EP2791401A1 - Combing machine based on the heilmann principle - Google Patents
Combing machine based on the heilmann principleInfo
- Publication number
- EP2791401A1 EP2791401A1 EP12797682.7A EP12797682A EP2791401A1 EP 2791401 A1 EP2791401 A1 EP 2791401A1 EP 12797682 A EP12797682 A EP 12797682A EP 2791401 A1 EP2791401 A1 EP 2791401A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segment
- combing
- circular comb
- tear
- comb
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 13
- 239000000835 fiber Substances 0.000 description 14
- 238000005476 soldering Methods 0.000 description 10
- 239000002657 fibrous material Substances 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000001520 comb Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000347389 Serranus cabrilla Species 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- D01G19/28—Air draught or like pneumatic arrangements
Definitions
- the invention relates to a round comb for a combing machine with a mounted on the portion of its circumference Kämmsegment and attached to a tern part of its circumference tear-off segment, which cooperates for the tearing off with a deliverable tear-off (Heilmann principle).
- the first combing machines which were already built in the 19th century according to the Heilmann principle, were equipped with combing cylinders, which had an envelope diameter of 5 inches (approx. 125 mm) and more.
- the Heilmann principle was based on a fixed nipper unit in which only the upper nipper plate moved to create a nip for the fiber material in the area of the front nipper lips.
- a rotatably mounted circular comb was arranged stationary with respect to the stationary lower tong plate, which was provided with a comb segment on a partial area of its circumference in order to comb out the tuft protruding from the closed nipper unit ("tongs") on the side of the circumference opposite the comb segment
- a tear-off segment was fastened to the circular comb which, in conjunction with a radially detachable tear-off roller, formed a nip in order to pull or tear off fibers from the previously combed tufts
- the former combing machines, which worked according to this principle had Kammspielterrorism approximately between 80 and 90 Kamm réelle / min.
- the tear-off speed is no longer specified by the circular combing (also called “circular comb") in the process according to Gegf, but can be adapted to the needs.It is now determined by the speed at the pull-off rolls
- the Nasmith combing machine which differed only in the gear arrangement from the gutter combing machine, was followed by a large number of further execution principles of combing machines, but the principle has a vibrating nipper unit and a mit movement of the rip-off rollers for the tearing off and soldering operation With this principle comb numbers of up to 600 KS / min are achieved today.To achieve such high comb numbers, the drives have been optimized in recent years, the weights of moving parts (eg pliers) are reduced and the wegungsabvolution the individual involved in the combing process elements improved ,
- the object of the invention is to propose a circular comb for use on a combing machine which operates according to the Heilmann principle, with which, on the one hand, even at high comb rates, the departure speed for a subsequent continuous Fleece formation is not too high and manageable and on the other hand a good combing effect is made possible by the combing segment of the circular comb.
- This object is achieved by proposing a circular comb for a combing machine according to the Heilmann principle, the diameter of the enveloping circle of the circular comb being less than 100 mm and the combing segment extending over a circumferential angle between 140 ° and 180 °.
- the radius of the enveloping circle around the circular comb axis corresponds to the greatest radial distance, which has one of the elements mounted on the outer circumference of the circular comb of the circular comb axis.
- the departure speed can be kept low.
- the combing work by the selected angle of the Kämmgarnitur between 140 ° and 180 ° is sufficient to achieve the desired combing.
- the diameter of the enveloping circle of the circular comb between see 80 mm and 99 mm.
- the tear-off process can be optimally matched in time to high comb play numbers, it is further proposed that the tear-off segment extend over a circumferential angle between 100 ° and 140 °.
- the combing segment is provided with a needling of 10,000 to 17,000 needles. This ensures sufficient combing work.
- the circular comb is formed from two half-shell-shaped elements fastened by fastening elements on a circular comb shaft, wherein the first element carries the combing segment and the second element is designed as a tear-off segment with a flute.
- the first element carries the combing segment
- the second element is designed as a tear-off segment with a flute.
