EP2150465B1 - Process and system for wrapping palletised loads - Google Patents
Process and system for wrapping palletised loads Download PDFInfo
- Publication number
- EP2150465B1 EP2150465B1 EP08737364A EP08737364A EP2150465B1 EP 2150465 B1 EP2150465 B1 EP 2150465B1 EP 08737364 A EP08737364 A EP 08737364A EP 08737364 A EP08737364 A EP 08737364A EP 2150465 B1 EP2150465 B1 EP 2150465B1
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- European Patent Office
- Prior art keywords
- palletised
- rotating platform
- fact
- loads
- load
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003019 stabilising effect Effects 0.000 claims abstract description 28
- 238000002372 labelling Methods 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 8
- 238000005304 joining Methods 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 description 7
- 229920006255 plastic film Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
- B65B11/045—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated by rotating platforms supporting the articles
-
- 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
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/58—Applying two or more wrappers, e.g. in succession
- B65B11/585—Applying two or more wrappers, e.g. in succession to stacked articles, e.g. pallettised loads
Definitions
- This invention refers to a process and a system for wrapping palletised loads.
- the palletised loads consist of one or more goods distributed in a more or less orderly manner on a pallet so it can be moved and transported in a practical and easy way.
- the palletised loads are normally covered with a stabilising wrap that immobilises the loads on the pallet so they can then be transported without any risk of falling or tipping over.
- Wrapping is normally done by means of either automatic or semi automatic wrapping stations, which use one or more machines, intended to move a wrapping head which supports the reel of plastic film.
- the moving machine is normally composed of a jointed robot arm that, to wind the covering film around the load to wrap, operates the wrapping head with a lifting and rotating motion around the palletised load which, on the contrary, substantially remains still.
- the moving machine works by moving the wrapping head vertically, simultaneously winding the covering film around the palletised load that turns on a rotating platform.
- the reel is mounted on the wrapping head in a rotating way around its own axis and, while wrapping, is kept substantially vertical and parallel to the lateral sides of the load to wrap.
- the plastic film which unwinds from the reel therefore, has two opposing longitudinal edges, one top and one bottom, which extend crosswise to the axis of the reel.
- the wrapping head has particular means to roll up, fold and wrap the bottom longitudinal edge on itself as the plastic film is dispensed.
- the bottom longitudinal edge gets thicker, becoming a particularly strong reinforcement border that can be wound around the pallet without breaking.
- Such wrapping stations make it possible to wrap palletised loads of different shapes and sizes.
- the size of traditional pallets is such that both forks of a forklift truck can be inserted either through the long side or the short side of the pallet. Whatever direction the forks are inserted, therefore, the load is lifted with both forks in stable and safe conditions.
- the auxiliary pallet has the purpose of allowing the movement and transport of the two demi-pallets up to the point of delivery where the two loads resting on the demi-pallets can be separated from each other.
- the reinforcement border in effect, not only allows the stabilising wrap to adhere to the pallets but also makes the demi-pallets integral with each other so they can be transported without using the auxiliary pallet.
- two consecutive wrapping stations are normally used, each with a rotating platform and a machine to move the reel of plastic film.
- One wrapping station is for winding single palletised loads, while the other is for wrapping two palletised loads, one against the other.
- the above mentioned wrapping process can be done with just one station, with just one rotating platform and with just one reel moving machine.
- the wrapping station works as follows: a first palletised load is wrapped on the rotating platform and then temporarily transferred to an adjacent parking roller unit; a second palletised load is placed on the rotating platform and then wrapped; the first and second palletised loads, both wrapped individually, are then put side by side on the rotating platform and wrapped together.
- the patent document FR 2 622 866 discloses a machine comprising two rotary platforms, on which the products to be packaged are placed, a reel carrying the rolled-up film and a vertical column arranged an the vicinity of the platforms and with the aid of which the reel is displaced simultaneously with the rotation of the platforms.
- the column is provided with suitable: rotational means and is displaced automatically from one platform to the other when packaging is completed on one of them.
- the main aim of this invention is to provide a process and a system for wrapping palletised loads that allow to wrap the demi-pallets and the loads on top of them in a practical, easy, quick and functional way and, at the same time, to reduce the overall transportation costs significantly both in terms of less pallets used and in terms of less money spent on installation, maintenance and management of the wrapping station.
- Another object of this invention is to provide a process and a system for wrapping palletised loads that allow to overcome the mentioned drawbacks of the known technique as part of a simple, rational, easy, effective use and low cost solution.
