Product Details
Dual Rotor Single - Hydraulic Down Pressure Rubber Kneading Machine
Single - Hydraulic Pressure Rubber Kneading Machine
I. Introduction
A single - hydraulic pressure rubber kneading machine is a crucial
piece of equipment in the rubber processing industry. It is
designed to mix and knead rubber compounds with various additives
to achieve a homogeneous mixture. The hydraulic pressure system
provides the necessary force to ensure efficient and effective
kneading of the rubber materials.
II. Working Principle
- Mixing Chamber Operation
- The rubber and additives are placed in the mixing chamber. The
chamber is a closed space where the kneading process takes place.
Inside the chamber, there are usually two rotors that rotate in
opposite directions. As the rotors turn, they cut, fold, and knead
the rubber material. The shape of the rotors, often with a helical
or serrated design, helps to create a complex flow pattern of the
rubber mass, which is essential for the dispersion of additives and
the breakdown of rubber agglomerates.
- Hydraulic Pressure Application
- The single - hydraulic pressure system exerts a downward force on
the ram (a movable part that presses down on the material in the
mixing chamber). This pressure is transmitted to the rubber
material and additives in the mixing chamber. The pressure helps to
improve the contact between the different components, enhancing the
shearing and kneading action of the rotors. It forces the rubber
and additives to be in closer contact, which is crucial for the
uniform dispersion of fillers, such as carbon black, and chemicals
like accelerators and antioxidants into the rubber matrix.
III. Structure and Components
- Mixing Chamber
- The mixing chamber is typically made of high - strength steel. The
inner surface of the chamber may be coated with a non - stick
material such as a special alloy or a polymer coating to prevent
the rubber from adhering to the walls. It has a certain volume,
usually ranging from a few liters to several hundred liters,
depending on the capacity of the machine. The chamber may also have
a temperature - control system, such as a jacket through which a
heating or cooling medium can be circulated to maintain the desired
temperature during the kneading process.
- Rotors
- The rotors are the key components responsible for the actual
kneading action. They are usually made of alloy steel for high
strength and wear - resistance. The design of the rotors can vary,
but they often have a helical or lobe - shaped structure. The size,
shape, and number of lobes determine the kneading characteristics
of the machine. The rotors are driven by an electric motor through
a gearbox, which allows for precise control of the rotor speed.
- Hydraulic System
- The hydraulic system consists of a hydraulic pump, a reservoir,
hydraulic cylinders, valves, and pressure sensors. The hydraulic
pump draws hydraulic fluid from the reservoir and pressurizes it.
The pressurized fluid is then directed to the hydraulic cylinder
that controls the movement of the ram. The valves are used to
regulate the flow of hydraulic fluid, allowing for the adjustment
of the pressure and speed of the ram's movement. The pressure
sensors monitor the pressure in the system and provide feedback to
the control unit to ensure that the desired pressure is maintained.
- Control System
- A modern single - hydraulic pressure rubber kneading machine is
equipped with an advanced control system. The control system can
adjust parameters such as rotor speed, hydraulic pressure, and
mixing time. It may have a touch - screen interface that allows
operators to set and monitor these parameters. The control system
also includes safety features such as emergency stop buttons and
overload protection to prevent damage to the machine and ensure the
safety of the operators.
IV. Advantages
- Efficient Kneading
- The combination of rotor action and hydraulic pressure results in
efficient kneading of the rubber material. The pressure helps to
break down large rubber agglomerates and ensures the uniform
distribution of additives, which can significantly reduce the
kneading time compared to machines without hydraulic pressure.
- High - Quality Mixture
- The ability to apply precise hydraulic pressure leads to a more
homogeneous mixture of the rubber compound. This results in better
- quality rubber products with consistent physical and chemical
properties, such as tensile strength, hardness, and elasticity.
- Versatility
- These machines can handle a wide range of rubber materials and
additives. They can be adjusted to different mixing requirements
for various rubber products, such as tires, rubber hoses, and
seals.
