CN1197755A

CN1197755A - Unit for transferring tobacco articles

Info

Publication number: CN1197755A
Application number: CN98104108.6A
Authority: CN
Inventors: 达尼埃莱·科伊; 菲奥伦佐·德拉格海蒂
Original assignee: GD SpA
Current assignee: GD SpA
Priority date: 1997-01-23
Filing date: 1998-01-23
Publication date: 1998-11-04
Anticipated expiration: 2018-01-23
Also published as: BR9800260A; GB9801144D0; GB2321440B; GB2321440A8; ITBO970033A1; ITBO970033A0; CN1098791C; IT1290653B1; GB2321440A

Abstract

A unit for transferring tobacco articles from a fixed pickup station (20) to an unloading station (21), wherein a roller (32), rotating about a respective axis (34) and movable along a circular path (P2) having a portion extending through the pickup station (20), has a base cylinder (38) coaxial with the axis (34), and a number of seats (36) located tangent to and outside the base cylinder (38); and a guide plate (45) travels with the pickup roller (32) along the circular path (P2) to guide the tobacco articles (2) from the fixed pickup station (20) to the seats (36), and has an appendix (47) extending at least partly across the base cylinder (38).

Description

The equipment that is used for feeding tobacco items

The present invention relates to a kind of equipment that is used for feeding tobacco items.

The present invention is specifically related to a kind of equipment that is used for conveying cigarettes, only makes following explanation by example.

More particularly, the present invention relates to a kind equipment, this equipment comprises feeding device, is used for cigarette is delivered to a plurality of adjacent supply position of continuous setting; Eduction gear can receive cigarette along the path movement adjacent with described supply position and in described supply position; And feedway, be used for receiving cigarette and it being delivered to a discharge terminal from described eduction gear; Described eduction gear comprises a minimum dispensing roller, this roller can along described path movement and itself comprise at least two coaxial, axially leave half roller at interval, have on it on the dispensing roller and limit a plurality of vertical bearing that is used to receive cigarette, and guide piece, can be with dispensing roller moving and move along described path with the conveying that enters described bearing from described feeding device of control cigarette.

The equipment of the above-mentioned type is described in patent application WO-A-9521771, this patent application relates to a kind of load transfer device, be used for to major general's one deck cigarette from limit by a hopper mouth bottom opening one fixing divide to see off deliver to the discharge terminal that is positioned at a delivery chute that moves continuously along a given delivery conduit.

Load transfer device described above comprises a feedway that is used for layers of cigarettes is delivered to discharge terminal, and this equipment comprise again one at the dispatch station place first and second conveying rollers tangent to each other, and second roller also is tangential on discharge terminal.Described equipment also comprises a dispensing devices, and this device comprises a plurality of around equidistant setting of first roller and the dispensing roller that moves along respective paths again, this path around first roller extend and by and by dispensing and dispatch station.

Cigarette is sent to branch and sees off along the passage in the hopper, dependence gravity, thereby it is concentrated towards hopper mouth bottom opening.

Along its path, the dispensing roller with can with the dispensing roller along the guide plate alternating movement of described path movement, thereby guarantee to each dispensing roller guiding cigarette; Cigarette relies on gravity and along each passage, be sent to the bottom opening of hopper dispatch station with the stringer form, and with controllable way, be sent passage by guide plate.In other words, as below in greater detail, when dispensing roller and guide plate when described circuit moves, when guide plate sees off by branch, cigarette is derived the stage of each passage with when the dispensing roller sees off by branch, and the stage that cigarette is sent hockets.

The known load transfer device of above-mentioned pattern has some shortcomings, as later the institute in greater detail, during sending, each root cigarette is subjected to the effect of the power opposite with gravity, thereby the cigarette of having slowed down is along the conveying of each passage and limited the output of equipment on the whole.

One object of the present invention be to provide a kind of simply, the load transfer device of the above-mentioned type cheaply, its purpose is to eliminate above-mentioned defective.

