comber

Abstract

The invention relates to a combing machine which is designed for producing combed fibers using at least one combing head (20) with a feed device, wherein the combing head (20) has at least one feed roller (7) which is designed for delivering the interlaced fibers from the feed device to a nipper mechanism (5) which is designed for clamping the interlaced fibers, and at least one pair of separating rollers (10, 12; 11, 13) which are designed for separating the clamped fibers from the nipper mechanism (5), wherein each pair of separating rollers (10, 12; 11, 13) has a separating roller (10, 11) which is driven from both sides by means of a drive, wherein the separating roller (10, 11) driven from both sides has a separation position (35) or is designed from two separate sections, so that the separating roller (10, 11) can be driven in different directions of rotation on both sides. The invention is characterized in that the separation position (35) is designed in the region of a bearing point or the two separate sections are jointly supported in the region of a bearing point.

Description

Technical Field

[0001] The present invention relates to a combing machine according to the preamble of Embodiment 1. Background Technology

[0002] In traditional combing processes, such as the Hermann combing process, cotton is pulled off the lap and fed to a nipper by means of a feed roller. In the retracted position, the nipper is closed, and the front end section of the cotton, in the form of a tuft of fibers, extends from the nipper. The tuft of fibers extending from the nipper is combed out by a circular comb positioned below the nipper. The nipper is then moved to a forward-open position, where the separating roller, by rotating backward, feeds the previously combed tuft of fibers, with its rear end section, toward the front end section of the cotton held by the nipper. The tuft of fibers combed out from the circular comb is placed on the rear end section and pulled together with it into the clamping position of the separating roller, as the separating roller changes its rotation direction again. During this rotation, the rotation angle is approximately twice that of the previous backward rotation, at which point the tuft of fibers separates from the cotton in the nipper mechanism. In this case, the rear end of the separated tuft of fibers is pulled past the top comb.

[0003] In this configuration, the separating rollers perform a Pilgerschrittbewegung motion, in which, upon reversing their rotation, they bring back the ends of the fiber tufts pulled away in the previous combing cycle. The beginnings of the fiber tufts are placed on these ends, and after the rotation direction reverses, they are engaged by the pressure of the two separating rollers. In each combing cycle, the separating rollers must not only change their direction of motion twice, but the path of rotation on the return journey is also shorter than that on the forward journey. For this motion of the separating rollers, eccentric discs, cam discs, or cam grooves are often used, which are powerfully coupled to the movement of the calipers via a transmission mechanism. With the combing heads coupled by transmission technology side-by-side and the combing cycle exceeding 400 times per minute, this back-and-forth Pilgerschrittbewegung motion of the separating rollers places a very high load on the shaft, resulting in significant vibration of the combing machine and requiring a large amount of energy. The drive motor for the separating rollers must be highly efficient, and a powerful servo converter is also required to power the motor. The continuous acceleration and deceleration result in high power loss, which is reflected in the energy consumption of the combing machine. Furthermore, when the combing cycle exceeds 500 times per minute, the electric motor must be water-cooled. Therefore, the motor becomes very expensive.

[0004] Typically, the various components of a combing machine, such as the clamping mechanism, circular comb, and separating rollers, are driven by an interconnected motor-drive assembly located on one side of the combing machine, thus causing the shaft to twist accordingly along its drive length. This twisting of the shaft is undesirable because it leads to inaccuracies in feeding typically at least eight fiber slivers from the combing heads. To achieve higher productivity, the number of combing heads is increased, as the Pierce motion reaches its limit at approximately 700 cycles per minute. However, this further increases the torque in the drive shaft, as this torque must be applied for a longer period across 10 to 16 combing heads.

[0005] A combing machine is known from document EP 2397584 B1, in which two pairs of separating rollers are driven from both sides of the combing machine. Each of the driven separating rollers has a separate drive motor at its end; these drive motors are synchronized with each other but can be operated independently of the overall drive transmission mechanism of the combing machine. The torque of the separating rollers can therefore be significantly reduced, thereby also reducing the energy consumption of the combing machine.

