WO2015089681A1 - Vorrichtung zur verknäuelung und zum wägen von garn - Google Patents
Vorrichtung zur verknäuelung und zum wägen von garn Download PDFInfo
- Publication number
- WO2015089681A1 WO2015089681A1 PCT/CH2014/000180 CH2014000180W WO2015089681A1 WO 2015089681 A1 WO2015089681 A1 WO 2015089681A1 CH 2014000180 W CH2014000180 W CH 2014000180W WO 2015089681 A1 WO2015089681 A1 WO 2015089681A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- yarn
- wall
- opening
- outlet opening
- container
- Prior art date
Links
- 238000005303 weighing Methods 0.000 title claims description 27
- 238000005259 measurement Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000739 chaotic effect Effects 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/36—Textiles
- G01N33/365—Filiform textiles, e.g. yarns
Definitions
- the present invention is in the field of yarn testing. It relates to a device for entanglement of yarn and a device for weighing yarn, according to the preambles of the claims in question.
- a certain length of the yarn to be tested is measured, separated from the rest of the yarn and weighed.
- For weighing the yarn section must be placed on the plate of a precision balance, which is advantageously done in the form of a yarn bobbin.
- a yarn number determination module is described in US 5,025,660A.
- the ball formation takes place in a circularly symmetrical container, which consists of a bell-shaped cap and a plate-shaped weighing plate.
- the yarn is blown through a tube which tangentially tapers obliquely from above into the cap with an air flow into the cap.
- the cavity which is bounded down through the weighing plate and laterally through the cap, forms an air flow, which knots the yarn into a spherical ball.
- the injected air escapes through an opening at the top of the cap.
- the ball remains on the weighing pan. This is lowered onto the balance, whereupon the yarn ball is weighed. Thereafter, the ball is blown away from the weighing pan, and the process can be repeated.
- a disadvantage of this prior art device is that the cap and the weighing plate must be movable. This results in higher production costs and a certain
- US-5,025,660 A known device to avoid. In particular, moving parts should be avoided.
- the invention is based on the idea of providing a rigid or static container for the pneumatic entanglement of yarn by an air flow.
- the container has an externally limited internal volume.
- the limitation ensures that the yarn remains in the internal volume and is there entangled by the air flow.
- the inner volume should have a downwardly open outlet opening, through which on the one hand the air can escape and on the other hand, the yarn ball falls from the inner volume on a balance.
- a lower part of the inner volume bounding the inner wall is inclined towards the outlet opening downwards in order to
- top, bottom, horizontal, vertical, etc. used in this document refer to the gravitational field of the earth to which the device is exposed in the operational state.
- the inner volume should be limited in the vertical direction by an inner wall partially outwards. By this is meant the following: If one of certain points in the Internal volume moves out in the vertical direction, you come to the inner wall; however, there are other points in the internal volume from which a movement in the vertical direction leads to the outside, without obstruction by the inner wall.
- the inner volume should be limited in the horizontal direction through the inner wall completely outwards. This means that every movement in the horizontal direction of
- the device according to the invention for entangling a yarn includes a container with an inner volume which is partially bounded in the vertical direction by an inner wall and in the horizontal direction by the inner wall to the outside.
- an inlet opening is provided, through which the yarn can beLeschiessbar with an air flow in the inner volume.
- the inner wall is rigid.
- the inner volume has a downwardly open outlet opening for a yarn ball formed in the inner volume.
- a lower part of the inner wall is inclined downwards along the entire circumference of the outlet opening towards the outlet opening.
- an inclination angle of the lower part of the inner wall against the horizontal is not greater than -10 °. It is, for example, between -30 ° and -10 ° and is preferably -15 °.
- the internal volume can be circularly symmetrical about a vertical axis.
- the term "circular symmetry” in this document is understood to mean the rotational symmetry with respect to any desired angle
- An embedded torus is the set of all points that are at a fixed distance from the named circle, where the fixed distance is smaller than the circle radius.
- the container has a central, open-topped opening, which allows an outflow of air from the internal volume upwards.
- the area the upwardly open opening is preferably larger than the surface of the
- the inlet opening is designed and arranged such that the yarn is essentially tangential to the inner wall through the inlet opening
- Inner volume einschiessbar is.
- the inlet opening may be designed and arranged such that the yarn can be inserted into the interior volume through the inlet opening in an upwardly inclined direction.
- the inclination angle is z. B. 5 ° to 25 ° and preferably 15 ° to the horizontal.
- the inner wall is formed of a thin material which also forms an outer wall of the container.
