SU1227738A1 - Apparatus for making non-woven material - Google Patents

Description

The invention relates to light industry, in particular to the production of nonwoven materials in an electrostatic field from polymer melts.

The purpose of the invention is to improve the quality of the material by increasing the uniformity of the material in thickness.

The drawing shows a diagram of an apparatus for making a nonwoven material.

The device contains a ventilated chamber 1, a horizontal precipitating electrode conveyor 2c driven, blocks of fiber-forming electrodes 3 located in the chamber above the conveyor electrode. Each block of electrodes 3 is mounted on the lower end of a corresponding dielectric rod 4, the upper end of which is mounted in hinges 5. Each block has a drive 6 that informs it of reciprocating movement in the direction perpendicular to the tension of the movement of the electrode- conveyor 2. The device also contains assembly 7 of the finished material winding 8. The blocks of fiber-forming electrodes and the electrode conveyor 2 are located in a ventilated chamber 1 isolated from the ground (not shown), while the electrodes 3 are connected by cable it is placed with the camera 1 source of high voltage and elastic conduits CONNECTION

Compiler R.Chikina Editor A.Lezhnina Tehred I.Popovich Proofreader A.Zimokosov

Order 2269/3 Circulation 410 Subscription,

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab, 4/5

Production and printing company, Uzhgorod, st. Project, 4

yen to the tank with a polymer solution (not shown).

The device works as follows.

The polymer solution from the tank is supplied to the capillaries of the fiber-forming electrodes and, under the action of an electric field created by a high voltage source between the fiber-shaped electrodes 3 and the grounded collecting electrode-conveyor 2, flows at a constant speed from the calibrated capillaries of the fiber-forming electrodes and is pulled out thin streams, which, when moving, dry out, forming ultrathin polymer fibers, which are deposited on the precipitation electrode, forming a fibrous layer on it.

The formation of the material 8 is carried out by creating a continuous reciprocating movement of the electrodes 3 and the movement of the conveyor 2. The material 8 is extended onto the reel of the node 7.

The fiber-forming electrodes can be grouped into rows, for example, with a pitch of 10-30 mm, a distance between rows of 30-60 mm.

The blocks of electrodes 3 can be installed at angles 0-90 to the direction of movement of the conveyor 2,

The electrodes 3 can change their direction of movement with a frequency of 10-50 times per minute.

Claims (1)

DEVICE FOR PRODUCING NONWOVEN MATERIAL, containing a ventilated chamber, a horizontal precipitating electrode-conveyor, a block of fiber-forming electrodes located in the chamber above the conveyor electrode, and a finished material winding unit, characterized in that, in order to improve the quality of the material, this increases the uniformity of the material according to thickness, the fiber-forming electrode block has a means for reciprocating its movement in a direction perpendicular to the direction of movement of the precipitating conveyor electrode.