[0006] It is also known that the separating roller is assembled from individual roller sections. Therefore, the manufacturing of a separating roller with a total length of 4 meters is cheaper and simplifies the assembly and support of the frame in the transverse supports set transversely to the longitudinal axis of the separating roller.

[0007] Although the drive motors are synchronized, they are not perfectly synchronized throughout the cycle. A time delay of several milliseconds is determined, causing each of the first motors in motion to drive against the torque of the second motor. This creates varying gaps in the drive assembly, further increasing the time delay. This becomes particularly noticeable when the direction of rotation changes, because the first motor in rotational motion heats up more intensely after the direction of rotation reverses and therefore must drive against the torque of the second motor, which has not yet reversed its direction of rotation. Summary of the Invention

[0008] Therefore, the object of the present invention is to improve a combing machine in such a way that the disadvantages of the drive scheme are eliminated and the assembly of the separating rollers is simplified.

[0009] The present invention solves the proposed task through a device having the features given in Embodiment 1. Advantageous further extensions of the invention are defined in the dependent embodiments.

[0010] This invention relates to a combing machine configured to produce combed fibers using at least one combing head with a feeding device. The feeding device may be configured as a support for a cotton lap or as a conveying device for fiber slivers placed in a sliver can. Here, the at least one combing head has at least one feed roller configured to convey interlocked fibers from the feeding device to a clamping mechanism. The clamping mechanism is configured to clamp the interlocked fibers. Downstream of the clamping mechanism, at least one pair of separating rollers is provided, configured to separate the clamped fibers from the clamping mechanism. Each pair of separating rollers has separating rollers driven from both sides by means of a driver.

[0011] This invention includes the following technical teaching: the at least one split roller driven from both sides has a separated position or is constructed of two separate segments, so that the split roller can be driven simultaneously from both sides in different rotational directions. By enabling the split roller to be driven from both sides and simultaneously in different rotational directions, torque modulation between the two drive motors is achieved, thus the split roller is not subjected to reverse torque. As a result, the drive motor consumes less energy and experiences less heat, thereby achieving a higher number of combing cycles during carding operations. The driving of the at least one split roller in different rotational directions also achieves the technical advantage that, in the case of multiple combing heads, the split roller can operate with different separation curves. This enables improved uniformity of fiber layer quality across all combing heads. For example, along the length of the comber, the at least one separate split roller can provide different sliver weights. Depending on the configuration of the comber, it is sufficient to construct only one driven split roller so that the split roller can operate in different rotational directions. Depending on the desired mode of operation, this can be a first or second split roller downstream of the clamping mechanism. In the combing scheme, the function of the second separating roller can be taken over by another element, such as a suction conveyor belt or roller. However, in the case of two pairs of separating rollers, the two separating rollers driven on both sides are usually constructed so that the separating rollers can operate simultaneously in different directions.

[0012] The at least one separating roller may have a split position, thus the separating roller is configured to be separated. Alternatively, the separating roller may consist of and be constructed of two separate sections. Each section of the separating roller is driven by a separate driver, so that the sections of the separating roller can operate simultaneously and independently of each other. For example, the first section of the separating roller, which is positioned at the combing head furthest from the drafting device, can operate with a different separation curve than the second section. Thus, for example, a slightly higher sliver count can be produced because these sliver counts undergo greater deformation over the longer transport distance to the drafting device.

[0013] If the sections of the separating rollers operate with different separating curves, it is preferable that the attached upper (non-driven) separating rollers are separated from the lower driven separating rollers. This minimizes wear on the separating rollers and avoids deformation of the fiber tufts and / or joined fiber fibers. However, the technical necessity of separating the upper separating rollers depends on the difference between the different separating curves.

[0014] The support portion can be constructed as a floating bearing, either by separating the sections within the support area or by having two separate sections jointly supported within the support area. The fixed bearings of the sections are then mounted on the frame of the comber in the area of ​​the drive motor. Thus, the connection between the two sections is no longer necessary, thereby simplifying the assembly of the comber.

