CN102910321A - Shrink tunnel - Google Patents
Shrink tunnel Download PDFInfo
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- CN102910321A CN102910321A CN2012102733737A CN201210273373A CN102910321A CN 102910321 A CN102910321 A CN 102910321A CN 2012102733737 A CN2012102733737 A CN 2012102733737A CN 201210273373 A CN201210273373 A CN 201210273373A CN 102910321 A CN102910321 A CN 102910321A
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- Prior art keywords
- medium
- barrel
- shrink
- constricted channel
- deviator
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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
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
- B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
- B65B53/063—Tunnels
Abstract
The present invention relates to a shrink tunnel for enabling a packaging material wrapping article aggregation to shrink, and a method for enabling a packing material wrapping goods aggregation to shrink. The shrink channel comprises: at least one conveyor belt used for articles wrapped in the packaging material; and at least two shaft walls arranged on both sides with respect to the conveyor belt, shrink medium is guided to the shrink film of the wrapped articles through these shaft walls. The shrink medium is generated by means of a fan (for example, by means of a hot-air blower), and is introduced into the shaft walls from above. The shrink medium is introduced into the shrink tunnel, through nozzle openings arranged in the side surface of the shaft walls perpendicular to the conveyor belt. According to the present invention, the shaft walls include at least one deflecting device used for the shrink medium. Flow directions of the shrink medium are reversed by the deflecting device. The shrink tunnel of the present invention has a favorable flow direction, in order to circumvent the disadvantages of known arrangement schemes.
Description
Technical field
The present invention relates to a kind of constricted channel be used to making the packing contraction that holds the article complex, wherein, constricted channel comprises that at least one transmits plane and at least two barrels, wherein, described transmission plane has the delivery section for the article that wrap up with packing, and can be loaded the contraction medium by this barrel with the article of packing parcel.In addition, the present invention relates to a kind of method be used to making the packing contraction that holds the article complex, wherein, shrink medium and imported in the constricted channel from barrel.
Background technology
By the known method and apparatus for connection with wrapping of piece (packed goods) of prior art, described method and apparatus use shrink film is used as the wrap for object.This shrink film is reeled round the article complex by packaging system as film cutting section generally.This so-called article collection transmits and passes through constricted channel.In constricted channel, the article of parcel load hot gas, and for example as the warm air or the hot air that shrink medium, shrink film tightens up thus, thereby shrink film clings on the article, and form the contraction article collection of finished product.
The article collection usually depends on its specification and is processed in the track of a plurality of directed parallel in constricted channel.For each side that makes all article collection all can be applied in warm air, also must be provided with for the mechanism that introduces warm air, described mechanism will shrink between the article that medium sprays into directed parallel.For example, for carrying out multi-track processing, use the constricted channel with at least one middle barrel.This inner tube wall has nozzle opening at two sidewalls, thereby hot air enters the inside of constricted channel towards the both sides outflow.
Known barrel is the wall with internal cavities, and hot air is blown in the cavity.For this reason, barrel has each preferred arrangements air in upper area and enters opening, and hot air enters opening by this air and is blown into barrel from above, and then flow to the inside of constricted channel by nozzle opening.
DE 4038417 A1 have introduced a kind of heating frame that can vertically move, and wherein, hot air is blown into by blower fan, and import the inner chamber of constriction device by the passage with gap nozzle.In this case, the air that imports is divided by the next door.The first of hot air directly imports the inside of constriction device first passage, and the second portion of hot air continues transported in the second channel of perpendicular layout, and imports therefrom the inside of constriction device.
DE 102007049441 A1 disclose a kind of constricted channel, and it has a large amount of gas conveying members, and this gas conveying member is carried the hot gas that is used for making the packing contraction.The gas conveying member particularly is configured to have the separately barrel of an air-tightness endoseptum.The cylinder that forms thus of each gas conveying member has for each one of gaseous medium oneself conveying connection pipe.The next door arranges at diagonal line, and two flow chambers are arranged with being mutually symmetrical thus.Barrel has nozzle opening in its corresponding outside, and hot gas by these nozzle openings similarly and preferred as far as possible on even keel, namely be parallel to and transmit plane earth and flow in the inside of constricted channel.
