EP2978672A1

EP2978672A1 - Packaging device and packaging method

Info

Publication number: EP2978672A1
Application number: EP14718008.7A
Authority: EP
Inventors: Norbert Sauerwein; Jan Schneider
Original assignee: Autefa Solutions Germany GmbH
Current assignee: Autefa Solutions Germany GmbH
Priority date: 2013-03-26
Filing date: 2014-03-26
Publication date: 2016-02-03
Anticipated expiration: 2034-03-26
Also published as: CN107839925A; CN107839925B; CN105050900A; DE202013101316U1; EP3326924A1; CN105050900B; US20180057197A1; EP2978672B1; EP3326924B1; WO2014154736A1

Abstract

The invention relates to a packaging device (2) and a packaging method for highly compressed bales (3) on a baling press (1). The packaging device (2) has a supply device (9) for a web-shaped packaging material (8) and a wrapping device (10) for attaching an annularly surrounding wrapping web (7) on the free side surfaces (32) of the compressed bale (3) which is held between compression rams (31). The wrapping device (10) is arranged with a transport means (20) movably relative to the compressed bale (3), wherein the supply device (9) is arranged in a spatially and kinematically separate manner from the wrapping device (10), in particular in a stationary manner.

Description

DESCRIPTION

Packaging device and packaging process

The invention relates to a packaging device and a packaging method for a baler with the

Features in the preamble of the process and

Device main claim.

A packaging device for highly compressed

Press bales on a baler are known from EP 0 294 820 B1. The packaging device has a

Supply device for a film web and a

Wrapping device for attaching a surrounding

Foil coat on the held between press punches pressed bales on a spatial and kinematic

Form unity and are arranged together on a means of transport. The packaging device tightens a film curtain and places it as a belly band around the press bale.

EP 0 528 892 B1 shows a variant of such a packaging device with another structural design of the supply device and the

Wrapping device.

It is an object of the present invention to show a better packaging technique.

The invention solves this problem with the features in the method and device main claim.

The claimed packaging technology, in particular the packaging device and the packaging method, have the advantage of increased performance and improved safety. Due to the spatial separation, the

Supply device with distance to the press bales or to the baler and thus outside one

Security area to be arranged on the baler. This allows a change or replenishment

Packaging material, in particular coils or coils, without disturbing or stopping the baler

Security reasons. The supply device can be arranged stationary, which facilitates the accessibility, the handling and the change of the packaging material, in particular coils. The stocking capacity can be significantly increased. There is enough space for spare coils. The diameter and weight of the coils and spare coils can be much larger than at the beginning of the

Be technology. In addition, a connection of the web ends when changing coils much easier and faster

take place.

Further advantages are in the place and

Weight saving on the means of transport, which only has to transport the wrapping device. This can also lead to improvements in the acceleration and the driving speed of the means of transport, which also has a performance-enhancing effect. Also advantageous are improved accommodation options for one or more auxiliary devices on the means of transport, e.g. a strapping device.

The claimed packaging technology is particularly suitable for high-performance baling presses. This can be a

Baler also in a pre-press and

Main press area be subdivided. The claimed packaging technique may also be used for attachment

additional packaging material, such as a Dehnhaube be supplemented. In addition, there is the possibility on the Press bales to attach an upper and / or lower cover sheet, which can be done during the pressing.

In the subclaims further advantageous embodiments of the invention are given.

The invention is illustrated by way of example and schematically in the drawings. In detail show:

Figure 1: a side view of a baler with a

Packaging device with a

Supply device and a

wrapping apparatus,

Figure 2: a perspective view of

Feeding device of a wrapping device,

FIG. 3 shows a front view of a wrapping device with two feed devices arranged on both sides of the press bale according to the viewing direction III of FIG. 2,

Figure 4: a side view of a feeding device according to

Arrow IV of Figure 3, Figure 5: a section through a feeding device according to

Section line V-V of Figure 4,

Figure 6: a perspective view of a

Supply device,

FIG. 7 shows a side view of the supply device of FIG. 6,

8 shows a front view of the supply device according to arrow VIII of FIG. 7, FIG.

