Ramella logo Textile machines producers



Picker FIBER OPENING AND PREPARATION

The picker mechanically disentangles and opens the fiber mass after scouring.
Fiber opening is achieved by a rotating cylinder with long pins that comb through the fiber tufts delivered by the inlet rollers.
The opened fiber is then transferred to a collection site.

Fiber opening improves the efficiency of carding and begins the blending process for mixed fiber types or colors.
In addition, opening the fiber tufts helps to remove impurities such as dust and vegetable matter.



PICKER - FIBER OPENER Fiber opener


The Ramella picker is designed to achieve high productivity with compact dimensions.

This machine consists of two independent parts connected by a fan and a transparent tube, which transports the fiber from the opening chamber to the collection room.

The fiber is fed into the machine by means of a long conveyor and the material is slowly introduced into the machine by a solid input unit while a fast-moving, pinned cylinder opens the fibers.

The opened fibers are then carried through a transparent plastic tube by means of a centrifugal fan, and the material is blown into a ventilated big bag that can be easily removed from the storage room.


PINNED ROLLER Pinned roller

The primary working unit of the Ramella opener is a roller equipped with thousands of pins that rotates at high speed (900 rpm).
Straight pins of hardened steel are placed on wooden lags and fully cover the cylinder surface.
The cylinder is balanced to prevent vibrations and its internal structure is made entirely of steel.

The input unit is composed of two feed rollers, which introduce the fibers evenly into the machine.
These features allow the fiber to be opened quickly without breakage.


REMOVAL OF IMPURITIES AND DEDUSTER Dust removal

As the opened material exits the roller compartment, it is drawn through an adjustable perforated grid.
This impact, combined with the centrifugal force created by the fan, helps to separate impurities from the fiber.

As the fan blows the fibers into a ventilated big, the resulting air current forces the dust through the perforated mesh of the bag.
A filter captures the air-borne particulates, preventing them from being dispersed into the environment.




CENTRIFUGAL FAN WITH DOUBLE CONFIGURATION Picker blower

To promote the removal of dust and impurities the picker includes a powerful 2.2 kW centrifugal fan with blades that are specifically configured to convey the fibers without allowing them to wrap around the rotating shaft.
The ventilation system can be configured in two modes: compression and aspiration.
The first configuration maximizes dust removal, while the second configuration minimizes wear of the fan.

The unique Ramella fan-and-tube system also allows custom placement of the collection room so it can be located where it is most convenient. Unlike other pickers, which require construction of a collection room, the Ramella collection room is included with the picker machine and is easy to assemble.


HANDY STORAGE SYSTEM Fiber storage

The opener is equipped with an aluminum-framed fiber collection room with a large access door and transparent walls on all sides. Coupled with the clear plastic tube input, this allows complete visibility of the fibers throughout the process.

The fibers are directly collected in a big bag (100 x 100 cm, H = 150 cm) and are immediately ready for further processing.
All big bags are constructed with a fine mesh fabric to allow both fiber ventilation and dust removal.

With the picker, we include many big bags of two different sizes. Insertion of the bags into the collection chamber is quick and easy.
Furthermore, each bag has a simple top closure, allowing the fiber to be stored in the bag until ready for further processing.


Fiber opener from top THE RAMELLA DIFFERENCE

A solid and stable structure that is built to last and allows the pinned roller to rotate at high speed with minimal vibrational movement. This ensures both a quality end product and reduced wear of the machine.

A pinned roller equipped with thousands of pins of quality, hardened steel.

A long input conveyor with side borders for consistent fiber feeding.

Redundant systems to remove impurities: the adjustable slotted grid under the pinned roller, the centrifugal fan, and the ventilated big bag.

An easy-to-assemble collection room.

Ventilated big bags, easy to attach and remove, can be used both for fiber collection and for fiber storage.

The safety cage and safety devices are compliant in every country.

All motors are controlled by inverters, which allow the user to optimize the processing speed with respect to the fiber type.



SOLID STRUCTURE - ALL MACHINED PARTS Picker structure

The opening of textile fibers requires solid structures that can withstand the forces generated during the process. No other brand can match Ramella’s quality for the price.

The Ramella opener is supported by a fully machined, 4 cm (1.6'') thick steel frame connected by solid steel crossbeams.

All surfaces are painted or chemically treated to resist corrosion and ensure a long machine life.


INDEPENDENT MOTORS DRIVEN BY INVERTERS Control panel

The opener is driven by two independent motors plus the centrifugal fan, and each of these motors is electronically controlled by 3 separate inverters.
With this configuration, it is possible to independently change both the inlet speed and the pinned roller speed with the simple twist of a dial.
This flexibility allows the user to easily adjust the relative picking force in order to optimize the process for different fiber types and staple lengths.

The electronic devices are contained in an electric panel with filtered ventilation to protect sensitive electronic parts.
The control dials are easily accessed on the outside of the panel and the speeds are indicated on large displays.
A button panel placed on the feeding table enables an easy start and stop of the machine from the fiber loading site.


ALUMINUM PROTECTIVE CAGE Safety cage

To provide maximum security our opener is fully protected with an external safety structure supported by aluminum.

The machine is enclosed by polycarbonate panels with high transparency to allow containment of the dust generated during the process while still permitting the full view of the machine during operation.
In addition, the panels can be easily removed for machine cleaning and maintenance.


CAD DESIGN - INDUSTRIAL MANUFACTURING CAD design

Every single detail of the Ramella opener has been designed using modern 3D CAD.
All of the components have been designed to obtain a high-performance machine with an excellent quality/price ratio.
Even the electric panel has been designed in order to make the use of the picker simple and intuitive.
We use CNC lathes, milling machines and modern laser cutters in the production of the picker components that we make in-house.
The steel used is of premium quality and all of the commercial components come from suppliers with well-known brands.


PRODUCT SPECIFICATIONS Product specifications

Electric specifications:

Power consumption: 5.5 kW
Single phase 230V 50/60Hz (customizable)

Size (length x width x height):

Picker: 2570 mm x 1240 mm x 1350 mm (101'' x 49'' x 53'')
Storage room: 2540 mm x 1260 mm x 2400 mm (100'' x 50'' x 94'')
Air blower: 500 mm x 500 mm x 600 mm (20'' x 20'' x 24'')

Download layout (pdf version)



DEMONSTRATION VIDEO

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