CN102050243A - Shrink tunnel - Google Patents

Shrink tunnel Download PDF

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Publication number
CN102050243A
CN102050243A CN2010105436907A CN201010543690A CN102050243A CN 102050243 A CN102050243 A CN 102050243A CN 2010105436907 A CN2010105436907 A CN 2010105436907A CN 201010543690 A CN201010543690 A CN 201010543690A CN 102050243 A CN102050243 A CN 102050243A
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CN
China
Prior art keywords
nozzle
air
shrinking tunnel
flow
borehole wall
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Granted
Application number
CN2010105436907A
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Chinese (zh)
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CN102050243B (en
Inventor
克里斯蒂安·哈斯特雷特
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Krones AG
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Krones AG
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Publication date
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Publication of CN102050243A publication Critical patent/CN102050243A/en
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Publication of CN102050243B publication Critical patent/CN102050243B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B53/00Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/063Tunnels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B59/00Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001Arrangements to enable adjustments related to the product to be packaged

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Drying Of Solid Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The invention provides a shrink tunnel (10) for the heat shrink of a film surrounding articles (112), which is preferably used for the heat shrink of a film of a container (110).The shrink tunnel comprises at least one transportation section for the articles (112), at least one ventilation shaft (50) and at least one mechanism (60) for conveying the airflow (130) to the ventilation shaft.The ventilation shaft is equipped with at least one shaft wall (51) equipped with a plurality of jet nozzles (52) directed to the articles.The airflow is introduced into the interior of the shrink tunnel through the jet nozzles.The shaft wall is equipped with an adjusting unit for adjusting the quantity or a flow angle (beta) of the airflow in the interior of the shrink tunnel.The invention is to provide a setting or adjustment of the hot-air nozzles in a shrink tunnel, which allows a simple and rapid adaptation to the articles to be packaged.

Description

Shrinking tunnel
Technical field
The present invention relates to a kind of shrinking tunnel that is used to make the film thermal contraction of the feature by claim 1 preamble.
Background technology
By the known method and apparatus that is used for connection with wrapping of piece (packing material) of prior art, these method and apparatus are with the packing case of shrinkable film as object.This shrinkable film provides as the endless material (Endlosmaterial) on volume usually.
Shrinkable film in the inside of packing device corresponding to article collection size be separated.Then, diaphragm twines around article in this device inner loop by packaging system.And then, the article collection is passed the shrinking tunnel transportation.In shrinking tunnel, to the goods supply warm braw that is wrapped up, shrinkable film is tightened up, thereby this shrinkable film is close on the article and form the contraction article collection of having finished.
In addition, shrinking tunnel can be used for covering on container and adds the contraction label.In these processes, shrink quality and also have energy consumption all bringing into play important effect.
Come air feed by prior art is known by blast tube, nozzle passage and the ventilation borehole wall (Schachtwand).
Fig. 1 illustrates the shrinking tunnel 100 that adopts known blast tube technology.In shrinking tunnel 100, supply with warm braw 130 to the article collection of forming by the article 112 of employing shrinkable film 114 parcels that limit quantity 110.
Shrinking tunnel 100 has upper nozzle pipe, side direction blast tube and lower nozzle pipe 120,122,124, can supply with warm braw 130 to these blast tubes respectively.Top and side direction blast tube 120,122 can be regulated angledly, so that under the situation of the different geometries of article collection 110 and spacing, can only regulate the jet of warm braw 130 according to the center of article collection 110.But in this regard, each position on the article collection 110 self can not obtain jet with relative to each other limiting.
Fig. 2 illustrates the scheme drawing of the shrinking tunnel 104 that adopts the air trunk wall technique.Warm braw 130 is blown in the air trunk 150.Warm braw 130 releases by nozzle 152, and these nozzles are installed on whole of the ventilation borehole wall 151.The geometric configuration of this point and article collection 110 is irrelevant.
The advantage of this technology is that warm braw 130 flows out equably on whole of the ventilation borehole wall 151.The shortcoming of this technology is that noticeable article collection position can not obtain jet with respect to other positions.
