CN102050243B - Shrink tunnel - Google Patents
Shrink tunnel Download PDFInfo
- Publication number
- CN102050243B CN102050243B CN2010105436907A CN201010543690A CN102050243B CN 102050243 B CN102050243 B CN 102050243B CN 2010105436907 A CN2010105436907 A CN 2010105436907A CN 201010543690 A CN201010543690 A CN 201010543690A CN 102050243 B CN102050243 B CN 102050243B
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- China
- Prior art keywords
- nozzle
- air
- flow
- shrinking tunnel
- shrinking
- Prior art date
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- Expired - Fee Related
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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
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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
- B65B59/00—Arrangements 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
- B65B59/001—Arrangements to enable adjustments related to the product to be packaged
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
Technical field
The present invention relates to a kind of shrinking tunnel that film thermal is shunk of being used for of the feature by claim 1 preamble.
Background technology
By the known method and apparatus 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 is separated corresponding to article collection size ground in the inside of packing device.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, supply with warm braw to the article that wrap 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 add the contraction label for covering at container.In these processes, shrink quality and also have energy consumption all to play an important role.
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 110 that the article 112 by employing shrinkable film 114 parcels that limit quantity form.
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 angularly be regulated, so that in 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 schematic diagram 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, warm braw 130 flows out on whole of the ventilation borehole wall 151 equably.The shortcoming of this technology is, 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 the first nozzle on the upper end, portal warm braw is imported in the tunnel ends.Import colder air by the second nozzle that is arranged in the first nozzle next door, in order to produce gas curtain in tunnel ends.In addition, exist the slit in the bottom of sidewall, inwardly import warm braw and the lower area of the article of the institute's piling that mainly leads by these slits, make thus shrink wrapping also tighten securely the parcel pallet.
DE 36 15 213 A1 have introduced a kind of device that is used for making 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 and be provided with the chamber that the step wise for hot gas switches on and off in end regions.
DE 38 26 358 A1 show a kind of be used to making the device that shrinks around the film thermal 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.The face that heating arrangement covers for generation of the film of thermal current and object that this thermal current guiding is to be packaged, wherein, heating arrangement is connected with airflow pipe, by central blowing engine to this airflow pipe supply outside air.This should be in the situation that realize complete and uniform contraction without gas combustion process as far as possible energy-conservationly and safely.This point realizes in the following way, namely, on each framework inboard, 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 for the air-flow that heating is carried by blowing engine, wherein, the water back of each heating arrangement can be regulated individually with the air-flow that heats.
EP 463 069 B1 disclose a kind of apparatus and method for packaging film is shunk.By using shot of steam with relatively low speed with relative wide scattering, has the heating that whole packaging film is realized on advantage ground basically, because steam " is close to " manufactured product.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, and it has the heating frame that can vertically move, and are used for the packed goods that the packing piling forms.Heating frame is comprised of the passage of the 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 hood.
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 in the situation of at least one beam that uses hot gaseous medium, for example in the situation that use at least one hot blast beam in the motion of transportation section, thereby this beam is until shrink and finish to point to all the time corresponding packing.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 object of the invention is to, a kind of adjustment or adjustment possibility for the hot-blast spray nozzle in the shrinking tunnel are provided, this adjustment or adjustment possibility can be realized adapting simply and fastly with article to be packaged.
Above-mentioned purpose is achieved by a kind of shrinking tunnel with nozzle system, and this shrinking tunnel comprises the feature of claim 1.
The present invention relates to a kind of shrinking tunnel be used to making around the film thermal contraction of article.The invention particularly relates to for the packing 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 for making 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 for article.Here, this transportation section for example is belt conveyor, especially endless conveyer or other suitable transport establishments.Shrinking tunnel preferably has slightly with the shape of microscler cuboid, and this shrinking tunnel has respectively the entrance and exit for article 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.A ventilation borehole wall of preferably arranging perpendicular to the transportation section with the ventilation borehole wall of nozzle system.
In addition, exist at least one to be used for air-flow is transported to the mechanism of air trunk.Air-flow is directed to the inside of shrinking tunnel by the nozzle on the ventilation borehole wall.The air warm or heat that air-flow preferably produces by suitable heat blower.
According to the present invention, the ventilation borehole wall comprises for the amount of adjusting 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, the mechanical specialities of packing and appearance characteristics can be optimized or just realize fully for the first time.
Be used for the amount of adjustment air-flow and/or the mechanism of flowing angle and be 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 for adjusting 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.According to another kind of embodiment, be fixed on the ventilation borehole wall of shrinking tunnel inside for the mechanism of the amount of adjusting air-flow and/or flowing angle.
Preferably, nozzle is arranged at least one ventilation borehole wall in rows.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 for other purposes.
According to another kind of embodiment, be used for the amount of adjustment air-flow and/or the mechanism of flowing angle and formed by support and at least one conversion nozzle plate that at least one is arranged on the shrinking tunnel inner ventilation borehole wall respectively.
Support consists of as follows, that is, the conversion nozzle plate can be pushed in these supports.For example, support is comprised 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 is preferably with 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 such as orifice plate, namely 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 that air flows into.