Fig. 1 illustrates the schematic views according to disclosed prior art conveying member 1.Article (particularly drinking container), bottle 6, tank etc. are grouped set, and utilize shrink film 7 parcels.This layout is also referred to as article collection 5.Article collection 5 is fed to constricted channel 2 along direction of transfer TR on belt conveyor 10.Be furnished with the heating arrangements (not shown) in constricted channel 2, heating arrangements for example applies hot air to article collection 5, and the film 7 that holds bottle 6 is shunk.After article collection 5 left constricted channel 2, article collection 5 was utilized cold air 22 by the blower fan 20 that is arranged in belt conveyor 10 tops and cools off.
Fig. 2 illustrates the constricted channel 2 that has for two transmission tracks 11 of article collection (not shown).The barrel 30,32 that passes through to mention is sent into hot air 40 inside of constricted channel 2.Outer tube wall 30 only has nozzle opening 35 for hot air 40 at its sidewall 31 that points to the inner chamber 34 of constricted channel 2.Contrast with it ground, inner tube wall 32 all has the nozzle opening 35 for hot air 40 on two sides 33.In addition, delivery section 11 has mechanism 24, utilizes described mechanism 24 additionally to apply hot air 41 from the below to the article collection.
Fig. 3 illustrates the cross section of inner tube wall 32, and inner tube wall 32 has the nozzle opening 35 for hot air 40 two sides 33.Therefore hot air 40 and sprays from nozzle opening 35 separately with the beam that points to the below in the top inner chamber 34 that is blown into barrel 32 by upper distribution passage 45.Mobile reverse as far as possible from the below of the additional hot air 41 that illustrates the flow direction of the hot air 40 of therefore, discharging from barrel 32 and Fig. 2.At this, the danger of existence is, the air-flow that for example the phase laminate film of points upwards may directed below is to pressing down, and therefore forms defective packing.In addition, shown in device in, the current drainage district of hot air 40 is inhomogeneous.Particularly the discharge capacity of the interior hot air 40 of the upper area of barrel 32 is higher than the discharge capacity of hot air 40 in the lower area.
Summary of the invention
Task of the present invention is, produces the advantageous flow direction of constriction device tool, to evade the above-mentioned shortcoming of known layouts scheme.
Above-mentioned task is achieved by the apparatus and method that comprise feature described in claim 1 and 14.The advantageous structural scheme of other tools is described by dependent claims.
The present invention relates to a kind of constricted channel be used to making the packing contraction that holds the article complex.Particularly use such constricted channel, in order to shrinkable film held drinking container, particularly to hold bottle etc. and shrink suit.These utilize the article complex of shrink film-wrapped also can be called the article collection.In addition, use constricted channel, assemble larger packaging unit in order to the article collection layer that will concentrate on the pallet, label contraction cover is installed to article first-class.
Constricted channel comprises at least one delivery section, particularly belt conveyor etc., to be used for the article with the packing parcel.In addition, constricted channel comprises at least two barrels of arranging in both sides with respect to delivery section, shrinks medium and is guided on the shrinkable film of wrap articles by these barrels.Shrink medium by blower fan etc., for example produce by the hot air blower fan, and in top importing barrel.Nozzle opening by in the side of arranging perpendicular to delivery section of barrel imports in the inside of constricted channel shrinking medium.
Below delivery section, can be provided with for delivery of other mechanisms of shrinking medium.Particularly can be provided with at least one hot air blower fan below delivery section, this hot air blower fan passes hot air on the bottom side that belt conveyor blows to article collection etc.
According to the present invention, barrel respectively comprises at least one deviator that shrinks medium, by this deviator the flow direction that shrinks medium is reversed as far as possible.Particularly deviator is deflecting plate or the so-called passage that turns to, and wherein, barrel is divided into at least one at least one current drainage district that becomes a mandarin the district and be used for shrinking medium of shrinking medium by deflecting plate.Particularly deviator is divided barrel as follows, make barrel towards the constricted channel inner chamber and and then comprise for the current drainage district of shrinking medium towards the side that remains to be loaded the article that shrink medium.
If barrel is barrel or the outside barrel of side, wherein, the side of only arranging perpendicular to transmission plane is towards the inner chamber of constricted channel, and other sides of arranging perpendicular to transmission plane for example form the words of the outer wall of constricted channel, deviator preferably is disposed such the inside at barrel so, that is: make barrel be divided into the current drainage district of become a mandarin district and an inside of an outside.
If barrel is inner barrel, wherein, two sides of arranging perpendicular to transmission plane are separately towards the interior zone of constricted channel, and so preferred two deviators are disposed such the inside at barrel, that is: make barrel be divided into the become a mandarin current drainage district of district and two outsides, a centre.
