CN116457510A - Carding machine for producing a fibrous web from fibrous material - Google Patents

Abstract

The invention relates to a carding machine (1) for producing a fibrous web from fibrous material, comprising at least one cylinder (2 a;2 b) arranged to be supported about a rotational axis, side guards arranged on both sides of the cylinder (2 a;2 b) and fixedly mounted on a frame (3), and at least one covering device (V1; V2) arranged on the side of the cylinder (2 a;2 b). The covering device (V1; V2) is connected to the associated side guard by means of a fastening device (B), in particular made of metal, wherein the fastening device (B) is embodied in the form of a rim, such that it extends at least along an annular section around the axis of rotation of the cylinder (2 a; 2B). Furthermore, the covering device (V1; V2) is composed of a plurality of planar sections which are arranged annularly about the axis of rotation of the cylinder (2 a;2 b).

Description

Carding machine for producing a fibrous web from fibrous material

Technical Field

The invention relates to a carding machine for producing a fibrous web from fibrous material, comprising at least one cylinder which is mounted so as to be rotatable about a rotational axis, side guards which are arranged on both sides of the cylinder and are mounted fixedly on a frame, and at least one covering device which is arranged on the side of the cylinder. The invention further relates to such a carding machine, which also comprises a sliding cover plate, which is guided movably on or adjacent to the upper edge of the hood device.

Background

In textile technology, it is known to mount, on a side guard provided on the end face of a carding drum or cylinder, baffle elements in the form of inner covers, which can be made of hard plastic, wood, steel or aluminum, in spinning preparation machines (e.g. carding machines) for processing cotton, chemical fibers or the like. In order to fasten such an inner cover to the side guard of a machine, the conventional solution is to use a large number of parts, brackets and fastening attachments for this purpose. This results in the following disadvantages: such fastening is cumbersome and expensive in practical assembly.

Disclosure of Invention

Accordingly, the object of the present invention is to improve a spinning preparation machine or a web manufacturing machine in such a way that: adjacent to the end face of the associated carding drum, a cover or hood is provided in its lateral region and/or above, which is inexpensive and simple to handle.

The present invention solves the proposed task by means of a carding machine having the features specified in claims 1, 3 and 15. Advantageous developments of the invention are defined in the dependent claims.

The carding machine according to the invention is used for producing a fibrous web from fibrous material and comprises at least one cylinder which is arranged to be supported about a rotation axis. The carding machine further comprises side guards arranged on both sides of the cylinder and mounted on the frame in a fixed position, and at least one covering device arranged on the side of the cylinder.

The invention comprises the following technical teachings: the cover device is connected to the side guard by means of fastening means. The fastening device is embodied in the form of a rim, in this case, such that it extends at least along a ring-shaped section around the axis of rotation of the cylinder. The fastening means are preferably made of metal, for example of aluminium or stainless metal plate or stainless steel.

According to another embodiment, the invention comprises the following technical teachings: the cover device is composed of a plurality of planar sections which are annularly arranged around the rotation axis of the cylinder.

The invention is based on the following main recognition: as a result of the rim-like construction of the fastening device and the extension thereof at least along a ring-shaped section around the rotational axis of the cylinder, a covering device can be provided which can be easily and flexibly removed with a reduced number of associated parts. The fastening means may be cast onto the skirt or fastened to the skirt as a separate one-piece or multi-piece member. In this case, the advantage of a simplified assembly is also achieved in that the covering device is formed by a plurality of planar segments which are arranged annularly about the axis of rotation of the cylinder, in particular if these planar segments are each adapted to a rim-like fastening device adjacent thereto.

Furthermore, since the cover device is composed of a plurality of planar segments, the following advantages are achieved: for example, in the event of damage to the planar section and/or for the purpose of servicing the card, only certain planar sections can be removed. This enables simplified handling in the maintenance of the carding machine or repair of damaged planar sections of the hood device, compared to conventional hood devices which generally have a larger size or area. The rollers (cylinder, transfer or stripping rollers) are moved with the associated frame when the card is removed, and the associated elements of the hood can be moved together without removal. Then, only the covering element in which the roller or frame to be maintained is located needs to be disassembled.