- An inlet nozzle which opens into the inlet opening, may be rigidly connected to the outer wall.
- the inner wall and the outer wall forming material is z.
- a metal sheet preferably sheet steel or aluminum sheet.
- the inner wall may have at least one projection projecting into the inner volume. Such a chicane interferes with the formation of a laminar flow of air along the inner wall, such that the injected yarn forms a "chaotic" tang, rather than an annular wrap
- the at least one projection may be rigid or flexible. They may be regularly or irregularly distributed on the inner wall, they may be identical or different from each other, such as a combination of rigid and flexible projections.
- the inventive device for weighing a yarn includes the above-described device for entangling a yarn and a balance for weighing a yarn bobbin formed by the entanglement The balance is mounted below the discharge opening. In one embodiment, the device additionally includes an air nozzle for blowing away the Garnungshimuels of the balance.
- the device additionally includes means for controlling the measurement method and for evaluating the measurement results.
- the rigid construction of the device according to the invention for entanglement of yarn eliminates possible problems with moving parts.
- the device is simpler in construction and less expensive to produce than that according to the prior art.
- Figure 1 shows an embodiment of the inventive device for
- FIG. 2 schematically shows cross sections of various embodiments of the apparatus according to the invention for entangling yarn.
- FIG. 3 schematically shows plan views of various embodiments of the device according to the invention for entangling yarn.
- FIG. 4 shows a further embodiment of the device according to the invention for
- Figure 5 shows an inventive device for weighing yarn (a) in a perspective view, (b) in a side view and (c) in a
- FIG. 1 shows an embodiment of the device 1 according to the invention for entangling yarn (a) in a perspective view, (b) in a plan view and (c) in a longitudinal section.
- the device 1 forms a rigid unit in the sense that it has no mutually movable parts. It can thus be referred to as a static assembly.
- the device 1 comprises a container 2 having a circular volume 21 which is circularly symmetrical about a vertical axis a.
- a container 2 having a circular volume 21 which is circularly symmetrical about a vertical axis a.
- Container 2 is substantially the shape of a portion of an embedded torus.
- the container 2 is formed in the present embodiment by a thin wall 3, for example. From a metal sheet, preferably sheet steel or aluminum sheet.
- the wall 3 thus defines an inner wall 31 in the interior of the container 2 and an outer wall 32.
- the embedded torus is defined by a lying in a horizontal plane circle whose center lies on the axis a.
- the inner volume 21 is closed at the top and inwards, d. H. towards axis a, open.
- the inner volume 21 has a central, downwardly open outlet opening 22 for a yarn ball formed in the inner volume 21.
- the container 2 has a central, upwardly open opening 23.
- the outer diameter of the container 2 is, for example, about 270 mm, its inner diameter about 260 mm, its height about 110 mm, the diameter of the Austrittsöffhung 22 about 90 mm and the diameter of the upper opening 23 about 125 mm.
- a lower part 33 of the inner wall 31 is along the entire circumference of
- the inclination should be at least so large that a ball of yarn on the inclined part 33 can not rest, but inevitably due to the gravitational force obliquely downwards and to
- Outlet opening 22 rolls out and / or slides and finally leaves through the outlet opening 22, the inner volume 21.
- an inclination angle ⁇ of -10 ° to the horizontal should not be exceeded, d. H. it should hold:
- Exemplary inclination angles ⁇ are -30 ° to -10 ° and preferably about -15 ° to the horizontal.
- the inclination angle ⁇ can be along the circumference of the
- Change exit opening 22 In the wall 3 of the container 2 is a stipulatesöf & ung 41. With the outer wall 32 is an inlet nozzle 4, which opens into the inlet opening 41, rigidly connected.
- the inner diameter of the inlet stub 4 is, for example, 20-30 mm and preferably about 25 mm. Also, the inlet nozzle 4 may be made of steel or aluminum.
- a (not shown) supply hose can be connected, as it is known from US-5,025,660 A.
- Inlet opening 41 becomes yarn with an air flow into the interior volume 21
- the inlet nozzle 4 and the inlet opening 41 are designed and arranged such that the yarn is substantially tangential to the inner wall 31 in the
- Inner volume 21 is einschiessbar. This means that the predetermined by the inlet nozzle 4 and the inlet opening 41 direction is continued on the inner wall 31 without abrupt change and without obstacles.
- the predetermined by the inlet nozzle 4 and the inlet opening 41 direction is inclined upwards, by an angle ß of 5 ° -25 ° and preferably of about 15 ° to the horizontal.
