EP2037020B1 - Profile rod and support rod for a heald shaft - Google Patents

Profile rod and support rod for a heald shaft Download PDF

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Publication number
EP2037020B1
EP2037020B1 EP07017874.4A EP07017874A EP2037020B1 EP 2037020 B1 EP2037020 B1 EP 2037020B1 EP 07017874 A EP07017874 A EP 07017874A EP 2037020 B1 EP2037020 B1 EP 2037020B1
Authority
EP
European Patent Office
Prior art keywords
snap
support rod
profile
characterized
zone
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.)
Active
Application number
EP07017874.4A
Other languages
German (de)
French (fr)
Other versions
EP2037020A1 (en
Inventor
Franz Mettler
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.)
Groz-Beckert KG
Original Assignee
Groz-Beckert KG
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Filing date
Publication date
Application filed by Groz-Beckert KG filed Critical Groz-Beckert KG
Priority to EP07017874.4A priority Critical patent/EP2037020B1/en
Publication of EP2037020A1 publication Critical patent/EP2037020A1/en
Application granted granted Critical
Publication of EP2037020B1 publication Critical patent/EP2037020B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00Healds; Heald frames
    • D03C9/06Heald frames
    • D03C9/0666Connection of frame parts
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03CSHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00Healds; Heald frames
    • D03C9/06Heald frames
    • D03C9/0608Construction of frame parts
    • D03C9/0616Horizontal upper or lower rods

