EP2397583A2 - Structure de cadre pour peigne - Google Patents

Structure de cadre pour peigne Download PDF

Info

Publication number
EP2397583A2
EP2397583A2 EP11169412A EP11169412A EP2397583A2 EP 2397583 A2 EP2397583 A2 EP 2397583A2 EP 11169412 A EP11169412 A EP 11169412A EP 11169412 A EP11169412 A EP 11169412A EP 2397583 A2 EP2397583 A2 EP 2397583A2
Authority
EP
European Patent Office
Prior art keywords
frame
nipper
shaft
frame structure
rails
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
EP11169412A
Other languages
German (de)
English (en)
Other versions
EP2397583A3 (fr
EP2397583B1 (fr
Inventor
Masami Shinbara
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.)
Toyota Industries Corp
Original Assignee
Toyota Industries Corp
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 Toyota Industries Corp filed Critical Toyota Industries Corp
Publication of EP2397583A2 publication Critical patent/EP2397583A2/fr
Publication of EP2397583A3 publication Critical patent/EP2397583A3/fr
Application granted granted Critical
Publication of EP2397583B1 publication Critical patent/EP2397583B1/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
    • D01G19/24—Framework; Casings; Coverings

Definitions

  • the present invention relates to a frame structure for a comber.
  • a typical comber has an operational portion, in which eight combing heads are arranged.
  • Each combing head includes a nipper and a combing cylinder.
  • the nipper holds distal end of lap fed by a predetermined amount at a time.
  • the distal end of the lap is combed with the combing cylinder.
  • This turns the lap into fleece.
  • the fleece is moved toward detaching rollers.
  • the detaching rollers are rotated in the reverse direction in response to the advance of the fleece, and fleece that has been taken before (preceding fleece) is retreated. Then, the trailing end of the preceding fleece and the advancing end of the newly combed fleece (succeeding fleece) are overlapped.
  • the detaching rollers are rotated forward to take the fleece from the nipper, and the trailing end of the fleece is combed with a top comb, which is stuck into the fleece. Then, the fleeces made by repeating this process in the combing heads are bundled and drafted, and thereafter compressed by calender rollers so as to become sliver.
  • Modern combers are operated in such a manner that the rotational speed of combing cylinders is about 200 to 300 rpm.
  • the advance and retreat of nippers and swinging motion (back-and-forth pivoting) of detaching rollers are executed as quickly as 200 to 300 times per minute, accordingly.
  • the quality of the obtained fleeces is influenced by the sticking amount of needles of a combing cylinder into the lap when the lap is combed by the combing cylinder. Specifically, when the depth of the sticking amount is changed by approximately 0.3 mm (penetration depth), the quality of obtained sliver changed. Therefore, all the combing heads must have the same positional relationship among the nipper shaft, the combing cylinder, and the detaching rollers.
  • the frame structure for a comber includes machine frames (middle frames) that partitions combing heads 50 from one another (Japanese Laid-Open Utility Model Publication No. 6-12483 ).
  • the frame structure for a comber includes a plurality of base surface plates 51 and eight middle frames 52 arranged on the base surface plates 51 to extend upright.
  • a nipper shaft 53, a cylinder shaft 54, detaching rollers 55, and lap rollers 56 are rotatably supported by the middle frames 52 with non-illustrated bearings, while extending through the middle frames 52.
  • the nipper shaft 53, the cylinder shaft 54, and the detaching rollers 55 are omitted.
  • a frame structure is designed such that, the distances between a base surface plate 51 and each of the nipper shaft 53, the cylinder shaft 54, and the detaching rollers 55 in a part corresponding to each combing head 50 are common to all the combing heads 50.
  • high assembly accuracy is required.
  • the positional tolerance of the holes for receiving the nipper shaft 53 and other shafts needs to be one hundredth of a millimeter or less. To meet this requirement, constant temperature machining needs to be performed. This results in a larger number of manufacturing steps and increased costs.
  • a frame structure for a comber includes a left frame, a right frame, and two front and rear upper rails.
  • the left frame and the right frame are arranged so that all the combing heads are between the left and right frames.
  • the front and rear upper rails extend between and are coupled to upper parts of the left and right frames.
  • At least a nipper shaft, a cylinder shaft, and a detaching roller are supported by the upper rails.
  • At least the nipper shaft, the cylinder shaft, and the shaft of the detaching roller each have such a length that it extends over all the combing heads, and require highly accurate positional relationship thereamong.
