EP2605670B1 - Compression unit, press and method of compressing tobacco cut filler - Google Patents

Compression unit, press and method of compressing tobacco cut filler Download PDF

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Publication number
EP2605670B1
EP2605670B1 EP11770190.4A EP11770190A EP2605670B1 EP 2605670 B1 EP2605670 B1 EP 2605670B1 EP 11770190 A EP11770190 A EP 11770190A EP 2605670 B1 EP2605670 B1 EP 2605670B1
Authority
EP
European Patent Office
Prior art keywords
compression
cut filler
compression unit
area
press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11770190.4A
Other languages
German (de)
French (fr)
Other versions
EP2605670A1 (en
Inventor
Wojciech Jerzy Chojnacki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Tobacco Machinery Poland Sp zoo
Original Assignee
International Tobacco Machinery Poland Sp zoo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Tobacco Machinery Poland Sp zoo filed Critical International Tobacco Machinery Poland Sp zoo
Publication of EP2605670A1 publication Critical patent/EP2605670A1/en
Application granted granted Critical
Publication of EP2605670B1 publication Critical patent/EP2605670B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/3021—Press rams
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B1/00—Preparation of tobacco on the plantation
    • A24B1/10—Packing or pressing tobacco
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/301—Feed means

Definitions

  • the object of the invention is a compression unit, a press and a method of compressing tobacco cut filler used for cigarette manufacturing.
  • Tobacco cut filler may be stored and transported in boxes, where it is usually compressed so as to utilize the volume of the box to the maximum extent.
  • presses with hydraulic and pneumatic drive are commonly used.
  • a high degree of cut filler compression requires the use of actuators with a large working stroke.
  • An alternative solution is double compression, where before the second compression additional cut filler feeding takes place, an actuator with a shorter working stroke is used.
  • Such solution has the disadvantage that it extends the box filling cycle by the time needed for withdrawing a compressing element from a compression area, placing a feed conveyor in working position above a compression chamber, feeding tobacco cut filler into the compression chamber, and then withdrawing the feed conveyor and shifting the compressing element to the compression area.
  • CH 388 161 A discloses a tobacco cut filler compression unit having movable compressing elements positioned in such a way that in a compression cycle they alternatively open and close charging passages connecting a tobacco cut filler feeding area with a compression area.
  • the working cycle of the press should be optimised in such a way as to limit the number of preparatory movements such as shifting and withdrawing the feed conveyor.
  • the object of the present application is to build a press enabling an optimisation of the working cycle of the press.
  • the subject matter of the invention is a tobacco cut filler compression unit as in claim 1.
  • An embodiment of the invention is characterised in that each of the movable compressing elements which, in a compression cycle, alternately open and close charging passages, makes a rotational motion between positions principally perpendicular to each other.
  • the subject matter of the invention is also a press for tobacco cut filler compression provided with a compression unit according to claims 1 or 2.
  • An embodiment of the press for the compression of tobacco cut filler is characterised in that the movable compressing elements are sized to cooperate with a compression chamber, and in that the axis of rotation of each movable compressing element or each compressing element itself is substantially parallel to the bottom of the compression chamber.
  • the subject matter of the invention is a method of tobacco cut filler compression by means of the compression unit according to the claims 1 or 2 wherein during a compression movement of the compression unit, the charging passages connecting a compression chamber with a feeding area are closed, and during a withdrawal of the movable compressing elements of the compression unit, the charging passages are open.
  • the solution according to the invention makes pressing cut filler without removing the compressing element from the space above the compression chamber possible, what distinctly shortens the working cycle of the press.
  • Fig. 1, 2 and 3 show a compression unit 1 in a first embodiment situated between a cut filler feeding area 2 and a compression area 3, where the compression area 3 is situated within a box 5.
  • the compression unit 1 is provided with cylindrical bars 4 connected in pairs, where each pair is swivel-mounted around an axis 6.
  • the pairs of cylindrical bars 4 with their axes 6' are situated in a horizontal plane; such position of cylindrical bars 4 is used for tobacco cut filler compression.
  • Fig.2 shows pairs of the bars 4 after rotating around the axis 6 so that the axes 6' are situated in a vertical plane by means of drive train elements 7 connecting pairs of the bars 4, resulting in forming charging passages 8 between the cut filler feeding area 2 and the compression area 3.