According to the present invention, a kind of equipment that is used for feeding tobacco items is provided, this equipment comprises feeding device, is used for tobacco product is delivered to a plurality of adjacent supply position of continuous setting; Eduction gear, along the path movement adjacent with described supply position to receive described tobacco product in described supply position; And feedway, be used for receiving described tobacco product and it being delivered to a discharge terminal from described eduction gear; Described eduction gear comprises a dispensing roller at least, this roller can rotate around first axle also can be along described path movement, and have groove thereon on the dispensing roller, to determine a plurality of vertical bearings that are used to receive tobacco product, and guide piece, can be with dispensing roller moving and move along described path to control described tobacco product enters described bearing from described feeding device conveying; Described dispensing roller has one and equates substantially with the length of described tobacco product with coaxial base cylinder and the length of first axle; And described bearing is should be with described base cylinder tangent and be positioned at the outside of this base cylinder; Described equipment is characterised in that: the part of described at least guide piece to small part extends through base cylinder.

Non-limiting example of the present invention is described with reference to the accompanying drawings as an example, in the accompanying drawing:

Fig. 1 is described to be the front elevation of a most preferred embodiment of present device, has wherein for clarity sake removed some parts;

Figure 2 shows that the detail drawing of Fig. 1;

Fig. 3 is Fig. 2 enlarged detail view, has for clarity sake removed some parts;

Figure 4 and 5 are depicted as a known embodiment who is in Fig. 2 of two different control positioies.

Label 1 is depicted as and is used for from the load transfer device of a feeder 3 to a trough conveyor 4 conveying cigarettes 2 among Fig. 1, and wherein said trough conveyor is with prescribed direction D1, mobile continuously along a regulation straight line feed path P 1.Conveyer 4 comprises the groove 5 of a series of U of being roughly types, and each groove all is used for holding at least the cigarette 2 of one deck 6, and is used for along the path P 1 conveying cigarettes layer 6 that intersects with the respective axis of cigarette 2; And each groove 5 include one with the belt conveyor 8 one bonded assembly diapires 7 of forwarder 4, and two walls 9 and 10 that intersect with direction D1, and these two walls all have a drop-center 5a (the groove 5a of wall 10 only is shown) who is roughly rectangle in Fig. 1, its purpose is described further below.

Feeder 3 is set at the top of forwarder 4, and a delivery pipe 11 arranged, this delivery pipe comprises the passage side by side 12 that a plurality of cardinal principles are upright, these passages are limited by upright next door 13 side direction of a plurality of cardinal principles between delivery pipe 11 two sides 14, and each passage all can guarantee to carry each continuous cigarette 2 row 15 downwards by gravity.A next door 13 and a sidewall 14 are limited by the respective tapered end 16 and 17 that limits a bottom opening 18 at the place, bottom, by this opening, cigarette 2 is discharged from conveying roller 11, and described opening is set at the differing heights place along the set fan-shaped section of a cylinder 19.

Equipment 1 is set at the branch that is limited by delivery pipe 11 openings 18 and sees off between 20 and one discharge terminal 21, wherein is placed in the groove 5 at described discharge terminal place one layers of cigarettes 6.

Equipment 1 comprises a dispensing devices 22, thereby is used for discharging the cigarette 2 that a series of cigarettes 2 are isolated one deck 6 by the cigarette 2 in the delivery pipe 11 along the opening 18 of delivery pipe 11; And a feeding device 23, be used for receiving layers of cigarettes 6 continuously and layers of cigarettes 6 being delivered to discharge terminal 21 from installing 22.

Feeding device 23 comprises a conveying roller 24, and around a horizontal axis 25 continuous rotation, and conveying roller 24 itself comprises a plurality of adsorption sites 27 parallel with the axis of cigarette 2 and axis 25 to this roller with the clockwise direction among Fig. 1 26.More particularly, the length of roller 24 is less than cigarette 2, so that combine by the middle part with each cigarette 2 cigarette 2 is kept in present 27, and roller 28 is set between the opening 18 and discharge terminal 21 of delivery pipe 11.

Device 23 also comprises another conveying roller 28, and around a horizontal axis 29 continuous rotation parallel with axis 25, this roller also comprises the suction base 31 of the longitudinal axis that is parallel to cigarette 2 and axle 29 to this roller with the anticlockwise direction among Fig. 1 28.More particularly, the length of roller 28 is less than cigarette 2, so that combine by the middle part with each cigarette 2 cigarette 2 is kept in present 31, and roller 28 is set between roller 24 and the discharge terminal 21.Roller 28 receives cigarettes 2 from roller 24, and immediately with groove 5 each walls 9 and 10 on groove 5a engage so that cigarette 2 is progressively put into groove 5.