- this system for wrapping palletised loads comprising at least a first rotating platform suitable for receiving in succession at least a first palletised load and at least a second palletised load to wrap, at least a second rotating platform suitable for receiving simultaneously said first and second palletised loads, and a single movement machine.
- first and second palletised loads are substantially side by side and together on top of said second rotating platform, characterised by the fact that it comprises at least one forward movement line of said palletised loads along which said first and said second rotating platforms are arranged.
- the system 1 comprises a first rotating platform 2 and a second rotating platform 3.
- the first rotating platform 2 is suitable for receiving in succession a first palletised load 4 and a second palletised load 5 to wrap and make them turn around a vertical axis.
- one palletised load 4, 5 is made to turn at a time.
- the second rotating platform 3 is suitable for receiving simultaneously the first and the second palletised loads 4, 5 and to make them turn simultaneously around a vertical axis.
- the first and the second palletised loads 4, 5 are composed of, respectively, a first load to wrap 4a and a second load to wrap 5a placed, respectively, on top of a first pallet 4b and on top of a second pallet 5b.
- the pallets 4b and 5b consist of two demi-pallets of standardized shapes and dimensions.
- a movement machine 6 for moving a dispensing reel 7 of a covering sheet 8.
- the movement machine 6 is suitable for cooperating with the first rotating platform 2 to wrap in succession the first and the second palletised loads 4, 5 with a first stabilising wrap.
- the movement machine 6 is also suitable for cooperating with the second rotating platform 3 to wrap together the first and the second palletised loads 4, 5 with a second stabilising wrap in a double wrapping configuration where the first and the second palletised loads 4, 5 are substantially side by side and together on top of the second rotating platform 3.
- the movement machine 6 comprises an articulated arm 9, the free end of which has a working head 10 that supports the dispensing reel 7.
- the articulated arm 9 is hinged according to a vertical axis to a fixed base 11, so as to be able to rotate around said axis to bring the dispensing reel 7 close to the first rotating platform 2 or, alternatively, to the second rotating platform 3.
- respective presser elements 12, 13 suitable for lowering and pressing the palletised loads 4, 5 which are on the first rotating platform 2 or on the second rotating platform 3 respectively so as to keep them stable during wrapping.
- the presser elements 12, 13, in detail, are mounted on corresponding supporting columns 14, 15 and operable sliding in a vertical direction so as to come into contact with the top of the palletised loads 4, 5.
- the system 1 also comprises a forward movement line 16 of the palletised loads 4, 5 along which the first and the second rotating platforms 2, 3 are arranged.
- the second rotating platform 3 is arranged downstream from the first rotating platform 2 in the direction of movement of the palletised loads 4, 5 along the forward movement line 16.
- This forward movement line is composed of, e.g., a set of transfer means of the palletised loads 4, 5 suitable for placing the first palletised load 4 on top of the first rotating platform 2, for moving the first palletised load 4 away from the first rotating platform 2, for placing the second palletised load 5 on top of the first rotating platform 2, for moving the second palletised load 5 away from the first rotating platform 2, for positioning the palletised loads 4, 5 in the double wrapping configuration on the second rotating platform 3 and, lastly, for moving the palletised loads 4, 5 away from the second rotating platform 3.
- a set of transfer means of the palletised loads 4, 5 suitable for placing the first palletised load 4 on top of the first rotating platform 2, for moving the first palletised load 4 away from the first rotating platform 2, for placing the second palletised load 5 on top of the first rotating platform 2, for moving the second palletised load 5 away from the first rotating platform 2, for positioning the palletised loads 4, 5 in the double wrapping configuration on the second rotating platform 3 and, lastly, for moving the palletised loads 4, 5 away from the second rotating platform 3.
- the transfer means 16 comprise: a conveyor belt 17 mounted on a fixed supporting frame arranged immediately upstream of the first rotating platform 2; a first motorised roller unit 18 mounted on the first rotating platform 2; a first roller conveyor 19 mounted on a fixed supporting frame interposed between the first rotating platform 2 and the second rotating platform 3; a second motorised roller unit 20 mounted on the second rotating platform 3; a second roller conveyor 21 mounted on a fixed supporting frame arranged immediately downstream from the second rotating platform 3.
- a labelling machine 22 suitable for labelling the palletised loads 4, 5.
- This labelling machine is arranged in proximity of the first roller conveyor 19 and is suitable for affixing one or more labels on the first stabilising wraps of the palletised loads 4, 5 coming from the first rotating platform 2.
