CN101903251A - Method for manufacturing a palletless packaging unit - Google Patents
Method for manufacturing a palletless packaging unit Download PDFInfo
- Publication number
- CN101903251A CN101903251A CN2008801184950A CN200880118495A CN101903251A CN 101903251 A CN101903251 A CN 101903251A CN 2008801184950 A CN2008801184950 A CN 2008801184950A CN 200880118495 A CN200880118495 A CN 200880118495A CN 101903251 A CN101903251 A CN 101903251A
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- product storehouse
- layer
- storehouse
- meshing zone
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004806 packaging method and process Methods 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims description 34
- 238000005538 encapsulation Methods 0.000 claims description 26
- 230000008602 contraction Effects 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 claims description 15
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- 229920003023 plastic Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
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- 229920006300 shrink film Polymers 0.000 description 2
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Classifications
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- 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
- B65B9/13—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 supplied in a flattened state
- B65B9/135—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 supplied in a flattened state for palletised loads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
- Packages (AREA)
Abstract
The present invention relates to a method for the production of a palletless packaging unit (24) comprising multiple packaging objects (4) stacked into a product stack (2), wherein the packaging objects (4) are stacked such that at least two engagement regions (10) are formed on at least one stack level for the fork arms of a forklift, the product stack (2) is encased at the engagement region thereof using a first film (14), the product stack (16) encased on one side is turned such that the part of the product stack (16) having the engagement regions (10) is placed at the bottom, and the product stack (16) is encased using a second film (20) reaching up to the first film (14). The aim of the present invention is to provide an improved method for the production of a palletless packaging unit. In order attain said aim, the invention proposes that the first and the second films each be formed from a tube, the circumference of which is initially smaller than the circumference of the product stack, and which is stretched before encasing the product stack to a circumference greater than the circumference of the product stack, and has an elastic circumferential tension on the product stack.
Description
Technical field
The present invention relates to a kind of method that is used to produce no supporting plate encapsulation unit, this no supporting plate encapsulation unit comprises a plurality of packaged articles that are stacked in the product storehouse, wherein packaged articles is stacked as and makes at least one stack level of the prong that is used for the fork load-unload machine and to form at least two meshing zonees, at least in the meshing zone of product storehouse, use the first film product wrapping storehouse, the product storehouse upset that one side is wrapped is to make the part with meshing zone of this product storehouse be placed on the bottom, and uses the second film product wrapping storehouse that extends preferably in the meshing zone.
Background technology
This method can be learnt from the DE 26 14 558 that authorizes to the applicant and DE 27 02613.In this known method, drawing is shunk cover as first film above the product storehouse, and the thermal contraction by with another plastic film welding of just being placed on before on the product storehouse time subsequently should be covered and closely is placed on the product storehouse.After turning operation, above storehouse another shrink film cover of drawing as second film, and this another shrink film cover equally by with first film overlap district's welding the time thermal contraction be retracted on the storehouse.
Verified this universal method is particularly useful for forming following encapsulation unit, these encapsulation units comprise bag or the bag that piles up, for example bagged concrete, packed gypsum or packed mortar, promptly particularly in following field, wherein use supporting plate to come the stored prod storehouse uncommon, and/or after unloading packaged articles, return the supporting plate trouble that becomes too.
Yet, the execution of this universal method required, be used to make two films to be retracted to the consumption of the heat energy on the product storehouse and apply all very complicated, particularly for two retes each other for the welding.This welding is considered to that to be connected to for lower unit be not essential for will there being the supporting plate layer, although wherein owing to not existing supporting plate to lose the smooth surface of depositing, this unit still allows the transportation of multiple processing and safety, and does not exist the product storehouse will lose its stable risk.
The present invention is based on this problem a kind of improved method that is used to produce no supporting plate encapsulation unit is provided.
Summary of the invention
In order to solve described problem, the present invention proposes the method for the feature that comprises claim 1.The difference of described method and general-duty prior art is, first film and second film form by pipe, its girth is initially less than the girth of product storehouse, and it is stretched reaching the girth greater than the girth of product storehouse before the product wrapping storehouse, and utilizes the circumferential tension force of elasticity to be placed on the product storehouse.In other words, in universal method, by stretch two film pipes and by on respect to the opposite sense of the altitude axis of product storehouse on the product storehouse two film pipes of drawing produce no supporting plate encapsulation unit.Surprisingly, have been found that the film pipe (for example disclosed in EP 1 013 549) that can use stretching equally produces following no supporting plate encapsulation unit, even this no supporting plate encapsulation unit is through also showing stability and the particularity on necessary strength and the size after the multiple processing.According to the unexpected test result that the applicant obtains, the encapsulation unit of Sheng Chaning can also be produced in the failure-free mode by this way, and does not need to be used to form the supporting plate of storage area.At this, must guarantee to be stacked as and make the meshing zone that is used for prong allow prong to introduce around the packaged articles of meshing zone, even especially first film is installed as make described film with tangent mode with under the situation of the edge interconnection of meshing zone, also be like this.This and the adjacent area that is not precluded within the opposite flank of product storehouse are provided for the possibility of the meshing zone of prong.The meshing zone that is used for prong can for example form and make create clearance envelope between two packaged articles that are arranged on the stack level.Yet usually, meshing zone will be formed on the opposite edges of product storehouse, thereby makes the prong of fork load-unload machine to be incorporated in the meshing zone by moving towards each other prong equally, and these prongs initially are placed near the product storehouse side direction.For example, get involved by this of prong, the membrane material at two edges that can initial tangent ground bridge joint product storehouse pushes in meshing zone, thus make prong near formation product storehouse layer.