- the first element carrying the combing segment is provided with semicircular flanges projecting beyond both ends of the combing segment and a semicircular contact surface open in the direction of the circular comb shaft with which it at least partially rests on the peripheral surface of the circular comb shaft, and on which, with respect to the circular comb shaft, the Kämmsegment opposite side Abreissegment is arranged, each with one, the two end faces of the Abreissegmentes longitudinally projecting semicircular flange is provided on soft on the, the respective semi-circular outer surface opposite side each an annular member is attached via fastening means, each with its semi-circular inner surface on the semicircular outer surface of the respective flanges s, of the element which carries the combing segment, rests and the respective end face, of the combing segment transmitting element which lies outside the respective flange of the combing segment, wherein via the fast
- the claimed circular comb is used on a comber, wherein the circular comb about its axis stationary in the machine frame of
- Combing machine is rotatably mounted, which is associated with a nipper unit with a stationarily mounted in the machine frame bottom pliers plate and a movably mounted upper pliers plate and deliverable to the departure segment of the circular comb Abreisswalze and with one, the nipper unit, or the Abreisswalze downstream web-forming device.
- the web-forming device is connected to a continuously operating drive.
- FIG. 1 shows a schematic side view of a combing head of a combing machine
- FIG. 2 is an enlarged partial view of the circular comb according to Fig.1
- FIG. 3 shows a reduced sectional view AA according to FIG. 1 shows a schematic side view of a combing head 1 of a combing machine.
- the combing machine has a plurality of such combing heads which are arranged next to one another and are provided for processing a fiber material W fed to the respective combing head.
- the presented fibrous material can be supplied in the form of fiber slivers, wadding webs which are wound on reels, or in nonwoven form.
- the supplied fiber W is transferred via a feed roller 5 of a nipper unit 2 with a lower fixed pliers plate 3 in the region of a front pliers lip of the lower pliers plate 3, which together with a pliers lip of an upper pliers plate 4 can form a clamping point KS.
- the upper tong plate 4 (as shown schematically by the double arrow) is movably attached to the lower tong plate 3.
- a circular comb 7 is rotatably mounted about an axis RA via a circular comb shaft R.
- the circular comb 7 is formed from two half-shell-shaped elements S1, S2, which are braced against one another and fastened by using screws 19 and ring elements 15 on the circular comb shaft R. Further details regarding the attachment of the elements S1, S2 on the circular comb shaft R will be shown and described in more detail in the following description of the figures 2 and 3.
- a combing segment 9 is fixed, which has needles or clothing tips 10 and extends over a circumferential angle w, which may be between 140 ° and 180 °.
- a tear-off segment 2 is attached, which is provided with recesses, or with a flute 13.
- the tear-off segment 12 together with an undeliverable tear-off roller 24 forms a nip (not shown). It is therefore a combing head of a combing machine which works according to the Heilmann method, the demolition of the combed out tuft being effected by a tear-off segment additionally mounted on the round comb.
- this method includes a fixed lower forceps plate.
- the combing operation of the fiber tuft FB projecting from the closed nipper unit (“pincers”) begins, and the needles 10 comb through the tuft FB, which is gripped by the comb segment 9.
- all unclamped components e.g. B. short fibers, dirt, nits, etc.
- a suction AK which is connected to a vacuum source, not shown, the still located between the needles 10 becamerelimmten components are through a below the circular comb 7 on
- the pliers 2 are opened by lifting off the upper tong plate 4.
- the tuft FB reaches the region of the tear-off segment 12 and is lifted by it and on its outer circumference At the same time the tan FB moved into the range of action of a set of a schematically illustrated fixed comb FK.
- the tear-off roller 24 shifts, in accordance with the arrow, in the direction of the tear-off segment 12, which is now below, until it forms a clamping point for the fiber material with this segment.
- the control of this displacement of the tear-off roller 24 may, for. B. by curve elements 15 attached to the circular comb, on soft the tear-off roller 24 is held under a spring load.
- Such an embodiment is shown in Figures 2 and 3 and will be described in more detail below.
- the fibers of the tuft FB which grip the clamping point between the tear-off segment 12 and the tear-off roller 24, are pulled out of this and transferred to a subsequent soldering device 30, on which a fiber fleece V is formed.
- a subsequent soldering device 30 In the described tearing off the rear end of the peeled fiber package is pulled through the set of the schematically shown FK fixed comb through and combed.
- the area of the fiber material is combed out, which can not be detected by the comb segment 9 of the circular comb 7 by the geometric conditions.
- the soldering device 30 consists of a, about an axis 33 rotatably mounted screen drum 32 which is driven by a drive AT.
- the interior of the screen drum 32 is in negative pressure by the schematically shown connection with a vacuum source U.
- a vacuum source U the fiber web V formed on the screen drum 32 is held on the peripheral surface of the screen drum and passes through the further rotation of the screen drum in the region of a take-off roller 35.
