EP3633084A1 - Peigne circulaire pour une peigneuse - Google Patents

Peigne circulaire pour une peigneuse Download PDF

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Publication number
EP3633084A1
EP3633084A1 EP19200110.5A EP19200110A EP3633084A1 EP 3633084 A1 EP3633084 A1 EP 3633084A1 EP 19200110 A EP19200110 A EP 19200110A EP 3633084 A1 EP3633084 A1 EP 3633084A1
Authority
EP
European Patent Office
Prior art keywords
carrier
support surface
central profile
support
spring
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
EP19200110.5A
Other languages
German (de)
English (en)
Other versions
EP3633084B1 (fr
Inventor
Christian Dratva
Tobias BURKHARD
Manuel Koch
Johannes REISSER
Markus STRÄSSLE
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.)
Graf und Cie AG
Original Assignee
Graf und Cie 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 Graf und Cie AG filed Critical Graf und Cie AG
Publication of EP3633084A1 publication Critical patent/EP3633084A1/fr
Application granted granted Critical
Publication of EP3633084B1 publication Critical patent/EP3633084B1/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
    • D01G19/10—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
    • D01G19/10—Construction, mounting, or operating features of combing elements
    • D01G19/105—Combing cylinders

Definitions

  • the present invention relates to a carrier for a round comb of a combing machine, and a round comb with such a carrier.
  • Such carriers for circular combs are used for combers for combing out a fiber mass (cotton, wool, etc.), it being possible for the fiber mass to be presented in the form of cotton webs wound on sleeves or in the form of individual fiber tapes.
  • the comb play numbers (comb play / minute) have increased significantly in recent years, which also means an increase in productivity.
  • the round combs used in practice for the combing machine consist of a round comb carrier which is provided with a clamping hub with which it is fixed in a rotationally fixed manner on a driven round comb shaft.
  • a comb segment is fastened on a partial circumference of the circular comb carrier, with which the end of the fiber mass (also called fiber beard), which is presented by a pair of pliers, is combed out.
  • circular comb carriers are used, which are applied to a supporting body, the supporting body in turn being held on a driven circular comb shaft.
  • the carrier consists of a hollow profile which has an outer arcuate section for receiving the combing set and with an inner section opposite this, with an open in the direction of the shaft, semicircular trough which extends in the longitudinal direction of the hollow profile and over which the carrier supported on a shaft.
  • the mass and thus the moment of inertia of the carrier can thus be kept low.
  • EP 2 789 716 A1 a circular comb with a support, which is provided with an inner portion protruding toward the shaft, which has a recess which is open in the direction of the shaft and extends in the longitudinal direction of the hollow profile and in which a support element is accommodated which, on the one hand, extends over a first Support surface on a base of the recess and on the other hand on a second support surface on the outer circumference of the shaft.
  • Interchangeable spacer elements are provided on the base of the depression. This is intended to make it possible, by simply inserting precise spacing elements between the base body and the support element, to precisely set the radius of the enveloping circle of the combing set.
  • the object of the present invention is therefore to provide a carrier for a circular comb, which enables a continuous adjustment of the distance between the lower pliers plate of the pliers and the enveloping circle of the combing set of the circular comb, it being possible to change the setting without removing the circular comb.
  • a carrier for a circular comb of a certain length of a combing machine with a clothing support surface and at least one support surface opposite the clothing support surface is proposed, the clothing support surface and the support surface being arranged in a concentric circular shape around a circular comb axis in a cross section perpendicular to the length.
  • the support surface is formed on a central profile and the clothing support surface is connected to the central profile.
  • At least one first pair of spring ribs is arranged on the central profile for supporting the carrier on a round comb shaft or on a support body, the spring ribs of the first pair of spring ribs each having a support facing the round comb axis at an end facing away from the central profile.
  • the carrier essentially consists of a central profile, a clothing support surface provided or attached to the central profile and also on the central profile spring ribs attached in pairs.
  • the combing attachment is fastened to the clothing support surface with suitable means, for example with screws, by welding or gluing.
  • Combing sets consisting of individual wire strips applied to the set bearing surface or also combing sets consisting of prefabricated combing elements which are applied to the set supporting surface are used.
  • the clothing contact surface is arranged in the form of a segment of a circle around a circular comb axis.
  • the at least one support surface is provided on the side of the central profile facing away from the clothing support surface, and this can be integrally formed on the central profile.
  • the support surface is designed as an arcuate depression with a radius of 25 mm to 90 mm corresponding to a conventional round comb shaft.
  • the support surface is designed as an arcuate depression with the radius of 80 to 150 mm corresponding to a conventional support body.
  • the spring ribs are designed as ribs with an end directed freely into the space against the circular comb axis, or in the space below the support surface.
  • supports are provided which are brought into contact with a maximum deflection when the support surface is in contact with a surface of a round comb shaft located in the round comb axis or on a surface of a support body held on the round comb shaft.