[0015] The sections of the separating roller are connected in the separated region by bearing sleeves configured to allow for counter-rotation of the sections. The two sections or components of the separated separating roller are supported in a common bearing sleeve, which simplifies the structure and orientation of the sections relative to each other. Therefore, the separating roller has two separated sections, but these sections are axially aligned and supported on the bearing sleeves. Here, the two sections can be driven simultaneously and independently of each other in different directions of rotation.

[0016] Here, the head components or journals of adjacent sections of the separating rollers can be pushed into the bearing sleeve, where the head components or journals are supported by rolling bearings, preferably needle roller bearings.

[0017] The support portions of the separating positions or separated sections can be arranged symmetrically or asymmetrically between the combing heads. This leads to the possibility that groups of four, three, or five combing heads, or groups of two or six combing heads, operate with varying separation curves. In combing machines with more than eight, for example ten, twelve, or sixteen combing heads, this separation method can be meaningful.

[0018] The separating roller can have a number of roller segments, corresponding to the number of combing heads. Each combing head has a separate roller segment, and these roller segments are interconnected in the support area. This simplifies the axial orientation and support of the separating roller and reduces production and assembly costs. Each section of the separating roller can have at least one roller segment, preferably at least two roller segments.

[0019] The roller sections are preferably connected in the support area of ​​the separating rollers by means of threaded pins and threaded holes. A durable connection is achieved through threads or additional bonding, welding, or alternative fastening between the roller sections, thus these sections can be considered as a single unit. Centering is achieved by assembling bearing sleeves at the connection points.

[0020] If the combing machine has two pairs of separating rollers, it is preferable that only one driven separating roller is separated or comprises two sections. This is preferably the first separating roller, which is located downstream of the clamping mechanism, because this separating roller consumes the most energy due to the separating motion of the fiber tufts.

[0021] Preferably, the two driven separating rollers can have a separation position or be constructed of two separate sections, wherein not only the two driven separating rollers and / or their separate sections can be driven with different separation curves. Therefore, a smoothing motion (verschliffene Bewegung) between the separating rollers, but also across the width of the combing machine, is possible, thereby saving energy and potentially affecting sliver quality. Attached Figure Description

[0022] Furthermore, the following description of preferred embodiments of the invention, together with the accompanying drawings, presents measures to improve the invention in more detail.

[0023] In the picture:

[0024] Figure 1 A schematic side view of the combing head of a combing machine according to the prior art is shown;

[0025] Figure 2 A schematic diagram of the drive scheme for the separating rollers of a combing machine according to the prior art is shown;

[0026] Figure 3 A view of the separating roller according to the invention is shown;

[0027] Figure 3a An enlarged view showing the separation position of the separating roller. Detailed Implementation

[0028] The foregoing description of the solution according to the invention thus includes, in particular, various combinations of features defined by the subsequently numbered embodiments:

[0029] 1. A combing machine, the combing mechanism being configured to produce combed fibers using at least one combing head (20) having a feeding device, wherein the combing head (20) has at least one feed roller (7) configured to convey interlocked fibers from the feeding device to a clamping mechanism (5), the clamping mechanism being configured to clamp the interlocked fibers, and having at least one pair of separating rollers (10, 12; 11, 13) configured to separate the clamped fibers from the clamping mechanism (5), wherein each pair of separating rollers... Rollers (10, 12; 11, 13) have split rollers (10, 11) driven from both sides by means of a driver, wherein at least one split roller (10, 11) driven from both sides has a separation position (35) or the at least one split roller (10, 11) is constructed of two separate segments, such that the at least one split roller (10, 11) is driven from both sides in different directions of rotation, wherein the separation position (35) is constructed in the region of the support portion or the two separate segments are jointly supported in the region of the support portion.

[0030] 2. The combing machine according to embodiment 1, wherein a section of the at least one separating roller (10, 11) is connected in the region of the separating position (35) by means of a bearing sleeve (37), the bearing sleeve being configured to allow the section to rotate in the opposite direction.