- the process according to the invention also contemplates an additional phase that consists of joining the pallet 4b of the first palletised load 4 and the pallet 5b of the second palletised load 5 together in the double wrapping configuration.
- this phase of joining occurs simultaneously with the wrapping together phase of the first and second palletised loads 4, 5 ( figure 6 ).
- the joining phase consists of folding the bottom longitudinal edge of the covering sheet 8 over on itself with the aid of a wheel 23 so as to form a reinforcement border 24 and wrapping once or more times the covering sheet 8 around the first and the second palletised loads 4, 5 in the double wrapping configuration, tightening the reinforcement border 24 around the pallets 4b, 5b of the first and of the second palletised loads 4, 5 to form one or more holding coils of the pallets.
- the number of coils tightened around the pallets 4b, 5b corresponds to the number of wrappings of the covering sheet 8 around the base of the loads to wrap 4a, 5a and can vary according to load type.
- Alternative embodiments of this invention are not, however, excluded where the joining phase is different and consists of, e.g., an intermediate station placed in between the first and the second platforms 2, 3 and suitable for lifting the palletised loads 4, 5 and for placing them on top of an auxiliary pallet of a bigger size.
- the phase of wrapping together the first and the second palletised loads 4, 5 on the second rotating platform 3 does not necessitate the application of a set of coils to hold the pallets 4b, 5b and consists of winding the covering sheet 8 around the auxiliary pallet.
- the palletised loads 4, 5 to wrap together on the second rotating platform 3 are only two.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Pallets (AREA)
Abstract
Description
- This invention refers to a process and a system for wrapping palletised loads.
- As is common knowledge, the palletised loads consist of one or more goods distributed in a more or less orderly manner on a pallet so it can be moved and transported in a practical and easy way.
- The palletised loads are normally covered with a stabilising wrap that immobilises the loads on the pallet so they can then be transported without any risk of falling or tipping over.
- To make such a stabilising covering the usual way is to tightly wrap the sides of the load and pallet with a plastic covering film that is unwound from a dispensing reel.
- Wrapping is normally done by means of either automatic or semi automatic wrapping stations, which use one or more machines, intended to move a wrapping head which supports the reel of plastic film.
- The moving machine is normally composed of a jointed robot arm that, to wind the covering film around the load to wrap, operates the wrapping head with a lifting and rotating motion around the palletised load which, on the contrary, substantially remains still.
- Alternatively, the moving machine works by moving the wrapping head vertically, simultaneously winding the covering film around the palletised load that turns on a rotating platform.
- The reel is mounted on the wrapping head in a rotating way around its own axis and, while wrapping, is kept substantially vertical and parallel to the lateral sides of the load to wrap.
- The plastic film which unwinds from the reel, therefore, has two opposing longitudinal edges, one top and one bottom, which extend crosswise to the axis of the reel.
- To increase the adhesion force of the plastic film on the pallet, the wrapping head has particular means to roll up, fold and wrap the bottom longitudinal edge on itself as the plastic film is dispensed.
- Due to the effect of rolling up, the bottom longitudinal edge gets thicker, becoming a particularly strong reinforcement border that can be wound around the pallet without breaking.
- Such wrapping stations make it possible to wrap palletised loads of different shapes and sizes.
- To this end, the fact is underlined that, for logistic management reasons, smaller pallets are increasingly resorted to in medium and big distribution chains, conventionally called "demi-pallets" or "semi-pallets" due to the fact their standard dimensions are equivalent to half the size of traditional pallets.
- Unlike traditional pallets, e.g. the so-called "euro-pallet", it is often impossible to use traditional forklift trucks (normally used to load and unload goods) to pick up demi-pallets.
- In fact, the size of traditional pallets is such that both forks of a forklift truck can be inserted either through the long side or the short side of the pallet. Whatever direction the forks are inserted, therefore, the load is lifted with both forks in stable and safe conditions.
- But the width of the demi-pallets on their short side allows just one fork of a traditional forklift truck to be inserted which means that lifting a palletised load under such conditions is particularly awkward and dangerous.
- To overcome such drawbacks and to stabilise the loads on the demi-pallets, two demi-pallets with their loads are normally put on a traditional size auxiliary pallet that can hold both demi-pallets side by side.
- The loads, demi-pallets and auxiliary pallet, thus assembled, are then wrapped together.
- The auxiliary pallet has the purpose of allowing the movement and transport of the two demi-pallets up to the point of delivery where the two loads resting on the demi-pallets can be separated from each other.
