EP2108720A1 - Dispositif de formation d'une nappe de fibres peignées - Google Patents

Dispositif de formation d'une nappe de fibres peignées Download PDF

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Publication number
EP2108720A1
EP2108720A1 EP09003343A EP09003343A EP2108720A1 EP 2108720 A1 EP2108720 A1 EP 2108720A1 EP 09003343 A EP09003343 A EP 09003343A EP 09003343 A EP09003343 A EP 09003343A EP 2108720 A1 EP2108720 A1 EP 2108720A1
Authority
EP
European Patent Office
Prior art keywords
coupling
drive
comb
combing
fiber material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09003343A
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German (de)
English (en)
Other versions
EP2108720B1 (fr
Inventor
Daniel Sommer
Ueli Stutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP2108720A1 publication Critical patent/EP2108720A1/fr
Application granted granted Critical
Publication of EP2108720B1 publication Critical patent/EP2108720B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/26—Driving arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/08—Feeding apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G19/00—Combing machines
    • D01G19/06—Details
    • D01G19/28—Air draught or like pneumatic arrangements

Definitions

  • the invention relates to a device for forming a combed nonwoven fabric from a fiber material according to the preamble of claim 1.
  • the Heilmann principle which was already developed by Heilmann in 1845, whereby a tear-off roller interacts with a tear-off segment of a circular comb to form a nip line for the tear-off process, is not suitable in the design developed at that time for today's high comb combos and large watt thicknesses.
  • attempts have been made by the displacement of the tear-off roller in the direction of the forceps, or by changing the position of the fixed comb, to create modified devices according to the Heilmann principle, by which an improved higher efficiency of Machine should be achieved.
  • the fixing comb between the pliers and the tear-off roller can be arranged to be movable.
  • this movement must be matched exactly to the feeding of new fiber material for achieving optimum combing work and an optimized tear-off process.
  • the top comb and the feed roller were usually driven independently of each other.
  • the invention is therefore based on the object to propose a device for forming a combed nonwoven fabric with high Kammspiellibrary, which ensures on the basis of Heilmann principle with a fixed distance between the nipper unit and the Abreisswalze an exact match between a moving crest and the supply of fiber material becomes.
  • This object is achieved by proposing that the feed roller and the fixed comb are driven by a common drive means, which is in communication with a drive, wherein the drive elements of the feed roller are directly coupled to the drive elements for the fixed comb.
  • the claimed direct coupling of the drive elements of the feed roller and the fixed comb ensures that their movement is exactly matched. This is particularly important when working with a device according to the Heilmann principle, where no space for uncontrolled movements at high Kammspielbread is allowed.
  • independent Drives for the feed eg the or the feed roller
  • the coordination of the motion sequences to each other is sometimes very expensive and difficult to produce, as well as different manufacturing tolerances are taken into account. This is especially useful when the motion sequences of several co-operating combing heads with pliers units have to be coordinated with each other.
  • the drive elements of the supply means are in drive connection with the drive means. This means that the drive from the drive means via the drive elements, which are provided for driving the feed roller is removed, while the drive for the top comb via other drive elements, which are in driving connection with the drive elements for the feed means, or with these are coupled.
  • the drive elements for the feed means consist of a coupling gear which is in drive connection with a cam mechanism.
  • the movement sequence for the feed and the movement of the fixed comb can be optimally adjusted.
  • the drive elements for the movement of the fixed comb are formed from a coupling mechanism, wherein the pivot axis of a coupling of this coupling gear is mounted on a coupling of the coupling gear of the feeding means.
  • At least one coupling of the linkage for the fixed comb in length by adjusting elements is adjustable.
  • the fixed comb can be mounted to perform the horizontal movement about a pivot axis mounted in the machine frame.
