ZYK-1200 Full-Adhesion Paper Feeding Four-Color Printing Slotter Die-Cutting Machine

Technical Parameters

Printing Paperboard	3/5/7 Ply Corrugated Paperboard
Mechanical Speed	220 sheets/min
Maximum Paper Size	1200×2400 mm
Maximum Printing Size	1200×2200mm
Minimum Paper Size	Forward knife 680×380mm; Reverse knife 730×380mm
Maximum Die-Cutting Size	1200*2350
Register Accuracy	±0.5mm
Printing Plate Thickness	7mm
Suitable Paperboard Thickness	2-12mm

Overall Introduction

1. Control System: Adopts a full-computer PLC control system, which can store frequently used orders, making order changes faster, with memory function for convenient operation and maintenance.

2. Paper Feeding Section: Adopts a dual-bellows full-servo pressureless paper feeding system, with the paper feeding rollers independently driven by servo motors. Zero-pressure paperboard transmission effectively prevents surface paper damage affecting printing effects and paperboard strength. Compared with traditional mechanical front-edge feeding, it features high precision, high stability, and low noise.

3. Printing Section: Full-process vacuum suction transmission, rollers are made of lightweight alloy materials, with wear-resistant ceramic coating. Equipped with a single-blade system to ensure high-quality printing.

4. Slotter Section: Box length, width, and height are all computer-adjusted for convenience and speed.

5. Die-Cutting Section: Adopts the German "Kobel" servo control system, with computer-synchronous independent drive, completely solving the impact of die-cutting force on the printing unit and printing effects.

6. Transmission Gears: Adopts high-quality 20CrMoTi alloy steel with carburizing treatment, high-precision gear grinding, high gear precision, strong wear resistance, stable and reliable transmission, reaching national Grade 5 standard.

7. Electrical Control: Adopts world-renowned brands such as "China Zhengtai", "Shanghai People", and "Schneider", with superior performance and durability.

8. Bearings adopt brands such as "Harbin", "NSK", and "Luoyang", with high precision and long lifespan.

Paper Feeding Section Function Introduction

I. Front-Edge Paper Feeding

1. Paper feeding rollers are independently driven by servo motors. Compared with traditional mechanical front-edge feeding, it features high precision, high stability, and low noise.

2. Adopts a dual-bellows full-servo pressureless paper feeding system, with the paper feeding rollers independently driven by servo motors. Zero-pressure paperboard transmission effectively prevents surface paper damage affecting printing effects and paperboard strength. Compared with traditional mechanical front-edge feeding, it features high precision, high stability, and low noise.

3. Four-axis roller-type front-edge paper feeding mechanism, multi-wheel, multi-point suction feeding, large friction, high speed, stable and accurate paper feeding.

4. Suction frequency conversion adjusts air volume, high-pressure centrifugal fan has large air volume, and can adjust air volume according to the degree of paperboard warping, increasing the stability and accuracy of thin and warped paperboard transmission.

II. Dust Removal Device: 1. Ultra-wide high-density anti-static cleaning brush sweeps away debris on the surface of the paperboard, improving printing quality!

III. Control Functions

1. Touch screen centralized control, unit phase, automatic zeroing, order storage, and plate wiping memory.

2. Front panel control, main machine start, stop, main machine acceleration, deceleration, and speed display. Paper feeding fan acceleration, deceleration, and speed display. Single-sheet and continuous paper feeding control, and equipped with automatic counting function.

IV. 1. Electric adjustment of side baffle position, equipped with automatic alignment device. 2. Front support plate lifting and turbine box adjustment, instrument handle shows scale, precise position, convenient adjustment.

 

Principle of Traditional Mechanical Front-Edge Paper Feeding (as shown in Figure I):

 

The paperboard is initially placed on the table, and is in close contact with the table by suction. When starting, wheels 1, 2, and 3 rotate together, and the table sinks mechanically. Three rows of rubber rollers protrude and contact the paperboard, and the paperboard is pushed past the front gauge into shafts A and B, and then fed into the printing section by shafts A and B.

Regardless of the width of the paperboard, the number of revolutions of wheels 1, 2, and 3 is fixed, approximately 18-22cm. At this time, the table rises, lifting the paperboard away from the rubber rollers. At this time, a stack of paperboards is stacked on top, plus the suction force on the bottom of the paperboard. If the paperboard is to move forward smoothly, shafts A and B must increase the pressure, otherwise the paperboard will slip, causing inaccurate paper feeding and waste. Increasing the pressure of shafts A and B will also damage the corrugation of the paperboard, directly affecting its compressive strength. Cardboard factories have to increase the grammage of the paper, resulting in unnecessary waste.