V. Applications
- Tire Manufacturing
- In the tire - manufacturing process, the single - hydraulic
pressure rubber kneading machine is used to mix the rubber
compounds for different parts of the tire, such as the tread,
sidewall, and carcass. The high - quality mixture produced by the
machine is essential for the performance and durability of the
tires.
- Rubber Hose Production
- For rubber hoses, the machine is used to mix the rubber with
additives to achieve the desired flexibility, strength, and
resistance to chemicals and abrasion. The uniform mixture ensures
that the hoses have consistent quality and performance throughout
their length.
- Seal and Gasket Manufacturing
- In the production of seals and gaskets, the single - hydraulic
pressure rubber kneading machine is used to create a homogeneous
rubber compound that can provide effective sealing and resistance
to different environmental conditions, such as temperature and
pressure.
Main technical parameters:
Model | X(S)N-3x32 | X(S)N10x32 | X(S)N20x32 | X(S)N35 x30 | X(S)N55x30 | X(S)N75*30 | X(S)N110x30 | X(S)N150x30 | X(S)N200x30 |
Total volume of mixing chamber (L) | 8 | 25 | 45 | 75 | 125 | 180 | 250 | 325 | 440 |
Mixing chamber working volume( L) | 3 | 10 | 20 | 35 | 55 | 75 | 110 | 150 | 200 |
Main motor power (kw) | AC5.5 | AC15 | AC37 | AC55 | AC75 | AC110 | AC185 | AC220 | AC280 |
Rotor speed (r/min) | 32/25.8 | 32/25 | 32/27 | 30/24.5 | 30/24.5 | 30/24.5 | 30/24.5 | 30/24.5 | 30/24.5 |
Flip Angle | 135 | 140 | 140 | 140 | 140 | 140 | 140 | 140 | 140 |
Flip motor power (kw) | 0.55 | 1.1 | 1.5 | 2.2 | 3 | 4 | 7.5 | 11 | 11/15 |
Compressed air pressure( Mpa) | 0.5-0.8 | 0.5-0.8 | 0.6-0.8 | 0.5-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 | 0.6-0.8 |
Cooling water pressure (Mpa) | 0.2-0.4 | 0.2-0.4 | 0.2-0.4 | 0.3-0.4 | 0.3-0.4 | 0.3-0.4 | 0.3-0.4 | 0.3-0.4 | 0.3-0.4 |
Heating steam pressure Mpa | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 | 0.5-0.8 |
Dimensions (mm) | 1660x960x1750 | 2580x1300x2280 | 2630x1520X2550 | 3200x1900x2950 | 3280x1930x3070 | 3330x2200x3340 | 3930x2800x3660 | 4200x3300x3900 | 4520x3400X4215 |
Weight (t) | ~2 | ~3.3 | ~4 | ~6.3 | ~7.5 | ~10.3 | ~15 | ~19.5 | ~22.5 |
Company Profile
Qingdao Beishun Environmental Protection Technology Co., Ltd. is
engaged in Environmental protection machinery, rubber machinery R
& D and manufacturing enterprises, located in the west coast of
Qingdao ---- Jiaonan city, Qingdao Economic and Technological
Development Zone, adjacent to the former Bay near Qingdao Port and
International Airport Jiaodong airport, excellent geographical
location.
The company gathered a large number of the industry's outstanding
technical and management personnel, advanced machining, heat
treatment equipment and sophisticated detection equipment. With
high-quality service, advanced equipment and strong technical force
as the basis, through constant innovation and development, Beishun
Environmental Protection Technology machinery has many customers at
home and abroad to establish a stable business relationship, and
gradually establish a brand in the same enterprise.
Companies adhere to the "first-class quality to gain market
confidence, quality service to win customer satisfaction,
continuous improvement of enterprise development seek to establish
a corporate brand management excellence" business philosophy, in
terms of quality, brand and work hard to achieve the strategic
goals of common development.
Qingdao Beishun Environmental Protection Technology Co., Ltd. will
carry forward the "realistic, innovative, rigorous and efficient"
business style, good governance, integrity first, with a high sense
of responsibility "in customer service, service to the community",
with industry colleagues mutual benefit, for a better tomorrow.