  • these shafts are supported by the upper rails.
  • the upper rails are bent between the left frame and the right frame, causing the distance from the frame structure installation surface and each of the nipper shaft, the cylinder shaft, and the detaching roller to be different between combing heads located close to the center of the frame structure and combing heads located close to an end of the frame structure.
  • the amount of difference is greater than that in a case where surface plates and middle frames used that are formed with a high machining accuracy of one hundredth of a millimeter or less.
  • a nipper shaft, a cylinder shaft, and a detaching roller can be reliably supported without using surface plates and middle frames, which require high machining accuracy (accuracy within one hundredth of a millimeter).
  • a comber has an operational portion, in which eight combing heads are arranged.
  • a combing head 11 includes a nipper device 14 having a pair of lap rollers 12 and a feed roller 13, a combing cylinder 15 that rotates integrally with a cylinder shaft 15a, and two pairs of detaching rollers 16, 17, each pair of which are arranged along the front-back direction.
  • the detaching rollers 16 and 17 have detaching top rollers 16a and 17a, respectively.
  • the nipper device 14 has a nipper frame 18, which is located above the combing cylinder 15 to be swingable along the advancing and retreating directions.
  • a bottom nipper 19 is provided at the bottom of the nipper frame 18.
  • a nipper arm 20 is pivotably connected to the nipper frame 18 with a support shaft 18a, and a top nipper 20a is fixed to the distal end of the nipper arm 20.
  • the top nipper 20a opens and closes at predetermined timing to hold lap L in cooperation with the bottom nipper 19.
  • a top comb 21 is attached to the nipper frame 18. The top comb 21 is located forward of the bottom nipper 19 and performs a predetermined action in synchronization with the nipper frame 18.
  • a nipper shaft 22 is arranged at the rear of the combing cylinder 15 and below the nipper frame 18 to be able to pivot back and forth.
  • a first end of a nipper frame drive arm 23 is secured to the nipper shaft 22 to pivot integrally with the nipper shaft 22, and the rear end of the nipper frame 18 is pivotably supported on a second end of the nipper frame drive arm 23 via a support shaft 23a.
  • the nipper frame 18 is configured to be swung back and forth such that the distal end of the bottom nipper 19 approaches and separates from the detaching rollers 16, 17 by back-and-forth pivoting (swinging motion) of the nipper shaft 22.
  • the frame structure includes a left frame 31, a right frame 32, a front upper rail 33a, and a rear upper rail 33b.
  • the left frame 31 and the right frame 32 are arranged so that all the combing heads 11 are between the left and right frames.
  • the upper rails 33a, 33b extend parallel to the longitudinal direction of the comber (left-right direction in Fig. 1A ) and extend between and are coupled to the upper ends of the left and right frames 31, 32.
  • the upper rails 33a, 33b are provided at the same height.
  • the upper rails 33a, 33b are formed into tubular shapes (rectangular tubes in the present embodiment).
  • the frame structure further includes a front lower rail 34a and a rear lower rail 34b.
  • the lower rails 34a, 34b are extend between and coupled to the lower parts of the left frame 31 and the right frame 32.
  • the lower rails 34a, 34b are parallel to each other at the same height.
  • the lower rails 34a, 34b are formed into the same tubular shape as the upper rails 33a, 33b.
  • the lower rails 34a, 34b are supported by base members 35 at a middle position along the longitudinal direction. In the present embodiment, the base members 35 support the lower rails 34a, 34b at positions that divide the length between the left frame 31 and the right frame 32 into quarters.
  • Middle frames 36 are located between and coupled to the upper rails 33a, 33b and the lower rails 34a, 34b.
  • the middle frames 36 are formed into rectangular frames and have an upper end and lower corners. The upper ends are coupled to the lower surfaces of the upper rails 33a, 33b.
  • the lower corners correspond to the corners of the lower rails 34a, 34b and are formed as cutouts. The lower corners are coupled to the corners of the lower rails 34a, 34b.
  • the middle frames 36 are coupled to the lower rails 34a, 34b at positions corresponding to the base members 35.
  • the detaching rollers 16, 17 are supported by the front upper rail 33a via brackets 37 fixed to the front upper rail 33a.
  • the cylinder shaft 15a is supported by the front upper rail 33a via brackets 38 fixed to the front upper rail 33a.
