EP1905876A1 - Faserabfällenluftblas- und Wärmeabfuhrvorrichtung für eine Rundstrickmaschine - Google Patents

Faserabfällenluftblas- und Wärmeabfuhrvorrichtung für eine Rundstrickmaschine Download PDF

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Publication number
EP1905876A1
EP1905876A1 EP06121568A EP06121568A EP1905876A1 EP 1905876 A1 EP1905876 A1 EP 1905876A1 EP 06121568 A EP06121568 A EP 06121568A EP 06121568 A EP06121568 A EP 06121568A EP 1905876 A1 EP1905876 A1 EP 1905876A1
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EP
European Patent Office
Prior art keywords
cylinder
air
floss
heat dissipating
needle
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
EP06121568A
Other languages
English (en)
French (fr)
Other versions
EP1905876B1 (de
Inventor
Tieh-Hsiung Pai
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.)
Pai Lung Machinery Mill Co Ltd
Original Assignee
Pai Lung Machinery Mill Co Ltd
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 Pai Lung Machinery Mill Co Ltd filed Critical Pai Lung Machinery Mill Co Ltd
Priority to EP06121568A priority Critical patent/EP1905876B1/de
Priority to AT06121568T priority patent/ATE448344T1/de
Priority to DE602006010394T priority patent/DE602006010394D1/de
Publication of EP1905876A1 publication Critical patent/EP1905876A1/de
Application granted granted Critical
Publication of EP1905876B1 publication Critical patent/EP1905876B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/30—Devices for controlling temperature of machine parts

Definitions

  • the present invention relates to a floss blowing and heat dissipating apparatus and particularly to a floss blowing and heat dissipating apparatus for circular knitting machines.
  • Operation of a conventional circular knitting machine generally includes the steps of yarn supplying, knitting and fabric winding.
  • the cylinder rotates about the center of the circular knitting machine.
  • cams surrounding the cylinder that have tracks to direct needles located in the needle troughs of the cylinder to move up and down.
  • sinkers are moved forwards corresponding to the needles to proceed knitting operation.
  • the supplying yarns must be stretched tightly.
  • the yarns often generate lint or floss during operations of yarn sinking, yarn directing and yarn feeding. If the floss is not removed, it tends to clog various elements of the circular knitting machine and affect the smoothness of knitting operation, and even shorten the life span of the circular knitting machine.
  • U.S. patent No. 5,737,942 entitled “MEANS FOR DETERRING LINT AND DEBRIS ACCUMULATION ON THE KNITTING ELEMENTS OF A CIRCULAR KNITTING MACHINE” has a curved plate interposed between a horizontal frame plate and a circular frame plate and a straddle seat to form an air chamber. Through an air pump and an air supply hose, pressurized air is delivered into the air chamber. The pressurized air is dispersed naturally to the cylinder and other elements through an annular gap formed between the straddle seat and the circular frame plate to blow away the floss and achieve cooling effect.
  • Another U.S. patent No. 6,199,408 entitled “Cooling apparatus for knitting components” includes a cover located between an intermediate ring and a lower ring, and a cylindrical chamber formed between a needle-selecting actuator and the cover. There is a ventilator fan located on the cover to draw external air into the chamber. Channeling by an opening of the chamber, heat generated on the cylinder and the surrounding operation elements can be dispelled.
  • U.S. patent No. 5,737,942 it also has drawbacks same as U.S. patent No. 5,737,942 , but fares even worse in terms of the effect of floss blowing and cooling. All the problems occurred to the conventional techniques, such as poor floss blowing and cooling effect, and overloading of the air pump, are still pending to be resolved.
  • the present invention provides a floss blowing and heat dissipating apparatus for high speed circular knitting machines. It has a plurality of air vents to converge pressurized air to generate strong airflow to blow away the floss from the locations that are most likely to accumulate such as the straddle seats, cylinder and needles. Thereby usage of the pressurized air can be reduced, and life span of the airflow generator can be extended. Temperature generated due to friction between the cylinder troughs and needles is lower. An optimal cooling effect can be achieved.
  • the floss blowing and heat dissipating apparatus for high speed circular knitting machines has a cylinder in a circular knitting machine rotating about a spindle in the center.
  • the cylinder has a plurality of needle troughs. Each needle trough holds a needle or a sinker.
  • the cylinder is surrounded by a circular frame plate mounted onto a frame plate bracket and a plurality of straddle seats mounted onto a horizontal frame plate. Each of the straddle seats has a cam to guide and direct the needle to move up and down to perform knitting operation.
  • the floss blowing and heat dissipating apparatus includes an airflow generator to generate pressurized air which is delivered through an air directing hose, and a plurality of annular ducts located on the periphery of the cylinder and the straddle seats.
  • the annular ducts have a passage with openings on two ends and a plurality of air vents close to the cylinder and the straddle seats.
  • the air vents communicate with the passage.
  • At least one air intake connector is provided to bridge the annular ducts to channel the pressurized air to the passage. Thereby the pressurized air can be ejected through the air vents and blow forcefully towards the straddle seats, cylinder and needles to carry away the floss and heat accumulated thereon.
  • the circular knitting machine 1 has a cylinder 16 which can rotate about a center spindle.
  • the cylinder 16 has a plurality of needle troughs 18, and each of needle troughs 18 holds a needle 17 or a sinker (not shown in the drawings).
  • the cylinder 16 is surrounded by a circular frame plate 13 mounted onto a frame plate bracket 12 and a plurality of straddle seats 11 mounted onto a horizontal frame plate 14.
  • the frame plate bracket 12 is mounted onto a holding ring 15.
  • Each of the straddle seats 11 has a cam (not shown in the drawings). When the cylinder 16 rotates, the cam drives the needle 17 up and down to perform knitting operation.
  • the floss blowing and heat dissipating apparatus 10 includes an airflow generator 60 which may be a blower or air pump to generate pressurized air to be delivered through an air directing hose 61, a plurality of annular ducts 20 which are located on the periphery of the cylinder 16 and straddle seats 11, and mounted beneath the circular frame plate 13 through an anchor rack 21.
  • the annular ducts 20 have a passage 40 with two open ends.
  • the annular ducts 20 close to the cylinder 16 and straddle seats 11 have a plurality of air vents 22 communicating with the passage 40.
  • At least one air intake connector 30 is provided to bridge the annular ducts 20.
  • the air intake connector 30 has an air inlet 31 to channel the pressurized air into the passage 40.
  • connection ports 32 and 33 that are coupled through a connection duct 50 (referring FIG. 4). Aside from connecting the annular ducts 20 through the air intake connector 30, they also may be coupled directly through the connection duct 50.
  • the pressurized air can be ejected forcefully through the air vents 22 towards the straddle seats 11, cylinder 16 and needles 17 to carry away the accumulating floss and heat.
  • the pressurized air ejected through the air vents 22 mainly is directed to an upper inclined surface of the straddle seats 11 so that the pressurized air can be diverted or refracted upwards towards the cylinder 16 and needles 17 to carry away the floss and heat accumulating on the straddle seats 11, cylinder 16 and needles 17.
  • FIG. 8 for a second embodiment of the invention that is covered by Claim 7 hereunder. It differs from the first embodiment by directly forming the air inlet 31 on one annular duct 20, and the annular ducts 20 are coupled tightly by a connection duct 50. Hence the pressurized air can be ejected forcefully through the air vents 22 towards the straddle seats 11, cylinder 16 and needles 17 to carry away the floss and heat accumulating thereon.
  • FIG. 9 for a third embodiment of the invention that is covered by Claim 11 hereunder. It differs from the first embodiment by having only one annular duct 20 beneath the circular frame plate 13.
  • the annular duct 20 also has an air inlet 31 to channel the pressurized air to the air vents 22 for ejection forcefully towards the straddle seats 11, cylinder 16 and needles 17 to carry away the floss and heat accumulating thereon.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)
EP06121568A 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer Faserabfällenluftblas- und Wärmeabfuhrvorrichtung Not-in-force EP1905876B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06121568A EP1905876B1 (de) 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer Faserabfällenluftblas- und Wärmeabfuhrvorrichtung
AT06121568T ATE448344T1 (de) 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer faserabfällenluftblas- und wärmeabfuhrvorrichtung
DE602006010394T DE602006010394D1 (de) 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer Faserabfällenluftblas- und Wärmeabfuhrvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06121568A EP1905876B1 (de) 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer Faserabfällenluftblas- und Wärmeabfuhrvorrichtung

