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Basic structure of vertical rubber injection machine
Release time
Sep 03,2021
What are the main features of vertical rubber injection machine?
1. The simplified process of vertical rubber injection machine can realize high temperature and rapid vulcanization of rubber products and shorten the production cycle.
2. The vertical rubber injection machine has the correct size, uniform physical and mechanical properties, and high quality. It is especially suitable for the molding and vulcanization of thick-walled products.
3. Simple operation, reduced labor intensity, high degree of mechanization and automation.
4. The mechanism of the vertical rubber injection machine syringe and its mold is more complicated, the investment is large, and the maintenance level is high, and it is mostly used for the production of large-scale molded products.
If the vertical rubber injection machine chooses the mechanical model according to the single quality of the plastic product (Note: the single quality of the plastic product needs to be 70% to 90% of the mechanical theoretical injection volume), this type of machine should be selected to produce this plastic product. When the quality of the plastic product is less than 40% of the theoretical injection volume of the machine, the use of the machine to produce the plastic product can reduce the equipment utilization rate of the machine and greatly increase the production cost of the plastic product.
2. vertical rubber injection machine clamping force, the public unit is tons;
In addition to the above two important parameters, the size of the device template is also an important parameter of the device.
The basic structure of vertical rubber injection machine:
1. Plasticizing injection unit: The plasticizing injection unit is the core part of the rubber injection machine, which plays a decisive role in focus burning, pinching, density uniformity and the convenience of rubber replacement.
2. Clamping device: The clamping device is the main part of the rubber syringe, which plays an important role in curing quality, output efficiency and operation.
3. Control system: The control system is the brain of the rubber syringe, which plays a decisive role in the accuracy, stability and energy consumption of the machine.
Protection: Protection is a necessary part of the rubber syringe, which has a guarantee effect on production. The design mainly considers the protection device of the equipment and the humanity of the production process from different angles such as the convenience, efficiency and habituation of the workers, and provides clear guidance for laying the foundation of production and development.
Several common rubber rolling properties Natural rubber has a large thermal form, low shrinkage, easy rolling, and easy attachment to the hot roller. The temperature difference between the rollers must be controlled to ensure smooth film transmission. Due to the small thermoplastic material and large shrinkage of styrene-butadiene rubber, the rubber used for rolling should be fully refined. Due to the high thermal sensitivity of styrene-butadiene rubber to rolling, the rolling temperature should be lower than that of natural rubber, and the temperature difference of each roller should be from high to low. Neoprene is a roller that is easy to bond under 75-95. It is difficult to push away. Low temperature method or high temperature method should be used. Rolling should be cooled quickly. Paraffin and hardened ester acid are mixed together to reduce roller sticking. Ethylene-propylene rubber has good rolling performance and can work continuously in a wide temperature range. When the temperature is too low, the rubber has large shrinkage and is prone to foam. Nitrile rubber has small thermoplasticity and large shrinkage. Adding fillers or softeners to rubber species can reduce shrinkage. When the weight of fillers accounts for more than 50% of the weight of raw rubber, a film with smooth surface can be obtained. Nitrile rubber can give a roller with small stickiness and small stickiness.
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