CN102573529A

CN102573529A - Cutting device for a rod-making machine in the tobacco processing industry

Info

Publication number: CN102573529A
Application number: CN2010800454112A
Authority: CN
Inventors: M.吕内堡; T.鲍斯蒂安; D.延茨; W.阿克曼
Original assignee: Hauni Maschinenbau GmbH
Current assignee: Koerber Technologies GmbH
Priority date: 2009-10-09
Filing date: 2010-09-30
Publication date: 2012-07-11
Also published as: EP2485611A1; WO2011042140A1; DE102009049656A1

Abstract

The invention relates to a cutting device (10) for a rod-making machine in the tobacco processing industry, said device comprising a blade carrier (11) with at least one blade holder (12), and a drive for rotationally driving said blade carrier (11). The blade carrier (11) and the drive are associated with a cutting head (13) that is designed such that it can be positioned relative to a tilting table (14), said table being locally fixed and adjusted for fixing to an external frame (16) or similar of said rod-making machine. Said cutting device also comprises a drive unit (17) for automatically positioning said cutting head (13) relative to the tilting table (14). The invention is characterised in that the drive unit (17) is adjusted and configured for fixing directly to the external frame (16) or similar of the rod-making machine, yet associated exclusively with the cutting head (13).

Description

The cutter sweep that is used for the sett frame of tobacco industry

The present invention relates to a kind of cutter sweep that is used for the sett frame of tobacco industry, said cutter sweep comprises: knife rest has at least one blade drive rotaining device; Drive unit; Be used for rotation and drive said knife rest; Wherein said knife rest and said drive unit are attached troops to a unit in cutting head, and said cutting head is designed to and can regulates with respect to the frame of outside fixed-site, that be suitable for being fixed on said sett frame or the rotary table on the similar means; And driver element, be used for regulating said cutting head automatically with respect to said rotary table.

This cutter sweep is applied in the tobacco industry.This cutter sweep especially is integrated in the sett frame.In sett frame, the bar that is formed by tobacco, filter-tip material or other material that forms bar is cut into stick or bar section.Yet, also need utilize sett frame and especially cutter sweep that bar is cut into different length.In other words, each sett frame and and then each cutter sweep must regulate in the following manner: so that cut out the stick or the bar section of different length from bar.In this respect, people mention specification usually and change, and it requires the position/location matches of cutter sweep and bar.

In known cutter sweep, can be manually, for example carry out or implement specification and change or regulate by means of main shaft or similar means.Change the adjusting angle of cutting head by means of main shaft, thereby change the position of cutting head with respect to bar.On the one hand when manual adjustments, precision is not enough and depend on operating personnel's experience.On the other hand, in the sett frame in modern times processing or cut a large amount of specifications, this has caused significant adjusting to expend.Yet because relevant with it time consumption, this has reduced the efficient of sett frame.

Therefore, other cutter sweep has driver element and matees especially for specification to be used for regulating cutting head automatically with respect to rotary table.Known in practice cutter sweep, wherein driver element is arranged between cutting head and the rotary table.In other words, driver element designs and be arranged in the below of cutting head in the following manner: promptly driver element works between rotary table and cutting head, and wherein driver element is bearing on the sett frame through rotary table.Yet the shortcoming of known cutter sweep is: the degree of regulation of cutter sweep is not enough on the one hand.Rotary table is fixed on the sett frame usually, for example on the frame of sett frame.Knife rest is with high rotating speed rotation.Because rotary table forms a kind of lever arm, the vibration that is produced by rotation is obtained or is accepted by sett frame only limitedly, and this has a negative impact to degree of regulation.On the other hand, known solution expends very big aspect project organization, and particularly is difficult to approaching with respect to driver element.

Therefore, the objective of the invention is to, realize a kind of simple in structure and reliable, cutter sweep with high degree of regulation.

Said purpose realizes through the cutter sweep that starts said type in the following manner: said driver element is fit on the one hand and is provided for directly being fixed on the outside frame or similar means of sett frame, and only attaches troops to a unit in cutting head on the other hand.Utilize and to have guaranteed with extremely simple mode: realize very high degree of regulation, according to design of the present invention because driver element and rotary table decoupling.In addition, fastness and the especially driver element realized according to the present invention through said layout improve degree of regulation away from rotation, and cutting head can be rotated around this rotation.Another advantage is, can be easily near driver element, and and then can safeguard more simply and change.