US 3 744 146 discloses a kind of shrinking tunnel, and in this shrinking tunnel, warm braw is applied in the top and side of film equably.By first nozzle on the upper end, portal warm braw is imported in the tunnel ends.Import colder air by second nozzle that is arranged in first nozzle next door, so that on tunnel ends, produce gas curtain.In addition, on the bottom of sidewall, exist the slit, inwardly import warm braw and the lower area of the article of the institute's piling that mainly leads, make shrink wrapping also tighten the parcel pallet securely thus by these slits.
DE 36 15 213 A1 have introduced a kind of device that is used to make the film thermal contraction with adjustable contraction framework.Warm braw produces by the gas burner of arranging around ground, and wherein, hot gas turns to by tuyere.Each contraction frame side can be moved as follows and be supported adjustably,, can adjust object to be packaged and the spacing between the hot gas that is.In addition, each that is equipped with burner section shunk frame side all be provided with the chamber that the step wise that is used for hot gas switches on and off in end regions.
DE 38 26 358 A1 show a kind of device that is used to make around the film thermal contraction of object to be packaged, this device have surround object, can shrink framework along the polygon of this object of which movement.Shrinking on the framework, the heating arrangement with nozzle-like outlet is arranged on the inboard of this contraction framework around ground.Heating arrangement is used to produce the face that film covered of thermal current object also that this thermal current guiding is to be packaged, and wherein, heating arrangement is connected with airflow pipe, supplies with outside air by central blowing engine to this airflow pipe.This should realize complete and uniform contraction as far as possible energy-conservationly and safely under the situation of no gas combustion process.This point realizes in the following way, promptly, on each framework inboard, all be furnished with a plurality of that be arranged side by side at least singlely, can be separately with respect to heating arrangement frame adjustment, electrically operated, be used to heat the air-flow of carrying by blowing engine, wherein, the water back of each heating arrangement and institute's heated air stream can be regulated individually.
EP 463 069 B1 disclose a kind of apparatus and method that are used for making by means of vapours the packaging film contraction.By using shot of steam with relative wide scattering, has the heating that whole packaging film is realized on advantage ground basically, because steam " is close to " manufactured product with low relatively speed.Therefore, the contraction that directly is not exposed to those zones of shot of steam also is guaranteed.
DE 40 38 417 A1 have introduced a kind of bell-type shrinker, its have can vertical shifting heating frame, be used to pack the packed goods that piling forms.Heating frame is made up of the passage of blowing engine that is provided with heating device in air-flow and slot atomizer.Heating frame is provided with heat blower, thereby only discharges the air through heating in the zone of shrinking cover.
DE 10 2,006 036 590 A1 disclose a kind of shrinkable film that makes and have been retracted to method at least one packaging unit, shrinkable film covers and is added on this at least one packaging unit, and this at least one packaging unit during shrinking under the situation of at least one beam that uses hot gaseous medium, for example on the transportation section, moving under the situation of using at least one hot blast beam, thereby this beam finishes to point to all the time corresponding the packing until shrinking.Warm braw provides by having the discharge orifice that is controlled in a large number and the nozzle system of jet hole.
Summary of the invention
The objective of the invention is to, a kind of adjustment or adjusting possibility at the hot-blast spray nozzle in the shrinking tunnel are provided, this adjustment or adjusting possibility can realize adapting simply and fastly with article to be packaged.
Above-mentioned purpose is achieved by a kind of shrinking tunnel that has nozzle system, and this shrinking tunnel comprises the feature of claim 1.
The present invention relates to a kind of shrinking tunnel that is used to make around the film thermal contraction of article.The invention particularly relates to be used to pack layout become the article collection, add the shrinking tunnel of the liquid container of dress.For example with six or eight beverage bottles are weaved into group and utilize shrinkable film to wrap up.And then, shrinkable film is shunk, thus this shrinkable film firmly but can be dividually around bottle and tighten into the article collection.