- the shot speed of the yarn can be, for example, between 0.5-15 m / s, the volume flow of the air, for example, 1-20 l / s, the flow velocity of the air at the finallysöffhung 41, for example. 2-40 m / s.
- a Luttströmung forms, which knots the yarn in cooperation with the inner wall 31 into a ball. Because of the upwardly facing inclination of the inlet nozzle 4 and the inlet opening 41, the entanglement will take place mainly, but not necessarily exclusively, in the upper part of the container 2. The injected air escapes from the
- Inner volume 21 first to the axis a and then, in an environment of the axis a, upwards and / or downwards, through the upper opening 23 and the outlet opening 22. It is advantageous if the upper opening 23 has a larger area than the outlet opening 22, so that the main part of the air escapes from the inner volume 21 upwards and thus exerts an upward force on the yarn to be entangled.
- a ring 5 may be attached, for example glued, to be blown from the air substantially horizontally in the direction of the upper opening 23 becomes.
- the emission of this air can z. B. radially inward, to the axis a, tangentially to the upper opening 23 delimiting circle, or take place in another direction. It can take place continuously or intermittently, from one direction or from several directions.
- This air injection prevents the yarn from being carried out of the toroidal part with the air escaping from the upper opening 23.
- the openings 51 visible in FIGS. 1 (a) and 1 (b) on the outer circumference of the ring 5 serve to supply air through separate lines (not shown).
- this air can be diverted from the injected through the inlet nozzle 4 air.
- the air flow is turned off. Then the ball of yarn falls down on the lower part 33 of the inner wall 31. Because of the inclination of the lower part 33 of the inner wall 31 to the outlet opening 22 down rolls and / or slides due to the ball
- FIG. 2 shows diagrammatically cross-sections of various embodiments of containers 2 of the device 1 according to the invention for the entanglement of yarn. Because of the circular symmetry of the embodiments shown here, it is sufficient to represent only one half of the container 2.
- the embodiment of Figure 2 (a) is approximately similar to that of Figure 1.
- Figures 2 (b) and (c) are intended to illustrate that other forms of containers 2 also belong to the invention as part of an embedded torus. Thus, cross-sections with convex or concave corners are quite possible.
- FIG. 3 shows a schematic plan view of various embodiments of containers 2 of the device 1 according to the invention for entangling yarn. These are independent of the embodiments shown in FIG.
- the embodiment of Figure 3 (a) is approximately similar to that of Figure 1.
- Figures 3 (b) and (c) are intended to illustrate that the container 2 need not be circularly symmetrical.
- the container 2 of Figure 3 (b) has z.
- B. a sixfold rotational symmetry, ie forms in plan view a regular hexagon.
- the container 2 of Figure 3 (c) has no plan view Symmetry present.
- the container 2 has the shape of a polygon in plan view with (as viewed from the inner volume 21) concave corners and convex corners 65th
- the inner wall 31 of the circularly symmetrical container 2 has a plurality of projections 61-64 protruding into the inner volume 21. These have the task of disrupting the formation of a laminar flow of air along the inner wall 31 as baffles. Such a laminar flow of air is undesirable because the injected yarn can form an annular coil instead of a "chaotic" tang that can not leave the inner volume 21 through the outlet opening 22.
- the projections 61-64 can be rigid or flexible. In the latter case, they are bent by the flow of air in the flow direction and reset by their own elasticity.This process is repeated in rapid succession, so that a regularly swinging or chaotically flapping back and forth
- the projections 61-64 may be regularly or irregularly distributed on the inner wall. They can be identical or different.
- the convex corners 65 in the embodiment of the container 2 according to FIG. 3 (c) can also be referred to as
- FIG. 5 shows an embodiment of the yarn weighing apparatus 10 according to the invention incorporating the above-described yarn entangling apparatus 1 according to the present invention, namely (a) in a perspective view, (b) in a side view and (c) in FIG longitudinal section.
- a balance 110 preferably a precision balance with a weighing plate 111.
- the balance 110 nor any of its components 111 are part of the device 1 for the entanglement of yarn. Accordingly, the device 1 and the scale 110 are vertically spaced from each other in the
- Embodiment of Figure 3 by about 90 mm.
- the ball of yarn falls on the weighing pan 111 due to the gravitational force. There, it is weighed by the balance 110. After completion of weighing the yarn ball by means of at least one air nozzle 120, which is operable for this purpose, be blown away from the weighing plate 111.
- the ball of yarn is preferably blown to a waste opening 130 which leads to an underlying (not shown) waste container.
