Shantou Hetian Machinery Manufacture Co.,Ltd

In the plastic processing industry, equipment such as injection molding machines and extruders are often regarded as the main production force, but plastic auxiliary machinery is also a key factor in determining production efficiency and product quality. From raw material pretreatment to finished product post-processing, these auxiliary equipment run through the entire production process, ensuring the stable operation of plastic production through precise control and efficient processing.

1. Raw material pretreatment machinery: the first level of quality control

The purity and condition of plastic raw materials directly affect subsequent processing. Drying machines use hot air circulation or dehumidification technology to reduce the moisture content of moisture absorbing materials such as PET and PA to below 0.1%, avoiding defects such as bubbles and silver wires in the products; The crusher crushes production waste and scraps into recyclable particles, achieving resource reuse; The mixer utilizes the shearing and flipping of the stirring blades to ensure uniform mixing of color masterbatch, additives, and main materials, avoiding color differences or uneven performance of the products.

2. Automated conveying machinery: the 'invisible artery' of the production process

Vacuum feeding machines, screw conveyors, and other conveying equipment form an automated network for raw material transportation. They not only avoid dust pollution and measurement errors caused by manual feeding, but also provide stable feeding according to equipment requirements. In the extrusion production line, the feeding machine continuously delivers raw materials to the extruder, maintaining stable melt pressure, ensuring uniform profile thickness, and greatly improving production efficiency and product qualification rate.

3. Temperature control and dehumidification machinery: escorts of precision technology

The thermal management system composed of mold temperature controller and chiller is crucial for plastic molding. The temperature controller controls the mold temperature within a precision of ± 1 ℃ by circulating thermal oil or water, ensuring uniform cooling of the product; The chiller cools the hydraulic system of the equipment to prevent performance degradation caused by overheating. For high moisture absorbing materials such as PC and PMMA, dehumidifiers are used in conjunction with dryers to reduce the dew point of the air to below -40 ℃, avoiding the impact of secondary moisture absorption on the quality of the raw materials.

4. Measurement and mixing machinery: the executor of precise proportioning

The metering mixer is responsible for the precise proportioning of raw materials. The weight loss or volumetric measuring system controls the screw speed through PLC to ensure that the error of adding color masterbatch, filler and other additives is ≤ 0.5%. In the production of medical plastic products, the precise addition of antibacterial agents relies on a metering mixer to ensure product safety and effectiveness, and avoid quality accidents caused by imbalanced ratios.

5. Post processing machinery: the final guarantee of finished product quality

The treatment of plastic products after molding is equally crucial. The crusher performs secondary crushing on the water outlet material to meet the recycling standards; Tractors and cutting machines accurately control the length and surface flatness of products during extrusion molding; Grinding and polishing equipment gives the product a smooth appearance. The collaborative operation of these post-processing devices ensures that the final product meets market demand.

6. Environmental Protection and Energy saving Machinery: Practitioners of Green Production

With the increasing demand for environmental protection, plastic assisted machinery plays an important role in energy conservation and emission reduction. The energy-saving dryer adopts heat pump technology, which saves 30% -50% electricity compared to traditional equipment; Dust collectors and odor treatment equipment reduce pollutant emissions during the production process; The waste recycling system uses a combination of a crusher and a granulator to achieve a recycling rate of over 90%, reducing the cost of new material procurement and the pressure of solid waste treatment.

7. Intelligent upgrade: a new trend for future development

Nowadays, plastic assisted machinery is moving towards intelligence. The application of IoT technology enables remote monitoring and fault warning of devices, and AI algorithms optimize parameters such as temperature control and measurement to achieve precise production. For example, intelligent dryers monitor the humidity of raw materials in real time through sensors, automatically adjust drying time and temperature, and further improve production efficiency and product stability.

Although plastic assisted machinery does not directly shape product forms, it has become an indispensable component of the plastic production chain with its diverse functions and precise control capabilities. From quality control to cost optimization, from green production to intelligent upgrading, they continue to drive technological innovation and sustainable development in the plastic processing industry.