EP0802113A1 - Double-headed device for wrapping fruit applicable to packaging machines - Google Patents
Double-headed device for wrapping fruit applicable to packaging machines Download PDFInfo
- Publication number
- EP0802113A1 EP0802113A1 EP97500064A EP97500064A EP0802113A1 EP 0802113 A1 EP0802113 A1 EP 0802113A1 EP 97500064 A EP97500064 A EP 97500064A EP 97500064 A EP97500064 A EP 97500064A EP 0802113 A1 EP0802113 A1 EP 0802113A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular
- rollers
- double
- mesh
- headed device
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
- B65B9/15—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being stored on filling nozzles
Definitions
- the present invention relates to a device intended for wrapping fruit, having as one of its essential characteristics a double head, which makes it possible to achieve much greater utilization of the operating time of the wrapping machine.
- the machines of known type have different systems for feeding the tubular mesh element to the bag closure region, which is customarily constituted in the lower part of a metal tube on which is inserted the tubular mesh element mentioned above.
- the feed assemblies have rollers which make contact on the tubular mesh element situated on the cylindrical body, causing it to advance by the amount required to produce the different bags in succession.
- the present invention provides a double-headed device, so that each of the said heads or units has a tubular body intended to occupy two positions in succession, one of which is a working position in which it will receive on the outside the tubular mesh element which will be withdrawn successively by the rollers for the filling and separation of the individual bags, and the other a position in which the said tubular element is separated towards the outside of the machine, allowing the placing in position of a new tubular mesh element which will be used at the appropriate moment when the one which is being used has run out. All that is required for the said change is the rotation, through a predetermined angle, of a frame assembly for supporting both tubular elements, so that the loss of useful working time on the machine is insignificant.
- the device which is the subject of the present invention has a single plate or frame which carries the two tubular bodies for guiding the tubular mesh element, including an independent motor unit intended to effect the rotation of the carrier plate through a predetermined angle, which may be 180°, in order to permit the change.
- Each of the cylindrical elements for supporting and guiding the tubular mesh element has an assembly of drive rollers located on the upper or lower part of the cylinder, including the corresponding gear trains for driving from a main motor, and the said rollers being mounted on rocker arms or linear systems actuated by cylinder and piston assemblies of the hydraulic or pneumatic type, which are independent of one another, in order to allow the said rollers to tilt or move linearly between an operating position, in contact against the mesh element arranged on the cylindrical guide element, and an open position, directed towards the outside, in which the said rollers cease to make contact with the mesh element so that the latter can be introduced, corresponding to the position for the exchange of the said tubular mesh element.
- the said rollers may also be separated for other operational purposes.
- the device has a single filling station integrated with the corresponding entry hopper for the pieces of fruit and also the corresponding closure and transverse cutting mechanisms.
- FIGS 1 to 7 represent various diagrammatic views of arrangements of feed rollers of the type known at present.
- Figure 8 is a diagrammatic plan view of the carrier plate for the two stations or heads of the device.
- Figure 9 is a diagrammatic view in which can be seen the relative position of the tubular element and the rollers for withdrawal of the latter.
- FIGS 10 and 11 are simplified views which show different operating positions of the apparatus.
- Figure 12 is a diagrammatic view of a variant with the rollers located in the lower part.
- Figure 13 is a view in side elevation of one of the units of the device, a detail thereof being shown in Figure 14.
- Figure 15 is a plan view of the device, in which the arrangement of the two heads is shown diagrammatically.
- Figure 16 is a view in elevation corresponding to Figure 15.
- Figures 17 and 18 are respectively views in side and front elevation of the device in the variant of application of the rollers in the lower part.
- rollers 17 and 18 act on a covering 19 of the tubular element, which causes marked concave regions of pinching of the tubular mesh element.
- Figure 6 which corresponds to a plan view of Figure 5, there can be observed the arrangement of the rollers with respect to the covering of the tubular element.
- the variant in Figure 7 shows two rollers 22 and 23 of a resilient material which, by means of a pressure P, forms a concave profile, which rollers adapt to the periphery of the cylindrical body 24 in order to effect the withdrawal of the tubular mesh element.
- the device which is the subject of the present invention has two units 25 and 26, each of which carries a tubular body to receive a fragment or section of the mesh element, and the respective drive rollers, the two units being incorporated in the same rotary frame or plate 27 driven, in a form which is not shown in detail, by a motor 28.
- each of the cylindrical elements will receive on the outside the tubular mesh element 29, Figure 9, which will be fed in an upward direction by means of the rollers 30 and 31 which will occupy the active position shown in the said Figure 9 in which they are at a tangent to the tubular mesh element 29 in order to feed it to the upper part of the rigid tubular guide body, and another position shown by means of the numbers 30' and 31', in which the said rollers are separated from the working position, allowing the placing in position of a new mesh element or permitting any other manipulation to be carried out.
