WO1996011844A1 - Vakuum-verpackungsmaschine - Google Patents
Vakuum-verpackungsmaschine Download PDFInfo
- Publication number
- WO1996011844A1 WO1996011844A1 PCT/CH1995/000236 CH9500236W WO9611844A1 WO 1996011844 A1 WO1996011844 A1 WO 1996011844A1 CH 9500236 W CH9500236 W CH 9500236W WO 9611844 A1 WO9611844 A1 WO 9611844A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chamber
- housing
- roller conveyor
- packaging machine
- goods
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
- B65B31/024—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for wrappers or bags
Definitions
- the present invention relates to a vacuum packaging machine with a chamber in which goods can be sealed airtight in bags, with a planar support device for receiving the goods to be packaged, this device being located in the chamber, practically parallel runs to the bottom of this chamber and the height of this device is adjustable relative to the chamber floor, and with a roller conveyor which is attached to the outside of the machine frame in the outlet area of the vacuum chamber.
- a packaging machine of this type is already known.
- the vacuum chamber of this previously known machine has a lower part and a cover.
- One of the side edges of the lower chamber part is assigned a roller conveyor, the main plane of which is directed obliquely downwards away from the chamber.
- the vacuum-packed goods can reach a means of transport, for example a car.
- a support device is arranged, which has lying and freely rotatable rollers lying in a horizontal plane. The goods are placed on this support device for locking.
- the altitude of this previously known The position is adjustable, depending on the height of the goods.
- the lid is first opened.
- the support device is then extended out of the lower part of the chamber and at the same time inclined so that the surface of that side or edge part of this device which faces the roller conveyor is slightly higher than the surface of the beginning of this roller conveyor .
- the opposite edge portion of the support device is, however, brought to an even higher level so that the goods which rest on the rollers of the support device can reach or slide along this device to the mentioned roller conveyor.
- the object of the present invention is to overcome this deficiency of the known packaging machine as well as further deficiencies of the to fix the same.
- FIG. 1 in a front view and schematically the present vacuum packaging machine with a support device
- FIG. 2 in a vertical section II the machine from FIG. 1 when the support device is in its extended position
- Fig. 3 in a side view of the device itself.
- the vacuum packaging machine is shown schematically in FIG. 1 in a front view, those components of this packaging machine which are known per se being omitted.
- a vacuum chamber 2 is arranged in the upper region of the housing 1 of the packaging machine.
- This chamber 2 has a lower part 3 and a cover 4.
- the cover 4 can be moved relative to the chamber lower part 3, the opening movement of this cover 4 with the advantage being an obliquely backward-directed combined lifting and swiveling movement, so that the inside of the chamber lower part 3 is as easily accessible as possible from above is.
- the machine is provided with a roller conveyor 5, which is attached in the outlet area of the vacuum chamber 2 on the outside of the machine stand. Via this roller conveyor 5, the packaged goods arrive, for example, in a transport trolley or the like.
- the present machine also includes a flat support device 10 on which the goods to be packaged can be placed.
- This device 10 is accommodated in the chamber 2 and runs practically parallel to the bottom 6 of the lower part 3 of the vacuum chamber 2.
- the chamber 2 is shown open.
- the bearing device 10 can be adjusted while maintaining its position parallel to the chamber floor 6 relative to this chamber floor 6 such that one of the end parts of this device 10 is assigned to the roller conveyor 5.
- the position on device 10 is shown once in its lower position, retracted in the chamber lower part 3, and once in its upper, fully defined position. In this extended position, the goods can reach roller conveyor 5.
- the height of the position on device 10 is also infinitely adjustable with respect to the chamber bottom 6.
- On position device 10 has a flat housing 11 (FIGS. 2 and 3) which comprises a bottom wall 12, a top wall 13 and longer side walls 14 and 15. These sidewalls 14 and 15 run practically parallel to the front wall of the machine. Between the opposite end regions of the longer side walls 14 and 15, 11 deflection rollers 16 and 17 extend in this housing, the ends of which are rotatably mounted in the adjacent end parts of the longer housing sides 14 and 15. In these end parts of the side walls 14 and 15 there are longitudinal slots 18 and 19 within which the shafts of the rollers 16 and 17 can be adjusted in a manner known per se. This allows the position of the rollers 16 and 17 to be adjusted as required.
- a conveyor belt 20 is guided over the rollers 16 and 17 and has an upper run 21 and a lower run 22. Most of the housing 11 lies between these runs 21 and 22.