The preferred different orifice plates with different openings size that exist, 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 as required these orifice plates 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 the plate of not being with opening, and this blind plate is used for fully valve nozzles row.
For example, if the article collection of large bottle will be provided with shrink wrapping, so just need to 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 to 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 generally still less hot blast 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 the definite area, 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 forms the inflow angle beta of 180 °-α for the hot blast that flow into shrinking tunnel inside.Provide thus the simple adjustment possibility for the inflow angle that is arranged in the nozzle in the row, and needn't regulate nozzle itself.
Be furnished with the element that seals between support and the ventilation borehole wall or intermediate spacers, the space occur at the ventilation borehole wall when these elements prevent angular adjustment, hot blast passes these spaces and enters into uncontrollably shrinking tunnel inside.For example can use the elastic seal lip of being made 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 that seal that the professional is known equally pliable and toughly.
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 air that remains unchanged along the transportation section and flow into condition.Therefore especially, the transportation section in the definite area is supplied with the hot air of same amount all the time to article, and 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 introduce by the preferred nozzle of arranging abreast and be arranged in the system that support these nozzle fronts, that be used for the pivoting action of conversion nozzle plate forms, can adjust simply hot air flow, wherein, no matter be the amount of hot blast or flowing into angle all can be adjusted.Being adjusted in this respect with to the adjustment of arranging the hot air flow of nozzles from other of hot air flow from row's nozzle had nothing to do.
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, with container or the analogue of shrink label).
In these processes, shrink quality and also have energy consumption to play an important role.Shrinking the presentation quality of article collection and mechanical quality and energy consumption can be by the orientation of introducing 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 even distribution of flowing out.
In this supply technology, known technology flow out aspect the even distribution advantage with according to advantage of the present invention, the changeability of the angle adjustability of noticeable article collection position and nozzle form and by come closed each nozzle row that the possibility of air feed coupling is made up mutually for different article collection sizes concerning jet targetedly especially.Utilize so far known 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 for utilizing 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 changeably air feed that proposes 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 schematic diagram of the shrinking tunnel that adopts known blast tube technology (prior art).
Fig. 2 illustrates the schematic diagram of the shrinking tunnel that adopts air trunk wall technique (prior art).
Fig. 3 illustrates and adopts with the schematic diagram of the shrinking tunnel of the air trunk wall technique of air feed changeably.
Fig. 4 illustrates the schematic diagram that adopts with for the shrinking tunnel of the air trunk wall technique of the changeably air feed of the article collection that is comprised of little article.
Fig. 5 illustrates the schematic diagram that adopts with for the shrinking tunnel of the air trunk wall technique of the changeably air feed of the article collection that is comprised of large article.
Fig. 6 to 8 illustrates the changeably adjustment of air feed.
Fig. 9 illustrates the detailed view with the support of converter plate.
Figure 10 illustrates the adjustment possibility that carries out by means of lever.
Figure 11 illustrates the schematic diagram of shrinking tunnel, and the shrink label coating adds in this shrinking tunnel.
For of the present invention identical or act on identical element and use identical Reference numeral.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 such 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 and adopts with the schematic diagram 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.
As by shown in the different outflow angle of warm braw 130, can be relative to each other and adjust independently of one another nozzle row, thus the outflow angle of warm braw 130 can be individually adapts with the article 112 that remain to be supplied to air 130.
As clearlying show among Fig. 4 and Fig. 5, with the large 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 less.In this case, remain to be supplied to the zone 20 of air 130
*Correspondingly higher, and the quantity of the air nozzle 52 of supplying is generally speaking more equally, to guarantee equably heat shrink film 114.
Fig. 6 to Fig. 8 illustrates the changeably adjustment of air feed.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.What be positioned at nozzle row front is movable support 23 for orifice plate 22.
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 targetedly the article 112 that utilize shrinkable film 114 to twine.
According to another kind of alternative embodiment, by the movement of orifice plate 22 on sense of motion A, can change and adjust in addition shape and so change and the adjustment amount of air 130 (also referring to Fig. 6) of nozzle 52.Therefore if large opening 24 directly is arranged in the front of nozzle 52 and the whole air 130 that produce all can be discharged in the shrinking tunnel by these nozzles row 52,54, so especially can make amount of air 130 maximizations.On the contrary, the amount of the air 130 that discharges can be restricted, and method is: by moving orifice 22 jet hole 52,54 is diminished.
By using the blind plate 25 without opening can hide jet hole 52 fully, thereby there is not warm braw 130 to flow into (Fig. 8) in the shrinking tunnel 10 at these positions.Therefore for example, at article 112 that will be less
*Be packaged in shrinkable film 114 when interior (Fig. 4), the nozzle 52 in the upper area of the ventilation borehole wall of shrinking tunnel 10 can be fully covered.
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 the flowing angle β that limits thus=180 °-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 restriction 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 on the other hand N/R nozzle 52 in a row to shrinkable film 114, to reduce required generally rate of volume flow and therefore to reduce energy consumption.
Fig. 9 A to C illustrates the detailed view with the support 23 of converter plate 22.Fig. 9 A illustrates front elevation, and view from behind is shown Fig. 9 B and Fig. 9 C illustrates the lateral plan of the support 23 of the converter plate 22 that band pushes to some extent.The orifice plate 22 that pushes in the C of support 23 section bar, utilize in a plurality of positions 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 around 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 support 23 and the ventilation borehole wall 51, be furnished with the element (not shown) that seals, these elements prevent from the space occurring at 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 being made 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 thus the part for lever 45.So support 23 can be regulated by simply pressing.
Figure 11 exemplarily illustrates by the foundation of Fig. 3 shrinking tunnel 10 of the present invention and is used for processing shrink label 116.Shrink label 116 coatings are added on the article 112 of label, and especially coating is added on the bottle of label, and interior to these shrink labels supply warm braws 130 at shrinking tunnel 10.Nozzle row correspondingly be adjusted, thereby only make warm braw 130 point to targetedly article 112 in the zone 21 of following height, and namely 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 the present invention, and meanwhile can't leave the protection domain of following claim.
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 sunk serews
40 setting 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
*Large 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 for making film (114) thermal contraction around article (112), wherein, described shrinking tunnel (10) comprises at least one the transportation section for described article (112), at least one air trunk (50) and at least one are used for air-flow (130) is transported to mechanism (60) in the 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 by described nozzle (52) inside of described shrinking tunnel (10), wherein, the described ventilation borehole wall (51) comprises mechanism (22,23), described mechanism (22,23) be used for adjusting to relatively with the described ventilation borehole wall (51) amount of the described air-flow (130) that goes described shrinking tunnel (10) inside, it is characterized in that, by the described mechanism (22 for the amount of adjusting described air-flow (130), 23) also can adjust to relatively with the described ventilation borehole wall (51) flowing angle (β) of the described air-flow (130) that goes in described shrinking tunnel (10) inside.
2. by shrinking tunnel claimed in 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 can be 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) with moving.
4. by shrinking tunnel claimed in 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 shrinking tunnel claimed in claim 3 (10), wherein, described conversion nozzle plate is with the orifice plate (22) of opening (24) or blind plate (25).
6. by shrinking tunnel claimed in claim 3 (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 shrinking tunnel claimed in claim 3 (10), wherein, a row (53) described nozzle (52) can seal by blind plate (25).
8. by claim 1 or 2 described shrinking tunnels (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 claim 1 or 2 described shrinking tunnels (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 in direction and/or described flowing angle (β) situation.
10. by claim 1 or 2 described shrinking tunnels (10), wherein, the adjustment of passing through the described air-flow (130) that described nozzle (52) imports of first row (53) and the adjustment of pass through the described air-flow (130) that described nozzle (52) imports to second row (53 ') are had nothing to do.
11. by shrinking tunnel claimed in claim 3 (10), wherein, between described support (23) and the described ventilation borehole wall (51), be furnished with the element that seals.
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 CN102050243A (en) | 2011-05-11 |
CN102050243B true CN102050243B (en) | 2013-03-06 |
Family
ID=43432211
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 |
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EP (1) | EP2319769B1 (en) |
CN (1) | CN102050243B (en) |
DE (1) | DE102009044465A1 (en) |
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DE102011052353A1 (en) * | 2011-08-02 | 2013-02-07 | Krones Aktiengesellschaft | shrink tunnel |
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DE102012103398A1 (en) * | 2012-04-18 | 2013-10-24 | Krones Ag | Shrinking device for heat shrinking of film around article or article combination, has movable cover bar assigned to nozzle area of shaft wall with certain length, where length of cover bar corresponds to former length |
DE102012103402A1 (en) * | 2012-04-18 | 2013-10-24 | Krones Ag | Cover rail for shrinking device for hot shrinking of film around article e.g. beverage container, has vertically movable supporting structure that is provided with position units for arranging diaphragms tiles at supporting structure |
EP2653394B1 (en) | 2012-04-18 | 2015-03-04 | Krones Aktiengesellschaft | Shrinking device with cover bar |
FR2993247B1 (en) * | 2012-07-12 | 2014-07-04 | Sleever Int | THERMORETRACTION INSTALLATION COMPRISING MEANS OF HEAT DIFFUSION FORMING A UNITARY ASSEMBLY. |
FR2993246B1 (en) * | 2012-07-12 | 2014-07-04 | Sleever Int | THERMORETRACTION INSTALLATION HAVING A HEATING ENCLOSURE WITH A BASE AND A BELL |
US9162787B2 (en) | 2012-12-05 | 2015-10-20 | Tzu-Chin Hung | Tangential airstream heat shrinking device of plastic film |
DE102013101477A1 (en) * | 2013-02-14 | 2014-08-14 | Krones Aktiengesellschaft | SHRINKING DEVICE |
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- 2010-11-09 CN CN2010105436907A patent/CN102050243B/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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DE102009044465A1 (en) | 2011-05-12 |
EP2319769A1 (en) | 2011-05-11 |
EP2319769B1 (en) | 2013-05-29 |
CN102050243A (en) | 2011-05-11 |
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