In an advantageous embodiment of the invention, at least one recess is formed on the radially outer edge of the fastening device, the dimensions of which recess are adapted to the machine elements of the carding machine adjacent thereto. In this way, the fastening means can be made to "not block" such adjacent machine elements, but rather can be made to extend at least partially through the recess, if necessary. As a result, a space-saving connection of the hood device to the card-side guard is achieved by means of the fastening device.

Expediently, the cover device is connected to the associated fastening device by means of countersunk screws. The flat head of the countersunk head screw has the advantages that: the adjacent machine parts of the carding machine are thus not in contact with one another and no operational faults occur when the fibrous web is produced from fibrous material. In this case, it is also advantageous that no excessive accumulation or accumulation of fibrous material occurs on such a flat head of the countersunk screw.

According to an advantageous embodiment of the invention, the assembly of the rim-like fastening device on the side guard of the carding machine can be simplified or optimized by: the fastening device is composed of a plurality of ring segments, which are each connected to a side guard. Such an assembly of the ring segments on a skirt can be realized either at one end side of the cylinder, i.e. along an extension of the axis of rotation of the cylinder, or alternatively from a direction extending in the plane of the skirt.

According to an advantageous embodiment of the invention, the carding machine has a plurality of cylinders which are each arranged to be supported about a rotational axis, wherein each cylinder is assigned a cover device on one side, which is connected to the side guard of the respective cylinder by means of rim-like fastening devices. This brings the following advantages: even with a plurality of cylinders, the carding machine can be effectively isolated or encapsulated from the environment in order to effectively prevent, on the one hand, dirt from entering from the outside and, on the other hand, fibrous material from "flying" out of the machine area into the environment of the carding machine.

In an advantageous embodiment of the invention, it can be provided that the covering devices and/or their planar sections adjacent to one another are connected to one another along their edge regions. This achieves the advantage of not only improving the overall stability of a covering device of the type having a plurality of planar sections and/or a plurality of cylinders, which are each assigned to a carding machine and are adjacent to one another, but also of improving the tightness of the carding machine with respect to the environment.

According to the invention, the connection of the planar sections of one covering device adjacent to each other or of the planar sections of a different covering device adjacent to each other can be achieved by means of a connecting strip, in each case having notches formed on opposite sides of the connecting strip, into which edge regions of the planar sections of the covering device adjacent to each other can be inserted. In this case, the fit between the slot and the planar section has, on the one hand, a suitable interference dimension, so that a stable holding of the planar section in the slot is ensured. However, such clamping of the edge regions of the planar segments in the notches is only provided until a predetermined maximum force occurs, so that when such maximum force is exceeded, the edge regions of the planar segments may slip or move significantly in the notches of the connecting strip. In this way, overstretching with respect to one hood device and its planar section and/or with respect to a plurality of hood devices adjacent to one another can be effectively prevented.

In an advantageous embodiment of the invention, a compensation point can be provided between the respective planar sections of the covering device adjacent to one another on the end face of the cylinder. In this way, it is ensured that in the event of temperature changes, in particular, a length compensation between adjacent hood devices can be achieved, so that in the operation of the carding machine according to the invention, in the event of such temperature changes, excessive tensioning or even breaking of the hood devices and their planar sections does not occur.

In an advantageous embodiment of the invention, a sliding cover plate can be provided, which is guided displaceably on or adjacent to the horizontal upper edge of the covering device. The movable guiding of the sliding cover is achieved by a sliding system arranged between the upper edge of the covering device and the sliding cover, which sliding system has a clamping bar and a sliding bar. The clamping bar is fastened to the upper edge of the covering device, wherein the sliding bar is connected to the sliding cover and is in sliding contact with the clamping bar lying thereunder.