- the upper region or the tip of the rollers 16 and 17 is somewhat higher than the top wall 13 of the device housing 11, so that the upper run 21 of the conveyor belt 20 extends over the top wall 13.
- the goods are placed on this upper run 21.
- the lower region of the rollers 16 and 17 is somewhat higher than the bottom wall 12 of the device housing 11, the housing 11 having no transverse wall in this region. Consequently, the lower run 22 of the conveyor belt 20 can run through the bottom wall 12 and thus also through the housing 11.
- the conveyor belt 20 extends practically over the entire width and over the entire length of the bottom 6 of the vacuum chamber So that the conveyor belt 20 can be easily cleaned if necessary, the housing 11 of the bearing device 10 has a section 23 which can be folded down and which is pivotably mounted via pins 24 in the side walls 14 and 15 of the housing 11.
- the second roller 17 is mounted on the front side of this foldable housing section 23.
- the bearing device 10 rests on an adjusting device 25, which can move the device 10 towards the roller conveyor 5 and back.
- This adjustment device 25 comprises a lifting device 30 for the support device and a drive device.
- the lifting device 30 has a first pair 31 and a second pair 32 of arms which are located in the vacuum chamber 2 and which are assigned to the longer side walls 35 and 36 of this chamber 2.
- first pair 31 which includes the arms 311 and 312.
- the length of the arms 311 and 312 is practically the same size.
- the respective arm 311 or 312 thus lies in a gap which is present between the respective side wall 14 or 15 of the housing 11 of the support device 10 and the side wall 35 or 36 of the vacuum chamber 2.
- the base body 33 of the respective arm 311 and 312 is connected at one end to a shaft 34 which passes through the side walls 35 and 36 of the vacuum chamber 2 in an airtight manner to the outside.
- the distance between the arms 311 and 312 of the respective pair of arms is somewhat larger than the width of the housing 11 of the support device 10, so that the end parts of these arms 311 and 312 facing away from the shaft 34 are adjacent to the side walls 14 and 15 of the housing 11 can move freely.
- a slide roller 37 is attached, on the side of the arm 111 and 312 facing the housing 11.
- the slide roller 37 projects from the arm 31 and 32 at right angles.
- the edge part of the bottom wall 12 of the housing 11, which is close to the side wall 14 or 15, rests on the respective sliding roller 37.
- the underside of that end or edge part of the housing 11 which faces away from the roller conveyor 5 is each provided with a fork-shaped seat 29 in the region of the side walls 14 and 15 of the housing 11. Between the tines of the respective seat 29, the slide roller 37 of the respective arm 311 or 312 of the arm pair 32 lying away from the roller conveyor 5 snaps. If this arm pair 32 carries out a pivoting movement, then it takes on the device 10 due to the engagement between the fork-shaped seats 29 and the sliding rollers seated therein 37 with. In contrast, the underside of the bottom 12 of the housing 11 in the end region of the housing 11 facing the roller conveyor 5 is flat, so that the sliding rollers 37 of this first pair 31 of arms 311 and 312 can roll or slide freely on the underside of the bottom 12.
- a synchronous movement of the arms 311 and 312 of the two pairs of arms 31 and 32 is ensured by the continuous shafts 40 and 41 and by means of the mentioned wheels.
- the front wheel 43 of that pair of arms 31, which is closer to the roller conveyor 5, is provided with a one-armed lever 45, which is attached at one end to this wheel 43.
- this wheel 43 is also referred to below as lever wheel 43.
- a connecting rod 46 is connected to one end of the lever 45 at the other end. This rod 46 connects the first lever 45 to a second lever 47, to which the other end of the rod 46 is articulated. The other end of this second lever 47 is, similar to the first lever 45, fastened to a wheel 48.
- This second lever wheel 48 has the same dimensions as the first lever wheel 45 and is in engagement with a drive wheel 49 which is stuck on the second continuous shaft 41.
- This drive wheel 49 also has the same dimensions as the first lever wheel 43.
- At the other end of this second continuous shaft 41 as can be seen from the foregoing, there is a second wheel 44 for driving the rear arm 312.
- the drive device 50 of the adjusting device 25 comprises a lifting cylinder 51, the housing 52 of which is fastened in the frame of the machine.
- the lifting rod 53 of this lifting cylinder 51 is over a Uebert ragungsa r 54 connected to the second continuous shaft 41.
- This end part of the bearing 54 has a bore through which the second shaft 41 passes. This arm thus sits loosely on the shaft 41.
- the drive wheel 49 has a projecting pin 55 in its circumferential area.
