CN102910321B - Shrink tunnel - Google Patents
Shrink tunnel Download PDFInfo
- Publication number
- CN102910321B CN102910321B CN201210273373.7A CN201210273373A CN102910321B CN 102910321 B CN102910321 B CN 102910321B CN 201210273373 A CN201210273373 A CN 201210273373A CN 102910321 B CN102910321 B CN 102910321B
- Authority
- CN
- China
- Prior art keywords
- medium
- barrel
- shrink
- constricted channel
- deviator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Packages (AREA)
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 for the packing that hold article complex are shunk, 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 with packing parcel, and can be loaded contraction medium by this barrel with the article of packing parcel.In addition, the present invention relates to a kind of method for the packing that hold article complex are shunk, wherein, shrink medium and imported in 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 uses shrink film to be used as the wrap for object.This shrink film is reeled round article complex by packaging system as film cutting section generally.Constricted channel is passed through in the transmission of this so-called article collection.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 article, and form the contraction article collection of finished product.
Article collection conventionally depends on its specification and in the track of multiple directed parallel, is processed in constricted channel.For the each side that makes all article collection all can be applied in warm air, also must be provided with the mechanism for introducing warm air, described mechanism sprays between the article of directed parallel shrinking medium.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 on two sidewalls, thereby hot air flows out the inside that enters constricted channel towards both sides.
Known barrel is the wall with internal cavities, and hot air is blown in cavity.For this reason, barrel has the air of each preferred arrangements 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.
DE4038417A1 has introduced a kind of heating frame that can be vertically mobile, and wherein, hot air is blown into by blower fan, and imports the inner chamber of constriction device by having the passage of gap nozzle.In this case, the air importing is divided by next door.The Part I of hot air directly imports the inside of constriction device first passage, and the Part II of hot air continues transported in the second channel of perpendicular layout, and imports therefrom the inside of constriction device.
DE102007049441A1 discloses 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 for packaging is shunk.Gas conveying member is particularly configured to have the barrel of an air-tightness endoseptum separately.The cylinder forming thus of each gas conveying member has each oneself the conveying connection pipe for gaseous medium.Next door arranges on diagonal line, and two flow chambers are mutually symmetrical and arrange thus.Barrel has nozzle opening on its corresponding outside, hot gas by these nozzle openings similarly and preferably as far as possible on even keel, be namely 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 to wrap up.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.In constricted channel 2, be furnished with heating arrangements (not shown), 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 leaves constricted channel 2, article collection 5 is utilized cold air 22 and carries out cooling by being arranged in the blower fan 20 of belt conveyor 10 tops.
Fig. 2 illustrates the constricted channel 2 having for two transmission tracks 11 of article collection (not shown).Pass through mentioned barrel 30,32, hot air 40 is sent into the inside of constricted channel 2.Outer tube wall 30 only has the nozzle opening 35 for hot air 40 on it points to the sidewall 31 of inner chamber 34 of constricted channel 2.In contrast, 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 below to 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 on two sides 33.Hot air 40 from above by distribution passage 45 be blown in the inner chamber 34 of barrel 32, and therefore with point to below beam from nozzle opening 35 separately, spray.The flow direction of the hot air 40 of therefore, discharging from barrel 32 and Fig. 2, the additional hot air 41 illustrating is reverse as far as possible from flowing of below.At this, the danger of existence is, the air-flow that the phase laminate film of for example points upwards may directed below is to pressing down, and therefore forms defective packaging.In addition, shown in device in, the 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 in lower area 40.
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 realizes by a kind of constricted channel, this constricted channel is for shrinking the packing that hold article complex, wherein, described constricted channel comprises: transmit plane, described transmission plane has at least one delivery section for the described article with packing parcel, and at least two barrels of arranging along described delivery section in both sides, above each barrel, be provided with distribution passage, shrinking medium can be imported in corresponding barrel along the first directed downwards flow direction by described distribution passage, barrel comprises respectively at least one inner chamber towards constricted channel, there is the effluent face of nozzle opening, described article with packing parcel can be applied in contraction medium whereby, described barrel respectively comprises at least one deviator for shrinking medium, the inside at barrel that can make to shrink medium by described at least one deviator downwards directed the first flow direction is reversed by nozzle opening and is flow to contraction medium in the inner chamber of constricted channel, at least as far as possible upwards the second directed flow direction.Above-mentioned task realizes for the method that the packing that hold article complex are shunk by a kind of, wherein, shrink medium by distributing passage to import barrel with the first flow direction of downward orientation, shrinking medium imports in constricted channel from barrel by nozzle opening, the first flow direction that shrinks the downward orientation of medium reverses as far as possible in the inside of described barrel, flows out in the inner chamber of constricted channel towards the second at least as far as possible upwards directed flow direction thereby shrink medium by nozzle opening.