In addition, this shrinking tunnel also is used to make label to be retracted on the article and therefore firmly but generally speaking can separately be connected with these these article.
Shrinking tunnel comprises at least one the transportation section that is used for article.Here, this transportation section for example is a belt conveyor, especially endless conveyer or other suitable transport establishments.Shrinking tunnel preferably has the shape of the cuboid of belt length shape slightly, and this shrinking tunnel has the entrance and exit that is used for article respectively on two opposed ends, and wherein, the transportation section is distributed between these two mouths.
At least one wall that is parallel in the wall that transports section constitutes air trunk, and wherein, this at least one air trunk comprises the ventilation borehole wall, is furnished with the nozzle of a plurality of sensing article in this ventilation borehole wall.The ventilation borehole wall that has nozzle system is preferably perpendicular to the transportation section ventilation borehole wall of arranging.
In addition, exist at least one to be used for the mechanism of gas delivery to air trunk.Air communication is crossed the inside that nozzle on the ventilation borehole wall is directed to shrinking tunnel.The air warm or heat that air-flow preferably produces by suitable heat blower.
According to the present invention, the ventilation borehole wall comprises and is used to adjust the amount of air-flow and/or the mechanism of flowing angle.By the hot blast rate and the inflow angle that flow into are adjusted, should targetedly the air-flow guiding be needed the zone of air-flow.Thus, the amount of required hot blast can be reduced to actual required amount, and therefore energy cost be minimized.Another advantage is that the mechanical specialities of packing and appearance characteristics can be optimized or just realize fully for the first time.
Be used to adjust the amount of air-flow and/or the mechanism of flowing angle is positioned at the front that is arranged in the nozzle on the ventilation borehole wall in shrinking tunnel inside.
According to a kind of alternative embodiment of the present invention, be used to adjust the amount of air-flow and/or mechanism's formation ventilation borehole wall of flowing angle.When needing, these mechanisms are spatially separated from each other by partition, that is to say, the ventilation borehole wall is made up by mechanism and intermediate spacers in this case and forms.The another kind of embodiment of foundation is used to adjust the amount of air-flow and/or the mechanism of flowing angle is fixed on the shrinking tunnel in-to-in ventilation borehole wall.
Preferably, nozzle in a row is arranged at least one ventilation borehole wall.This nozzle row preferably arranges with being parallel to the transportation section in parallel with each other and.According to another kind of embodiment, nozzle placement becomes array.According to a kind of alternative embodiment, nozzle row also can have vertical layout at other purposes.
The another kind of embodiment of foundation is used to adjust the amount of air-flow and/or the mechanism of flowing angle is made up of support and at least one conversion nozzle plate that at least one is arranged on the shrinking tunnel inner ventilation borehole wall respectively.
Support constitutes as follows, that is, the conversion nozzle plate can be pushed in these supports.For example, support is made up of the C section bar.Especially, the conversion nozzle plate can be parallel to the motion of the ventilation borehole wall and can be replaced in support.
The conversion nozzle plate preferably has the orifice plate of opening.According to preferred embodiment a kind of, the opening in the orifice plate is apart opened with the spacing identical with nozzle among the row who is parallel to the transportation section.According to another kind of embodiment, also exist as orifice plate, promptly in these orifice plates, per second or per the 3rd nozzle or covered similarly that is to say, these orifice plates do not have opening in the zone of per second or per the 3rd nozzle.Therefore realized further weakening the purpose of inrush of air.
The preferred different orifice plates that exist with different openings size, thus adjust either large or small opening and therefore in the unit of time of determining, make more or less hot blast enter into the inside of shrinking tunnel according to employed orifice plate.Different orifice plates for example is arranged in the box of storehouse, can require to provide these orifice plates as required from this storehouse box.This point can manually or automatically be carried out.
In addition, can use so-called blind plate.In this regard, this blind plate is a plate of not being with opening, and this blind plate is used for valve nozzles row fully.