- the pair of arms 31 closer to the roller conveyor 5 is also moved upward, but clockwise. However, this does not interfere with the above-mentioned displacement of the position device 10 against the roller conveyor 5.
- white the slide rollers 37 on the arms 311 and 312 of this pair of arms can slide freely on the underside of the bottom 12 of the housing 11.
- the dimensions of the arms, wheels and levers are chosen so that the bearing device 10 is in contact with the roller conveyor 5 after the lifting rod 53 has reached its lower end point.
- the arms 311 and 312 are practically vertical and the upper run 21 of the conveyor belt 20 is higher than the roller 56 of the roller conveyor 5 closest to the machine stand.
- a motor 60 is arranged, which is connected via a belt 61 to the front roller 16 of the support device 10.
- this belt advantageously a toothed belt, lies and can therefore have no influence on the shape of the conveyor belt 20.
- the motor 60 In order to empty the support device 10, the motor 60 is put into operation and the upper run 21 of the conveyor belt 20 moves against the roller conveyor 5. In this way, the vacuum-packed goods are discharged from the chamber 2.
- the speed of this discharge can be determined by the speed of the motor 60, so that no goods or their packaging can be damaged during the discharge. This under Another reason is that the pieces of goods only move in a horizontal plane up to the roller conveyor 5 and therefore cannot roll freely.
- a coil spring 57 is attached to an extension of the arm shaft 34 that this spring 57 pushes the arms 311 and 312 away from the roller conveyor 5.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95933288A EP0730548A1 (de) | 1994-10-14 | 1995-10-13 | Vakuum-verpackungsmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3101/94-1 | 1994-10-14 | ||
CH310194 | 1994-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996011844A1 true WO1996011844A1 (de) | 1996-04-25 |
Family
ID=4248646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1995/000236 WO1996011844A1 (de) | 1994-10-14 | 1995-10-13 | Vakuum-verpackungsmaschine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0730548A1 (de) |
WO (1) | WO1996011844A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7055297B1 (en) | 1998-10-28 | 2006-06-06 | Cryovac, Inc. | Vacuum packaging machine |
US7228674B2 (en) | 1999-10-27 | 2007-06-12 | Cryovac, Inc. | Vacuum packaging machine |
US7296390B2 (en) | 2002-02-27 | 2007-11-20 | Sealed Air New Zealand | Vacuum packaging machine having a plurality of vacuum chambers for performing a vacuum sealing operation on product packages |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059389A (en) * | 1957-12-03 | 1962-10-23 | Ralph S Randall | Vacuum bag sealing machine |
DE2122648A1 (de) * | 1971-05-07 | 1972-11-16 | Niedecker, Herbert, Dipl.-Ing., 6243 Falkenstein | Vorrichtung zum Evakuieren und Verschließen von Füllgut enthaltenden Beuteln aus Kunststoff in einer Vakuumkammer |
FR2176728A1 (de) * | 1972-03-23 | 1973-11-02 | Hamba Maschinenfabrik H A Mull | |
GB1603066A (en) * | 1978-05-30 | 1981-11-18 | Inauen Masch Ag | Vacuum packing machine |
-
1995
- 1995-10-13 WO PCT/CH1995/000236 patent/WO1996011844A1/de not_active Application Discontinuation
- 1995-10-13 EP EP95933288A patent/EP0730548A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059389A (en) * | 1957-12-03 | 1962-10-23 | Ralph S Randall | Vacuum bag sealing machine |
DE2122648A1 (de) * | 1971-05-07 | 1972-11-16 | Niedecker, Herbert, Dipl.-Ing., 6243 Falkenstein | Vorrichtung zum Evakuieren und Verschließen von Füllgut enthaltenden Beuteln aus Kunststoff in einer Vakuumkammer |
FR2176728A1 (de) * | 1972-03-23 | 1973-11-02 | Hamba Maschinenfabrik H A Mull | |
GB1603066A (en) * | 1978-05-30 | 1981-11-18 | Inauen Masch Ag | Vacuum packing machine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7055297B1 (en) | 1998-10-28 | 2006-06-06 | Cryovac, Inc. | Vacuum packaging machine |
US7228674B2 (en) | 1999-10-27 | 2007-06-12 | Cryovac, Inc. | Vacuum packaging machine |
US7296390B2 (en) | 2002-02-27 | 2007-11-20 | Sealed Air New Zealand | Vacuum packaging machine having a plurality of vacuum chambers for performing a vacuum sealing operation on product packages |
Also Published As
Publication number | Publication date |
---|---|
EP0730548A1 (de) | 1996-09-11 |
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