Preferably, become a mandarin the district and one or more current drainages district in the upper area of barrel, be separated from each other in flow technique.Thus, the contraction medium that becomes a mandarin in distinguishing from top importing barrel guides downwards along deviator in the inside, district that becomes a mandarin of barrel.In the lower area of barrel, become a mandarin district and one or more current drainages district interconnect in flow technique.Particularly in this zone, there is not deviator.The contraction dielectric ring that flows into from above is in the wide importing of the bottom of deviator guiding type current drainage district.Thus, particularly make the as far as possible travel direction reverse of flow direction of shrinking medium.
Preferably, shrink medium in the district that becomes a mandarin of barrel along the first flow direction as far as possible perpendicular to transmitting plane earth towards the direction that transmits the plane, namely guide downwards.In the lower area of barrel, direction changes, and at this moment leaves upwards guiding from transmitting the plane thereby shrink medium.Shrink medium and transmit the plane with about 45 ° to 90 ° angles, preferably with transmit the plane with about 70 ° to 90 ° angles, particularly roughly as far as possible vertically leave upwards guiding in the current drainage district of barrel from transmitting the plane.
According to a kind of preferred implementation of the present invention, above barrel, be furnished with for delivery of the distribution passage that shrinks medium.The length of distributing passage is corresponding to the length of barrel separately.For distributing passage for example to distribute hot air blower fan or other applicable hot-air generators.Shrink medium by distributing passage to import in the district that becomes a mandarin of barrel.
Shrink medium feeds in the distribution passage with preferably being centered.Distribute passage preferably to have maximum bottom-to-top-height in the zone of the section of feeding, this bottom-to-top-height preferably reduces along barrel separately equably towards both sides.
According to preferred embodiment a kind of, distributing passage to have is the bottom side of leg-of-mutton side and hexagon or quadrature (orthogonal) as far as possible.Distribute the upside of passage to be formed by two trapezoidal faces identical, that Mirror Symmetry ground is put toward each other and/or rectangular surfaces of arranging placed in the middle.The layout of introducing is so that distribute passage towards two ends, namely distribute the height of the direction of passage head end and end to reduce.Distribute passage in the central area, to have its maximum width, and in petiolarea, have the width that reduces separately.Shrink feeding preferably in the rectangular surfaces zone of arranging placed in the middle or in the zone on the common limit of trapezoidal faces, carrying out of medium.Owing to distributing no matter passage is the shape that height or width all diminish to the end, shrinking medium on whole passage length, namely along being assigned with on the contrary on the direction of transfer of article collection and with this direction of transfer.Passage length is equivalent to the length of barrel, and therefore is equivalent to the running length of institute's wrap articles in the constricted channel.
Particularly the combination of the distribution passage of described shape and novel guide of flow by deviator is so that shrink the even distribution of media flow and be improved, wherein, shrink medium at first downwards towards the direction guiding of transmission plane and subsequently with approximately 120 ° of extremely as far as possible 180 ° of generation break-ins.All streams (namely no matter be the stream that makes progress from the floor chamber that is arranged in the delivery section below, or from the stream of barrel) that particularly at this moment shrink medium all leave and points upwards from transmission plane.The stream that particularly shrinks medium points to the direction by the drawing section of circulating air blower fan etc.By shrinking mobile that medium points to, particularly help to make packing to refer to up be stacked, and be not pressed down to the opposite way round.Prevent from addition or reduced the eddy current that shrinks medium forming, in the constricted channel of using traditionally, owing to the situation that eddy current forms appears in the contraction media flow opposite direction from bottom section and barrel.
According to another kind of embodiment, shrink medium and can be affected by the nozzle opening that suitably points on the sidewall that is chosen at barrel with the current drainage angle that it is blown into constricted channel inside.But as the nozzle of selecting to use transposition.Particularly can use movable nozzle, can transposition its open the nozzle of size, nozzle that can complete closed etc.Tool is advantageous especially is, nozzle single and/or that be correlated with by the function group can be closed targetedly jointly in other words simultaneously, carries thereby do not carry out hot air in definite zone of constricted channel.The conveying that can make like this hot air and corresponding product optimum matching, thereby energy consumption that when needed can also corresponding coupling constricted channel particularly reduce the energy consumption of constricted channel.
