EP2263960B1 - Roller structure for fabric winding machine - Google Patents

Roller structure for fabric winding machine Download PDF

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Publication number
EP2263960B1
EP2263960B1 EP09163273A EP09163273A EP2263960B1 EP 2263960 B1 EP2263960 B1 EP 2263960B1 EP 09163273 A EP09163273 A EP 09163273A EP 09163273 A EP09163273 A EP 09163273A EP 2263960 B1 EP2263960 B1 EP 2263960B1
Authority
EP
European Patent Office
Prior art keywords
roller
fabric
positioning portion
winding machine
half roller
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.)
Not-in-force
Application number
EP09163273A
Other languages
German (de)
French (fr)
Other versions
EP2263960A1 (en
Inventor
Shih-Chi Chen
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 PL09163273T priority Critical patent/PL2263960T3/en
Priority to AT09163273T priority patent/ATE551288T1/en
Priority to EP09163273A priority patent/EP2263960B1/en
Publication of EP2263960A1 publication Critical patent/EP2263960A1/en
Application granted granted Critical
Publication of EP2263960B1 publication Critical patent/EP2263960B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2218—Collapsible hubs
    • B65H75/2227—Collapsible hubs with a flange fixed to the hub part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2254—Constructional details collapsible; with removable parts with particular joining means for releasably connecting parts

Definitions

  • the present invention relates to a roller structure for a fabric winding machine and particularly to a roller structure of a fabric winding machine used on a circular knitting machine.
  • a fabric winding machine is located below a circular knitting machine to drive a roller to roll up a fabric knitted by the circular knitting machine into a neat bundle.
  • Reference of related techniques can be found in R.O.C. patent Nos. M348770, M307018 and M303921. They all disclose a roller in a cylindrical shape. In order to facilitate removal of the roller after fabric winding operation is finished, the outer diameter of the roller is gradually increased from one end towards the other end. To prevent insufficient friction between the surface of the roller and the fabric during fabric winding, the surface of the roller has to be formed in a non-smooth or anti-slipping fashion. Although the diameter of the cylindrical roller is gradually enlarged, the non-smooth or anti-slipping surface increases the friction between the roller and fabric, this makes removing of the roller difficult.
  • GB 2 135 968 A discloses a roller structure according to the preamble of claim 1.
  • the roller structure comprises a roll former mounted for rotation about a horizontal axis which has a core.
  • the roller former is divided between its ends into two half rollers and tapers from a maximum transverse periphery at its ends to a minimum transverse periphery where it is divided.
  • the cross-section of the roll former is rectangular, which makes withdrawal of the two half rollers difficult.
  • FR 2 606 388 discloses another roller structure that consists of two half rollers each of cylindrical shape.
  • JP 61 041118 U discloses another roller structure of polygonal shape.
  • the roller has outer diameters gradually enlarged towards two ends. It includes a first half roller and a second half roller.
  • the first half roller and the second half roller have respectively a first positioning portion and a second positioning portion at one end corresponding and fastenable to each other to form the roller.
  • the first half roller and the second half roller thus formed provides a smaller contact area with the fabric, hence the roller is easier to remove.
  • the fabric is confined to the center portion of the roller during fabric rolling operation without skewing. Hence the fabric can be steadily rolled up on the roller.
  • the first and second half rollers are formed with polygonal outer walls consisting of multiple plane and smooth surfaces.
  • the polygonal structure can increase friction between the roller and the fabric to facilitate fabric rolling.
  • the smooth surfaces of the outer walls can reduce friction resistance to make removing of the roller easier.
  • the invention provides many benefits, such as:
  • the present invention provides a roller 20 for a fabric winding machine.
  • the roller 20 is mounted onto a fabric winding machine 10 to roll up fabric.
  • the roller 20 includes a first half roller 21 and a second half roller 22 that have the same length, and have respectively a first positioning portion 211 and a second positioning portion 221 at one end corresponding to each other so that they can be fastened or assembled together to form the whole set of the roller 20.
  • the roller 20 is formed at an outer diameter gradually enlarged towards two ends, namely the diameter of the first half roller 21 increases gradually from the first positioning portion 211 towards one end where it is held on the fabric winding machine 10, and same is happened to the second half roller 22 with the diameter gradually increased from the second positioning portion 221 towards another end where it is also held on the fabric winding machine 10, thus forms the main structure of the invention.
  • the first and second positioning portions 211 and 221 are a strut and a trough mating and fastenable to each other.
  • the first and second half rollers 21 and 22 have outer walls formed in a polygonal structure consisting of multiple planes to facilitate fabric rolling. Hence there is no need to form anti-slipping surfaces on the roller 20.
  • the outer walls of the first and second half rollers 21 and 22 are formed with smooth surfaces to reduce friction between the roller 20 and the contacted fabric. Such a structure also makes removing of the roller 20 easier. Because of the roller 20 is formed with greater diameters at the two ends, skewing of the fabric rolled up on the roller 20 is less likely to happen. Thus the fabric can be rolled up steadily on the roller 20.
  • the invention mainly divides the roller 20 into the first half roller 21 and the second half roller 22 that are fastenable to each other.
  • the first and second half rollers 21 and 22 are formed at one half of the length of the roller 20, and can be removed from two sides of the fabric 30, each forms a smaller contact area with the fabric 30 and the roller 20 can be removed easier.
  • the outer diameter of the roller 20 gradually enlarged towards two ends, during fabric rolling operation, the rolled up fabric 30 is confined in the center portion of the roller 20 without skewing so that the fabric 30 can be steadily rolled up on the roller 20.
  • the present invention provides many benefits, notably:

Landscapes

  • Rolls And Other Rotary Bodies (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Looms (AREA)

Abstract

A roller mounted onto a fabric winding machine (10) to roll up fabric aims to solve the shortcomings of the conventional rollers that tend to cause fabric skewing during fabric rolling and are difficult to remove due to a lengthy structure. The roller (20) of the invention has an outer diameter gradually enlarged towards two ends, and includes a first half roller (21) and a second half roller (22) that have respectively a first positioning portion (211) and a second positioning portion (221) at one end corresponding and fastenable to each other. The greater diameters at two ends allow the fabric (30) to be rolled up on the roller (20) without skewing. The two pieces design of the roller (20) makes each piece shorter and removing from a bundle of rolled up fabric easier. The roller (20) thus formed can facilitate fabric rolling and removal thereof.

Description

    FIELD OF THE INVENTION
  • The present invention relates to a roller structure for a fabric winding machine and particularly to a roller structure of a fabric winding machine used on a circular knitting machine.
    • BACKGROUND OF THE INVENTION
  • A fabric winding machine is located below a circular knitting machine to drive a roller to roll up a fabric knitted by the circular knitting machine into a neat bundle. Reference of related techniques can be found in R.O.C. patent Nos. M348770, M307018 and M303921. They all disclose a roller in a cylindrical shape. In order to facilitate removal of the roller after fabric winding operation is finished, the outer diameter of the roller is gradually increased from one end towards the other end. To prevent insufficient friction between the surface of the roller and the fabric during fabric winding, the surface of the roller has to be formed in a non-smooth or anti-slipping fashion. Although the diameter of the cylindrical roller is gradually enlarged, the non-smooth or anti-slipping surface increases the friction between the roller and fabric, this makes removing of the roller difficult.
  • To remedy the aforesaid dilemma of easy fabric winding but difficult removing, improved techniques have been developed such as R.O.C. patent Nos. 1296293 and 1248485 . Both provide a roller which also has the outer diameter gradually enlarged from one end towards the other end, but the outer surface of the roller is a polygon consisting of multiple planes rather than cylindrical. Such a structure has surface angles to increase friction during fabric winding without forming anti-slipping surfaces and the surfaces may also be smooth. The roller thus formed can facilitate fabric winding, and removing of the roller also is easier due to smaller friction.
  • While the polygonal roller can solve the problem of the cylindrical one, both of them still have drawbacks in practice, notably:
    1. 1. The roller is lengthy and results in a greater contact area between the roller and the fabric. Friction between them also is greater. Removing the roller is difficult and takes more time. The fabric in the middle of the bundle is easily drawn out during removing of the roller. Hence removing the roller is troublesome.
    2. 2. As the outer diameter of the roller gradually enlarges towards one end, when the fabric winding machine rotates to drive the roller to roll up the fabric, the fabric tends to skew due to rotation of the fabric winding machine. The entire bundle of the fabric could even be thrown out.
  • GB 2 135 968 A discloses a roller structure according to the preamble of claim 1. The roller structure comprises a roll former mounted for rotation about a horizontal axis which has a core. The roller former is divided between its ends into two half rollers and tapers from a maximum transverse periphery at its ends to a minimum transverse periphery where it is divided. However, the cross-section of the roll former is rectangular, which makes withdrawal of the two half rollers difficult.
  • FR 2 606 388 discloses another roller structure that consists of two half rollers each of cylindrical shape.
  • JP 61 041118 U discloses another roller structure of polygonal shape.
    • SUMMARY OF INVENTION
  • It is an object of the present invention to provide an improved roller structure for a fabric winding machine, wherein the two half rollers can be removed easily and which is also suited to prevent skewing of the fabric during rolling-up operation to allow the fabric to be steadily roller-up on the roller.
  • This problem is solved by a roller structure according to claim 1. Further advantageous embodiments are the subject-matter of the dependent claims.
