CN101254029B

CN101254029B - Stagger roller

Info

Publication number: CN101254029B
Application number: CN2007101626718A
Authority: CN
Inventors: S·施利西奥
Original assignee: Hauni Maschinenbau GmbH
Current assignee: Kolber Technology Co ltd
Priority date: 2006-10-16
Filing date: 2007-10-16
Publication date: 2013-06-19
Anticipated expiration: 2027-10-16
Also published as: EP1913822B1; ATE532422T1; EP1913822A2; EP1913822A3; DE102006049409A1; PL1913822T3; CN101254029A

Abstract

The device (1) has fixed circular rollers (12a, 12b) for moving stick-shaped articles (4) e.g. cigratte, to a transferring area towards its longitudinal axis. The circular rollers come in direct contact with the articles in the transferring area, where the rollers have cylindrical peripheral surfaces (12c, 12d). The rollers are coaxially connected with other rollers (12g, 12h) in a torque-proof manner, where the latter rollers are driven by a circular conveyor (2).

Description

Oscillating roller

Technical field

The present invention relates to a kind of bar-like products of the tobacco industry for moving the receiving slit that is positioned at Rotatruder, particularly cigarette and/or filter-tip device, this device comprises the moving-member that at least one position is fixing, in moving area, the direction of goods along its longitudinal axis moved at least.

Background technology

This apparatus and method can be learnt from prior art.Therefore, for example applicant's DE3336689A1 and applicant's EP 1 033 083B1 have pointed out this apparatus and method, in these apparatus and method, fix and the rotating roller that arranges by the position, be pressed against on the rotation pressure ring of synchronizeing with the goods conveying cylinder from the outside in moving area.This push-tight is in the prior art also referred to as swing, because this is by also referred to as wobble-plate and the pressure ring that rotates together with cylinder and carry out, this pressure ring has been implemented oscillating motion in its rotary course.

For with tobacco rod-two filter tips-tobacco rod group push-tight, at first two filter tips are inserted between the tobacco rod of separating in advance in the scope of cigarette manufacture.In order to realize reliable insertion, tobacco rod with respect to two filter-tip length with to a certain degree excessively by separately.If not as these tobacco rod of aforementioned push-tight-two filter tips-tobacco rod group, therefore the gap between filter tip and tobacco rod can keep, this gap is just needing to avoid.This is by aforesaid swing, and wobble-plate is pressed against on the fire end of tobacco rod, and moves this fire end towards two filter-tip directions, thereby has sealed aforesaid gap.

For make filter tip bung in inserting tobacco rod separately before centering, for example also disclose in DE-OS1532270, make filter tip bung centering on the perimeter surface of conveyor surface by the centering rod member that rotates in advance together with the filter tip bung conveying cylinder.

Can be for example by disclosed filter tip head compression set in CH489217 through two filter tips of such centering, equally still compressed at their head.In this disclosed device, the filter tip head is compacted in head zone by the pressing plate of synchronizeing with two filter tips, wherein, and then, pressing plate is shown two gaps between two filter tips and tobacco rod, then, by static guide with tobacco rod-two filter tips-tobacco rod group push-tight.

Summary of the invention

Task of the present invention is to improve the apparatus and method of the described type of beginning.

This task is solved by device of the present invention by basis.

For a kind of device of bar-like products of the tobacco industry for the mobile receiving slit that is positioned at Rotatruder, this device comprises the moving-member that at least one position is fixing, in moving area, the direction of goods along its longitudinal axis moved at least, wherein, described moving-member directly contacts with goods in described moving area at least.The advantage of this device particularly is: can save wobble-plate essential in prior art fully.By according to the present invention at least in the moving area of device, be preferably designed to the moving-member of rotating roller and the direct contact between goods to be moved, it is unnecessary that disclosed wobble-plate becomes.This not only provides due to the advantage of having been avoided the pendular ring structure to reduce costs, and provide such advantage, namely can dismantle uninterruptedly the cylinder that swings cylinder itself and adjacency, because needn't consider again that in such dismounting the size design of external diameter must be than the larger pendular ring of diameter that swings cylinder.

Why particularly advantageous by the solution of saving pendular ring that the present invention realizes, also because at the centering cylinder during to the passing on of cylinder, pendular ring can cause the visual field to be restricted.For for goods are swung important this centering cylinder from swinging cylinder and accurately pass on or accurately being transferred to, therefore in the prior art, it is necessary removing and and then reinstalled wobble-plate before centering.These work now are no longer necessary due to the present invention.