According to another kind of embodiment, it is permeable being used for shrinking the deviator of medium at least part of.Deviator is fixed on the flow surface that distributes by a plurality of Connection Elements that can not breathe freely.Thus, form a plurality of current drainage chambers that are stacked layout.These current drainage chambers are flow technique unit independently.For distributing at least one nozzle or nozzle rows in each this current drainage chamber, at this moment the contraction medium of points upwards flow to the inside of constricted channel from this nozzle or nozzle rows as far as possible.
In addition, the present invention relates to a kind of method be used to making the packing contraction that holds the article complex, wherein, shrink medium and import in the constricted channel from the side direction barrel.According to the present invention, the flow direction that shrinks medium reverses as far as possible in barrel inside.Therefore, from contraction medium so the flow direction identical as far as possible with shrinking medium that barrel flows out, this contraction medium passes transmission plane points to the article complex from the below bottom section.Therefore, the flow direction of the contraction medium that flows out from barrel is from transmitting the viewed in plan points upwards, particularly shrink medium with respect to the plane of barrel with the discharge angle between 0 ° to 60 °, particularly leave barrel with respect to the plane of barrel with the discharge angle between 5 ° to 25 °.
Therefore, the contraction medium from barrel flows on the article complex from the below equally as far as possible.Do like this and have especially advantage, this is not press down because at this moment the unnecessary section of packing of points upwards is retracted medium.
In the method, shrink medium by distributing passage to import in the district that becomes a mandarin of barrel from the top.Shrinking medium guides downwards along the deviator that is arranged in barrel inside.Deviator is not connected with the bottom side of barrel in the lower area of barrel, imports in the current drainage district of barrel in the wide place's break-in of the bottom of deviator guidance type thereby shrink medium.The flow direction that shrinks thus medium changes, thereby at this moment this contraction medium has opposite flow direction as far as possible.Particularly shrinking the outside ground that at this moment medium made progress, be parallel to as far as possible barrel flows.Shrink medium and at this moment import the inside of constricted channel by the nozzle opening in the barrel current drainage face, wherein, shrink the in addition transposition of the angle of attack that angle in the medium introduction channel can be by nozzle opening.
Description of drawings
Below, by reference to the accompanying drawings embodiments of the invention and advantage thereof are explained in detail.Each element dimension scale each other is all the time corresponding to real dimension scale in the accompanying drawing, and its allothimorph illustrates for better illustrating to amplify adaptably with other elements because some type bodies have been simplified.
Fig. 1 illustrates the schematic views according to the constriction device of prior art;
Fig. 2 illustrates the section drawing according to the constricted channel of prior art;
Fig. 3 illustrates the section drawing according to the inner tube wall of prior art;
Fig. 4 illustrates the section drawing of the constricted channel with barrel of revising according to the present invention;
Fig. 5 illustrates the section drawing of inner tube wall the first embodiment with deviator;
Fig. 6 illustrates the section drawing of outer tube wall the second embodiment with deviator;
Fig. 7 illustrates the section drawing of inner tube wall the 3rd embodiment with deviator;
Fig. 8 illustrates the section drawing of outer tube wall the 4th embodiment with deviator;
Fig. 9 illustrates the barrel that has for the distribution passage of constricted channel;
Figure 10 illustrates the section drawing of inner tube wall the 5th embodiment with deviator;
Figure 11 illustrates the amplifier section synoptic map of Figure 10.
The specific embodiment
Use same Reference numeral for the present invention's element identical or that function is identical.In addition, for the reason of general view only shown in each accompanying drawing for the required Reference numeral of explanation respective drawings.Shown embodiment only is for as described below giving an example, that is: how to consist of according to device of the present invention with according to method of the present invention, does not show as enclosed restriction.
Fig. 1 to 3 introduces in the prior art.
Fig. 4 illustrates the section drawing of the constricted channel 3 of the outer tube wall 50 that has the inner tube wall 60 revised according to the present invention and revise according to the present invention.Constricted channel 3 comprises two transmission tracks 11 that are used for article collection 5.Arranged beneath at transportation plane TE has hot-air generator 24.Hot air 41 is used as and shrinks medium, and is upward through the bottom side of transmitting plane sensing article collection 5. Barrel 50,60 has nozzle opening 54,64 in the side 52,62 towards constricted channel 3 inner chambers 34 at least, by these nozzle openings 54,64, hot air 42 is imported in the constricted channel 3.Particularly has the flow vector that is directed upwards towards by barrel 50,60 hot airs 42 of carrying.