  • The roller has outer diameters gradually enlarged towards two ends. It includes a first half roller and a second half roller. The first half roller and the second half roller have respectively a first positioning portion and a second positioning portion at one end corresponding and fastenable to each other to form the roller. The first half roller and the second half roller thus formed provides a smaller contact area with the fabric, hence the roller is easier to remove. Moreover, as the outer diameters of the roller are gradually enlarged towards the two ends, the fabric is confined to the center portion of the roller during fabric rolling operation without skewing. Hence the fabric can be steadily rolled up on the roller.
  • The first and second half rollers are formed with polygonal outer walls consisting of multiple plane and smooth surfaces. The polygonal structure can increase friction between the roller and the fabric to facilitate fabric rolling. The smooth surfaces of the outer walls can reduce friction resistance to make removing of the roller easier.
  • In short, compared with the conventional techniques, the invention provides many benefits, such as:
    1. 1. Removing the roller is easier and takes less time, and operation efficiency increases.
    2. 2. Improving fabric rolling quality.
  • The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
    • BRIEF DESCRIPTION OF THE DRAWINGS
    • FIG. 1 is a schematic view of an embodiment of the invention.
    • FIG. 2 is a perspective view of the invention.
    • FIG. 3 is an exploded view of the invention.
    • FIG. 4 is a sectional view of the invention.
    • FIGS. 5A, 5B and 5C are schematic views of the invention in operating conditions.
    DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • Please refer to FIGS. 1 through 4, the present invention provides a roller 20 for a fabric winding machine. The roller 20 is mounted onto a fabric winding machine 10 to roll up fabric. The roller 20 includes a first half roller 21 and a second half roller 22 that have the same length, and have respectively a first positioning portion 211 and a second positioning portion 221 at one end corresponding to each other so that they can be fastened or assembled together to form the whole set of the roller 20. The roller 20 is formed at an outer diameter gradually enlarged towards two ends, namely the diameter of the first half roller 21 increases gradually from the first positioning portion 211 towards one end where it is held on the fabric winding machine 10, and same is happened to the second half roller 22 with the diameter gradually increased from the second positioning portion 221 towards another end where it is also held on the fabric winding machine 10, thus forms the main structure of the invention. In an embodiment of the invention, the first and second positioning portions 211 and 221 are a strut and a trough mating and fastenable to each other.
  • The first and second half rollers 21 and 22 have outer walls formed in a polygonal structure consisting of multiple planes to facilitate fabric rolling. Hence there is no need to form anti-slipping surfaces on the roller 20. The outer walls of the first and second half rollers 21 and 22 are formed with smooth surfaces to reduce friction between the roller 20 and the contacted fabric. Such a structure also makes removing of the roller 20 easier. Because of the roller 20 is formed with greater diameters at the two ends, skewing of the fabric rolled up on the roller 20 is less likely to happen. Thus the fabric can be rolled up steadily on the roller 20.
  • Referring to FIGS. 5A through 5C, when fabric rolling operation is finished and removing of the roller 20 is desired, first, remove the first half roller 21 by separating the strut of the first positioning portion 211 from the trough of the second positioning portion 221. As the strut is formed at a diameter smaller than the first half roller 21, during removal of the first half roller 21, a gap is formed between the strut and the fabric 30, hence contact between the two and friction resistance occurred also are smaller. Therefore, removing the first half roller 21 is easier. Afterwards, the second half roller 22 also can be removed to complete removing of the roller 20.
  • As a conclusion, the invention mainly divides the roller 20 into the first half roller 21 and the second half roller 22 that are fastenable to each other. As the first and second half rollers 21 and 22 are formed at one half of the length of the roller 20, and can be removed from two sides of the fabric 30, each forms a smaller contact area with the fabric 30 and the roller 20 can be removed easier. Moreover, the outer diameter of the roller 20 gradually enlarged towards two ends, during fabric rolling operation, the rolled up fabric 30 is confined in the center portion of the roller 20 without skewing so that the fabric 30 can be steadily rolled up on the roller 20.
  • In short, compared with the conventional techniques, the present invention provides many benefits, notably:
    1. 1. Removing of the roller 20 is easier and takes less time, hence improves operation efficiency.
    2. 2. Improving the quality of fabric rolling operation.
  • While the preferred embodiment of the invention has been set forth for the purpose of disclosure, modifications of the disclosed embodiment of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.