Dispensing devices 22 comprises the dispensing roller 32 of a plurality of diameters less than roller 24, and these dispensing rollers 32 along with the coaxial equidistant setting of a circular path P2 of roller 24 axis 25.As shown in Figure 3, and each roller 32 comprises one half rollers 33, and described half roller can rotate around 25 the common axis 34 of paralleling to the axis, along 35 continuous rotation of the anticlockwise direction among Fig. 1; And half roller 33 of each roller 32 all has corresponding flute profile seat 36, each flute profile seat should be complementary with reception with the respective seat 36 on other half roller 33 and keep a corresponding cigarette 2, so that each cigarette 2 all can be engaged by the roller 32 near these cigarette two ends, and the axis of cigarette 2 is consistent with the bus of the pitch block 37 of roller 32.In addition, the bearing 36 of each roller 32 should be set at the outside that the face of cylinder 38 1 " hereinafter is called base cylinder 38 ", this base cylinder should be with the axis 34 of roller 32 coaxial and its length should equal the length of the cigarette 2 of carrying by roller 32.One absorption duct 39 is terminated at each surface of 36, and by a known pneumatic distributor (not shown) and an adsorption plant (not shown) intercommunication; Roller 32 is supported rotation along direction 26 around the transmission bearing (not shown) of axis 25 continuous rotation by one, so that roller 32 also can revolve round the sun around axis 25 continuously along direction 26.By around the rotation of himself axis 34 and around the revolution of axis 25, the rolling path P3 that each roller 32 is all limited by cylinder 19 with its pitch block 37 edges and rolling.

At the known embodiment shown in Fig. 4 and Fig. 5, device 22 comprises a guide plate 40 that limits between path P 2 and P3 and by guiding face 41 arc outside, the outer guiding face of wherein said arc is in 32 extensions of two continuous rollers and have and the identical curvature of cylinder 19 cardinal principles.With respect to rotation direction 26, plate 40 also comprises a front and

back ends

42,43, and described end has the response curve section 44a that is formed on plate 40 thickness and is set at base cylinder 38 outsides of each adjacent roller 32,44b.

At Fig. 1, in 2 and 3, substitute known plate 40 by a guide plate 45, described guide plate 45 should between between path P 2 and the P3 and by 32 extensions of two continuous rollers and have with cylinder 19 substantially outside the arc of identical curvature guiding face 46 limit.As plate 40, plate 45 comprises a front and

back ends

42,43 on rotation direction 26, and described end has the response curve section 45a that is formed on plate 45 thickness and is set at base cylinder 38 outsides of each adjacent roller 32,45b.But different with plate 40 is, plate 45 also comprises an end or appendage 47, and it is from section 45a, 45b, outstanding and extend between half roller 33 of adjacent roller 32 with the direction opposite with direction 26, so that intersect with the base cylinder 38 of roller 32, so the appropriate section of face 46 is tangential on the surface of base cylinder 38.More particularly, a free end of surface 46 parts of extending along appendage 47 is roughly tangent with the bus 48 of base cylinder 38; Wherein, bus 48 is set between path P 2 and the P3, and consistent with the intersection on a base cylinder 38 and a plane 49, and wherein said plane 49 is limited by axis 25 and the axis 34 adjacent to the roller 32 of section 45b.

In the embodiment shown in Fig. 3, each plate 45 is divided into two boards 51 and 52 by a central opening 50, this two boards in a known way (not shown), in opposite direction around the respective axis that is roughly parallel to opening 50, between a dead position R shown in dotted lines in Figure 3 and a control position W, rotate, at dead position R place, plate 51 and 52 is set parallel to each other and is in the outside of each half roller 33, and at described control position W place, plate 51 and 52 is in same plane and defines guiding face 46.

In actual use, feedway 4 is along path P 1, with given speed V1 continuous rotation, and an axle drive shaft (not shown) around axis 25, along direction 26 to equal the linear velocity live-rollers 24 of speed V1, and rotation passed to roller 28 (described in patent application WO-A-9521771), this roller is around axis 29, rotate so that cigarette is moved to roller 28 from roller 24 with the linear velocity that equals speed V1 along the direction 30 opposite with direction 26.By known epicyclic transmission, this mechanism have a fixed gear ring (described in patent application WO-A-9521771) and comprise be used for back plate 45 as described in known transmission support (not shown), described axle drive shaft (not shown) makes plate 45 around axis 25, along direction 26 rotations, and make roller 32 along the direction opposite, with given speed, rotate simultaneously around axis 34 with direction 26, so that make bearing 36 along the opening 18 of conveying roller 11, locate continuously towards respective channel 12.