  • the curve of the cam gear is rotatably mounted on a drive shaft which extends parallel to the drive shaft of the circular comb.
  • the curve of the cam gear is rotatably mounted directly on the drive shaft of the circular comb. This can save the installation of an additional drive shaft. In some cases, however, the attachment of an additional shaft is required if good accessibility for adjustment purposes is necessary.
  • a plurality of nipper units with correspondingly assigned round ridges and nonwoven fabric forming devices are arranged side by side, which are at least partially driven by common drive shafts and with the inventive coupling of the drive elements of the feed with the drive elements for the fixed comb.
  • Fig.1 shows a nipper unit 1 (in short: pliers called) a comber, which is provided with a substantially stationary lower pliers plate 2 and with a movably mounted pliers 3.
  • the forceps knife 3 is attached to an arm 23 which is pivotally mounted about an axis 4 which is fixedly mounted in the machine frame or, as shown, on the lower tong plate 2.
  • the pliers is closed, wherein the pliers blade 3 forms a terminal point KZ for clamping a cotton wool W with the lower pliers plate 2.
  • the cotton W can z. B. consist of a wadding, which is unrolled by a wadding not shown in detail.
  • the cotton wool W consists of one or more fiber slivers supplied side by side. If slivers are used, they are supplied from cans, which are stored in the combing machine.
  • the present example shows only one combing head. As a rule, however, a large number of such combing heads is arranged next to one another on a combing machine.
  • the cotton wool W is fed to the tongs 1 of the clamping point KZ via a feed roller 5 which is rotatably mounted in the tongs 1 and driven intermittently.
  • the feed roller 5 has in the present example a freewheel F not shown in detail, which is actuated via the lever 10 of a linkage 11. That is, as soon as the lever 10 is pivoted counterclockwise (arrow direction) about the rotation axis 7, the feed roller 5 is taken over not shown in a clamping position roller body of the freewheel F and rotated. When the lever 10 moves in the clockwise direction, the clamping action of the rolling body is released, whereby no entrainment of the feed roller 5 via the freewheel F takes place.
  • Such freewheels are state of the art, embodiments of the pertinent Specialist literature (eg the paperback for mechanical engineering "Dubbel”) can be taken.
  • the coupling mechanism 11 consists of the already described lever 10 of the freewheel F, the coupling 35 and the lever 36.
  • the lever 10 is rotatably connected via the pivot axis 38 with the coupling 35, which in turn rotatably connected via the pivot axis 40 with the lever 36 is.
  • the lever 36 is formed as a two-armed lever and is pivotally mounted about the axis of rotation 41, which is fixedly secured to the machine frame.
  • a roller 43 is rotatably mounted on an axle 42 mounted on the lever 36.
  • On the free end of the lever 36 in the region of the axis of rotation 41 acts a compression spring E, which is supported on a position of the machine frame MS.
  • a cam KS is arranged to rotate about a shaft 22. Under the action of the spring E, the roller 43 rests on the outer contour AK of the cam KS.
  • the shaft 22, on which the cam disc KV is secured against rotation is connected via the schematically shown connection 45 to the drive A1.
  • the shaft 22, or the cam KS is driven directly by a separate single drive motor.
  • the cam KS mount directly on the circular comb axis 17 rotationally fixed, whereby no separate shaft 22 would be necessary.
  • such an arrangement would limit accessibility for adjustment purposes.
  • the cam plate KS has an outer contour with different radii (for example R1, R2) formed in accordance with the desired amount of food and time of eating, whereby a pivoting movement is imparted to the lever 36 about the rotation axis 41 via the roller 43. As a result, 35 is moved via the coupling 36 connected to the lever and thus also the lever 10 is pivoted about the axis 7.
  • an adjusting element 34 is additionally attached, via which the length of the coupling 35 is adjustable. Also on the coupling 13 an adjusting element 28 is provided to adjust the length of this coupling 13. With these adjusting devices, the device can be optimally adjusted and any tolerances are compensated.
  • pivot axes 9 and 41 perform adjustable in their position to the machine frame MS.
  • cam KS could be carried out in relation to the rotation angle of the shaft 22 adjustable.
  • the axis 17 of a combing cylinder 16 arranged below the pliers 1 is driven via a drive A1 shown schematically, the drive A1 being connected via the line 18 to the control unit ST.