  • the distance of the respective support from the circular comb axis is thus identical to a radius of the support surface.
  • the spring ribs are deflected accordingly when the carrier is mounted on the round comb shaft through the surface of the round comb shaft.
  • the supports provided on the spring ribs can be provided as actual straight or curved surfaces.
  • a convex shape of the ends of the spring ribs is to be understood as a support in the sense of the application.
  • a line-shaped contact of the spring rib on the surface of the round comb shaft occurs when it contacts the round comb shaft.
  • the clothing support surface is attached to the central profile or part of the central profile. This has the advantage of being low and compact design of the carrier results and this can be attached to conventional support bodies.
  • the clothing support surface is connected to the central profile via at least two struts. Up to six struts are preferably provided, as a result of which greater stability can be achieved.
  • the distance between the support surface and the clothing support surface can be selected such that no support body is necessary between the carrier and the round comb shaft and the carrier can be attached directly to the round comb shaft.
  • the number of struts between the clothing support surface and the central profile depends on the size of the segment of the circle which must be occupied by the combing clothing.
  • the struts and the spring ribs advantageously have a first common section starting from the central profile. With a large circumferential angle of the clothing support surface, this results in a more stable support of the outer areas of the clothing support surface on the round comb shaft. Accordingly, the central profile can be made narrower, which has further advantages in reducing the mass of the carrier.
  • the spring ribs are preferably divided in their course from the central profile to support by at least one kink into a first element section and a second element section, the first element section and the second element section including a spring angle of 50 to 90 degrees.
  • the spring rib is not deformed as a whole by forces applied to the supporting surface, but is mainly changed in its spring angle.
  • the spring ribs can also be bent several times at an angle between the central profile and the support, the entire change in direction always being seen as a spring angle.
  • the spring ribs can also be curved under a certain radius.
  • the clothing support surface is connected to the central profile via two to six struts. If several struts are provided between the clothing support surface and the central profile, this results in a more rigid construction and dimensional stability of the clothing support surface can also be guaranteed with high acceleration forces. An influence on the dimensional stability of the clothing support surface by the deformation of the spring ribs is also excluded.
  • the spring ribs each arranged on one side of the central profile have a common connection point on the central profile in a version of the carrier with direct mounting on the round comb shaft.
  • the various spring ribs can also be connected to the struts via common element sections.
  • the common connection point on the central profile results in an even load on all spring ribs.
  • the carrier can be provided as a disk with a certain length, the length being visible in the direction of the circular comb axis.
  • the length of the carrier corresponds to only a fraction of the length of the round comb, and several such short carriers are used to fasten the combing set.
  • the use of several carriers for a combing set has the disadvantage that it is expensive to align the carriers in order to achieve a concentric arrangement of the combing set with the round comb shaft.
  • the length of the carrier therefore advantageously corresponds to a length of the round comb. This has additional the advantage that the round comb with the combing set can be preassembled before it is installed in a comber.
  • the carrier is produced as a hollow profile by continuous casting. This enables the struts as well as the spring ribs to have a longitudinal extension corresponding to the length of the round comb, as a result of which greater spring forces can be absorbed by the spring ribs.
  • the support surface as well as the supports of the spring ribs or the clothing support surface do not have to be guided over the entire length.
  • the surfaces can be interrupted alternately and, for example, can be formed over 50 percent of the length of the circular comb.
  • the support surface as well as the supports of the spring ribs and the clothing support surface are particularly preferably formed over the entire length of the carrier.
  • the supports of the spring ribs are advantageously arranged concentrically to the support surface, an enveloping circle of the supports having a smaller radius than the support surface.
  • the spring ribs are deflected during assembly on the round comb shaft or the support body and the support is pressed away from the round comb shaft or the support body under the bending force of the spring ribs.
  • a combing device with a circular comb and a counterweight having a carrier with a clothing contact surface.
  • the carrier and the counterweight are mutually arranged on a round comb shaft and clamped together with fastening elements by the round comb shaft.
  • the carrier has a central profile with a support surface opposite the clothing support surface and at least a first pair of spring ribs, each consisting of a spring rib on both sides of the support surface, the spring ribs each having a support on an end facing away from the central profile to support the carrier.
  • the design of the supports can be adapted to the surface of the round comb shaft.
  • a support does not mean a surface in the sense of a plane, but rather a defined shape of the end of the spring rib.
  • a flat as well as a circular concave or convex shape can be selected. It is important that the support is designed in such a way that the spring rib rests evenly on the surface of the round comb shaft over the length of the spring rib.
