CN112207528A - Dismounting device for first drum of packaging machine - Google Patents

Abstract

The invention relates to the technical field of cigarette packaging equipment, in particular to a dismounting device for a first drum wheel of a packaging machine. The first driving part drives the supporting plate to horizontally move to the position below the first drum wheel, the second driving part drives the supporting plate to ascend to be in contact with the first drum wheel and support the first drum wheel to be separated from the supporting shaft, the first driving part drives the supporting plate to horizontally move to the first drum wheel to be drawn out of the supporting shaft, the second driving part and the first drum wheel jointly drive the supporting plate to descend and reset under the self weight of the second driving part and the first drum wheel, and the first drum wheel can be detached; the first drum can be installed by reversing the disassembly process. The first drum can be quickly, safely and stably disassembled and assembled, time and labor are saved, and the working time and the effective operation rate of the packaging machine are guaranteed.

Description

Dismounting device for first drum of packaging machine

Technical Field

The invention relates to the technical field of cigarette packaging equipment, in particular to a dismounting device for a first drum wheel of a packaging machine.

Background

The packing machine is a device for realizing cigarette packing links, a frame type connecting rod mechanism is generally adopted for transmitting power, and main components can be independently disassembled and assembled. The label paper first drum of the packaging machine is a component which requires regular maintenance and frequent maintenance and replacement. The weight of the component is 180 kilograms, the rear part of the component penetrates through the equipment box body to be connected with the main transmission, the front part of the component is a functional component, and the front part of the component is narrow in installation space and compact in matching with other related parts, so that the first drum wheel is difficult to disassemble and assemble.

At present, when the first drum is disassembled and assembled in a cigarette factory, a professional hoisting unit is required to be contacted to disassemble and assemble the first drum by using an electric hoisting crane, and the method has the following defects:

(1) the time and the labor are wasted, a plurality of lifting personnel and maintenance personnel are required to complete the operation, the first drum wheel cannot be detached in time for maintenance when the first drum wheel fails, the working time of the packaging machine is delayed, and the effective operation rate of the equipment is influenced.

(2) The first drum wheel is a suspension type part sleeved on the supporting shaft, and needs to be pulled out along the supporting shaft during disassembly, and a crane is used for disassembly, so that potential safety hazards caused by collision of workers exist.

(3) The first drum wheel is not provided with a hoisting ring, and when the first drum wheel is disassembled and assembled by using a hoisting crane, the first drum wheel can only be hoisted by binding the sucker transmission shaft by using a steel wire rope. The sucking disc transmission shaft of first drum is accurate transmission part, and its both ends drive trade mark paper sucking disc reciprocating motion by two cam double-roller structures respectively, bear the whole weight of first drum by this transmission part when lifting by crane, lead to transmission part damage risk very big.

Disclosure of Invention

The present invention provides a device for assembling and disassembling a first drum of a packaging machine, which can realize the quick, safe and stable assembling and disassembling of the first drum, so as to overcome the above-mentioned defects of the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a dismouting device for first drum of packagine machine, includes the base, movably locates the backup pad of base top, drive backup pad horizontal migration's first driving piece and the second driving piece that the drive backup pad goes up and down, and the backup pad is used for contacting and bearing packagine machine's first drum.

Preferably, still include the mounting panel of locating the base top with liftable and locate the horizontal slide rail on the mounting panel, the backup pad is located on the horizontal slide rail slidable, and first driving piece drive backup pad slides along the horizontal slide rail, and second driving piece drive mounting panel goes up and down.

Preferably, a telescopic piece which can be stretched in the vertical direction is arranged between the base and the mounting plate.

Preferably, the telescopic member is a link folding mechanism.

Preferably, a limiting member is arranged between the base and the mounting plate, and the limiting member limits the lowest position of the mounting plate relative to the base.

Preferably, the horizontal slide rail is equipped with two, and two horizontal slide rails are equipped with horizontal spout on locating the mounting panel relatively at interval, the horizontal slide rail, the both sides of backup pad respectively with the horizontal spout sliding fit of two horizontal slide rails.