Meshing zone is formed by so-called special layers usually, and this special layers is piled up differently with the common layer of product storehouse and had than the littler floor space of described common layer.Formed under the situation of product storehouse by measure-alike packaged articles (for example filling the sack of bulk material), this special layers comprises than common layer packaged articles still less.For the formation of meshing zone, can also pile up a plurality of special layers in a folded ground, thereby obtain having the meshing zone of bigger engagement height.
According to a preferred embodiment of the invention, first film and second film are made of same pipe.If the product storehouse that will wrap up after turning operation just in time is used second film in its position that equally has been used the covering of first film and covers, this can be same pipe.In addition, using adhesives and/or using friction to strengthen the surface provides first film on can be externally and/or can provide second film on the inside, thereby makes the each several part of two films in the coincidence district that is provided at first film and second film catch on each other or adhere to.
In order to increase particularly the intensity of encapsulation unit during transportation, according to another decision design of the present invention, suggestion was placed on the product storehouse before using the first film product wrapping storehouse and is kept layer, promptly was placed as the packaged articles that makes that described maintenance layer covers meshing zone and provides in its adjacent area.After finishing, encapsulation unit through wrapping up is by particularly strengthening near meshing zone and the maintenance layer on meshing zone, thereby make when the fork load-unload machine rises the product storehouse, prevented that reliably the following of product stack layer between the single prong of prong or horizontal process from bending.In above-mentioned decision design, meshing zone should be provided as the relatively vertically side that is directly adjacent to the product storehouse, promptly on the opposite edges of product storehouse, thereby make by moving towards each other prong, the prong of fork load-unload machine can be at first be directed in the both sides through the product storehouse, and can only be brought in the meshing zone and first film and keeping under the layer.Therefore, prong is introduced into basically, and can promptly not destroy film owing to moving towards each other prong owing to laterally clamping motion.
Keep layer should preferably have net structure, it comprises rough surface and demonstrates higher puncture resistance, shows certain resistivity so that collide under the situation that keeps layer at the fork load-unload machine for the prong that may strike the fork load-unload machine.This can prevent the situation that prong is severed the maintenance layer and destroyed packaged articles.Keep the rough surface of layer to realize for smooth film surface in other cases by revising.Especially, film should not waxed.Provide suitably coarse surface by fabric especially.Must be noted that at this fabric should be coarse relatively, thereby the profile of the feasible filament that interweaves is created specific roughness of surface on the surface that keeps layer.Particularly preferably, keep layer to form by elastomeric material.Therefore, by the fabric that syntheticfibres constitutes,, should be preferred such as PP or PE fiber.Particularly preferably, the material with first film and second film is identical respectively for the material of maintenance layer, this has brought following advantage, and promptly after the product storehouse had been taken apart, product wrapping storehouse or all layers that are placed on the product storehouse can be reused (recycling) in the mode of the best.Keep the roughness of layer to improve its stationarity between the article and first tubular cover.
Certainly, before use first film wrapped up described storehouse, some maintenances layers were placed on a folded ground on the product storehouse at first in the above described manner.Keep layer mainly and even be to provide the machinery of encapsulation unit downside to strengthen exclusively.Therefore, keeping layer to strengthen film web by fabric forms.As alternative or additional, keep layer to form by the width of cloth that uses cellular structure to strengthen.In this preferred embodiment, cellular structure can be permeable cellular structure.Each rope strand of grid is as the stretching string, and it makes to be strengthened in the bottom of encapsulation unit.Keep layer can comprise plastic film material, cardboard or knitted fabric.The patch unit of plastics, metal or timber is suitable for forming the maintenance layer equally respectively.
Can on the phase boundary that keeps between the layer and first film web, provide the device of combining closely that helps between two film webs equally.For example, can keep providing adhesives to combine between layer and first film web.Especially, in a preferred embodiment, wherein first film and/or second film were melted so that formation is covered and sliced off from first film of delivery film material and/or the rope strand of second film before the product wrapping storehouse, the use film is with respect to the dimensional configurations of product storehouse floor space and use appropriate procedure during the downside afterwards (promptly in the top side during the location of first film) that covers the product storehouse, can finish the specific stretching of membrane material, realize keep the combining of improvement between layer and first membrane material.If keep layer to have the forming net lattice structure, thereby then its first film that can suitably stretch by the top side at the product storehouse is extruded in the membrane material of first film and is fixed therein.
