EP1270777A1 - Verriegelte Schnappverbindung zwischen Kardendeckel und Antriebsriemen - Google Patents
Verriegelte Schnappverbindung zwischen Kardendeckel und Antriebsriemen Download PDFInfo
- Publication number
- EP1270777A1 EP1270777A1 EP02013472A EP02013472A EP1270777A1 EP 1270777 A1 EP1270777 A1 EP 1270777A1 EP 02013472 A EP02013472 A EP 02013472A EP 02013472 A EP02013472 A EP 02013472A EP 1270777 A1 EP1270777 A1 EP 1270777A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- bars
- locking element
- flat
- pair
- 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
Links
- 238000009960 carding Methods 0.000 title description 2
- 239000011324 bead Substances 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000009987 spinning Methods 0.000 abstract description 9
- 239000004753 textile Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 241001530812 Goupia glabra Species 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241001295925 Gegenes Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012791 sliding layer Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
- D01G15/24—Flats or like members
Definitions
- the invention relates to the connection between a flat bar and a flexible Drive belt in the cover arrangement of a revolving card.
- a connection is shown in EP-A-627507 and in EP-A-753610 (or US 5,956,811).
- the belt according to EP-A-627507 comprises fastening elements provided in pairs, which form a snap connection with the flat rod.
- EP-A-753610 shows a special drive belt for the flat bars of a revolving flat card, whereby the belt is provided with connecting elements that are integral with a flexible Band are formed and arranged in pairs, so that a pair of elements into one Flat bar part can be added to form a snap connection.
- each Element includes a crossbar with an inclined surface, the inclined surfaces of a pair of bars in opposite longitudinal directions of the flexible Tape are directed.
- the aim of the solution according to EP-A-753610 was to propose explanations, which could be used to meet conflicting requirements, namely that on the one hand, the flat bar during operation of the revolving flat arrangement in remains connected to the drive belt in a predetermined position, but on the other hand the flat bar can be easily removed if necessary (e.g. during maintenance) and can be reattached.
- the fiber material is in the form of dissolved and cleaned flakes fed into the filling shaft 2, by a licker-in 3 (also called breeze) as a cotton pad, a drum 4 (also called drum) 4 passed and from the cover of a revolving cover assembly 5 parallelized.
- the lids are counter-rotating or 6 driven in the same direction as the direction of rotation of the drum 4.
- Fibers from the on the Drum 4 located in the nonwoven fabric is then removed from a take-off roller 7 and in an outlet section 8 consisting of different rollers a card sliver 9 is formed. This card sliver 9 is then from a sliver 100 placed in a transport can 110 in cycloidal turns.
- the Revolving cover assembly of a card according to DE-A-3835776 comprises 106, for example Flat bars, of which 41 are in the working position, that is in contact with the Sliding guide.
- FIG. 3 shows the preferred embodiment according to EP-A-627507 for connecting flat bars with a drive (toothed) belt.
- a head piece 36 of a flat bar 31 comprises an insertion part 41 and a sliding part 50.
- the part 41 extends into the Receiving section of a hollow profile and is fastened therein, e.g. according to EP-A-627507.
- the sliding section 50 becomes the flexible sheet 120 in the working position of the flat bar and guided back along a rail (not shown).
- the sliding section is 50 provided with two attachments 52, and the two attachments 52 together form one Receiving opening 54.
- the drive belt 14 is formed as a toothed belt.
- the teeth on the "inner surface” 56 of the belt i.e. on the surface 56 which is closed with respect to the revolving Path faces inward
- On the "outer surface” 58 of the belt which in the working position of the flat bars Flexible sheet 120 faces, recesses 60 are provided in pairs, the recesses 60 each receiving an attachment 52.
- the belt 14 has a protrusion 10A which is integral with the belt is formed.
- the projection 10A is in the receiving opening 54 between the resolutions 52 added.
- the projection has a slot 11, whereby two "legs" are formed, each of which is provided with a cam 12 in the foot area is.
- the attachments 52 each have an inclined surface 62 around the cams 12 to be able to absorb and hold better.