Preferably, the first drive member is disposed between the mounting plate and the support plate.

Preferably, the base includes a base plate and casters, the casters being provided below the base plate and supporting the base plate.

Preferably, the bottom plate is provided with a handle for an operator to hold.

Compared with the prior art, the invention has the remarkable progress that:

when the dismounting device for the first drum wheel of the packaging machine is used, the dismounting device can be placed in front of the first drum wheel after the first drum wheel is separated from the packaging machine main body and pulled to the end part of the supporting shaft, the first driving part drives the supporting plate to horizontally move to enable the supporting plate to move to the position below the first drum wheel, then the second driving part drives the supporting plate to ascend to enable the supporting plate to be in contact with the first drum wheel and lift the first drum wheel to enable the first drum wheel to be separated from the supporting shaft, the first driving part drives the supporting plate to horizontally move along the axial direction of the supporting shaft towards the direction far away from the supporting shaft, the supporting plate supports the first drum wheel to synchronously move to enable the first drum wheel to be drawn out of the supporting shaft, the second driving part and the first drum wheel drive the supporting plate to descend and reset together, and the first drum wheel descends along with the first drum wheel, so; the first drum can be mounted by operating in the reverse direction of the dismounting process. From this, utilize this dismouting device, cigarette factory operating personnel can carry out the dismouting of first drum fast conveniently, need not wait for allotment hoisting crane to reach labour saving and time saving's effect, guarantee packagine machine's operating time and effective operation rate. This dismouting device holds up first drum and drives first drum along with backup pad horizontal migration and lift through the backup pad, bears the whole weight of first drum by the backup pad, can effectively avoid the spare part of first drum to damage because of the bearing, also can guarantee the stationarity of first drum in the motion process simultaneously, guarantee operating personnel's safety.

Drawings

Fig. 1 to 4 are schematic views showing the operation of the dismounting device for the first drum of the packaging machine according to the embodiment of the present invention.

Fig. 5 is a side view schematic of fig. 1.

Fig. 6 is a side view schematic of fig. 2.

Wherein the reference numerals are as follows:

1. first drum 2, support shaft

3. Wallboard 4 and base of packing machine

41. Bottom plate 42, truckle

5. Supporting plate 6 and first driving member

7. Second driving member 8, mounting plate

9. Horizontal sliding rail 91 and horizontal sliding groove

10. Expansion piece 11 and limiting piece

12. First and second hydraulic pumps 13 and 13

14. Foot pedal 15, handle

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 6, the present invention relates to an embodiment of a device for dismounting a first drum of a packaging machine. The first drum 1 of packagine machine supports on a support shaft 2, and support shaft 2 fixes on packagine machine wallboard 3, and the dismouting device of this embodiment is used for dismantling and installing the first drum 1 of packagine machine, is about to take out or the suit is to support shaft 2 from support shaft 2 on first drum 1. Specifically, the dismounting device of this embodiment includes base 4, backup pad 5, first driving piece 6 and second driving piece 7, and base 4 is as the supporting seat of dismounting device arranges work platform (like ground) in, and backup pad 5 is movably located the top of base 4, and backup pad 5 can be relative 4 horizontal migration and lift of base, and 6 drive backup pad 5 of first driving piece is relative 4 horizontal migration of base, and 7 drive backup pad 5 of second driving piece are relative 4 lifts of base, and backup pad 5 is used for contacting and bearing packagine machine's first drum 1, and in this embodiment, backup pad 5 is the horizontal setting.