- Figure 10 can be observed the arrangement of the two tubular bodies 32 and 33, one of which is shown in a working position in which the upper rollers 34 feed the mesh to the upper part of the tube 32, in order to receive the pieces of fruit from the single hopper 35, while the other position shows the arrangement of the outer tubular mesh element 36 prepared for subsequent use.
- the bags are subject to closure at both ends 37 and 38, each closure being complemented by a conventional cutting operation.
- FIG. 12 a variant is shown in which the plate 39 which carries the two units of the machine is arranged in the upper part with the tubular bodies arranged towards the bottom and the feed rollers 40 and 41 likewise arranged in the lower part.
- Figure 11 shows the two corresponding tubular bodies 42 and 43, as well as the single upper hopper 44.
- the plate or frame which carries the two heads is driven by means of a motor 45 with a transmission, not shown in detail, for driving the plate through a predetermined angle, usually 180°, necessary for the changing of the working unit.
- the upper rollers are driven by means of a motor 46 which, by means of a gear-wheel 47, transmits its drive to the intermediate gears 48 and 49 corresponding respectively to one or other of the two units of the double machine which in turn transmit their rotation by means of the gearwheels 50 and 51 and the corresponding belts or chains 52 and 53 to the upper rollers 54 and 55 intended to feed the tubular mesh element to the upper mouth of the rigid tubular body 56.
- rollers 54 and 55 are mounted on individual rocker arms, not shown in detail, in order to allow them to assume the positions shown previously in Figure 9, for which purpose cylinder and piston devices 57 and 58 are provided, preferably hydraulic, which make it possible to tilt the said rollers from the working positions to the positions intended for filling and other manipulations.
- Another, upper, cylinder and piston assembly 59 makes it possible to tilt the plate 60 which carries the transmission elements associated with the main motor.
- Figures 17 and 18 show a version in which the single motor 61, by means of the wheel 62, drives the gears 63 and 64 which transmit their motion to the rollers 65 and 66, arranged on the lower part of the rigid cylindrical body 67.
- the cylinder and piston elements equivalent to those described previously are shown by the numbers 68, 69 and 70.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
- The present invention relates to a device intended for wrapping fruit, having as one of its essential characteristics a double head, which makes it possible to achieve much greater utilization of the operating time of the wrapping machine.
- Various machines are known at present for wrapping fruit, in which machines an element of tubular shape is used, normally produced from plastics mesh material of limited length, usually a multiple of the individual length of the bags which are used for wrapping, and which are formed by pinching, transverse welding and cutting of the tubular mesh element in the regions corresponding to the ends of each of the bags in which filling has taken place.
- The machines of known type have different systems for feeding the tubular mesh element to the bag closure region, which is customarily constituted in the lower part of a metal tube on which is inserted the tubular mesh element mentioned above. The feed assemblies have rollers which make contact on the tubular mesh element situated on the cylindrical body, causing it to advance by the amount required to produce the different bags in succession.
- One of the drawbacks of the machines known at present lies in the discontinuity of the production cycle, owing to the need to replace the tubular mesh element on the cylindrical body for guiding the latter, once the mesh element previously used has completely run out. This makes it necessary to stop the machine momentarily for the insertion of a new tubular mesh element so that work can recommence.
- In order to remedy the drawbacks mentioned, the present invention provides a double-headed device, so that each of the said heads or units has a tubular body intended to occupy two positions in succession, one of which is a working position in which it will receive on the outside the tubular mesh element which will be withdrawn successively by the rollers for the filling and separation of the individual bags, and the other a position in which the said tubular element is separated towards the outside of the machine, allowing the placing in position of a new tubular mesh element which will be used at the appropriate moment when the one which is being used has run out. All that is required for the said change is the rotation, through a predetermined angle, of a frame assembly for supporting both tubular elements, so that the loss of useful working time on the machine is insignificant.
- In order to achieve its objectives, the device which is the subject of the present invention has a single plate or frame which carries the two tubular bodies for guiding the tubular mesh element, including an independent motor unit intended to effect the rotation of the carrier plate through a predetermined angle, which may be 180°, in order to permit the change. Each of the cylindrical elements for supporting and guiding the tubular mesh element has an assembly of drive rollers located on the upper or lower part of the cylinder, including the corresponding gear trains for driving from a main motor, and the said rollers being mounted on rocker arms or linear systems actuated by cylinder and piston assemblies of the hydraulic or pneumatic type, which are independent of one another, in order to allow the said rollers to tilt or move linearly between an operating position, in contact against the mesh element arranged on the cylindrical guide element, and an open position, directed towards the outside, in which the said rollers cease to make contact with the mesh element so that the latter can be introduced, corresponding to the position for the exchange of the said tubular mesh element. The said rollers may also be separated for other operational purposes.
