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Working principle of automatic disc type plastic injection molding machine

* 來源: 毓豐機械 * 作者: admin * 發表時間: 2020-04-08 15:14:50 * 瀏覽: 0
Working principle of automatic disc type plastic injection molding machine:  
一、Lianbang injection molding machine is a kind of fully automatic disc type plastic injection molding machine in shoemaking enterprises. It is a common equipment in shoemaking enterprises, called electric tiger. China is a big shoemaking country with a large number of shoemaking equipment. The mechanical characteristics of automatic disc type plastic injection molding machine (hereinafter referred to as disc machine): 
1. This machine is specially used to produce all kinds of high-grade single color, double color and three color sports shoes, leisure shoes sole, men's and women's shoes sole and other products. 
2. Raw materials are suitable for the production of foaming and other thermoplastic raw materials, such as PVC, TPR and so on. 
3. This machine is controlled by computer program (single chip microcomputer, PLC). The main and auxiliary machines are controlled accurately. The operation is simple and the maintenance is easy. 
4. With the design of pressure switch, the master cylinder can quickly close the mold and establish the clamping force, so that every molding can not afford burr, and ensure the product quality.
5. Proportional pressure control, each mold injection pressure independent operation, suitable for different injection volume of product manufacturing. 
2、 Power saving principle of disc machine2、 Power saving principle of disc machine Because the disc machine has a very violent mutation process in the working process, the impact on the machine is very large, which affects the life of the whole injection system. At present, there are a large number of old equipment in domestic shoemaking enterprises, with low automation and high energy consumption. Generally, machines are designed according to the maximum production capacity. In fact, they can't use that much power in production. The rotation speed of the oil pump motor remains unchanged, so the output power is almost the same. There is the phenomenon of large horse pulling small car in production. So a lot of energy is wasted. We use the variable frequency operation technology of the disk machine. The real-time detection of the frequency converter comes from the pressure and flow signals given by the computer board of the disk machine. The pressure or flow signals of the disk machine are 0-1a. After internal processing, different frequencies are output to regulate the speed of the motor, that is, the output power and the pressure and flow synchronous automatic tracking control, which is equivalent to that the quantitative pump has become an energy-saving variable pump, The power matching between the original liquid pressure system and the whole machine can eliminate the loss of high pressure overflow energy of the original system. It can greatly reduce the vibration of mold closing and opening, stabilize the production process, improve the product quality, reduce the mechanical failure, extend the service life of the machine, and save a lot of electric energy.
3、 Features of frequency conversion and energy saving 
1. Simple operation, synchronous operation with the disc machine, without any adjustment; 
2. High reliability: keep the original control mode and oil circuit of the disc machine unchanged; adopt the power supply / power saving operation control mode, so as not to affect the production in case of failure; 
3. Soft start: reduce machine vibration, extend service life of equipment and mould; effectively reduce noise, improve working environment; reduce system heating significantly, stabilize oil temperature; extend service life of sealing components, reduce shutdown maintenance rate, save a lot of maintenance costs, and increase installed capacity of transformer; 
4. High rate of return: all investment will be saved and recovered through electricity charge for about 6-12 months. 
4、 Ruian Yufeng Plastic Machinery Co., Ltd. has provided high-quality and efficient shoemaking equipment for China's domestic shoemaking enterprises, and won effective competition in the same industry for shoemaking manufacturers in the increasingly competitive market.