Another advantage of the present invention is, and is obvious shorter than prior art also referred to as the moving area that is used for the push-tight goods that swings route.This makes, and the function distribution becomes easily on the swing cylinder, because the swing route of former length can not be used for other functions of cylinder.Now, due to short swing route of the present invention, a plurality of functions or swing on cylinder are feasible.

In a kind of preferred embodiment of the present invention, as moving-member, the fixing rotating roller in position in moving area, directly contacts with goods with its perimeter surface that is preferably cylinder shape at least.In this, the present invention has comprised such understanding, namely based on compress the surperficial slight curvature of the cylindrical roller of fire end towards two filter-tip directions, can realize the head of cigarette or the minimizing that the end comes off.

The moving-member that for example is designed to roller is preferably driven.When using roller, this roller can be for example with as the second roller anti-torsion of driven roller and coaxially be connected, wherein, this second roller is preferably driven by conveyer.If conveyer for example is designed to the conveying cylinder that rotates, this second roller preferably rolls on the end face of cylinder with its perimeter surface.By this way, in very compact make, realized the driving as the roller of moving-member, and then realized that the perimeter surface of the roller that the position is fixing synchronizes with the goods to be moved on conveyer.

Here preferably, by the compacting part that preferably has compression spring, this second driven roller is pressed against on the end face of cylinder, to obtain as avoiding the regulation pressing force that skids between cylinder and driven roller.Here, the pressing force of this compacting part is preferably adjustable, thereby guarantees for enough pressing forces of avoiding skidding, and wherein, this pressing force can be chosen lowly as far as possible simultaneously, designs this device in the as far as possible little mode of wearing and tearing.

For a kind of simple maintaining part of second roller is provided, this second roller for example can be fixed on keeping arm, this keeping arm itself is fixed on the frame of device or cigarette-making machine.

The end face of cylinder can be at least with the contact point of second roller on the ring that rotates together with being fixed on cylinder form.In a kind of optional embodiment, the end face of cylinder has recess at least in the moving-member zone.By these two kinds of measures, for following technical scheme has been created prerequisite: the driving diameter of second roller can be chosen less than 1 with the ratio of the centering diameter of the roller that is used as moving-member.Here preferably, aforesaid ratio makes the orbital velocity of axis on conveyer that equals at least goods as the peripheral speed of the roller of moving-member in moving area.

According to the above embodiments, this synchronous operation or by in the zone of second roller, the ring that is arranged on the cylinder end face realizes is larger thereby the width of cylinder is being used as in the regional internal ratio of second roller in the zone of roller of moving-member; Perhaps have recess by cylinder in the zone as the roller of moving-member and realize, thus the width of cylinder outside this zone, and then the width that the width in the zone of the second driven roller compares in the moving-member zone is larger.

Preferably, the ratio of centering diameter and the driving diameter axis that equals goods is to the intermediate contact of the perimeter surface of the distance of drum rotating axis and second roller to the ratio between the distance of drum rotating axis.Realized as the perimeter surface of the roller of moving-member and orbital velocity accurate synchronization operation by this perimeter surface goods to be moved by this measure.

In order to improve the durability of device, at least one roller in two rollers is at least part of is to be made by hardened steel.

Of the present invention another preferred embodiment in, moving-member drives by the motor of rhythm control preferably.This deformation program of the present invention provides such advantage, namely in the situation that due to the former of configuration aspects thereby do not show the setting of second roller, can save in the following way second roller: first roller that is preferably used as moving-member directly drives by the motor of corresponding rhythm control.

For a kind of for device of the present invention; at least one roller in roller is at least part of to be comprised of hardened steel; this device is (for this device; equally with the combination of the device of front in claimed) advantage particularly; cut-out scheme based on negative pressure; perhaps reduce by the negative pressure due to the ventilation in the zone of goods receiving slit or overvoltage, greatly reduce tobacco rod at receiving slit, for example the frictional force in the groove of cylinder.This greatly reduces again the necessary thrust that is applied by moving-member equally on corresponding tobacco rod.In this, the present invention has comprised such understanding, namely by the preferred only cut-out of the negative pressure of pointwise design or the ventilation of receiving slit in the tobacco rod zone, has realized reducing the compression degree of tobacco rod with two filter tip push-tight the time.In addition, it is solid that fire end easily becomes, and therefore greatly reduced coming off in cigarette manufacture process afterwards.

Therefore, with aforementioned means and the combination of one of them other above-mentioned embodiment in case of necessity in, reduce advantage that head comes off not only by the slight curvature of moving-member but also produce by reducing thrust.

Other preferred embodiments of the present invention are described below.