  • the nipper shaft 22 is supported by the rear upper rail 33b via brackets 39 fixed to the rear upper rail 33b.
  • the lap rollers 12 (the shafts thereof, to be exact) are supported by the rear upper rail 33b via brackets 40 fixed to the rear upper rail 33b.
  • the lap rollers 12 (the shafts thereof, to be exact), the cylinder shaft 15a, the detaching rollers 16, 17 (the shafts thereof, to be exact), and the nipper shaft 22 all have a length that extend over all of the combing heads 11.
  • the brackets 37 to 40 are each arranged between an adjacent pair of the combing heads 11.
  • the brackets 37 for the detaching rollers 16, 17 and the brackets 38 for the cylinder shafts 15a are fixed to the upper rail 33a, while being displaced from each other along a direction perpendicular to the sheet of Fig. 1B , so as not to contact each other.
  • other shafts such as brush shafts are supported between the left frame 31 and the right frame 32.
  • the nipper shaft 22, which is a drive source for swinging motion of the bottom nipper 19, and the cylinder shaft 15a, which is a rotational drive source of the combing cylinder 15, need to be parallel to each other and maintain a predetermined positional relationship.
  • the nipper shaft 22 and the cylinder shaft 15a are parallel to each other and maintain a predetermined positional relationship, sliver of a desired high quality can be obtained even if the distance from the comber installation surface and each of the nipper shaft 22 and the cylinder shaft 15a varies among the combing heads 11.
  • the frame structure does not have surface plates that are formed with high machining accuracy for positional tolerance within one hundredth of a millimeter, or middle frames that are each provided between combing heads 11 and formed with high machining accuracy. Therefore, the upper rails 33a, 33b and the lower rails 34a, 34b, which form the frame structure, are bent between the left frame 31 and the right frame 32. In the upper rails 33a, 33b and the lower rails 34a, 34b, the amount of bending is different between a part close to the left frame 31 or the right frame 32 and a central part.
  • the values of distances from the comber installation surface to each of the cylinder shaft 15a, the detaching rollers 16, 17, and the nipper shaft 22 vary among the combing heads 11.
  • the present embodiment has the following advantages.
  • the number and the positions of the middle frames 36 are not limited to those presented in the above illustrated embodiment, but may be reduced or increased. Alternatively, the positions of the middle frames 36 may be changed without changing the number thereof.
  • the frame structure needs to have at least the left frame 31 and the right frame 32, and the two front and rear upper rails 33a, 33b, which are coupled to the upper parts of the left frame 31 and the right frame 32.
  • the lower rails 34a, 34b the second advantage (2) is achieved.
  • the middle frames 36 or the base members 35 the frame structure can be robust as a whole, so that the machine vibration is reduced.
  • the upper rails 33a, 33b and the lower rails 34a, 34b are not limited to rectangular tubes, but may be tubes of other polygon or cylindrical. Also, the rails 33a, 33b, 34a, 34b are not limited to tubular shaped, but may be solid. For example, the rails 33a, 33b, 34a, 34b may be solid bodies having I-shaped or L-shaped cross-sections.
  • the upper rails 33a, 33b and the lower rails 34a, 34b do not need to have the same shape or size. However, the upper rails 33a, 33b preferably have the same bending strength, and the lower rails 34a, 34b preferably have the same bending strength.
  • the brackets 37 for supporting the detaching rollers 16, 17 and the brackets 38 for supporting the cylinder shaft 15a may be formed integrally.
  • the middle frames 36 do not need to have a substantially rectangular shape, but may have other shapes.
  • the frame structure may include a middle frame coupling only the front upper rail 33a and the lower rail 34a to each other, a middle frame coupling only the rear upper rail 33b and the lower rail 34b to each other, a middle frame coupling only the upper rails 33a, 33b to each other, and a middle frame coupling only the lower rails 34a, 34b to each other.
  • a frame structure for a comber includes a left frame, a right frame, and two front and rear upper rails.
  • the left frame and the right frame are arranged so that all the combing heads are between the left and right frames.
  • the front and rear upper rails extend between and are coupled to upper parts of the left and right frames. At least a nipper shaft, a cylinder shaft, and a detaching roller are supported by the upper rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP11169412.1A 2010-06-16 2011-06-10 Structure de cadre pour peigne Active EP2397583B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010137222A JP5648333B2 (ja) 2010-06-16 2010-06-16 コーマのフレーム構造

