UA43883C2 - DISPENSER FOR BULK AND FIBER PRODUCTS - Google Patents

Abstract

This weigher for free-flowing bulk and fibrous products relates to loading devices that are functionally designed for packing, by volume, the said products by action of gravity using rotary feeders with measured vessels. The technical result of this invention is improvement in weigher operational characteristics. The central axle 12 and the top disk of the weigher are constructed as moving parts. The rotary table with feeders contains the concentric internal 20, 23 and external 18, 19 cylinders that are radially divided by the rigid ribs 22 and П-shaped blades 24 into sector measured vessels, and vertically divided into upper and lower parts with a possibility of their relative telescopic movement required for adjusting the measured vessel volume. The upper part is kinematically connected with the drive motor for stepwise rotation of the rotary feeders.

Description

The invention relates to hopper-loading devices, functionally intended for packing loose and fibrous products by volume under the influence of gravity using rotating carousel feeders with measuring containers.

A well-known analog is a device for dosing bulk materials, which contains a hopper with an outlet nozzle, an intermediate container with a shaker, a moving disc with measuring cups mounted on it, covered at the bottom by a stationary disc with a discharge nozzle (see the description of the invention of the USSR to the JSC,

Me1634571I, class B 65 B 1/10, 1988).

During the operation of the device, the product poured into the hopper falls through the outlet pipe into the intermediate container, is stirred, poured into the measuring cups of the moving disk, and further, the already dosed product enters the packaging container through the discharge pipe of the stationary disk,

The disadvantages of the analogue are the complication of the kinematics of the device with the construction of a drum shaker and the limitation of the functional capabilities of the device with one constant dose of the product.

A device for dosing small bulk products is also known, which contains an inclined central drive shaft, a fixed hopper concentric to it with an outlet opening in the form of an open bottom, a movable disk with cylindrical measuring cups telescopically extended in the upper part with additional cups mounted with with the possibility of axial movement, and instead of a lower disc with a discharge nozzle, the bottom of the cups is covered by hinged flaps that rotate together with the cups on the drive shaft, (see the description of the invention

USSR to A.S. Me1430309, class V 65 V 1/06, 1985).

During the operation of the device, the product poured into the inclined hopper occupies a horizontal level, which ensures the free fall of the product into the lower measuring cup of the moving disk, but prevents the product from falling into the diametrically opposite upper cup. A cup filled with a dose in the lower position, rotating with a disc, carries a dose of the product to the upper position and here, through the valve at the bottom of the cup, which is open in this position, the product is poured out. At the same time, the telescopic movement of the cylindrical cups allows you to reconfigure the device for different doses of the product, which expands the functionality of the device in compared to the first analog.

The disadvantage of the closest analogue is a number of structurally determined operational inconveniences: firstly, the bottom of the cups, represented by hinged flaps, rotates together with the cups themselves, which makes it difficult to directly connect the device to the container for the dosed product; secondly, the cylindrical design of the telescopic glasses leads to the loss of a significant volume around the central shaft, which leads to a forced overestimation of the dimensions of the device; thirdly, due to the inclined position of the hopper and the need to withstand the vertical difference in levels between diametrically opposite glasses, the volume of filling the hopper with the product is limited and there is a need for its frequent refilling.

The problem to be solved by the invention is to improve the operational qualities of the dispenser for loose and fibrous products.

To solve the task: the proposed design of a dispenser for loose and fibrous products along with the essential features characteristic of the closest analogue, such as a hopper with an outlet pipe, an upper disk under the hopper, installed concentrically to the central axis of the moving carousel of feeders with telescopic measuring containers, and installed with the possibility of axial movement, the lower disc with the unloading nozzle contains new essential features that differ from the closest analog, namely: the central axis and the upper disc are fixed, the outlet nozzle of the hopper is connected to the upper disc through an opening in the form of a ring sector, a carousel of feeders made in the form of inner and outer cylinders concentric to the central axis, horizontally divided into lower and upper telescopically coupled parts, the lower part radially divided into sectoral measuring containers by fixed ribs connected to vertical grooves made in the walls of the inner and of the outer cylinder of the upper part, and the upper part, accordingly, is radially divided by stationary U-shaped blades, connected by slots with the mentioned ribs with the possibility of their mutual vertical movement, while the inner cylinder of the upper part is kinematically

ASSOCIATED with the step-by-step rotation drive of the feeder carousel, and the U-shaped blades are offset downwards from its upper end.

The bulk or fibrous product loaded into the hopper, through the outlet pipe and the hole in the upper disk with the contours of the ring sector, falls immediately into several sector measuring containers of the carousel of feeders pre-adjusted to the required dose. This adjustment is facilitated by the possibility of mutual movement of both the cylinders of the lower part relative to the upper part and the ribs relative to the U-shaped blades. The rotation step of the carousel of the sector measuring containers relative to the fixed upper and lower discs corresponds to the coverage angle of each of the identical sectors. From the sector, which is located above the unloading nozzle, the product enters the packaging container through it. The gap between the upper disc and the U-shaped blades during the stepwise rotation of the sectors contributes to the shaking of fibrous products from the upper edge of the U-shaped blades into the measuring containers, i.e., it gives the U-shaped blades the properties of the previous sifting product at the entrance to the feeder carousel.

Therefore, the new set of essential features, in comparison with the closest analogue, increases the operational qualities of the device, i.e. the stationary discharge nozzle enables direct connection to the packaging container device, the execution of measuring containers in the form of sectors allows compactly filling the volume of the feeding carousel around the central axis, and the absence of an inclination of the hopper helps to increase the product stock in it and eliminates the need for frequent refilling.