  • the combing cylinder 16 has distributed on its circumference in each case a combing segment 19 and a tear-off segment 20. Free spaces F1, F2 are present between these segments 19, 20.
  • the combing segment 19 is z. B. from several consecutively arranged Kämmgarnuren. The Kämmgarnuren can be designed differently.
  • the pivot axis 9 is, as schematically indicated fix fixed to the machine frame MS.
  • a web-forming device 30 is arranged in the area of the enveloping circle HK of the combing cylinder 16 and below the tear-off roller 24, a web-forming device 30 is arranged.
  • This device 30 is at least partially sealed off by a casing 31 with respect to the ambient air.
  • this casing seals off the delivery area AB for the withdrawing fiber package from the ambient air.
  • a screen drum 33 is rotatably mounted within this casing.
  • the interior IR of the screen drum 33 is connected to a vacuum shaft 38, wherein a valve 39 is provided for controlling this connection, which is connected via the line 40 to the controller ST in connection.
  • a stationary attached cover member 42 is disposed in the interior of the screen drum 33, which, in particular in the region of a removal device 44, the inner space of the screen drum 33 under negative pressure seals off from the outside environment. This serves in particular to support the detachment of the fiber fleece V by the removal device from the outer circumference of the screen drum 33.
  • the removal device 44 is z. B. of two cooperating rollers W1, W2, which deliver the discharged nonwoven fabric V to a non-illustrated Tricht funnel, in which a sliver is formed.
  • This sliver (also called combing machine belt) is z. B. delivered to a table and transferred with other slivers adjacent combing heads to a subsequent drafting system.
  • a circumferential additional cylinder which is provided with corresponding openings.
  • Such an embodiment may, for example, from the publication of W02006 / 012758 A1 be removed.
  • a flap 26 is pivotally mounted about an axis of rotation 27.
  • the axis of rotation 27 is stationary mounted in the machine frame.
  • the flap 26 has the task of influencing the direction of the fiber material flow.
  • a suction channel 50 is mounted, which is in communication with a vacuum source, not shown, and on which the combed out Material (such as short fibers, or noils, soiling, nits, etc.) is transferred to a collection point.
  • the pliers In the in Fig. 1 shown position, the pliers is closed, wherein the projecting beyond the nip KZ of the pliers end of the cotton wool W (also called fiber tuft FB) is detected and combed out of the combing segment 19 of the combing cylinder 16.
  • the combed material is fed to a suction channel 50, which further promotes this to a collection point, not shown.
  • the flap 26 is pivoted about the pivot axis 27 in the direction of the screen drum 33 and prevents combed material from reaching the screen drum 33.
  • the Fixkamm 8, or its clothing 8a is located near the terminal point KZ and still outside the tuft FB.
  • the cam KS is shaped such that the roller 43 rolls over a certain time interval on the outer contour AK of the revolving cam KS, which is provided with a, over a range remaining constant radius R1. As a result, the roller 43 remains in its position, whereby the coupling mechanism is not moved and thus the feed roller performs no rotational movement.
  • the nip KZ of the pliers 1 Upon further rotation of the combing cylinder 16, the nip KZ of the pliers 1 enters the region of the free space F1.
  • the forceps opens, the forceps knife 3 is pivoted about the arm 23 about the axis 4.
  • This pivoting movement takes place via a pivot mechanism not shown in detail, which is controlled in dependence on the angle of rotation of the combing cylinder 16.
  • the take-off roll 24 is moved in the direction of the combing cylinder 16 via a controlled mechanism (not shown) and then comes to rest on the outer surface 21 of the tear-off segment 20, as in FIG Fig.2 will be shown. In this case also reaches the front end of the combed fiber tuft FB in nip KA between the take-off roll 24 and the tear-off 20.
  • the take-off roll 24 is under the action of a pressure medium D shown schematically with a compressive force on the tear-off.
  • a pressure medium D shown schematically with a compressive force on the tear-off.
  • the coupling 35 By pivoting the lever 36, the coupling 35 is displaced over the axis 40, which in turn pivots about the pivot axis 38, the lever 10 about the rotation axis 7 in a counterclockwise direction.