Fig. 5 illustrates the section drawing of the first embodiment of the inner tube wall 60a with two deviators 70.At inner tube wall 60a place, two separately perpendicular to transmitting side 62 that plane TE arranges for shrinking medium, is permeable for hot air 42 particularly.For this reason, side 62 preferably has the nozzle opening 64 of mentioning.Distribution passage 80 in the hot air 42 importing barrel 60a is in the top of barrel 60a by it.Distribute the hot air 42 in the passage 80 for example to produce by distributing to the hot air blower fan (not shown) that distributes passage 80.
Internal placement at barrel has two deviators 70, and these two deviators 70 form and turn to passage 71.Deviator 70 is divided into a centre become a mandarin chamber 74 and two effluent stream chambers 76 with barrel 60a.Hot air 42 is by distributing passage 80 to import in the chamber 74 that becomes a mandarin of barrel 60a.Hot air 42 guides downwards along the first flow direction SR1 along deviator 70 in 74 inside, chamber that become a mandarin of barrel 60a.In the lower area of barrel 60a, opening is in and becomes a mandarin between chamber 74 and the current drainage chamber 76.Hot air 42 imports in the current drainage chamber 76 by the wide break-in of the type of deviator 70 in this lower area.At this, the first flow direction SR1 of hot air 42 below the inside of the chamber 74 that becomes a mandarin is pointed to reverses as turning to hot air 42 the second flow direction SR2 of points upwards as far as possible in passage 71 or the current drainage chamber 76.The side of the inner chamber adjacency of current drainage chamber 76 and constricted channel is corresponding to hot air 42 permeable sides 62.Hot air 42 is blown into the inside of constricted channel by the nozzle opening 64 of side 62.
In an illustrated embodiment, deviator 70 is in tilted layout in the inside of barrel 60a.Particularly deviator 70 directly with in the zone of distributing passage 80 adjacency is being fixed on the corresponding sidewall 62 of barrel 60a.Deviator 70 in the inside of barrel 60a with respect to each sidewall 62 with the angle [alpha] trend, thereby the spacing between sidewall 62 and the deviator 70 in the lower area of barrel 60a greater than the spacing that is between sidewall 62 and the deviator 70 in the barrel 60a upper area.Desired mobile section can be by this so-called angle of attack α by corresponding adjustment.Can be set to according to another kind of embodiment, the angle of attack α of the deviator 70 of barrel 60a inside can change.Can be fixed on the inboard of sidewall 62 by controlled hinge etc. such as deviator 70.
In addition, the mobile section of hot air 42 can be by choosing the shape in deviator 70 outsides targetedly, namely imports by choosing targetedly deviator 70 that the guidance type of hot airs 42 is wide to be affected and change.
According to a kind of embodiment, hot air 42 can be affected by the nozzle opening 64 of choosing targetedly suitable sensing targetedly from the discharge angle β that barrel 60a flow to constricted channel inside.Same feasible is, but the nozzle 64 of use transposition.But particularly can use the nozzle 64 of following transposition, utilize this nozzle 64 can change the opening size of discharge angle β and/or adjustment nozzle 64, thereby can change targetedly the amount that flows out hot air 42.Tool is advantageous in addition is, nozzle 64 single and/or that be correlated with by the function group can be sealed targetedly, carries thereby do not carry out hot air in definite zone of constricted channel.Therefore can make the conveying and corresponding product optimum matching of hot air 42.Such as when the short article collection of processing etc., the nozzle 64 in the barrel 60a upper area is closed, and the hot air that therefore improves in identical energy spending situation in the lower area is carried.But or also can seal the interior nozzle 64 of barrel 60a upper area, and reduce simultaneously the conveying of hot air, thus can corresponding reduction energy consumption.
Fig. 6 illustrates the second embodiment of the outer tube wall 50a with deviator 70.In this case, the sidewall 52 that only points to the constricted channel inner chamber is provided with nozzle opening 54, and the sidewall 51 that points to the outside does not then have nozzle.The principle of work basically principle of work with inner tube wall 60a is corresponding, the explanation of therefore consulting Fig. 5.
Fig. 7 illustrates the section drawing of the 3rd embodiment of the inner tube wall 60b with two deviators 70, and Fig. 8 illustrates the section drawing of the 4th embodiment of the outer tube wall 50b with a deviator 70.In these two examples, deviator 70 is parallel to as far as possible separately and is provided with nozzle opening 54,64 sidewall 52,62 ground and arranges.From shown in embodiment clear find out, become a mandarin chamber 74 and current drainage chamber 76 is separated from each other in flow technique within distributing regional between passage 890 and barrel 50b, the 60b, thereby hot air 42 is along the inside of deviator 70 at barrel 50b, 60b, particularly guide downwards in the inside of the chamber 74 that becomes a mandarin, and the ability break-in imports in the current drainage chamber 76 in the lower area of barrel 50b, 60b.Other features are consulted the formula of the including explanation of Fig. 5.