According to a kind of favourable improvement project of the present invention, driver element is formed by CD-ROM drive motor and ball screw.Therefore, guaranteed necessary, extra high positioning accuracy when specification changes on the one hand.On the other hand, this design has realized high moving or governing speed, thereby specification changes the interruption that only need lack.

Advantageously, CD-ROM drive motor is equipped with transmission device.Further improved degree of regulation thus and especially also reduced the space, this is extremely important for little adjusting distance.

Of the present invention a kind ofly preferred embodiment be characterised in that, cutting head are equipped with and are used for respect to the fixing securing member position, machinery of cutting head of rotary table., each specification guaranteed between changing thus: keep the position that be conditioned of cutting head reliably with respect to rotary table.

Obtain other suitable and/or favourable characteristic and improvement project of the present invention by dependent claims and specification.Elaboration is of the present invention especially preferred embodiment in detail by accompanying drawing.Shown in the drawings:

Fig. 1 illustrates the sketch map of cutter sweep, and it is fixed on the frame of sett frame;

Fig. 2 illustrates the side view that is used for regulating with respect to rotary table the driver element of cutting head, and

Fig. 3 illustrates the cutaway view along cross section A-A according to the driver element of Fig. 2.

Cutter sweep illustrated in the accompanying drawings is used to cut the bar that formed by tobacco, filter-tip material or the other products of tobacco industry, and is designed for and is adjusted to different specifications.

At the cutter sweep shown in Fig. 1 10 is independent unit in principle, yet in device/machine of the higher level that preferably packs into, so elements/components outside, that do not belong to cutter sweep 10 having been described equally, however should not limit protection.In the embodiment of describing, cutter sweep 10 is attached troops to a unit in the sett frame of tobacco industry.Cutter sweep 10 comprises the knife rest 11 with at least one blade drive rotaining device 12.Knife rest 11 is designed to rotatable driving, and drive unit wherein clearly is not shown.Knife rest 11 is attached troops to a unit in cutting head 13 with drive unit, and in other words, knife rest 11 forms cutting head 13 with drive unit.Cutting head 13 is bearing on the rotary table 14 and is designed to and can regulate with respect to this rotary table.Be set on the supporting member 15 to rotary table 14 fixed-site.For this reason, rotary table 14 is fixed on outside, fixing frame 16 or the similar means with supporting member 15.This fixing in order to realize, correspondingly adaptive and rotary table 14 is set.In this respect, external representation: frame 16 is not the building block of cutter sweep 10, but as in the sample situation, attaching troops to a unit in sett frame.Support, pedestal, housing wall or similar means also can replace frame 16 as bearing or bearing-surface.

In addition, cutter sweep 10 also comprises the driver element 17 that is used for regulating automatically with respect to rotary table 14 said cutting head 13.Rotary table 14 is positioned at the below of support plate 18, and this support plate is the building block of cutting head 13.Support plate 18 can constitute with cutting head 13 one or be designed to independently or independent parts.Particularly, support plate 18 can be with respect to 14 rotations of fixing rotary table or swing, or rather, around be vertically oriented and perpendicular to the axis A of bar S to be cut.Driver element 17 is suitable for directly being fixed on the outside frame 16 of sett frame on the one hand, and only attaches troops to a unit in cutting head 13 on the other hand.In other words, driver element 17 does not directly contact with rotary table 14.And driver element 17 is arranged in cutting head 13 next doors and spaced apart with rotary table 14.This means that driver element 17 is laterally towards cutting head 13 and also directly be fixed on the outside frame 16 towards rotary table 14, this rotary table is positioned at cutting head 13 belows.

Driver element 17 is formed by CD-ROM drive motor 19 and ball screw 20.This is preferred design.Certainly, driver element 17 also can be designed as other form, for example has servo motor and is equipped with transmission device 23 or the similar means that is used for driving main shaft.In the embodiment of describing, ball screw 20 comprises ball-screw 21 and the swivel bearing bearing 22 that can on ball-screw 21, move back and forth, and this swivel bearing bearing can be described as movably that rigid bearing also can be described as slide block.Also there is such possibility; Can be at swivel bearing bearing 22 internal regulation ball-screws 21, thus the unit of being made up of CD-ROM drive motor 19 (transmission device 23 in case of necessity), swivel bearing bearing 22 and ball-screw 21 can move or leave from frame towards frame 16.Ball-screw 21 is fit to and is provided for directly supporting or being placed on the outside frame 16, and under installment state, utilizes swivel bearing bearing 28 directly to be fixed on the frame 16.Ball-screw 21 is bearing in the swivel bearing bearing 28.This swivel bearing bearing 28 for example is permanently connected through bolt and frame 16.In one embodiment, CD-ROM drive motor 19 freely hangs, and CD-ROM drive motor 19 can be equipped with transmission device 23, for example bevel gearing alternatively.In another embodiment, CD-ROM drive motor 19 equally directly and closely supports or is fixed on the frame 16.Alternatively, ball-screw 21 is equipped with protecting component 29.Protecting component 29 is the spring helical member preferably.For example, this spring helical member is fixed between two

