EP2304084A1 - Kämmvorrichtung zum kämmen eines fasermaterials - Google Patents
Kämmvorrichtung zum kämmen eines fasermaterialsInfo
- Publication number
- EP2304084A1 EP2304084A1 EP09775744A EP09775744A EP2304084A1 EP 2304084 A1 EP2304084 A1 EP 2304084A1 EP 09775744 A EP09775744 A EP 09775744A EP 09775744 A EP09775744 A EP 09775744A EP 2304084 A1 EP2304084 A1 EP 2304084A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combing
- plate
- machine frame
- combing device
- tear
- 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
Links
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
- D01G19/14—Drawing-off and delivery apparatus
- D01G19/16—Nipper mechanisms
-
- 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
Definitions
- the invention relates to a combing device for combing a fiber material, which is supplied to a, stored in a machine frame nipper unit having a lower and upper nipper plate, wherein the upper nipper plate is movably mounted with respect to the lower nipper plate, to form a nip and for generating a clamping force of a loading device is acted upon and with a feed means for the intermittent supply of the fiber material to the nip of the nipper unit, which is assigned below a rotatably mounted in the machine frame Kämmzylinder which is provided on its circumference with at least one Kämmsegment and associated with a nipper unit tear-off.
- the nipper unit consists of a reciprocating lower nipper plate, on which pivot arms an upper nipper plate is pivotally mounted
- Pivoting movement of the upper pliers plate results from the oscillating movement of the lower pliers plate, with closed pliers, the clamping force is generated in the region of the pliers lips of upper and lower pliers plate by spring loaded arms, which are hinged on one side to pivot arms of the upper pliers plate and on the other hand on an eccentric shaft, which in Machine frame is stored.
- a special tool is necessary to pivot the tong plate against the permanently acting spring force.
- Such an embodiment is z. As shown in published DE-4216485 A1. With today's combing machines, combing numbers of up to 500 KS / min are achieved on the basis of the optimizations that have been carried out in the meantime.
- the invention is therefore based on the object to propose a loading device for the upper tong plate, which avoids the aforementioned disadvantages and wherein the vibrations and the noise in the range of the nipper unit can be kept constant even at higher Kammspielbread or even reduced.
- the loading device consists of a compressed air source with compressed air acted upon bellows cylinder, which are supported in each case with its one end directly or indirectly on the machine frame and with its other end connected to the upper tong plate elements.
- bellows cylinder is to be understood as meaning a pneumatic lifting device which is provided with compressed air and which is generally provided with a rotationally symmetrical bellows an elastomer reinforced with a high strength textile insert.
- bellows cylinders for the load of the upper tong plate, as already described, the noise level and the vibrations can be reduced, while at the same time only a small space requirement for these bellows cylinder is necessary.
- bellows cylinder can compensate for certain angular deviations from their loading direction, making them excellent for this
- bellows cylinders in this application allows a stepless adjustment of the clamping force, as well as a central monitoring of the loading means. Likewise, no special tools are necessary to pivot the upper tong plate into an inoperative position.
- the extension of the respective bellows cylinder and the opening in the support surface may be dimensioned such that together they exert a clamping action on each other. This makes it possible that the upper clamp knife is lifted by the pivot arms for certain applications when moving the bellows cylinder by a certain amount.
- the bellows are fixed to the machine frame (MS) pivotally mounted arms. That after swinging the bellows cylinder over the arms, the upper pliers plate can also be swung out.
- the claimed arms can also be directly connected to each other and form a total of a pivotable frame which is pivotable as an integral element.
- At least one locking device is provided on the machine frame (MS) in order to fix the frame in this position.
- the bellows cylinder (B1, B2) via a control valve (25) is connected to a compressed air source, which is reversible via a control unit (ST) for generating a Unterduckes.
- bellows cylinders for loading the upper tong plate is particularly advantageous when, as further proposed, the upper tong plate is provided with guide elements which are guided for direct control of their movement on cams which rotatably on the axis of rotation of the combing cylinder are attached and the Position of the lower tong plate during a comb play - seen in the direction of the tear-off (8) - remains constant.