Fig. 9 illustrates the barrel 50,60 that has for the distribution passage 80 of constricted channel.Distributing passage 80 to have is the bottom side of leg-of-mutton side 84 and quadrature as far as possible.The upside that distributes passage 80 by two trapezoidal faces 85 identical, that Mirror Symmetry ground is put toward each other and medially the rectangular surfaces 86 of layout form.
In the zone of rectangular surfaces 86 of arranging placed in the middle, be furnished with for the part 82(that feeds that shrinks medium not shown).Such as the hot air conveying member that is hot air blower fan etc. here.
Frame mode shown in the distribution passage 80 is so that the maximum height H1 within distributing passage 80 zone lines reduces towards two end directions, and the place only also has height H 2 separately two ends.In addition, distribute passage 80 in the zone of rectangular surfaces 86 of arranging placed in the middle, to have its maximum width B1.In each petiolarea, passage is corresponding to have minimum width B2.Based on the structure of distributing passage 80 to introduce, the contraction medium 42 of inflow distributes particularly well and in the whole length of distributing passage 80, and import barrel 50 downwards therefrom, in 60.
Figure 10 illustrates the section drawing of the 5th embodiment of the inner tube wall 60c of the deviator 70 with portions, and Figure 11 illustrates the part synoptic map A of amplification.In this embodiment, two are permeability perpendicular to the side 62 of transmitting plane TE layout for hot air 42 separately, and have nozzle opening 64.Hot air 42 is by distributing passage 80 to be imported in the chamber 74 that becomes a mandarin of barrel 60c.
In this embodiment, deviator 72 is at least part of is permeabilities for hot air 42.Particularly between the current drainage face 62 of barrel 60c and deviator 72, consist of a plurality of passage 73 or current drainage chambers 78 of turning to.In this case, distribute at least one to be used for the nozzle opening 64 of current drainage hot air 42 for each this current drainage chamber 78.
By marking off a plurality of current drainages chamber 78, general construction has higher rigidity.In addition, resistance to flow is less in this embodiment.
But the in other words ventilative deviator 72 of at least part of permeability be such as can forming by orifice plate etc., fixes with angle [alpha] with respect to the side 62 of barrel 60c by a plurality of Connection Elements 92.Connection Element 92 is impermeables, and arranges each other as follows apart, forms respectively current drainage chamber 78 between deviator 72 and side 62 that is:.For distributing at least one nozzle 64 in each this current drainage chamber 78.Be preferably each current drainage chamber 78 and distribute each at least one nozzle rows.Opening in the deviator 72 preferably is arranged in the below of the nozzle 62 that distributes each current drainage chamber 78.Make like this hot air 42 point to motion in the inside of current drainage chamber 78, and therefore help hot air from nozzle 64 upwards flow motion enter the inside of constricted channel.
At least part of coherent deviator 72 for example can form by being positioned in parallel within a large number a plate 90 in the plane according to another kind of embodiment, wherein, the plate 90 of each two adjacency arranges with spacing d each other, and this spacing d allows in hot air enters separately current drainage chamber 78 from the chamber 74 that becomes a mandarin.Plate 90 is separately fixed on the Connection Element 92.Connection Element 92 utilizes its opposed end to be fixed on separately on the side 62 of barrel 60c, thereby Connection Element 92 defines each current drainage chamber 78 simultaneously up or down.
Can be set in addition, the opening of deviator 72 can particularly be closed by the zone targetedly.Thus, the current drainage chamber 78 of determining not air feed ground keeps, thereby does not also have hot air 42 to enter the inside of constriction device from each nozzle that distributes 62.
With reference to preferred embodiment describing the present invention.But what it is contemplated that for the professional is can make the present invention and change or revise, and can not break away from the protection domain of back claim at this.