Description of drawings

Now, by accompanying drawing, preferred embodiment of the present invention is described.In the accompanying drawings:

Fig. 1 shows the first embodiment of device of the bar-like products of the tobacco industry for the mobile receiving slit that is positioned at Rotatruder of the present invention;

Fig. 2 shows the side view of the device of Fig. 1;

Fig. 3 shows the deformation program of the embodiment of Fig. 1 and Fig. 2;

Fig. 4 shows the working method schematic diagram of the embodiment of Fig. 1 to Fig. 3;

Fig. 5 shows the first schematic perspective view of the second embodiment of apparatus of the present invention;

Fig. 6 is another three-dimensional view of the second embodiment of Fig. 5;

Fig. 7 is another three-dimensional view of a part of the second embodiment of Fig. 5.

The specific embodiment

Fig. 1 shows the first embodiment for the device of the bar-like products 4 of the tobacco industry that moves the unshowned receiving slit that is positioned at Rotatruder, and this Rotatruder is designed to cylinder 2.The group that goods 4 shown in Figure 1 are comprised of the tobacco rod 4a shown in the left side, the two filter tip 4b that are arranged in the centre and the second tobacco rod 4c shown in the right.The figure shows the group that is formed by tobacco rod 4a, two filter tip 4b and tobacco rod 4c under the state that is in push-tight.Distance between the perimeter surface 6 of group 4 and cylinder 2 is owing to charting clearly former thereby being drawn turgidly largely.

Cylinder 2 rotates around rotation 10 according to arrow 8.Rotating roller 12a as the fixing moving-member in position directly contacts with

tobacco rod

4a or 4c with 12b.Roller 12a directly contacts with fire end 4aa or the 4cc of

tobacco rod

4a or 4c with 12d with their perimeter surface 12c with

12b.Perimeter surface

12c and 12d be planar shaped or

cylinder shape.Roller

12a or 12b are connected with

second roller

12g or 12h by

axle

12e or 12f anti-torsion ground.

Second roller

12g and 12h are by unshowned, and the compression spring that is used as compacting part is pressed on the end face 2a or

ring

14a or 14b on 2b that is arranged on cylinder 2 with the pressing force of predesignating.Therefore, the surperficial 14c of

ring

14a or 14b or end face, particularly cylinder 2 end face in the zone of

second roller

12g and 12h that 14d partly consists of cylinder 2.Cylinder has in this zone than larger width in other regional 2a or 2b owing to encircling 14a and 14b.

Simultaneously,

roller

12g and 12h are remained on fixing position by unshowned keeping arm, and wherein, these keeping arms are fixed on the frame of same unshowned device.

The ratio of the centering diameter d of the driving diameter c of

roller

12h or 12g and

roller

12b or 12a is less than 1, and is to choose like this, makes the peripheral speed of

roller

12d or 12a equal the orbital velocity of goods 4 on cylinder 2.For this reason, the ratio of distance b of the rotation 10 of cylinder 2 is arrived in the ratio of centering diameter d and the driving diameter c axis 16 that equals goods 4 to the intermediate contact 18 apart from the perimeter surface 20a of a and

second roller

12h or 12g or 20b of the rotation 10 of cylinder 2.

Roller

12a, 12b, 12c and 12d are comprised of hardened steel.

Fig. 2 shows the embodiment of Fig. 1 with side view.Same parts represents with identical Reference numeral.

Fig. 3 shows the deformation program of the embodiment of Fig. 1 and Fig. 2.Equally, here, identical parts represent with identical Reference numeral.From embodiment illustrated in figures 1 and 2 different be not to be arranged in this embodiment the end face 2a of cylinder 2 or ring 14b or the 14a on 2b.In order still to keep diameter c and d constant, end face 2b or the 2a of cylinder 2 have recess 22.

With identical at embodiment illustrated in figures 1 and 2, also can find out at embodiment shown in Figure 3, choose the distance of

perimeter surface

12d or 12c and the end face 12b of

roller

12b or 12a, make also the group that is formed by 4a, 4b and 4c shown in Fig. 1 to 3 by the state of push-tight under, this distance is non-zero.Guaranteed by this way the complete push-tight that does not hinder the group that is formed by 4a, 4b and 4c that contacts between

perimeter surface

12d or 12c and

end face

2b or 2a.

Fig. 4 shows the schematic diagram of the mode of action of the embodiment of Fig. 1 to 3.According to arrow 24, goods 4 moving area 26 towards device 1 on the perimeter surface of unshowned cylinder 2 moves.In this moving area, these goods are used as the roller 12a of moving-member on head end 4aa or 4cc or perimeter surface 12c or the d of 12b catches.These rollers are by directly contacting with 4cc with fire end 4aa, with these groups along the state shown in its longitudinal axis push-tight is below in Fig. 4.

