Injection molding machine according to the production process of plastic products, plastic machinery plastic compounding machinery, plastic molding machinery, plastic secondary processing machinery and plastic processing auxiliary machinery or devices can be divided into four major categories. Plastic compounding machinery for various forms of plastic with the manufacturing of mixing and kneading machine, refining presses (open mill and mixer), pelletizing, screening machine, crusher and grinding machine. Plastic molding machinery, also known as plastic processing machinery for molding of plastic semi-finished products or articles, including compression molding machines, injection molding machines, extruders, blow molding machines, rolling machines, rotational molding machine, foam machine. Re-processing and post-processing of plastics secondary processing machinery for plastic semi-finished products, including thermoforming machine, welding machine, heat sealing machine, hot stamping machine, vacuum deposition machine, flocking machine, printing press. Metalworking machine tools commonly used in plastics secondary processing. Plastic processing auxiliary machinery or device for the rationalization of plastics processing, including automatic metering devices to feed, scrap automatic recovery unit, injection products automatically remove the device and quick-change device, injection mold, injection mold cooling machines, automatic thickness measurement device as well as raw materials transport and storage equipment. Such auxiliary machinery or devices, has become part of modern plastics processing Automation indispensable.

The degree of perfection of the injection molding machine is a direct impact on the quality, productivity and cost of plastic semi-finished products, and must be able to adapt the plastics compounding process temperature and stress changes, as well as the resulting molten material performance changes, and adapt to chemical corrosionand mechanical wear and other special conditions. In recent years, the development of plastic grades of specialization, the development of engineering plastics, the emergence of composite materials, plastic product structure large-scale, lightweight and thin technology requires plastic machinery reached: for fabrication purposes complete sets;-speed, labor-saving, automation to improve production efficiency of products; guarantee minimum error precision the degree of product specifications and quality; low energy consumption, small footprint, and operation and maintenance will be easy and safe.

Types of injection molding machine

A wide variety of plastic machinery. Processing is divided into three categories of extruders, injection molding and blow molding machines.

Injection extruder machine

The injection molding extruder is in the screw under the action of the molten plastic material by the extrusion of the fixed shape extrusion, cutting under the role of the traction machine, after water-cooling setting. Continuous production is mainly used for a large number of the same cross-section products, such as tube \ stick \ profiles, and can also be used for plastic modified granulation.

The basic mechanism of injection molding extrusion is simple – a screw in the cylinder rotation and put the plastic to move forward. The screw is actually a ramp or slope, is wound on the center layer. Its purpose is to increase the pressure in order to overcome the large resistance. One extruder, there are three kinds of resistance to be overcome: the solid particles (feed) of the friction and the screw on the wall of the cylinder to rotate the front laps (feed zone) the mutual friction between them; melt melt is pushed forward when the internal logistics in the adhesion of the cylinder wall; resistance.

Divided into single-screw extruder and twin screw extruder.

Injection molding machine

The injection molding machine is the molten plastic is injected into the mold after cooling products. Uses a very wide range of different plastics used is also different. The injection molding machine is used in the plastics processing industry the largest processing machinery, not only a large number of products
Injection molding machines available direct production, and it is composed of key equipment injection stretch blow process.


Injection molding machine

The injection molding machine control system features:
A famous factory advanced computer control;
Self-diagnosis fault function;
3. Direct input pressure, speed, time, trip, and temperature data;
4.LCD color LCD display;
5 centralized lubrication;
6. Pressure the coupling oil line to save power;
7.24 VDC hydraulic directional valve coil never damaged;
8 mold cooling water regulating means;
Electric control of 9.M.C.B. insurance;
10 advanced computer control system, large screen display, operation interface clean and easy-to-use, tube;
11 high-precision electronic ruler stroke control accuracy of up to ± 0.1mm;
12 by using a pressure, fuel feedback to improve the reproducibility;
13. Mechanical, electrical, hydraulic safety device, any circumstances to ensure the security of the operation (PD60-PD148 optional hydraulic);
14 by installing a superior position sensor to improve the reproducibility and operability;
15 using a closed-loop control of the control to achieve ultra-precision molding.
Also known as plastic machinery, plastic machinery for confirmation from the positioning of plastic and plastic. In the eyes of the industry, plastics and plastic is one thing. Previously, domestic factories called Plastic Factory, Hong Kong and Taiwan claimed Plastic Factory Plastic Company. At present, the number of foreign-funded enterprises in order to communication with foreign convenient, basically hanging ** plastic ** Limited brand.

Blow molding machine

The blow is a common method for manufacturing hollow thermoplastic products, the main product is a tube membrane and hollow container. Blow molding machine preform is plasticized by heating, and then into the mold, Blow molding, this method is mainly used for high-speed high-yield production of PET bottles and BOPP bottle, a two-step process; blow with combination of injection molding process injection stretch blow one machine, which is commonly used method for the production of PET container; combination of the blow molding process can be used with the extrusion process, to adapt to a wider range of extrusion blow molding equipment, capable of producing more products rich, including multi-layer composite films and all kinds of polyolefin hollow container products, widely used in food, pharmaceutical and cosmetics industries.