  • the support of the support ribs on the round comb shaft enables stable support of the support even with a narrow support surface on the central profile.
  • a combing device with a circular comb and a counterweight having a carrier with a clothing contact surface and a support body.
  • the support body and the counterweight are mutually arranged on a round comb shaft and clamped together with fastening elements by the round comb shaft.
  • the carrier is fastened to the support body with fastening elements.
  • the carrier has a central profile with a support surface opposite the clothing support surface and at least one first pair of spring ribs, the spring ribs each having a support at an end facing away from the central profile to support the carrier on the support body.
  • the spring ribs with their supports are advantageously brought into contact with a maximum tension on the surface of the round comb shaft or the surface of the support body.
  • the support surface of the carrier serves as a stop, whereby the approach of the carrier to the round comb shaft or the support body is stopped when this stop is reached. A further deformation of the spring ribs is therefore no longer possible when the stop is reached and because of the Touching the supports and the surface prevents the spring ribs from being overstretched.
  • the attachment of the carrier corresponds to a setting of the maximum distance between the lower pliers plate and the enveloping circle of the comb set located on the carrier when the support surface is in contact with the circular comb shaft. If the fastening is now loosened by unscrewing the fastening screws, the support and thus the round comb are lifted off the round comb shaft or the support body by the spring ribs and a gap is formed between the support surface and the surface of the round comb shaft or the support body. At the same time, the distance between the lower pliers plate and the enveloping circle of the combing set is reduced. However, the spring ribs continue to ensure stable attachment of the carrier and thus of the circular comb to the circular comb shaft or the support body.
  • a setting can also be checked directly in the installed state by measuring the distance between the lower pliers plate and the enveloping circle of the combing set located on the carrier.
  • the combing device can be rotated in the installed state into a measuring position in which the distance can be set and measured.
  • a force transmission element is provided between the carrier and the round comb shaft for transmitting the acceleration forces from the round comb shaft to the carrier.
  • an additional force transmission element is provided.
  • the acceleration forces arise from a superposition of a basic speed with a sinusoidally increasing and decreasing speed. This type of movement is necessary to optimize the entire combing process.
  • the forces which occur due to the acceleration of the rotational speed of the round comb shaft with each revolution are transmitted from the round comb shaft to the carrier by the force transmission element, as a result of which the spring ribs are relieved accordingly.
  • the force transmission element is designed as a bolt which has an internal thread and in one end area has a surface molded onto the round comb shaft.
  • the bolt is braced against the circular comb shaft with a threaded bolt which extends through the round comb shaft.
  • the bolt is provided with an O-ring for fixing the bolt in a hole in the carrier.
  • Such a bolt does not contribute to the bracing of the carrier on the round comb shaft but is only intended to take over the acceleration forces.
  • the carrier is freely movable in the direction of a longitudinal axis of the bolt.
  • the spring ribs as well as the fastening elements of the carrier are largely relieved of transverse forces. This relief enables a reduction in the number of fastening elements provided today.
  • the circular comb 7 is shown with a length L along a circular comb axis 6, the length L corresponding to the extension of a combing device normally used. As indicated, however, a shortened length M of the carrier 24 is also possible, since a clothing support surface 26 that is continuous over the entire length L is not absolutely necessary.
  • the length M of the carrier 24 corresponds to the length L of the circular comb 7, in particular when the carrier 24 is designed as a hollow profile as in FIGS Figures 2 and 3 shown.
  • the carrier 49 has a central profile 51 and a granite support surface 26.
  • the clothing support surface 26 is adapted to the nature of the combing clothing (not shown) to be fastened thereon.
  • the clothing support surface 26 extends over a combing angle ⁇ in an arc around a circular comb axis 6.
  • the circular comb axis 6 serves as a reference point for the entire carrier 24 and also the support body 53.
  • the support surface 50 is designed concentrically to the clothing support surface 26 with a radius adapted to the support body 53.
  • the clothing support surface 26 is supported on the central profile 51 via first struts 54 and a second strut 55.
  • Two pairs of spring ribs 52 and 57 are provided for supporting the carrier 49 on the support body 53.
  • the struts 54 and the spring ribs of the spring rib pairs 52 and 57 are each arranged in pairs and symmetrically to the central profile 55.
  • the first struts 54 each have a section 56 common to a spring rib 52 and 57.
  • the spring ribs 52 and 57 are formed on the common section 56 in a common end point 58 on the central profile 55.
  • the spring ribs 52 and 57 have supports 33 at their ends.
  • the spring ribs 52 and 57 When the carrier 49 is fastened on the support body 53, the spring ribs 52 and 57 come to rest with their supports 33 on the surface of the support body 53 and are deformed when the fastening elements 59 are tightened. A maximum deformation of the spring ribs 52 and 57 is limited by the support surface 27 bearing against the support body 53.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP19200110.5A 2018-10-04 2019-09-27 Peigne circulaire pour une peigneuse Active EP3633084B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01213/18A CH715430A1 (de) 2018-10-04 2018-10-04 Rundkamm für eine Kämmmaschine.