For example, if the article collection of big bottle will be provided with shrink wrapping, so just need all be blown in the shrinking tunnel on the whole height with the nozzle of hot blast in being arranged in the ventilation borehole wall.On the contrary, if make by the molecular article collection of bottle, so may be only need be in lower area heat air delivery.In this case, the nozzle in the upper area hides by blind plate, thereby is not blown into air and therefore needs still less hot blast generally in upper area, thereby can be with required energy minimization.
According to another kind of embodiment, use above-mentioned orifice plate in order to hide the nozzle in definite zone, these orifice plates move in the inside of support certainly in the following way, that is, the opening on the orifice plate is between the nozzle, and nozzle itself is then covered.
At least one support that is used for the conversion nozzle plate can move with respect to the ventilation borehole wall.Preferably, support can pivot around the axis that is parallel to the ventilation borehole wall in order to adjust flowing angle.Especially, support can upwards pivot with angle [alpha] with respect to the vertical ventilation borehole wall, thereby at flowing into the inflow angle beta that shrinking tunnel in-to-in hot blast forms 180 °-α.Provide simple adjustment possibility thus, and needn't regulate nozzle itself at the inflow angle that is arranged in the nozzle in the row.
Be furnished with between support and the ventilation borehole wall or intermediate spacers and carry out the leak free element, the space occurs when these elements prevent angular adjustment on the ventilation borehole wall, hot blast passes these spaces and enters into shrinking tunnel inside uncontrollably.For example can use the elastic seal lip of making by rubber or similar material.
According to another kind of embodiment, the glass fabric that the space utilization aluminium between the nozzle row that all angles are adjustable covers seals.This glass fabric correspondingly by pre-folded, be threaded and bonding.
The present invention comprises other possibilities of pliable and tough ground leak free that the professional is known equally.
According to of the present invention preferred embodiment a kind of, the nozzle in the row is adjusted as follows, that is, making air-flow is uniform in this row.Therefore, in this row, form the inrush of air condition that remains unchanged along the transportation section.Especially, therefore along determining the interior transportation section in zone all the time to the hot air of goods supply same amount, this hot air is to be blown into from the angle of determining.
According to another preferred embodiment of the present invention, the nozzle in the row is adjusted as follows, that is, it is uniform air-flow being considered in a row flowed out direction and/or flow out under the angle case.
But utilize introduced by the preferred nozzle of arranging abreast and be arranged in these nozzle fwds, be used for the system that the support of the pivoting action of conversion nozzle plate is formed, can adjust hot blast stream simply, wherein, no matter be the amount of hot blast or flowing into angle all can obtain adjusting.Being adjusted in this respect of hot blast stream from row's nozzle had nothing to do with the adjustment that the hot blast from other row's nozzles is flowed.
The present invention has introduced a kind of system that supplies with hot blast around article and article group (for example shrink the article collection, have the container or the analogue of shrink label).
In these processes, shrink quality and also have energy consumption bringing into play important effect.Shrinking the presentation quality of article collection and mechanical quality and energy consumption can be by the orientation of being introduced of the hot blast jet in cargo area to be processed only, the orientation of nozzle, is optimized by variable nozzle form and nozzle diameter and by the rectangular distribution that flows out.
In this supply technology, technique known flow out aspect the rectangular distribution advantage with according to advantage of the present invention, the changeability of the adjustable angle of noticeable article collection position and nozzle form and concerning jet targetedly especially by come closed each nozzle row that the possibility of air feed coupling is made up mutually at different article collection sizes.Utilize known so far adjustment possibility, can not carry out jet to noticeable article collection position targetedly.
The present invention not just can with the combination of shrinking tunnel under be applied.The present invention especially can also be used to utilize different instruments to heat or cooling object in the mode that limits.For example, what it is contemplated that is to use the present invention in soldering oven.In addition, can when carrying empty PET bottle, strength use.By the air feed changeably that is proposed also can be targetedly with dry up bottle energy-conservationly.
Description of drawings
Below, embodiment will elaborate the present invention and advantage thereof by accompanying drawing.Discrete-component dimension scale relative to each other is not always corresponding to real dimension scale in the accompanying drawing, and this is that other shapes illustrate in order to illustrate better with respect to other elements with being exaggerated because some shapes are simplified.