Referring to fig. 1 to 4, in use, after the first drum 1 is detached from the packaging machine and pulled to the end of the supporting shaft 2, the dismounting device of this embodiment is placed in front of the first drum 1, the first driving member 6 drives the supporting plate 5 to move horizontally, so that the supporting plate 5 moves to the lower side of the first drum 1, then the second driving member 7 drives the supporting plate 5 to move upwards, so that the supporting plate 5 moves to contact with the first drum 1 and supports the first drum 1 to separate the first drum 1 from the supporting shaft 2, then the first driving member 6 drives the supporting plate 5 to move horizontally along the axial direction of the supporting shaft 2 in the direction away from the supporting shaft 2, so that the supporting plate 5 supports the first drum 1 to move synchronously to withdraw the first drum 1 from the supporting shaft 2, and then the second driving member 7 and the first drum 1 drive the supporting plate 5 to move downwards and return under the weight, so that the first drum 1 descends, i.e. the disassembly of the first drum 1 is completed; the first drum 1 can be mounted by reversing the disassembly process. From this, utilize the dismouting device of this embodiment, cigarette factory operating personnel can carry out the dismouting of first drum 1 fast conveniently, need not wait for allotment hoisting crane to reach labour saving and time saving's effect, guarantee packagine machine's operating time and effective operation rate. The dismouting device of this embodiment holds up first drum 1 and drives first drum 1 along with 5 horizontal migration of backup pad and lift through backup pad 5, bears first drum 1's whole weight by backup pad 5, can effectively avoid first drum 1's spare part to damage because of the bearing, also can guarantee the stationarity of first drum 1 in the motion process simultaneously, guarantee operating personnel's safety.

Referring to fig. 5 and 6, preferably, the dismounting device of this embodiment may further include a mounting plate 8 and a horizontal sliding rail 9, the mounting plate 8 is disposed above the base 4 in a liftable manner, the mounting plate 8 is disposed horizontally, the mounting plate 8 and the base 4 are relatively fixed in a horizontal direction, the horizontal sliding rail 9 is disposed on the mounting plate 8, the horizontal sliding rail 9 and the mounting plate 8 are relatively fixed, and the supporting plate 5 is slidably disposed on the horizontal sliding rail 9. The first driving member 6 drives the supporting plate 5 to slide along the horizontal sliding rail 9, so that the supporting plate 5 moves horizontally relative to the mounting plate 8. The second driving piece 7 drives the mounting plate 8 to lift, and the horizontal sliding rail 9 and the supporting plate 5 are driven by the lifting of the mounting plate 8 to lift synchronously, so that the supporting plate 5 is lifted relative to the mounting plate 8.

In order to increase the sliding stability of the supporting plate 5 along the horizontal sliding rails 9, preferably, two horizontal sliding rails 9 may be provided, two horizontal sliding rails 9 are relatively arranged on the mounting plate 8 at intervals, a horizontal sliding groove 91 is provided on the horizontal sliding rail 9, the horizontal sliding groove 91 may preferably be a dovetail groove, and the horizontal sliding groove 91 is provided on the inner side surface of the two horizontal sliding rails 9. The support plate 5 is supported between the two horizontal sliding rails 1 and is positioned above the mounting plate 8, and two sides of the support plate 5 are respectively in sliding fit with the horizontal sliding grooves 91 of the two horizontal sliding rails 9. Support backup pad 5 jointly in the both sides of backup pad 5 through two horizontal slide rail 9, can guarantee backup pad 5 along the gliding stationarity of horizontal slide rail 9, provide reliable and stable support for backup pad 5 simultaneously, make backup pad 5 keep the level to guarantee that backup pad 5 can bear first drum 1 stationary motion.

For compact construction, it is preferred that there is a space between the mounting plate 8 and the support plate 5, and the first driving member 6 is provided between the mounting plate 8 and the support plate 5. The first driving member 6 is accommodated in the space between the mounting plate 8 and the support plate 5, so that the dismounting device has a compact overall structure and occupies a small space, thereby facilitating the application thereof. Preferably, the first driving member 6 can be fixedly disposed on the mounting plate 8 and connected to the lower surface of the supporting plate 5.