- The device has a single filling station integrated with the corresponding entry hopper for the pieces of fruit and also the corresponding closure and transverse cutting mechanisms.
- For greater understanding there are attached, by way of example, explanatory drawings of preferred embodiments of the device which is the subject of the present invention.
- Figures 1 to 7 represent various diagrammatic views of arrangements of feed rollers of the type known at present.
- Figure 8 is a diagrammatic plan view of the carrier plate for the two stations or heads of the device.
- Figure 9 is a diagrammatic view in which can be seen the relative position of the tubular element and the rollers for withdrawal of the latter.
- Figures 10 and 11 are simplified views which show different operating positions of the apparatus.
- Figure 12 is a diagrammatic view of a variant with the rollers located in the lower part.
- Figure 13 is a view in side elevation of one of the units of the device, a detail thereof being shown in Figure 14.
- Figure 15 is a plan view of the device, in which the arrangement of the two heads is shown diagrammatically.
- Figure 16 is a view in elevation corresponding to Figure 15.
- Figures 17 and 18 are respectively views in side and front elevation of the device in the variant of application of the rollers in the lower part.
- As can be seen in the Figures, there are many variants of drive rollers in the machines known at present, as shown in Figures 1 to 7. In Figure 1 the
rollers 1 and 2 are shown at a tangent to the surface of the tubular element 3 which carries the cylindrical mesh element. Figure 2 shows rollers of substantially "diabolo" or frustoconical longitudinal shape which are indicated by thenumbers 4 and 5, which make contact with discrete regions of the central cylindrical body 6. A variant of this arrangement can be seen in Figures 3 and 4, in which there can be observed the arrangement of different pairs ofrollers different shafts cylindrical body 11, and in the case of Figure 4, the pairs ofrollers cylindrical body 14, being driven by single shafts such as 15 and 16 by way of bevel gears or another similar arrangement. - In the case of Figure 5, the
rollers rollers cylindrical body 24 in order to effect the withdrawal of the tubular mesh element. - As is shown very diagrammatically in Figure 8, the device which is the subject of the present invention has two
units plate 27 driven, in a form which is not shown in detail, by amotor 28. - According to an arrangement provided for in the present invention, each of the cylindrical elements will receive on the outside the
tubular mesh element 29, Figure 9, which will be fed in an upward direction by means of therollers tubular mesh element 29 in order to feed it to the upper part of the rigid tubular guide body, and another position shown by means of the numbers 30' and 31', in which the said rollers are separated from the working position, allowing the placing in position of a new mesh element or permitting any other manipulation to be carried out. - In Figure 10 can be observed the arrangement of the two
tubular bodies upper rollers 34 feed the mesh to the upper part of thetube 32, in order to receive the pieces of fruit from thesingle hopper 35, while the other position shows the arrangement of the outertubular mesh element 36 prepared for subsequent use. The bags are subject to closure at bothends - In the case of Figure 12, a variant is shown in which the
plate 39 which carries the two units of the machine is arranged in the upper part with the tubular bodies arranged towards the bottom and thefeed rollers tubular bodies upper hopper 44. - As can be seen in Figure 13, the plate or frame which carries the two heads is driven by means of a
motor 45 with a transmission, not shown in detail, for driving the plate through a predetermined angle, usually 180°, necessary for the changing of the working unit. The upper rollers are driven by means of amotor 46 which, by means of a gear-wheel 47, transmits its drive to theintermediate gears gearwheels chains upper rollers tubular body 56. - The
rollers piston devices piston assembly 59 makes it possible to tilt theplate 60 which carries the transmission elements associated with the main motor. - Figures 17 and 18 show a version in which the
single motor 61, by means of thewheel 62, drives thegears rollers cylindrical body 67. The cylinder and piston elements equivalent to those described previously are shown by thenumbers - With the means which have been described, a highly efficient machine for the wrapping of fruit is obtained, which will make it possible to carry out the said wrapping with the maximum utilization of the industrial equipment, and at the same time will achieve gentle handling of the pieces of fruit, avoiding damage thereto.
Claims (4)
- Double-headed device for wrapping fruit, characterized in that it comprises an assembly which carries two rigid tubular bodies receiving the tubular mesh elements on their periphery, being incorporated in a single frame rotatable about a vertical axis at a predetermined angle and in a predetermined direction, there being associated with each tubular assembly, depending on the case, one or two pairs of rollers for the displacement of the coupled mesh element on the outside of the tubular body, which pair of drive rollers are mounted on individual rocker arms actuated by cylinder and piston assemblies driven by a pressurized fluid between two predetermined positions, one of which, the working position, is at a tangent to the rigid tubular body, and the other a position of separation with respect to the said tubular element, in order to permit the placing in position of the mesh and other manipulations.
