WO2011057726A2

WO2011057726A2 - Cutting blade of a tobacco cutter

Info

Publication number: WO2011057726A2
Application number: PCT/EP2010/006651
Authority: WO
Inventors: Hans Dierken; Uwe Bausch; Klaus-Peter Ott; Ulf Fillies; Nikola Mick
Original assignee: Hauni Maschinenbau Ag
Priority date: 2009-11-12
Filing date: 2010-11-01
Publication date: 2011-05-19
Also published as: DE102009046666A1; WO2011057726A3

Abstract

The invention relates to a cutting blade of a tobacco cutter in tobacco preparation, the cutting blade having a zigzag cutting structure. The cutting blade is developed further by the cutting blade having a plurality of cutting blade elements (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50), it being possible for the cutting blade elements (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) to be arranged detachably one above the other and/or one beside the other on or in at least one holding device (20) and/or on a support surface (14), in particular a support surface (14) of a drum body (12), such that the zigzag cutting structure is or can be built up. The invention further relates to a tobacco cutter in tobacco preparation and to a use of cutting blade for cutting tobacco goods. In addition, the invention relates to a cutting blade element (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) for a cutting blade of a tobacco cutter in tobacco preparation and to a use of one or more cutting blade elements (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50).

Description

Cutting knife of a tobacco cutter Description

The invention relates to a cutting blade of a tobacco cutter of tobacco preparation, wherein the cutting blade has a serrated cutting structure. Furthermore, the invention relates to a tobacco cutter of tobacco preparation and a use of a cutting blade for cutting tobacco.

Moreover, the invention relates to a cutting blade body for a cutting blade of a tobacco cutter of tobacco preparation and a use of one or more cutting blade body.

EP-A-0 872 189 discloses a tobacco cutter comprising a motor-driven knife drum and motor-driven press conveyor consisting of two press chains converging towards the knife drum. In this case, tobacco is compacted into a tobacco cake by the press conveying means, on the output side of the press conveying means being provided with knives.

BESTÄT1GUNGSKOP1E sertrommel is arranged to cut tobacco fibers from the tobacco cake and request. The knife drum formed as a cutting device consists of a cylindrical drum rotatable about its main axis, on whose circumference several, for example, eight, knives are arranged at the same distance from each other.

Furthermore, in DE-T-694 16 417 and in WO-A-2004/080215 and US-B-6 595 216 various cutting knives of knife drums of the tobacco processing industry in the tobacco preparation for cutting smokable material such. As tobacco, tobacco ribs, tobacco sheet and / or cloves, which are compacted into a cake disclosed.

Based on this prior art, it is an object of the present invention to improve a cutting device of the tobacco-processing industry, the production cost and the design effort should be as low as possible.

This object is achieved by a cutting blade of a tobacco cutter of tobacco preparation, wherein the cutting blade has a serrated cutting structure, which is further characterized in that the cutting blade has a plurality of cutting blade body, wherein the cutting blade body one above the other and / or side by side releasably in or on at least one holding device for the cutting blade body and / or on a support surface, in particular bearing surface of a drum body, can be arranged or arranged, so that the serrated cutting structure can be formed or formed.

The invention is based on the idea that a multi-part cutting blade of a knife drum of a tobacco cutter a plurality of cutting blade bodies is provided, wherein the releasable cutting blade bodies are arranged so as to give a serrated or crenellated cutting contour or cutting structure of the entire cutting edge of the cutting blade. Here, the individual cutting blade body are arranged one above the other and / or side by side releasably, wherein the cutter blades are fixed or held by means suitable means or means for use in cutting devices on the cutterhead to form the multi-part cutting blade with a serrated cutting contour. In this case, at least one holding device is provided for the individual cutting blade bodies, so that the cutting blade bodies are detachably connected to the holding device or, in order thereby to easily exchange the cutting blade bodies after use or wear. In the context of the invention, in particular, a holding device for a plurality of cutting blade bodies is advantageous, since, for example, a retaining strip or the like is detachably connected with a plurality of, in particular with all, cutter bodies and for a predetermined service life. It is also conceivable that a holding device is provided for each cutting blade body, in order to fix or hold it.