The essence of the invention is explained by the drawings, where: Fig. 1 shows the general view of the dispenser for loose and fibrous products; Fig. 2 is an axial section of the feeding carousel; in Fig. 3 - a section along the arrow A-A in Fig. 2; in Fig. 4 - section along the arrow B-B of Fig. 3.

A vertical column 2 and a hinged pedal 3 are installed on the base 1 (Fig. 1), connected through a rod 4 and a system of mutually perpendicular levers 5 and b to the carrier 7 (Fig. 2), giving the latter the ability to perform a reciprocating movement in constant angle range, for example, 60", with one push and release of the pedal 3. The guide 7 is hingedly connected to the dog 8, which forms a ratchet mechanism with a gear 9 made from below on a sleeve 10, installed through bearings 11 on a fixed axis 12 coaxially column 2. A bracket 13 is immovably attached to column 2, coupled by a smooth hole with a screw 14, fixed on both sides in the bracket by a pair of nuts 15. From above, the neck of the screw 14 is rigidly connected to the lower disc 16, based on the central hole on the sleeve 10 with the possibility of vertical mixing along it with the screw 14 and with the same fixation from rotation, the peripheral window of the lower disk 16 is extended by the discharge nozzle 17. The disk 16 immovably limits the carousel of the device’s supply from below, which is consists of the telescopically coupled lower and upper parts of the outer cylinders 18 and 19 and the inner cylinders 20 and 21. The space between the cylinders 18 and 20 of the lower part is radially divided by vertical ribs 22 into identical sectors (Fig. 2, C and 4), while the ribs are rigid connect cylinders 18 and 20 along the entire height from the lower to the upper end. Cylinders 19 and 21 of the upper part are made with vertical grooves 23, coupled with ribs 22 with the possibility of their mutual movement when telescoping the lower part of the cylinders relative to the upper part. The space between the cylinders 19 and 21 of the upper part is radially divided into sectors by the ribs 22 by U-shaped blades 24, connected by slots to the ribs 22 with the possibility of their mutual vertical movement, while the U-shaped blades 2,4 rigidly connect the cylinders 19 and 21 from their lower end at a height not reaching the gap b (Fig. 2) to the upper end, and the openings of the blades 24 radially coincide with the grooves 23. The cylinder 21 is immovably connected to the bushing 10 from above, the end of which through the washer 25, resting on the immovable the bearing ring 11, the upper disc 26, which is immovably fixed by the central hole, is pressed with a nut 27. The upper disc 26 immovably limits the carousel of the device from above. On its periphery, a hole (Fig. 3) is made in the form of a ring sector, with the contours of which the outlet pipe 28 of the hopper 29 is rigidly connected.

The dispenser for loose and fibrous products is used as follows:

Previously, operating with nuts 15 and screw 14 (Fig. 2), adjust the telescopic feed carousel to the required dose of the product, while resting on the lower disk 16, the lower part of the feed carousel will move vertically relative to the upper part of the feed carousel attached from above to the sleeve 10, changing vertically the volume of sector measuring containers. The hopper 29 is filled with the product, which, through the output pipe 28, will simultaneously fill the three sector measuring containers under the hole in the form of a ring sector (Fig. 3). Pedal Z (fig. 1) is pressed, while the carrier 13 (fig. 2) through the ratchet mechanism of positions 8 and 9 will turn the bushing 10 to an angle of 60", which corresponds to the angle of the sector of one measuring container. With the bushing, the upper part attached to it will turn part of the feeding carousel together with the lower part of the feeding carousel, which is telescopically attached and tangentially fixed by the conjunction of positions 22 and 24. At the end of one idle stroke, a packaging container is installed under the stationary unloading nozzle 17.

With further cycles of pressing the pedal Z, the sector measuring containers with doses of the product are emptied step by step through the discharge nozzle 17, while simultaneously replenishing the feeding carousel with product from the hopper.

I sh-- 1135. DUB bly and PO NI in ||. in I: this that tya Pe z / o no - y | with. at,

t

Hall | ; eh! them

XX

7 i i i" ! i 28 i shh M A a 4

And UIA and

Ki 27.25 2 M ШЧИ: Ho pe ri shny, A -A- 5 72 /2 5-00 Y

Sean and A

MAN I'

ЖА- и 1 -К и рн / ии и ИЙ 6 22 / ly и E ши 2 и | i и Й и ma ШЧИ п- pyati ia / И-/й 2 8 g

Level X

IJ; /6

AND;

She

CLICK

Cheka

NC

Cheka

Ka

CA

Kirtk

CHI in KLI

KE

M

! 22nd century

She

I

- - 76

Co. in

Claims (1)

Doser for loose and fibrous products, containing a hopper with a discharge nozzle, a central axis with an upper disc and with a movable carousel of feeders with telescopic measuring containers and a lower disc with a discharge nozzle, installed with the possibility of axial movement, which is distinguished by the fact that the central axis and the upper the disk is fixed, the upper disk is connected to the hopper outlet through an opening in the form of a ring sector, the carousel of feeders is made in the form of inner and outer cylinders concentric to the central axis, horizontally divided into lower and upper telescopically coupled parts, the lower part is radially divided into sector measuring containers with fixed ribs rigidly connecting the inner and outer cylinders from their lower end to the upper end and connected with vertical grooves made in the walls of the cylinders of the upper part, and the upper part is accordingly radially divided by P - similar blades, connected by slots with the mentioned ribs with the possibility of their mutual vertical movement, while the upper part of the feeding carousel is kinematically connected to the step rotation drive, and the U-shaped blades are shifted down from its upper end.