  • a feeding conveyor 11 is situated which may be designed as stationary or may make movements enabling even distribution of cut filler within the area of operation of the compression unit 1.
  • the cylindrical bars 4 can be made in such a way that they can rotate around their own axes 6' in order to drop cut filler fibres which may sediment/deposit on the bars 4.
  • the bars 4 can be made as bars of polygonal or oval section; they can be also made as openwork cylinders. For reasons of simplification, the fastening of the compression unit 1 to the drive unit of the press has not been shown in the drawing.
  • the box 5 is placed in the area of operation of the compression unit 1 below said unit, resulting in forming the compression area 3, wherein the pairs of cylindrical bars 4 are positioned in such a way that their axes 6' are situated in a vertical plane, resulting in forming charging passages 8 through which cut filler from the conveyor 11 situated in the cut filler feeding area 2 is poured to the compression area 3.
  • the pairs of cylindrical bars 4 are turned and positioned with their axes 6' in a horizontal plane in order to close charging passages 8, and the compression unit 1 is lowered in order to compress cut filler.
  • the compression unit 1 After compressing the first cut filler portion the compression unit 1 is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the cylindrical bars 4 are again turned around the axis 6 and positioned with their axes in a vertical plane, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3.
  • cut filler may be added several times.
  • FIG. 4 to Fig. 7 show examples of the compression unit useful for understanding the invention, which however do not represent embodiments of the invention.
  • Fig. 4 and 5 show a compression unit 1' situated between the cut filler feeding area 2 and the compression area 3.
  • the unit 1' is provided with plates 9 which are designed for making a horizontal movement so that they slide over each other.
  • the plates 9 are positioned in such a way that charging passages 8 are closed, and the plates 9 form a surface which will be a pressure surface serving for compression.
  • the plates 9 are slid over each other, resulting in charging passages 8.
  • the plates 9 can be made as solid or openwork plates. In order to keep the clarity of the drawing, typical mechanisms shifting the plates 9 have not been shown.
  • the box 5 In order to perform the compression of tobacco cut filler, the box 5 is placed in the area of operation of the compression unit 1' below said unit, resulting in forming the compression area 3, where the plates 9 are situated in such a way that they slide over each other, resulting in forming charging passages 8 through which cut filler from the cut filler feeding area 2 is poured to the compression area 3. After pouring a cut filler portion to the compression area 3, the plates 9 are shifted so as to close charging passages 8 and form a surface which will press cut filler, and the compression unit 1' is lowered in order to compress cut filler.
  • cut filler After compressing the first cut filler portion the compression unit 1' is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the plates 9 are slid over each other again, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3.
  • cut filler may be added several times.
  • Fig. 6 and 7 show a compression unit 1" situated between the cut filler feeding area 2 and the compression area 3.
  • the unit 1" is provided with plates 9 which are designed for making a movement being a composition of rotational and linear motion.
  • Axes 10 situated along lateral edges of the plates 9 are designed for making vertical motion, whereas the plates 9 make rotational motion around the axes 10 so that the edges opposite to those along which the axes 10 are situated are maintained at a principally constant height from the bottom of the compression chamber.
  • the plates 9 may be designed as solid or openwork plates.
  • the box 5 In order to perform the compression of tobacco cut filler, the box 5 is placed in the area of operation of the compression unit 1" below the unit, resulting in forming the compression area 3, where the plates 10 situated along lateral edges of the plates 9 are raised, and the plates 9 themselves are situated in principle vertically, resulting in opening charging passages.
  • the plates 9 After pouring a cut filler portion from the conveyor 11 situated in the feeding area 2 to the compression area 3, the plates 9 are shifted so as to close charging passages 8 and form a surface which will press cut filler, and the compression unit 1" is lowered in order to compress cut filler.
  • the compression unit 1" After compressing the first cut filler portion the compression unit 1" is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the plates 9 are raised again by means of a movement being a composition of rotational and linear motion to a principally vertical position, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3.
  • cut filler may be added several times.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Manufacture Of Tobacco Products (AREA)