Another embodiment of the carding machine according to the invention comprises a sliding cover which is guided displaceably on or adjacent to the upper edge of the hood arrangement. This embodiment of the invention comprises the following technical teachings: the sliding system arranged between the upper edge of the cover device and the sliding cover plate is provided with a clamping strip and a sliding strip, wherein the clamping strip is fastened on the upper edge of the cover device, and wherein the sliding strip is connected with the sliding cover plate and is in sliding contact with the clamping strip located below the sliding strip.

Regarding the above sliding cover plate, it is to be noted separately: the connection of the cover device mounted in the side region of the carding machine to the outer cover of the carding machine is thereby achieved. In this connection, a complete coverage of the cylinder or cylinders of the carding machine according to the invention with respect to the environment and a complete coverage at the transition between the side area of the carding machine (and the cover means arranged there) and the upper side, which transition is covered over its width by the sliding cover plate, are thus achieved.

In an advantageous embodiment of the invention, the clamping bar can have an upwardly directed guide bar, wherein a guide groove is formed in the sliding bar on the side opposite the clamping bar, with which the guide bar of the clamping bar engages in a sliding manner. In this way, a translational relative movement between the covering device with the clamping bar fastened on the upper edge and the sliding cover plate connected to the sliding bar can be achieved with simple means.

Drawings

Other measures for improving the invention are explained in more detail below with the aid of the figures together with a description of a preferred embodiment of the invention.

In the figure:

FIG. 1 shows a schematic side view of a carding machine according to the invention;

FIG. 2 shows a schematic side view of a carding machine according to the invention, in which the associated cylinders and the frame means located between them are shown separated from each other for simplicity;

FIG. 3 shows a schematic side view of a hood device with respective associated planar sections, which is a component of the carding machine of FIG. 1;

FIG. 4 shows a schematic side view of a side guard of the cylinder of the carding machine of FIG. 1, including a work roller and a stripping roller;

FIG. 5 shows a perspective view of a side guard of the carding machine of FIG. 1 and a planar section of the hood device mounted on the side guard by means of a fastening device;

FIG. 6 shows a side view of the view of FIG. 5;

FIG. 7 shows a perspective view of a clamping plate for connecting mutually adjacent planar sections of a separate cover device of the card of FIG. 1;

FIG. 8 shows a cross-sectional view of the cleat of FIG. 7;

FIG. 9 shows a partial perspective view of a connecting strip for connecting adjacent planar sections of a cover device of the carding machine of FIG. 1;

FIG. 10 shows a partial perspective view of the attachment strip of FIG. 9 with the planar sections of the cover device of the card of FIG. 1 inserted into the slots of the attachment strip;

FIG. 11 shows a cross-sectional view of a sliding system for use in association with a sliding cover in the card of FIG. 1;

FIG. 12 shows a perspective view of the sliding system of FIG. 11;

FIG. 13 shows a schematic side view of the card of FIG. 1, illustrating the attachment of the attachment bar of FIG. 9/10 and the sliding system of FIG. 11/12 therein, and

FIG. 14 shows another schematic side view of the card of FIG. 1, showing the manner of action or assemblability of the slide system of FIG. 11/12.

Detailed Description

A preferred embodiment of a carding machine according to the invention for producing a fibrous web from fibrous material is described with reference to fig. 1 to 14. Like features in the drawings are provided with like reference numerals. It is to be understood that the figures are only shown simplified, in particular not to scale.

Fig. 1 shows a schematic simplified side view of a carding machine 1 according to the invention. The carding machine 1 comprises two rollers, namely a pre-carding cylinder 2a and a main cylinder 2b, which are each arranged supported about a rotation axis a. The two cylinders 2a, 2b are each provided in a known manner with a toothed clothing (not shown).

The carding machine 1 comprises a frame 3 on which a skirt 4 is fastened in a fixed position (see fig. 5). The side guards 4 are arranged on both sides of the cylinders 2a, 2b and serve for supporting the cylinders about the respective rotational axes a (see fig. 2).

