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PL9681B1 - Method and device for regulating the amount of loose material fed to the processing plants, especially cut tobacco. - Google Patents

Method and device for regulating the amount of loose material fed to the processing plants, especially cut tobacco. Download PDF

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Publication number
PL9681B1
PL9681B1 PL9681A PL968127A PL9681B1 PL 9681 B1 PL9681 B1 PL 9681B1 PL 9681 A PL9681 A PL 9681A PL 968127 A PL968127 A PL 968127A PL 9681 B1 PL9681 B1 PL 9681B1
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PL
Poland
Prior art keywords
amount
regulating
material fed
cut tobacco
loose material
Prior art date
Application number
PL9681A
Other languages
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL9681B1 publication Critical patent/PL9681B1/en

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Description

Przy przerabianiu materjalu sypkiego, doprowadzanego do dalszych urzadzen przerabiajacych w postaci pasma, utwo¬ rzonego na tasmie przenosnej, np. w prze¬ mysle spozywczym, a zwlaszcza w prze¬ mysle tytoniowym przy doprowadzaniu krajanego tytoniu do urzadzen, wytwarza¬ jacych pasma w maszynach papierosni- czych, wazne jest, aby ilosc materjalu sypkiego, przechodzaca w ciagu jednej se¬ kundy, zawsze byla scisle jednakowa, a to celem osiagniecia okreslonej i scislej wagi gotowego produktu. Dokladne mie¬ rzenie i regulowanie ilosci sypkiego mate¬ rjalu, przechodzacego w czasie jednej se¬ kundy, co szczególnie wazne jest przy wyrobie papierosów ze wzgledu na za¬ pewnienie stale jednakowej wagi tychze, dotychczas bylo niemozliwe, poniewaz ciagly przebieg pracy nie pozwalal np. na zastosowanie urzadzen do odwazania do¬ prowadzanej na sekunde ilosci materja¬ lu.Przedmiotem wynalazku ninie j szego jest sposób, który umozliwia stale kontro¬ lowanie i regulowanie ilosci materjalu, do¬ prowadzanego w ciagu sekundy do dalsze¬ go przerabiania. Wynalazek polega na tern, ze pasmo materjalu sypkiego, które z tasmy przenosnej postepuje do dalszych urzadzen do przerabiania, np. w maszy¬ nach papierosniczych — na tasme wycia¬ gajaca, zostaje wazone, wzglednie usta¬ lana ilosc tytoniu zapomoca zastosowaniapromieni swietlnych i cieplnych, np. w ten sposób, ze poza pasmem materjalu umie¬ szcza sie zródlo promieniujace, swietlne lub cieplne, które zostaje pasmem mate¬ rjalu mniej lub wiecej, zaleznie od jego zwartosci, zaslanianie tak, iz umieszczony pod pasmem materjalu przyrzad, czuly na promieniowanie, bezposrednio umozli¬ wia ustalenie zwartosci pasma oraz regu¬ lowanie ilosci przerabianego materjalu w postaci pasma.Sposób ten moze byc tez przeprowa¬ dzony w róznych postaciach zapomoca znanych technicznych, wzglednie fizycz¬ nych srodków. Mozna np. poza pasmem materjalu sypkiego umiescic zródlo swia¬ tla, np, elektryczna lampe, która otrzymu¬ je postac, odpowiadajaca szerokosci pasma i posiada mozliwie stala sile swiatla, pod¬ czas gdy przed pasmem materjalu umie¬ szcza sie komórke selenowa lub tez ze¬ spól takich komórek, wzglednie inne ko¬ mórki swiatloczule, które bezposrednio lub zapomoca polaczenia mostkowego znaj¬ duja sie w obwodzie pradu przyrzadu po¬ miarowego tak, iz przyrzad ten, przyla¬ czony do obwodu stalego napiecia, odchy¬ la sie mniej lub wiecej odpowiednio do róznych, zaleznych od sily oswietlenia o- porów swiatloczulych komórek i swem od¬ chylaniem mierzy zwartosc pasma mate¬ rjalu tak, iz przy okreslonej zwartosci pasma przy wymaganej wadze gotowego produktu latwo mozna doprowadzenie te¬ go materjalu co jakis czas regulowac.Zamiast swietlno-elektrycznych srod¬ ków pomiarowych mozna takze zastosowac cieplno-elektryczne srodki pomiarowe np. w ten sposób, ze przed pasmem materjalu umieszcza sie promieniujace zródlo cie¬ pla, np. drut zarzacy sie, a za pasmem tern — odpowiedni przyrzad pomiarowy, np. pyrometr lub bolometr.Rysunek przedstawia urzadzenie we¬ dlug wynalazku w zastosowaniu do okre¬ slenia zwartosci pasma materjalu w ma¬ szynach papierosniczych.Cyfra / oznacza tasme przenosna, zapo¬ moca której doprowadza sie tyton w po¬ staci pasma miedzy dwiema przezroczy- stemi plytami 3 i 4 na tasme zwijajaca 5.Poza plyta 4 umieszczone jest zródlo pro¬ mieniowania 6, przed plyta 3 swiatloczu¬ ly element, najlepiej komórka selenowa 7, posrednio lub bezposrednio znajdujaca sie w obwodzie