In order to increase the stability of the mounting plate 8 when the horizontal sliding rail 9 and the supporting plate 5 are driven to synchronously lift, preferably, an expansion piece 10 can be arranged between the base 4 and the mounting plate 8, and the expansion piece 10 can expand and contract along the vertical direction. The upper and lower both ends of extensible member 10 are connected the upper surface of base 4 and the lower surface of mounting panel 8 respectively, and at the in-process that second driving piece 7 drive mounting panel 8 goes up and down, under the drive of mounting panel 8, extensible member 10 is flexible along with it to keep the support to mounting panel 8. Through the supporting effect of the telescopic piece 10, the stability of the mounting plate 8 in the lifting process can be improved, and the mounting plate 8 can be kept horizontal. Further, in order to ensure that the mounting panel 8 keeps the level at the in-process that goes up and down, preferably, extensible member 10 can be equipped with two, two extensible member 10 intervals set up relatively and are located the below of mounting panel 8 both sides respectively, support mounting panel 8 and follow mounting panel 8's lift synchronous telescope together in mounting panel 8's both sides below through two extensible members 10, can guarantee that mounting panel 8 wholly steadily goes up and down, make mounting panel 8 keep the level, thereby make backup pad 5 keep the level, in order to guarantee that backup pad 5 can bear the steady lift of first drum 1. In this embodiment, the two telescopic members 10 are preferably respectively located below the two sides of the mounting plate 8 where the two horizontal sliding rails 9 are provided.

Referring to fig. 1 and 2, in the present embodiment, the telescopic member 10 may be preferably a link folding mechanism, which can provide a greater supporting strength while being telescopic. For increased support strength, a single telescopic member 10 may be formed by a combination of a plurality of link folding mechanisms arranged side by side, for example, as shown in fig. 5 and 6 in the present embodiment, the telescopic members 10 located below both sides of the mounting plate 8 are each formed by a combination of a pair of link folding mechanisms. The specific form of the link folding mechanism is not limited, and any existing connecting mechanism capable of extending and retracting itself, such as a cross-type four-bar mechanism, may be used.

In order to make the stress of the mounting plate 8 uniform, the second driving member 7 is preferably applied to the central position of the mounting plate 8, so as to facilitate the horizontal lifting of the mounting plate 8. In this embodiment, the second driving member 7 is disposed between the mounting plate 8 and the base 4 and located under the center of the mounting plate 8, so that the mounting plate 8 can be stressed uniformly, and the dismounting device can be compact in overall structure and small in occupied space, thereby facilitating application of the dismounting device. Preferably, the second driving member 7 can be fixed on the base 4 and act on the central position of the lower surface of the mounting plate 8.

Further, in the present embodiment, it is preferable that a limiting member 11 is disposed between the base 4 and the mounting plate 8, and the limiting member 11 limits a lowest position of the mounting plate 8 relative to the base 4, the lowest position being an initial position of the mounting plate 8 in an initial state of the dismounting device, at this time, an upper surface and a lower surface of the limiting member 11 respectively abut against a lower surface of the mounting plate 8 and an upper surface of the base 4, so that the mounting plate 8 is supported and positioned on the limiting member 11 (see fig. 1). When the second driving member 7 drives the mounting plate 8 to ascend, the mounting plate 8 can be separated from the limiting member 11, or the limiting member 11 can be separated from the base 4 along with the ascending of the mounting plate 8, so that the mounting plate 8 ascends relative to the base 4 (see fig. 2). When the second driving member 7 drives the mounting plate 8 to descend until the upper and lower surfaces of the limiting member 11 respectively abut against the lower surface of the mounting plate 8 and the upper surface of the base 4, the mounting plate 8 cannot descend continuously under the action of the limiting member 11, that is, the mounting plate 8 reaches the lowest position where it descends relative to the base 4. The limiting member 11 can protect the telescopic member 10 and prevent the telescopic member 10 from being excessively compressed. In this embodiment, the height of the limiting member 11 is greater than the height of the second driving member 7 in the initial state, so that the limiting member 11 can also protect the second driving member 7 to prevent the second driving member 7 from being extruded. In this embodiment, preferably, the lower end of the limiting member 11 is fixedly disposed on the base 4, the upper end surface of the limiting member 11 is disposed opposite to the lower surface of the mounting plate 8, and when the second driving member 7 drives the mounting plate 8 to move up and down, the mounting plate 8 moves up and down relative to the limiting member 11 to separate from or abut against the upper end surface of the limiting member 11. In order to prevent the mounting plate 8 from shifting under the action of the gravity of the first drum 1 after descending to the lowest position, preferably, the plurality of limiting members 11 may be provided, and the plurality of limiting members 11 are symmetrically distributed around the second driving member 7, so as to provide uniform supporting force for the mounting plate 8 descending to the lowest position, that is, provide uniform supporting force for the first drum 1 supported by the supporting plate 5 on the mounting plate 8, thereby ensuring the balance of the first drum 1. The number of the limiting members 11 is not limited, for example, as shown in fig. 1 and 5 in the present embodiment, a pair of limiting members 11 are respectively disposed on the outer sides of two telescopic members 10 below two sides of the mounting plate 8.

