At present, the advanced bronzing die-cutting equipment at home and abroad has two kinds of flat-pressing hot stamping die-cutting machine and round-pressing hot stamping die-cutting machine. The mechanical structure of the existing flat-pressing and stamping die-cutting machine determines the change of the hot stamping time by a random speed change, and the higher the machine speed, the shorter the hot stamping time.
Foil-foiling mechanism Whether it is domestic or foreign flat-press bronzing die-cutting machine, due to structural limitations, it is only possible to take the foil longitudinally or to separate the foil in the longitudinal and transverse directions, but not in the longitudinal and lateral directions. Therefore, in the hot stamping process, the hot stamping foil must be cut into a narrow foil roll that meets the requirements of the hot stamping process, and the utilization rate of the hot stamping foil is low, which increases the production cost of the enterprise and reduces the production efficiency of the enterprise.
A completely new type of digital flat pressing and stamping die-cutting machine with independent intellectual property rights has been successfully developed. This machine is completely different from the traditional flat-pressing and stamping die-cutting machine. It is the main problem for the current flat-pressing and stamping die-cutting machine. It adopts high-tech such as computer technology, digital technology, microelectronic technology and shaftless transmission. . It has complete independent intellectual property rights and has obtained a number of patents. Thanks to the digital control, the hot stamping time can be set in advance according to the need, regardless of how the hot stamping speed changes, the hot stamping time remains unchanged. Therefore, high-speed, high-quality hot stamping can be realized by ordinary anodized aluminum, which breaks the precepts that ordinary electrochemical aluminum cannot be high-speed and high-quality hot stamping, and creates a world record of high-speed, high-quality flat-press stamping, and obtained a number of patents. . The following are some of the key technologies for digital flat stamping die-cutting machines.
1. Paper feeding system with digital paper positioning function in X and Y axis directions
The system does not have a traditional paper feeding table, but uses a digital paper suction nozzle to deliver high-precision paper to the paper feeding tray. It can recognize the edge of the paper for X and Y direction correction, and can also identify the printed reference line for X and Y directions. The correction has a correction accuracy of 0.03 mm. The stable transfer speed of this CNC transfer system is 12,000 sheets per hour. It can also be used alone in other printing equipment , ie as a paper feeder with an electronic pull gauge and an electronic front gauge.
2. Digital closed loop reciprocating paper feeding system without traditional gripper
The system is a self-contained component that is fixed in the lifting platform. It does not have the traditional model of intermittent gearbox, chain row and front and rear positioning devices, but uses the most advanced linear closed-loop drive devices.
The advantage is that the repeating positioning precision is high, 0.01mm; the number of parts is small, only 1/5 of the traditional model; the positioning accuracy is not affected by the gap generated after the mechanical parts are worn; no matter the processing speed, each sheet of paper The delivery time can be kept constant. Thereby, the paper feeding time utilization rate is increased by 25%, and the use of the paper feeding mechanism makes the whole machine structure simpler and more reasonable.
3. Personalized digital hot stamping platform
According to the requirements of the hot stamping process, the contact time between the platform and the substrate and the hot stamping pressure can be set, and the pressure-balanced adaptive function of all the hot stamping screens is provided, so that the operator's troublesome pad is completely unnecessary. When using ordinary low-grade anodized aluminum hot stamping, the hot stamping speed is 1000~10000 sheets/hour, the hot stamping time is unchanged, and the hot stamping quality is exactly the same.
4. Digital dual coordinate foil system
The foil handling system is mounted directly on a fixed platform on the stamping die cutting platform. When used, the anodized aluminum is hung according to the entire width of the hot stamping. When hot stamping, it can move left and right in the lateral direction, and the foil can be moved forward and backward in the longitudinal direction, and can be simultaneously moved in both directions, that is, any position of the hot stamping foil can be hot stamped onto the printed product.
The utility model has the advantages that the whole roll hangs the foil, saves the time of cutting the foil and hanging the foil, reduces the number of foil exchanges, and improves the effective working time; the high speed and high precision foil, the positioning accuracy is 0.1 mm; the utilization rate of the consumable is improved. It saves 30%~50% of consumables than traditional models; reduces the pollution of waste aluminum.
This new concept of digital flat pressing and stamping die-cutting machine uses the system integration method in the structure. The various functional components of the whole machine directly use advanced control and driving technology, and each functional component is controlled by the digital motion controller. High-speed, stable, accurate, mechanical gap-free, friction-free virtualized linkage between features. In this way, the bronzing die-cutting machine can accurately control the hot stamping pressure and the duration of hot stamping; ensure the precise positioning of the paper during high-speed paper feeding; for the first time, the double-coordinate foil is taken at the same time, the foil is accurate, and the utilization rate of the electrochemical aluminum is higher than that of the conventional machine. The type is increased by 30% to 50%; the aluminum alloy with high transfer characteristics is not required, and in the case of using ordinary low-grade anodized aluminum, the stable processing speed is 10,000 sheets/hour or more, and the processing speed and the mechanical speed are completely unified. The hot stamping accuracy is ±0.06mm.
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