By providing or combining a plurality, preferably one-piece, cutting blade body and the at least one holding device for the cutting blade body, by means of which the cutting blade bodies are held or fixed on a cutterhead of a tobacco cutter, a cutting blade according to the invention with a serrated cutting contour by a corresponding arrangement the cutting blade body side by side and / or produced one above the other. In other words, the cutting blade according to the invention comprises the serrated type Cutting contour in the invention, a plurality of cutting blade body and at least one holding device for the cutting blade body.

By disposing the cutting edges of the cutting blade bodies staggered and juxtaposed to form a serrated cutting structure of the entire cutting edge, using the cutting blade of the present invention, it is possible to provide a desired tobacco fiber length when cutting the tobacco cake with the tobacco cutter reach, wherein a plurality of individual cutting blade bodies are arranged over the width of the knife.

For this purpose, it is provided in one embodiment that when arranging the individual cutting body knife next to each other along the serrated cutting structure two juxtaposed cutting blade body have different thicknesses and / or that when arranging cutting blade bodies one above the other two superimposed cutting blade body have different Schneidmesserschnittkantenlängen. This makes it possible to form a desired tooth-like cutting structure or cutting contour of the entire cutting blade with a corresponding arrangement of differently shaped cutting blade body. In particular, two or more types of cutting blade bodies are used to form the serrated cutting structure, and the two types of cutting blade bodies used differ with respect to the thicknesses and / or the length of the cutting blade cutting edges.

In particular, in a preferred development, the cutting blade bodies are in contact with the cutting blade bodies at the cutting edge of the cutting blade body. By remote end portions or ends in each case with a, in particular common, holding device connected or connectable, so that the cutting blade body are fixed or held at its rear end by the holding device or a corresponding holder. In particular, a common holding device or a common holder for a plurality of cutting blade body is provided, which is releasably connected to the various arranged cutting blade bodies or is.

Moreover, it is possible in a further embodiment of the cutting blade that the cutting blade body at the end facing away from the cutting edge end portions or ends holding structures, in particular recesses or protrusions, in particular engaged with form and functionally complementary attachment structures or attachments one or the holding device brought or brought. For this purpose, the holding device for the cutting blade body corresponding projections or noses, which can be introduced into, for example dovetail-like bulges of the cutting blade body, whereby a secure positioning of the cutting blade body during operation and during assembly of the cutting blade is achieved from a plurality of cutting blade bodies. In particular, the holding device or the holder is slidably disposed on a cutterhead of the cutting device, so that the multi-part cutting blade, consisting of several different cutter blades, is brought by means of a corresponding feed or a drive or the like after a grinding operation in a corresponding cutting position to tobacco fibers accordingly with a predetermined average tobacco fiber length from a tobacco cake in operation to cut.

In addition, a preferred embodiment of the invention Cutting knife characterized in that the cutting blade body each have the same cutting surface angle. As a result, re-sharpening of the cutting blade or the cutting blade body is facilitated by a corresponding grinding device on a cutterhead with the cutting blades.

In particular, the cutting surface angles of the juxtaposed or superimposed cutting blade body in the same plane are arranged or arranged, so that the cutting blade body or the cutting blade can be easily reground. In particular, on the cutterhead with the cutting blade according to the invention, a cavity throat or cavity bar is provided with a serrated arrangement of the cutter blade body inverse and functional or complementary shape, serrated contour, so that the cutting blade according to the invention rests on the bottom of the cavity strip and is arranged. For this purpose, the fillet strip or cavity strip on the cutterhead has corresponding elevations or depressions on which the cutting knife bodies rest.

In addition, it is favorable in a development, when the cutting blade is or is assembled from at least two types of cutting blade bodies, wherein under a cutting blade body of a first type a plurality of cutting blade body of a second type are arranged and wherein the cutting blade body of the second type at predetermined lateral intervals along the serrated cutting structure are arranged to each other or are.

Preferably, a cutting blade body of a first type is formed as a one-piece upper blade and / or the cutting blade body of the second type by means of a web, preferably on the Ends facing away from the cutting edge, connected to each other, wherein in particular by the end-connected cutting blade body of the second type, a comb-like lower blade is formed. The upper blade is arranged above the lower blade designed as a comb blade, wherein the upper blade is wider than the cutting blade body of the lower blade.