- This load wrapping method, however, has some drawbacks among which is the fact that using auxiliary pallets leads to a big increase in overall transportation costs.
- In this regard, the fact is underlined that in some cases the actual cost of the auxiliary pallets has a considerable effect on the final price of the products transported, especially when the goods are particularly bulky and not all that expensive in the first place.
- The necessity to place the demi-pallets and relative loads on top of an auxiliary pallet, furthermore, means that particular types of additional equipment have to be used to lift the demi-pallets and position the auxiliary pallet under them. Inconveniently, said additional equipment constitutes a supplementary cost in terms of installation, maintenance and overall system management.
- To overcome such inconveniences, a particular wrapping process is known where two palletised loads are placed side by side so the two demi-pallets they are put on are placed side by side, and then the plastic film is wrapped around the palletised loads, tightening the reinforcement border of the covering sheet which is folded over itself around the demi-pallets.
- The reinforcement border, in effect, not only allows the stabilising wrap to adhere to the pallets but also makes the demi-pallets integral with each other so they can be transported without using the auxiliary pallet.
- To actuate this process, two consecutive wrapping stations are normally used, each with a rotating platform and a machine to move the reel of plastic film. One wrapping station is for winding single palletised loads, while the other is for wrapping two palletised loads, one against the other.
- In this case, however, the wrapping system becomes particularly complex and costly, both in terms of installation expenses and in terms of the high running, labour and maintenance costs.
- As an alternative to using two wrapping stations in series, the above mentioned wrapping process can be done with just one station, with just one rotating platform and with just one reel moving machine.
- In this case, the wrapping station works as follows: a first palletised load is wrapped on the rotating platform and then temporarily transferred to an adjacent parking roller unit; a second palletised load is placed on the rotating platform and then wrapped; the first and second palletised loads, both wrapped individually, are then put side by side on the rotating platform and wrapped together.
- Even this solution has several drawbacks, one of them being that system production output is greatly limited by the lengthy down times when no palletised load is being wrapped.
- This is mainly due to the time it takes to place the palletised loads on the rotating platform.
- In fact, the movement of palletised loads that have not yet been stabilised is risky and has to be done slowly so the loads cannot fall or turn over accidentally.
- Summing up then, a great deal of total processing time is required for handling the loads, during which the machine to move the reel of plastic film and the rotating platform are substantially at a standstill.
- The
patent document FR 2 622 866 - The column is provided with suitable: rotational means and is displaced automatically from one platform to the other when packaging is completed on one of them.
- The main aim of this invention is to provide a process and a system for wrapping palletised loads that allow to wrap the demi-pallets and the loads on top of them in a practical, easy, quick and functional way and, at the same time, to reduce the overall transportation costs significantly both in terms of less pallets used and in terms of less money spent on installation, maintenance and management of the wrapping station.
- Another object of this invention is to provide a process and a system for wrapping palletised loads that allow to overcome the mentioned drawbacks of the known technique as part of a simple, rational, easy, effective use and low cost solution.
- The objects mentioned above are reached with this process for wrapping palletised loads, characterised by the fact that it comprises the following phases:
- supplying at least a first rotating platform suitable for receiving in succession at least a first and at least a second palletised loads to wrap, at least a second rotating platform suitable for receiving simultaneously said first and second palletised loads and a single movement machine for moving a covering sheet suitable for cooperating with said first rotating platform to wrap in succession said first and second palletised loads with a first stabilising wrap, and for cooperating with said second rotating platform to wrap together said first and second palletised loads with a second stabilising wrap;
- placing said first palletised load on top of said first rotating platform;
- wrapping said first palletised load placed on top of said first rotating platform with said first stabilising wrap;
- moving said first palletised load away from said first rotating platform;
- placing said second palletised load on top of said first rotating platform;
- wrapping said second palletised load placed on top of said first rotating platform with said first stabilising wrap;
- moving said second palletised load away from said first rotating platform;
- positioning said first and second palletised loads in a double wrapping configuration where said first and second palletised loads are substantially side by side and together on top of said second rotating platform;
- wrapping together said first and second palletised loads in said double wrapping configuration with said second stabilising wrap.