For example, when the product storehouse that will pile up displacement and be incorporated into when (wherein using the first film product wrapping storehouse) in first workstation, can keep layer be placed on the top side of containing meshing zone.For example, the maintenance layer that dangles downwards can be carried by the product storehouse of parallel motion, and after one section rope strand endlessly of being supplied with of desired length, can downcut film web from described rope strand under drawing.Expect following program at this, the top side of product storehouse during wherein the maintenance layer not only covers and uses first film to cover, but also extend into the adjacent and relative sidewall that exceeds the product storehouse to a certain extent at least.In a kind of like this configuration, the covering of using first film to carry out at least afterwards has following effect, and the longitudinal component that is about to be shelved on the maintenance layer on the product storehouse sidewall is towards this wall extruding, thereby the feasible layer that keeps is further fixing with respect to the product storehouse.This has further improved the maintenance function that keeps layer, and it has guaranteed that each encapsulation unit in the packaged encapsulation unit can not be bent downwardly during rising.
Can also utilize elasticity circumferentially to stretch short tubular cover is placed on the product storehouse as keeping layer, thereby the product storehouse is strengthened by the stretching cover in its underside area afterwards.The tubular cover of described weak point is extended 2 to 4 layers usually on the product storehouse, do not exceed its whole height but can not extend into.In order to simplify this program, short tubular cover is preferably formed by the membrane material of first film, thereby makes the tubular cover of lacking and can use same equipment to produce and can be in the drawing on the product storehouse of same website by the first film formed tubular cover (it covers whole height of entire product storehouse usually).
Keep layer can be before the product storehouse be piled up and/or during or place, and can be arranged in whole or in part between the different layers of product storehouse afterwards layer be fixed in the product storehouse so that will keep.It is also conceivable that at first to keep placing special layers on the layer, the folding layer that keeps on unique layer or top layer, and piling up common layer after this.To pile up 180 ° good of product storehouse upsets then and use first film to cover.Overturning once more after 180 °, using second film to cover the product storehouse.
According to another preferred embodiment of the invention, before first film is positioned, can on the product storehouse, place the bottom and strengthen.Described bottom strengthens and can for example be made of cardboard, plastics, timber or metal membranaceous or sheet, and just is used when landing with afterwards downside whenever the product storehouse is pushed during the product storehouse is handled especially.During transportation and handling, the bottom strengthens protects the lowermost layer of the product storehouse of finishing not to be damaged.In addition, thus the bottom strengthens and may show certain rigidity and to form hard basically bottom.
According to a preferred embodiment of the invention, on described storehouse from top side drawing first film that comprises meshing zone underside area up to the product storehouse.Use this measure, on the whole height of product storehouse, be fixed to described storehouse around the meshing zone and first film that remains on this place, thereby making does not need to worry following situation: promptly first film can be from the vertical landing of described storehouse when the fork load-unload machine rises the product storehouse, and as a result of, the packaged articles of lowermost layer is in gravity direction superior displacement and the easy unitized construction of being piled up of destroying.In order further to reinforce encapsulation unit, in this preferred embodiment, drawing second film on the entire product storehouse basically after upset, thereby make when on the circumferential surface that flexibly is placed on the product storehouse, as abutting against on the product storehouse, and additionally fixed with inserting by first film with first film for second film.Second film should cover the downside before the product storehouse, and at this moment, through upset, it is the top side, thereby makes the product storehouse be covered and be protected in order to avoid infiltrate dust and moisture by the tubular cover that flexibly is placed on the product storehouse in the top side.
Preferably, drawing second film on the product storehouse, thus make described film end at the height place of meshing zone.Preferably, drawing second film on the product storehouse, thus make described film can not hinder or only slightly hinder the engagement of the prong of fork load-unload machine.Preferably, when overwrite procedure finished, second membrane material had been routed in the meshing zone, was promptly thrown in from the contraction finger that is assigned to described contraction roller on one's own initiative under the driving of shrinking roller.Thereby the membrane material at the height place of meshing zone with second film supplies to described meshing zone.Owing to be used for second film is placed on circumferential tension force on the product storehouse, two outer peripheral first films of initial bridge joint product storehouse basically tangently and/or keep the material of layer in meshing zone, to be pushed, thus original contour at the outside of film web acquisition product storehouse made equally.In other words, more materials of second film are supplied in the meshing zone on the peripheral side have following effect, promptly these zones can more easily be touched by the prong of fork load-unload machine, and can not destroy membrane material.