Reference numerals list
1 constriction device
2 constricted channel
3 constricted channel
5 article collection
6 bottles
7 shrink films/packing
10 belt conveyor
11 transmission tracks
20 blower fans
22 cold airs
24 hot-air generators
30 outer tube walls
31 medial surfaces
32 inner tube walls
The side of 33 inner tube walls
The inner chamber of 34 constricted channel
35 nozzle openings
40 hot airs
41 hot airs
42 hot airs
45 distribute passage
50,50a, 50b, 50c outer tube wall
51 lateral surfaces
52 medial surfaces
54 nozzle openings
60,60a, 60b, 60c inner tube wall
62 sides
64 nozzle openings
70 deviators
71 turn to passage
72 deviators
73 turn to passage
The chambers that become a mandarin 74
Current drainage chambers 78
80 distribute passage
82 parts of feeding
84 sides
85 trapezoidal faces
86 rectangular surfaces
90 plates
92 Connection Elements
The α angle of attack/side and turn to angle between the passage
The β discharge angle
The d spacing
SR1, SR2 flow direction
TE transmits the plane
Claims (15)
1. constricted channel (3), be used for making the packing (7) that hold article (6) complex to shrink, wherein, described constricted channel (3) comprising: transmit plane (TE), described transmission plane (TE) has at least one delivery section (10) for the described article (6) that wrap up with packing (7); And at least two barrels (50,60) of arranging along described delivery section (10) in both sides, described article (6) with packing (7) parcel can be applied in contraction medium (42) by described barrel (50,60), it is characterized in that, described barrel (50,60) respectively comprises at least one deviator (70) that shrinks medium (42), wherein, by described deviator (70) flow direction (SR1, SR2) that shrinks medium (42) is reversed as far as possible.
2. by constricted channel claimed in claim 1 (3), wherein, described deviator (70) is for the guidance type exterior feature, the deflecting plate that shrink medium (42) or turns to passage (71).
3. by constricted channel claimed in claim 2 (3), wherein, described deviator (70) is arranged in such a way, that is: it is divided into described barrel (50,60) at least one at least one current drainage district (76) that becomes a mandarin district (74) and be used for shrinking medium (42) of shrinking medium (42).
4. by constricted channel claimed in claim 3 (3), the described current drainage district (76) that medium (42) is shunk in the described district (74) and being used for of becoming a mandarin of wherein, be used for shrinking medium (42) is separated from each other in the upper area inherence of described barrel (50,60) flow technique.
5. by claim 3 or 4 described constricted channel (3), the current drainage district (76) that medium (42) is shunk in the described district (74) and being used for of becoming a mandarin of wherein, be used for shrinking medium (42) interconnects in the lower area inherence of described barrel (50,60) flow technique.
6. by one of claim 3 to 5 described constricted channel (3), wherein, shrink first flow direction (SR1) of medium (42) at described barrel (50,60) point to the direction that transmits plane (TE) in the described district (74) that becomes a mandarin as far as possible downwards, wherein, first flow direction (SR1) of flow media (42) is at described barrel (50,60) reverse as far as possible by described deviator (70) in the lower area, thereby second flow direction (SR2) of contraction medium (42) is at described barrel (50,60) as far as possible upwards point to from described transmission plane (TE) in the described current drainage district (76) with leaving.
7. by one of claim 3 to 5 described constricted channel (3), wherein, be provided with for delivery of the distribution passage (80) that shrinks medium (42) in the top of described barrel (50,60), wherein, shrinking medium (42) can be imported at least one described district (74) that becomes a mandarin of described barrel (50,60) from described distribution passage (80).
8. by constricted channel claimed in claim 7 (3), wherein, described distribution passage (80) has for the section of feeding (82) that arranges placed in the middle as far as possible of shrinking medium (42).
9. by claim 7 or 8 described constricted channel (3), wherein, it is the bottom side of leg-of-mutton side (84) and hexagon or quadrature as far as possible that described distribution passage (80) has.
10. by one of claim 7 to 9 described constricted channel (3), wherein, the upside of described distribution passage (80) is comprised of two trapezoidal faces (85) identical, that Mirror Symmetry ground is put toward each other and/or the rectangular surfaces (86) that is arranged between the described trapezoidal faces (85).
11. by one of claim 1 to 10 described constricted channel (3), wherein, the contraction medium (42) that imports the inside of described constricted channel (3) from described barrel (50,60) is directed upwards towards as far as possible.
12. by one of claim 1 to 11 described constricted channel (3), wherein, described constricted channel (3) comprises two outer tube walls (50) and at least one inner tube wall (60), wherein, described outer tube wall (50) comprises for each deviator (70) that shrinks medium (42), and wherein, described at least one inner tube wall (60) comprises for two deviators (70) that shrink medium (42).