Each of the two cylinders 2a, 2b is provided with a cover device. Here, the first cover device V1 assigned to the pre-comb cylinder 2a and the second cover device V2 assigned to the main cylinder 2b are divided in detail. The first and second cover devices V1, V2 are each connected to adjacent side guards 4 by fastening means B, as will be described in more detail below.

As regards the above-mentioned covering devices V1 and V2, it is to be noted here separately that they are arranged on both end sides of the associated cylinder 2a, 2b, i.e. starting from both sides, along the extension of the respective rotation axis a.

The respective fastening means B, which are preferably made of metal, for example aluminum, stainless metal sheet or stainless steel, with which the first or second covering means V1, V2 are connected to the associated side shield adjacent to the end sides of the pre-comb cylinder 2a and the main cylinder 2B, are embodied in the form of a rim, such that they extend at least along an annular section around the axis of rotation a of the respective cylinder 2a, 2B. This is illustrated by the side view of fig. 1. Alternatively, the fastening means B can also be made of plastic. The fastening means B may be cast onto the skirt or fastened to the skirt as a separate one-piece or multi-piece member.

Fig. 2 shows a further schematic simplified side view of a pre-carding cylinder 2a and a main cylinder 2b of the carding machine of fig. 1, now separately shown for better illustration, wherein between cylinders 2a, 2b and adjacent to them there is a frame arrangement (not marked in detail) for other machine elements of carding machine 1. It is evident that the covering devices V1, V2 are further arranged on the skirt of the cylinder and are moved apart together with the skirt. Thus, only the cover means is removable, and the associated rollers and frame must remain therein.

The rim-shaped fastening means B, which are each formed by a plurality of ring segments R, which are fastened or cast on the skirt 4, serve to connect the first covering device V1 or the second covering device V2 to the skirt 4 of the pre-comb cylinder 2a or the main cylinder 2B. In the side view of fig. 2, these ring segments for the first and second closure devices V1, V2 are labeled with "R" in some positions by way of example.

The first and second covering devices V1, V2 each consist of a plurality of planar segments F, which are annularly arranged about the axis of rotation a of the respective cylinder 2a, 2b. This is illustrated by the side view of the hood devices V1, V2 according to fig. 3. In detail, the first covering device V1 is composed of planar segments F1 and F2, wherein the second covering device V2 is composed of planar segments F4, F5 and F6.

The planar section F9 is in the middle between the pre-comb cylinder 2a and the main cylinder 2b. The planar sections F3, F7, F8 and F9 are assigned to transfer rollers or stripping rollers. Fig. 3 likewise shows the planar sections of the hood device (f1+f2; F3; F9; f4+f5+f6; F7; F8) which are separated from one another and which are assigned to the respective rollers and the frame.

The covering means V1, V2 may be made of a transparent plastic, for example of Polycarbonate (PC). This plastic type enables the view from the outside to the inside of the carding machine 1 on the basis of its transparency and also stands out with good impact resistance, whereby the risk of chipping or cracking of the planar segments constituting the hood devices V1, V2 is reduced or even eliminated. Alternatively, the covering means V1, V2 may also be made of wood, aluminum or another metal.

Fig. 4 shows again a side view of the pre-comb cylinder 2a and the main cylinder 2b of the carding machine of fig. 1 and shows the respective rotation axes a about which said cylinders 2a, 2b are arranged to be supported. It is understood that these axes of rotation a all extend perpendicular to the drawing plane.

Fig. 5 shows a perspective view of a section of the skirt 4, on which a ring section of the fastening device B is mounted, in order to thereby connect a planar section F of the covering device V1, V2 to the section. Further details of this are given in fig. 7, which shows the section of fig. 6. It can be seen that the ring segments of the fastening device B are fastened to the skirt 4 by means of a threaded connection (not shown in detail). Alternatively, the fastening means B can also be cast onto the skirt 4. It is emphasized for the planar section F that it is fastened to the fastening device B by means of the countersunk screws 8. Such a flat head of the countersunk head screw 8 is accommodated in a through-hole of the planar section F and is flush with the outer surface of the planar section, whereby the end side (as can be seen in fig. 6) of the adjacent machine element 7 of the carding machine 1 is at a small distance from the planar section F without contact taking place between said machine element 7 and the head of the countersunk head screw 8.