- The above mentioned objects are reached with this system for wrapping palletised loads, comprising at least a first rotating platform suitable for receiving in succession at least a first palletised load and at least a second palletised load to wrap, at least a second rotating platform suitable for receiving simultaneously said first and second palletised loads, and a single movement machine. for moving a covering sheet suitable for cooperating with said first rotating platform to wrap in succession said first and said second palletised loads with a first stabilising wrap and for cooperating with said second rotating platform to wrap together said first and said second palletised loads with a second stabilising wrap in a double wrapping configuration where said first and second palletised loads are substantially side by side and together on top of said second rotating platform, characterised by the fact that it comprises at least one forward movement line of said palletised loads along which said first and said second rotating platforms are arranged.
- Further characteristics and advantages of this invention will appear more evident from the description of a preferred but not only embodiment of a system for wrapping palletised loads, illustrated indicatively by way of non limiting example in the accompanying drawings, wherein:
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figure 1 is a plan view of the system according to the invention; -
figure 2 is a side raised, schematic and partial view of the system according to the invention; - figures from 3 to 6 show, in a sequence of plan views, the operation of the system according to the invention.
- With particular reference to such figures, a system for wrapping palletised loads has been globally indicated by 1.
- The system 1 comprises a first
rotating platform 2 and a secondrotating platform 3. - The first rotating
platform 2 is suitable for receiving in succession a firstpalletised load 4 and a secondpalletised load 5 to wrap and make them turn around a vertical axis. - In this regard, note that when, in this paper, it is stated that the first and the second
palletised loads platform 2 it is meant that the secondpalletised load 5 does not engage the first rotatingplatform 2 until the firstpalletised load 2 is on it and vice versa. - On the first rotating
platform 2, therefore, onepalletised load - The second
rotating platform 3, on the other hand, is suitable for receiving simultaneously the first and the second palletised loads 4, 5 and to make them turn simultaneously around a vertical axis. - The first and the second palletised loads 4, 5 are composed of, respectively, a first load to wrap 4a and a second load to wrap 5a placed, respectively, on top of a
first pallet 4b and on top of asecond pallet 5b. - The
pallets - In proximity of the first and of the
second platform movement machine 6 for moving a dispensingreel 7 of acovering sheet 8. - The
movement machine 6 is suitable for cooperating with the firstrotating platform 2 to wrap in succession the first and the second palletised loads 4, 5 with a first stabilising wrap. - The
movement machine 6 is also suitable for cooperating with the secondrotating platform 3 to wrap together the first and the second palletised loads 4, 5 with a second stabilising wrap in a double wrapping configuration where the first and the second palletised loads 4, 5 are substantially side by side and together on top of the secondrotating platform 3. - In the embodiments illustrated in the figures, the
movement machine 6 comprises an articulatedarm 9, the free end of which has a workinghead 10 that supports the dispensingreel 7. - The articulated
arm 9 is hinged according to a vertical axis to a fixedbase 11, so as to be able to rotate around said axis to bring the dispensingreel 7 close to the firstrotating platform 2 or, alternatively, to the secondrotating platform 3. - In proximity of the
rotating platforms respective presser elements rotating platform 2 or on the secondrotating platform 3 respectively so as to keep them stable during wrapping. - The
presser elements columns - The system 1 also comprises a
forward movement line 16 of the palletised loads 4, 5 along which the first and the secondrotating platforms - In detail, the second
rotating platform 3 is arranged downstream from the firstrotating platform 2 in the direction of movement of the palletised loads 4, 5 along theforward movement line 16. - This forward movement line is composed of, e.g., a set of transfer means of the palletised loads 4, 5 suitable for placing the
first palletised load 4 on top of the firstrotating platform 2, for moving thefirst palletised load 4 away from the firstrotating platform 2, for placing thesecond palletised load 5 on top of the firstrotating platform 2, for moving thesecond palletised load 5 away from the firstrotating platform 2, for positioning the palletised loads 4, 5 in the double wrapping configuration on the secondrotating platform 3 and, lastly, for moving the palletised loads 4, 5 away from the secondrotating platform 3. - In the particular embodiment of the invention illustrated in the figures, the transfer means 16 comprise: a
