Glue pump | Two-component metering pump | Coating pump | Glue injection pump | Pulse-free glue pump

Polyurethane foam products are mainly used in the automotive, construction and furniture industries as fillers in their products or for shock absorption and insulation. Depending on the product, polyurethane foam products can provide different properties in some special applications. It can be soft and flexible when used in seat cushions, or hard and durable when used in insulation.
Industrial Challenges
In order to achieve the inherent properties, polyols and isocyanates must be mixed in precise proportions, allowing the materials to react with each other to form a honeycomb structure. By adding catalysts, drying agents, colorants and other additives, manufacturers can change or enhance the physical properties of foamed products to achieve special uses.
The quality of polyurethane foam products depends on the mixing ratio of polyol and isocyanate. Improper mixing ratios can result in uneven product texture and poor quality.
Another important factor is the viscosity of various polyols and isocyanates. Some polyols have high viscosities at room temperature and may contain abrasive colorants. In order to reduce its viscosity and facilitate transportation, the polyol needs to be heated or pressurized by nitrogen gas at the top of the tank. Isocyanates generally have lower viscosity than polyols but tend to crystallize when exposed to moisture. In order to prevent this situation from happening, a special shaft seal must be used in the pump.
Solution
Pumps used in the polyurethane foaming process are generally positive displacement gear pumps, which can transport highly viscous fluids at high temperatures and pressures. This high-precision pump delivers polyols and isocyanates precisely to ensure tight mixing ratios. The glue pump output is smooth and pulsation-free to maintain a high degree of consistency in the foam production process, and a special flushable double-lip shaft seal is used in the pump to prevent isocyanate from crystallizing in the shaft seal.
Gluing pumps are available in a variety of specifications and models to meet the needs of most polyurethane production processes, ensuring accurate batching and mixing under different process conditions.
How you benefit
Accurate batching glue pump output is accurate, pulsation-free and repeatable, ensuring accurate batching mixing and high consistency of product quality in polyurethane production.
Strong adaptability To maximize the adaptability of the batching ratio, each pump should use a separate drive system.
The following proportional control system can provide precise program control for two or more variable speed DC drives.
Improve quality Gluing pumps can ensure accurate mixing ratios. By using glue pumps, manufacturers of polyurethane products can greatly improve product quality.
Introduction Features
Precision gear pump technology has high measurement accuracy, reduces material waste, and improves product quality and production volume. Fully customizable, easy to operate and maintain.
High accuracy Under various conditions of temperature, viscosity and pressure, it can ensure stable and repeatable flow rate and high metering accuracy.
Stable flow, pulsation-free output. The unique design makes the flow output pulsation-free, eliminating unnecessary valves and buffer components, simplifying the system, reducing costs, and improving performance.
The control panel contains an electronic touch screen and operation interface for communication control signal transmission and reception. The unit starts and stops the metering system according to the program requirements. The flow rate and mixing ratio can be quickly and easily changed via touch
Flow range (/)< br/> Output pressure ( )
Viscosity range
, centipoise ( )
Operating temperature ~ degrees Celsius
Optional accessories include automatic cleaning, heat preservation device, explosion-proof motor, etc.
Controlled by a static mixer/glue gun,
Equipped with alarm signal and automatic shutdown.
Optional full automation, manual control
Programmable mixing formula,
Any mixing ratio, controlled by pump.
Application scope
Silicone oil | Polyurethane | Adhesive | Colorant | Paint | Coating | Polymer extrusion molding | Extrusion, etc.
Application cases
Automobile surface automatic spraying equipment And automatic color changing cleaning equipment,
, windshield robot automatic glue extruder,
, engine cover multi-point automatic glue extruder,
, gearbox housing robot automatic glue coating and supply Glue equipment,
, engine cover sealing strip,
, filter sealing strip spraying
, aluminum alloy door and window insulation strip
, electronic original dispensing
/>, glued copper foil
, and many other online precision measurement, glue coating, spraying production line applications
Gear pump structure
It is composed of three finely ground plate-shaped parts, and the material is hardened treatment, with good wear resistance, corrosion resistance and lubrication properties.
Advantages of glue pump
High precision. Under various conditions of temperature, viscosity, and pressure, it can ensure stable and repeatable flow rate and high metering accuracy. Stable flow, no pulsation in the output
Series universal type
Glue coating pump material
Universal type made of stainless steel/
Made of stainless steel and other materials/made of high-speed tool steel
Glue pump flow rate
Displacement (ml/rev) ||| Glue pump flow range
Up to ml/rev
Glue pump inlet pressure
Kg max
Glue pump outlet pressure
Kg max
Glue Pump pressure drop
(depends on viscosity)
Gluing pump temperature
The lowest negative degree and the highest degree (magnetic coupling has the highest sealing degree (depends on the shaft seal material)
Glue pump seal
Mechanical seal, lip seal, packing seal, magnetic coupling seal
Optional accessories
Servo motor control/ordinary AC motor drive/