The present invention relates to a kind of constricted channel for the packing that hold article complex are shunk.Particularly use such constricted channel, in order to shrinkable film being held to drinking container, particularly hold bottle etc. and shrink suit.These utilize the article complex of shrink film-wrapped also can be called article collection.In addition, application constricted channel, in order to the article collection layer concentrating on pallet is assembled to larger packaging unit, installs to article by label contraction cover first-class.
Constricted channel comprises at least one delivery section, particularly belt conveyor etc., for the article with 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 hot air blower fan, and import in barrel from above.By the nozzle opening in the side of arranging perpendicular to delivery section of barrel, import in the inside of constricted channel shrinking medium.
Below delivery section, can be provided with for delivery of other mechanisms of shrinking medium.Particularly below delivery section, can be provided with at least one hot air blower fan, this hot air blower fan blows to hot air on the bottom side of article collection etc. through belt conveyor.
According to the present invention, barrel respectively comprises at least one deviator for shrinking medium, can make the flow direction that shrinks medium reverse as far as possible by this deviator.Particularly deviator is deflecting plate or the so-called passage that turns to, and wherein, barrel is divided into become a mandarin district and for shrinking at least one drainage district of medium of at least one for shrinking medium by deflecting plate.Particularly deviator is divided barrel as follows, make barrel towards constricted channel inner chamber and and then comprise the drainage district for shrinking medium towards the side that needs 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 is preferably disposed such the inside at barrel so, that is: make barrel be divided into outside become a mandarin district and an inner drainage district.
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 preferably two deviators are disposed such the inside at barrel, that is: make barrel be divided into a centre become a mandarin district and two outside drainage districts.
Preferably, become a mandarin district and one or more drainages district is separated from each other in the upper area of barrel in flow technique.Thus, importing the contraction medium that barrel becomes a mandarin in district from above 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 drainages district interconnect in flow technique.Particularly in this region, there is not deviator.The contraction dielectric ring flowing into from above is in the wide importing of the bottom of deviator guiding type drainage district.Thus, particularly make to shrink the flow direction travel direction reverse as far as possible of medium.
Preferably, contraction medium along the first flow direction direction towards transmission plane perpendicular to transmission plane earth as far as possible, namely guides downwards in the district that becomes a mandarin of barrel.In the lower area of barrel, direction changes, and at this moment leaves upwards guiding from transmitting plane thereby shrink medium.Shrink medium and transmit plane with approximately 45 ° to 90 ° angles, preferably with transmit plane with approximately 70 ° to 90 ° angles, particularly roughly as far as possible vertically leave in the drainage district of barrel upwards guiding from transmitting 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.Distribute the length of passage 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 becoming a mandarin in district of barrel.
Contraction medium is preferably centered to feed and distributes in passage.Distribute passage in the region of the portion of feeding, preferably to have maximum bottom-to-top-height, this bottom-to-top-height preferably reduces along barrel separately equably towards both sides.
According to one preferred embodiment, distribute passage to there is the bottom side for leg-of-mutton side and hexagon or orthogonal (orthogonal) as far as possible.Distribute the upside of passage to be formed by the rectangular surfaces of two trapezoidal faces identical, that put toward each other and/or layout placed in the middle Mirror Symmetry.The layout of introducing make to distribute passage towards two ends, namely distribute the height of the direction of passage head end and end to reduce.Distribute passage in central area, to there is its maximum width, and in petiolarea, there is the width reducing separately.Shrink in the preferred rectangular surfaces region arranging between two parties of feeding of medium or carry out in the region on the common limit of trapezoidal faces.Owing to distributing no matter passage is the shape that height or width all diminish to end, shrink 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 is therefore equivalent to the running length of institute's wrap articles in constricted channel.