[0031] 3. The combing machine according to embodiment 2, wherein the adjacent sections of the at least one separating roller (10, 11) are supported in a bearing sleeve (37) by means of rolling bearings (38, 39).

[0032] 4. The combing machine according to one of the above embodiments, wherein the partition position (35) or the support portion of the partitioned section is symmetrically or asymmetrically arranged between the combing heads.

[0033] 5. The combing machine according to one of the above embodiments, wherein the at least one separation roller (10, 11) is configured to operate with different separation curves.

[0034] 6. The combing machine according to embodiment 5, wherein the section configuration of the at least one separating roller (10, 11) is used to provide different sliver weights.

[0035] 7. The combing machine according to embodiment 5 or 6, wherein the upper separating roller (12, 13) associated with the at least one separating roller (10, 11) also has a corresponding separating position or is constructed of two separate corresponding segments.

[0036] 8. The combing machine according to one of the above embodiments, wherein the separating rollers (10, 11) include a certain number of roller sections (10a-10h; 11a-11h), the number corresponding to the number of combing heads.

[0037] 9. The combing machine according to embodiment 8, wherein the roller sections (10a-10h; 11a-11h) are connected by means of threaded pins and threaded holes in the region of the support portion of at least one separating roller (10, 11) and a bearing sleeve (36) is fitted at the connection position.

[0038] 10. The combing machine according to embodiment 9, wherein the roller sections (10a-10h; 11a-11h) are inseparably connected to each other in the area of ​​the support portion, particularly preferably bonded or welded.

[0039] 11. The combing machine according to one of the above embodiments, wherein only one of the two separating rollers (10, 11) has a separating position (35) or the at least one separating roller (10, 11) is constructed of two separated segments.

[0040] 12. The combing machine according to one of the above embodiments, wherein only the first separating roller (10) has a separating position (35) or is constructed of two separated sections.

[0041] 13. The combing machine according to one of the above embodiments, wherein the two separating rollers (10, 11) each have a separation position (35) or the two separating rollers (10, 11) are each constructed of two separated segments, and the two separating rollers (10, 11) and / or their separated segments are driven with different separation curves.

[0042] The following is for reference Figure 1 and Figure 2 Describe the existing technology and Figure 3 and Figure 3a The preferred embodiment of the combing machine according to the present invention is described herein. The same features are given the same reference numerals in the figures. It should be understood that the figures are shown in a simplified manner, and in particular are not shown to scale.

[0043] exist Figure 1The diagram illustrates a combing head 20 according to the prior art, wherein at least eight combing heads are mounted on a combing machine. For clarity, this embodiment is shown and described with only one combing head 20, wherein the details shown herein are mounted on each of these combing heads, except for a common drive unit and coiler. Furthermore, the combing head 20 includes two roll transport rollers 2, 3, on which a wad 1 having a bobbin is placed and a sliver 4 is unwound from the bobbin by a feed roller 7 due to tensile load. The roll transport rollers 2, 3 can be driven individually or together. The configuration of the roll transport rollers 2, 3, whether they are only rotating and not driven, or driven individually or together, is not important to the present invention.