Description

  • The invention relates to a profile bar and constructed with such a profile bar support bar for a heald.
  • Web shafts usually have two shaft rods, each consisting of a support rod and a heddle rail. The Litzentragschienen serve as a seat for receiving a plurality of healds, sitting with their end loops on the heald bar. The support rod consists of a profile bar, for example in the form of an aluminum extruded profile and other elements, such as steel inserts for connecting side supports.
  • The DE 196 12 404 A1 discloses in particular the corner connection of a heald. The support rod consists of an aluminum extruded profile, which encloses an elongated cavity. At the end of the support rod, a steel insert is mounted in the cavity. This is connected to the aluminum support rod by rivets.
  • The US 2006/0090809 A1 represents a fastener formed by a screw. The screw extends vertically between the projection zones and the terminal plates. The end of the screw is screwed to the additional part ( FIG. 4 ), and introduces forces on the faces of the projection zones. It generates great vertical forces that are on. Sidewalls and support bars is applied.
  • Next shows the DE 101 16 813 A1 a way einzieten two deposits in the cavity of a support rod and to clamp between the deposits the projection of a side support.
  • From the utility model DE 1 893 900 U It is also known to use a riveted insert with threaded holes.
  • Other parts to be fastened to a support bar are, for example, middle connectors. This reveals the DE 32 20 710 A1 the use of a threaded plate in a corresponding chamber of the support rod, which must have a specially adapted profile.
  • To be able to fasten parts such as steel inserts or other anchoring elements to the support rod as described above, its side walls or other portions thereof must be correspondingly strongly dimensioned. For example, a web or wall thickness is required, which is significantly greater than would be required according to the analysis of the cutting force to absorb the other forces and stresses. This contributes significantly to the weight of the heald, which in turn limits their operating speed. For modern high-speed weaving machines, such solutions have therefore reached the limit of efficiency. To improve this condition, the beats DE 103 49 383 A1 prior to gluing a mounting plate in the cavity of the aluminum profile. This way is basically feasible, but because of the adhesive bond high demands on the production and is therefore expensive.
  • It is therefore an object of the present invention to provide a more cost-effective mounting option for additional parts to provide a support rod, the mounting option to be safe and easy and still allow the use of thin-walled profiles.
  • This object is achieved according to the invention in that a relatively thin-walled profile bar has entry zones on its side walls, which can be used for fastening correspondingly shaped profile pieces, in particular by means of riveting technology.
  • This makes it possible, on the one hand, to form the side walls of the profiled bar in a small wall thickness while, on the other hand, anchoring points for profile sections to be mounted are created by the entry zones. At the entry zones, there are parts of the side walls in the cavity defined by them. On the outside, the profile bar may be flat, i. be well educated. The entry zones then form zones of increased wall thickness, to which, for example countersunk rivets or countersunk screws can be attached. These are preferably not available over the outer surface of the side wall.
  • The entry zone may also have a strip-shaped depression on the outside of the profile bar. This depression is preferably so deep that in the depression flat head rivets or round head rivets have space for attachment of profile pieces between the side walls. The recess may form a bead and preferably has a flat bottom. The wall thickness in the recess in this embodiment is preferably at least as large as the wall thickness outside the entry zone.
  • The entry zone preferably occupies only a small portion of the height of the side wall. The height is in a direction parallel to the side wall and thereby transverse to measure the profile bar. In the installation position of the heald, this height direction extends vertically. Preferably, the width of the entry zone occupies at least five and at most twenty-five percent of the width of the sidewall.
  • The profile bar is preferably formed as a light metal extrusion profile, for example made of aluminum or an aluminum alloy. It can be seamlessly manufactured in one piece and endlessly and is cut to appropriate lengths if required. It then consists of a uniform material and is integrally formed.
  • Alternatively, the profile bar can be obtained by assembling a plurality of parts, such as sheet metal parts, strips, rods and the like. These parts can be made of steel, light metal, plastic, fiber reinforced plastic and the like and, for example, welded together, glued or otherwise assembled and connected together.
  • The inventive concept is suitable both for connection of profile pieces, for connecting side supports as well as for the cultivation of profile pieces for the connection of center connectors, drive plates, hooks or other parts on a heald.
  • Further details of advantageous embodiments of the invention will become apparent from the description. This is limited to the presentation of essential aspects of the invention and other conditions. The drawing discloses further details and supplements the description. Show it:
    • FIG. 1 a weave in a simplified front view,
    • FIG. 2 a shaft rod of the weave post FIG. 1 in a vertical sectional view,
    • FIG. 3 a modified embodiment of a shaft rod in vertical section,
    • FIGS. 4 to 6 different embodiments of profiled bars for constructing a shaft rod,
    • FIG. 7 a shaft rod with attached center connector in a perspective view seen from one side and
    • FIG. 8 the shaft rod after FIG. 7 seen from its opposite side in perspective view.
  • In FIG. 1 a heald 1 is illustrated, which has an upper shaft rod 2, a lower shaft rod 3 and side supports 4, 5, which together form a rectangular frame. The side supports 4, 5 have terminals 6, 7, which are to be connected to a drive device of the loom. In addition, they are provided with extensions which are inserted into correspondingly reinforced ends 8, 9, 10, 11 of the shaft rods 2, 3 and fixed there. The shaft rods 2, 3 also have Litzentragschienen 12, 13, which serve to receive the healds.
  • FIG. 2 illustrates the shaft rod 2, the structure of which is identical to the structure of the shaft rod 3 in principle. The shaft rod 2 comprises a support rod 14 and a heddle support rail 12. The latter is for example a profiled steel rail which is suitably detachably or permanently connected to the support rod 14, for example by riveting, gluing, welding, clamping or the like.
  • The support bar 14 is formed from a profile bar 15 and profile pieces 16, 17, which are attached to the profile bar 15. The profile bar 15 is preferably formed by an aluminum extruded profile. This has two preferably spaced parallel to each other oriented side walls 18, 19, along the profile bar 15 in bar longitudinal direction (in FIG. 2 perpendicular to the plane of the drawing) and thus extend parallel to the heddle support rail 12 and are oriented horizontally in use. The height of the side walls 18 and 19 is in FIG. 2 indicated with b2 and may vary in size. The side walls 18, 19 are connected to each other by webs 20, 21, 22 and enclose at least one or more cavities 23, 24. The side walls 18, 19 are particularly outside substantially flat (preferably flat) formed. For attachment of the profile pieces 16, 17, at least one of the side walls 18, 19 at least one Make an entry zone 25, 26, 27, 28. These entry zones 25 to 28 are preferably strip-shaped regions which extend over the entire length of the profile bar 15. The height of the entry zones 25 to 28 is indicated by b1 in FIG. 2 and may amount to 5% to 25% of the height b2 of the side wall 18, 19. In addition, these entry zones 25 to 28 are preferably not in direct contact with the webs 20, 21, 22 but spaced therefrom.