Particularly the distribution passage of described shape makes to shrink being uniformly distributed of media flow with the combination of the novel guide of flow by deviator and is improved, wherein, shrink medium first downwards towards the direction guiding of transmission plane and subsequently with approximately 120 ° of 180 ° of generation break-ins extremely as far as possible.The all streams (be no matter namely floor chamber from being arranged in delivery section below stream upwards, 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 by the direction of the drawing section of circulating air blower fan etc.By shrinking mobile that medium points to, particularly contribute to make packing to point to Shangdi and be stacked, and be not pressed down to the opposite way round.In addition prevent or reduced the eddy current formation of shrinking medium, in the constricted channel traditionally using, because 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, the drainage angle that contraction medium is blown into constricted channel inside with it can be affected by being chosen at the nozzle opening suitably pointing on the sidewall of barrel.As select to use can transposition nozzle.Particularly can use movable nozzle, can transposition its open size nozzle, can complete fully enclosed nozzle etc.Special tool is advantageous, single and/or can jointly be closed in other words targetedly by the relevant nozzle of function group simultaneously, thereby does not carry out hot air conveying in definite region 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, be permeable at least partly for shrinking the deviator of medium.Deviator can not be fixed on distributed flow surface by ventilative Connection Element by multiple.Thus, form multiple drainage chambers that are stacked layout.These drainage chambers are flow technique unit independently.For distributing at least one nozzle or nozzle rows in each this 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 for the packing that hold article complex are shunk, wherein, shrink medium and import in constricted channel from side direction barrel.According to the present invention, the flow direction that shrinks medium reverses as far as possible in barrel inside.Therefore, the contraction medium flowing out from barrel therefore with shrink the identical as far as possible flow direction of medium, this contraction medium points to the bottom section of article complex from below through transmission plane.Therefore, the flow direction of the contraction medium flowing out from barrel is from transmitting 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, flow to article complex from below equally as far as possible from the contraction medium of barrel.Do like this and have especially advantage, this is to press down because at this moment the unnecessary portion of packaging of points upwards is not retracted medium.
In the method, shrink medium by distributing passage to import becoming a mandarin in district of barrel from 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 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 contrary flow direction as far as possible.Particularly shrink medium be at this moment parallel to upwards, as far as possible barrel outside flow.Shrink medium and at this moment import the inside of constricted channel by the nozzle opening in barrel drainage face, wherein, shrinking angle in medium introduction channel can be by the in addition transposition of the angle of attack of nozzle opening.
Brief description of the drawings
Below, by reference to the accompanying drawings embodiments of the invention and advantage thereof are explained in detail.In accompanying drawing, each element dimension scale is not each other all the time corresponding to real dimension scale, and because some type bodies have been simplified, its allothimorph amplifies and illustrates adaptably for better illustrating with other elements.
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 the barrel of revising according to the present invention;
Fig. 5 illustrates the section drawing of inner tube wall first embodiment with deviator;
Fig. 6 illustrates the section drawing of outer tube wall 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 having 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.
Detailed description of the invention
For the present invention identical or element that function is identical use same Reference numeral.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 is only for as described below giving an example, that is: how to form 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 with the inner tube wall 60 of revising according to the present invention and the outer tube wall 50 of revising according to the present invention.Constricted channel 3 comprises two transmission tracks 11 for article collection 5.Arranged beneath at transport 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 at least has nozzle opening 54,64 on the side 52,62 towards constricted channel 3 inner chambers 34, by these nozzle openings 54,64, hot air 42 is imported in constricted channel 3.The hot air 42 of particularly carrying by barrel 50,60 has the flow vector being directed upwards towards.
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 sides 62 of arranging perpendicular to transmission plane TE separately, for shrinking medium, are particularly permeable for hot air 42.For this reason, side 62 preferably has mentioned nozzle opening 64.By it, hot air 42 is imported to distribution passage 80 in the barrel 60a top in barrel 60a.Distribute the hot air 42 in passage 80 for example to distribute the hot air blower fan (not shown) of passage 80 to produce by distributing to.
