EP2110469A2 - Befestigungseinrichtung für Zahnelemente an einem Bauteil einer Textilmaschine - Google Patents

Befestigungseinrichtung für Zahnelemente an einem Bauteil einer Textilmaschine Download PDF

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Publication number
EP2110469A2
EP2110469A2 EP09005194A EP09005194A EP2110469A2 EP 2110469 A2 EP2110469 A2 EP 2110469A2 EP 09005194 A EP09005194 A EP 09005194A EP 09005194 A EP09005194 A EP 09005194A EP 2110469 A2 EP2110469 A2 EP 2110469A2
Authority
EP
European Patent Office
Prior art keywords
spring leg
tooth elements
fastening device
holding force
elements
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.)
Withdrawn
Application number
EP09005194A
Other languages
German (de)
English (en)
French (fr)
Inventor
Urs Müller
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 EP2110469A2 publication Critical patent/EP2110469A2/de
Withdrawn legal-status Critical Current

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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
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/34—Grids; Dirt knives; Angle blades
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/92—Attaching card clothing to carding 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 invention relates to a fastening device for tooth elements on a component of a textile machine, in particular on a fixed comb, a circular comb or a card cover, with a fixed contact surface for the tooth elements and an elastic spring leg for pressing the tooth elements to the contact surface with a holding force.
  • the tooth elements on combs and card covers can be designed differently.
  • the tooth elements may for example consist of needles.
  • the tooth elements can just as well be designed as punched parts that contain one or more teeth.
  • the tooth elements can be fastened by plastic deformation of a holding part or a part of the support body to a support body. It may happen that the material of the holding part not only plastically, but also partially elastically deformed, and that the elastic deformation goes back to the actual fastening process again. The tooth elements are then not held securely by a holding force and can relax again.
  • the tooth elements must be moved along the fixed contact surface and along the elastic spring leg transversely to the working direction and threaded into the support body.
  • a relatively large displacement force is necessary in the known device, since the holding force of the spring leg is already effective at the beginning of the insertion of the tooth element.
  • each tooth element must be individually subtracted by overcoming the holding force with a relatively high force from the support body. The assembly and replacement of the tooth elements is complicated.
  • the invention has for its object to provide a fastening device for tooth elements, in which the mounting of the tooth elements is easily possible.
  • the object is achieved in that a device for retaining force-cancellation of the spring leg is provided.
  • An attachment device for toothed elements with a device for retaining force of the spring leg has the advantage that when mounting the tooth elements, the holding force of the elastic spring leg can be disabled and the side by side threaded tooth elements without resistance on the fixed contact surface can slide along.
  • the threading of the tooth elements in the recording is considerably simplified. It is ensured that the tooth elements lie next to each other without clearance.
  • the device for holding force cancellation is deactivated again, so that the spring leg presses the tooth elements to the contact surface and securely fixed with its holding power.
  • Other fasteners for the tooth elements are not required.
  • the holding force of all the toothed elements arranged in a row next to one another can be canceled simultaneously with the device for releasing holding force.
  • the device for holding force cancellation has advantages. It must not be individually pulled out of their recording as in the prior art, all the tooth elements. After pressing the device for retaining force-lifting no holding force of the spring leg acts more the tooth elements. The dental elements fall by themselves from their recording and can be easily disposed of.
  • a fastening device is particularly advantageous for use on a fixed comb or a circular comb for a combing machine. It can also be used in a very advantageous manner for the attachment of tooth elements on a card cover of a flat card. Since these components with the toothed elements represent separately tradable items, the scope should also include a fixed comb, a round comb and a card cover.
  • the device for holding force cancellation against unintentional opening is blocked. If the means for releasing the holding force is blocked after mounting the toothed elements on the component, inadvertent opening of the device for releasing holding force during transportation and during use of the component in the textile machine is prevented. An unintentional operation of the device for releasing the holding force can cause the tooth elements to fall out of their receptacle and be lost. By blocking the device for retaining force cancellation, preferably, the holding force of the spring leg can be further enhanced.
  • the fixed contact surface and the spring leg are integrally integrated in a support body for the tooth elements.
  • the support body can for example be subsequently attached to a circular comb.
  • the support body is formed, for example, directly through the head region of the blade of a Fixkammes.
  • the recording of the tooth elements formed from the fixed contact surface and the spring leg is integrated in a supporting body of the component of the textile machine.
  • the base material of the support body consists of a sufficiently elastic material such as aluminum. If the support body made of a less elastic material, it may also be advantageous to perform the spring leg as a separate component and to attach to the support body. In this case, the spring leg may for example consist of spring steel and exert a relatively high holding force on the tooth elements.
  • the support body has a recess associated with the spring leg, which block is used to block the device to the holding force-lifting of the spring leg with a matched to the shape of the recess rod is closed.