9 shows a section through the supply device according to section line IX-IX of Figure 8 and Figure 10 is a perspective view of

Packaging device of Figure 1 to 9 and a part of the baler. The invention relates to a packaging device (2) and a packaging method for highly compressed pressed bales (3) on a baling press (1). The invention further relates to a packaging device (2)

equipped baler.

The pressed bales (3) are made of textile fibers, in particular natural fibers or synthetic fibers, and then packaged with the packaging device (2).

Figure 1 shows in side view a baler (1), e.g. is designed as a vertical press and having a filling and possibly pre-pressing and a finished or main pressing area. It can be a carousel press shown in FIG. 1, which has the filling and pre-pressing area on the left and the finished pressing area on the right.

Figure 10 also shows the carousel press (1) in a broken view with the turntable, the lower press punches (31) and a pressed bale (3) in a perspective view with a view from the other side.

The baler (1) has a high press capacity. It can e.g. according to WO 2012/101250 AI be formed and two parallel feed chutes for the filling of one or more press boxes (4). By doing

Press box (4), the press bales (3) between the upper and lower press dies (31) are compressed at high pressure. The baler (1) is one

Packaging device assigned (2), with the

Pressed and held between the press rams (31) pressed bales (3) after removal of the press box (4) is packed. The pressed bales (3) receives by the

Packaging means a bale wrapper (5) which covers several or all sides of the press bale (3) and at least partially made of a web-shaped

Packaging material (8) consists. The bale wrap (5) is at least one of the lateral ball surfaces

(32) laid ring-like jacket sheet (7)

Packaging material (8) formed, which is also referred to as a belly bandage. It wraps and covers the lateral ball surfaces (32), which are exposed between the press punches and are accessible. In addition, a cover sheet

(6) at the top and / or bottom of the press bale

(3) be attached. The attachment of such coversheets (6) may e.g. according to EP 0 528 893 Bl with the introduction of a foil blank on the press ram (31) before the pressing of the bale and subsequent folding and applying the cover foil (6) to the side surfaces of the press bale (3). On one or more cover sheets (6) can be dispensed with alternatively.

The packaging device (2) has a

Supply device (9) for the web-shaped

Packaging material (8) and a wrapping device (10) for attaching the ring-like jacket web (7) to the pressed bale (3) held between the press die (31). The web-shaped packaging material (8) is preferably as a biegelastische film web of a

Art fabric material, e.g. made of polyethylene or polypropylene. Alternatively, are web-like

Packaging materials of other materials, e.g. also metallic materials or composites possible. in the embodiments explained below, film webs and jacket films (7) are present and

described. You can also apply to others accordingly web-shaped packaging materials (8), material webs, web curtains and jacket webs (7) are adapted.

The wrapping device (10) is relative to the pressed bale with a transport means (20) indicated in FIG

(3) and the stationary baler (1) movable

arranged. The supply device (9) is spatially and kinematically separated from the wrapping device (10). Preferably, the supply device (9) is arranged stationary.

The supply device (9) has at least one receptacle (12) for a web supply (11) of

Packaging material (8). This web supply (11) is formed in the illustrated embodiments as a winding or coil, wherein the receptacle (12) as a rotatable

Coilaufnähme is designed to unwind the coil. The supply device (9) has in the shown

Embodiments two coil receptacles (12) for a coil located in the operating position (11) and for a spare coil (11) in Bereitschaffsstellung on. The

Receivers (12) are arranged on a frame (14) on which also controllable and driven conveying means (16), e.g. Drum rollers, for the Coilabzug and transport of the packaging material (8) are arranged. In the area of the receptacles (12) can also be arranged a device for connecting the web ends during the coil change.