  • the rollers of the freewheel F take a clamping position and thus rotate the feed roller 5, whereby the supply, or feeding of the cotton W by a certain amount in the direction of the open nip KZ of the pliers 1 and in the direction of the tear-off roller 24th he follows.
  • the torn-off fiber packet is brought in the discharge area AB with the support of built-up within the drum 33 negative pressure in partial overlap (soldering) with the end of the VE already located on the screen drum 33 fiber fleece V.
  • the flap 26 was pivoted before the tearing off about the pivot axis 27 via a device not shown in detail in a position close to the enveloping circle HK of the combing cylinder 16, as in Fig. 2 can be seen. Further details regarding the transfer of the broken fiber packet to the screen drum 33 may, for example, from the publication of WO 2006/012758 A1 be removed.
  • the nonwoven fabric forming device 30 is provided with a shutter 31.
  • the fiber fleece V formed on the jacket 33a of the screen drum 33 is fed by the rotary movement of the screen drum 33 to a removal device 44 which consists of two parallel spaced and driven rollers W1 and W2.
  • the nonwoven fabric removed between the rolls W1, W2 is transferred, for example, to a subsequent fleece funnel, which combines the nonwoven fabric into a fiber sliver.
  • the sliver thus formed may then be transferred together with other slivers formed on adjacent combing heads to a common drafting unit where a single combing belt is formed.
  • the tear-off roller 24 After completion of the tearing off the tear-off roller 24 is lifted against the force of the pressure means D again via a mechanism, not shown, from the tear-off segment 20. At the same time, the closing process of the pliers 1 by lowering the pliers blade 3 about the axis 4 starts.
  • the Fixkammgarnitur 8a is pivoted in the direction of the forceps 1 until they again in Fig.1 shown location occupies.
  • the tuft superior tuft is pressed down again and passes out of the effective range of Fixkammgarnitur 8a.
  • This process is then still supported when the tuft passes into the region of the free space F2, before it is subsequently detected by the clothing of the combing segment 19.
  • the flap 26 was again pivoted to the position in Fig.1 is shown. This is followed by another combing cycle as already described above.
  • the device can be optimally adjusted to the desired tear-off and combing process via various adjusting elements (28, 34, KS).
  • various adjusting elements 28, 34, KS.
  • Fig. 2 is a further embodiment in dashed lines schematically indicated, wherein the cam KS 'on which a roller 43' is guided, is mounted directly on the circular comb axis 17. This saves the additional attachment of a shaft 22. However, the attachment and accessibility of the transmission elements of the roller 43 'to the pivot axis 38 of the lever is somewhat more complicated than the previously described embodiment.
  • Fig. 3 shows essentially a variant embodiment of the embodiment of Fig.1 , wherein the arm 12 of the fixed comb 8 via the coupling 37 and via the lever 36 and the roller 43 is directly in driving connection with the cam KS.
  • the lever 37 is connected via the pivot axis 40 with the lever 36.
  • the axis 40 can be changed to 40a or 40b for adjustment purposes.
  • the drive of the feed roller 5 via the web 47 which is fixedly connected to the coupling 37.
  • a lever 46 is rotatably mounted on the axis 48, which is at the opposite end on the pivot axis 38 with the lever 10 of a freewheel F in combination.
  • the supply of the dining amount after the forceps is open and while the fix comb moves in the direction of the take-off roll 24 takes place.
  • the cam KS rotates from the in Figure 3 shown position in the clockwise direction, so that the roller 43 passes into the region with the radius R2, which is greater than R1.
  • the lever 36 is pivoted about the axis 41 in the clockwise direction.
  • the coupling 37 is displaced in the direction of the cam plate KS, whereby the lever 12 is pivoted about the axis 9 via the hinge axis 14.
  • the fixed comb 8 moves in the direction of the take-off roller 12 into a position as shown in FIG Fig.2 is shown.
  • the coupling of the drive elements of the feed roller and the fixed comb can also be made such that the distances traveled by feed roller and
  • Fix comb are different. Of course, can be provided within the described coupling gear still other settings not shown, to set the drive system optimally to the fiber material to be processed.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP09003343A 2008-04-11 2009-03-07 Dispositif de formation d'une nappe de fibres peignées Active EP2108720B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5662008 2008-04-11