conveyor belt 17 mounted on a fixed supporting frame arranged immediately upstream of the firstrotating platform 2; a firstmotorised roller unit 18 mounted on the firstrotating platform 2; afirst roller conveyor 19 mounted on a fixed supporting frame interposed between the firstrotating platform 2 and the secondrotating platform 3; a secondmotorised roller unit 20 mounted on the secondrotating platform 3; asecond roller conveyor 21 mounted on a fixed supporting frame arranged immediately downstream from the secondrotating platform 3. - Advantageously, along the
forward movement line 16 is arranged alabelling machine 22 suitable for labelling the palletised loads 4, 5. - This labelling machine is arranged in proximity of the
first roller conveyor 19 and is suitable for affixing one or more labels on the first stabilising wraps of the palletised loads 4, 5 coming from the firstrotating platform 2. - Usefully, the wrapping of the palletised loads 4, 5 inside the system 1 is done by means of the process according to the invention which consists of the following phases:
- supplying the first
rotating platform 2, the secondrotating platform 3 and themovement machine 6 of thecovering sheet 8; - placing the
first palletised load 4 on top of the firstrotating platform 2, making it move forward on theconveyor belt 17 and then on the firstmotorised roller unit 18; - wrapping the
first palletised load 4 placed on top of the firstrotating platform 2 with a first stabilising wrap (figure 3 ); - moving the
first palletised load 4 away from the firstrotating platform 2, making it move forward on the firstmotorised roller unit 18 and then on thefirst roller conveyor 19; - placing the
second palletised load 5 on top of the firstrotating platform 2, making it move forward on theconveyor belt 17 and then on the firstmotorised roller unit 18; - wrapping the
second palletised load 5 placed on top of the firstrotating platform 2 with a first stabilising wrap (figure 4 ); - moving the
second palletised load 5 away from the firstrotating platform 2, making it move forward on the firstmotorised roller unit 18 and then on thefirst roller conveyor 19; - labelling the palletised loads 4, 5 with the
labelling machine 22, affixing one or more labels on the first stabilising wraps of the palletised loads 4, 5 as they go from the firstrotating platform 2 to the second rotating platform 3 (figure 5 ); - positioning the first and the second palletised loads 4, 5 in the double wrapping configuration on top of the second
rotating platform 3, making them move forward on thefirst roller conveyor 19 and then on the secondmotorised roller unit 20; - wrapping together the first and the second palletised loads 4, 5 in the double wrapping configuration with a second stabilising wrap (
figure 6 ); - moving the first and the second palletised loads 4, 5 away from the second
rotating platform 3, making them move forward on the secondmotorised roller unit 20 and then on thesecond roller conveyor 21. - Usefully, after the labelling phase the process according to the invention also contemplates an additional phase that consists of joining the
pallet 4b of thefirst palletised load 4 and thepallet 5b of thesecond palletised load 5 together in the double wrapping configuration. - In the particular embodiment of the invention illustrated in the figures, this phase of joining occurs simultaneously with the wrapping together phase of the first and second palletised loads 4, 5 (
figure 6 ). - In fact, the joining phase consists of folding the bottom longitudinal edge of the
covering sheet 8 over on itself with the aid of awheel 23 so as to form areinforcement border 24 and wrapping once or more times thecovering sheet 8 around the first and the second palletised loads 4, 5 in the double wrapping configuration, tightening thereinforcement border 24 around thepallets - All the coils tightened around the
pallets pallets figure 2 ). - The number of coils tightened around the
pallets covering sheet 8 around the base of the loads to wrap 4a, 5a and can vary according to load type. - Alternative embodiments of this invention are not, however, excluded where the joining phase is different and consists of, e.g., an intermediate station placed in between the first and the
second platforms - In this case, the phase of wrapping together the first and the second palletised loads 4, 5 on the second
rotating platform 3 does not necessitate the application of a set of coils to hold thepallets covering sheet 8 around the auxiliary pallet. - In the particular embodiment of the invention illustrated in the figures, moreover, the palletised loads 4, 5 to wrap together on the second
rotating platform 3 are only two. - Alternative embodiments of this invention are not, however, excluded where, on the first
rotating platform 2, three or more palletised loads are wrapped in succession which, once transferred on to the secondrotating platform 3, are wrapped together in exactly the same way as described and illustrated previously. - It has in point of fact being ascertained how the described invention achieves the proposed objects.
- The invention thus conceived is susceptible to numerous modifications and variations, all of which falling within the scope of the inventive concept. Furthermore all the details can be replaced with others that are technically equivalent.
- In practice, the materials used, as well as the contingent shapes and dimensions, may be any according to requirements without because of this moving outside the protection scope of the following claims.
