Classifications

• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
  • D03C3/00—Jacquards
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
  • D03C13/00—Shedding mechanisms not otherwise provided for

Definitions

• the invention relates to a shedding device for textile technology with monofilament control (Jacquard), which works with one spring at the top and bottom of the heddle in so-called Offenfacharbeit Anlagen at 180 ° rotation of the shedding device per weft insertion, this operation by two closely spaced differentêtsund switching processes only becomes possible.
• the upper and lower Hubfederrahmen with the springs moves in Webschusseintragstakt from top to bottom and from bottom to top, etc.
• a stationary locking element can then lock the healds in high and low depth in the open shed example pattern and unlock (couple and decouple).
• the so-called Webharnisch is waived.
• weaving machines with “jacquard machines” and “weaving braids” (FIG. 1) with weaving machine (1), jacquard machine (2) and weaving brace (3), and “harnessless shedding apparatuses” (FIG. 2) without a weaving brace, work in opposite directions movable lifting elements (4,5) and stationary locking elements (6), wherein the healds (7) with their thread eyes (8) are locked by the elements (4, 5, 6) and moved into the respective compartment position the elements (4,5,6) and in the guide openings (9) integrated.
• the shedding device DE 19934447 A1 according to FIG. 2 has the disadvantage that three actuators are required for each heddle; two actuators as components of the two movable lifting elements 4,5, and an actuator as part of the stationary locking element 6.
• This representation corresponds to Figure 5 from the patent DE 199 34 447 A1, in which dje two lifting elements with 25 and 26, and the fixed locking member is denoted by 8.
• Object of the present invention was to provide for the so-called "jacquard" with monofilament control a shedding device that works in open subject working and make the lifting elements (Hubfederrahmen) for each Webschusseintrag only a stroke of 180 °, and which, of course, a much higher Webschusseintragshoff / unit of time can be achieved, as in an operation with a 360 ° stroke of the lifting elements each Webschusseintrag Contrary to the known shedding devices functioning according to the so-called open-shed principle 'and 180 ° revolution / Webschusseintrag of the shedding device with two counter-rotating lifting elements for the high and low position. According to the invention, only one lifting element is needed for the high and low positions Switching operations can nevertheless be carried out according to the so-called open compartment principle and 180 ° rotation of the shedding device per weft insertion.
• the present invention should work without Webhamisch, work as simply and safely, and cost to get by with only one locking device per Webiitze.
• This object is achieved by a shedding device, which works according to the invention, each with a spring at the top and bottom of the ' heald.
• the springs are attached to a lower and upper Hubfederrahmen.
• the healds are coupled by a stationary locking element pattern in the high or low compartment.
• the upper and lower Hubfederrahmen with the springs moves the same direction in Webschusseintragstakt from top to bottom and from bottom to top, etc., so that the locking devices (as described above) the healds in Hoch standing, tie-down pattern can match.
• FIGS. 3 to 9 (according to the invention)
• Figure 1 shows a weaving as described in the prior art
• FIG. 1 shows a shedding device as described in the prior art, with two movable lifting elements (4,5), with a stationary locking element (6) with healds (7) and thread eyes (8), and with - guide openings (9) for integration of locking devices per heald.
• This representation corresponds to the figure 5 from the patent DE 199 34 447 Al In this figure 5, the two lifting elements with 25 and 26, and the stationary locking element denoted by 8.
• the locking devices or coupling points described in FIGS. 3, 4, 5 are designated and illustrated by (27, 28, 29, 30,). It should be noted that the respective locking device for the coupling (27 and 28) and (29 and 30) is absolutely the same locking device. The terms (27 and 28) and (29 and 30) are only shown and designated separately, so that the changing coupling and decoupling of the healds can be better tracked and described.
• FIG. 3 shows the essential components according to the invention of the shedding device with the following designations: warp beam 10, cloth beam 11, stringing tree 12, breast beam 13, stationary locking element 14, with controllable locking points (27, 28, 29, 30) for coupling the healds, (lower, movable Hubfederrahmen 17, for securing the springs 19, 20,) (upper movable Hubfederrahmen 18, for securing the springs 21, 22,) left heald 25, with thread eye 23, and with warp thread 15, right heald 26, with thread eye 24, and with Warp 16, woven fabric 31, shed 32, for entering the tissue shots., Upper adjustable stop bar 41, lower adjustable stop bar 42, stop point on the heald 43rd There are only two heddles each drawn with a warp thread, which are representative of any number of heddles and warp
• the movable Hubfederrahmen 17,18 are in the lower position.
• the heald 26 was coupled to the stationary locking element 14 before the lifting spring frame 17, 18, at the coupling point 29.
• adjustable stop bars 41, 42 serve the exact limitation and position determination of healds in the high and in
• Figure 4 and Figure 5 shows the movement sequence of the shedding device according to the invention.
• the pattern-oriented reading and selection process is to be divided into two closely spaced functional sequences. These different functional sequences are used for the first web shot under (A.1 and A.2), for the second web shot under (B.1 and B.2) for the third web shot under (C.1 and C.2) and for the fourth web shot under (D.1 and D.2) shown, and explained.
• Position A.1 corresponds to the representation in FIG. 3.