According to a preferred embodiment of the invention, be positioned the upper end of meshing zone reposefully at the upper limb of transferring the contraction finger of film, when promptly the special layers at top finishes part, the delivery film material.In this program, the membrane material of being supplied with is directly carried under minimum common layer, thereby make first film that in the corner regions of product storehouse drawing is initially extended tangently and/or keep the material of layer between two edges of product storehouse, and in the mode of after this reproducing with profile with film product wrapping storehouse.
Preferably, during shrink finger and initiatively supply with second film, the upper limb that shrinks finger be positioned with last common layer under the cooresponding position of 0.25H to 0.5H.At this, H is the height of common layer, the extension on the sense of motion that shrinks finger during covering the product storehouse of promptly common layer.At this, the present invention with the following departure point that is found to be, promptly forms the product storehouse especially, and this product storehouse comprises the goods through encapsulation that generation type is identical, the sack of for example filling.At this on the one hand, each independent stack layer of product storehouse has substantially the same height.This is in order to illustrate that generally speaking, the article that pile up on average have identical height.Sometimes, the goods that is encapsulated in the lower may be compressed owing to the location deadweight of goods through encapsulation thereon.Particularly in the sack that formation is piled up, comprise under the situation of incompressible medium, thereby at the lower level of the whole deadweight that must bear the product storehouse basically of product storehouse and form the top layer of product storehouse and can bear scarcely between the height of those layers of any added weight and do not have notable difference.
According to another preferred embodiment, employed first film and/or second film are the films that demonstrates less relatively circumferential expansion service.Although should be noted that so-called horizontal stretch makes can be effectively from the product storehouse of circumferentially holding with a firm grip, on being placed on the product storehouse after, less circumferential stretching, extension is possible.
The further preferred embodiment of the method according to this invention is illustrated in the dependent claims.
Description of drawings
According to below in conjunction with the description of accompanying drawing to the embodiment of the invention, further details of the present invention and advantage will become obviously, in the accompanying drawing:
Fig. 1 shows the product storehouse that piles up before the use film wraps up;
Fig. 2 shows at the product storehouse of placing after keeping layer shown in Figure 1;
Fig. 3 shows the product storehouse illustrated in figures 1 and 2 after the first hood-shaped film of drawing thereon;
Fig. 4 shows and has wrapped up once and upset product storehouse shown in Figure 3 afterwards;
Fig. 5 shows after second film that use is configured as tubular cover covers once more the encapsulation unit of parcel fully;
Fig. 6 shows the product storehouse that piles up before carrying out the film parcel according to second embodiment of the invention;
Fig. 7 shows at the product storehouse of placing after keeping layer shown in Figure 6;
Fig. 8 show pile up thereon after the special layers according to Fig. 7 by a product storehouse that keeps layer to center on;
Fig. 9 shows the product storehouse shown in Figure 8 after the first hood-shaped film of drawing thereon;
Figure 10 shows the product storehouse that has wrapped up once and overturn Fig. 9 afterwards;
Figure 11 shows after second film that use is configured as tubular cover covers once more the encapsulation unit of parcel fully;
Figure 12 shows the details E according to Figure 11 that is right after before the overlapping operation of carrying out stop using second film; And
Figure 13 shows the details of the amplification shown in Figure 12 after use second film covers fully.
The specific embodiment
Fig. 1 shows the embodiment of product storehouse 2, and product storehouse 2 comprises a plurality of packaged articles 4 that are combined on the corresponding stack level, and it is formed by bagged cement in this example.Some grades packaged articles 4 is piled up by a folded ground.In common layer 5, each stack level demonstrates the packaged articles 4 of similar number, thereby obtains being essentially foursquare product storehouse 2.Have only upper layer just can form special layers 7 and comprise less packaged articles 4, thereby make and be formed with meshing zone 10 on the product storehouse edge between top side 6 and the opposite flank 8, meshing zone 10 promptly extends on the entire depth of product storehouse 2 with the extension that meets at right angles with respect to shown in the drawings and side 8 parallel planes.With the width of meshing zone 10, promptly side 8 and side (side of top packaged articles 4.1,4.2 just) of extending in parallel thus between distance be chosen as and make the prong of fork load-unload machine almost completely or fully under the common layer 5 of product storehouse 2, to move and to enter meshing zone 10.