Claims (23)
- Process for wrapping palletised loads (4, 5), characterised by the fact that it comprises the following phases:- supplying at least a first rotating platform (2) suitable for receiving in succession at least a first and at least a second palletised loads (4, 5) to wrap, at least a second rotating platform (3) suitable for receiving simultaneously said first and second palletised loads (4, 5) and a single movement machine (6) for moving a covering sheet (8) suitable for cooperating with said first rotating platform (2) to wrap in succession said first and second palletised loads (4, 5) with a first stabilising wrap, and for cooperating with said second rotating platform (3) to wrap together said first and second palletised loads (4, 5) with a second stabilising wrap;- placing said first palletised load (4) on top of said first rotating platform (2);- wrapping said first palletised load (4) placed on top of said first rotating platform (2) with said first stabilising wrap;- moving said first palletised load (4) away from said first rotating platform (2);- placing said second palletised load (5) on top of said first rotating platform (2);- wrapping said second palletised load (5) placed on top of said first rotating platform (2) with said first stabilising wrap;- moving said second palletised load (5) away from said first rotating platform (2);- positioning said first and second palletised loads (4, 5) in a double wrapping configuration where said first and second palletised loads (4, 5) are substantially side by side and together on top of said second rotating platfonn (3);- wrapping together said first and second palletised loads (4, 5) in said double wrapping configuration with said second stabilising wrap.
- Process according to claim 1, characterised by the fact that said phases of placing, said phases of moving away and said phase of positioning comprise moving said first and said second palletised loads (4, 5) forward along a forward movement line (16) along which said first and said second rotating platforms (2, 3) are arranged.
- Process according to claim 2, characterised by the fact that said second rotating platform (3) is arranged downstream from said first rotating platform (2) along said forward movement line (16).
- Process according to one or more of the preceding claims, characterised by the fact that it comprises labelling at least one between said first and said second palletised loads (4, 5).
- Process according to claim 4, characterised by the fact that said labelling comprises affixing at least one label on at least one between said first and said second stabilising wraps.
- Process according to claim 4 or 5, characterised by the fact that said labelling said first palletised load (4) occurs after said moving the first palletised load (4) away from said first rotating platform (2).
- Process according to one or more of claims 4 to 6, characterised by the fact that said labelling said second palletised load (5) occurs after said moving the second palletised load (5) away from said first rotating platform (2).
- Process according to one or more of the preceding claims, characterised by the fact that it comprises joining the pallet (4b) of said first palletised load (4) and the pallet (5b) of said second palletised load (5) together in said double wrapping configuration.
- Process according to claim 8, characterised by the fact that said joining occurs during said wrapping together said first and second palletised loads (4, 5).
- Process according to claim 9, characterised by the fact that said joining comprises folding at least one longitudinal edge of the covering sheet (8) over on itself so as to form a reinforcement border (24) and wrapping at least once the covering sheet (8) around said first and said second palletised loads (4, 5) in said double wrapping configuration, tightening said reinforcement border (24) around the pallets (4b, 5b) of said first and of said second palletised loads (4, 5) to form at least one holding coil of the pallets (4b, 5b).
- Process according to one or more of the preceding claims, characterised by the fact that at least one of the pallets (4b, 5b) of said first and of said second palletised loads (4, 5) is of the "demi-pallet" type.
- System (1) for wrapping palletised loads (4, 5), comprising at least a first rotating platform (2) suitable for receiving in succession at least a first palletised load (4) and at least a second palletised load (5) to wrap, at least a second rotating platform (3) suitable for receiving simultaneously said first and second palletised loads (4,5), and a single a movement machine (6) for moving a covering sheet (8) suitable for cooperating with said first rotating platform (2), to wrap in succession said first and said second palletised loads (4, 5) with a first stabilising wrap and for cooperating with said second rotating platform (3) to wrap together said first and said second palletised loads (4, 5) with a second stabilising wrap in a double wrapping configuration where said first and second palletised loads (4, 5) are substantially side by side and together on top of said second rotating platform (3), characterised by the fact that it comprises at least one forward movement line (16) of said palletised loads (4, 5) along which said first and said second rotating platforms (2, 3) are arranged.
- System (1) according to claim 12, characterised by the fact that said second rotating platform (3) is arranged downstream from said first rotating platform (2) along said forward movement line (16).
- System (1) according to claim 12 or 13, characterised by the fact that said forward movement line (16) comprises transfer means of said palletised loads (4, 5) suitable for placing said first palletised load (4) on top of said first rotating platform (2), for moving said first palletised load (4) away from said first rotating platform (2), for placing said second palletised load (5) on top of said first rotating platform (2), for moving said second palletised load (5) away from said first rotating platform (2) and for positioning said first and said second palletised loads (4,5) in said double wrapping configuration.
