1200×1100 Hot Plate Size EVA mat Hot Pressing Machine / Vulcanization molding Machine

EVA mat vulcanizing machine is a device specially used for vulcanizing and molding in the production process of EVA (ethylene-vinyl acetate copolymer) pads. The following is a detailed introduction:

I. Structural composition

1. Frame part:

- Provides overall support and stability for the equipment, usually welded from high-strength steel.

- The design of the frame needs to consider the workload and running stability of the equipment to ensure that there will be no shaking or deformation during the vulcanization process.

2. Mold system:

- Upper mold and lower mold: designed and manufactured according to the shape and size of the EVA pad, the upper and lower molds are combined to form a closed cavity for accommodating EVA materials for vulcanization molding.

- Heating pipe or heating plate: installed inside or around the mold, transfers heat to the EVA material through conduction, convection or radiation, so that it reaches the temperature required for vulcanization.

3. Heating system:

- Heat source: can be electric heating, steam heating or hot oil heating. Electric heating usually uses electric heating tubes or electromagnetic induction heating, which has the advantages of fast heating and high temperature control accuracy; steam heating uses the thermal energy of steam and has relatively low cost; hot oil heating provides heat by circulating hot oil, which is suitable for high-temperature vulcanization.
- Temperature control system: including components such as temperature sensors, controllers and actuators, which are used to monitor and control the temperature of the mold in real time to ensure that the vulcanization process is carried out within the set temperature range.
4. Pressure system:

- Hydraulic cylinder or pneumatic cylinder: Provide the pressure required for vulcanization, so that the EVA material fits tightly in the mold and promotes the vulcanization reaction. The pressure can be adjusted according to different product requirements.
- Pressure control system: By adjusting the pressure of the hydraulic or pneumatic system, the vulcanization pressure can be accurately controlled. The pressure sensor feeds back the pressure value in real time, and the controller adjusts it according to the set value.
5. Control system:

- Electrical control system: It is composed of electrical components such as PLC (programmable logic controller), touch screen, relays, contactors, etc. to realize automatic control of the equipment. The operator can set the vulcanization parameters such as temperature, pressure, time, etc. through the touch screen and monitor the operating status of the equipment.
- Safety protection system: including emergency stop button, safety door, limit switch, etc., to ensure the safety of the equipment during operation. When an abnormal situation occurs, the safety protection system can stop the equipment operation in time to avoid accidents.

2. Working principle

1. Put the pre-mixed EVA material into the lower mold.

2. Start the equipment, and use the pressure system to lower the upper mold and close the mold with the lower mold to form a closed cavity.

3. The heating system starts to work and heats the mold to the set vulcanization temperature.

4. Under a certain temperature and pressure, the EVA material undergoes a vulcanization reaction and gradually solidifies and forms.

5. After the set vulcanization time, the heating system stops working, the pressure system raises the upper mold, opens the mold, and takes out the vulcanized EVA mat.

3. Advantages

1. High production efficiency: high degree of automation, can realize rapid mold closing, heating, pressurization and demolding operations, greatly improving production efficiency.
2. Stable product quality: precise temperature, pressure and time control ensures the stable vulcanization quality of EVA mats, high dimensional accuracy and consistent performance.
3. Convenient operation: touch screen control is adopted, the operation is simple and convenient, the parameter setting is intuitive and easy to master.
4. Strong adaptability: according to different EVA mat specifications and requirements, the mold can be replaced and the vulcanization parameters can be adjusted to meet the diversified production needs.

IV. Application scope

EVA mat vulcanization molding machine is widely used in the production of various EVA mats, such as yoga mats, sports mats, floor mats, insoles, etc. With people's emphasis on health and sports, the market demand for EVA mats continues to grow, and vulcanization molding machines are also constantly developing and improving to meet higher production requirements.