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EP2108720A1 true EP2108720A1 (fr) 2009-10-14
EP2108720B1 EP2108720B1 (fr) 2011-06-15

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CN (1) CN101555639B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703192A1 (de) * 2010-05-28 2011-11-30 Rieter Ag Maschf Überwachungsvorrichtung an einer Textilmaschine.
WO2012167390A1 (fr) * 2011-06-06 2012-12-13 Maschinenfabrik Rieter Ag Peigneuse possédant un élément de protection
WO2015019139A1 (fr) * 2013-08-06 2015-02-12 Maschinenfabrik Rieter Ag Dispositif de nettoyage du cylindre de peignage d'une peigneuse
CN107366045A (zh) * 2017-08-31 2017-11-21 浙江依蕾毛纺织有限公司 精梳机
CN107385573A (zh) * 2017-08-31 2017-11-24 浙江依蕾毛纺织有限公司 一种同步性高的分梳机构
CN115305604A (zh) * 2022-08-23 2022-11-08 江西凤竹棉纺有限公司 一种高效低耗精梳设备及工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628197B (zh) * 2012-04-19 2014-08-13 东华大学 一种回转式棉纤维精梳机
CN107419374A (zh) * 2017-08-31 2017-12-01 浙江依蕾毛纺织有限公司 一种精梳机
CN107447302A (zh) * 2017-08-31 2017-12-08 浙江依蕾毛纺织有限公司 一种同步性高的精梳机
EP3748051B1 (fr) * 2019-06-05 2022-03-09 OFFICINE GAUDINO SpA Peigneuse rectiligne

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231797C (fr) *
DE243062C (fr)
CH150873A (de) 1929-08-03 1931-11-30 William Nasmith John Kämmaschine.
US1944944A (en) 1930-05-13 1934-01-30 Nasmith John William Combing machine
US2558706A (en) * 1945-01-04 1951-06-26 Terrell Mach Co Combing machine
DE19509209A1 (de) * 1994-04-07 1995-10-12 Spinnereimaschinenbau Leisnig Anordnung zum synchronisierten Antreiben mehrerer Achsen an Kämmaschinen
FR2861092A1 (fr) * 2003-10-21 2005-04-22 Schlumberger Cie N Peigneuse rectiligne
WO2006012758A1 (fr) 2004-08-05 2006-02-09 Maschinenfabrik Rieter Ag Peigneuse
WO2008011734A1 (fr) * 2006-07-25 2008-01-31 Maschinenfabrik Rieter Ag Peigneuse

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027817A1 (fr) * 1994-04-07 1995-10-19 Spinnereimaschinenbau Leisnig Gmbh Systeme d'entrainement synchronise de plusieurs arbres de machines de peignage

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231797C (fr) *
DE243062C (fr)
CH150873A (de) 1929-08-03 1931-11-30 William Nasmith John Kämmaschine.
US1944944A (en) 1930-05-13 1934-01-30 Nasmith John William Combing machine
US2558706A (en) * 1945-01-04 1951-06-26 Terrell Mach Co Combing machine
DE19509209A1 (de) * 1994-04-07 1995-10-12 Spinnereimaschinenbau Leisnig Anordnung zum synchronisierten Antreiben mehrerer Achsen an Kämmaschinen
FR2861092A1 (fr) * 2003-10-21 2005-04-22 Schlumberger Cie N Peigneuse rectiligne
WO2006012758A1 (fr) 2004-08-05 2006-02-09 Maschinenfabrik Rieter Ag Peigneuse
WO2008011734A1 (fr) * 2006-07-25 2008-01-31 Maschinenfabrik Rieter Ag Peigneuse

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703192A1 (de) * 2010-05-28 2011-11-30 Rieter Ag Maschf Überwachungsvorrichtung an einer Textilmaschine.
WO2012167390A1 (fr) * 2011-06-06 2012-12-13 Maschinenfabrik Rieter Ag Peigneuse possédant un élément de protection
WO2015019139A1 (fr) * 2013-08-06 2015-02-12 Maschinenfabrik Rieter Ag Dispositif de nettoyage du cylindre de peignage d'une peigneuse
CN107366045A (zh) * 2017-08-31 2017-11-21 浙江依蕾毛纺织有限公司 精梳机
CN107385573A (zh) * 2017-08-31 2017-11-24 浙江依蕾毛纺织有限公司 一种同步性高的分梳机构
CN115305604A (zh) * 2022-08-23 2022-11-08 江西凤竹棉纺有限公司 一种高效低耗精梳设备及工艺
CN115305604B (zh) * 2022-08-23 2024-04-09 江西凤竹棉纺有限公司 一种高效低耗精梳设备及工艺

Also Published As

Publication number Publication date
CN101555639B (zh) 2013-12-25
CN101555639A (zh) 2009-10-14
EP2108720B1 (fr) 2011-06-15

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