- the legs are elastic and can be squeezed together be a snap connection to the head portion 36 of the flat bar 31 to form.
- Fig. 4 shows an embodiment of a belt according to EP-A-753610, only a smaller one Distance of an elongated structure is shown in the figure.
- the strap is as Whole indicated by the reference numeral 200, and it includes one in the longitudinal direction continuous body 202, pairs 204 and 206 of connecting elements 208 or 210 and teeth 212.
- the belt is cast in one piece, whereby in longitudinal reinforcements (e.g. filaments or wires, not shown) can be cast in.
- the (matrix) material is preferably an elastomer, e.g. Polyurethane.
- the body 202 has a predetermined width B (e.g. in the range 20 mm to 30 mm) and a predetermined thickness D (e.g. in the range 1 to 3 mm).
- the thickness D can be in Depending on the tensile forces to be transmitted, e.g. dependent on on the number of flat bars.
- Each connecting element 208 or 210 consists of a crossbar, which overlaps extends the entire width B of the body 202, perpendicular to the longitudinal direction of the body.
- Each bar 208 or 210 has a predetermined height H (e.g. in the area 3 to 8 mm).
- the bar 208 or 210 is wedge-shaped in cross section, the the smaller "root” of the wedge joins the body 202 and the larger head part is removed from body 202.
- the bars 208, 210 of a pair (e.g. pair 204, 5) are mirror images of each other, and there is a distance between the two bars of the pair (hereinafter the "nominal distance") A, which is the same over the entire height of the bars when the body 202 is straight is stretched out (Fig. 5).
- the "slot" extends which forms the distance, down to the root of the bars.
- Each bar therefore has an inclined surface 214 or 216, and the inclined surfaces one Pairs are directed in opposite longitudinal directions.
- each inclined surface of a pair e.g. pair 204, Fig. 4
- faces an inclined surface of the adjacent pair e.g. pair 206.
- the inclined surface 214 or 216 of a bar closes with the adjoining surface 220 of the body 202 a predetermined angle ⁇ (e.g. in the range of 60 to 80 degrees) when extended Body 202 a.
- each bar is 208 and 210, respectively rubber elastic at least in the root area, so that the beams by means of suitable Forces on the inclined surfaces (or in the head area in general) pushed against each other be able to reduce their mutual distance in the head area.
- a belt body according to Fig. 4 or 5 is used for a predetermined total length cut (or formed), and the end parts of the body are then joined together connected to an endless belt for use in a revolving cover assembly 5, 6 according to FIG. 1.
- the teeth 212 lie on the inner surface of the endless belt and the pairs of bars 204, 206 are on the outer surface 220.
- each pair of bars 204, 206 from right to left in Figures 4 and 5 is moved.
- Each pair of bars is preferably designed symmetrically so that it doesn't really matter in which direction it is moved.
- the adoption of a certain direction simplifies the following description.
- “(Body 202 stretched out straight, without using force on the beam 208,210) is the distance in the longitudinal direction of the body 202 between the previous one free edge K1 of the pair of bars 204 (FIG. 5) and the trailing free one Edge K2 of the same pair has a predetermined value "L", which is in the range 12 to 25 mm. can lie.
- the distance “L” is hereinafter called the “span” of the pair of bars.
- the corresponding distance “I” at the root of the bars 208, 210 is in same state a smaller predetermined value, which is in the range 9 to 22 mm. lie can.
- a flat bar that is to work with this belt is identified by the reference number 222 indicated in Fig. 6, and it comprises a hollow profile 224 and two end heads 226, only one of which is visible in FIGS. 6 and 7.
- Each end head 226 has one Connection part (not visible in these figures, but see the insertion part 41 in FIG. 3), which is pressed into and held in the respective end part of the profile 224.
- the preferred solution for fastening the end heads 226 in the profile 224 is in EP-A-627527 have been described.
- a slide shoe / clip part 228 (Fig. 7) of the respective end head 226 out of the profile end.
- Part 228 includes two ledges 230 (FIG. 6) extending in the longitudinal direction of the bar 222.