  • the shape of the recess adapted rod can be inserted into the recess of the support body.
  • the device is blocked to release holding power and the holding force of the spring leg can not be solved. Only after removal of the rod, the holding force of the spring leg is released again.
  • the device for releasing holding force is formed by a lever arm connected to the spring arm for relaxing the spring leg.
  • the lever arm for relaxing the spring leg may preferably be formed integrally with the spring leg.
  • the device for releasing holding force contains at least one receiving surface mounted on the spring leg for an auxiliary tool for relaxing the spring leg. To cancel the holding force, the auxiliary tool is attached to the spring leg and opened the spring leg.
  • FIG. 1 Exemplary of a tooth element 1 containing component 2 of a textile machine is in FIG. 1 a Fixkamm 2 shown for a combing machine.
  • the ridge 2 essentially consists of a blade 3, a fastening device 4 for the tooth elements 1 and the tooth elements 1 itself.
  • the ridge 2 is mounted in the combing machine so that the tooth elements 1 comb through a fiber material consisting of staple fibers in the working direction A.
  • the actual dimensions of the sheet 3 are seen in the direction A at a few millimeters thickness and perpendicular to the plane of the FIG. 1 at several hundred millimeters wide.
  • the head of the Sheet 3 forms a support body 5 for the tooth elements. 1
  • the tooth elements 1 consist of stamped parts or needles that sit with their foot part 6 in a receptacle 7 of the support body 5.
  • the tooth elements 1 are held by the fastening device 4 in the receptacle 7.
  • the fastening device 4 includes a fixed contact surface 8 for the tooth elements 1 and an elastic spring leg 9 for pressing the tooth elements 1 to the contact surface 8 with a holding force B. In the in FIG. 1 shown position of the spring leg 9 is already biased and pushes with the holding force B against the tooth elements. 1
  • the fastening device 4 includes a device 10 for retaining force-lifting of the spring leg 9.
  • the device 10 for retaining force cancellation is formed by a connected to the spring leg 9 lever arm 11 for relaxing the spring leg 9.
  • the sheet 3 of the fixed comb 2 may consist of a drawn profile of light metal, for example aluminum.
  • the spring leg 9, the fixed contact surface 8 and the lever arm 11 are integrally integrated in the support body 5 and in the sheet 3.
  • the support body 5 has a spring leg 9 associated recess 12. Through the recess 12, an imaginary pivot axis 13 is formed in the support body 5, about which the spring leg 9 is pivotable.
  • the device 10 for retaining force cancellation is actuated by the lever arm 11 is acted upon by a release force C and thereby the spring leg 9 in the direction of arrow D pivots about the pivot axis 13 and the tooth elements 1 releases.
  • the holding force B of the spring leg 9 is released and the tooth elements 1 fall practically out of the receptacle 7 out.
  • New tooth elements 1 can be very easily threaded into the receptacle 7.
  • the threaded tooth elements 1 are initially still loose, but already close and close together. After threading all the tooth elements 1 over the entire working width of the Fixkammes 2, the operation of the device 10 is released.
  • the force C is removed from the lever arm 11 and the spring leg 9 pivots back against the direction of arrow D and acts on the tooth elements 1 with its holding force B.
  • the tooth elements 1 are held securely in the support body 5 of the fixed comb 2. Other elements for attachment are not required.
  • the device 10 can be blocked for holding force cancellation after mounting the tooth elements 1.
  • a not shown Be provided bar whose outer contour is adapted to the shape of the recess 12.
  • the rod can be pushed transversely to the working direction A in the recess 12.
  • the spring leg 9 can not be pivoted about the imaginary pivot axis 13 in the direction D.
  • the rod does not extend over the entire working width of the fixed comb 2 and that only in the edge regions of the support body 5, the recess 12 is closed .
  • the dimensions of the rod are chosen in that the rod can be pressed into the recess 12 under slight pressure.
  • the holding force B of the spring leg 9 can thereby be increased.
  • FIG. 2 is a fixed comb 2 shown with a slightly different design device 20 for retaining force cancellation on the fastening device 4 for the tooth elements 1.
  • Like reference numerals denote like parts as in FIG. 1 , so that can be dispensed with a repeated description at this point.
  • the spring leg 9 is integrated in the support body 5 and can move due to the recess 12 about the imaginary pivot axis 13. In the illustrated state, the spring leg 9 is biased and presses the tooth elements 1 with the holding force B against the fixed contact surface 8.
  • the device 20 for holding power-suspension of the spring leg 9 can be actuated.
  • the device 20 for holding force cancellation includes a receiving surface 21 which is mounted in the form of a groove on the spring leg 9.
  • the active surface 23 engages in the form of at least one projection in the receiving surface 21 forming groove.
  • a lever arm 24 On the side facing away from the active surface 23 of the auxiliary tool 22, a lever arm 24 is arranged, which can be acted upon by a release force C. By applying the release force C on the lever arm 24, the holding force B of the spring leg 9 is released and the spring leg 9 swung in the direction of arrow D. The tooth elements 1 can then be easily threaded into the receptacle of the support body 5. After threading the tooth elements 1, the auxiliary tool 22 is removed and the tooth elements 1 are clamped by the holding force B of the spring leg 9.
  • the device 20 for holding force cancellation according to FIG. 2 can by closing the recess 12 by a matched to the shape of the recess 12 rod (not shown) be blocked, so that the spring leg 9 can not be pivoted in the direction of arrow D about the pivot axis 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
EP09005194A 2008-04-14 2009-04-09 Befestigungseinrichtung für Zahnelemente an einem Bauteil einer Textilmaschine Withdrawn EP2110469A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008019399A DE102008019399A1 (de) 2008-04-14 2008-04-14 Befestigungseinrichtung für Zahnelemente an einem Bauteil einer Textilmaschine