pradu przyrzadu pomiarowego (amperometru) 8, przylaczonego do obwo¬ du stalego napiecia.Nalezy tu jeszcze specjalnie zaznaczyc, ze zamiast przyrzadu pomiarowego 8 mozna uzyc urzadzenia sterujacego, np. rozrzadczego przekaznika elektrycznego lub walców doprowadzajacych przez zmia¬ ne ich szybkosci obrotowej tak, iz nierów- nomiernosci w zwartosci materjalu, w po¬ równaniu do sredniej zwartosci, sa bardzo nieznaczne. PL PLWhen processing bulk material fed to further processing devices in the form of a strand formed on a conveyor belt, e.g. in the food industry, and especially in the tobacco industry when feeding cut tobacco to devices producing strands in cigarette machines, it is important that the amount of bulk material passing through in one second is always strictly the same, in order to achieve a specific and precise weight of the finished product. Accurately measuring and regulating the amount of bulk material passing through per second, which is particularly important in cigarette production to ensure a constant weight, has been impossible until now because the continuous workflow did not allow, for example, the use of devices for weighing the amount of material fed per second. The subject of the present invention is a method that enables continuous monitoring and regulation of the amount of material fed per second for further processing. The invention consists in weighing a strand of bulk material which is transported from a conveyor belt to further processing devices, e.g. in cigarette machines - to a drawing belt, or determining the amount of tobacco by means of applying light and heat rays, e.g. by placing a light or heat radiation source outside the material strand, which is more or less covered by the material strand, depending on its density, so that a radiation-sensitive device placed under the material strand directly enables determining the density of the strand and regulating the amount of material processed in the form of a strand. This method can also be carried out in in various forms using known technical or physical means. For example, a light source can be placed outside the band of bulk material, e.g. an electric lamp, which receives a form corresponding to the width of the band and has a possibly constant light intensity, while in front of the band of material there is placed a selenium cell or a set of such cells, or other photosensitive cells, which are located directly or by means of a bridge connection in the current circuit of the measuring device, so that this device, connected to the constant voltage circuit, deflects more or less in accordance with the different resistances of the photosensitive cells, which depend on the illumination intensity, and with its deflection measures the content of the band of material, so that with A specific strand density at the required weight of the finished product allows for easy periodic adjustment of the material supply. Instead of light-electric measuring means, thermal-electric measuring means can also be used, for example, by placing a radiating heat source, e.g. a glowing wire, in front of the material strand, and a suitable measuring device, e.g. a pyrometer or bolometer, behind the strand. The drawing shows a device according to the invention used for determining the strand density of the material in cigarette machines. The number / denotes a conveyor belt by means of which tobacco is fed in the form of a strand between two transparent plates 3 and 4 onto the winding belt 5. A direct heat source is placed behind the plate 4. 6, in front of plate 3, a photosensitive element, preferably a selenium cell 7, located directly or indirectly in the current circuit of a measuring device (ammeter) 8, connected to a DC voltage circuit. It should be especially noted here that instead of the measuring device 8, a control device can be used, e.g. a distributing electric relay or feed rollers by changing their rotational speed so that the unevenness in the material density, compared to the average density, is very small. PL PL

Claims (1)

1.1.
PL9681A 1927-09-26 Method and device for regulating the amount of loose material fed to the processing plants, especially cut tobacco. PL9681B1 (en)

Publications (1)

Publication Number Publication Date
PL9681B1 true PL9681B1 (en) 1928-12-31

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