Fig. 1 illustrates the scheme drawing of the shrinking tunnel that adopts known blast tube technology (prior art).
Fig. 2 illustrates the scheme drawing of the shrinking tunnel that adopts air trunk wall technique (prior art).
Fig. 3 illustrates to adopt and has the scheme drawing of the shrinking tunnel of the air trunk wall technique of air feed changeably.
Fig. 4 illustrates and adopts the scheme drawing have at the shrinking tunnel of the air trunk wall technique of the air feed changeably of the article collection of being made up of little article.
Fig. 5 illustrates and adopts the scheme drawing have at the shrinking tunnel of the air trunk wall technique of the air feed changeably of the article collection of being made up of big article.
Fig. 6 to 8 illustrates the adjustment of air feed changeably.
Fig. 9 illustrates the detailed view of the support that has converter plate.
Figure 10 illustrates the adjusting possibility of carrying out by means of lever.
Figure 11 illustrates the scheme drawing of shrinking tunnel, and the shrink label lining adds in this shrinking tunnel.
Use identical Reference numeral at identical or effect components identical of the present invention.In addition, for the reason of general view only at the Reference numeral that concerning the explanation respective drawings, needs shown in the single accompanying drawing.It can be not final restriction as the example of where constructing that illustrated embodiment only shows according to device of the present invention.
The specific embodiment
Fig. 1 and Fig. 2 have done detailed description in the prior art.
Fig. 3 illustrates to adopt and has the scheme drawing of the foundation shrinking tunnel 10 of the present invention of the air trunk wall technique of air feed changeably.In addition, Fig. 3 also illustrates nozzle row's relative adjustability relative to each other.
Shrinking tunnel 10 has at least one air trunk 50.This at least one air trunk 50 is the hollow walls that for example are made of metal, and has at least one ventilation borehole wall 51, and this ventilation borehole wall all has jet hole 52 at least basically on the whole length of the height of shrinking tunnel 10.Generally speaking, shrinking tunnel 10 has two air trunks 50 parallel to each other and be parallel to and arrange perpendicular to article transportation section ground, and wherein, the ventilation borehole wall 51 is arranged in such a way, that is, make jet hole 52 point to the inside of shrinking tunnel 10.Supply with hot blast or warm braw 130 by hot air blower 60 or other blowing engines to the ventilation borehole wall 51, thereby warm braw or hot blast 130 flow into the inside of shrinking tunnel 10 by jet hole 52.This point is preferred only in the zone 20,20 of the article 112 that remain to be utilized shrinkable film 114 to pack *The interior generation.Thus, can the consumption of warm braw 130 is also therefore energy consumption minimized.
As by shown in the different outflow angle of warm braw 130, can be relative to each other and adjust nozzle row independently of one another, thus the outflow angle of warm braw 130 can be individually adapts with the article 112 that remain to be supplied to air 130.
In Fig. 4 and Fig. 5, clearlying show, with the big article 112 of packing *In time, compared, at the little article 112 of packing *The time, be supplied to the zone 20 of warm braw 130 along the height of the ventilation borehole wall 50 *Necessarily littler.In this case, remain to be supplied to the zone 20 of air 130 *Correspondingly higher, and the quantity of institute's air supplied nozzle 52 is generally speaking more equally, to guarantee heat shrink film 114 equably.
Fig. 6 to Fig. 8 illustrates the adjustment of air feed changeably.The ventilation borehole wall 50 has nozzle 52, by these nozzles warm braw 130 is blown in the inner space of shrinking tunnel.Nozzle 52 53 ground preferred in a row are arranged.Being positioned at nozzle row fwd is the movable support 23 that is used for orifice plate 22.
Support 23 is preferably formed by the manufacturing of C section bar, and orifice plate 22 can laterally be pushed in these supports simply.