[0044] The sliver 4 is transported to the feed roller 7 of the nipper mechanism 5. The nipper mechanism 5 is driven by a shaft 6, which is connected to a transmission mechanism 17, via a lever reciprocating motion. In the example shown, the nipper mechanism 5 is in a forward position and moves the combed fiber tufts to the downstream first pair of separating rollers 10, 12 in the fiber transport direction. A circular comb 8 is rotatably supported below the nipper mechanism 5 and combs out the fiber tufts transported by the closed nipper through its pin plate seat. The circular comb 8 is also driven by the transmission mechanism 17. A ratchet (not shown) is fixed to the feed roller 7 and rotates stepwise by a pawl (also not shown) due to the reciprocating motion of the nipper mechanism 5, thereby feeding the sliver 4 to the jaws of the nipper for combing. During operation, the sliver 4 is continuously unwound and reaches the feed roller 7 due to the rotational motion of the wad 1 through the wad transport rollers 2, 3. Next, for combing, the cotton is fed to the jaws of the nipper mechanism 5 via the cotton feed roller 7 and then to the first pair of separating rollers 10, 12 in the fiber transport direction. The fiber bundles delivered here are finally pulled over the top comb 9 and joined with the preceding fiber bundles. The resulting fiber layer 14 is transferred via the second pair of separating rollers 11, 13 in the fiber transport direction. The fiber layer 14 produced here consists of individual joined fiber bundles, which are pulled out from the bell mouth 15 by the sliver roller 16 and deformed into a fiber sliver 21, and are conveyed together with the fiber slivers formed similarly on other combing heads to the drafting mechanism (not shown). The fiber layer combed by the drafting mechanism combines into a fiber sliver, the so-called combed sliver, and is transferred to the coiler for coiling in the sliver can.

[0045] In the prior art, the clamping mechanism 5 moves to a forward, open position, where the separating rollers 10 and 12, by rotating backward, convey the previously combed fiber tufts, with their rearmost ends, toward the frontmost ends of the cotton clamped by the clamps. Here, separating rollers 11 and 13 perform the same movement, causing the fiber layer 14 to move slightly backward. The fiber tufts combed from the circular comb 8 are placed on the rearmost ends and pulled together with them into the clamping position of the separating rollers 10 and 12, as the separating rollers 10, 12, 11, and 13 change their rotation direction again. During this rotation, the rotation angle is approximately twice that of the previous backward rotation, at which point the fiber tufts separate from the cotton in the clamping mechanism 5. In this case, the rearmost ends of the separated fiber tufts are pulled past the top comb 9. In this configuration, the separating rollers 10, 12, 11, and 13 perform a Pierce motion, wherein these separating rollers, upon reversing their rotation, bring back the ends of the fiber tufts pulled away in the previous combing cycle. The beginnings of the fiber tufts are placed on these ends, and after the rotation direction is reversed, they are engaged by the pressure of the two separating rollers 10 and 12. In each combing cycle, the separating rollers 10, 12, 11, and 13 must not only change their direction of motion twice, but also rotate a shorter path on the return journey than on the forward journey. In the described embodiment, all components of the comber described herein are driven by a motor 18, wherein a complex transmission mechanism continuously moves the nipper mechanism 5, the circular and top combs 8 and 9, as well as the separating rollers 10-13 and the feed roller 7. Changes in the motion process presuppose continuous changes in the transmission mechanism 17, i.e., changes by means of changing gears. Furthermore, the production capacity of the comber can be adjusted by means of a controller 19.

[0046] Figure 2 This illustrates a prior art driving concept according to document EP 2397584 B1, according to which the driving of the lower separating rollers 10 and 11 is... Figure 1 The described drive concept for the combing machine is decoupled. Here, the separating rollers 10 and 11 are driven from both sides by separate drive motors 29 and 30, respectively. (As in...) Figure 2As shown, a transmission mechanism 24 is arranged longitudinally at each end of the combing machine. Shafts 25 and 26 of the separating rollers 10 and 11 are arranged parallel to each other in the transmission mechanism housing 24. The ends of shafts 25 and 26 extend into and are supported in the transmission mechanism housing 24. Gears 27 and 28 are fixed to the ends of shafts 25 or 26 to rotate integrally with shafts 25 and 26. Gears 27 and 28 are configured to have the same number of teeth and the same diameter. Two drive motors 29 and 30, configured as servo motors, are mounted on each transmission mechanism 24 to drive shafts 25 or 26. Drive motors 29 and 30 have motor shafts 29a and 30a, respectively extending into the transmission mechanism housing 24. Drive gears 31 and 32 are fixed to motor shafts 29a and 30a to rotate integrally with these motor shafts. Drive gears 31 and 32 are configured to have the same number of teeth and the same diameter as gears 27 and 28. Each transmission mechanism 24 has an intermediate gear 33 that meshes with gear 27 and drive gear 31. An intermediate gear 34 meshes with gear 28 and drive gear 32. The intermediate gears 33 and 34 are constructed such that they have the same number of teeth and the same diameter. That is, shafts 25 and 26 are driven by a transmission chain between motor shafts 29a and 30a and shafts 25 and 26, and this transmission chain includes intermediate gears 33 and 34. Shafts 25 and 26 rotate with motor shaft 29a or motor shaft 30a at a 1:1 speed ratio. Drive motors 29 and 30 are synchronously driven by a controller (not shown) to rotate in either a forward or backward direction.

