SU706289A1 - Apparatus for making packages of heat-sealable web, filling them with loose materials and sealing - Google Patents

Description

(54) DEVICE FOR MANUFACTURING, ACCESSORIES

BULK MATERIAL AND SEALING OF PACKAGES

FROM TAPE THERMAL ADHESIVE MATERIAL

one

The invention relates to a packaging technique, and more specifically to a device for the manufacture, filling of bulk materials and sealing bags from heat-sealing tape material.

The closest solution to the Described invention to the technical essence and the achieved result is a well-known device for manufacturing, filling with bulk material and s; apechas; communicated with a vacuum system and an endless elastic band covering the drum on the periphery, an endless conveyor partially covering the drum, two ru holders, cup and cutting devices flj.

In the known device, the formation of the measuring capacity is carried out at the moment of passing under the loading drum. The product under the influence of overpressure enters the formed space. At the same time, the filling time of the measuring capacitance is reduced, which makes it possible to increase the angular velocity of rotation of the drum with measuring capacitance. In this connection, the dosing accuracy is reduced.

The material gets into the place of heat sealing, which means that the finished packages are covered.

The purpose of the claimed invention is to increase the productivity of the device and the accuracy of dosing of bulk material.

This is achieved by the fact that in the proposed device the bunker is installed directly above the drum with the formation of a gap sufficient to accommodate the tape of the heat-sealing material, and the infinite elastic tape is made with holes.

The drawing shows a device for making, filling with bulk material and sealing bags of thermal tape material, a general view.

The device contains a booker 1, a metering drum 3 mounted on a horizontal shaft 2, an endless transgyur ter 4, roll holders 5 bb, a welding and cutting device and a drive.

The dosing drum 3 has on the periphery of the cell 7 with openings, along with the vacuum system (not current,: zana in the drawing), and enveloped on the periphery with an endless elastic band 8, which is made with openings (not shown) . The endless conveyor 4 partially engages the drum 3.

The hopper 1 is installed directly above the drum 3 with the formation of a gap (not shown in the drawing), sufficient for the passage of the tape of heat-sealing material,

The welding device is made in the form of a pair of heat sealing rollers 9, and the cutting device is also formed by a pair of rollers with knives 1.0.

The device is mounted on station P and equipped with a vacuum pump. ..

The drive includes an electric motor 13, a gearbox 14 and a belt drive 15.

The device works as follows.

A tape of heat-sealable material from the roll holder 5 is filled between the hopper 1 and the dosing drum 3, and the tape from the roll holder 6 is fed from above.

From the electric motor 13, through rotation gear 14, by means of a belt drive 15, rotation is transmitted to the metering drum 3. During the passage of the drum cells 7 under the hopper I, their internal cavity communicates through the channels (not shown) of the metering drum with vacuum pump 12. The endless elastic band 8 with the tape of heat-sealing material adjacent to it, it is drawn into the cells 7 of the drum and forms measured containers, into which, under the influence of gravitational forces and forces of excessive atmospheric pressure, it falls into the spacer Pyemmy material. Then, the measuring containers exit the loading chamber and the tape from the roll holder 6 and covers them, and the conveyor 4 presses against the drum 3.

Upon further rotation of the drum 3, the vacuum is discharged into its internal cavities, while the belts from both roll holders emerge into the horizontal section of the transgürtsra, and the rollers 9 form long and lateral seams along the edges between doses of bulk material. Knives 0 tapes are cut into plets in the middle of the transverse seam.

The described device, in comparison with the well-known technical solution of the same problem, provides an increase in productivity while simultaneously increasing the metering accuracy by increasing the angular velocity of rotation of the metering drum, without mixing the material of several doses when pouring out of the measuring capacity, because the bulk material is drawn from measuring container under mechanical action of a tape of heat-sealing material and packaging material tape, pressed along the edges to the metering drum transporter. The loading of the measuring containers occurs both under the action of gravitational forces and forces of excessive atmospheric pressure, which ensures the dust-free packing (there is no air in the measuring container) and speeds up the loading process. The holes in the elastic material contribute to a better fit of the tape of heat-sealing material to the walls of the measuring container.

Claims (1)

Invention Formula Apparatus for manufacturing, filling with bulk material and sealing bags of thermal tape material containing a hopper, a metering drum mounted on a horizontal shaft with a periphery dosing cell having openings communicated with a vacuum system and an endless elastic band covering the periphery of the drum, an endless conveyor partially covering the drum, two roll holders, welding to a cutting device, characterized in that, in order to increase productivity and accuracy zirovani, the hopper is mounted directly above the drum to form a gap sufficient for the passage of tape termoskleivayuschegos material and is endless elastic belt is apertured. Sources of information taken into account in the examination I. Patent of Germany No. 1294885, cl. 81 a 1, pub. 1970.