- the bellows cylinder can remain in their horizontal working position and do not need to be moved horizontally during comb play in addition.
- this combination enables the application of the required clamping force in the nipper unit and the initiation of the movement of the upper nipper plate to be separated from each other.
- both processes pressure, movement
- existing tolerances in the components can be better compensated and an optimal adjustment of the nipper unit can be made.
- the control of the movement of the upper tong plate is taken directly from the rotational movement of the combing cylinder, while the lower tong plate in the machine frame remains stationary with respect to the tear-off.
- the lower tong plate may perform a slight vertical movement of its tong lip during the tearing operation to better transfer the tuft to a subsequent tearing device.
- the lower tong plate can remain completely immobile in position during comb play.
- the guide elements are a rotatably mounted rollers. This gives a low-friction leadership. For damping during start-up and also for noise reduction, these rollers can be covered with a rubber-like layer.
- the upper tong plate is provided with lateral pivot arms via which it is pivotally mounted about an axis of rotation in the machine frame or on a tong frame of the lower tong plate, wherein the rollers are arranged on the pivot arms at a distance from the axis of rotation.
- the lower tong plate is mounted in the machine frame such that it occupies a substantially constant position during a comb play and the tear-off means is formed of a tear-off, which to form a nip in the direction of, on the circumference of the combing cylinder attached Abreisssegmentes is slidably mounted.
- FIG.1a is an enlarged partial view of Fig.1
- Fig. 2 shows an embodiment of Figure 1 with open pliers
- Fig. 3 is a plan view X of Figure 2
- Fig. 4 shows a further embodiment according to Fig.1
- nipper 1 shows the schematic view of a combing head of a combing machine.
- a multiplicity for example eight
- nipper 1 for short
- the upper tong plate 3 is connected to lateral arms 4a, 4b (see also FIG Swivel axis 6 are pivotally mounted on the lower tong plate.
- the pivot axis 6 could also be mounted directly in the machine frame MS.
- a bracket 10 is fixed (schematically, two screwings are indicated), which has at its free end an axis 11, on each of which a roller 12 is rotatably mounted.
- the rollers 12 may be provided for damping with an elastic layer (eg rubber) on its peripheral surface and are depending on the angular position of the combing cylinder 16 on a peripheral surface U of a cam 14 ( Figure 2), which rotatably on the axis of the 7th attached to the combing cylinder.
- the cam plate 14 is provided with respect to the axis 7 with radically different radii R1, R2 on a portion of the circumference of the combing cylinder 16 a tear-off 20 is fixed, which for tearing off the combed fiber tuft FB ( Figure 2) with a displaceable tear roller 8 a Clamping line KL forms.
- a feed roller 5 is rotatably mounted, which intermittently during a comb play fiber material F (tapes, fleece, cotton wool) from a source not shown in the direction of the nip K of the pliers 1 supplies.
- the supply is carried out in dependence on the angular position of the axis 7 of the combing cylinder 16 by a gear, not shown.
- Following the tear-off roller 8 is schematically a non-woven fabric forming
- Device 22 shown by means of which the fiber packages discharged from the tear-off roller 8 are combined to form a non-woven fabric, or soldered.
- the fiber fleece-forming device 22 is hereby provided with a rotating screen drum 23, which is arranged downstream of a doffer roller pair.
- Such a device may, for. B. the illustrated embodiment of published WO 2006/012759 A1 correspond.
- the pliers 1 is in the closed state, in which a tuft FB protrudes from the closed pliers 1 and is combed out of the combing segment 19 of the combing cylinder 16.
- the clamping force of the clamp for clamping the fiber material is produced by bellows cylinders B1, B2 (with multi-fold bellows) which are supported at one end by an end face 30 on a transverse strut 28 which is connected to the pivot arms 4a, 4b of the upper tong plate 3.