Now cigarette 2 (hereinafter representing with 2a) is being described near the operating mode on the contact surface 46 of plate 45 section 45a.In this stage, cigarette 2a almost completely is placed in the outside of each passage 12 inside and cylinder 19.When plate 45 when direction 26 is moved, the middle part of cigarette 2a is 46 slips along the surface, and cigarette 2a progressively from each passage 12, progressively pass cylinder 19 along the direction of the supply of passage 12 and enter a position, in of a pair of bearing 36 supportings of this position cigarette by the free end and the dispensing roller 32 of the face 46 that extends along appendage 47, at this moment this is positioned to the either side of bearing at appendage 47, and this location should make them towards separately passage 12 and can contact the respective end of cigarette 2a.

In this specific location, cigarette 2a is delivered to bearing 36 by surface 46, and the longitudinal axis of cigarette 2a both should be placed on the cylinder 19 and also should be placed in the plane 49, and a bus of bearing 36 is tangential on the base cylinder 38 in the plane 49.

When roller 32 is further rotated and is revolved round the sun, cigarette 2a is maintained at the inside of bearing 36 by corresponding absorption duct 39, and along separating from surface 46, so that make the cigarette 2a that remains on the roller 32 can not produce the displacement opposite with the direction of the supply of escape route 12 with base cylinder 38 and surface 46 tangent directions.

On the other hand, in the known embodiment shown in the Figure 4 and 5, cigarette 2a slave plate 40 is transported to the bearing 36 that is positioned at 49 upstreams, plane, therefore, be positioned at the channel part between Fig. 5 position on plane 49 along the longitudinal axis of Fig. 4 transfer position and cigarette 2a, cigarette 2a produces and the interior opposite displacement " d " of throughput direction of each passage.At this moment, when cigarette 2a still partly places in the passage 12, the falling speed that the displacement " d " opposite with the throughput direction of cigarette 2 in being in passage 12 can cause being in the cigarette 2 in the columns of cigarettes 15 of cigarette 2a top reduces, thereby the fan-out capability of equipment is descended.

Claims

1, a kind of equipment that is used for feeding tobacco items, this equipment comprises feeding device (12), is used for tobacco product (2) is delivered to a plurality of adjacent supply position of continuous setting; Eduction gear (32) moves to receive described tobacco product (2) in described supply position along the route adjacent with described supply position; And feedway (24,28), be used for receiving described tobacco product and it being delivered to a discharge terminal (21) from described eduction gear (32); Described eduction gear (32) comprises a dispensing roller (32) at least, this roller can rotate and can move along described path (P2) around first axle (34), and have groove thereon and determine a plurality of vertical bearings (36) that are used to receive tobacco product (2) to go up at dispensing roller (32), and guide piece (45,51,52), can be with dispensing roller (32) along the motion campaign of described path (P2) to control the conveying that described tobacco product (2) enters described bearing (36) from described feeding device (12); Described dispensing roller (32) has one and equates substantially with the length of described tobacco product (2) with coaxial base cylinder and the length of first axle (34); And described bearing (36) is should be with described base cylinder (38) tangent and be positioned at the outside of this base cylinder; Described equipment is characterised in that: a part (47) to the small part of described at least guide piece (45,51,52) extends through base cylinder (38).

2, equipment according to claim 1 is characterized in that described feedway (24,28) comprises a conveying roller (24), and this roller rotates to receive described tobacco product (2) from dispensing roller (32) around second axis (25); Extend around described conveying roller (24) in described path (P2), and described first axle (34) is parallel to described second axis (25), and limit a given plane (4a) with described second axis (25).

3, equipment according to claim 1 and 2 is characterized in that described guide piece (45,51,52) comprises outer guiding face (46), and this guiding face is roughly tangent with the base cylinder (38) that a bus (48) that is positioned at base cylinder (38) is located.

4, equipment according to claim 3 is characterized in that the described bus (48) of described base cylinder (38) is positioned at described plane (49).

5,, it is characterized in that the described part (47) of described guide piece (45,51,52) comprises that one is tangential on the free end of described bus (48) according to claim 3 or 4 described equipment.

6, according to arbitrary described equipment among the claim 1-5, it is characterized in that described dispensing roller (32) comprise at least two coaxial, axially leave half roller (33) of spacing; Described part (47) is placed between described half roller (33).