  • The entry zones 25 to 28 are characterized in that the side wall 18, 19 projects into the relevant cavity 23 or 24. This can, as in FIG. 2 indicated, can be achieved by the side walls 18, 19 have sections which are arranged offset in cross section parallel to the side walls 18, 19 slightly to an imaginary vertical center plane of the profile bar 15 towards. Alternatively, this may be how it is in FIG. 3 is indicated, be achieved in that the wall thickness of the side walls 18, 19 is increased in the entry zones 25 to 28.
  • For further explanation, first on FIG. 4 referenced, the profile bar 15 after FIG. 2 Partial cross section shows. The side walls 18, 19 may be mirror-symmetrical to each other. The following description of the side wall 18 therefore applies correspondingly to the side wall 19.
  • The side wall 18 has an inner side 29 and an outer side 30. Both the inside 29 and the outside 30 can, except for the entry zone 25, be flat. Between the inner side 29 and the outer side 30, the wall thickness W1 of the side wall 18 is to be measured. In the entry zone 25, the wall thickness W2 is to be measured between the relevant inner side 29 'and 30'. The wall thickness W2 preferably coincides with the wall thickness W1; possibly It can also be sized larger or smaller.
  • The entry zone 25 forms in this embodiment, such as FIG. 4 shows, an outwardly open flat recess, for example in the form of a groove whose bottom is formed by the outer surface 30 '. The distance of this bottom 30 'from the plane defined by the outer surface 30 forms the depth T of the entry zone. Preferably, this depth T is greater than the wall thickness W1. In this form, the profile bar 15 can be formed both as an extruded profile and constructed from one or more sheet metal parts. In particular, the side walls 18, 19 may be sheet metal parts.
  • As FIG. 2 illustrated, the profile piece 16, 17 on its two sides on shallow grooves, which can accommodate the protrusions formed by the entry zones 25, 26, 27, 28. In that regard, the side surfaces of the profile pieces 16, 17 complementary to the inner surfaces of the side walls 18, 19 are formed.
  • The profile pieces 16, 17 may be the same or different. However, they each have at least one, preferably in the transverse direction from one side wall to the other side wall through holes, which serve for receiving fasteners, for example in the form of rivets 31, 32. The fastening means 31, 32 are, for example, round or flat head rivets whose heads 33, 34 have a height that is less than the depth T (according to FIG FIG. 4 ). This also applies correspondingly to the round heads 35, 36 formed at the respective other end of the respective rivet 31, 32. Other fastening means such as screws may also be used.
  • The profile pieces 16, 17 can, as FIG. 1 indicates to be formed on legs of the profile bar 15 and between take each other a projection of the side support 4. For a robust corner joint is created, which also allows the introduction of high forces in support rods 14, which have very thin side walls with a wall thickness W1 of eg less than one millimeter.
  • As already related to FIG. 3 indicated, the arranged by the webs 20, 21, 22 spaced Einsprungzonen 25 to 28 may also have a wall thickness W3, which is significantly greater than the wall thickness W1. This is in FIG. 5 illustrated. In this case, the outer surface 30 can be flat overall, ie in particular in the region of the entry zone 25 without a depression. The increased wall thickness W3 allows the installation of countersunk rivets, as in FIG. 5 indicated by dashed lines. Such a countersunk rivet 31 ', 32' ( FIG. 3 ) terminates flush with the outside 30 or even forms a small depression.
  • It is also possible within the entry zone 25, such as FIG. 6 shows to form a strip-shaped recess with a wall thickness W4, which is smaller than the wall thickness W3. It can be greater or smaller than the wall thickness W1 or agree with it. Again, similar to the embodiment after FIG. 4 created an entry area in which can accommodate flat and round head rivets, parallel to the mounted in the outer surface 30 recess extends at least one reinforced area with greater wall thickness W3, which provides additional rigidity.
  • The presented configuration of the profile bar 15 not only offers a possibility for the connection of profile pieces 16, 17 at the ends of the shaft bar 2, 3 but also, as the figures 7, 8 show, the possibility of attaching further elements. As FIG. 8 shows, the web 22 with be provided a cutout, so that from below a profile piece 37 between the Einsprungzonen 27, 28 can be inserted. The entry zones 27, 28 in turn constitute attachment areas in which the profile piece 37 can be fastened by suitable fastening means, such as screws or in particular rivets 38. On the profile piece 37, for example, by means of a threaded plate 39, a middle connector 40 are attached. The profile piece 37 may be provided with corresponding threaded blind holes.
  • For example, the profile pieces 16, 17, 37 consist of steel. The profile piece 37 may be provided for receiving the threaded plate 39, for example, with a T-groove. Due to the large-scale attachment of the profile piece 37 in the cavity 24 of the profile bar 15 by means of a plurality of rivets 38 creates a mounting option for the intermediate strut and the middle connector 40, which is much higher load than previously known solutions.
  • According to the invention riveted or screwed profile pieces can continue to serve for the attachment of coupling elements, which establish the connection between Webschaft and its drive means. For example, here are called Zughaken, which are connected to traction cables or return springs negative acting dobby.
  • When using dobby machines, whose up and down-acting drive movement of the shafts are positively guided (positive dobby), the shanks by loops in the manner of the terminals 6 and 7 ( Fig. 1 ) connected to the beam (shaft pull). Such connections can not only be fastened to the side supports, but are also connected to the lower shaft rod 3, in particular in the case of long shafts, in at least two places. These loops can also be attached to profile pieces fastened according to the invention become.
  • A preferably made of extruded aluminum profile bar 15 has side walls 18, 19, the two mutually projecting, parallel to each other preferably over the entire length of the profile bar 15 extending and arranged at the same height Einsprungzonen 25, 26 has. The distances between the two entry zones 25, 26 from the nearest web 21 coincide with one another. In this way, the profile bar 15 on the one hand be formed very thin-walled, on the other hand, he offers opportunities to attach profile pieces that allow the entry and exit of larger forces in the section bar 15. This concept provides a basis for the construction of lightweight but highly resilient heald frames.
  • Reference numerals:
  • 1
    heald
    2, 3
    Shaft rod (= support rod + shaft support rail)
    4, 5
    side support
    6, 7
    connection
    8-11
    end up
    12, 13
    shaft stave
    14
    Support rod (= profile bar + profile pieces)
    15
    profile bar
    16, 17
    profile pieces
    18, 19
    side walls
    20, 21, 22
    Stege
    23, 24
    cavities
    25-28
    Einsprungzone
    29, 29 '
    palm
    30, 30 '
    Outer surface, bottom
    31, 32
    rivet
    31 ', 32'
    rivet
    33, 34
    flat heads
    35, 36
    Roundheads
    37
    profile piece
    38
    rivet
    39
    threaded plate
    40
    Center Joint