The receptacle (s) (12) is / are arranged at a spatial distance from the pressed bale (3) and optionally to the baler (1) and preferably in a stationary manner. For the supply of the packaging material (8) from the receptacle (12) to

Wrapping device (10) is a web guide (13)

intended. This bridges the distance to the held pressed bales (3) and has a raised and above the held bale press (3) and the

A wrapping device (10) arranged guide arm (15) for the packaging material (8). On the guide arm (15) supporting and guiding means (33), eg freely rotatable rollers, and possibly conveying means (16) may be arranged. The web guide (13), in particular the guide arm (15), on the one hand part of the frame (14) or is arranged on this and on the other hand has at the front free end a connection for attachment to a

Support part of the baler (1), in particular on a press stand (17) on. At the free end also pulleys (33) for the packaging material (8) may be present. From the stationary free end, the film web (8) is an inlet (29) of the movable

Enclosed device (10) supplied. The coils (11) are horizontal, in particular horizontal, arranged, wherein also the withdrawn packaging material (8) on the preferably horizontally oriented

Guide arm (15) assumes a lying position. In this position, it is fed to the wrapping device (10). The elevated arrangement of the guide arm (15) and the packaging material (8) in this area leaves on the baler (1) a lateral access to the held pressed bale (3) free. This access can be used on the one hand for manual handling or for other manual work on the pressed bale (3). On the other hand, a removal device (not shown) or other automatic equipment for bale handling can also be arranged here. The transport (20) can also be moved from this access area in a rest position and give access free.

The wrapping device (10) has a variable

Railway memory (23) for the supplied packaging material

(8). As a result, the driving movement of the

Transport means (20) and the supply of the

Packaging material (8) from the supply device

(9) are compared against each other, so a low-load, safe transport of the

Packaging material (8) is possible. this applies

In particular, if, as in the illustrated embodiment of Figure 1, the direction of travel of the transport means (20) during application of the jacket film (7) and the

Supply direction of the packaging material (8)

are directed opposite.

The web memory (23) takes e.g. the required for the associated jacket film area sheet length and is emptied when creating the jacket film (7). This happens during the forward movement of the

Wrapping device (10) and its transport means (20). During this movement may be of the

Supply device (9) packaging material (8) nachgefördert, which is filled in the backward movement in the web memory (23) again.

The web memory (23) is in the preferred

Embodiment designed as a controllable dancer (24) with relatively adjustable tension rollers (25,26) for the packaging material (8). Figure 5 illustrates this arrangement in a section and viewed from above. In the dancer (24) between the stationary tension rollers (25) and arranged on a controllable tensioning carriage movable tension rollers (26) more

Clamping loops of the web-shaped packaging material (8) formed.

On the input side of the web memory (23), in particular the dancer (24), a web deflection (22) upstream, with which the horizontally supplied film web (8) is rotated by 90 ° in an upright position with which the jacket film (7) to the Pressballen (3) is placed. The tension rollers

(25,26) also have an upright position. The

Web deflection (22) may e.g. via one in FIG. 3

shown oblique and rounded guardrail done. Above the web deflection (22), the inlet (29) of the wrapping device (10) is arranged with deflection rollers which take over the web-shaped packaging material (8) from the front end of the guide arm (15). Figures 1 and 4 show this arrangement.

The wrapping device (10) can also be controlled and driven conveying means (27) for the sheet-like

Have packaging material (8). On the output side of the web memory (23), in particular dancer (24), the packaging material (8) in a loop to

Deflection rollers on a rear support arm and from there back to an outlet (30) of the wrapping device (10) guided on which the packaging material (8) in

Direction to the pressed bales (3) according to Figure 2 and 3 exits. The outlet (10) can, according to FIG. 5, be movable transversely to the pressed bale (3) and has a controllably extendible and e.g. having a cylinder driven carriage with upright guide rollers.