Fig. 5 also shows that a recess 6 is formed in the radially outer edge region 5 of the fastening device B. The recess 6 achieves the following objects: the machine element 7 of the carding machine 1 or the associated bearing can extend through this recess 6 without "blocking" the fastening device B or the associated ring segment R. In other words, the recess 6 enables the fastening device B or the associated ring segment R to be arranged close to the end side of the machine element 7 of the carding machine 1 and fastened to the side guard 4 on this end side without causing, for example, a collision with the bearing shaft or the like of the machine element 7.

The aforementioned recess 6 in the radially outer edge region 5 of the fastening means B also gives rise to the following advantages: the sections of the edge regions 5 adjacent to the recesses 6 can extend relatively far outwards from the associated skirt 4 in the radial direction (relative to the axis of rotation a of the cylinder) without interfering with the machine element 7 or its bearing elements. This simplifies the threaded connection of the planar sections F of the covering devices V1, V2 on the associated fastening device B and its ring segments.

As described above, the carding machine 1 according to the present invention includes the first cover device V1 and the second cover device V2. With reference to fig. 7 and 8, it is explained how the planar sections of the covering devices V1 and V2 adjacent to each other in the middle of the pre-comb cylinder 2a and the main cylinder 2b can be connected to each other.

Fig. 7 shows a perspective view of the clamping plate 13 together with the planar sections F of the covering devices V1 and V2 adjacent to one another, wherein fig. 8 shows a cross-sectional view through the clamping plate 13 and the planar section F that is intended to be connected.

The planar section shown on the left in fig. 8, which is a planar section F2 (see fig. 3), belongs to the first covering device V1 and is correspondingly denoted by "F (V1)". The planar section shown on the right in fig. 7, which is a planar section F5 (see fig. 3), belongs to the second covering device V2 and is correspondingly denoted by "F (V2)". This means that the two planar sections F2 and F5 are directly adjacent to one another in the assembled state of the two covering devices V1 and V2.

For connecting the adjacent planar sections F2 and F5, it is expedient to arrange their edge regions to overlap. In both of the planar sections F2 and F5, a through hole is formed, which is penetrated by a screw 14 (see fig. 8). For this purpose, a threaded bore is formed in the clamping plate 13, aligned with a through-hole in the planar section, into which the free end of the screw 14 can be screwed.

Fig. 7 and 8 each show a screwed state of the screw 14, in which the two planar sections F2 and F5 are screwed to one another and to the clamping plate 13.

The through-hole in the planar section F5 may be configured as a long hole 15 (see fig. 8), for example. It is thus possible to adjust the two planar sections F2 and F5 relative to one another before the screw 14 is screwed down, in order to be able to compensate for the length between the two planar sections F2 and F5 if necessary.

Thus, the clamping plate 13 can perform a dual function: it is possible to not only form the adjacent planar sections for connecting the respective hood devices V1, V2, but also to realize the function of compensating the position on the basis of the elongated holes formed in the edge region in at least one of the planar sections, in order to compensate for the length between the two hood devices V1, V2 if necessary.

The manner in which the clamping plate 13 is arranged between the planar sections F2 and F5 of the covering devices V1, V2 arranged next to one another can also be seen in the side view of fig. 3.

As described above, both the cover devices V1 and V2 are composed of a plurality of planar sections. With reference to fig. 9 and 10, it is then explained how the planar sections of a covering device can be connected to one another.

Fig. 9 shows a perspective view of a connecting strip 9 for connecting planar sections of a covering device V1, V2 to one another. For this purpose, the connecting strips 9 have notches 10 on opposite sides, respectively. In at least one of the notches 10, at least one projection 12 is formed outwardly on the inner surface 11.