Claims (11)

  1. Support rod (14) for a shaft rod (2) of a heald shaft (1), configured as a hollow profile, with lateral walls (18, 19), which between them delimit at least one hollow space (23),
    wherein the lateral walls (18, 19) have strip-shaped snap-in zones (25, 26) located at opposing points, on which sections of the lateral walls (18, 19) protrude into the hollow space defined by them, and
    wherein the snap-in zone (25) extends in a longitudinal direction of the profile rod (15),
    wherein between the snap-in zones (25, 26) of the lateral walls (18, 19) a profile piece (16) is held, which extends between the snap-in zones (25, 26),
    characterized in
    that the profile piece (16) is held by fastening means (31), whereby the profile piece (16) has at least one bore passing through in the transverse direction from a lateral wall (18) to the other lateral wall, and
    in that the fastening means (31) is arranged in the snap-in zone (25) and has the form of at least one rivet (31, 32) or a screw, which is accommodated by the bore extending from lateral wall (18) to lateral wall (19).
  2. Support rod according to claim 1, characterized in that the snap-in zone (25) has a groove with a flat bottom (30 ').
  3. Support rod according to claim 2, characterized in that the flat bottom (30 ') is oriented parallel to the outside (30).
  4. Support rod according to claim 2, characterized in that the groove of the snap-in zone (25) has a depth (T), which is greater than a wall thickness (w1) of the lateral wall (18) to be measured in the same direction.
  5. Support rod according to claim 1, characterized in that the wall thickness (w2) of the lateral wall (18) inside the snap-in zone (25) corresponds to the wall thickness (w1) of the lateral wall (18) outside the snap-in zone (25).
  6. Support rod according to claim 1, characterized in that the wall thickness (w3) of the lateral wall (18) inside the snap-in zone (25) is greater than the wall thickness (w1) of the lateral wall (18) outside the snap-in zone (25).
  7. Support rod according to claim 1, characterized in that the lateral wall (18) has no recesses in the snap-in zone (25).
  8. Support rod according to claim 1, characterized in that the height (b1) of the snap-in zone (25) amounts to at least 5% and at most 25% of the height (b2) of the lateral wall (18).
  9. Support rod according to claim 1, characterized in that the hollow profile is made as a seamless, one-piece light metal extrusion profile consisting of a uniform material.
  10. Support rod according to claim 1, characterized in that the hollow profile consists of several parts of steel and/or fibre-reinforced plastic material, said parts being connected to each other, in order to form a uniform component.
  11. Support rod according to claim 1, characterized in that the profile piece (37) has at least one threaded bore for fastening a cross-brace (40).
EP07017874.4A 2007-09-12 2007-09-12 Profile rod and support rod for a heald shaft Active EP2037020B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07017874.4A EP2037020B1 (en) 2007-09-12 2007-09-12 Profile rod and support rod for a heald shaft