- bellows cylinders B1, B2 with multi-fold bellows
- the bellows cylinders are provided in the region of the end face 30 with an extension 31, which protrudes for lateral fixation of the respective bellows cylinder B1, B2 in an opening 33 of the transverse strut 28.
- the extension 31 and the opening 33 may be formed in the form or in the dimensions such that a releasable clamping connection
- the bellows cylinder B1, B2 are attached at their other ends via a receptacle 35 on a strut 36 via screws S.
- the strut 36 is fixedly connected to the pivot arms 37, 38 which are pivotally mounted about the pivot axis 40 in the machine frame MS.
- the pivot arms 37, 38 are in a locked position in which they are fixed by a locking device 50.
- the locking in this position must be designed in such a way that it can not be released automatically during operation.
- the proposed solution is shown by way of example only.
- per Verrieglungsvoriques one per swivel lever
- the latch 54 has a sloping surface 52 on which the bolt 51 slides along when the pivot lever from a high tilted position (see dash-dotted line position in Figure 2) are transferred to the locking position shown.
- the bars are each connected to a spring 55, which are guided in a sleeve 57.
- the sleeve is in each case connected to a lug 58, which is attached to the pivot arm 37, and 38, respectively.
- an end stop 60 is provided, by means of which the pivoting movement in the direction of the combing cylinder 16 is restricted. That is, when pivoting the pivot lever 37, 38 in the locking position shown, the pivot lever 37, 38 on the respective stop 60 at. However, as soon as the bellows cylinder B1, B2 supplied with compressed air are lifted, the levers 37, 38 up to a distance a, wherein the further lifting is prevented by the locking device 50. In each case via a connection 42, the bellows cylinders B1, B2 are connected to a line 44 which is fastened to a valve 27.
- the individual lines of the respective bellows cylinder B1, B2 are combined to form a common line, which is connected to the valve 27.
- a common line which is connected to the valve 27.
- the circuit of the valve 27 via an electromagnet 21, which is controlled via the line 46 by a control unit ST.
- a compressed air source 26 is connected via line 48 to the valve in connection.
- the drive of the shaft 7 of the combing cylinder 16 via a transmission G which is controlled via the line 47 of the control unit ST.
- the combing cylinder 16 is provided with a modulated speed from the transmission G is driven.
- the circumferential speed of the combing cylinder changes during a combing cycle and is adapted to the special working cycle (combing, tearing off).
- the peripheral speed of the combing cylinder 16 during tearing off could be lower, in order to ensure a gentle discharge of the drawn fiber packets onto a subsequent screening drum.
- modulated speeds in a combing cylinder (circular comb) of a conventional combing machine is already common prior art, such. As shown in JP-57056525 (A).
- the roller 12 In the position shown in Figure 1, the roller 12 is not on the circumference U of the cam 14 with the radius R2, so that the pressing force generated by the under pressure Balgzylindem B1, B2 at the nip K of the pliers is fully effective .
- the area of the cam plate 14 with the larger radius R1 reaches the area of the roller 12, as shown in FIG.
- the roller 12 is raised with respect to the stationarily arranged lower tong plate 2 and thereby pivots the Swing arms 4a, 4b about the axis 6, whereby the forceps 1 opens.
- the tear-off roller 8 has been displaced in the direction of the axis 7 and, together with the tear-off segment 20, forms a nip line for detecting the end of the already combed fiber tuft FB.
- the tear-off roller 8 is pressed against the tear-off segment 20 with a loading device, not shown, in this position.
- the departure process is now started, wherein the fiber packets torn off via the nip line are delivered to a screen drum, on which the formation of a fiber web takes place, which is removed via the pickup rollers for further processing.
- a schematically shown fixed comb FK is engaged in the tuft FB, through which the drawn-off fiber material is pulled through.
- the roller passes again in the region of the smaller radius R2, where it again assumes the position already described in Figure 1.
- the tear-off roller 8 is lifted and the combing cycle begins again.
- the swivel arms 37, 38 can be transferred into an upwardly swung-out position after release of the locking device 50, as indicated in phantom in FIG.