Publications (2)

Publication Number Publication Date
EP1905876A1 true EP1905876A1 (de) 2008-04-02
EP1905876B1 EP1905876B1 (de) 2009-11-11

Family

ID=37497874

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121568A Not-in-force EP1905876B1 (de) 2006-09-29 2006-09-29 Hochgeschwindigkeitsrundstrickmaschine mit einer Faserabfällenluftblas- und Wärmeabfuhrvorrichtung

Country Status (3)

Country Link
EP (1) EP1905876B1 (de)
AT (1) ATE448344T1 (de)
DE (1) DE602006010394D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114351346A (zh) * 2022-01-17 2022-04-15 信泰(福建)科技有限公司 一种编织设备定向恒温装置及编织设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219467A1 (de) * 1981-06-04 1983-07-28 Veb Kombinat Textima, Ddr 9010 Karl-Marx-Stadt Strickmaschine, insbesondere rundstrickmaschine mit abblaseinrichtung
US5737942A (en) * 1996-07-03 1998-04-14 Alandale Industries, Inc. Means for deterring lint and debris accumulation on the knitting elements of a circular knitting machine
US6199408B1 (en) * 1998-06-16 2001-03-13 Precision Fukuhara Works, Ltd. Cooling apparatus for knitting components
EP1650336A1 (de) * 2004-10-06 2006-04-26 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH Rundstrickmaschine mit einer Entstaubungseinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219467A1 (de) * 1981-06-04 1983-07-28 Veb Kombinat Textima, Ddr 9010 Karl-Marx-Stadt Strickmaschine, insbesondere rundstrickmaschine mit abblaseinrichtung
US5737942A (en) * 1996-07-03 1998-04-14 Alandale Industries, Inc. Means for deterring lint and debris accumulation on the knitting elements of a circular knitting machine
US6199408B1 (en) * 1998-06-16 2001-03-13 Precision Fukuhara Works, Ltd. Cooling apparatus for knitting components
EP1650336A1 (de) * 2004-10-06 2006-04-26 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH Rundstrickmaschine mit einer Entstaubungseinrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114351346A (zh) * 2022-01-17 2022-04-15 信泰(福建)科技有限公司 一种编织设备定向恒温装置及编织设备

Also Published As

Publication number Publication date
EP1905876B1 (de) 2009-11-11
ATE448344T1 (de) 2009-11-15
DE602006010394D1 (de) 2009-12-24

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