• the heald 25 has remained in the high bay due to the coupling 27. Due to the upward movement of Hubfederrahmen 17,18, the springs are 19,21, brought in ' their neutral or normal length. The heald 26, has remained in the Tieffach due to the coupling 30. The spring 22 is stretched and the spring 20 is compressed (see D.1). Since the position of the first web shot is to be reached again at the fifth web shot (see A.1), whereby the heald 25 is to change to the tie depth, this heald 25 is decoupled (see D.2) so that it can in the following downward movement of the Hubfederrahmen can switch to the Tieffach. Since the heald 26 is to change to the high shed at the next weaving shot (see A.1), the coupling point 30 is decoupled (see D.2)
• FIG. 6 shows a further embodiment of the shedding device according to the invention.
• the procedure described in the figures (3,4,5) with a bottom and a top arranged movable Hubfederrahmen 17,18, alternatively, can work so that only one of the two spring frame is movable, and as Hubfederrahmen the required lifting movement to move the Healds from low-high-low-high, etc. makes.
• the opposite spring frame can then be installed stationary.
• the figure 6 shows this the stationary spring frame 33, the movable Hubfederrahmen 18, the healds 25,26, with the thread eyes 23,24, also the springs 19,20,21, 22, and the stationary locking member 14, with for coupling the healds.
• the pattern-appropriate reading and selection process is to be divided into two closely spaced functional sequences for each reading position (in the high and low frequencies).
• This function sequences are shown below the second Webschuss (F.1 and F.2) for the first Webschuss under (E.1 and E.2) for '.
• the first Webschuss is the movable Hubfederrahmen 18, in the Tieffach and the second Webschuss in Hochfach.
• the reading point in the low and high shed and the switching method work according to the described methodology in the Figures (3,4,5).
• Figure 7 shows additional sliding elements, which have the task of enabling a smooth movement of the movable Hubfederrahmen.
• Figure 7 shows this three heald positions A, B, C, the stationary locking element 14, the movable Hubfederrahmen 34, the stationary spring frame 35, the lower spring 36, the upper spring 37, the heald 38, with thread eye 23, the sliding element with outer part 39th and with inner part 40.
• the inner part 40 is attached to the movable Hubfederrahmen 34.
• the outer part 39 is fixed to the upper spring 37.
• the inner part 40 can be displaced in the outer part 39.
• the heald 38 is decoupled in position A and is in the Tieffach.
• the movable Hubfederrahmen 34 is in the lower position.
• the inner sliding part 40 inserted in the outer sliding part 39, in the upper area.
• the lower spring 36, and the upper spring 37 each set with a length of X.
• the preload and the spring force are the same in this example.
• the Hubfederrahmen 34 has gone up by the distance of 2 X, the spring 36, and 37 was stretched to 2 X each.
• the difference between thread eye 23, in the Tieffach and thread eye 23 in the high box is X.
• the heald 38 is coupled in the high box to the stationary locking element 14, 41st
• the Hubfederrahmen 34 is driven by the distance 2 X down.
• the inner sliding part 40 in the outer sliding part 39, by the distance X, has moved down.
• the spring 37 has also moved down the distance X to the basic dimension X down.
• the sliding elements described in FIG. 7 are suitable for all machine constructions and lifting spring frames according to the invention. With appropriate selection of the spring lengths and spring forces can be worked without sliding part.
• Figure 8 shows the movement of the Hubfederrahmen with the positioning of Webiitzen in the high and low shed. Furthermore, the described
• Hinged system for the heddles can also be integrated into the stationary locking element or provided elsewhere.
• Figure 9 shows an overview with two movable Hubfederrahmen (17,18), with heddles (25, 26), with thread eyes (23,24), with fixed locking element (14) ; and with integrated coupling points (27,28,29,30), further with adjustable stop strips (41,42), and with a corresponding stop (43) on the healds.
• the stop strips together with the stop points on the healds a precise limitation or determination of the stroke of the Hedges possible.
• an exactly adjustable downtime of the healds can be realized. See also Figure 8.
• the downtime of healds has a positive effect on the flow of weft insertion in the loom.
• the Hubfederrahmen are below.
• the heald is coupled, and is therefore in the high compartment.
• the upper spring is compressed accordingly, and the lower spring is correspondingly more tense.
• Position D The lifting spring frames are at the top.
• the heald is coupled, and is therefore in the Tieffach.
• the upper spring is correspondingly more tense and the lower spring is compressed accordingly.
• the constructions described in the figures (3, 4, 5, 6, 7, 8, 9) can also work with a so-called inclined pocket.
• the movable Hubfederrahmen (17,18) can be divided into shaft-like elements, which then make to achieve a sloping tray obliquely in the warp direction increasing each more stroke than the front shaft-like elements.
• a uniform maximum stroke can be set for all Hubfederrahmen.
• An inclined tray can then be achieved by differently set stop strips ' .

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Looms (AREA)
• Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
• Preliminary Treatment Of Fibers (AREA)

Applications Claiming Priority (4)

Publications (2)

Family

ID=36424629

Family Applications (1)

Country Status (6)

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Family Cites Families (4)

• 2005
  • 2005-12-14 WO PCT/DE2005/002327 patent/WO2006063584A2/fr active Application Filing
  • 2005-12-14 EP EP05825380A patent/EP1825042B1/fr not_active Not-in-force
  • 2005-12-14 DE DE112005003468T patent/DE112005003468A5/de not_active Withdrawn
  • 2005-12-14 AT AT05825380T patent/ATE519877T1/de active
  • 2005-12-14 CN CN2005800434103A patent/CN101080519B/zh not_active Expired - Fee Related
• 2008
  • 2008-01-22 HK HK08100791.3A patent/HK1107128A1/xx not_active IP Right Cessation

Non-Patent Citations (1)

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