Fig. 10 shows the connecting strip 9 of fig. 9, wherein two planar sections of a hood arrangement are fitted into the slot 10. The planar sections F1 and F2 of the first covering device V1 can be connected to one another, for example, by means of such a connecting strip 9, as is shown in fig. 10. The planar section F2 is accommodated in a firmly clamped manner in the associated slot 10 by the projection 12. Therefore, in view of the fact that the further recess 10 according to fig. 10, to which the planar section F1 is attached, is not provided with a projection on the inner surface 11, the planar section F1 is merely inserted into this recess 10, wherein the clamping "strength" of the edge region of the planar section F1 in the recess 10 is lower than the planar section F2, taking into account the projection 12. This results in that the planar segment F1 may move slightly within the associated slot 10, for example allowing tolerance or thermal expansion.

Alternatively to the embodiment of fig. 9, it is also possible to provide the aforementioned inner surfaces of the two notches 10 of the connecting strip 9 with projections 12, which may have different heights or dimensions in the respective notches, so that in this case the planar section F can also move slightly in the associated notch.

With regard to the aforementioned connecting strip 9, it is to be understood that all remaining planar sections, which are respectively adjacent to one another, can thereby also be connected to one another in the manner described, both in the first covering device V1 and in the second covering device V2. This also applies, with appropriate modifications, to the planar segment F9 connected to the planar segments F2 and F4 (refer to fig. 3).

When the cover device V1, V2 is fitted to the carding machine 1, said cover device has a horizontal upper edge 17 (see fig. 1). The card 1 comprises a sliding cover 16, which is guided movably along said horizontal upper edge 17. For this purpose a sliding system 18 is used, which is shown and described in detail later with reference to fig. 11 and 12.

Fig. 11 shows a cross-section through a sliding system 18 comprising a clamping bar 19 and a sliding bar 20. The clamping strip 19 is fastened to the horizontal upper edge 17 of the covering device V1, V2, i.e. to the associated planar section F. In view of the view of fig. 3, the clamping strip 19 can be fastened above on the planar section F2 of the first hood device V1 and in the same way on the planar sections F5, F6 of the second hood device V2. For this purpose, a slot (not shown in detail) of the clamping bar 19 is used, into which the upper edges of the planar sections F2, F5 and F6 are inserted. The clamping strip 19 has a guide web 21 on the region opposite the slot. The clamping strip 19 is fastened to the mentioned planar section in such a way that the guide strip 21 is oriented upwards. The mode of action of the guide strip 21 will be described separately.

The sliding bar 20 is fastened to the lower edge of the sliding cover plate 16. A guide groove is formed in the slide bar 20. As shown in fig. 11, the sliding bar 20 is mounted on the lower edge of the sliding cover 16 in such a way that the guide groove 21 points downward here.

The clamping bar 19 may be made of metal, for example an aluminium template. The slider 20 is preferably made of a low friction plastic material with good sliding properties. Accordingly, it is ensured that the guide bar 21 moves along the guide groove 22 or inside the guide groove 22 with low frictional resistance.

The basis of the manner of action of the aforesaid sliding system 18 is as follows: in the assembled state of the card 1, the guide bars 21 of the clamping bar 19 and the guide grooves 22 of the sliding bar 20 are slidingly engaged with each other, like a labyrinth seal. In particular, this means that the guide bar 21 engages from below into the guide groove 22, so that the sliding bar 20 is movable relative to the clamping bar 19. In this way, the sliding cover 16 can be moved along the horizontal upper edge 17 of the covering device V1, V2.

Fig. 13 and 14 show other side views of the card 1 according to the invention and illustrate the possible positions of the connecting strip of fig. 8 and 9 and the slide system 18 of fig. 11 and 12 that can be used.

In the side views of fig. 13 and 14, the boundary regions between the planar sections of the first or second hood device V1, V2 adjacent to one another are each provided with a hatching line which extends rectangularly along the edges of these boundary regions. For these boundary areas, it is to be understood that the connecting strip 9 of fig. 9/10 can be used there in order to connect the planar sections of the hood device to one another as described.

