc.) in one go.
2. Main functions and application scenarios
1. Die-cutting function
Precision cutting: suitable for the processing of complex graphics and small parts (such as special-shaped labels, hollow cards, precision electronic accessories), and the error can be controlled within ±0.1mm.
Batch production: dozens to hundreds of sheets of material can be processed per minute, and the efficiency is far higher than manual or traditional equipment.
2. Creasing and forming
Creating paper, cardboard and other materials to facilitate subsequent folding into paper boxes, paper bags, document bags, etc., especially suitable for the packaging industry (such as gift boxes, food packaging boxes). 3. Typical application areas
Industry processing product examples Features Requirements
Packaging and printing Handbags, mooncake boxes, cosmetic packaging boxes High-precision pattern cutting, beautiful indentation
Electronic manufacturing Mobile phone protective film, insulating gasket, conductive foam High dimensional accuracy, no burrs on the edges
Leather/cloth Wallet lining, clothing labels, eco-friendly bags Strong material adaptability, neat cutting edges
Advertising and cultural creation Special-shaped posters, three-dimensional greeting cards, paper crafts Various shapes, high demand for personalized customization
III. Comparative advantages with traditional die-cutting machines
Comparison of dimensional thin-knife die-cutting machines Traditional thick-knife die-cutting machines
The thickness of the knife is 0.5~1.5mm, the blade is sharper 2~5mm, the blade is blunt
Precision Error ±0.1mm, suitable for fine processing Error ±0.5mm, suitable for extensive processing
Material utilization rate Thin blade, less waste (can save 10%~20% of materials) More waste
Efficiency High-speed continuous die-cutting, production capacity increased by more than 30% Slower speed
Cost Initial equipment investment is high, but long-term material cost savings Equipment cost is low, but material waste is high
IV. Key technical parameters
Die-cutting speed: usually 30~120 times/minute, high-speed models can reach more than 200 times/minute.
Maximum die-cutting size: depending on the model, common specifications are 800mm×1200mm, 1000mm×1500mm, etc.
Tool life: high-quality thin knives can be reused more than 500,000 times, and regular grinding and maintenance are required.
Drive mode: divided into servo motor drive (high precision), hydraulic drive (high pressure), pneumatic drive (low cost).
V. Operation and maintenance points
Operation precautions
The material needs to be calibrated in advance for flatness to avoid die-cutting deviation due to warping.
When replacing the tool, precise alignment is required to ensure pattern consistency.
Maintenance
Regularly clean the knife holder and die-cutting plate to prevent debris accumulation from affecting accuracy.
When the tool is worn, it needs to be sharpened using a special grinder or replaced with a new one (it is recommended to check it every 500 hours).
Mechanical structure
Face frame: Generally made of high-quality steel welded, after aging treatment to ensure the stability and rigidity of the fuselage, can withstand long-term working pressure without deformation, and ensure the accuracy of the line contact.
Creasing mechanism: It consists of an upper creasing roller and a lower creasing roller. The roller surface is usually made of wear-resistant rubber or polyurethane material, which has good elasticity and wear resistance, and can make the cardboard form a clear and regular indentation when it touches the line. The creasing roller pressure of some high-end models can be precisely adjusted by knobs or hydraulic devices to adapt to cardboards of different thicknesses and materials.
Paper feeding mechanism: There are two common methods: front edge paper feeding and side suction paper feeding. The front edge paper feeding mechanism clamps the front edge of the cardboard through vacuum adsorption or mechanical clamps, and then accurately feeds it into the indentation area, with high paper feeding accuracy; side suction paper feeding is to adsorb and feed paper from the side of the cardboard, which is suitable for some occasions with high requirements on the edge of the cardboard. The paper feeding speed is usually around 10-30 meters per minute, which can be adjusted according to production needs.
Electrical control
Motor: Use high-quality AC motors or servo motors. AC motors are low-cost and stable in operation, suitable for general production needs; servo motors have higher control accuracy and response speed, can achieve more accurate paper feeding and indentation control, and are often used in situations with high precision requirements. The motor power is generally between 0.75 and 2.2 kilowatts, depending on the specifications and performance requirements of the machine.
Controller: PLC (programmable logic controller) or single-chip microcomputer is often used as the control core, with the advantages of high reliability, strong anti-interference ability, and flexible programming. The controller can easily set and adjust various parameters of the touch-line machine, such as paper feeding speed, indentation depth, working mode, etc., and can also realize fault diagnosis and alarm functions, which is convenient for maintenance and management.
Operation interface: usually equipped with a touch screen or a button operation panel. The touch screen interface is intuitive and easy to operate. It can display various parameters and working status. Users can easily set parameters and switch functions by touching the screen; the button operation panel has the characteristics of simple operation and good durability, and is suitable for use in some harsh environments.
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