- Double-headed device for wrapping fruit, according to Claim 1, characterized in that the pair of feed rollers associated with each rigid tubular working body of the machine is driven by means of a single motor transmitting its drive force, through a single gearing arrangement, to the drive gears of the roller systems of each of the rigid tubular working bodies of the machine.
- Double-headed device for wrapping fruit, according to the preceding claims, which is characterized in that it effects the withdrawal of the flexible mesh either from the lower part of the tube containing it or from the upper part, practically continuously by means of one or two pairs of rollers.
- Double-headed device for wrapping fruit, according to the preceding claims, characterized by the arrangement of an upper cylinder and piston assembly adjacent to the main drive motor for the feed rollers, capable of effecting the tilting or linear displacement of the drive train.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9600860 | 1996-04-17 | ||
ES9600860A ES2130038B1 (en) | 1996-04-17 | 1996-04-17 | DOUBLE HEAD DEVICE FOR FRUIT PACKAGING, APPLICABLE TO PACKING MACHINES. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0802113A1 true EP0802113A1 (en) | 1997-10-22 |
EP0802113B1 EP0802113B1 (en) | 2000-07-19 |
EP0802113B2 EP0802113B2 (en) | 2005-02-02 |
Family
ID=8294507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970500064 Expired - Lifetime EP0802113B2 (en) | 1996-04-17 | 1997-04-10 | Double-headed device for wrapping fruit applicable to packaging machines |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0802113B2 (en) |
DE (1) | DE69702564T3 (en) |
ES (2) | ES2130038B1 (en) |
GR (1) | GR3034504T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRA20070039A1 (en) * | 2007-05-15 | 2008-11-16 | Nicola Antonacci | MACHINE FOR MAKING FRUIT AND VEGETABLES BASKETS. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2452760A1 (en) * | 1974-11-07 | 1976-05-20 | Pack Verpackungsmaschinen Wern | Piece goods packaging installation - using hose shaped packaging material filled through several filler pipes moving on guide rails |
GB2087338A (en) * | 1980-11-11 | 1982-05-26 | Grace W R & Co | Apparatus and method for wrapping sausage or cheese in a fflexible wrapping material |
EP0738657A2 (en) * | 1995-04-20 | 1996-10-23 | Talleres Daumar S.A. | A machine for obtaining bags full of products from batches of tubular net |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE336758B (en) * | 1967-06-12 | 1971-07-12 | American Mach & Foundry | |
US5259168A (en) * | 1987-10-07 | 1993-11-09 | Delaware Capital Formation, Inc. | Continuously rotating platform with multiple mounted double clippers for continuously forming link product |
ES2108632B1 (en) * | 1995-04-20 | 1998-07-01 | Daumar Talleres | PROCEDURE FOR OBTAINING BAGS FILLED WITH PRODUCTS FROM TUBULAR MESH BATCHES. |
-
1996
- 1996-04-17 ES ES9600860A patent/ES2130038B1/en not_active Expired - Lifetime
-
1997
- 1997-04-10 EP EP19970500064 patent/EP0802113B2/en not_active Expired - Lifetime
- 1997-04-10 DE DE69702564T patent/DE69702564T3/en not_active Expired - Lifetime
- 1997-04-10 ES ES97500064T patent/ES2148919T5/en not_active Expired - Lifetime
-
2000
- 2000-09-28 GR GR20000402194T patent/GR3034504T3/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2452760A1 (en) * | 1974-11-07 | 1976-05-20 | Pack Verpackungsmaschinen Wern | Piece goods packaging installation - using hose shaped packaging material filled through several filler pipes moving on guide rails |
GB2087338A (en) * | 1980-11-11 | 1982-05-26 | Grace W R & Co | Apparatus and method for wrapping sausage or cheese in a fflexible wrapping material |
EP0738657A2 (en) * | 1995-04-20 | 1996-10-23 | Talleres Daumar S.A. | A machine for obtaining bags full of products from batches of tubular net |
Also Published As
Publication number | Publication date |
---|---|
EP0802113B2 (en) | 2005-02-02 |
DE69702564D1 (en) | 2000-08-24 |
ES2148919T3 (en) | 2000-10-16 |
DE69702564T3 (en) | 2005-09-29 |
GR3034504T3 (en) | 2000-12-29 |
EP0802113B1 (en) | 2000-07-19 |
ES2130038A1 (en) | 1999-06-16 |
DE69702564T2 (en) | 2001-03-15 |
ES2130038B1 (en) | 2000-02-01 |
ES2148919T5 (en) | 2005-08-01 |
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