Two colors automatic bottle lids screen printing machine

12 month ago

33 0 

10 year

Product details

Two colors Automatic screen printing machine for bottles without positioing point / /

Characteristics

This dual-head fully automatic screen printing machine is specifically developed for printing on circular substrates, such as bottle caps and similar components. It utilizes a chain-driven transport system, effectively eliminating registration errors caused by the absence of circumferential positioning references on the product.

During the two-color printing process, the bottle cap is securely fixed on the chain fixture, ensuring it remains stationary throughout production. Only the printing mechanism operates, with controlled rotation applied to the horizontal surface during printing. This design guarantees high-precision color registration and consistent print quality.

For applications requiring surface protection, the second printing station can be easily converted into a varnish coating unit, allowing the machine to perform both printing and coating functions within a single system, enhancing versatility and production efficiency.

Introduce
This Two colors automatic screen printing machine is designed for printing non-locating caps and hoses. It has independent feeding system, efficiently printing. It support a variety of caps and hoses through replacing the fixtures. It is suitable for part of bowl and cup shaped products with little tapers. At present, in the market, the automatic bottle printing machine all is connect-type, the bottle goes into the second printing unit for the second color printing after the fist color. Due to the length of the direction of tolerance, such kind screen printing machine can do 5 colors or 6 colors, but this type of automatic screen printer is only suitable for positioning products. No fixed point of the bottle, the hose must be used to chain structure type screen printing machine, only this kind screen printing machine could do overprint. It is suitable for most types of plastic materials, especially for PP, PE materials. It is suitable for cosmetics, pharmaceuticals and circular bottle cap in food industry , could print a variety of patterns.
Automatic screen printing mahcine for bottle without registering point / / technical parameter
Max printing stroke: 300 mm; Max Printing speed: 4000 pcs/h; Work piece size(Round): Diameter:25-50 mm;Length:60-100 mm; Power supply: AC380V,3Phase ,45A/(1-3Colour),100A/(4-5Colour); UV Lamp wattage: 4KW/pc; UV Exhaust fan wattage: 0.2KW; Exhaust rate: 11.6 m3/min; Motor Wattage: 0.75KW; Reduction gearbox : 1:7.5; Feeding motor wattage : 0.75KW; Fixture motor wattage : 0.5 KW; Vacuum Pressure : 500 mm/Ag;	Flame gas: Liquefied Petroleum gas( LPG); Air : 6 Bar; Air rate of flow : 1500Lit/M. Power: 1 phase 220V,45A; 5-7Bar Compress air ; Liquefied petroleum Gas, Natural gas Package Dimension: 3600×1550×1220mm; Gross weight: 1100Kg CBM: 6.8076 Package Dimension: 2450×1180×1820mm; Gross weight: 1465Kg CBM: 6.6104

Machine advantage

Designed for round caps with no locating points, the structure is simple and reasonable, the debugging is quick and easy, and the action is stable and reliable.
Synchronous motor drive the conveyor belt, the speed can be step-less adjusted, feed width can be easily adjusted.
Using vibration plate feeding system, the cap can be automatically transmitted to the screen transmission system. This design include automatic direction identification system, the cap can automatically enter the transmission system in a unified direction.
Using flame treatment device to improve the PP,PE material ink adhesion; flame pressure can be flexibly adjusted.
The use of chain drive system automatically pre-alignment, to ensure accurate overprint, overprint accuracy of up to 0.05 mm.
By changing the cap fixture, the machine can easily print caps of different diameters;
Screen plate and scraper position can be adjusted precision in three dimension and angle, ensure that printing position to meet user`s requirements.
Mechanical transmission and pneumatic combination, the Japanese inverter for program control, smooth operation;
Touch screen operation, easy to achieve man-machine dialogue, so that the operation is more handy.
UV curing system, imported UV device, excellent curing speed and quality, greatly improve the printing efficiency; printing speed is about 3600pcs / h.
The whole machine components and control systems using German and Japanese components to ensure a stable printing quality.

Why does the multi-color automatic screen printing machine for bottle caps use a chain drive structure?

Bottle caps are used to seal bottles. Almost all containers need bottle caps. Bottle cap screen printing is mainly single-color, but many bottle caps are multi-color. When bottle caps are multi-color, overprinting the second color becomes a problem. Because the bottle cap has a small diameter, positioning with a servo motor often results in a large error due to the lack of a larger buffer time. Therefore, multi-color screen printing machines for bottle caps mostly use a chain drive structure.

The so-called chain drive is that the multi-color screen printing stations are linked by a whole chain. The bottle caps are fixed on the fixture linked to the chain and driven to the screen printing position one by one. The bottle caps do not rotate in the circumferential direction during the movement, so a slight adjustment before the second color screen printing can accurately overprint the colors.

Chain drive has the following characteristics:

Stable transmission and precise positioning: Multi-color screen printing requires accurate switching of bottle caps between multiple printing stations. Chain drive can achieve non-slip uniform transmission through the meshing of chain and sprocket, ensuring the consistent position of bottle caps every time they stay at the station, and ensuring the accuracy of multi-color overprinting.
Adapt to continuous operation needs: Bottle cap printing is mostly batch continuous production. Chain drive can withstand a certain load and can stably transmit motion, which is suitable for long-term continuous operation.
Simple structure and convenient maintenance: Chain drive has few components and a relatively simple structure. It is not easily affected by dust, slight vibration, etc. in the production environment. Later maintenance and replacement of parts are also relatively convenient, which can reduce equipment downtime. Chain drive is mainly the meshing friction between sprocket and chain. Frequent filling of lubricating oil can effectively reduce transmission resistance and increase the life of the chain drive system.