IL116069A

IL116069A - Container particularly with a flexible interior part

Info

Publication number: IL116069A
Application number: IL11606995A
Authority: IL
Original assignee: Mann & Hummel Filter
Priority date: 1994-11-25
Filing date: 1995-11-20
Publication date: 1998-12-27
Also published as: EP0714016A2; IL116069A0; NO953774D0; FI955635A; NO953774L; FI955635A0; EP0714016A3; CA2163683A1; DE4441969A1

Description

ABSTRACT This invention relates to a particularly having a flexible weighing container 1 as the interior the weighing container 1 being held by means of at least one weighing cell 4 on a stand For the for metered a squeezing device 10 exists on the lower end of the weighing container In order to avoid distributor arrangements and to ensure an exact the flexible weighing container 1 is lengthened in the manner of a hose further downward by of the squeezing device 10 and is held on a movable connection piece the connection piece 13 being displaceable in such a manner that the shaped lengthening 12 of the weighing container 1 is carried along and respective different outlets of the container can be PARTICULARLY WITH A FLEXIBLE INTERIOR PART This invention relates to a particularly with a flexible interior part according to the preamble of the main Prior Art Containers for metering device are known in which a flexible weighing as interior and a fall tube system are made of a very plastic material a rubber When processing bulk for mixtures must frequently be formed which consist of precisely given amounts of constituents The exact and emptying of the metering device is in this case a prerequisite for a high product It is also prior art for forming the bulk material discontinuously operating mixers must be inserted into the connection with container In these container all constituents of a certain recipe of the bulk material are weighed in In addition to a precise metering of the it is of decisive significance in this case that the as mentioned are removed completely from the container when powder or very adhesive constituents are flexible weighing container are easier to empty than metallic or other rigid 1 containers because a caking or gluing to the movable container walls is almost excluded because of the movements of the flexible weighing As a in the case of the known metering the constituents are fed to one or several mixers in the free in which case the required fall for the described may also be constructed to be When more than one mixer is it is necessary to provide distributor elements in the form of rotary flaps or tube switches below the outlet of the weighing container because of their relatively mechanical with an additionally required overall as a rule made of It is also a disadvantage that a more or less pronounced deflection of the bulk flow is caused which promotes a caking or gluing of the bulk material to the distributor It is an object of the invention to further develop a container of the initially mentioned type such while the construction is a charging to at least two consuming devices is Advantages of the Invention The container according to the invention with a flexible interior part achieves the object by means of the features indicated in the characterizing part of the main In the case of the container according to the it is particularly favorable that the advantages gained by a use of flexible interior parts as weighing containers are still maintained and are accompanied by an additional simplification of the mechanical distributing for in the case of metering By means of the lengthening through the squeezing device of the weighing a flexible and easily operable distributor arrangement is provided at the outlet of the container which can be manufactured at reasonable cost in is easy to By means of the embodiments of the container according to invention indicated in the the displacement of the connection piece together with the outlet of the flexible weighing container as the interior piece can be carried out in a simple Particularly the required movements in the container are carried out by means of cylinders which permit a very precise reliable positioning of the connection piece as well as a simple operation of the squeezing In as a a vibrating of the flexible weighing container can be carried out in order to ensure that the container is emptied 3 Drawing An embodiment of the container according to the invention will be explained by means of the Figure 1 is a sectional representation of a metering device as a container with a flexible interior part as a weighing container and a flexible distributor and Figure 2 is a sectional view of the weighing container during an emptying of the metering Description of the Embodiment Figure 1 illustrates a flexible weighing container 1 as an interior part of a the weighing container 1 being suspended on a fixed weighing frame 2 for from In the case of this the weighing frame 2 is held by way of three claws 3 on three weighing cells The weighing cells 4 are fixedly connected with a stand 5 together with a covering represents the outer casing of the whole container which is for as a metering In the preferably metallic covering inlet connection pieces 7 exist for the bulk material constituents to be by way of which this metered material is charged and then comes to be situated in the weighing container A dustproof and flexible connection between the stand 5 and the weighing frame 2 is ensured by flexible collars 8 in the inlet area and also flexible collars 9 in the outlet The charging of this container with the metered material takes place in a known manner by means of metering screws or metering For the of the bulk the weighing container 1 is closed by means of a squeezing device This squeezing device 10 has two rollers 10a and 10b which are held on pistons of cylinders 11a and By means of these cylinders 11a and a horizontal movement of the rollers 10a and 10b can be caused which results in a closing or opening of the squeezing device At the lower outlet of the weighing container a lengthening 12 is disposed which is tensioned by means of a movable connection piece This connection piece 13 is fastened on a displaceable plate 14 or is a component of this plate The plate 14 is held on a piston of another cylinder 15 and can be displaced by means of it into a position A or into a position B and can be fixed in these The positions A and B are each assigned to different outlet connection pieces 16 of the weighing frame in which case these are flexibly connected by way of the collars 9 with the outlets 17 of the frame 5 and the fall tubes These fall tubes 18 lead to mixing devices which are not shown 5 When weighing in the metered the cylinders 11a and lib are in a condition and close the flexible weighing container 1 by way of the rollers 10a and 10b so that at first no metered material can In this the connection piece 13 is in one of positions A or according to the given The position of the connection piece 13 or of the movable plate 14 is detected by means of proximity indicators 21 and 22 mounted on the After the conclusion of the weighing the weighing container 1 is emptied in that the rollers 10a and 10b are moved away from the container For clarifying the emptying reference is made to Figure where particularly the back and forth movement of the rollers 10a and 10b is In this the two air cylinders 11a and lib are activated such that they are moved back and forth several times between the extreme rear position and the center position cylinder as well as the extreme position and the center position cylinder In the representation according to Figure a of the metered material is shown in position in which after a displacement of the connection piece 13 into position a correspondingly adapted procedure is carried out during the the cylinder which is in each case close to the controlled outlet is not activated into the fully position and the opposite cylinder is not activated into the complete return The respective detection of the positions of the air cylinders 11a and lib takes place by way of proximity indicators 19 and in which case the output signals of these proximity indicators 19 and 20 are processed in a control unit which is not shown By means of this vibration of the flexible weighing container a caking of material to the container walls is therefore prevented or detached immediately and a continuous outflow of the metered material is 7 insufficientOCRQuality