Blow molding machine

The production process of plastic products, plastic machinery plastic compounding machinery, plastic molding machinery, plastic secondary processing machinery and plastic processing auxiliary machinery or devices can be divided into four major categories. Plastic compounding machinery for various forms of plastic with the manufacturing of mixing and kneading machine, refining presses (open mill and mixer), pelletizing, screening machine, crusher and grinding machine. Plastic molding machinery, also known as plastic processing machinery for molding of plastic semi-finished products or articles, including compression molding machines, injection molding machines, extruders, blow molding machines, rolling machines, rotational molding machine, foam machine. Re-processing and post-processing of plastics secondary processing machinery for plastic semi-finished products, including thermoforming machine, welding machine, heat sealing machine, hot stamping machine, vacuum deposition machine, flocking machine, printing press. Metalworking machine tools commonly used in plastics secondary processing. Plastic processing auxiliary machinery or device for the rationalization of plastics processing, including automatic metering devices to feed, scrap automatic recovery unit, injection products automatically remove the device and quick-change device, injection mold, injection mold cooling machines, automatic thickness measurement device as well as raw materials transport and storage equipment. Such auxiliary machinery or devices, has become part of modern plastics processing Automation indispensable.

Blowing machine

Film blowing machine heat to melt the plastic particles blown film.
Film blowing machine for very many, PE, POF, and so on.
Blown out with a new particle is new material, color, both said, clean, good bag stretching.
It was also made of recycled plastic bags particles, such particles are generally called the old material, made of particles usually gray to add pigment, usually made bag is made uneven bag coloring, brittle and easily broken , the price is also lower.
Although the recycling of plastic bags, garbage plastic waste bags are generally bag making process and common sense there are still a lot of difference.

Composition

The composition of the film blowing machine by
1. Motor,
2.cylinder,
3.head,
4.dies,
5.v board
6. Pair of round,
7. Ping pulley,
8. Pair of round 2
9.wind nine parts
The raw LLDPE and LDPE temperature is 160 – 180 degrees
HDPE temperature is 210-230 degrees
The most important thing is that the blown film machine three factors
A: temperature (the temperature of the machine, the room temperature)
B: Second spirochete
C: Three cooling system

Blowing machine applications

Film blowing machine production is a film applied to a variety of high-end film packaging. This film because of its good barrier properties, preservation, moisture-proof, anti-frost, oxygen barrier, oil, and can be widely used for light and heavy packaging. Such as a variety of fresh fruits, meat, pickles, fresh milk, liquid beverage, pharmaceutical and other supplies.

Pet Plastic Machinery classification

Divided into in accordance with the intensity of mechanical size: large plastic machine, strong plastic machine, oversize plastic machine.
In accordance with the different objects fall into three categories: beverage bottle flakes washing machine, mineral water bottle flakes washing machine.
PET material is hard, so the relative PE PP film class of plastic, the plastic used mechanic different.
From the cleaning, dewatering, drying, granulation, in principle, have the gap.

Plastic machinery maintenance requirements

Plastic machinery in action which, for plastics machinery maintenance, and the care and maintenance but also by certain provisions to operate, so conducive to the operation of machinery and equipment, at the same time to maintain the corresponding equipment safety and technical performance requirements can effectively guarantee maximum security equipment and personnel. 1. Before the checking device in the equipment installation also by the respective member before installing check on the main steel structure for the various equipment components, bearings, bolts or the like in the case, at the same time for the parts of the surface Love
Plastic machinery in action which, for plastics machinery maintenance, and the care and maintenance but also by certain provisions to operate, so conducive to the operation of machinery and equipment, at the same time to maintain the corresponding equipment safety and technical performance requirements can effectively guarantee maximum security equipment and personnel.

1. Equipment check before installation
Equipment is also composed by the respective member before the installation, for each device parts inspection, checking the main steel structure, in the case of bearings, bolts, etc., for the parts of the surface at the same time whether or preservative, etc., this should be a good records to for later inspection.

2. Maintenance for equipment delivery
Normal operation of equipment, according to the rules and regulations to carry out the daily and periodic maintenance, routine maintenance is mainly responsible for cleaning, tightening, lubrication, adjustment, anti-corrosion, this is every day to check the periodic maintenance machinery and equipment in the prescribed time, the number of maintenance and repair, cleaning, lubrication, adjustment, disintegration, overhaul centric content.

3. Overhaul requirements
Overhaul of the equipment is to explain the loss of this equipment grinding very serious or very serious damage to the mechanical performance dropped significantly, this time for a major overhaul, such as the dynamic performance of the machine significantly reduced fuel consumption increased manipulation is not working, the sound conditions the abnormal or equipment can not play a normal production performance, taken a comprehensive a thorough recovery repair means, this time, it should be in accordance with the regulations overhaul arrangements for the good progress of the work.

4. Equipment scrapped
Performing the overhaul process, there may be scrapped by maintenance professionals responsible for the implementation, have a record, there is acceptance. For more than and close to the life of the equipment before installation should provide overhaul proof of acceptance, while making the end-of-life record.