- System (1) according to claim 14, characterised by the fact that said transfer means (16) comprise at least one conveyor belt (17) mounted on a fixed supporting frame arranged upstream of said first rotating platform (2).
- System (1) according to claim 14 or 15, characterised by the fact that said transfer means (16) comprise at least one first roller unit (18) mounted on said first rotating platform (2).
- System (1) according to one or more of claims 14 to 16, characterised by the fact that said transfer means (16) comprise at least a first roller conveyor (19) mounted on a fixed supporting frame substantially interposed between said first and said second rotating platforms (2, 3).
- System (1) according to one or more of claims 14 to 17, characterised by the fact that said transfer means (16) comprise at least a second roller unit (20) mounted on said second rotating platform (3).
- System (1) according to one or more of claims 14 to 18, characterised by the fact that said transfer means (16) comprise at least a second roller conveyor (21) mounted on a fixed supporting frame arranged downstream from said second rotating platform (3).
- System (1) according to one or more of claims 12 to 19, characterised by the fact that it comprises at least one labelling machine (22) suitable for labelling at least one between said first and said second palletised loads (4, 5).
- System (1) according to claim 20, characterised by the fact that said labelling machine (22) is arranged along said forward movement line (16).
- System (1) according to one or more of claims 12 to 21, characterised by the fact that said labelling machine (22) is arranged in proximity of said first roller conveyor (19).
- System (1) according to one or more of claims 12 to 22, characterised by the fact that at least one of the pallets (4b, 5b) of said first and of said second palletised loads (4, 5) is of the "demi-pallet" type.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000145A ITMO20070145A1 (en) | 2007-04-27 | 2007-04-27 | "PROCEDURE AND PLANT FOR THE BANDING OF PALLETIZED LOADS" |
PCT/IB2008/000765 WO2008132566A1 (en) | 2007-04-27 | 2008-03-31 | Process and system for wrapping palletised loads |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2150465A1 EP2150465A1 (en) | 2010-02-10 |
EP2150465B1 true EP2150465B1 (en) | 2011-03-02 |
Family
ID=39673430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08737364A Active EP2150465B1 (en) | 2007-04-27 | 2008-03-31 | Process and system for wrapping palletised loads |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2150465B1 (en) |
AT (1) | ATE500139T1 (en) |
DE (1) | DE602008005298D1 (en) |
ES (1) | ES2360911T3 (en) |
IT (1) | ITMO20070145A1 (en) |
WO (1) | WO2008132566A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900025165A1 (en) * | 2019-12-20 | 2021-06-20 | Atlanta Stretch S P A | Handling system equipped with a station to detect the position and size of a moving object |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3144025A1 (en) * | 2021-01-11 | 2022-07-11 | Rehrig Pacific Company | Turntable system |
AT525393B1 (en) * | 2021-08-25 | 2023-08-15 | Mondi Ag | Device, arrangement and method for wrapping cargo with a paper web |
EP4209434A1 (en) * | 2022-01-11 | 2023-07-12 | Rehrig Pacific Company | Turntable system for a loaded pallet |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2008368A6 (en) | 1987-11-05 | 1989-07-16 | Agfer S A | Automatic machine for packaging, particularly with the aid of a film |
US4955181A (en) * | 1989-10-27 | 1990-09-11 | Liberty Industries | Wipe down apparatus for stretch wrapping devices |
-
2007
- 2007-04-27 IT IT000145A patent/ITMO20070145A1/en unknown
-
2008
- 2008-03-31 EP EP08737364A patent/EP2150465B1/en active Active
- 2008-03-31 ES ES08737364T patent/ES2360911T3/en active Active
- 2008-03-31 AT AT08737364T patent/ATE500139T1/en not_active IP Right Cessation
- 2008-03-31 DE DE602008005298T patent/DE602008005298D1/en active Active
- 2008-03-31 WO PCT/IB2008/000765 patent/WO2008132566A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201900025165A1 (en) * | 2019-12-20 | 2021-06-20 | Atlanta Stretch S P A | Handling system equipped with a station to detect the position and size of a moving object |
Also Published As
Publication number | Publication date |
---|---|
ATE500139T1 (en) | 2011-03-15 |
ES2360911T3 (en) | 2011-06-10 |
ITMO20070145A1 (en) | 2008-10-28 |
DE602008005298D1 (en) | 2011-04-14 |
WO2008132566A1 (en) | 2008-11-06 |
EP2150465A1 (en) | 2010-02-10 |
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