In this embodiment, the first driving member 6 may be a horizontally disposed first telescopic member having a telescopic stroke, so as to drive the supporting plate 5 to move horizontally. The form of the first telescopic member is not limited, and may be, for example, a hydraulic or pneumatic cylinder or an electric push rod. Preferably, in this embodiment, the first telescopic member is a hydraulic cylinder, the base 4 is further provided with a first hydraulic pump 12 for providing a working medium for the first telescopic member, and the first hydraulic pump 12 may be a manual hydraulic pump. When the first hydraulic pump 12 is a manual hydraulic pump, the base 4 may further include a foot pedal 14 connected to the first hydraulic pump 12 for an operator to step on to control the telescopic stroke of the first hydraulic pump 12. The maximum stroke of the first telescopic member should meet the requirement for full-size support of the first drum 1, i.e. the maximum stroke of the first telescopic member should at least be able to feed the support plate 5 directly below the first drum 1, so that the first drum 1 is entirely located above the support plate 5. In view of the difference in the sizes of different packaging machine units, in order to increase the applicable range of the dismounting device of the present embodiment, the maximum stroke of the first telescopic member is preferably designed to be 400 mm.

In this embodiment, the second driving member 7 may be a vertically disposed second telescopic member, which has a telescopic stroke, so as to drive the mounting plate 8 to ascend and descend. The form of the second telescopic member is not limited, and may be, for example, a hydraulic or pneumatic cylinder or an electric push rod. Preferably, in this embodiment, the second telescopic member is a hydraulic cylinder, the base 4 is further provided with a second hydraulic pump 13 for providing a working medium to the second telescopic member, and the second hydraulic pump 13 may be a manual hydraulic pump. The horizontal heights of the supporting shafts 2 of different packaging machine tables may be different (which can be obtained by measurement, and usually have a difference of about 9 mm), in this embodiment, the second telescopic member is matched with the telescopic member 10 to realize the lifting of the mounting plate 8 and the supporting plate 5, and the lifting range is preferably set to be 50mm, so as to meet the difference of the horizontal heights of the supporting shafts 2 of the various tables and the variation caused by the falling of the first drum 1 on the supporting shafts 2.

In this embodiment, referring to fig. 1, preferably, the base 4 includes a bottom plate 41 and a caster 42, the caster 42 is disposed below the bottom plate 41 and supports the bottom plate 41, and the second driving member 7, the telescopic member 10 and the limiting member 11 are disposed on the bottom plate 41. Thus, the base 4 can slide on the work platform via the caster 42 so that the operator can push the dismounting device to place it in the proper working position. For the convenience of the operator, the bottom plate 41 may be preferably provided with a handle 15 for the operator to hold.

The specific work flow of the dismounting device of this embodiment is in turn:

referring to fig. 1, the first drum 1 is detached from the packaging machine main body and pulled to the end of the supporting shaft 2, the dismounting device of the embodiment is placed in front of the first drum 1, the first hydraulic pump 12 is controlled by the pedal 14 to drive the first driving member 6 to extend in the direction indicated by arrow a, and the first driving member 6 drives the supporting plate 5 to extend from the horizontal sliding groove 91 of the horizontal sliding rail 9 to the lower side of the first drum 1, and then reaches the working position.