Furthermore, in the side views of fig. 13 and 14, the boundary region at the horizontal upper edge 17 of the hood arrangement is correspondingly provided with a hatching line which extends obliquely to the edge of the boundary region. This means that in this boundary region, i.e. on the horizontal upper edge 17 of the first and second hood means V1, V2, a sliding system 18 can be provided.

Finally, it should be pointed out that a chamfer 23 is provided outwardly on one end side for the guide groove 22 in the slide bar 20. This can be seen in addition to the view of fig. 14, in which a bottom view of the slider 20 is shown. These chamfers 23 widen the guide groove 22 on the end side of the slide bar 20 and thus facilitate guiding the tie bar 21 into the guide groove 22.

Chamfer 23 serves first of all the following purposes: the assembly of the sliding cover 16 and the sliding bar 20 fastened thereto on the horizontal upper edge 17 of the covering device V1, V2 is facilitated and also the movement of the sliding cover 16 along this horizontal upper edge 17 can be carried out in an operationally safe manner without the guide bar 21 being skewed or jammed with the guide groove 22 formed in the sliding bar 20.

By means of the invention, the inner cover of the carding machine 1, which is in the form of the first or second cover device V1, V2, is integrated or connected in a space-saving manner and in a simple manner with the corresponding side cover 4 of the carding machine 1.

List of reference numerals

1. Carding machine

2a Pre-comb Cylinder

2b main cylinder

3. Rack

4. Side guard board

5 (fastening means B) radially outer edge region

6 notch

Machine element of a card

8. Countersunk screw

9. Connecting strip

10 Notch of (connecting strip 9)

11 (notch 10) inner surface

12 Projections (on the inner surface 11 of the slot 10)

13. Clamping plate

14. Screw bolt

15. Long hole

16. Sliding cover plate

17 Horizontal upper edge (of the covering device V1)

18. Sliding system

19. Clamping strip

20. Sliding bar

21. Guiding connection strip

22. Guide groove

23. Chamfering tool

A rotating shaft

B fastening device

Planar section of Fi (cover device V)

R (fastening means B) ring segment (R)

V1 first cover device

V2 second cover device

Claims (16)

1. Carding machine (1) for producing a fibrous web from fibrous material, comprising at least one cylinder (2 a; 2B) arranged to be supported about a rotational axis (A), side guards (4) arranged on both sides of the cylinder (2 a; 2B) and mounted fixedly on a frame (3), and at least one covering device (V1; V2) arranged laterally to the cylinder (2 a; 2B), characterized in that the covering device (V1; V2) is connected to one side guard (4) by means of a fastening device (B), wherein the fastening device (B) is embodied in the form of a rim, such that it extends at least along an annular section about the rotational axis (A) of the cylinder (2 a; 2B).

2. Carding machine (1) according to claim 1, characterized in that the covering device (V1; V2) consists of a plurality of planar sections (F1-F9) which are arranged annularly about the axis of rotation (a) of the cylinder (2 a;2 b).

3. Carding machine (1) for producing fibrous webs from fibrous material, comprising at least one cylinder arranged to be supported about a rotational axis (A), side guards (4) arranged on both sides of the cylinder (2 a;2 b) and mounted fixedly on a frame (3), and at least one covering device (V1; V2) arranged on the side of the cylinder (2 a;2 b), characterized in that the covering device (V1; V2) is composed of a plurality of planar segments which are arranged annularly about the rotational axis (A) of the cylinder (2 a;2 b).

4. A carding machine (1) according to claim 3, wherein the covering device (V1; V2) is connected to a skirt (4) by means of a fastening device (B), wherein the fastening device (B) is configured in the shape of a rim such that it extends at least along an annular section around the axis of rotation (a) of the cylinder (2 a; 2B).

5. Carding machine (1) according to claim 1, 2 or 4, characterized in that at least one recess (6) is formed on the radially outer edge area of the fastening device (B), the dimensions of which recess are adapted to one machine element (7) of the carding machine (1).