The product storehouse 2 that piles up by this way for example moves (referring to EP 1 013 549) along conveyor path (for example belt conveyor) towards the cover stretcher.On the approach of going to the cover stretcher, on top side 6, place maintenance layer 12, as shown in Figure 2.Keep the size of the length of layer 12 to be confirmed as making forming the smooth width of cloth that keeps layer 12 to orientate as not only on top side 6 but also partly along the side 8.In Fig. 2, keep layer 12 to be in and be placed under the situation on the product storehouse 2 by loosely.At this moment, in the cover stretcher, in a manner known way by shear the tube material supplied with continuously by length, by the end side welding and downcut the tube material of a segment length and form tubular cover by first film 14, wherein at first on circumferential direction, shrink finger by expansion, promptly on girth greater than the floor space of product storehouse 2, first film is shunk and elastic stretch, promptly stretch.At this moment, during the relative motion on the short transverse of product storehouse 2, the described tubular cover of stretching of crossing is by at first being placed from shrinking under the finger drawing on the side 8 at product storehouse 2 then on the top side 6 between contraction finger and product storehouse 2.For this purpose, shrinking finger is lowerd usually.After this, product storehouse 2 is capped at side parcel and in the top side by first film 14.Overlapping operation is carried out as inserting to keep layer 12.First film 14 is placed on the circumferential wall of product storehouse 2, and promptly on the side 8, thereby the width of cloth that will keep layer 12 is to 2 extruding (referring to Fig. 3) of product storehouse.
The degree of depth with the product storehouse is consistent basically on the depth direction of product storehouse 2 to keep layer 12 size that is had.In other words, keep the front edge of layer 12 and front side that lagging dege is arranged essentially parallel to product storehouse 2 and rear side and extend, the front side of product storehouse 2 and rear side promptly form the periphery of product storehouse 2 and with respect to those sides that meet at right angles and extend with the side of reference number 8 expressions in the accompanying drawings.
Above the product storehouse after drawing first film 14, the product storehouse with reference number 16 expressions that one side is wrapped overturns, thereby makes that forming the regional of top side 6 during placement keeps layer 12 and drawing first film 14 forms the bottom 18 of product storehouse 16 at this moment and be positioned bottom (Fig. 4).On this position, the product storehouse that a side is wrapped supplies to the cover stretcher via transport path routinely.Can on product storehouse 2, be tubular cover by the cover stretcher with 14 drawings of first film.
As can be seen from Figure 5, in the end in method step, same is tubular cover with 20 drawings of second film on the product storehouse 16 that a side is wrapped, promptly as follows, wherein second film 20 is placed on during parcel for the first time on the zone of formation downside 22 of product storehouse 2, and usage level pretension (promptly with first film 14 as insert) is shelved on the circumferential wall 8 of product storehouse 2 equally at least, thereby obtains the encapsulation unit of finishing by reference number 24 expressions.In this unit, first film 14 will keep layer 12 to 8 extruding of the side of product storehouse 2.In addition, after placing product storehouse 2, fix first film 14 with respect to product storehouse 2 by second film 20 and circumferential elastic stretch thereof.Second film extends to according to the minimum common layer 5 among first embodiment of Fig. 1 to Fig. 5.
This has created encapsulation unit 24, its dimensionally stable and be suitable for multiple processing.As a kind of rule, by moving towards each other prong, the prong of fork load-unload machine at first is directed to laterally through product storehouse 2 and after this laterally is being incorporated in the meshing zone 10.At this, the material of first film 14 can be inwardly displaced.The invention is not restricted to shown embodiment.Operative installations makes first film 14 in the meshing zone and/or keeps layer 12 distortion and place them near profile on product storehouse 2 especially.For this reason, membrane material can be mechanically connected to the product storehouse.
To second embodiment shown in Figure 13, at first use 6 common layers 5 that constitute by packaged articles 4 to come piled products storehouse 2 at Fig. 6.After this, on the top side of product storehouse 2, place maintenance layer 12 (referring to a Fig. 7).After this, will comprise that as insertion the special layers 7 of packaged articles 4.1 and 4.2 is stacked on the top side of product storehouse 2 to keep layer 12.In this embodiment, also only formed a special layers 7.Certainly, can provide two special layers in a folded ground equally, these two special layers fitly form has identical floor space.
The good product storehouse that piles up as shown in Figure 8 is used first film, 14 parcels 2 this moments, and first film 14 is placed in the elastic stretch on the product storehouse on circumferential direction.At this, first film 14 can utilize specific extending longitudinally to be placed on the product storehouse equally, so that vertically and on the circumferential direction straining storehouse by the elastic stretch part of first film 14.
The product storehouse 2 that a side shown in Fig. 9 is wrapped is reversed 180 ° (referring to Figure 10) at this moment.After this, second film 20 on the product storehouse 2 by drawing and utilize elasticity circumferentially to stretch (might also will utilize specific extending longitudinally) to be placed on the product storehouse.