13. by one of claim 1 to 12 described constricted channel (3), wherein, at least one deviator (72) that is used for contraction medium (42) is at least part of permeable, and by a plurality of Connection Elements that can not breathe freely (92) in the situation that consists of a plurality of current drainage chambers (78) that are stacked layout, be fixed on the flow surface (62) of described barrel (50,60).
14. be used for making the method for packing (7) contraction that holds article (6) complex, wherein, shrinking medium (40,42) imports in the constricted channel (2,3) from barrel (50,60), it is characterized in that, the flow direction (SR1, SR2) that shrinks medium (42) reverses as far as possible in the inside of described barrel (50,60).
15. by the described method of claim 14, wherein, shrink medium (42) by distributing passage (80) to import described barrel (50 from the top, 60) at least one becomes a mandarin in the district (74), wherein, shrink medium (42) along described barrel (50,60) inner deviator (70) is guided towards the below, and wherein, shrink medium (42) break-in on the lower area of described deviator (70) and arrive described barrel (50,60) in the current drainage district (74), thereby the flow direction (SR2) that shrinks medium (42) in described current drainage district (76) reverses as far as possible with respect to the flow direction (SR1) that shrinks medium (42) in the described district (74) that becomes a mandarin, and wherein, shrink medium (42) and in described current drainage district, pass through described barrel (50,60) nozzle opening (54 in, 64) direct in the interior zone of described constricted channel (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011052353A DE102011052353A1 (en) | 2011-08-02 | 2011-08-02 | shrink tunnel |
| DE102011052353.7 | 2011-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102910321A true CN102910321A (en) | 2013-02-06 |
| CN102910321B CN102910321B (en) | 2014-07-23 |
Family
ID=46317194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210273373.7A Active CN102910321B (en) | 2011-08-02 | 2012-08-02 | Shrink tunnel |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2554483B1 (en) |
| CN (1) | CN102910321B (en) |
| DE (1) | DE102011052353A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991585A (en) * | 2013-02-14 | 2014-08-20 | 克罗内斯股份公司 | Shrinking device |
| CN103991586A (en) * | 2013-02-14 | 2014-08-20 | 克罗内斯股份公司 | Shrinking device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013101477A1 (en) * | 2013-02-14 | 2014-08-14 | Krones Aktiengesellschaft | SHRINKING DEVICE |
| DE102013101782A1 (en) | 2013-02-22 | 2014-08-28 | Khs Gmbh | Shrink tunnel plant and an associated method for shrinking a shrink film on packing formations |
| DE102014105057A1 (en) * | 2014-04-09 | 2015-10-15 | Krones Aktiengesellschaft | SCHRUMPFVORRICHTUNG WITH GEBINDEKÜHLUNG AND METHOD FOR PRODUCING A UNIFORM, HOMOGENEOUS COOLANT STREAM |
| DE102017119145A1 (en) | 2017-08-22 | 2019-02-28 | Krones Aktiengesellschaft | Shrinking device and method for sucking air from an interior of a shrinking device |
| DE102017215414A1 (en) | 2017-09-04 | 2019-03-07 | Krones Aktiengesellschaft | Shaft wall, shrinking device and method for producing a shaft wall for a shrinking device |
| US11661225B2 (en) * | 2018-10-10 | 2023-05-30 | Illinois Tool Works Inc. | Center divider for shrink oven |
| CN110459487B (en) * | 2019-07-04 | 2021-11-26 | 台州市康新电容器有限公司 | Heat-sealing material receiving mechanism for patch SOT packaging product |
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- 2011-08-02 DE DE102011052353A patent/DE102011052353A1/en not_active Withdrawn
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| US3808072A (en) * | 1972-03-22 | 1974-04-30 | Bell Telephone Labor Inc | In situ etching of gallium arsenide during vapor phase growth of epitaxial gallium arsenide |
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| CN103991586A (en) * | 2013-02-14 | 2014-08-20 | 克罗内斯股份公司 | Shrinking device |
| CN103991586B (en) * | 2013-02-14 | 2016-03-09 | 克罗内斯股份公司 | Constriction device |
| CN103991585B (en) * | 2013-02-14 | 2016-04-06 | 克罗内斯股份公司 | Constriction device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2554483B1 (en) | 2015-01-07 |
| CN102910321B (en) | 2014-07-23 |
| DE102011052353A1 (en) | 2013-02-07 |
| EP2554483A1 (en) | 2013-02-06 |
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