- a corresponding boundary, which is formed by the casing 150, serves as a stop for the yarn ball.
- the apparatus 10 for weighing yarn further includes means 140 for controlling the measuring method and for evaluating the measurement results.
- the control includes turning on and off the air for injecting the yarn into the inner volume 21, turning on and off the air blown out of the ring 5, measuring the length of the air
- the apparatus 1 for entanglement of yarn may be provided with a casing 150. It is advantageous if the casing 150 leaves open an opening 151, through which an operator can look at the weighing plate 111 and, if necessary, access it in order, for. For example, manually remove any not blown-off balls to clean the weighing pan 111, etc.
- the yarn weighing device 10 may be embedded in a cabinet 160 in or below which the above-mentioned waste bin is located.
- the furniture 160 preferably has a flat, horizontal working surface 161, on which u. a. a (not shown) screen can be made.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016541027A JP2017501407A (ja) | 2013-12-20 | 2014-12-19 | 糸の玉を形成し、糸を計量するための装置 |
EP14821483.6A EP3084425B1 (de) | 2013-12-20 | 2014-12-19 | Vorrichtung zur verknäuelung und zum wägen von garn |
US15/106,451 US20160334383A1 (en) | 2013-12-20 | 2014-12-19 | Balling and Weighing Yarn |
CN201480069476.9A CN106062553B (zh) | 2013-12-20 | 2014-12-19 | 用于形成纱线球和给纱线称重的装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH21162013 | 2013-12-20 | ||
CH2116/13 | 2013-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015089681A1 true WO2015089681A1 (de) | 2015-06-25 |
Family
ID=50101666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2014/000180 WO2015089681A1 (de) | 2013-12-20 | 2014-12-19 | Vorrichtung zur verknäuelung und zum wägen von garn |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160334383A1 (de) |
EP (1) | EP3084425B1 (de) |
JP (1) | JP2017501407A (de) |
CN (1) | CN106062553B (de) |
WO (1) | WO2015089681A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT3650033T (pt) | 2015-06-15 | 2022-05-25 | 4D Pharma Res Ltd | Composições compreendendo estirpes bacterianas |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1940291A1 (de) * | 1969-08-07 | 1971-02-18 | Zwick & Co Kg | Verfahren und Vorrichtung zum Bestimmen der Feinheit von Faeden beliebiger Art,insbesondere Textilfaeden |
WO1989003531A1 (en) * | 1987-10-06 | 1989-04-20 | Zellweger Uster Ag | Device for automatic determination of the fineness of a textile sample and use of the device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1940291U (de) * | 1966-03-11 | 1966-06-08 | Hermann Kayser | Holzbohrer. |
CA969747A (en) * | 1973-03-07 | 1975-06-24 | Celanese Canada Limited | Yarn sensing device |
DE10032141A1 (de) * | 2000-07-01 | 2002-01-17 | Volkmann Gmbh | Fadenbremse und mit einer solchen Fadenbremse ausgerüstete Spindeln, Doppeldraht-Zwirnspindeln und Doppeldraht-Zwirnmaschinen |
US7975951B2 (en) * | 2008-02-22 | 2011-07-12 | Mary Sara Arnoff | Systems and methods for managing yarn |
-
2014
- 2014-12-19 EP EP14821483.6A patent/EP3084425B1/de not_active Not-in-force
- 2014-12-19 JP JP2016541027A patent/JP2017501407A/ja active Pending
- 2014-12-19 WO PCT/CH2014/000180 patent/WO2015089681A1/de active Application Filing
- 2014-12-19 US US15/106,451 patent/US20160334383A1/en not_active Abandoned
- 2014-12-19 CN CN201480069476.9A patent/CN106062553B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1940291A1 (de) * | 1969-08-07 | 1971-02-18 | Zwick & Co Kg | Verfahren und Vorrichtung zum Bestimmen der Feinheit von Faeden beliebiger Art,insbesondere Textilfaeden |
WO1989003531A1 (en) * | 1987-10-06 | 1989-04-20 | Zellweger Uster Ag | Device for automatic determination of the fineness of a textile sample and use of the device |
Also Published As
Publication number | Publication date |
---|---|
CN106062553B (zh) | 2019-06-07 |
EP3084425B1 (de) | 2017-09-27 |
JP2017501407A (ja) | 2017-01-12 |
CN106062553A (zh) | 2016-10-26 |
US20160334383A1 (en) | 2016-11-17 |
EP3084425A1 (de) | 2016-10-26 |
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