As Figure 12 and shown in Figure 13, at this, by the packaged articles 4 of minimum common layer 5 with the circle mode with the material of second film 20 be incorporated into be formed on special layers 7 with minimum common layer 5 between corner regions 26 in, these article protrude on special layers 7, wherein this circle is folded to form by film repeatedly, these films folding one by one (also might one folded one) from very near.In an illustrated embodiment, for this purpose, when being used on product storehouse 2 installing and the contraction finger 28 (not shown details) of the equipment of drawing tubular cover when being positioned the upper end of meshing zone 10, the drawing campaign will stop.On this position, the distance of the downside of the upper limb of contraction finger and minimum common layer 5 is between 0.5H and 0.25H, and H is corresponding to the height of product storehouse.This ratio is schematically drawn in Figure 12.On this position, will shrink finger 28 and locate than more close peripheral surface during using film to cover.Move inward equably and shrink finger 28, height place of latter two the common layer 5 on special layers 7 normally, the height place of the common layer 5 of last on special layers 7 just preferably is so that reach the position shown in Figure 12.Shrinking the gathering campaign of finger 28 will be preferably finish when the contraction finger reaches position shown in Figure 12.Shrink finger and remain on usually on this position, till membrane material is thrown in from contraction finger 28.Then, shrinking finger 28 outwards moves and upwards is driven on the initial position.
For this reason, when arriving position shown in Figure 12, drive and be assigned to the contraction roller 30 that shrinks finger 28, so that throw in the surplus material of second film 20 and so that it is supplied to corner regions 26 from shrinking finger 28.Usually will be corresponding to 1H to 5H, particularly preferably the film length corresponding to 1.5H to 2.5H supplies to meshing zone, so that the mode of reproducing with profile is pushed to the material of first film 14 after the meshing zone 10.
In Figure 12, can see the beginning of this method step.Second film 20 will be inwardly lax owing to it circumferentially stretches, thereby first film 14 is pushed in the corner regions 26.Because second film 20 is deposited in a plurality of layer in the corner regions 26 (referring to Figure 13), therefore the tension force of circumferential warp tension ratio first film 14 that is produced in corner regions 26 by second film 20 is stronger, wherein first film 14 initially extends between two edges 32,34 of product storehouse 2, the edge 32 (referring to Figure 10) that these two edges 32,34 promptly are formed on the edge 34 on the downside of the product storehouse 2 of upset and are formed by the lower edge of the first common layer 5.Thereby the material of initial first film 14 that extends is placed on by second film 20 tangently approaches between two edges 32,34 of profile at the circumferential tension force on the product storehouse 2.This can obtain being used for the meshing zone that is essentially rectangle 10 (referring to Figure 13) of the prong of fork load-unload machine.
With reference to Figure 12 and Figure 13 and the program of describing can also be used at meshing zone first film (for example during according to Fig. 9 it being positioned) closely being placed on the profile of product storehouse.For this reason, can be at the height of meshing zone 10 under the driving of the contraction roller 30 that is associated and first film is supplied to meshing zone 10 from shrinking finger 28.Also following situation might take place, promptly at this in response to elastic property and the prestension and equally to a certain extent film pulled to the top side 6 of product storehouse of film on circumferential direction.Yet, can also send it in the meshing zone, to prevent following configuration, this disposes for example shown in Fig. 9 and Figure 10, and in this configuration, first film 14 extends to connecting two edges 32,34.
In this embodiment, shrink finger, particularly shrinking the upper limb of finger, be positioned in the lower region of meshing zone, is the height place (for example referring to Fig. 8) of the transition region between special layers 7 is with common layer 5 greatly under the upright situation at product storehouse before the upset promptly.
List of reference characters
2 product storehouses
4 packaged articles
5 common layers
6 top sides
7 special layers
8 sides
10 region of engagements
12 retaining layers
14 first films
The wrapped product storehouse of 16 1 sides
18 bottoms
20 second films
22 downsides
24 encapsulation units
26 corner regions
28 shrink finger
30 shrink roller
32 edges
34 edges
Claims (17)
1. method that is used for producing no supporting plate encapsulation unit (24), described no supporting plate encapsulation unit (24) comprises a plurality of packaged articles (4) that are stacked in the product storehouse (2), wherein described packaged articles (4) is stacked as and makes at least one stack level of the prong that is used for the fork load-unload machine and to form at least two meshing zonees (10)
At least in the meshing zone of described product storehouse (2), use first film (14) parcel described product storehouse (2);
Product storehouse (16) upset that one side is wrapped is to make the part that comprises described meshing zone (10) of described product storehouse (16) be placed on the bottom, and uses second film (20) the parcel described product storehouse (16) that extends to described first film (14),
It is characterized in that,
Described first film (14) and described second film (20) form by pipe, its girth is initially less than the girth of described product storehouse (2), and it is stretched to reach greater than the girth of the girth of described product storehouse (2) and to utilize the circumferential tension force of elasticity to be placed on the described product storehouse (2) before at the described product storehouse of parcel (2).
2. method according to claim 1 is characterized in that, described first film (14) and described second film (20) are made of same pipe.
3. method according to claim 1 and 2, it is characterized in that, at first go up maintenance layer (12) packaged articles (4) to cover described meshing zone (10) and to provide in its adjacent area is provided, and wrap up described product storehouse (2) with described maintenance layer (12) as inserting ground described first film of use (14) subsequently at described product storehouse (2).