6. Carding machine (1) according to claim 1 or 2 or according to one of claims 4 to 6, characterized in that the rim-like fastening means (B) consist of a plurality of ring segments (R) which are each connected to a skirt (4).

7. Carding machine (1) according to one of the preceding claims, characterized by a plurality of cylinders which are each arranged to be supported about a rotation axis (a), wherein each cylinder (2 a; 2B) is assigned a respective covering device (V1; V2) on one side, which covering device is connected to the side shield (4) of the respective cylinder (2 a; 2B) by means of rim-like fastening means (B).

8. Carding machine (1) according to one of claims 2 to 7, characterized in that the cover devices and/or the planar sections (F1-F9) of the cover devices adjacent to each other are connected to each other along the edge regions of the planar sections.

9. Carding machine (1) according to claim 8, characterized in that the edge areas of the mutually adjacent planar sections (F1-F9) of the covering device (V1; V2) are connected to each other by means of a connecting strip (9).

10. Carding machine (1) according to claim 9, wherein the connecting strips (9) have on opposite sides, respectively, notches (10) into which edge regions of the planar sections (F1-F9) of the covering device (V1; V2) adjacent to the connecting strips can be inserted.

11. Carding machine (1) according to claim 10, characterized in that at least one projection (12) is formed on the inner surface (11) of at least one slot (10) of the connecting strip (9), by means of which projection the clamping of the edge region of the planar section (F) of the covering device (V1; V2) within said slot (10) is achieved.

12. Carding machine (1) according to claim 8, characterized in that the edge regions of the cover devices adjacent to each other and/or of the planar sections (F1-F9) of the cover devices are arranged overlapping and are screwed to each other by means of clamping plates (13) extending along said edge regions, preferably that a slot (15) is formed at least in the edge regions of the planar sections penetrated by screws (14), with which length compensation between the planar sections (F1-F9) adjacent to each other can be achieved.

13. Carding machine (1) according to one of the preceding claims, characterized by a sliding cover (16) which is guided movably on or adjacent to a horizontal upper edge (17) of the covering device (V1; V2), and by a sliding system (18) which is arranged between the upper edge (17) of the covering device (V1; V2) and the sliding cover (16) and which has a clamping bar (19) and a sliding bar (20), wherein the clamping bar (19) is fastened on the upper edge (17) of the covering device (V1; V2), and wherein the sliding bar (20) is connected with the sliding cover (16) and is in sliding contact with the clamping bar (19) underneath the sliding bar.

14. Carding machine (1) according to one of the preceding claims, characterized by a fastening device (B) cast onto a skirt (4) or fastened to the skirt (4) as a separate one-piece or multi-piece component.

15. Carding machine (1) for producing a fibrous web from fibrous material, comprising at least one cylinder (2 a;2 b) arranged to be supported about a rotational axis (A), side guards (4) arranged on both sides of the cylinder (2 a;2 b) and fixedly mounted on a frame (3), at least one covering device (V1; V2) arranged laterally of the cylinder (2 a;2 b) and having a horizontal upper edge (17), and a sliding cover (16) which is movably guided on the horizontal upper edge (17) of the covering device (V1; V2) or adjacent to the upper edge, characterized by a sliding system (18) arranged between the upper edge (17) of the covering device (V1; V2) and the sliding cover (16), which sliding system has clamping strips (19) and sliding strips (20), wherein the clamping strips (19) are fastened on the upper edge (17) of the covering device (V1; V2), and wherein the sliding strips (20) are connected to the sliding cover (16) in a clamping manner.

16. Carding machine (1) according to claim 13 or 15, characterized in that the clamping bar (19) has an upwardly directed guide bar (21) and that a guide groove (22) is formed in the sliding bar (20) on the side opposite the clamping bar (19), with which guide groove the guide bar (21) of the clamping bar (19) is in sliding engagement, preferably a chamfer (23) being provided for the guide groove (22) on one end side of the sliding bar (20).