Publications (2)

Publication Number Publication Date
EP3633084A1 true EP3633084A1 (fr) 2020-04-08
EP3633084B1 EP3633084B1 (fr) 2022-12-07

Family

ID=68072273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19200110.5A Active EP3633084B1 (fr) 2018-10-04 2019-09-27 Peigne circulaire pour une peigneuse

Country Status (5)

Country Link
EP (1) EP3633084B1 (fr)
CN (1) CN111005096B (fr)
AR (1) AR116685A1 (fr)
BR (1) BR102019018595A2 (fr)
CH (1) CH715430A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4183908A1 (fr) 2021-11-23 2023-05-24 Graf + Cie AG Support pour un peigne rond d'une machine à peigner
DE102022210530A1 (de) 2022-10-05 2024-04-11 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514319A1 (fr) * 1991-05-10 1992-11-19 Maschinenfabrik Rieter Ag Peigne circulaire pour une machine de peignage
DE29720656U1 (de) 1997-11-21 1998-01-22 Staedtler & Uhl, 91126 Schwabach Distanzelement für einen Kreiskamm einer textilen Kämm-Maschine
EP2426239A1 (fr) 2010-09-04 2012-03-07 Maschinenfabrik Rieter AG Peigne rond d'une peigneuse
EP2789716A1 (fr) 2013-04-12 2014-10-15 Maschinenfabrik Rieter Ag Peigne rond d'une peigneuse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135024A (en) * 1960-04-12 1964-06-02 Whitin Machine Works Half-lap for combing machine
CN2050434U (zh) * 1989-05-02 1990-01-03 射阳县纺织机械附件厂 精梳机整体锡林
ITTO20030106A1 (it) * 2003-03-12 2004-08-14 Sant Andrea Novara Spa Pettinatrice rettilinea con regolazione dello scartamento perfezionata .
CN102628197B (zh) * 2012-04-19 2014-08-13 东华大学 一种回转式棉纤维精梳机
CN204644534U (zh) * 2015-03-09 2015-09-16 励金友 静电除顶梳嵌花的直型棉精梳机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514319A1 (fr) * 1991-05-10 1992-11-19 Maschinenfabrik Rieter Ag Peigne circulaire pour une machine de peignage
DE29720656U1 (de) 1997-11-21 1998-01-22 Staedtler & Uhl, 91126 Schwabach Distanzelement für einen Kreiskamm einer textilen Kämm-Maschine
EP2426239A1 (fr) 2010-09-04 2012-03-07 Maschinenfabrik Rieter AG Peigne rond d'une peigneuse
EP2789716A1 (fr) 2013-04-12 2014-10-15 Maschinenfabrik Rieter Ag Peigne rond d'une peigneuse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4183908A1 (fr) 2021-11-23 2023-05-24 Graf + Cie AG Support pour un peigne rond d'une machine à peigner
CH719163A1 (de) * 2021-11-23 2023-05-31 Graf Cie Ag Träger für einen Rundkamm einer Kämmmaschine.
DE102022210530A1 (de) 2022-10-05 2024-04-11 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine
DE102022210530B4 (de) 2022-10-05 2024-08-14 Staedtler + Uhl Kg Rundkamm für eine Kämmmaschine

Also Published As

Publication number Publication date
CH715430A1 (de) 2020-04-15
BR102019018595A2 (pt) 2020-05-26
CN111005096B (zh) 2023-07-25
KR20200039555A (ko) 2020-04-16
CN111005096A (zh) 2020-04-14
AR116685A1 (es) 2021-06-02
EP3633084B1 (fr) 2022-12-07

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