Description

  • The object of the invention is a compression unit, a press and a method of compressing tobacco cut filler used for cigarette manufacturing.
  • Tobacco cut filler may be stored and transported in boxes, where it is usually compressed so as to utilize the volume of the box to the maximum extent. For tobacco cut filler compression, presses with hydraulic and pneumatic drive are commonly used. A high degree of cut filler compression requires the use of actuators with a large working stroke. An alternative solution is double compression, where before the second compression additional cut filler feeding takes place, an actuator with a shorter working stroke is used. Such solution has the disadvantage that it extends the box filling cycle by the time needed for withdrawing a compressing element from a compression area, placing a feed conveyor in working position above a compression chamber, feeding tobacco cut filler into the compression chamber, and then withdrawing the feed conveyor and shifting the compressing element to the compression area.
  • From the publication US 4,572,065 a press driven by a hydraulic actuator in which the compressing element is a heavy metal plate with rectangular shape is known. The compression takes place in two stages, where the said compression takes place after feeding an additional cut filler portion by means of a feed conveyor inserted into the space just below a compressing element when a drive actuator of the compressing element takes its upper position. After the compression, a bale of tobacco or tobacco cut filler is pulled out of the compression chamber.
  • On the other hand, from the publication DE 34 05 182 a solution is known in which tobacco cut filler is pressed directly in the box in which it will be stored or transported. The bottom part of a charging hopper is inserted into the box which will be removed after the compression of cut filler, and a feed conveyor is situated above the charging hopper below a compressing element.
  • From the publication WO 2005/013732 a cut filler press provided with a movable charging hopper which moves down in order to enable feeding of cut filler by a feed conveyor is known.
  • On the other hand, the publication US 3,782,275 has disclosed a rigid lightweight design of the compressing element of a press for forming hay bales. The compressing element consists of several elements forming a common compression surface.
  • CH 388 161 A discloses a tobacco cut filler compression unit having movable compressing elements positioned in such a way that in a compression cycle they alternatively open and close charging passages connecting a tobacco cut filler feeding area with a compression area.
  • In view of the expectation of manufacturers that the pressing process takes as shortest time as possible, the working cycle of the press should be optimised in such a way as to limit the number of preparatory movements such as shifting and withdrawing the feed conveyor.
  • The object of the present application is to build a press enabling an optimisation of the working cycle of the press.
  • The subject matter of the invention is a tobacco cut filler compression unit as in claim 1.
  • An embodiment of the invention is characterised in that each of the movable compressing elements which, in a compression cycle, alternately open and close charging passages, makes a rotational motion between positions principally perpendicular to each other.
  • The subject matter of the invention is also a press for tobacco cut filler compression provided with a compression unit according to claims 1 or 2.
  • An embodiment of the press for the compression of tobacco cut filler is characterised in that the movable compressing elements are sized to cooperate with a compression chamber, and in that the axis of rotation of each movable compressing element or each compressing element itself is substantially parallel to the bottom of the compression chamber.
  • The subject matter of the invention is a method of tobacco cut filler compression by means of the compression unit according to the claims 1 or 2 wherein during a compression movement of the compression unit, the charging passages connecting a compression chamber with a feeding area are closed, and during a withdrawal of the movable compressing elements of the compression unit, the charging passages are open.
    • Advantages
  • The solution according to the invention makes pressing cut filler without removing the compressing element from the space above the compression chamber possible, what distinctly shortens the working cycle of the press.
  • The object of the invention was shown in preferred embodiments in a drawing in which:
    • Fig. 1
    shows schematically a compression unit in a first embodiment, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are closed,
    Fig. 2
    shows schematically a compression unit in a first embodiment, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are open,
    Fig. 3
    shows a compression unit in top view together with drive train elements,
    Fig. 4
    shows schematically a compression unit, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are closed,
    Fig. 5
    shows schematically a compression unit, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are open,
    Fig. 6
    shows schematically a compression unit, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are closed,
    Fig. 7
    shows schematically a compression unit, without drive elements of the compression unit, in a position when charging passages between a compression area and a feeding area are open.