In order to form a regular or irregular serrated cutting contour of a cutting blade according to the invention, it is possible within the scope of the invention that the cutting blade bodies are arranged symmetrically or asymmetrically and / or that the cutting blade bodies have the same or different, preferably lateral, predetermined distances from one another and / or that the cutting blade bodies have the same or different lengths cutting edges at their front ends.

In addition, the object is achieved by a tobacco cutter of tobacco preparation mii at least one Scnneidrnesser, as described above. To avoid repetition, reference is made to the above statements. Here, one or more cutting blades are formed or arranged on a cutterhead of a tobacco cutter.

Furthermore, the object is achieved by a cutting knife body for a cutting blade of a tobacco cutter tobacco preparation, in particular as described above, with a cutting edge for cutting tobacco, which is further developed in that the cut edge width is smaller than the length of the cutter blade body.

For this purpose, it is further provided in one embodiment of the cutting blade body that the cutting blade body on the of the Cutting edge facing away end or end is in each case connectable to a holding device for the cutting blade body.

In particular, it is expedient for the cutting knife body, at the end region or end remote from the cutting edge, to have a holding structure, in particular a recess or a bulge or a projection, which can be brought into engagement, in particular, with a form-fitting and functionally complementary fastening structure of a holding device.

Furthermore, the object is achieved by a use of one or more, described above individual, cutting blade body for producing a cutting blade of a tobacco cutter of tobacco preparation. To avoid repetition, reference is expressly made to the above statements. Preferably, a plurality of individual cutting blade bodies are used in combination with at least one holding device for one or more cutting blade bodies to produce or provide a cutting blade with a serrated cutting contour for a tobacco cutter or tobacco preparation.

In addition, the object is achieved by using a cutting blade for cutting tobacco or smokable material such. As tobacco, tobacco ribs, tobacco sheet and / or cloves in a tobacco cutter of tobacco preparation, wherein the cutting blade is formed as described above. To avoid repetition, reference is also expressly made to the above statements.

Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. Inventions According to embodiments, individual features or a combination of several features may be met.

The invention will be described below without limiting the general inventive idea by means of embodiments with reference to the drawings, reference being expressly made to the drawings with respect to all in the text unspecified details of the invention. Show it:

Fig. 1 shows schematically a perspective view of a knife drum, wherein the individual components of a cutting blade are shown in the manner of an exploded view;

2 shows schematically a view of the cutterhead (from FIG.

1) in the assembled state;

Fig. 3 schematically a cutting blade with a serrated

Cutting contour with several juxtaposed cutting knife bodies;

4 schematically shows a perspective view of a cutterhead, wherein the individual components of a cutting blade are shown in the manner of an exploded view, and

5 shows schematically a view of the knife drum (from FIG.

4) in the assembled state.

In the following figures, the same or similar elements or corresponding parts are given the same reference numerals, so that a corresponding renewed idea ab- is seen.

In Fig. 1, a cutter drum 10 of a tobacco cutter is shown schematically, wherein the individual parts, of which the cutterhead 10 is composed, are shown schematically in the manner of an exploded view.

The cutterhead 10 consists of a polygonal drum body 12 rotatable about its main axis, on the circumference of which a plurality of cutting knives each having a serrated cutting contour are arranged at the same distance from one another. In the embodiment of the cutterhead 10 shown in Fig. 1, the drum body 12 is formed octagonal, so that at the periphery of the drum body 12 eight multi-part cutting blades can be arranged at the same distance from each other. For this purpose, the drum body 12 on the circumference, preferably flat, knife support surfaces 14 on which an inventive, multi-part and composite cutting blade is arranged or positioned.

In addition, it may be provided in one embodiment of a knife drum of a tobacco cutter tobacco preparation that four or two cutting blades according to the invention are arranged on the cutterhead. Moreover, in the context of the invention, the cutting blade may be formed with a regular or irregular cutting contour. Here, the cutting blade body may be arranged, for example, symmetrical or asymmetrical and have different or equal length cutting edges. Furthermore, the individual cutting blade bodies can be arranged uniformly or unevenly.