Servo paper feeding involves installing a servo motor on each of the 1, 2, 3, and 4 rubber rollers. The three rows of rubber rollers are permanently extended beyond the table. The cardboard is directly and tightly coupled with the rubber rollers via suction. Before starting, the cardboard width is set on the computer; for example, if the cardboard is 45cm, it is set to 45cm. When starting, rollers 1, 2, 3, and 4 rotate together to advance the cardboard. When the cardboard advances, roller 4 is exposed first, and it stops rotating. When it advances to expose roller 3, roller 3 also stops, and so on until roller 1 is exposed and stops. At this point, the entire 45cm cardboard is fed into the paper guide air box. The second cardboard falls onto the rubber rollers, which wait for the second cycle to feed another 45cm, and so on. The cardboard passes the front baffle and is sucked by the paper guide air box, and then conveyed forward by the three rows of rubber rollers in the paper guide air box. The three rows of shafts of the paper guide rollers are uniformly conveyed by the servo motor via a timing belt, and their speed is synchronized with the printing roller, so the cardboard is smoothly fed into the printing section. The cardboard does not experience any pressure from entry to exit, so the corrugation is not damaged, ensuring the cardboard's compressive strength physical indicators without increasing the basis weight of the corrugated paper and facing paper to guarantee the compressive strength parameters.

Comparison of mechanical leading-edge paper feeding and servo leading-edge paper feeding

With the same compressive strength physical parameters, servo paper feeding can save 40g/m2 of paper for five-layer cardboard and 20g/m2 for three-layer cardboard.

Daily production of 20,000 m2 of five-layer cardboard: 20,000 * 40 = 800,000g = 800kg * 3000 yuan/ton = 2400 yuan.

Annual production: 300 days * 2400 yuan = 720,000 yuan

Printing Section Function Introduction

1. Full-process vacuum suction conveying. The rollers are made of lightweight alloy steel and coated with wear-resistant ceramic material, effectively improving paper feeding stability and accuracy. The paper guide air box uses a computer-adjusted precision lifting mechanism to control lifting.

2. Printing Rollers

1. The printing rollers use high-quality steel with surface grinding and hard chrome plating. There are center reference lines in the axial direction and plate-pasting reference lines in the circumferential direction.

2. Dynamic balance adjustment, stable operation, suitable for high-speed operation.

3. Ratchet-fixed plate roller shaft with plate hanging groove, suitable for quick plate changing.

4. High-precision planetary gear phase adjustment mechanism, adjustable 360 degrees forward and reverse in both dynamic and static states, with encoder control device.

5. Equipped with a foot switch for convenient plate hanging.

6. Computer-adjusted printing roller axial adjustment mechanism. The maximum momentum is plus or minus 5mm.

7. Reset switch, the printing roller returns to zero position, convenient for single-order changing operation, shortening the single-order changing time, and reducing cardboard waste.

3. Aniline Rollers

1. Pneumatic aniline roller automatic lifting and automatic rotation device during shutdown. When feeding paper, the aniline roller descends to contact the printing plate, and when paper feeding stops, the aniline roller automatically rises to separate from the printing plate to protect the printing plate; it automatically idles when not printing to prevent ink from drying.

2. Computer adjustment of the pressure between the aniline roller and the printing plate. Computer adjustment of the pressure between the aniline roller and the rubber roller.

4. Doctor Blade Ink Distribution System

1. The doctor blade ink transfer system adopts Habo paper design from the USA. The doctor blade chamber is made of aviation aluminum material processed by a machining center, with high strength and toughness, and is not easily deformed.

2. The pressure increase/decrease method adopts a pneumatic oil design, with good stability and no change due to pressure difference changes caused by the start and stop of the air compressor.

3. The blade uses original nylon blades from the USA, which are wear-resistant and protect the ceramic roller, ensuring high-precision printing effects and extending the service life of the ceramic roller.

4. The ink return method uses a large-circulation natural reflux design. There is no need to install felt on both ends of the ceramic roller, and ink will never splash out from both ends.

5. The design concept of Habo's original ink supply, return, and washing pipelines makes cleaning more convenient and ink more economical, greatly reducing the labor intensity of the operator. It is currently the most advanced and economical doctor blade system in China.

6. Ink shortage alarm. Each group has independent ink supply, using mechanical and electronic cooperation to automatically detect whether the ink in the ink bucket is used up. Once the ink is short, the operator will be alerted by an electric bell, and it will be connected to the computer, and a prompt indicating which group is short of ink will appear on the display screen, which helps to reduce cardboard waste.

5. Ink Supply System

1. Pneumatic diaphragm pump, simple operation, easy maintenance, stable ink supply.

2. Automatic circulation cleaning, automatic inking.

3. Filter screen filters impurities to ensure printing quality.

4. The ink fountain is made of stainless steel and is not easily corroded.

5. Ink shortage alarm. Each group has independent ink supply, using mechanical and electronic cooperation to automatically detect whether the ink in the ink bucket is used up. Once the ink is short, the operator will be alerted by an electric bell, and it will be connected to the computer, and a prompt indicating which group is short of ink will appear on the display screen, which helps to reduce cardboard waste.

7. Phase Adjustment Mechanism

1. Planetary gear structure

2. Electrically adjust the printing plate position by 360 degrees (in both running and stopped states).

3. Equipped with a 7.0-inch color touch screen for printing roller phase and lateral adjustment, encoder signal transmission, and full electric control.

8. Phase Fixing System

1. Electromagnetic braking device.

2. Unit clutch, the original meshing point of the transmission gear remains unchanged.