  • Fig. 1, 2 and 3 show a compression unit 1 in a first embodiment situated between a cut filler feeding area 2 and a compression area 3, where the compression area 3 is situated within a box 5. The compression unit 1 is provided with cylindrical bars 4 connected in pairs, where each pair is swivel-mounted around an axis 6. In Fig. 1, the pairs of cylindrical bars 4 with their axes 6' are situated in a horizontal plane; such position of cylindrical bars 4 is used for tobacco cut filler compression. Fig.2 shows pairs of the bars 4 after rotating around the axis 6 so that the axes 6' are situated in a vertical plane by means of drive train elements 7 connecting pairs of the bars 4, resulting in forming charging passages 8 between the cut filler feeding area 2 and the compression area 3. In the cut filler feeding area 2 a feeding conveyor 11 is situated which may be designed as stationary or may make movements enabling even distribution of cut filler within the area of operation of the compression unit 1. The cylindrical bars 4 can be made in such a way that they can rotate around their own axes 6' in order to drop cut filler fibres which may sediment/deposit on the bars 4. The bars 4 can be made as bars of polygonal or oval section; they can be also made as openwork cylinders. For reasons of simplification, the fastening of the compression unit 1 to the drive unit of the press has not been shown in the drawing.
  • In order to perform the compression of tobacco cut filler, the box 5 is placed in the area of operation of the compression unit 1 below said unit, resulting in forming the compression area 3, wherein the pairs of cylindrical bars 4 are positioned in such a way that their axes 6' are situated in a vertical plane, resulting in forming charging passages 8 through which cut filler from the conveyor 11 situated in the cut filler feeding area 2 is poured to the compression area 3. After pouring a cut filler portion to the compression area 3, the pairs of cylindrical bars 4 are turned and positioned with their axes 6' in a horizontal plane in order to close charging passages 8, and the compression unit 1 is lowered in order to compress cut filler. After compressing the first cut filler portion the compression unit 1 is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the cylindrical bars 4 are again turned around the axis 6 and positioned with their axes in a vertical plane, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3. For the purpose of effective cut filler compression during a compression cycle, cut filler may be added several times.
  • Figures from Fig. 4 to Fig. 7 show examples of the compression unit useful for understanding the invention, which however do not represent embodiments of the invention.
  • Fig. 4 and 5 show a compression unit 1' situated between the cut filler feeding area 2 and the compression area 3. The unit 1' is provided with plates 9 which are designed for making a horizontal movement so that they slide over each other. In Fig. 4 the plates 9 are positioned in such a way that charging passages 8 are closed, and the plates 9 form a surface which will be a pressure surface serving for compression. In Fig. 5 the plates 9 are slid over each other, resulting in charging passages 8. The plates 9 can be made as solid or openwork plates. In order to keep the clarity of the drawing, typical mechanisms shifting the plates 9 have not been shown.
  • In order to perform the compression of tobacco cut filler, the box 5 is placed in the area of operation of the compression unit 1' below said unit, resulting in forming the compression area 3, where the plates 9 are situated in such a way that they slide over each other, resulting in forming charging passages 8 through which cut filler from the cut filler feeding area 2 is poured to the compression area 3. After pouring a cut filler portion to the compression area 3, the plates 9 are shifted so as to close charging passages 8 and form a surface which will press cut filler, and the compression unit 1' is lowered in order to compress cut filler. After compressing the first cut filler portion the compression unit 1' is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the plates 9 are slid over each other again, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3. For the purpose of effective cut filler compression during a compression cycle, cut filler may be added several times.
  • Fig. 6 and 7 show a compression unit 1" situated between the cut filler feeding area 2 and the compression area 3. The unit 1" is provided with plates 9 which are designed for making a movement being a composition of rotational and linear motion. Axes 10 situated along lateral edges of the plates 9 are designed for making vertical motion, whereas the plates 9 make rotational motion around the axes 10 so that the edges opposite to those along which the axes 10 are situated are maintained at a principally constant height from the bottom of the compression chamber. The plates 9 may be designed as solid or openwork plates.
  • In order to perform the compression of tobacco cut filler, the box 5 is placed in the area of operation of the compression unit 1" below the unit, resulting in forming the compression area 3, where the plates 10 situated along lateral edges of the plates 9 are raised, and the plates 9 themselves are situated in principle vertically, resulting in opening charging passages. After pouring a cut filler portion from the conveyor 11 situated in the feeding area 2 to the compression area 3, the plates 9 are shifted so as to close charging passages 8 and form a surface which will press cut filler, and the compression unit 1" is lowered in order to compress cut filler. After compressing the first cut filler portion the compression unit 1" is withdrawn, remaining above the compression area 3 and under the feed conveyor 11, and the plates 9 are raised again by means of a movement being a composition of rotational and linear motion to a principally vertical position, resulting in opening the charging passages 8 in order to pour cut filler from the feeding area 2 to the compression area 3. For the purpose of effective cut filler compression during a compression cycle, cut filler may be added several times.