On the support surface 14 are several narrow knife body 16.1 to 16.5 placed next to each other, the knife body 16.1 to 16.5 are arranged at predetermined intervals next to each other. For this purpose, a corresponding gap is formed between the narrow knife bodies 16.1 to 16.5. The width of the blade body 16.1 to 16.5 and the distance of the blade body 16.1 to 16.5 are determined by a predetermined desired tobacco fiber length of a tobacco to be cut.

The knife bodies 16.1 to 16.5 are cut in a simple rectangular shape, with the respective front edge 18.1 to 18.5 or cutting edge of the knife body 16.1 to 16.5 pointing forwards or in the direction of rotation of the cutterhead 10.

The knife bodies 16.1 to 16.5 have at their rear end, i. At the end facing away from its front edge 18.1 to 18.5 or cutting edge each have a dovetail-like recess 19.1 to 19.5, in which the lugs 21 .1 to 21.5 of a designed as a holding device for the knife body 16.1 to 16.5 and 26 retaining strip 20 are introduced.

Trained as a knife carrier retaining strip 20 also has holes 22, engage in the projections of the provided on the support surface 14 feed brackets 24. The feed holders 24 are arranged linearly displaceable, whereby, for example, after a grinding operation of a cutting blade, the cutting blade is brought with its cutting contour to the outside in the desired cutting position.

On the spaced blade body 16.1 to 16.5 another knife body 26 is placed, which has a front edge 28 and cutting edge. The knife body 26 covers all narrower knife body 16.1 to 16.5, the knife body 26th is loosely placed on the knife body 16.1 to 16.5. The knife body 26 has on its rear side two outer recesses 29.1, 29.2, which are likewise dovetail-shaped, so that the recesses 29.1, 29.2 are brought into form and function-complementary engagement with the projections 21.1 and 21.5 of the holder or holding bar 20.

By the connection of the knife body 16.1 to 16.5 and the knife body 26 with the retaining strip 20 an exact positioning of the knife body 16.1 to 16.5 and 26 is achieved on the support surface 14, wherein a lateral displacement of the blade body 16.1 to 16.5, 26 is prevented. In addition, an unwanted falling out of the knife body 16.1 to 16.5, 26 is prevented. In addition, the cutting force acting on the blade bodies 16.1 to 16.5, 26 is transmitted, whereby the rigidity of the upper blade body 27 supports the stability of the retaining strip 20 and thus the blade body 16.1 to 16.5.

According to the invention, there is no direct connection of the lower knife bodies 16.1 to 16.5 and the upper knife body 26. Alternatively, within the scope of the invention after production or provision of the individual knife bodies 16.1 to 16.6 and the knife body 26, preferably one-piece, a connection of the individual knife bodies 16.1 to 16.5, 26 for the preparation of a cutting blade according to the invention with a serrated cutting contour to form a positive connection or fabric bond or a frictional connection possible.

After arranging the knife bodies 16.1 to 16.5 and the upper knife body 26 on the lower knife bodies 16.1 to 16.5 is on the thus multi-part cutting blade according to the invention with a serrated cutting contour a Mes- serhalteplatte 32 attached to the top, whereby the knife body 16.1 to 16.5 and the knife body 26 are held together.

Below the knife body 16.1 to 16.5 is in the region of the serrated cutting edge of a trained by the knife body 16.1 to 16.5 and the knife body 26 cutting a corresponding to the width of the knife body 16.1 to 16.5 provided with recesses or elevations groove strip 34 in the region of the serrated cutting contour of the Knife body 16.1 to 16.5 and arranged thereon the broad knife body 26 formed multi-part cutting blade of a drum body 12.

The inventive design of the cutting blade body 16.1 to 16.5, 26 and formed as a holding device retaining strip 20, thus the entire cutting blade according to the invention, and the Messerhaiiepiatte 32 is a particularly simple replacement of the cutting blade body 16.1 to 16.5, 26 possible if they are worn.

FIG. 2 shows a schematic view of the components of the cutterhead 10 shown in FIG. 1 in the assembled state, wherein for reasons of clarity the cover plate 32 and the upper-side knife body 26 are shown broken.