Have two deviators 70 in the internal placement of barrel, these two deviators 70 form and turn to passage 71.Barrel 60a is divided into a centre become a mandarin chamber 74 and two effluent stream chambers 76 by deviator 70.Hot air 42 is by distributing passage 80 to import becoming a mandarin in chamber 74 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 becoming a mandarin between chamber 74 and drainage chamber 76.Hot air 42 wide break-in of type by deviator 70 in this lower area imports in drainage chamber 76.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 drainage chamber 76.The side of the inner chamber adjacency of drainage chamber 76 and constricted channel is corresponding to the permeable side 62 of hot air 42.By the nozzle opening 64 of side 62, hot air 42 is blown into the inside of constricted channel.
In an illustrated embodiment, deviator 70 is in tilted layout in the inside of barrel 60a.Particularly deviator 70 is fixed on the corresponding sidewall 62 of barrel 60a in the region of direct and distribution passage 80 adjacency.Deviator 70 moves towards with angle [alpha] with respect to each sidewall 62 in the inside of barrel 60a, thereby the spacing between sidewall 62 and deviator 70 is greater than the spacing in barrel 60a upper area between sidewall 62 and deviator 70 in the lower area of barrel 60a.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.Such as deviator 70 can be fixed on the inner side of sidewall 62 by controlled hinge etc.
In addition, the mobile section of hot air 42 can be by choosing the shape in deviator 70 outsides targetedly, and the guidance type exterior feature that namely imports hot air 42 by choosing targetedly deviator 70 is affected and changes.
According to a kind of embodiment, the discharge angle β that hot air 42 flow to constricted channel inside from barrel 60a can be affected targetedly by the nozzle opening 64 of choosing targetedly suitable sensing.The nozzle 64 same feasible, use can transposition.Particularly can use as follows can transposition nozzle 64, utilize this nozzle 64 can change discharge angle β and/or adjust the opening size of nozzle 64, thereby can change targetedly the amount that flows out hot air 42.In addition tool is advantageous, single and/or can be sealed targetedly by the relevant nozzle 64 of function group, thereby does not carry out hot air conveying in definite region of constricted channel.Therefore can make the conveying and corresponding product optimum matching of hot air 42.For example, in the time of the short article collection of processing etc., the nozzle 64 in barrel 60a upper area is closed, and the hot air therefore improving in identical energy spending situation in lower area is carried.But or also can seal the nozzle 64 in barrel 60a upper area, and reduce the conveying of hot air simultaneously, 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 constricted channel inner chamber is provided with nozzle opening 54, and the sidewall 51 that points to outside does not have nozzle.Principle of work is substantially corresponding with the principle of work of inner tube wall 60a, 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 sidewall 52, the 62 ground layouts that are provided with nozzle opening 54,64 separately as far as possible.From shown in embodiment clear find out, become a mandarin chamber 74 and drainage chamber 76 is separated from each other in the region of distributing between passage 890 and barrel 50b, 60b in flow technique, thereby hot air 42 is the inside at barrel 50b, 60b along deviator 70, particularly guide downwards in the inside of the chamber 74 that becomes a mandarin, and ability break-in imports in 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 having for the distribution passage 80 of constricted channel.Distributing passage 80 to have is leg-of-mutton side 84 and orthogonal bottom side as far as possible.The upside that distributes passage 80 by two trapezoidal faces 85 identical, that put toward each other Mirror Symmetry and medially the rectangular surfaces 86 of layout form.
In the region of rectangular surfaces 86 of arranging placed in the middle, be furnished with part 82 (not shown) of feeding for shrinking medium.It is here for example the hot air conveying member of hot air blower fan etc.
Frame mode shown in distribution passage 80 makes, distributing the maximum height H1 in passage 80 zone lines to reduce towards two end directions, only also to have separately height H 2 two ends.In addition, distribute passage 80 to there is its maximum width B1 in the region of rectangular surfaces 86 of arranging placed in the middle.In each petiolarea, passage is corresponding has 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 imports downwards therefrom in barrel 50,60.
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 separately, and have nozzle opening 64 for hot air 42.Hot air 42 is by distributing passage 80 to be imported into becoming a mandarin in chamber 74 of barrel 60c.