Claims (5)

  1. A tobacco cut filler compression unit comprising
    a plurality of movable compressing elements (4) positioned in such a way that in a compression cycle they alternately open and close charging passages (8) connecting a tobacco cut filler feeding area with a compression area, wherein said movable compressing elements make a rotational motion,
    characterized in that
    each of the movable compressing elements (4) has an openwork structure of cylindrical bars connected in pairs, and
    an axis of rotation (6) situated within its contour.
  2. A compression unit as in claim 1 characterised in that the movable compressing elements (4) make a rotational motion between positions principally perpendicular to each other.
  3. A press for tobacco cut filler compression provided with a compression unit as in claims 1 or 2.
  4. A press as in claim 3 characterised in that the movable compressing elements (4) are sized to cooperate with a compression chamber, and the axis of rotation of each of the movable compressing elements (4) is substantially parallel to the bottom of the compression chamber.
  5. A method of compressing tobacco cut filler by means of a compression unit as in claims 1 or 2 wherein during a compression movement of the compression unit, the charging passages (8) connecting a compression chamber with a feeding area are closed, and during a withdrawal of the movable compressing elements (4) of the compression unit, the charging passages are open.
EP11770190.4A 2010-08-20 2011-08-01 Compression unit, press and method of compressing tobacco cut filler Not-in-force EP2605670B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PL392195A PL217143B1 (en) 2010-08-20 2010-08-20 Compressing assembly, the press and the method of compressing tobacco cuts
PCT/PL2011/050031 WO2012023869A1 (en) 2010-08-20 2011-08-01 Compression unit, press and method of compressing tobacco cut filler

Publications (2)

Publication Number Publication Date
EP2605670A1 EP2605670A1 (en) 2013-06-26
EP2605670B1 true EP2605670B1 (en) 2019-04-24

Family

ID=44801111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11770190.4A Not-in-force EP2605670B1 (en) 2010-08-20 2011-08-01 Compression unit, press and method of compressing tobacco cut filler

Country Status (3)

Country Link
EP (1) EP2605670B1 (en)
PL (1) PL217143B1 (en)
WO (1) WO2012023869A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2562781C1 (en) * 2014-08-19 2015-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") Installation for tobacco pile-pressing
RU2581810C1 (en) * 2014-11-25 2016-04-20 Федеральное государственное бюджетное научное учреждение Всероссийский научно-исследовательский институт табака, махорки и табачных изделий (ФГБНУ ВНИИИТТИ) Press for production of tobacco bundles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388161A (en) 1959-05-30 1965-02-15 Inst Za Ratsionalisatsia Machine for pressing tobacco leaves into bales
DE1202200B (en) * 1961-11-15 1965-09-30 Quester Fa Wilh Device for pressing tobacco leaves into bales in layers
DE1432591A1 (en) * 1964-12-10 1968-12-19 Tabatschno Fermentazionnaja Fa Device for pressing pulp
US3455345A (en) * 1967-01-20 1969-07-15 Parker Tobacco Co Method of compacting tobacco for curing in hogsheads
US3782275A (en) 1972-05-15 1974-01-01 Sperry Rand Corp Light weight plunger for a hay baler
US4457125A (en) 1983-04-22 1984-07-03 Fishburne Francis B Press for packing compressible material having an air release sleeve
US4572065A (en) 1984-06-18 1986-02-25 Fishburne Francis B Method and apparatus for packing tobacco
ITVE20030031A1 (en) 2003-07-24 2005-01-25 Comas Costruzioni Macchine Specia Li S P A APPARATUS FOR COMPRESSING TOBACCO.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2605670A1 (en) 2013-06-26
PL217143B1 (en) 2014-06-30
PL392195A1 (en) 2012-02-27
WO2012023869A1 (en) 2012-02-23

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