Claims

CLAIMS :

1. Container, particularly having a flexible interior part which is held by means of at least one weighing cell 4 on a stand 5, for receiving a bulk material and having a squeezing device 10 on the lower end of the interior part for closing the outlet, characterized in that the flexible interior part 1 is lengthened in the manner of a hose further downward by means of the squeezing device 10 and is held on a movable connection piece 13, the connection piece 13 being displaceable in such a manner that the flexible, hose-shaped lengthening 12 of the interior part 1 is carried along and that respective different outlets (A, B) of the container can be charged.

2. Container according to Claim 1, characterized in that the movable connection piece 13 is situated on a transversely displaceable plate 14 which can be fixed in at least two given outflow positions (A, B) which are each assigned to different outlets.

3. Container according to Claim 1, characterized in that the movable connection piece 13 is situated on a 8 rotatable plate which can be fixed in at least two given outflow positions (A, B) which are each assigned to different outlets.

4. Container according to one of Claims 1 to 3, characterized in that the movable connection piece 13 is held on a piston of a compressed-air cylinder 15 by means of which the displacement of the connection piece 13 is caused.

5. Container according to one of Claims 1 to 4, characterized in that the squeezing device 10 can be activated by at least two compressed-air cylinders 11a, lib and in that, when the squeezing device 10 is opened, a vibrating activation of the flexible interior part 1 takes place by means of these compressed-air cylinders 11a, lib.

6. Container according to Claim 4 or 5, characterized in that the positions of the pistons of the compressed-air cylinders 11a, lib, 15 can be detected by means of proximity indicators 19, 20, 21, 22.

7. Container according to one of Claims 1 to 6 , characterized in that the flexible interior part 1 is held on its upper end and 9 on the at least two outlets 16 by means of flexible collars 8, 9 on the stand 5 of the container. 10