In this embodiment, deviator 72 is permeabilities for hot air 42 at least partly.Particularly between the drainage face 62 of barrel 60c and deviator 72, form multiple passage 73 or drainage chambers 78 of turning to.In this case, at least one nozzle opening 64 for drainage hot air 42 is distributed in each this drainage chamber 78.
By marking off multiple drainages chamber 78, general construction has higher rigidity.In addition, resistance to flow is less in this embodiment.
Ventilative deviator 72 in other words that at least partly can permeability for example can form by orifice plate etc., fixes with respect to the side 62 of barrel 60c by multiple Connection Elements 92 with angle [alpha].Connection Element 92 is impermeables, and arranges each other as follows apart, forms respectively drainage chamber 78 between deviator 72 and side 62 that is:.For distributing at least one nozzle 64 in each this drainage chamber 78.Be preferably each drainage chamber 78 and distribute each at least one nozzle rows.Opening in deviator 72 is preferably arranged in the below of the nozzle 62 distributing each drainage chamber 78.Make like this hot air 42 refer to upward movement in the inside of drainage chamber 78, and therefore contribute to hot air from nozzle 64 upwards flow motion enter the inside of constricted channel.
Coherent deviator 72 for example can form by being positioned in parallel within a large number a plate 90 in plane according to another kind of embodiment at least partly, wherein, the plate 90 of each two adjacency arranges with spacing d each other, and this spacing d allows hot air to enter in drainage chamber 78 separately from the chamber 74 that becomes a mandarin.Plate 90 is separately fixed on 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 drainage chamber 78 simultaneously up or down.
In addition can be set to, the opening of deviator 72 can particularly be closed by region targetedly.Thus, definite drainage chamber 78 does not retain on air feed ground, thereby does not also have hot air 42 to enter the inside of constriction device from each distributed nozzle 62.
With reference to preferred embodiment describing the present invention.But for professional, it is contemplated that, can the present invention be made and being changed or amendment, and can not depart from the protection domain of claim below 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
74 chambers that become a mandarin
76 drainage chambers
78 drainage chambers
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 the angle between passage
β discharge angle
D spacing
SR1, SR2 flow direction
TE transmits 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) with packing (7) parcel, and at least two barrels (50 of arranging along described delivery section (10) in both sides, 60), at each barrel (50, 60) top is provided with distributes passage (80), shrink medium (42) and can be imported into corresponding barrel (50 along directed the first flow direction (SR1) downwards by described distribution passage, 60) in, barrel (50, 60) comprise respectively at least one inner chamber towards constricted channel (34), there is the effluent face (62) of nozzle opening (35), can be applied in whereby and shrink medium (42) with the described article (6) of packing (7) parcel, it is characterized in that, described barrel (50, 60) respectively comprise at least one deviator (70) for shrinking medium (42), by described at least one deviator (70) can make to shrink medium (42) at barrel (50, 60) reverse to flow to contraction medium (42) in the inner chamber (34) of constricted channel by nozzle opening (35) inside downwards directed the first flow direction (SR1), at least as far as possible upwards directed the second flow direction (SR2).
2. by constricted channel claimed in claim 1 (3), wherein, described deviator (70) is guidance type exterior feature, the deflecting plate for shrinking 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 at least one district that becomes a mandarin (74) for shrinking medium (42) by described barrel (50,60) and for shrinking at least one drainage district (76) of medium (42).
4. by constricted channel claimed in claim 3 (3), wherein, for shrink medium (42) described in become a mandarin district (74) and being separated from each other in the inherent flow technique of upper area of described barrel (50,60) for the described drainage district (76) of shrinking medium (42).
5. by the constricted channel (3) described in claim 3 or 4, wherein, for shrink medium (42) described in become a mandarin district (74) and interconnecting in the inherent flow technique of lower area of described barrel (50,60) for the drainage district (76) of shrinking medium (42).
6. by the described constricted channel (3) of one of claim 3 to 4, wherein, shrink first flow direction (SR1) of medium (42) at described barrel (50, 60) described in, become a mandarin and point to the direction that transmits plane (TE) in district (74) as far as possible downwards, wherein, first flow direction (SR1) of flow media (42) is at described barrel (50, 60) in lower area, reverse as far as possible by described deviator (70), thereby shrink second flow direction (SR2) of medium (42) at described barrel (50, 60) in described drainage district (76), as far as possible upwards leave and point to from described transmission plane (TE).
