PU and Rockwool (Mineral Wool) Sandwich Panel Production Line

Construction
Our PU and mineral wool sandwich panel production line is mainly composed of uncoiler with coil feeding car, roll forming machine, caterpillar laminating machine, cut-to-length band saw, stacker and packing machine, etc. It also makes use of microcomputer controlled length and quantity counting device and onsite communication bus, allowing for reliable production and convenient operation. It is undoubtedly a perfect metal surface PU and rock wool sandwich panel machine.

A. Uncoiling system
B. Roll forming system
C. Preheating room
D. PU foam dispensing system/PU glue adhesive system
E. Double belt conveyer

F. Cutting machine
G. Stacking system
H. Packing system
I. Mineral wool cutting&feeding system
J. Mineral wool cutting&feeding system (Trapezoid)

Instruction

If you are looking for the manufacturer of PU and rockwool (mineral wool) sandwich panel production line, YONGMING is always at your service.

Our Advantages
YONGMING takes pride in manufacturing and selling sandwich panel machinery for 16 years, and our products have been highly praised by customers from Russia, Spain, Italy and other countries.

To cater for great market demand, we developed this PU and mineral wool sandwich panel production line in 2012 through applying special crafts. Different from common machines, our line boasts high automaticity and enables to produce sandwich panel of 300mm thick and with excellent heat insulation effect.

In contrast, the line manufactured by competitors from European countries only can produce panel of 150mm thick. Hence, it is apparent that YONGMING has absolute predominance in this industry, and our PU and rockwool sandwich panel production line is more preferred by countries located in low-temperature regions, such as Russia, Finland, etc. In addition, it brings you high production efficiency which is 3 times more than common lines, thus saving production time and cost for you. For large-scale manufacturers, this machine is strongly recommended.

Work Flow
This building material manufacturing equipment accommodates 3 types of work flow as below:

1. Liquid PU is poured between top and bottom steel sheets, and PU foaming takes place when the liquid PU is processed by PU foaming system and caterpillar laminating machine. Finally, solidified steel sheets are cut by cut-to-length band saw.

2. Rock wool or mineral wool is padded between top and bottom steel sheets by our PU and rockwool sandwich panel production line. After glue coating and laminating, core material is adhered to steel sheets. Finally, sandwich panel with required size is obtained after cutting and solidifying.

3. After padding top and bottom steel sheets with rock wool or mineral wool, glue coating, PU foaming and laminating are performed by sandwich panel line. Then, cut-to-length band saw is used to cut solidified steel sheets.

Technical Parameters
1. Running speed: 0-8m/min. (stepless variable-frequency speed regulation)
2. Overall dimension: 110m×16m×6.5m (customizable)
3. Installed power: 350KW
4. Production capacity:
a. Theoretical production capacity: 360m2 (M=KTV=1×60×6=360m2, 1000mm wide, 50mm thick)
b. Actual production capacity per hour depends on PU pouring volume as well as PU foaming and solidifying time. Generally, the production capacity of our PU and rockwool sandwich panel production line is 2-6m per minute.

Sandwich Panel

PU and rockwool sandwich panel
roof panel
PU and rockwool sandwich panel
wall panel
PU SANWICH PANEL ROOF
PANEL 1
PU SANWICH PANEL WALL
PANEL
Rockwool sandwich panel wall
panel
Rockwool sandwich panel wall
panel 2




Components



After delicate design, this hydraulic decoiler works by consuming the least amount of labor and time. Meanwhile, feedback control system is adopted to ensure that uncoiling speed is synchronized with roll forming speed.



When the width of steel plate exceeds desired width, edge cutting device is used to cut the superfluous part of steel plate. This device is unpowered, capable of passive cutting under the pulling force of steel plate. Maximum cutting width is 100mm, and produced scraps will be winded by automatic winder.



This roll former can be used to produce plug-in and hidden types of sandwich panel, ideal for refrigeration house construction.
Both ends of top and bottom steel sheets are processed in male and female joint shape, convenient for installation and splicing.



High-pressure rubber hose conveys liquid raw materials to mixing head, and after mixing, the materials are sprayed onto steel sheet in motion. The entire foaming system is controlled by a closed loop and supervised by PLC.



90-degree overturning mechanism enables to turn over 2400mm or 1850mm long rock wool strip.
Edge milling mechanism performs edge milling to ensure that rock wool panel meets corresponding requirement.



Its main body is connected by link plate of 1320mm wide, and main body length is 30m. Other lengths are also available. This building material production equipment is capable of top caterpillar band lifting via hydraulic cylinder and guide mechanisms.



During cutting, panels are compressed tight under the action of air cylinder above cutter rest.
Bandsaw is tensioned by mechanical device, and pressure display is available.



Our sandwich panel stacker adopts vacuum chuck for panel lifting, leaving no damage to panel. In addition to automatic panel stacking, it also comes with specialized rack to store unqualified panels. On the other hand, encoder for position detection is utilized to achieve neat and orderly stacking.




User Guide



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