4. method according to claim 3, it is characterized in that, as follows the described layer (12) that keeps is placed as film web on the described product storehouse (2), this mode makes the described layer (12) that keeps extend on the relatively vertically side (8) of described product storehouse (2) at least in part.
5. method according to claim 3 is characterized in that, the described layer (12) that keeps is placed as the tubular cover that has the circumferential weak point that stretches of elasticity on the described product storehouse (2).
6. according to each described method among the claim 3-5, it is characterized in that the described layer (12) that keeps is formed by the membrane material of described first film (14).
7. according to each described method among the claim 3-6, it is characterized in that described maintenance layer (12) strengthens film web by fabric or fabric and constitutes.
8. according to each the described method in the aforementioned claim, it is characterized in that, at described first film of drawing (14) before, go up placement bottom reinforce at described product storehouse (2).
9. according to each the described method in the aforementioned claim, it is characterized in that, on described storehouse from described first film of top side (6) drawing (14) that comprises described meshing zone (10) zone up to the downside (22) of described product storehouse (2), and, described second film of drawing (20) is to cover the downside (22) of described product storehouse (16), through upset, the direction of the downside (22) of described product storehouse (16) is upwards, and basically on entire product storehouse (16).
10. according to each the described method in the aforementioned claim, it is characterized in that described second film (20) ends in the described meshing zone (10).
11. method according to claim 10, it is characterized in that, under the driving that is assigned to the contraction roller (30) that shrinks finger (28), will supply to described meshing zone (10) from the contraction finger (28) that during drawing, launches described membrane material at described second film (20) at the height place of described meshing zone (10).
12. according to claim 11 or 12 described methods, it is characterized in that, when the upper limb of described contraction finger (28) of described second film of transfer (20) is positioned on the upper end of described meshing zone (10), supply with described membrane material.
13. according to each described method among the claim 10-12, it is characterized in that, described membrane material is supplied to described meshing zone (10) in described meshing zone (10) so that described first film (14) at two edges (32,34) of the described product storehouse of bridge joint (2) and/or the described material of layer (12) that keeps are pushed at first basically tangently.
14. according to each described method among the claim 10-14, it is characterized in that, at 1 to 5 times length place delivery film material corresponding to product stack layer height.
15. method according to claim 14 is characterized in that, supplies with 1.5 to 3.5 times length corresponding to the gas producing formation height of product storehouse.
16. according to each described method in the aforementioned claim, it is characterized in that, under the driving that is assigned to the contraction roller (30) that shrinks finger (28), will supply to described meshing zone from the contraction finger (28) that during drawing, launches described membrane material at described first film (14) at the height place of described meshing zone (10).
17. method according to claim 16, it is characterized in that, under the upper limb of described contraction finger (28) of described second film of transfer (20) is positioned directly to be arranged in minimum stack layer (5) on the described meshing zone (10) during 0.25H to 0.5H, supply with described membrane material, wherein H is the height of the minimum stack layer on the described meshing zone.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07023274A EP2036818B1 (en) | 2007-11-30 | 2007-11-30 | Method for manufacturing a palletless packaging unit |
| EP07023274.9 | 2007-11-30 | ||
| PCT/EP2008/010092 WO2009068294A1 (en) | 2007-11-30 | 2008-11-27 | Method for the production of a palletless packaging unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101903251A true CN101903251A (en) | 2010-12-01 |
| CN101903251B CN101903251B (en) | 2013-01-16 |
Family
ID=39276186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801184950A Expired - Fee Related CN101903251B (en) | 2007-11-30 | 2008-11-27 | Method for producing palletless packaged units |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2036818B1 (en) |
| CN (1) | CN101903251B (en) |
| DK (1) | DK2036818T3 (en) |
| RU (1) | RU2464209C2 (en) |