Referring to fig. 2, the second driving member 7 is driven by the second hydraulic pump 13 to extend upwards, the mounting plate 8 is jacked up, the supporting plate 5 is driven to ascend along the direction indicated by the arrow b, and the telescopic member 10 extends along with the ascending, until the supporting plate 5 contacts with the first drum 1 and lifts the first drum 1 until the first drum 1 is separated from the supporting shaft 2 (the axis of the first drum 1 is 25mm-30mm higher than that of the supporting shaft 2), and the second hydraulic pump 13 is locked.

Referring to fig. 3, the first hydraulic pump 12 is controlled by the foot pedal 14 to drive the first driving member 6 to retract, the first driving member 6 drives the supporting plate 5 to retract and return along the horizontal sliding slot 91 of the horizontal sliding rail 9 in the direction indicated by the arrow c, and the first drum 1 is pulled out from the supporting shaft 2 and sent to the position right above the dismounting device.

Referring to fig. 4, when the locking switch of the second hydraulic pump 13 is released, the second driving member 7 descends in the direction indicated by the arrow d under the gravity of the first drum 1, the mounting plate 8, the supporting plate 5 and the first drum 1 descend accordingly, and the telescopic member 10 is compressed until the mounting plate 8 reaches the lowest position abutting against the limiting member 11. At this point, the removal of the first drum 1 is completed. The first drum 1 is then pushed into the repair shop directly by pushing the dismounting device for repair and maintenance work. The first drum 1 after the maintenance or replacement can be mounted on the supporting shaft 2 by operating in the reverse direction of the dismounting process.

In conclusion, the dismounting device of the embodiment is used for dismounting and mounting the first drum 1, has the advantages of timely and simple operation, can realize fast, stable and safe dismounting, can obviously reduce the time required by dismounting and mounting, reduces the labor intensity, avoids the hidden danger of damaging parts in the dismounting and mounting process and the hidden danger of personal safety of operators, and greatly improves the maintenance efficiency of the first drum 1.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a dismouting device for first drum of packagine machine, its characterized in that includes base (4), movably locates backup pad (5), the drive of base (4) top backup pad (5) horizontal migration's first driving piece (6) and drive second driving piece (7) that backup pad (5) go up and down, backup pad (5) are used for contacting and bearing packagine machine's first drum (1).

2. A dismounting device for a first drum of a packaging machine according to claim 1, further comprising a mounting plate (8) liftably disposed above said base (4) and a horizontal slide rail (9) disposed on said mounting plate (8), wherein said supporting plate (5) is slidably disposed on said horizontal slide rail (9), said first driving member (6) drives said supporting plate (5) to slide along said horizontal slide rail (9), and said second driving member (7) drives said mounting plate (8) to lift.

3. A dismounting device for a first drum of a packaging machine according to claim 2, characterized in that a telescopic member (10) which is vertically telescopic is provided between said base (4) and said mounting plate (8).

4. A dismounting device for a first drum of a packaging machine according to claim 3, wherein said telescopic members (10) are link folding mechanisms.

5. A dismounting device for a first drum of a packaging machine according to claim 2, characterized in that a stop (11) is provided between said base (4) and said mounting plate (8), said stop (11) defining the lowest position to which said mounting plate (8) is lowered with respect to said base (4).

6. A dismounting device for a first drum of a packing machine according to claim 2, wherein there are two horizontal sliding rails (9), two horizontal sliding rails (9) are relatively arranged on said mounting plate (8) at intervals, a horizontal sliding slot (91) is arranged on said horizontal sliding rails (9), and two sides of said supporting plate (5) are respectively in sliding fit with the horizontal sliding slots (91) of the two horizontal sliding rails (9).

7. A dismounting device for a first drum of a packaging machine according to claim 2, characterized in that said first driving member (6) is provided between said mounting plate (8) and said supporting plate (5).

8. A dismounting device for a first drum of a packaging machine according to claim 1, wherein said base (4) comprises a base plate (41) and castors (42), said castors (42) being provided below said base plate (41) and supporting said base plate (41).

9. A dismounting device for a first drum of a packaging machine according to claim 8, wherein said base plate (41) is provided with a handle (15) for an operator to hold.

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