In Fig. 3 is shown schematically in a partial view of another embodiment of a cutting blade according to the invention, wherein the multi-part cutting blade is formed with a serrated cutting contour of two different types of knife bodies 40.1, 40.2 and 42. In this case, alternately thicker knife bodies 40.1 and 42 are arranged side by side. net, so that a jagged cutting contour is formed at the front. According to this embodiment, the arrangement of different knife bodies 40.1, 42, 40.2 side by side, a multi-part cutting blade according to the invention is formed, wherein the blade angle α or cutting surface angle α of the different blade body 40.1, 40.2 and 42 correspond to each other.

FIG. 4 schematically shows a perspective view of a further cutterhead 10 according to the invention, wherein the individual components are shown after an exploded view.

In the cutterhead 10 shown in Fig. 4 of the drum body 12 is also formed octagonal, so that on the circumference of the drum body 12 eight multi-piece cutting blades are arranged. On the bearing surface 14 for a cutting blade, a comb knife 44 is placed or positioned, the comb knife 44 has a plurality of juxtaposed or trained cutting blade 48.1 to 48.7, which may be formed, for example, as the narrow blade body shown in Fig. 1 16.2 to 16.5.

The knife bodies 48.1 to 48.7 of the comb knife are connected at the ends facing away from the cutting edge at their ends by means of a web 49 ends, whereby the end interconnected cutting blade 48.1 to 48.7 forming a comb-like lower blade. Above the comb knife 44, a one-piece upper blade 50 is placed, thereby providing a cutting blade for the tobacco cutter, the blade, due to the spacing of the blade bodies 48.1 to 48.7 along the cutting edge, being serrated Forming cutting structure in cooperation with the upper blade 50. The width of the upper blade 50 with respect to the cutting edge corresponds to the width of the comb blade 44.

The comb knife 44 and the upper blade 50 are arranged together on top of each other on the support surface 14, wherein the pair of blades are positively placed against and on the two feed holders 24. Here, the spaced-apart feed holders 24 are formed for example as a feed and holding nut. The feed holders 24 are connected in engagement with a feed gear formed in the interior of the cutterhead 10. The upper blade 50 covers all of the narrower blade bodies 48.1 to 48.7 of the comb blade 44, the upper blade 50 being loosely placed on the comb blade 44.

Below the knife bodies 48.1 to 48.7 of the comb knife 44, a groove strip 34 corresponding to the width of the knife bodies 48.1 to 48.7 is provided in the region of the front, serrated cutting edge of the cutting knife. The groove fillet 34 has a shape-complementary shape to the serrated or crenellated shape Cutting contour of the formed by the combing knife 44 and the upper blade 50 cutting blade has.

Further, a Abstreifblech 52 is disposed between the contact side for the channel strip 34 and the channel strip 34, wherein the Abstreifblech 52 causes no tobacco crumbs can attach below the cutting contour of the cutting blade. The Abstreifblech 52 also has a tin-like or jagged contour. For fixing the cutting knife, consisting of the comb knife 44 and the upper knife 50, is on the upper side of the upper blade 50 arranged as a clamping plate holding plate 32 and, for example, using screws, in particular collar screws, connected to the support surface 14 and the drum body 12.

Fig. 5 shows a schematic view of the components of the cutterhead 10 shown in Fig. 4 in the assembled state, for reasons of clarity, the cover plate 32 and the upper-side upper blade 50 are shown broken.

All mentioned features, including the drawings alone to be taken as well as individual features that are disclosed in combination with other features are considered alone and in combination as essential to the invention. Embodiments of the invention may be accomplished by individual features or a combination of several features.

LIST OF REFERENCE NUMBERS

10 knife bodies

12 drum body

14 bearing surface

16.1 - 16.5 Knife body

18.1 - 18.5 leading edge

19.1 - 19.5 recess

20 retaining strip

21 .1 - 21.5 protrusions

22 holes

24 feed bracket

26 knife body

28 leading edge

29.1, 29.2 recess

32 retaining plate

34 Coving strip r <-> ► ι tu. 1, tu.i IVI C99 C I r \ wi

42 Knife body α Blade angle

44 comb knives

48.1 - 48.7 Knife body

49 footbridge

50 upper knife

52 scraping plate

Claims

Cutting knife of a tobacco cutter claims

A cutting knife of a tobacco cutter of tobacco preparation, wherein the cutting knife has a serrated Schneidsirukiur, characterized in that the cutting blade a plurality of cutting blade body (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50), wherein the cutting blade body (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50) one above the other and / or side by side detachable on or in at least one holding device (20) and / or on a support surface (14), in particular support surface (14 ) of a drum body (12), can be arranged, so that the serrated cutting structure can be formed or formed.