Publications (3)

Publication Number Publication Date
EP2397583A2 true EP2397583A2 (fr) 2011-12-21
EP2397583A3 EP2397583A3 (fr) 2015-01-14
EP2397583B1 EP2397583B1 (fr) 2016-04-13

Family

ID=44681935

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11169412.1A Active EP2397583B1 (fr) 2010-06-16 2011-06-10 Structure de cadre pour peigne

Country Status (3)

Country Link
EP (1) EP2397583B1 (fr)
JP (1) JP5648333B2 (fr)
CN (1) CN102286808B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012887A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Cadre pour une peigneuse
WO2016059495A1 (fr) 2014-10-16 2016-04-21 Maschinenfabrik Rieter Ag Disposition d'aspiration pour peigneuse
EP3382071A1 (fr) * 2017-03-29 2018-10-03 Kabushiki Kaisha Toyota Jidoshokki Structure de cadre pour peigne

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0612483U (ja) 1992-07-20 1994-02-18 株式会社原織機製作所 コーマー機におけるサクションボックス内の落綿付着検知装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB933835A (en) * 1961-04-04 1963-08-14 Tmm Research Ltd Improvements relating to textile combing machines
DE2220228B2 (de) * 1972-04-25 1976-05-13 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Spinn- oder zwirnmaschine
JPS5310178B2 (fr) * 1972-07-05 1978-04-12
FR2206395B1 (fr) * 1972-11-10 1975-11-07 Mulhouse Alsa Const Meca
US3990219A (en) * 1975-06-11 1976-11-09 Barber-Colman Company Combination structural backbone and air duct
JPH0926528A (ja) * 1995-07-10 1997-01-28 Fuji Elelctrochem Co Ltd 光回路モジュール
CN1338533A (zh) * 2001-08-09 2002-03-06 山西鸿基实业有限公司 精梳机
EP1586682B1 (fr) * 2004-04-13 2007-04-18 Maschinenfabrik Rieter Ag Entraînement pour une peigneuse
CN2793109Y (zh) * 2005-05-14 2006-07-05 东台纺织机械有限责任公司 精梳机墙板结构

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0612483U (ja) 1992-07-20 1994-02-18 株式会社原織機製作所 コーマー機におけるサクションボックス内の落綿付着検知装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016012887A1 (fr) 2014-07-21 2016-01-28 Maschinenfabrik Rieter Ag Cadre pour une peigneuse
WO2016059495A1 (fr) 2014-10-16 2016-04-21 Maschinenfabrik Rieter Ag Disposition d'aspiration pour peigneuse
EP3382071A1 (fr) * 2017-03-29 2018-10-03 Kabushiki Kaisha Toyota Jidoshokki Structure de cadre pour peigne

Also Published As

Publication number Publication date
CN102286808A (zh) 2011-12-21
CN102286808B (zh) 2015-03-11
JP5648333B2 (ja) 2015-01-07
EP2397583A3 (fr) 2015-01-14
JP2012001844A (ja) 2012-01-05
EP2397583B1 (fr) 2016-04-13

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