- a casing VS is provided which seals off the area of web formation following the tear-off roller 24.
- the fiber web V which has reached the nip point between the take-off roll 35 and the screen drum 32 is delivered downwards and brought together via a fleece funnel 37 under the action of a subsequent calender roll pair 39 to form a sliver F which is delivered to a conveyor table T.
- the fiber sliver thus formed is supplied to a subsequent drafting unit, not shown, with further slivers formed on other combing heads.
- a single combing machine belt is formed after a drawing process, which is then stored via appropriate devices in a pot for further processing.
- FIG. 2 represents a reduced sectional view AA according to FIG.
- FIG. 3 represents a reduced sectional view AA according to FIG.
- the position of the tear-off roller 24 has been shown offset from the representation in FIG. 2 by approximately 90 ° in FIG.
- the circular comb 7 consists of two half-shell-shaped elements S1, S2, which are clamped against each other via corresponding elements 15 on the circular comb shaft R and are thus connected via a frictional engagement with the circular comb shaft R.
- the element S1 consists of a half-shell-shaped main body 42, which is supported in the longitudinal direction L via the webs 44, 45 and a central web 47 on a half-shell-shaped hub 48. Via the opening 49 of the hub 48, this is supported on a portion of the contact surface UR of the circular ridge R.
- the hub 48 may be provided in the region of its bearing surface on the outer circumference UR of the circular comb shaft R with recesses 50 extending in the longitudinal direction. This ensures optimum contact with the peripheral surface UR of the circular comb shaft R.
- the combing segment 9 is fixed, which may be made of several, provided with different Benadlung combing sections. In order to achieve a sufficient combing effect even with the claimed enveloping circle diameter HD smaller than 100 mm, the combing segment has a circumferential angle w, which can be between 140 ° and 180 °.
- the element S2 opposite the element S1 likewise has a base body 52, on the outer circumference 54 of which a tear-off segment 12 is fastened, which can extend over a circumferential angle w1 of between 100 ° and 140 °.
- the half-shell-shaped main body 52 is reinforced by radially oriented webs 57, 58 and by a central web 60.
- the two end faces SF of the tear-off segment 12 are thereby surmounted by the webs 57, or 58 in the length L (or in the longitudinal direction).
- the webs 57, 58 and the central web 60 have an open in the direction of the circular comb shaft semicircular recesses OF, via which the element S2 is supported on the outer circumference UR of the circular comb shaft R.
- z. B. on the element S1 spaced apart pins ST, which engage in correspondingly arranged holes D of the element S2, when the two elements S1, S2 are joined together on the circular comb shaft R.
- semicircular flanges 62, 63 are attached to both end sides of the hub 48, which project beyond the base body 42 in the longitudinal direction by a dimension a.
- the semicircular openings ON of the hubs 62, 63 are aligned in the direction of the circular comb shaft R and are in alignment with the opening 49 of the hub 48.
- In the radial direction are the flanges 62, and 63, the webs 57, and 58 of the Element S2 opposite.
- the element S2 is provided in the region of its webs 57 and 58 each with a stepped outer contour KA, which corresponds to the step-shaped inner contour Kl of a ring element 15 mounted on each side of the circular comb. Ie.
- the respective ring element 15 is pushed with the internal dimension m on the webs 57, and 58 respectively.
- the semicircular inner surface 14 of the respective annular element 15 comes on the respective same shape outer surface 62a, or 63a of the flanges 62, and 63 to the system and presses the respective flange 62, and 63 against the outer circumference UR of the circular comb shaft R under the action of tightened Screws 19.
- 58 depressions VT are attached to the respective webs, in which in the webs 57, 58 existing through holes B open. In the assembled state, these holes B are aligned with threaded holes G which are provided in the ring elements 15. When mounting screws 19 are pushed through the holes B and screwed into the threaded holes G.
- the respective ring element 15 is moved to the respective web 57, 58, wherein the ring element with the inner surfaces which have a distance m, on the respective web 57, and 58, respectively.
- the webs 57, 58 as well as the central web 60 come to rest on the circumference UR of the circular comb shaft R.
- the webs 57, 58 and the central web 60 then still have a distance c to the flanges 62, 63 and the hub 48 , Likewise, there is still a distance d between the respective webs 57, 58 and the respective ring elements 5.