2. Cutting knife according to claim 1, characterized in that in the arrangement of the cutting blade body (40.1, 40.2, 42) side by side along the serrated cutting structure two have juxtaposed cutting blade body (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50) have different thicknesses and / or that when arranging cutting blade bodies on top of each other, the two superimposed cutting blade body (16.1 to 16.5, 26, 44, 50) have different cutting knife cutting edge lengths (18.1 to 18.5, 28,).

Cutting knife according to claim 1 or 2, characterized in that the cutting blade body (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) at the end of the cutting edge (18.1 to 18.5, 28) facing away from each end with one, in particular common, holding device (20) are connected or connectable.

Cutting knife according to one of claims 1 to 3, characterized in that the cutting blade body (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) at the end regions facing away from the cutting edge (18.1 to 18.5, 28) Holding structures (19 ^ 1 to 19.5, 29.1, 29.2), in particular recesses (19.1 to 19.5, 29.1, 29.2) or bulges o- of projections, in particular in engagement with form and functionally complementary attachment structures (21.1 to 21.5) one or the holding device (20) can be brought or brought.

Cutting blade according to one of Claims 1 to 4, characterized in that the cutting blade bodies (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) each have the same cutting surface angle (a). Cutting blade according to one of claims 1 to 5, characterized in that the cutting surface angle (a) of the juxtaposed or stacked cutting blade body 16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) are arranged or can be arranged in the same plane.

Cutting blade according to one of claims 1 to 6, characterized in that the cutting blade is or are assembled from two types of cutting blade bodies (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50), under a cutting blade body (26, 44) of a first type are arranged a plurality of cutting blade body (16.1 to 16.5) of a second type and wherein the cutting blade body (16.1 to 16.5) of the second type are or are arranged at predetermined lateral distances from each other.

A cutting blade according to claim 7, characterized in that a cutting blade body of a first kind is formed as a one-piece upper blade (50) and / or the cutting blade bodies (44) of the second type are connected to each other by means of a web, preferably to those of the cutting edge (1 8.1 to 18.5, 28) facing ends, are connected, wherein in particular by the end interconnected cutting blade body (48.1 to 48.7) of the second type, a comb-like lower blade (50) is formed.

Tobacco cutter of tobacco preparation with at least one cutting blade according to one of claims 1 to 8.

Cutting blade body (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50) for a cutting blade of a tobacco cutting machine that of the tobacco preparation, in particular according to one of claims 1 to 8, with a cutting edge (18.1 to 18.5, 28) for cutting tobacco, characterized in that the cut edge width is smaller than the length of the Schneidmes- serkörpers.

Cutting knife body according to claim 10, characterized in that the cutting blade body (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) at the end of the cutting edge (18.1 to 18.5, 28) facing away from each end with a holding device (20) for the cutting blade body (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50) is connectable. 12. A cutting blade body according to claim 10 or 11, characterized in that the cutting blade body (16.1 to 16.5, 26; 40.1, 40.2, 42; 44; 48.1 to 48.7; 50) at the end facing away from the cutting edge (18.1 to 18.5, 28) end region a holding structure (19.1 to 19.5, 29.1, 29.2), in particular a recess (19.1 to 19.5, 29.1, 29.2) or a bulge or a projection, in particular in engagement with a form and functionally complementary attachment structure (21.1 to 21.5) of a Holding device (20) can be brought. 13. Use of one or more cutting blade bodies (16.1 to 16.5, 26, 40.1, 40.2, 42, 44, 48.1 to 48.7, 50) according to one of claims 10 to 12 for producing a cutting blade of a tobacco cutter of the tobacco preparation according to one of claims 1 to 8 , Use of a cutting knife for cutting Ta bakgut in a tobacco cutter of tobacco preparation, the cutting blade according to any one of claims 1 to 8 is out forms.