Fig. 5 shows the first schematic perspective view of the second embodiment of apparatus of the present invention.With identical at the parts of the first embodiment of the present invention shown in Fig. 1 to 4 or with these parts corresponding parts on function, represent with identical Reference numeral in this figure and Fig. 6 and Fig. 7.From the first embodiment shown in Fig. 1 to Fig. 4 different be, directly to drive by motor 30a or the 30b of rhythm control respectively as rotating roller 12a and the 12b of the fixing moving-member in position to the embodiment shown in Figure 7 at Fig. 5.Therefore, optional in this second embodiment at the necessary second roller 12g of the first embodiment of Fig. 1 to Fig. 4 and 12h.The function of the

first roller

12a and 12b does not change with respect to the first embodiment of Fig. 1 to Fig. 4, therefore is equivalent to the described function with reference to Fig. 4.

According to Fig. 5 to Fig. 7,

motor

30a and 30b are arranged in

housing

32a and 32b, and these housings are tightened on fixed head 34a or 34b.As being clear that especially in the partial view of Fig. 7, these fixed heads 34a is connected with maintenance structure 36 with 34b, and this maintenance structure exceeds the width of cylinder 2 and gives prominence on its periphery.This keeps structure itself to be connected with the casing of unshowned corresponding machine for tobacco industry by holding member 38.

Claims

1. the device of bar-like products (4) that is used for the tobacco industry of the mobile receiving slit that is positioned at Rotatruder (2), this device comprises the moving-member (12a that at least one position is fixing, 12b), in moving area (26), the direction of goods (4) along its longitudinal axis (16) moved at least, it is characterized in that, described moving-member (12a, 12b) directly contacts with goods (4) in described moving area (26) at least.

2. device according to claim 1, wherein, described moving-member (12a, 12b) is designed to rotating roller.

3. device according to claim 2, wherein, rotating roller (12a, 12b) contacts with goods (4) with its perimeter surface (12c, 12d).

4. according to claim 2 or 3 described devices, wherein, described rotating roller (12a, 12b) has the perimeter surface (12c, 12d) of cylinder shape.

5. device according to claim 1, wherein, described moving-member (12a, 12b) is driven.

6. device according to claim 2, wherein, described rotating roller (12a, 12b) anti-torsion ground coaxially connects with the second roller (12g, 12h) that is driven by conveyer (2).

7. device according to claim 6, wherein, described conveyer (2) is designed to swing roller, and described second roller (12g, 12h) rolls the corresponding end face (2a, 2b) of this swing roller is upper.

8. device according to claim 7, wherein, described second roller (12g, 12h) is pressed against on described cylinder (2) by compacting part.

9. device according to claim 8, wherein, the pressing force of described compacting part is adjustable.

10. device according to claim 6, wherein, be fixed with the keeping arm for described second roller (12g, 12h) on the frame of described device.

11. device according to claim 7, wherein, the end face (2a, 2b) of described cylinder (2) at least along with second roller (12g, contact route (18) 12h) is to form by be fixed on the upper and ring (14a, 14b) that rotate of cylinder (2) together with cylinder.

12. device according to claim 1, wherein, described conveyer (2) is designed to swing roller, and the end face (2a, 2b) of this cylinder has recess (22) at least in the zone of moving-member (12a, 12b).

13. device according to claim 7, wherein, the ratio of the centering diameter (d) of the driving diameter of described second roller (12g, 12h) (c) and described rotating roller (12a, 12b) is less than 1.

14. device according to claim 13, wherein, described centering diameter (d) equals the axis (16) of described goods (4) to the distance (a) and described second roller (12g of the rotation (10) of cylinder (2) with the ratio of driving diameter (c), the intermediate contact (18) of perimeter surface (20a, 20b) 12h) is to the ratio of the distance (b) of the rotation (10) of cylinder (2).

15. device according to claim 6, wherein, the perimeter surface (20a, 20b) of described second roller (12g, 12h) is designed to convex.

16. device according to claim 2, wherein, described moving-member (12a, 12b) drives by motor.

17. device according to claim 6, wherein, at least one roller in described rotating roller (12a, 12b) and described second roller (12g, 12h) is at least part of to be comprised of hardened steel.

18. device according to claim 1 wherein, can produce negative pressure in the receiving slit of the bar-like products (4) of the tobacco industry, wherein said negative pressure can reduce in the process of mobile goods (4) at least.

19. device according to claim 18, wherein, described negative pressure at least can be by ventilating or the overvoltage reduction in the process of mobile goods (4).