- the outer contours A15 of the ring elements 15 with the outer contours K1 of the webs 57, 58 form a closed peripheral surface on which the tear-off roller 24 is guided.
- the axis 24a of the tear-off roller 24 is loaded via a spring FD, which is supported on the machine frame MG.
- the outer enveloping circle H9 of the combing segment 9 has an inwardly offset distance k from the outer contour A15 of the respective ring element 15. This ensures that during the circulation of the circular comb 7, the tear-off roller 24 does not come into contact with the combing segment 9.
- the outer contour A12 of the tear-off segment 12 projects beyond the outer contour K1 of the respective web 57, 58 or the outer contour A15 of the respective ring element 15. This ensures that during the circulation of the circular comb 7 during a comb play the Abreisswalze 24 comes to rest on the outer periphery A12 of Abreisssegmentes 12 to the plant and can form a nip with this for the tearing off.
- the tear-off rollers 24 have a safety distance k from the enveloping circle H9 of the combing segment 9 in order to prevent a collision with the needles 10 of the comb segment 9.
- balancing weights MA are attached to fixing points 28 by means of screws 27 within the half-shell-shaped element S2 in order to balance the circular comb 9 with respect to the mass.
- the embodiment shown here is not limited to an embodiment of a circular comb with an enveloping circle diameter HD of less than 100 mm.
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 |
---|---|---|---|
CH01995/11A CH705914A2 (en) | 2011-12-16 | 2011-12-16 | Circular comb for a combing machine, and comber. |
PCT/CH2012/000255 WO2013086643A1 (en) | 2011-12-16 | 2012-11-19 | Combing machine based on the heilmann principle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2791401A1 true EP2791401A1 (en) | 2014-10-22 |
EP2791401B1 EP2791401B1 (en) | 2016-02-03 |
Family
ID=47296878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12797682.7A Active EP2791401B1 (en) | 2011-12-16 | 2012-11-19 | Combing machine based on the heilmann principle |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2791401B1 (en) |
CN (1) | CN103987883B (en) |
CH (1) | CH705914A2 (en) |
IN (1) | IN2014MN01423A (en) |
WO (1) | WO2013086643A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112481752B (en) * | 2020-12-11 | 2022-09-30 | 河南昊昌精梳机械股份有限公司 | Combing machine and combing cylinder with adjusting function thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE243062C (en) * | ||||
CH150873A (en) * | 1929-08-03 | 1931-11-30 | William Nasmith John | Combing machine. |
DE01440122T1 (en) * | 2001-04-30 | 2005-07-14 | N. Schlumberger & Cie, S.A. | Straight line combing and straight combing machine for carrying out the method |
DE10163663A1 (en) * | 2001-12-21 | 2003-07-03 | Rieter Ag Maschf | Cog wheel for a combing machine with a support is on a spindle and has a comb segment on the opposite side to a weight balance |
DE502005004034D1 (en) | 2004-08-05 | 2008-06-19 | Rieter Ag Maschf | Comber. |
EP2044250B1 (en) * | 2006-07-25 | 2011-01-05 | Maschinenfabrik Rieter Ag | Combing machine |
CH699286A2 (en) * | 2008-07-31 | 2010-02-15 | Rieter Ag Maschf | Combing device for combing a fiber material. |
CH699285A2 (en) * | 2008-07-31 | 2010-02-15 | Rieter Ag Maschf | Combing device for combing a fiber material. |
CH699788A2 (en) * | 2008-10-24 | 2010-04-30 | Rieter Ag Maschf | Combing device for combing a fibrous material with setting Ecartements. |
-
2011
- 2011-12-16 CH CH01995/11A patent/CH705914A2/en not_active Application Discontinuation
-
2012
- 2012-11-19 EP EP12797682.7A patent/EP2791401B1/en active Active
- 2012-11-19 IN IN1423MUN2014 patent/IN2014MN01423A/en unknown
- 2012-11-19 CN CN201280061741.XA patent/CN103987883B/en active Active
- 2012-11-19 WO PCT/CH2012/000255 patent/WO2013086643A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013086643A1 * |
Also Published As
Publication number | Publication date |
---|---|
CH705914A2 (en) | 2013-06-28 |
CN103987883A (en) | 2014-08-13 |
CN103987883B (en) | 2016-07-06 |
WO2013086643A1 (en) | 2013-06-20 |
EP2791401B1 (en) | 2016-02-03 |
IN2014MN01423A (en) | 2015-04-03 |
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