As illustrated in FIG. 3, the wrapping device (10) can span a film curtain (21) which extends transversely over the pressed bale (3) and its rearward one

Front side is enough and then at one

Traveling the Einhüllvorrichtung (10) U-shaped around the held pressed bale (3) and closed at the other front end to a ring. For this purpose, the wrapping device (10) has a separating and

Welding device (28), which is arranged at the movable outlet (30) or in the vicinity thereof. The separating and welding device (28) can be used for pressing bales (3)

be arranged undeliverable, for example, it is located on the carriage of the outlet (30). On the one hand, the separating and welding device (28) closes the jacket film (7) formed by means of the film curtain (21) at the front end, thereby separating the jacket film (7) from supplied packaging material (8) from. It connects, in particular welded, while the ends of the jacket film (7) with each other. At the same time the resulting during the separation process free ends of the supplied packaging material (8) are connected to each other, again a closed film curtain (21) is formed. After removal of the jacket (7) provided with the press bale (3) from the baler (1), the

Slip back device (10) back to a starting position shown in Figure 1.

The wrapping device (10) can be designed constructively in different ways. In particular, it may be formed in one or more parts.

In the embodiment shown, a multi-part wrapping device (10) on two feeders (18,19) on both sides of the press bale (3) and the

Baling press (1) are arranged, each with its own and e.g. Having trained as a trolley transport (20). The feed devices (18, 19) each have the aforementioned design of the

A wrapping apparatus (10) with the web deflection (22), the web storage (23) and the conveying means (27), said film curtain (21) between the one another

Spreizbildlich oppositely arranged and synchronously moved feeding devices (18,19) is clamped. FIG. 3 shows this arrangement. The separation and

Welding device (28) can be assigned in whole or in part to one or both feed devices (18, 19).

The welding device (28) is designed in any suitable manner. It can be with heating bar or

Heating wires work at higher temperature, which are suitable for PE films, for example. For temperature-sensitive PP films, in particular so-called ribbon films, the Welding device (28) work with ultrasound. The separating and welding device (28) can be of constructive design and function in a manner corresponding to EP 0 294 820 B1 and / or EP 0 528 892 B1.

The two feed devices (18, 19) are each also provided with their own supply device (9)

connected so that the

Packaging material (8) on both sides of the press bale (3) and the baler (1) is supplied.

In another, not shown variant of

Packaging device (2) can be a single and

one-sided arrangement of a supply device (9) in conjunction with a single wrapping device (10) may be provided, wherein only one web (8) on

Packaging material on a ball side of the

stationary supply device (9) of

Enveloping device (10) is supplied. The latter can be multi-part and e.g. be formed according to EP 0 528 892 Bl, wherein on a bale side a

Film feeder and on the other a transversely extendable film arm are arranged and each on a

Transport means (20) are located.

Modifications of the shown and described

Embodiments are possible in various ways. This concerns the structural design and arrangement of the supply device (s) (9) and the

Wrapping device (10) and the baler (1).

In particular, the features of the above-described embodiments and their modifications can be arbitrarily combined with each other and also reversed. The bale wrapper (5) or the one with a jacket foil

(7) provided Pressballen (3) can then be supplemented with a Dehnhaube or other packaging. The baler (1) can be another constructive

Have training. It can e.g. be formed as a horizontal press and having vertically aligned press punches. The packaging device (2) is designed and arranged accordingly in adaptation thereto. In this case, the jacket (7) is placed around horizontal and vertical free side surfaces (32) of the press bale (3).

Furthermore, the baler (1) may have locally and functionally separate pre-press and finish press areas. It can be designed in particular as a press plant with several pre-presses and a common finish press. The packaging device (2) is arranged on a possibly stand-alone finishing press (1). The web-shaped packaging material (8) may be in a different form than in

Winding or coils are stored and provided, e.g. folded or laid and in cartons or the like

packed up .

REFERENCE LIST Baler

packaging device

bales

Press box

ball packaging

cover sheet

Jacket web, jacket film, jacket packaging material, film web supply device

wrapping apparatus

Stock, film supply, coil recording, coil recording stationary web guide

frame

guide

funding

press stand

feeding

Means of transport, trolley

Foil curtain, railway curtain

web turning

web store

dancer

Tensioning roller stationary

Tension pulley movable

funding

Separating and welding device inlet

outlet

press die

side surface

Guide means, pulley

Claims

1.) Packaging device for highly compressed

Press bales (3) on a baler (1), wherein the packaging device (2) has a

Supply device (9) for a web-shaped packaging material (8), in particular a

Film web, and a Einhüllvorrichtung (10) for attaching an annular surrounding jacket web (7), in particular a film jacket, on the free side surfaces (32) held between press dies (31) held pressing bale (3), wherein the wrapping device (10) with a Transport means (20) relative to the pressed bale (3) movable

is arranged and the supply device (9) spatially and kinematically separated from the

Enveloping device (10) is arranged.

