The plastic crusher is also known as the plastic crusher in the injection industry. There are three major categories:
1) hard plastic shredder, this machine is suitable for crushing all kinds of small and medium sized plastic sheet.
1, ABS, PE, PP plate and other plate crushing recovery;
2, for the plate material crushing and the unique design of the long square type of feeding mouth, easy to break the strip type plate to improve work efficiency. It is possible to make full use of the recovery efficiency of the plate comminution recovery system composed of the optional fan and the storage barrel.
3, seal bearing is adopted to keep the bearing rotated for a long time. The design of the knife is reasonable, the product is evenly distributed, the cutter seat is heat shrinkable, the appearance design is beautiful and generous.
(two) strong plastic shredder:
1, the structure of the blade is between the claw knife and the flat knife, which is suitable for crushing the plastic products such as common sheet, pipe material, profile, plate and packing material.
2. The universal plastic pulverizer, adopting the seal bearing, keeps the bearing rotated for a long time.
3, design a reasonable knife, using steel blade, knife product granulating uniform, thermal processing, and through strict balance test, elegant appearance design;
(three) plastic pipe plastic shredder:
1. It is suitable for crushing and recovery of small and medium small plastic pipes, such as PE, PVC tube, silicon core tube, etc.
2. The circular pipe type feeding port specially designed for the crushing of the tube material is convenient for the long strip type pipe to be smashed and improve the working efficiency. It can make full use of the recovery efficiency by making a pulverizing recovery system composed of the optional fan and the storage barrel.
3, seal bearing is adopted to keep the bearing rotated for a long time. The design of the knife type is reasonable, the product is evenly distributed, the cutter seat is heat shrinkable, the appearance design is beautiful and generous.
The electrical part of the automatic packaging machine generally consists of the following:
a) Mechanical frame;
c) Robot grip device and drive cylinder;
a) The main control circuit consists of frequency converter, programmable logic controller (PLC) to form the control core;
b) Temperature control circuit consists of intelligent temperature control table (see below), solid state relays, thermocouple components and other components, accurate temperature control, intuitive display, easy setting;
c) by the photoelectric switch, electromagnetic proximity sensors to achieve multi-point tracking and detection;
With the improvement of automation, the operation, maintenance and routine maintenance of the packaging machine are more convenient and simple, reducing the professional skill requirements for the operators. The quality of the product packaging quality, directly with the temperature system, the host speed accuracy, tracking system stability is closely related. After the machine is running, the film mark sensor continuously detects the film mark (color scale), meanwhile the mechanical part tracks the position of the machine by the micro switch, the above two kinds of signals are sent to the PLC, and after the program operation, Is chasing), Y12 (anti-chase) to track the motor tracking the positive and negative, the packaging materials in the production process errors found in time and accurately give compensation and correction, to avoid the waste of packaging materials. If the test can not meet the technical requirements after tracking the preset number of times, it can be automatically shut down for inspection to avoid the generation of waste; due to the use of frequency control, significantly reducing the chain drive, improve the stability and reliability of machine operation, reducing the Machine running noise. To ensure that the packaging machine efficient, low loss, automatic detection and other multi-functional, fully automatic high-tech level. Although the application of automatic transmission system packaging machine function is relatively simple, but the dynamic performance of the transmission have higher requirements, the system requires faster dynamic follow-up performance and high speed accuracy.
1. Molding three ways
(1) VS molding heating, cooling through a vacuum.
(2) VN molding heating vacuum, cooling for the general cooling.
(3) N molding heating, cooling no vacuum process.
2. Raw material delivery
In the molding process, the raw material delivery points sub-material and feed two processes, the two processes are through the hopper. Automatic suction plate through the control of the choice of different rates of raw materials, automatic suction hopper, material level automatic control. Semi-automatic suction through the manual selection of different rates of raw materials, automatic suction hopper, material level automatic control. Atmospheric feed hopper pressure, through the mold gap, the material added to the cavity. Pressure feeding is the hopper pressure, the pressure is usually 1-2kg / cm2, no gap feeding. Vacuum feeding is no feeding gap, the use of raw materials into the cavity vacuum. 3. Heating
Molding machine can be heated left and right two modes, pressure control valve to control steam pressure, pressure 0.3 ~ l.Okg / cm2. Different machines, heating methods are not the same, the principle is different, but a variety of machines are provided for the direction of heating, the first heating from left to right, or from right to left, this point is very important to the machine operator .
Eps foaming machine foaming the basic principle is to introduce air into the foaming agent solution.A variety of models change is the introduction of gas in different ways, and the effect is also different.
Foam formation has two necessary factors, one is the solution of the foaming agent, the second is the air, both indispensable, there is no foaming agent solution, the liquid film surrounding the gas will not be formed, there is no bubble. Gas, a single foaming agent solution, the bubble can not form.
In the bubble formation system, the foaming agent solution is the dispersion medium, the gas is the dispersed phase, the gas is dispersed in the liquid, to form bubbles, and then composed of numerous bubbles foam .In addition to the foaming agent performance is an important factor, the introduction of gas Bubble solution is another important factor.And the gas into the liquid, you must rely on foaming machine to complete, that foaming machine using a certain method of gas into the liquid.