Air feed is undertaken by removable orifice plate 22, and these orifice plates are presented in the ventilation borehole wall 50 in the mode that depends on article to be packaged and employed shrinkable film.Orifice plate 22 is pushed in the support 23 for this reason.Orifice plate 22 is apart turned up the soil with nozzle 52 and is had opening 24.The size of opening 24 corresponding to have article to be packaged require construct either large or smallly, thereby air-flow the last 130 or weak or can point to the article 112 that utilize shrinkable film 114 to be twined targetedly.
The another kind of alternative embodiment of foundation by orifice plate 22 moving on sense of motion A, can change and adjust shape and so the change and the adjustment amount of air 130 (also referring to Fig. 6) of nozzle 52 in addition.Therefore, so especially can make amount of air 130 maximizations if big opening 24 directly is arranged in the front of nozzle 52 and the whole air 130 that produced all can be discharged in the shrinking tunnel by these nozzles row 52,54.On the contrary, the amount of the air 130 that is discharged can be restricted, and method is: by moving orifice 22 jet hole 52,54 is diminished.
The blind plate 25 that does not have opening by use can hide jet hole 52 fully, thereby does not have warm braw 130 to flow into (Fig. 8) in the shrinking tunnel 10 on these positions.Therefore for example, with less article 112 *When being packaged in the shrinkable film 114 (Fig. 4), the nozzle 52 in the upper area of the ventilation borehole wall of shrinking tunnel 10 can be covered fully.
Preferably, can carry out additionally in the angular adjustment shown in Fig. 7 by orifice plate 22.Support 23 is movable and can regulates in its angle [alpha], thereby warm braw 130 is blown in the shrinking tunnel 10 in flowing angle β=180 that limit thus °-α.
By by orifice plate 24 or by blind plate 25 can simple realization angular adjustment and in the modification possibility of the vpg connection of nozzle 52, air-flow 130 is adjusted and optimized according to each article collection shape 110 in the mode of qualification on can each position shrinking tunnel 10 in.
For example can in the critical zone, bottom of article collection 110 (being also referred to as the film flange), supply with the warm braw 130 of higher volumes flow and close N/R nozzle 52 in a row on the other hand, to reduce required generally rate of volume flow and therefore to cut down the consumption of energy to shrinkable film 114.
Fig. 9 A to C illustrates the detailed view of the support 23 that has converter plate 22.Fig. 9 A illustrates front elevation, and Fig. 9 B illustrates view from behind and Fig. 9 C illustrates the lateral plan of the support 23 that has the converter plate 22 that is pushed.The orifice plate 22 that is pushed in the C of support 23 section bar, on a plurality of positions, utilize screw 30 for example sunk serew 31 clamp.Thus, orifice plate is clamped in the plate flange of the bending of the section bar of support 23.Support 23 preferred arrangements are on setting device 40.For example, support 23 is soldered to or otherwise is fixed on the setting device 40.Setting device 40 comprises pole 42 in addition.This pole helps support 23 to center on longitudinal axis X motion and therefore helps to adjust desirable angle.
Figure 10 illustrates the possibility of carrying out angular adjustment by little adjust bar 45.Support 23 has setting device shown in Figure 9 40,42, and these setting devices are connected with the lever 45 of side direction.This lever helps to make support 23 to reverse simply around its longitudinal axis X.
Preferably, between the support 23 and the ventilation borehole wall 51, be furnished with and carry out leak free element (not shown), these elements prevent from the space to occur on the ventilation borehole wall 51 when carrying out angular adjustment, and hot blast 130 passes the inside that these spaces enter into shrinking tunnel 10 uncontrollably.For example use the elastic seal lip of making by rubber or similar material.
Alternatively, the glass fabric that covers of the space utilization aluminium between the adjustable nozzle of all angles row 52,53 seals.This glass fabric correspondingly by pre-folded, be threaded and bonding.
Alternatively, on the C of support 23 section bar, can be welded with angle bar (Winkel), utilize additional device can regulate this angle bar.