2.) Packaging device according to claim 1, characterized

There is no such thing as the

Supply device (9) is arranged stationary.

3.) Packaging device according to claim 1 or 2,

By doing so, that the

Supply device (9) has a receptacle (12) for a web supply (11), in particular a coil, and a web guide (13) for the supply of the

Packaging material (8) for wrapping device (10).

4.) Packaging device according to claim 1, 2 or 3, characterized in that it e e n e c e s that the

Receiving (12) and the web supply (11) are arranged at a distance from the held pressed bale (3), wherein the web guide (13) bridges the distance. Packaging device according to one of the preceding claims, characterized in that the supply device (9) at least one further receptacle (12) for a replacement coil

having .

Packaging device according to one of the preceding claims, characterized in that the receptacle (s) (12) and the web guide (13) are arranged horizontally.

Packaging device according to one of the preceding claims, characterized in that the web guide (13) has a high-lying and

above the held press bale (3)

arranged guide arm (15) for the

Packaging material (8).

Packaging device according to one of the preceding claims, characterized in that the web guide (13), in particular the guide arm (15), a connection for attachment to a

Press stand (17).

Packaging device according to one of the preceding claims, characterized in that the supply device (9) is controllable

Has conveying means (16) for the packaging material (8).

Packaging device according to one of the preceding claims, characterized in that the wrapping device (10) has a variable

Track memory (23) for the packaging material (8).

11.) Packaging device according to one of the preceding

Claims, characterized in that the web memory (23) as a controllable dancer (24) with relatively adjustable tension rollers (25,26) for the packaging material (8) is formed.

12.) Packaging device according to one of the preceding

Claims, characterized in that the wrapping device (10) has a web deflection (22) for the packaging material (8).

13.) Packaging device according to one of the preceding

Claims, characterized in that the wrapping device (10) has controllable conveying means (27) for the packaging material (8).

14.) Packaging device according to one of the preceding

Claims, characterized in that the wrapping device (10) a separation and

Welding device (28) for the packaging material (8).

15.) Packaging device according to one of the preceding

Claims, characterized in that the packaging device (2) has two

Supply facilities (9) and the

Wrapping device (10) two on both sides of the

Press bale (3) arranged on a respective transport means (20) and each having one

Supply device (9) connected

Feeding devices (18,19).

16.) Packaging device according to one of the preceding

Claims, characterized in that the feed means (18,19) are provided and adapted to an upright between them Web curtain (21), in particular film curtain, aufzuspannen and this laterally around the pressed bale (3) to lay. 17.) Packaging device according to one of the preceding

Claims, characterized in that the feed devices (18, 19) each have a

Web deflection (22), a web memory (23),

Conveyor (27) and a separation and

Welding device (28).

18.) baler for high-density pressed bales (3) with a packaging device (2) the one

Supply device (9) for a web-shaped packaging material (8), in particular a

Film web, and an enveloping device (10) for attaching a surrounding jacket web (7) to the pressed bales (3) held between press dies (31), characterized in that the packaging device (2) according to at least one of claims 1 to 17 is formed.

19.) Process for packing high density

Press bales (3) on a baler (1) by means of a packaging device (2), wherein a

A wrapping device (10) with a transport (19) is moved relative to the pressed bale (3) and an annular jacket (7) of a web-shaped packaging material (8), in particular a

Film web, at the free side surfaces (32) of the held between press dies (31) pressed bales (3) attaching, wherein the web-shaped

Packaging material (8) of the wrapping device (10) by a supply device (9) is supplied, the spatially and kinematically separated from the

Enveloping device (10) is arranged.