[0047] Shaft 25 is driven by two drive motors 29 at its two axial ends. Similarly, shaft 26 is driven by two drive motors 30 at its two axial ends. The drive motors 29 and 30 drive each other synchronously, thus driving shafts 25 and 26 synchronously. In other words, the two shafts 25 and 26 are driven by four motors. Therefore, when using motors of the same power, the separation rollers 10 and 11 can be driven with twice the torque of the prior art. Because shafts 25 and 26 pivot forward and backward continuously at high speeds (e.g., 300 / min), shafts 25 and 26 have greater torque than when shafts 25 and 26 rotate in one direction at a constant speed. However, since the two ends of shafts 25 and 26 are driven by drive motors 29 and 30 respectively, the torque is one-quarter of the torque generated in a structure where shafts 25 and 26 are driven only on one side.

[0048] Although drive motors 29 and 30 are synchronized, they are not completely synchronized. A time delay of several milliseconds causes the first drive motor in motion to drive against the torque of the second drive motor. This creates varying clearances in the drive assembly, further increasing the time delay. This becomes particularly noticeable when the rotational direction changes, because the first drive motor, after reversing its rotational direction, heats up more intensely and therefore must drive against the torque of the second drive motor, which has not yet reversed its rotational direction.

[0049] According to the present invention, the separating rollers 10 and 11 are separated either centrally or off-center. Therefore, drive motors 29 and 30 drive the separating rollers 10 and 11 for, for example, four combing heads each in the case of an eight-head machine, six combing heads each in the case of a twelve-head machine, or eight combing heads each in the case of a sixteen-head machine. Asymmetrical separation of the separating rollers 10 and 11 is also possible, for example, configured for separation of one and seven combing heads, two and six combing heads, or three and five combing heads.

[0050] exist Figure 3 and Figure 3a The top view partially shows two lower separating rollers 10, 11. For example, separating rollers 10, 11 correspond to an embodiment for eight combing heads, with a separating position 35 located in the support area between the fourth and fifth combing heads. Depending on the number of combing heads, each separating roller 10, 11 consists of the same number of individual roller segments, which are threaded together by means of unmarked threaded pins and threaded holes and permanently connected using adhesive. Thus, for example, the third roller segment 10c of the third combing head is connected to the fourth roller segment 10d by a threaded pin in a threaded hole. Permanent fixation is achieved through threaded bonding. During the assembly of roller segments 10c and 10d, a bearing sleeve 36 is simultaneously pulled to the connection position, which is supported in the comber's bracket between the combing heads. This is typically done using two adjacent roller segments until the entire separating roller 10 or separating roller 11 is assembled. In the described embodiment, the separating rollers 10 and 11 are separated by four and five sections respectively, in the case of eight combing heads. The left and right sides of the separating position 35 thus form two segments of the separating rollers 10 and 11, which can be driven in opposite directions of rotation. At the separating position 35, the two roller segments 10d and 10e or the two roller segments 11d and 11e are also connected by means of a bearing sleeve 37. The head component or journal is supported within the bearing sleeve 37 in rolling bearings 38 and 39, which can be constructed as needle roller bearings.