According to another kind of embodiment, can omit lever 45, accommodation section 42 can extend in the lateral flanges of the ventilation borehole wall 51 always and be supported rotationally there.Just can omit the part that is used for lever 45 thus.So support 23 can be regulated by simply pushing.
Figure 11 exemplarily illustrates by the foundation of Fig. 3 shrinking tunnel 10 of the present invention and is used to process shrink label 116.Shrink label 116 linings are added on the article 112 of label, and especially lining is added on the bottle of label, and supplies with warm braw 130 to these shrink labels in shrinking tunnel 10.Nozzle row correspondingly obtains adjusting, thereby only makes warm braw 130 point to article 112 targetedly in the zone 21 of following height, and promptly shrink label 116 is on the article 112 in this zone.Corresponding to the present invention, therefore single-nozzle row utilizes blind plate to seal (referring to Fig. 8) and correspondingly cooperates (referring to Fig. 6, Fig. 7) with the outflow angle of other nozzles row's warm braw.
With reference to preferred embodiment describing the present invention.But conceivablely concerning the professional be, can change or change, and meanwhile can't leave the protection domain of following claim the present invention.
Reference numerals list:
10 with the shrinking tunnel of air feed changeably
20 zones with the ventilation borehole wall of air feed
20 *Zone with the ventilation borehole wall of air feed
21 zones with the ventilation borehole wall of air feed
22 conversion nozzle plates: orifice plate
23 supports
24 openings
25 conversion nozzle plates: blind plate
30 screws
31 counter-sunk screws
40 adjusting devices
42 poles
45 adjusts bar
50 air trunks
The 51 ventilation boreholes wall
52 nozzles/jet hole
53 rows
60 hot air blowers
100 adopt the shrinking tunnel of blast tube technology
104 adopt the shrinking tunnel of air trunk wall technique
110 article collection
112 article
112 *Little article
112 *Big article
114 shrinkable films
116 shrink labels
120 upper nozzle pipes
122 side direction blast tubes
124 lower nozzle pipes
130 warm braws/hot blast
140 upper nozzle passages
142 side direction nozzle passages
The wide seam nozzle in 144 bottoms
150 air trunks
The 151 ventilation boreholes wall
152 nozzles
The A sense of motion
The X longitudinal axis
The α movement angle
β flowing angle=180 °-α

Claims (11)

1. shrinking tunnel (10), be used to make film (114) thermal contraction around article (112), wherein, described shrinking tunnel (10) comprises at least one the transportation section that is used for described article (112), at least one air trunk (50) and at least one are used for air-flow (130) is transported to the interior mechanism (60) of described air trunk, wherein, described air trunk (50) has at least one ventilation borehole wall (51), described at least one air trunk cornice has the nozzle (52) of the described article of a plurality of sensings (112), and wherein, described air-flow (130) can be directed to the inside of described shrinking tunnel (10) by described nozzle (52), it is characterized in that, the described ventilation borehole wall (51) comprises mechanism (22,23), described mechanism (22,23) be used for adjusting to relatively the amount and/or the flowing angle (β) of the described air-flow (130) that goes described shrinking tunnel (10) inside with the described ventilation borehole wall (51).
2. by the described shrinking tunnel of claim 1 (10), wherein, described nozzle (52) is arranged at least one row (53).
3. by claim 1 or 2 described shrinking tunnels (10), wherein, described mechanism (22,23) comprises that respectively at least one is arranged in support (23) and at least one conversion nozzle plate (22,25) on the inner described ventilation borehole wall of described shrinking tunnel (10) (51).
4. by the described shrinking tunnel of claim 3 (10), wherein, described conversion nozzle plate (22,25) can be parallel to described ventilation borehole wall motion and can be replaced in described support (23).
5. by claim 3 or 4 described shrinking tunnels (10), wherein, described conversion nozzle plate is orifice plate (22) or the blind plate (25) that has opening (24).
6. by one of claim 3 to 5 described shrinking tunnel (10), wherein, at least one support (23) can pivot around the axis that is parallel to the described ventilation borehole wall in order to adjust described flowing angle.