Claims (4)

  1. A roller structure for a fabric winding machine to be mounted onto the fabric winding machine (10) to roll up a fabric (30), comprising a roller (20) including a first half roller (21) and a second half roller (22) that have respectively a first positioning portion (211) and a second positioning portion (221) at one end thereof that correspond to each other and can be assembled together to form said roller (20), wherein
    the outer walls of the first half roller (21) and the second half roller (22) are formed in a polygonal structure consisting of multiple planes and
    an outer diameter of said roller (20) gradually increases towards two ends thereof,
    characterized in that the cross-section of said roller (20) is square-shaped, wherein the first half roller (21) and the second half roller (22) have outer walls formed in smooth surfaces to reduce friction between the roller (20) and the contacted fabric (30).
  2. The roller structure of claim 1, wherein the first positioning portion (211) and the second positioning portion (221) are a strut and a trough mating and fastenable to each other.
  3. The roller structure of any of the preceding claims, wherein the first half roller (21) and the second half roller (22) are formed at a same length.
  4. The roller structure of any of the preceding claims, wherein the first half roller (21) is formed at an outer diameter enlarged gradually from one end where the first positioning portion (211) is formed towards another end, and the second half roller (22) is formed at another outer diameter enlarged gradually from one end where the second positioning portion (221) is formed towards another end thereof.
EP09163273A 2009-06-19 2009-06-19 Roller structure for fabric winding machine Not-in-force EP2263960B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL09163273T PL2263960T3 (en) 2009-06-19 2009-06-19 Roller structure for fabric winding machine
AT09163273T ATE551288T1 (en) 2009-06-19 2009-06-19 ROLLER STRUCTURE FOR MACHINE FOR WINDING TEXTILE PRODUCTS
EP09163273A EP2263960B1 (en) 2009-06-19 2009-06-19 Roller structure for fabric winding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09163273A EP2263960B1 (en) 2009-06-19 2009-06-19 Roller structure for fabric winding machine

Publications (2)

Publication Number Publication Date
EP2263960A1 EP2263960A1 (en) 2010-12-22
EP2263960B1 true EP2263960B1 (en) 2012-03-28

Family

ID=41279504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09163273A Not-in-force EP2263960B1 (en) 2009-06-19 2009-06-19 Roller structure for fabric winding machine

Country Status (3)

Country Link
EP (1) EP2263960B1 (en)
AT (1) ATE551288T1 (en)
PL (1) PL2263960T3 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135968B (en) 1983-02-19 1986-03-12 Colin Watts Removable core for web winding reel
JPS6141118U (en) 1984-08-15 1986-03-15 川崎製鉄株式会社 Conveyance roll
FR2606388A1 (en) 1986-11-12 1988-05-13 Barbier Cie Extrusion Polyethy Device for paying out rolls of sheet-like materials, especially plastic packaging films
TW200641197A (en) 2005-05-24 2006-12-01 Pai Lung Machinery Mill Co Ltd A cantilever, high-leg and high-speed fabric rolling machine
TWI248485B (en) 2005-05-24 2006-02-01 Pai Lung Machinery Mill Co Ltd Cloth unloading device for high-leg, high-speed cloth rolling machine
TWM303921U (en) 2006-01-17 2007-01-01 Ching-Yung Lin Improved high workload cloth rewinding machine
TWM307018U (en) 2006-05-26 2007-03-01 Chin-Yung Lin Improved structure of take-up tension for circular knitting machine
TWM348770U (en) 2008-06-30 2009-01-11 Chin-Yung Lin Improved cloth-rolling structure of rolling machine

Also Published As

Publication number Publication date
ATE551288T1 (en) 2012-04-15
EP2263960A1 (en) 2010-12-22
PL2263960T3 (en) 2012-08-31

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