Publications (1)

Publication Number Publication Date
EP2110469A2 true EP2110469A2 (de) 2009-10-21

Family

ID=40974644

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09005194A Withdrawn EP2110469A2 (de) 2008-04-14 2009-04-09 Befestigungseinrichtung für Zahnelemente an einem Bauteil einer Textilmaschine

Country Status (5)

Country Link
US (1) US20090265892A1 (zh)
EP (1) EP2110469A2 (zh)
JP (1) JP2009256867A (zh)
CN (1) CN101560703A (zh)
DE (1) DE102008019399A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2085505A3 (de) * 2008-01-29 2011-05-18 Maschinenfabrik Rieter Ag Fixkamm einer Kämmmaschine
EP2924152A3 (en) * 2014-03-24 2016-03-16 Kabushiki Kaisha Toyota Jidoshokki Top comb device of comber

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH707012A2 (de) * 2012-09-28 2014-03-31 Rieter Ag Maschf Fixkamm für eine Kämmmaschine.
CN103103637A (zh) * 2012-12-28 2013-05-15 铜陵市霞飞新材料有限责任公司 一种针芯嵌入式给进梳
CN103436998B (zh) * 2013-07-23 2016-05-18 经纬纺织机械股份有限公司 精梳机顶梳弹簧压板装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624292A1 (de) 1986-07-18 1988-01-28 Staedtler & Uhl Vorrichtung zur befestigung von saegezahnstanzteilen auf einem tragekoerper einer textilen vorbereitungsmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624292A1 (de) 1986-07-18 1988-01-28 Staedtler & Uhl Vorrichtung zur befestigung von saegezahnstanzteilen auf einem tragekoerper einer textilen vorbereitungsmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2085505A3 (de) * 2008-01-29 2011-05-18 Maschinenfabrik Rieter Ag Fixkamm einer Kämmmaschine
EP2924152A3 (en) * 2014-03-24 2016-03-16 Kabushiki Kaisha Toyota Jidoshokki Top comb device of comber

Also Published As

Publication number Publication date
JP2009256867A (ja) 2009-11-05
DE102008019399A1 (de) 2009-10-15
CN101560703A (zh) 2009-10-21
US20090265892A1 (en) 2009-10-29

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