| WO (1) | WO2009068294A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954033A (en) * | 2016-10-18 | 2018-04-24 | 莫勒斯机械制造有限公司 | For the packaging unit for producing the method for pallet-free packaging unit and being produced according to this method |
| CN114585564A (en) * | 2019-10-23 | 2022-06-03 | 信诺工业集团有限责任公司 | System and method for wrapping a cargo load with a tubular stretch film |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2130771B9 (en) * | 2008-06-07 | 2023-06-07 | MSK Emballage S.A.R.L. | Device and method for covering a stack of goods with protective film |
| DE102009020454B3 (en) | 2009-05-08 | 2010-10-28 | Maschinenfabrik Möllers Gmbh | Method and device for producing a palletless packaging unit and palletless packaging unit |
| DE102009052551A1 (en) | 2009-11-10 | 2011-05-12 | Maschinenfabrik Möllers Gmbh | Method and device for producing a packaging unit |
| DE102010019282B4 (en) | 2010-05-04 | 2019-06-19 | Maschinenfabrik Möllers Gmbh | Device for producing a packaging unit |
| DE102010019262A1 (en) | 2010-05-04 | 2011-11-10 | Maschinenfabrik Möllers Gmbh | Device for loading and unloading loading units |
| DE102011010126B4 (en) | 2011-02-02 | 2013-01-17 | Maschinenfabrik Möllers Gmbh | Method for producing a palletless packaging unit |
| DE102011103366B3 (en) * | 2011-06-03 | 2012-09-20 | Maschinenfabrik Möllers Gmbh | Method and device for producing a palletless packaging unit |
| DE102011120459A1 (en) * | 2011-12-07 | 2013-06-13 | Beumer Gmbh & Co. Kg | Method for wrapping a stack of articles and packaging unit formed therewith |
| DE102014105936A1 (en) * | 2014-04-28 | 2015-10-29 | Windmöller & Hölscher Kg | Method for stacking filled sacks into a palletless sack stack |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2626660A1 (en) * | 1976-06-15 | 1977-12-29 | Laessig Foerdertech Hamburg | PROCESS AND DEVICE FOR MANUFACTURING PALLETLESS, WATERPROOF LOADING UNITS FROM INDIVIDUAL PIECES, SUCH AS BAGS OR THE LIKE, AND PROTECTIVE PACKAGING THEREFORE |
| DE2614558C3 (en) | 1976-04-03 | 1985-04-18 | Birkenfeld, Richard | Method and device for the production of palletless packaging units |
| DE2702613C2 (en) | 1977-01-22 | 1985-04-11 | Birkenfeld, Richard | Process for the production of palletless packaging units |
| FR2566739B3 (en) | 1984-07-02 | 1986-11-21 | Newtec Internal Sa | PROCESS FOR PRODUCING AN ANNULAR END FOLD ON A TUBULAR SHEATH, IN PARTICULAR A PLASTIC PACKING SHEATH AND MACHINE FOR IMPLEMENTING SAME |
| DE3621296A1 (en) * | 1986-06-25 | 1988-01-14 | Moellers Maschf Gmbh | DEVICE FOR PRODUCING A PALLETLESS PACKAGING UNIT COMPLETELY COVERED WITH SHRINK FILM |
| DE3832557A1 (en) * | 1988-09-24 | 1990-04-05 | Beumer Maschf Bernhard | Process and apparatus for the formation of packaging units wrapped with plastic foil and packaging unit produced therewith |
| DE3941139A1 (en) * | 1989-12-13 | 1991-06-20 | Moellers Maschf Gmbh | Sealing non-palleted stacks in film - by adding narrow layer to stack and forming recesses, drawing on film cover bonding inverting and repeating with second film |
| DE4019041C1 (en) | 1990-06-14 | 1991-10-17 | Bernhard Beumer Maschinenfabrik Kg, 4720 Beckum, De | |
| DE19859889A1 (en) | 1998-12-23 | 2000-06-29 | Moellers Maschf Gmbh | Method and device for wrapping a piece of general cargo |
| EP1048566A1 (en) * | 1999-04-16 | 2000-11-02 | Kl- Lachenmeier A/S | Method and device for packaging objects in a film-hood |
-
2007
- 2007-11-30 EP EP07023274A patent/EP2036818B1/en active Active
- 2007-11-30 DK DK07023274.9T patent/DK2036818T3/en active
-
2008
- 2008-11-27 RU RU2010121263/13A patent/RU2464209C2/en active
- 2008-11-27 WO PCT/EP2008/010092 patent/WO2009068294A1/en active Application Filing
- 2008-11-27 CN CN2008801184950A patent/CN101903251B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107954033A (en) * | 2016-10-18 | 2018-04-24 | 莫勒斯机械制造有限公司 | For the packaging unit for producing the method for pallet-free packaging unit and being produced according to this method |
| CN114585564A (en) * | 2019-10-23 | 2022-06-03 | 信诺工业集团有限责任公司 | System and method for wrapping a cargo load with a tubular stretch film |
| CN114585564B (en) * | 2019-10-23 | 2023-09-15 | 信诺工业集团有限责任公司 | System and method for wrapping cargo loads with tubular stretch film |
| US12060192B2 (en) | 2019-10-23 | 2024-08-13 | Signode Industrial Group Llc | Systems and methods for wrapping loads of goods with tubular stretch film |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009068294A1 (en) | 2009-06-04 |
| DK2036818T3 (en) | 2011-08-29 |
| RU2010121263A (en) | 2012-01-10 |
| EP2036818B1 (en) | 2011-05-25 |
| CN101903251B (en) | 2013-01-16 |
| EP2036818A1 (en) | 2009-03-18 |
| RU2464209C2 (en) | 2012-10-20 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220601 Address after: Germany Pui Kum Patentee after: Moeller Packaging Technology Co.,Ltd. Address before: Germany Pui Kum Patentee before: MASCHINENFABRIK MOLLERS GmbH |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20130116 |