7. by the described constricted channel (3) of one of claim 3 to 4, wherein, be provided with in the top of described barrel (50,60) for delivery of the distribution passage (80) that shrinks medium (42), wherein, shrinking medium (42) can be imported into described at least one of described barrel (50,60) and become a mandarin in district (74) from described distribution passage (80).
8. by constricted channel claimed in claim 7 (3), wherein, described distribution passage (80) has the portion of feeding (82) arranging placed in the middle as far as possible for shrinking medium (42).
9. by constricted channel claimed in claim 7 (3), wherein, it is leg-of-mutton side (84) and hexagon or orthogonal bottom side as far as possible that described distribution passage (80) has.
10. by constricted channel claimed in claim 7 (3), wherein, the upside of described distribution passage (80) is made up of two trapezoidal faces (85) identical, that put toward each other and/or the rectangular surfaces (86) being arranged between described trapezoidal faces (85) Mirror Symmetry.
11. by the described constricted channel (3) of one of claim 1 to 4, and 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 the described constricted channel (3) of one of claim 1 to 4, 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 the each deviator (70) for shrinking medium (42), and wherein, described at least one inner tube wall (60) comprises two deviators (70) for shrinking medium (42).
13. by the described constricted channel (3) of one of claim 1 to 4, wherein, at least one deviator (72) that is used for shrinking medium (42) is permeable at least partly, and by multiple Connection Elements (92) that can not be ventilative in the case of forming multiple drainage chambers (78) that are stacked layout, be fixed on the flow surface (62) of described barrel (50,60).
14. for making the method for packing (7) contraction that holds article (6) complex, wherein, shrink medium (40, 42) by distributing passage (80) to import barrel with first flow direction (SR1) of downward orientation, shrink medium (40, 42) pass through nozzle opening (35) from barrel (50, 60) import constricted channel (2, 3) in, it is characterized in that, first flow direction (SR1) of the downward orientation of contraction medium (42) is at described barrel (50, 60) reverse as far as possible inside, thereby shrinking medium (42) flows out in the inner chamber (34) of constricted channel by nozzle opening (35) towards at least as far as possible upwards directed the second flow direction (SR2).
15. by the method described in claim 14, wherein, shrink medium (42) by distributing passage (80) to import described barrel (50 from top, 60) at least one becomes a mandarin in district (74), wherein, shrink medium (42) along described barrel (50, 60) inner deviator (70) is guided towards below, and wherein, shrink medium (42) break-in on the lower area of described deviator (70) and arrive described barrel (50, 60) in drainage district (74), thereby the flow direction (SR2) that shrinks medium (42) in described drainage district (76) reverses as far as possible with respect to the flow direction (SR1) that shrinks medium (42) in the described district that becomes a mandarin (74), and wherein, shrink medium (42) and in described 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 |
|---|---|---|---|
| DE102011052353.7 | 2011-08-02 | ||
| DE102011052353A DE102011052353A1 (en) | 2011-08-02 | 2011-08-02 | shrink tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102910321A CN102910321A (en) | 2013-02-06 |
| CN102910321B true 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) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013101484A1 (en) | 2013-02-14 | 2014-08-14 | Krones Aktiengesellschaft | SHRINKING DEVICE |
| DE102013101477A1 (en) * | 2013-02-14 | 2014-08-14 | Krones Aktiengesellschaft | SHRINKING DEVICE |
| DE102013101483A1 (en) * | 2013-02-14 | 2014-08-14 | Krones Aktiengesellschaft | shrinker |
| 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 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1413566A (en) * | 1966-11-18 | 1969-03-13 | W. R. Grace Australia | Packaging |