7. by one of claim 3 to 6 described shrinking tunnel (10), wherein, a row (53) described nozzle (52) can seal by blind plate (25).
8. by one of aforementioned claim described shrinking tunnel (10), wherein, adjust as follows by the described air-flow (130) that described nozzle (52) imports, that is, making described air-flow is uniform in a row (53,53 ').
9. by one of claim 1 to 7 described shrinking tunnel (10), wherein, adjust as follows by the described air-flow (130) that described nozzle (52) imports, that is, make described air-flow consider that in row (53,53 ') inherence it is uniform flowing out under direction and/or described outflow angle (β) situation.
10. by one of aforementioned claim described shrinking tunnel (10), wherein, first row's (53) the adjustment of pass through the described air-flow (130) that described nozzle (52) imports and adjustment to the described air-flow (130) that pass through described nozzle (52) importing of second series (53 ') are had nothing to do.
11., wherein, between the described support (23) and the described ventilation borehole wall (51), be furnished with and carry out the leak free element by one of aforementioned claim described shrinking tunnel (10).
CN2010105436907A 2009-11-09 2010-11-09 Shrink tunnel Expired - Fee Related CN102050243B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009044465.3 2009-11-09
DE102009044465A DE102009044465A1 (en) 2009-11-09 2009-11-09 shrink tunnel

Publications (2)

Publication Number Publication Date
CN102050243A true CN102050243A (en) 2011-05-11
CN102050243B CN102050243B (en) 2013-03-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105436907A Expired - Fee Related CN102050243B (en) 2009-11-09 2010-11-09 Shrink tunnel

Country Status (3)

Country Link
EP (1) EP2319769B1 (en)
CN (1) CN102050243B (en)
DE (1) DE102009044465A1 (en)

Cited By (11)

* Cited by examiner, † Cited by third party
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CN102910321A (en) * 2011-08-02 2013-02-06 克罗内斯股份公司 Shrink tunnel
CN104470811A (en) * 2012-07-12 2015-03-25 施利福国际公司 Heat-shrinking installation comprising heat diffusion means forming a unitary assembly
CN104470811B (en) * 2012-07-12 2016-08-24 施利福国际公司 Thermal contraction equipment including the thermal diffusion device forming integral type molectron
US9162787B2 (en) 2012-12-05 2015-10-20 Tzu-Chin Hung Tangential airstream heat shrinking device of plastic film
CN103991630A (en) * 2013-02-14 2014-08-20 克罗内斯股份公司 Cnstriction device
CN104015961B (en) * 2013-03-01 2016-04-06 克罗内斯股份公司 Regulate suspension bracket, constriction device and be used for the method for adjust well barrel
CN104015961A (en) * 2013-03-01 2014-09-03 克罗内斯股份公司 Adjustment portal, shrinking device and method for adjusting shaft walls
CN104108490A (en) * 2013-04-17 2014-10-22 克罗内斯股份公司 Shrinking Device And Method For Adjusting A Shrinking Device
CN104960704A (en) * 2015-06-18 2015-10-07 广州达意隆包装机械股份有限公司 Heating device for product external packing
CN108137183A (en) * 2015-10-19 2018-06-08 株式会社南阳魔术 Rotary-type thermal shrink label paper attachment device
CN109415132A (en) * 2016-06-28 2019-03-01 克朗斯股份公司 For process container equipment and for pack it is filling after container method
US11104465B2 (en) 2016-06-28 2021-08-31 Krones Ag Installation for the treatment of containers, and method for packaging filled containers
WO2018076589A1 (en) * 2016-10-31 2018-05-03 江苏新美星包装机械股份有限公司 Heat shrinkable box having air blowing mechanism for membrane packaging machine
CN114987859A (en) * 2022-07-18 2022-09-02 上海固好包装机械有限公司 Step type self-rotating heat compressor
CN114987859B (en) * 2022-07-18 2024-02-20 上海固好包装机械有限公司 Stepped autorotation heat shrinkage machine

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