swivel bearing bearings

22 and 28.

For the adjustment movement with driver element 17 is delivered on the cutting head 13, between driver element 17 and cutting head 13, arranged Connection Element 24.For example, this Connection Element 24 can be a bar, and this bar is fixedly placed on the swivel bearing bearing 22 and in a relative side in a side and is bearing in swingably on the support plate 18.Also have such possibility, promptly other suitable Connection Element 24 of bar or each is on the one hand with cutting head 13 or be connected securely with support plate 18 or rather, and is rotatable on the other hand or swingingly be fixed on the swivel bearing bearing 22.Yet, between driver element 17 and cutting head 13, set up other the common possibility that effectively connects and be fine equally.Support plate 18 preferably has protuberance 25, and it 18 begins to extend and for example have the bearing shell 26 that is used to hold Connection Element 24 along side direction from support plate.

In the other advantageous modification according to cutter sweep of the present invention, cutting head 13 can be equipped with the securing member 27 of machinery.This securing member 27 is used for fixing the position of cutting head 13 with respect to the adjusted of rotary table 14, and preferred arrangements is in the zone of support plate 18.Securing member 27 comprises at least one bolt, however preferred two and preferred especially four bolts.

Claims

1. be used for the cutter sweep (10) of the sett frame of tobacco industry, said cutter sweep comprises: knife rest (11) has at least one blade drive rotaining device (12); Drive unit; Be used for rotation and drive said knife rest (11); Wherein said knife rest (11) and said drive unit are attached troops to a unit in cutting head (13), and said cutting head (13) is designed to and can regulates with respect to the frame (16) of outside fixed-site, that be suitable for being fixed on said sett frame or the rotary table (14) on the similar means; And driver element (17); Be used for regulating said cutting head (13) automatically with respect to said rotary table (14); It is characterized in that; Said driver element (17) is fit on the one hand and is provided for directly being fixed on the frame (16) or similar means of said outside of said sett frame, and only attaches troops to a unit on the other hand in said cutting head (13).

2. cutter sweep according to claim 1 is characterized in that, said driver element (17) is arranged in said cutting head (13) next door or laterally arranges with respect to said cutting head and spaced apart with said rotary table (14).

3. cutter sweep according to claim 1 and 2 is characterized in that, said driver element (17) is made up of CD-ROM drive motor (19) and ball screw (20).

4. cutter sweep according to claim 3 is characterized in that, said ball screw (20) comprises ball-screw (21) and the swivel bearing bearing (22) that can on said ball-screw (21), move back and forth.

5. cutter sweep according to claim 4 is characterized in that, said at least ball-screw (21) is fit to and is provided for directly being bearing on the frame (16) of said outside.

6. according to each described cutter sweep in the claim 1 to 5, it is characterized in that, arrange that between said driver element (17) and said cutting head (13) Connection Element (24) is to be used to transmit adjustment movement.

7. cutter sweep according to claim 6 is characterized in that, said cutting head (13) comprises support plate (18), and said support plate has the protuberance (25) that is used for fixing said Connection Element (24).

8. according to each described cutter sweep in the claim 4 to 7, it is characterized in that said Connection Element (24) is fixed on said cutting head (13) in a side and goes up and be fixed on the said swivel bearing bearing (22) in a relative side.

9. according to each described cutter sweep in the claim 3 to 8, it is characterized in that said CD-ROM drive motor (19) is equipped with transmission device (23).

10. according to each described cutter sweep in the claim 1 to 9, it is characterized in that said cutting head (13) is equipped with and is used for fixing the securing member (27) position, machinery of said cutting head (13) with respect to said rotary table (14).

11. cutter sweep according to claim 10 is characterized in that, said securing member (27) comprises at least one bolt.