[0051] Therefore, the continuous roller sections 10a to 10d and 11a to 11d can be twisted relative to each other within any range at the separating position 35 for other continuous roller sections 10e to 10h and 11e to 11h without applying a reverse torque to the roller sections. The separating position 35 is configured to accommodate any twisting of the roller sections, allowing the two parts of the separating roller to operate with different separation curves. In the case of a through separating roller with drives on both sides, if the drive motor is connected with a right-hand thread on one side and a left-hand thread on the other, the connection may become loose during asynchronous drive motor operation. This loosening is prevented by the shaft separator.

[0052] By separating the lower separating rollers 10 and 11, torque regulation is achieved on both sides of the drive motors 29 and 30, as the motors no longer interact even during the short time delays in the transmission mechanism's gaps and synchronization. This avoids torque in the separating rollers 10 and 11 and reduces energy consumption by the drive motors 29 and 30. The overall power of the comber is reduced, and the drive motors 29 and 30 are heated less, thus allowing for a higher number of combing cycles in continuous operation. The reduced torque on the separating rollers results in lower deviations between the combing heads, leading to better or more uniform fiber layer quality across all combing heads. The CV value of the combed sliver becomes more uniform across all combing heads, thereby improving yarn quality, for example, through increased yarn evenness. The achievable improvement depends on the load acting on the separating rollers. The load varies with the number of combing heads, the separation curve used, the adjusted number of combing cycles, and the compression of the upper separating rollers 12 and 13. The higher the load, the greater the positive effect obtained by utilizing the separation rollers.

[0053] Figure 3 and Figure 3a The embodiments described herein specify two driven separation rollers 10 and 11, each driven by a separate drive motor. Since the separation roller 10, which is assigned to the closest clamping mechanism 5, must achieve the maximum drive load, energy savings are achieved when only the separation roller 10 is separated. A second separation roller 11, which can be driven using a different rotation curve, can be constructed as a through separation roller 11, as in the prior art.

[0054] Alternatively, the second separating roller pair 11 can be driven with a different rotational curve than the first separating roller pair 10, thereby producing the same energy-saving smoothing motion.

[0055] Conversely, only the second separating roller 11 can be separated. The separating roller can then be driven differently on each roller segment of the separating roller 11.

[0056] When separating rollers 10 and 11, it is possible, for example, to produce higher sliver counts in the downstream slivers, because these slivers undergo greater deformation during their transport to the drafting unit.

[0057] The separation of separating rollers 10 and 11 enables the driving of different areas of the combing machine, such as four combing heads with different separation curves, to achieve an optimal balance between fiber layer quality and energy consumption. In particular, since the fiber sliver 21 produced from the combing head furthest from the drafting unit enters the drafting unit with greater deformation, the separate separating rollers 10e to 10h and separating rollers 11e to 11h can operate at different curves for these combing heads.

[0058] If the separating rollers 10 and 11 operate with different separation curves across the width of the combing machine, then optionally, the upper non-driven separating rollers 12 and 13 must also be implemented with the same indexing or separation, otherwise increased wear of the separating rollers 10, 11, 12, and 13 and deformation between the lower separating rollers 10 and 11 and the upper separating rollers 12 and 13 may occur.

[0059] Of course, eccentric separation of separating rollers 10 and 11 is also possible. Regardless of the embodiment described, combing machines with only one separating roller are known, where the joining process takes place on a suction conveyor belt or rollers. The separating rollers, when driven from both sides, can also be separated in the middle or off-center.

[0060] Figure label:

[0061] 1 cotton roll

[0062] 2 rolls of transport rollers

[0063] 3 rolls of transport rollers

[0064] 4 tampons

[0065] 5 clamp mechanism

[0066] 6-axis

[0067] 7. Cotton Roller

[0068] 8 round combs

[0069] 9-top comb

[0070] 10 First separation roller

[0071] 10a-10h Lola section

[0072] 11 Second lower separation roller

[0073] 11a-11h Lola section

[0074] 12 First upper separation roller

[0075] 13 Second upper separation roller

[0076] 14 fiber layers

[0077] 15-inch bell

[0078] 16 Laura

[0079] 17 Transmission Mechanism

[0080] 18 motors

[0081] 19 Control Devices

[0082] 20 combed hair

[0083] 21 fiber strips

[0084] 24 Transmission Mechanism

[0085] 25 axis

[0086] 26-axis

[0087] 27 gears

[0088] 28 gears

[0089] 29 drive motors

[0090] 29a motor shaft

[0091] 30 drive motors

[0092] 30a motor shaft

[0093] 31 drive gears

[0094] 32 drive gears

[0095] 33 intermediate gear

[0096] 34 intermediate gears

[0097] 35-space divider

[0098] 36 bearing sleeve

[0099] 37 bearing sleeve

[0100] 38 rolling bearing

[0101] 39 rolling bearing

Claims

1. A combing machine, said combing mechanism being configured to produce combed fibers using at least one combing head (20) having a feeding device, wherein, The combing head (20) has at least one feed roller (7) configured to convey interlocked fibers from the feeding device to a clamping mechanism (5) configured to clamp the interlocked fibers, and has at least one pair of separation rollers (10, 12; 11, 13) configured to separate the clamped fibers from the clamping mechanism (5), wherein at least one separation roller (10, 11) has a separation position (35) or the at least one separation roller (10, 11) is constructed of two separated sections, characterized in that each pair of separation rollers (10, 12; 11, 13) has a separation roller (10, 11) driven from both sides by means of a driver, wherein the separation position (35) is constructed in the region of the support portion for adjusting any twisting of the roller section, or the two separated sections are jointly supported in the region of the support portion, so that each section of the separation roller can operate simultaneously and independently of each other.

2. The combing machine according to claim 1, characterized in that, The segments of the at least one separating roller (10, 11) are connected in the region of the separating position (35) by means of a bearing sleeve (37), the bearing sleeve being configured to allow the segment to rotate in the opposite direction.

3. The combing machine according to claim 2, characterized in that, The adjacent sections of the at least one separating roller (10, 11) are supported in a bearing sleeve (37) by means of rolling bearings (38, 39).

4. The combing machine according to claim 1, characterized in that, The dividing positions (35) or the support portions of the separated sections are symmetrically or asymmetrically arranged between the comb heads.

5. The combing machine according to claim 2, characterized in that, The dividing positions (35) or the support portions of the separated sections are symmetrically or asymmetrically arranged between the comb heads.

6. The combing machine according to claim 3, characterized in that, The dividing positions (35) or the support portions of the separated sections are symmetrically or asymmetrically arranged between the comb heads.

7. The combing machine according to claim 1, characterized in that, The upper separating rollers (12, 13) associated with the at least one separating roller (10, 11) also have corresponding separating positions or are constructed of two separate corresponding segments.

8. The combing machine according to any one of claims 1-7, characterized in that, The separating rollers (10, 11) include a certain number of roller segments (10a-10h; 11a-11h), which corresponds to the number of comb heads.

9. The combing machine according to claim 8, characterized in that, The roller sections (10a-10h; 11a-11h) are connected in the region of the support portion of at least one separating roller (10, 11) by means of threaded pins and threaded holes and are fitted with bearing sleeves (36) at the connection position.

10. The combing machine according to claim 9, characterized in that, The roller sections (10a-10h; 11a-11h) are non-detachably connected to each other in the area of ​​the support.

11. The combing machine according to claim 9, characterized in that, The roller sections (10a-10h; 11a-11h) are non-detachably bonded or welded to each other in the area of ​​the support.

12. The combing machine according to any one of claims 1-7, 9-11, characterized in that, Only one of the two separating rollers (10, 11) has a separating position (35) or the at least one separating roller (10, 11) is constructed of two separate segments.

13. The combing machine according to any one of claims 1-7, 9-11, characterized in that, Only the first separating roller (10) has a separating position (35) or is constructed of two separate segments.

14. The combing machine according to any one of claims 1-7, 9-11, characterized in that, Both separation rollers (10, 11) have a separation position (35) or both separation rollers (10, 11) are constructed of two separate segments, and the two separation rollers (10, 11) and / or their separate segments are driven by different separation curves.

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