Abstract: Patch coil coating machine is a device used to coat adhesives on the surface of coils. It is widely used in packaging, building materials, medicine and other industries. This article will deeply explore the technical principles, structural design and application prospects of patch roll coating machines, aiming to provide technical support and reference for researchers and practitioners in related fields.
I. Introduction
The patch coil coating machine is a special equipment used to coat adhesive on the surface of the coil. Its main function is to evenly coat the adhesive on the surface of the coil to achieve the same effect between the coil and other materials. of bonding. Patch roll coating machines are widely used in various industrial fields, such as tapes in the packaging industry, waterproofing rolls in the building materials industry, and medical tapes in the pharmaceutical industry. This article will introduce the patch roll coating machine in detail from three aspects: technical principles, structural design and application.

2. Technical principles
The technical principle of the patch coil coating machine mainly includes two aspects: coating system and curing system.
Coating system: The coating system is responsible for evenly coating the adhesive on the surface of the coil. Generally speaking, a coating system consists of components such as a coating head, coating roller or nozzle. The coating head ensures that the adhesive forms a uniform coating film on the surface of the coil by controlling the coating thickness and coating width. The coating roller or nozzle is responsible for evenly distributing the adhesive on the coating head and coating it on the surface of the web.
Curing system: The curing system is responsible for curing the adhesive coated on the surface of the coil. Generally speaking, the curing system uses heating to quickly cure the adhesive by heating the air or through ultraviolet radiation. At the same time, precise control of the adhesive curing process can be achieved by controlling parameters such as curing temperature and curing time.
3. Structural design
The structural design of the patch coil coating machine mainly includes the frame, coating system, curing system, control system and other parts.
Rack: The rack is the support structure of the entire equipment. It usually adopts a steel structure or aluminum alloy structure and has sufficient stability and load-bearing capacity.
Coating system: The coating system includes components such as a coating head, coating roller or nozzle, which is responsible for evenly coating the adhesive on the surface of the coil. The design of the coating system should take into account the characteristics of the adhesive and the requirements of the coating process to ensure the stability and controllability of the coating process.
Curing system: The curing system includes components such as heaters and UV lamps, which are responsible for curing the adhesive coated on the surface of the coil. The design of the curing system should take into account the balance between curing efficiency and energy consumption to improve the production efficiency and energy-saving performance of the equipment.
Control system: The control system is responsible for monitoring and adjusting the operating status of the entire equipment, including coating thickness, curing temperature, curing time and other parameters. The control system usually adopts PLC control or touch screen control, which is easy to operate, stable and reliable.
Coil-up system: used to take out the coated film roll from the machine. The take-up system usually includes a take-up shaft, a tensioning device, etc.
Processing system: Carry out cutting, punching and other processing on coated membranes to meet the needs of different products.
4. Application
Patch coil coating machines play a key role in various industries, and their main applications include packaging, building materials, medicine, textiles, automobiles and other fields. By evenly coating the adhesive on the surface of the coil, these machines provide the necessary bonding and coating functions for product manufacturing, thereby driving improvements in production efficiency and product quality in various industries.
As a special equipment for coating adhesives on the surface of rolls, the patch coil coating machine is widely used in various industrial fields. Its stable technical principles and reasonable structural design determine its superior performance in the coating process.