- the extensions 31 of the bellows cylinder B1, B2 are pulled out of the openings 33 of the cross member and the Belgzylinder B1, B2 pivoted with the pivot arms in the upper position of inoperative position.
- a locking device not shown, may be provided. After swinging the
- Swivel arms 37, 38 can also be the upper clamp knife 3 via the pivot arms 4a, 4b swiveled easily above the pivot axis 6. The pivoting back into the working position takes place in the corresponding reverse order.
- Fig. 4 a further embodiment is shown, wherein most of the elements also coincide with the elements which have been shown in the example of Fig. 1. Therefore, the same reference numerals are used for this example. The only difference to the embodiments previously shown is the different attachment of the upper tong plate 3.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH12022008A CH699286A2 (de) | 2008-07-31 | 2008-07-31 | Kämmvorrichtung zum Kämmen eines Fasermaterials. |
| PCT/CH2009/000247 WO2010012113A1 (de) | 2008-07-31 | 2009-07-09 | Kämmvorrichtung zum kämmen eines fasermaterials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2304084A1 true EP2304084A1 (de) | 2011-04-06 |
| EP2304084B1 EP2304084B1 (de) | 2015-05-27 |
Family
ID=41110657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09775744.7A Not-in-force EP2304084B1 (de) | 2008-07-31 | 2009-07-09 | Kämmvorrichtung zum kämmen eines fasermaterials |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2304084B1 (de) |
| CN (1) | CN102112669B (de) |
| CH (1) | CH699286A2 (de) |
| WO (1) | WO2010012113A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH705071A2 (de) | 2011-06-06 | 2012-12-14 | Rieter Ag Maschf | Zangenaggregat einer Kämmmaschine. |
| CH705914A2 (de) * | 2011-12-16 | 2013-06-28 | Rieter Ag Maschf | Rundkamm für eine Kämmmaschine, sowie Kämmmaschine. |
| CN104032420B (zh) * | 2014-05-28 | 2016-04-13 | 苏州潮盛印花制版实业有限公司 | 一种防过受力钳板摆轴传动机构 |
| CN107366045A (zh) * | 2017-08-31 | 2017-11-21 | 浙江依蕾毛纺织有限公司 | 精梳机 |
| CH716167A1 (de) * | 2019-05-09 | 2020-11-13 | Rieter Ag Maschf | Abreisszylinderaggregat mit einer Vorrichtung für Druckzylinder von Abreisszylinderpaaren einer Kämmmaschine. |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0336210A3 (de) * | 1988-04-08 | 1990-04-18 | Maschinenfabrik Rieter Ag | Verfahren zum Verarbeiten von Stapelfasern zu Garn |
| CH681629A5 (de) * | 1990-08-20 | 1993-04-30 | Rieter Ag Maschf | |
| IT226198Z2 (it) * | 1992-01-29 | 1997-06-02 | Ind Meccanotessili Marzoli S R | Dispositivo di fissaggio di pettini rettilinei in una macchina pettinatrice |
| DE4216485A1 (de) * | 1992-05-19 | 1993-11-25 | Rieter Ag Maschf | Kämmaschine |
| DE19640482A1 (de) * | 1996-09-30 | 1998-04-02 | Chemnitzer Spinnereimaschinen | Zangenapparat für Kämmaschinen mit Rundkammwalze und lagestabilen Abreißwalzen |
-
2008
- 2008-07-31 CH CH12022008A patent/CH699286A2/de not_active Application Discontinuation
-
2009
- 2009-07-09 WO PCT/CH2009/000247 patent/WO2010012113A1/de not_active Ceased
- 2009-07-09 CN CN2009801297224A patent/CN102112669B/zh not_active Expired - Fee Related
- 2009-07-09 EP EP09775744.7A patent/EP2304084B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010012113A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102112669B (zh) | 2012-03-21 |
| CH699286A2 (de) | 2010-02-15 |
| CN102112669A (zh) | 2011-06-29 |
| WO2010012113A1 (de) | 2010-02-04 |
| EP2304084B1 (de) | 2015-05-27 |
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