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP07017874.4A EP2037020B1 (en) 2007-09-12 2007-09-12 Profile rod and support rod for a heald shaft
US12/232,130 US7779869B2 (en) 2007-09-12 2008-09-11 Profile rod and carrier rod for a heald shaft
JP2008233773A JP2009079345A (en) 2007-09-12 2008-09-11 Profile rod and carrier rod for heald shaft
CN2008102138453A CN101387030B (en) 2007-09-12 2008-09-11 Profile rod and support rod for a heald shaft
JP2013000755A JP5563675B2 (en) 2007-09-12 2013-01-08 Profile rod and carrier rod for heald shaft

Publications (2)

Publication Number Publication Date
EP2037020A1 EP2037020A1 (en) 2009-03-18
EP2037020B1 true EP2037020B1 (en) 2015-11-04

Family

ID=39165823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07017874.4A Active EP2037020B1 (en) 2007-09-12 2007-09-12 Profile rod and support rod for a heald shaft

Country Status (4)

Country Link
US (1) US7779869B2 (en)
EP (1) EP2037020B1 (en)
JP (2) JP2009079345A (en)
CN (1) CN101387030B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828318B (en) * 2012-09-12 2014-01-15 江苏万工科技集团有限公司 Three-bearing slide rail for harness frame

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1893900U (en) 1964-02-12 1964-05-27 Theodor Wagner Webeschaft with stuetzeinlagen.
CH427688A (en) * 1965-04-30 1966-12-31 Grob & Co Ag Heald frame with releasable corner joint
CH525352A (en) * 1968-09-13 1972-07-15 Contraves Ag the same rod with a high flexural rigidity and using
CH553267A (en) * 1972-06-30 1974-08-30 Grob & Co Ag Shaft rod for webeschaft.
DE3220710C2 (en) 1982-06-02 1986-04-03 Grob & Co Ag, Horgen, Zuerich, Ch
JPS59149983U (en) * 1983-03-25 1984-10-06
DE3609964A1 (en) * 1986-03-25 1987-10-01 Egelhaaf C C Fa Webeschaft with schaftstaeben from an aluminum profile
JPS62170781U (en) 1986-04-22 1987-10-29
JPH0623586Y2 (en) * 1989-05-22 1994-06-22 ナンカイ工業株式会社 Heddle frames of the loom
DE4038384C2 (en) * 1990-12-01 1992-12-17 Grob & Co Ag, Horgen, Zuerich, Ch
EP0504102A1 (en) 1991-03-14 1992-09-16 Gebrüder Sulzer Aktiengesellschaft Heddle frame slat and heddle frame for a loom
DE4403923C1 (en) * 1994-02-08 1995-07-27 Grob & Co Ag Stand for a heald
DE19612404A1 (en) 1996-03-28 1997-10-02 Grob & Co Ag Corner mounting for loom shaft
DE10116813B4 (en) * 2001-04-04 2010-04-01 Grob Textile Ag Webschafteckverbindung
DE10325908B4 (en) * 2003-06-05 2005-07-21 Groz-Beckert Kg Shaft rod, heald frame and method for producing a shaft rod
DE10349381B4 (en) * 2003-10-21 2005-08-25 Groz-Beckert Kg Heald frame with a new corner connector
DE10349383B4 (en) * 2003-10-21 2005-11-24 Groz-Beckert Kg Heald frame with center connector
US7158536B2 (en) * 2004-01-28 2007-01-02 Rambus Inc. Adaptive-allocation of I/O bandwidth using a configurable interconnect topology
FR2877352B1 (en) 2004-11-03 2006-12-15 Staubli Faverges Sca Frame of lisses and weaving equipped with such a frame
DE102004055381B3 (en) * 2004-11-17 2006-04-06 Groz-Beckert Kg Shaft rod for heald frames
DE102005044474B3 (en) * 2005-09-16 2007-01-04 Groz-Beckert Kg Shaft rod for a power loom, comprises a hollow profile with at least one oblong recess in the narrow side which tapers off at the ends and into which a reinforcing element is adhesively bonded

Also Published As

Publication number Publication date
JP2009079345A (en) 2009-04-16
JP5563675B2 (en) 2014-07-30
CN101387030A (en) 2009-03-18
EP2037020A1 (en) 2009-03-18
CN101387030B (en) 2013-12-04
US7779869B2 (en) 2010-08-24
US20090065088A1 (en) 2009-03-12
JP2013083037A (en) 2013-05-09

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