| US3808767A (en) * | 1971-01-11 | 1974-05-07 | Master Packaging Equipment Inc | Methods of and apparatus for shrink packaging |
| 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 |
| US3808702A (en) * | 1973-03-15 | 1974-05-07 | Gilbreth Co | Heat shrink tunnel for ensuring uniform shrinkage of heat shrinkable bands on articles of various sizes |
| GB1450336A (en) * | 1974-03-18 | 1976-09-22 | Denholm Ltd Andrew | Bakery oven |
| FR2328614A1 (en) * | 1975-10-09 | 1977-05-20 | Erel | EQUIPMENT FOR THE RETRACTION OF THERMOPLASTIC SHEATHS AROUND CONTAINERS |
| IT1182046B (en) * | 1985-07-09 | 1987-09-30 | Baggage Pack Italia Spa | MACHINE FOR THE AUTOMATIC PROTECTIVE PACKAGING OF OBJECTS OF DIFFERENT DIMENSIONS |
| US4597247A (en) * | 1985-10-15 | 1986-07-01 | The Mead Corporation | Method and apparatus for applying controlled heat to a group of articles disposed within a shrink film wrapper |
| DE3924871A1 (en) * | 1989-07-27 | 1991-02-07 | Dieter Kicherer | Shrinking tunnel for foil wrappings - uses gaseous heat transfer medium with adjustable heat content |
| DE4038417A1 (en) | 1990-12-01 | 1992-06-04 | Nuetro Maschinen & Anlagen | Shrink wrapping machine for palletised goods - has hot air heating system comprising channels with blower, heater and slot-like nozzles in channel sides parallel to wrapping sides |
| IT1291539B1 (en) * | 1997-04-11 | 1999-01-11 | Interdibipack Spa | CHAIN CONVEYOR FOR THERMORETRATION TUNNELS |
| DE102006036590A1 (en) * | 2006-08-04 | 2008-02-07 | Khs Ag | Method for shrinking a shrink wrap on packaging and apparatus for carrying out the method |
| DE202007018402U1 (en) | 2007-10-16 | 2008-07-10 | Krones Ag | shrink tunnel |
| DE102009044465A1 (en) * | 2009-11-09 | 2011-05-12 | Krones Ag | shrink tunnel |
| DE102010000192A1 (en) * | 2010-01-26 | 2011-07-28 | Krones Ag, 93073 | shrink tunnel |
-
2011
- 2011-08-02 DE DE102011052353A patent/DE102011052353A1/en not_active Withdrawn
-
2012
- 2012-06-13 EP EP20120171775 patent/EP2554483B1/en active Active
- 2012-08-02 CN CN201210273373.7A patent/CN102910321B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011052353A1 (en) | 2013-02-07 |
| EP2554483B1 (en) | 2015-01-07 |
| EP2554483A1 (en) | 2013-02-06 |
| CN102910321A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102910321B (en) | Shrink tunnel | |
| CN105599965A (en) | Apparatus and method for handling articles | |
| CN101804913B (en) | Conveyor and method for feeding further processing unit | |
| CN102050243B (en) | Shrink tunnel | |
| US7946100B2 (en) | Shrinking process for producing solid, transportable and printable containers and a device for carrying out a shrinking process of this type | |
| US11661225B2 (en) | Center divider for shrink oven | |
| SE464856B (en) | PROCEDURE AND APPARATUS FOR MANUFACTURING A MULTIWAVE EASY | |
| IN2012DN01582A (en) | ||
| CN103803174A (en) | Shrinkable packaging and device and method for producing the same | |
| CN206358479U (en) | Equipment for being retracted to packaging material on commodity or grouping of commodities | |
| EP0761541B2 (en) | Turbo-laminar purging system for packaging machine | |
| CN102145762B (en) | Contraction tunnel | |
| CN208802211U (en) | The section of packaging production line for beverage container | |
| CN109421961A (en) | Constriction device and for from the inner space of constriction device aspirate air method | |
| CN102897355B (en) | With the compressive shrinkage machines of article collection cooling piece | |
| EP2193083B1 (en) | Method and device for filling of containers of collapsible type | |
| CA1305653C (en) | Method and apparatus for applying controlled heat to a group of articlesdisposed within a shrink film wrapper | |
| CN103991585B (en) | Constriction device | |
| JPH01317955A (en) | Device for delivering flat object with mutually opposed end section in unequal thickness to packing device | |
| CN101730654B (en) | Method for storing and transporting products and a low pressure storage device therefor | |
| CN103991586B (en) | Constriction device | |
| CN103072716B (en) | Shrink tunnel | |
| ES2748501T3 (en) | Package handling device | |
| CN103991630B (en) | Cnstriction device | |
| CN205872644U (en) | Shrinking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |