EP0669176B1 - Verfahren und Vorrichtung zur Herstellung formbeständiger, kugelförmiger Körper - Google Patents

Verfahren und Vorrichtung zur Herstellung formbeständiger, kugelförmiger Körper Download PDF

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Publication number
EP0669176B1
EP0669176B1 EP95102357A EP95102357A EP0669176B1 EP 0669176 B1 EP0669176 B1 EP 0669176B1 EP 95102357 A EP95102357 A EP 95102357A EP 95102357 A EP95102357 A EP 95102357A EP 0669176 B1 EP0669176 B1 EP 0669176B1
Authority
EP
European Patent Office
Prior art keywords
film web
roller
web
stretching
film
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.)
Expired - Lifetime
Application number
EP95102357A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0669176A2 (de
EP0669176A3 (es
Inventor
Franz Stuhlbacher
Karl-Heinz Zöhrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AT38994A external-priority patent/AT402614B/de
Priority claimed from AT0239494A external-priority patent/AT403019B/de
Application filed by Individual filed Critical Individual
Priority to SI9530191T priority Critical patent/SI0669176T1/xx
Publication of EP0669176A2 publication Critical patent/EP0669176A2/de
Publication of EP0669176A3 publication Critical patent/EP0669176A3/xx
Application granted granted Critical
Publication of EP0669176B1 publication Critical patent/EP0669176B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/08—Making hollow objects characterised by the structure of the objects ball-shaped objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a Device for performing this method according to the preamble of claim 3.
  • EP 0 486 464 it is a device for forming dimensionally stable, bale-like Shaped body made of thin fiber material known. This is what is to be molded thin-fiber or stretched metal goods of a cutting and pressing device are bundled fed, the cutting device a guide and clamping device is connected upstream and back to each other in the feed direction of the bundled metal goods is slidably mounted.
  • the cutting device consists of a cross The direction of advance of the metal material is arranged in opposite directions.
  • the Cutting edges are formed by round holes through which the metal material passes and is cut off. The pressure is created and the form is formed Molded body.
  • Clamping elements are formed by hydraulically movable clamping stamps.
  • AT-PS 378 926 is a device for producing expanded material known, the film, which initially receives intermittent cuts, in pairs of rolls led, which are wrapped in toothed belts and at their edges in the engaging Teeth are clamped.
  • a casserole serves to cut the slit film into the Stretch width.
  • the casserole is an integral part of the stretching device arranged and also has an adapted at the point of contact with the stretch film Shape up.
  • NL-A-8 801 128 is a device for producing from a Take material web outgoing packing.
  • cutting rollers created a perforated material web, stretched in width, just pressed and then in a tapered opening to be clamped in Cut pieces and then into revolver-like cylinders by means of pistons to balls pressed.
  • the invention was based on the object Develop procedures and establish a facility for carrying out the procedure, which is a continuous production of expanded material without oscillating masses Machine part allowed.
  • the aim is achieved by a method with those specified in claim 1 Characteristics achieved. This ensures that the production of expanded material formed spherical or cylindrical bodies economically possible in large quantities and filled in gas or petrol tanks, prevent explosive burns.
  • This process for the production of molded articles in large numbers is carried out according to another Training advantageously applied when the film web in an extension or stretch Receives transverse direction to three times the width and a two, preferably three layers Form folded or a similar tubular shape is bent, the capped, multilayer formed parts as cylindrical pieces have a length that is twice as long is larger than their diameter.
  • the roll consists of at least two roll halves, preferably four Roll halves each with a decreasing diameter from the rolling medium and is rotatable and axially displaceable independently of one another on a shaft and which Roll or roll halves on the tread facing the sheet approximately an axial has directed profiling and / or contains a coating which promotes sliding, wherein the roller halves are designed as hollow shells or wire bodies, while a Hollow shell a connecting element e.g. Ring or webs, which contains a constriction in the Permits the middle part of the film web.
  • a connecting element e.g. Ring or webs
  • the rotating drum has a recess from which the Can be guided radially to the outside in an annular space formed with the housing, the annulus by a helically arranged on the outer surface of the drum Einrollsteg is reduced, which by a chicane, e.g. Pressure cloth or the like narrowing means, cylindrical rolled pieces of cap through rough surface of the Ring wall spherical, or at least to spherical square cylinders be rolled.
  • a chicane e.g. Pressure cloth or the like narrowing means, cylindrical rolled pieces of cap through rough surface of the Ring wall spherical, or at least to spherical square cylinders be rolled.
  • the device with which the method can be used enables a gradual production with a uniform path speed of the spherical bodies mentioned.
  • the simple structure of the roller body and their cutting knife the allows accurate slots for stretching.
  • the special design of the stretching device allows a good stretch of the film tape and at the same time compensates by clamping the edges change the length of the film web so that bundling is achieved.
  • the drum is cut without interruption and rolled into spherical bodies. Further details, such as the formation of the rollers in the stretching device, result in uniform stretch material over the entire width, which is the starting material for the Shaped body is necessary.
  • FIG. 1 the process for the production of dimensionally stable spherical bodies schematically by the device for performing the method shown.
  • the film web 1 is guided in the running direction 10 to the cutting device 2.
  • This consists of superimposed cutting blades 3 with washers 4 and the underlying cutting blades 5, which form a roller, were made of several exist and are placed on a shaft. Furthermore, is still in the area of the lower Cutting knife 5 attached to the same shaft of the drive motor 6. The cutting knife 5 are thus driven and the upper are also by friction Cutting knife 3 moves.
  • a clamping device 7 is provided at the end of the cutting device 2. This consists of deflection rollers 8, such that the film web 1 is pulled down. By a tension spring 9 is given the necessary bias to the film web 1.
  • the stretching device 11 then adjoins that on both sides of the film web 1 approximately in the middle the pulleys 14a holds them.
  • On the upper deflection rollers 14a is on both sides Timing belt 12 looped.
  • the lower deflection rollers 14b are in the same place arranged like the upper deflection rollers 14a, but on the underside of the film web 1.
  • further deflection rollers 14c are provided, which serve the Place drive motor 15a between the lower deflection rollers 14c.
  • the timing belt 12 and 13 have radially outward teeth. After the motor 15a between is the lowest deflection rollers 14c, the motor 15a or its drive pinion 15 in because timing belts 13 engage because the wrap angle is large enough.
  • the upper Toothed belt 12 now meshes with the lower toothed belt 13 and in between Edges of the film web 1.
  • the motor 15a thus drives the lower toothed belt 13, the upper toothed belt 12 and the edges of the film web 1 clamped between them.
  • the film web 1 After the film web 1 has already been perforated in the cutting device 2, it arrives the film web 1 while maintaining the edge fastening as a stretch spring 16 as Casserole or similar stretching element, so that the film web 1 on preferably three times the width is stretched to the film web 1a.
  • the one stretched so C-shaped Film web 1a leaves the stretching device 11.
  • the rolling device 17 consists of a housing 25 which has an opening 18.
  • the stretched film web 1a arrives at the nozzle 19.
  • This causes the roll-up, e.g. e.g. into a three-layer bundle.
  • a needle roller 20 with drive ensures the transport of the now bundled film web 1b and directs it to a drum 23 an upper knife 21 attached to the rotating drum 23, the lower knife 22 is attached.
  • On the outside of the drum 23 is a helical circumference protruding curling web 30 is provided, in which the cylindrical caps 31 to spherical bodies 31a are formed. The material enters via the ejection 26 the collecting container 35.
  • the upper cutting knife 3 is designed as a smooth disc and in The washers 4 are smaller in alternating order on a diameter Shaft 29 attached.
  • the lower cutting knife 5 is in the same way with the Provide intermediate washers 4 of the same thickness, the two cutting knives 3, 5 overlapping, i.e. form a pair of knives, are offset.
  • the lower cutting knife 5 now has evenly distributed on the circumference of the cutting edge, an equal number of on both sides Recesses 27, 28.
  • FIG 3 shows the top view of the cutting device 2, in particular of the Cutting knife 5.
  • the recesses 27, 28 can be seen offset on both sides.
  • the The number of cutting knives 5 and the intermediate disks 4 corresponds at least to the width the film web 1.
  • the cutting knives 5 are mounted on the shaft 29. The same also applies to the cutting knife 3.
  • FIG. 4 illustrates the stretching device 11.
  • Upper deflection rollers 14a and lower ones Deflection rollers 14b are wrapped in toothed belts 12 and 13. Here are the Teeth 12a, 13a directed outwards.
  • the lower toothed belt 13 is approximately longer, so that still further deflection rollers 14c can be accommodated.
  • a drive pinion 15 with a motor 15a is also arranged.
  • a casserole 16 e.g. as a spring clip or the like., Arranged and points with his curved end up.
  • the vertical center distances of the deflection rollers 14a, 14b are designed so that the timing belts 12, 13 are constantly engaged and the edges of the Hold film web 1. If the motor 15a is now put into operation, it moves Film web 1 over the stretching device 16 and thus extends the film web 1 a about three times the width
  • the track width of the Deflection rollers 14a, 14b is dimensioned so that the film web 1 with the edges only is jammed.
  • the casserole body 16 is designed here as a spring clip.
  • 6 a and 6 b shows a section of the toothed belt 12, 13 with the intermediate film web 1. It is essential that the side flanks of the teeth take an angle of 60 * to ensure that the film web 1 is firmly clamped in place.
  • Fig. 7 shows in section the stretched film web 1a, which is now approximately C-shaped has reached three times the width of the previous film web 1.
  • the curling device 17 is shown.
  • On the housing 25 is in the upper area an opening 18 and behind it is the nozzle 19.
  • the film web 1a becomes approximately rolled up in three layers to the film web 1b.
  • a needle roller 20 With the help of a needle roller 20 with drive the advance of the film web 1b and is deflected downwards by 90 *.
  • a drum 23 which rotates by a motor 24 is relocatable.
  • An upper knife 21 is arranged fixed to the housing, while the lower knife 22 is fixed to the rotating drum 23.
  • On the outside of the drum 23 is a fixed helical upward web 30.
  • This roll bar 30 forms with the housing 25 an annular space 32 in which the cap pieces 31 are received and be rolled in a cylindrical shape.
  • the ends of the cut pieces at Roll-in process additionally compressed.
  • Annulus 32 is gradually narrowing formed so that the cap pieces 31 assume an approximately spherical shape and on Ejection 26 are discharged.
  • FIG. 9 shows the rolling device 17 in a top view Foil web 1a introduced via the nozzle 19 as foil web 1b, with the needle roller 20 deflected downwards and fed to the cutting knives 21, 22. With the help of Pressing cloth 33 or a chicane or the like. Constricting means that from the drum 23rd protrudes into the annular space 32, the cap pieces 31 are rolled up. The discharge takes place by ejection 26.
  • FIG. 10 shows an enlarged section of the drum 23, in particular the position of the housing-fixed upper knife 21 and the arrangement of the rotating with the drum 23 Lower knife 22. These are overlapping at the ends and at an acute angle ⁇ arranged to achieve a shear effect.
  • Recess 34 provided which conveys the cap pieces 31 into the annular space 32 and with the help of a movable baffle, e.g. a pressure cloth 33 or the like. this forces a rolling movement.
  • the cap pieces 31 emerging from the drum 23 lie against the inner surface of the housing 25, i.e. favored by the rough Surface of the wall of the annular space 32 and are from the chicane at the top recorded and wound up.
  • the ends of the cap pieces 31 are twisted, i.e.
  • FIG. 11 A further development of the stretching device is shown in FIG. 11 in a side view.
  • the role 36 is rotatably mounted on the shaft 40 in a bearing fork 37.
  • the other end is on a bearing block 39 supports the bearing fork 37 and allows it in a certain range according to arrow 38 a pivoting about the pivot point of the bracket 39.
  • each a pair of deflection rollers 43, 44 arranged before or after the roller 36, with the upper pulleys 43 a toothed belt 12 is looped.
  • the same is also a Toothed belt 13 wrapped around the lower pulleys 44.
  • the two timing belts 12, 13 each have outwardly directed teeth 12a 13a and are permanent Intermeshing between the axes 41, 42 of the deflection rollers 43, 44.
  • the center distances the axes 41, 42 in the vertical direction are selected so that the film web 1a to the Edges are clamped.
  • the lower toothed belt 13 is driven to the right by a drive set in motion, the upper toothed belt 12 is moved.
  • the film web 1 is transported according to arrow 10. If the film web 1 is now moved forward and first between the deflection rollers 43, 44 clamped by means of the toothed belt 12, 13, it must be guided over an obstacle, that results from the roll 36. As a result, the film web 1 is stretched in width and brought out of the stretching device 11.
  • the timing belts 12, 13 consist of Tissue embedded plastic or rubber. However, if a film web 1 is e.g.
  • toothed chains instead of toothed belts be, which also have a clamping device on each chain link. Because such Chains are commodities, a precise description is not required. It is essential that the loose roller 36 according to arrow 36a synchronously with the film web 1 by friction is rotated without relative movements. However, the frictional engagement should act as a drive insufficient, a synchronously running drive can also be used.
  • FIG. 12 shows the cross section of the stretching device shown in FIG. 11.
  • the role 36 is pivotally mounted on a shaft 40 of the bearing fork 37 according to arrow 38.
  • the deflection rollers 43, 44 which are rotatable about their axes 41, 42, are arranged on the side thereof are attached.
  • the toothed belts 12, 13 run around the deflection rollers 43, 44 the film web 1 is clamped at its edges. It can be seen that the Foil web 1 is guided over the roller 36 and thereby experiences the lateral extension.
  • Fig. 13 shows a development of the roller 36 as a split roller 45, which ensures that the film web 1a is stretched uniformly over the entire width.
  • the roller 36 consists of roller halves 46, 47, which also axially are displaceable on the shaft 40. So you can meter the stretch exactly what is important for the quality of the product.
  • Another advantage is the side of the Roll halves 46, 47 to arrange further smaller roll halves 48, 49 in order to lateral area to the clamping point to achieve a support and exact extension.
  • These roller halves 46, 47 and 48, 49 are also axially displaceable on the shaft 40.
  • the Roll 36, or the roll halves 46, 47 and 48, 49 have on the film web 1a facing tread a profile 50 and / or a gliding favor Coating on this ensures that the film web 1a is uniform Stretching results
  • FIG. 14 contains a loose roller 55, which is formed from hollow shell 51, 52 or wire body.
  • a Connecting element 53 is provided, which consists of a ring or a plurality of webs is and is welded to this, while the connecting element 53 as a guide in the Hollow shell 51 is axially displaceable. So you can influence the extension of the Take film web 1a and constrict 54. This is important because so that a favorable starting position is achieved for the folding of the film web 1a.
  • This design of the stretching device ensures that the Film web 1 a uniform stretch is achieved, which is crucial for the further Processing into square cylinders or spheres for filling gas or Fuel tank systems or boilers is. A continuous production of the molded body without oscillating masses Machine parts are easily possible in large quantities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)
EP95102357A 1994-02-25 1995-02-20 Verfahren und Vorrichtung zur Herstellung formbeständiger, kugelförmiger Körper Expired - Lifetime EP0669176B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530191T SI0669176T1 (en) 1994-02-25 1995-02-20 Process and apparatus for manufacturing of resilient, ball shaped articles

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT38994A AT402614B (de) 1994-02-25 1994-02-25 Verfahren zur herstellung formbeständiger, verfahren zur herstellung formbeständiger, kugelförmiger körper und einrichtung zur kugelförmiger körper und einrichtung zur durchführung des verfahrens durchführung des verfahrens
AT389/94 1994-02-25
AT2394/94 1994-12-23
AT0239494A AT403019B (de) 1994-12-23 1994-12-23 Einrichtung zur herstellung von streckmaterial

Publications (3)

Publication Number Publication Date
EP0669176A2 EP0669176A2 (de) 1995-08-30
EP0669176A3 EP0669176A3 (es) 1995-10-04
EP0669176B1 true EP0669176B1 (de) 1998-11-11

Family

ID=25592548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102357A Expired - Lifetime EP0669176B1 (de) 1994-02-25 1995-02-20 Verfahren und Vorrichtung zur Herstellung formbeständiger, kugelförmiger Körper

Country Status (6)

Country Link
EP (1) EP0669176B1 (es)
KR (1) KR100351771B1 (es)
AU (1) AU1236895A (es)
DE (1) DE59504176D1 (es)
ES (1) ES2126799T3 (es)
GR (1) GR3029303T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411653B (de) * 2000-10-11 2004-04-26 Efkon Ag Einrichtung zur herstellung von ebenflächigem streckmaterial

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410186B (de) * 2000-02-25 2003-02-25 Koegler Andreas Einrichtung zum formen sphärischer gegenstände
AT501577B1 (de) 2004-04-09 2007-05-15 Franz Ing Stuhlbacher Verfahren zum befüllen eines behältnisses mit einem gas
CN104490593B (zh) * 2014-12-26 2016-05-25 四川工程职业技术学院 一种艾柱卷制成型机
CN104554852B (zh) * 2014-12-31 2017-02-08 山东莱茵科技设备有限公司 全自动艾绒包装机
KR102660201B1 (ko) 2021-11-26 2024-04-23 선문대학교 산학협력단 유아용 살균 칫솔

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963772A (en) * 1958-07-23 1960-12-13 Ind Tectonics Inc Method of making balls
AT378926B (de) * 1984-02-21 1985-10-25 Hannes Schrenk Vorrichtung zur herstellung von streckmetall
NL8801128A (nl) * 1988-04-29 1989-11-16 Manfred Furch Inrichting voor het vervaardigen van vullichamen, die kunnen worden aangebracht in een brandstofreservoir, zoals dat van een voertuig.
DE3816792A1 (de) * 1988-05-17 1989-11-23 Spaeth Michael Max Verfahren und vorrichtung zum herstellen von fuellkoerpern aus streckmaterial
EP0602580A1 (en) * 1992-12-14 1994-06-22 Tokuji Watanabe Method and apparatus for manufacturing paper cushioning members

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411653B (de) * 2000-10-11 2004-04-26 Efkon Ag Einrichtung zur herstellung von ebenflächigem streckmaterial

Also Published As

Publication number Publication date
DE59504176D1 (de) 1998-12-17
EP0669176A2 (de) 1995-08-30
EP0669176A3 (es) 1995-10-04
GR3029303T3 (en) 1999-05-28
KR100351771B1 (ko) 2003-08-09
AU1236895A (en) 1995-11-09
KR950031807A (ko) 1995-12-20
ES2126799T3 (es) 1999-04-01

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