- strips 230 each form a sliding surface 232, which on the sliding surface of the flexible sheet slides when the rod 222 is in the working position.
- the strips 230 are off formed in one piece with cross struts 234, which together with the strips one Inclusion of the specified size for the corresponding elements of the belt 200 form.
- the size of this opening in the longitudinal direction of the strips 230 preferably corresponds the belt width (or the bar length) B (see Fig. 7 and Fig. 4).
- the clamp or connection function is fulfilled by two strip parts 236 (FIG. 6), which are also wedge-shaped in cross section, so that they each have an inclined surface 238 or 240 exhibit.
- These inclined surfaces 238, 240 face each other, and they have a predetermined minimum distance Mn (FIG. 7), which is considerably smaller than the span L (Fig. 5) of a pair of bars in the aforementioned standby state.
- the inclined surfaces have a predetermined maximum distance Mx (Fig. 7), which is explained in more detail below.
- the distances Mn and Mx are below as denotes the "opening widths" of the bracket part.
- each wedge-shaped part of the strips 230 is approximately equal to that Height H of bars 208, 210, but the total height LH (Fig. 6) of each ledge 230 is clear larger, so that the sliding surfaces 232 (in the arrangement according to FIG. 8) far above the bars 208, 210 lie.
- Each flat bar 222 is connected to a pair of bars in the same way.
- the distance between adjacent flat bars 222 is predetermined and should be kept as small as possible, it is indicated in FIG. 8 with the reference symbol "t".
- the distance t is of course due to the construction of the strips 230 and Distance between adjacent pairs of bars given.
- the latter distance is too predetermined and is at the roots of the bars 208,210 (on the surface 220 of the Body 202) the value "S" (Fig. 8), which is in the range 14 to 27 mm.
- the width Mn of the entrance opening of the clip is preferably approximately the same size like the dimension "I" (FIG. 5) at the root of the bars 208, 210.
- the maximum width Mx but the bracket is preferably less than the span L des Pair of beams. In the assembled state (Fig. 8) is therefore the distance between the bars in the Head area, somewhat reduced compared to the nominal distance A, i.e. the strips 230 the bars 208, 210 push against each other even when fully snapped. The bars 208, 210 are pressed together even more when the clip is snapped over, as will be explained below with reference to FIGS. 10 to 12.
- the holding forces are also influenced by the "degree of bending" of the belt body, as is initially explained with reference to FIG. 9.
- Figures 4, 5 and 8 all show (For the sake of simplicity) the belt body 200 in the straight stretched out state.
- the But the hiking cover path is nowhere and includes the end areas two sections on the deflection rollers, which caused a significant bend in the belt body require.
- the outer surface of the body 202, with the bars 208, 210, is there converted convex.
- the effect of this bend in the absence of a bracket is 9 -
- the bars 208, 210 of each pair are particularly in the head area pulled apart so that the distance between the bars from the Nominal distance A (Fig. 5) increased to A + (Fig. 9).
- the snap connection must also free a flat rod (e.g. when Wait for the flat bars or to check a flat bar) and (re) attach them enable a rod - and if possible with the (still) running revolving lid aggregate.
- the attachment of a rod is shown schematically in FIG. 10. It initially becomes one of the inclined surfaces of the bracket (in the example shown, the surface 238) in contact with the inclined surface (214 in Fig. 10) of the corresponding bar (208 in Fig. 10).
- the flat bar 222 is inclined such that the edge K1 on the other bar of the bracket in contact with the head of the other bar 210 can be brought (state according to FIG. 10).
- the beam 210 is elastically deformed so that the edge K1 can move past the edge K2 (Fig. 5), causing the clip to snap means.
- a bend of the belt body 202 with the beams 208, 210 on the concave surface of the belt brings the head areas of the bars together - the bar spacing is reduced or even canceled compared to the nominal distance A (FIG. 5) to "a" (FIG. 11).
- the span L or L1 is reduced accordingly, which is indenting facilitated. It is now the case that a minimal bend of this kind occurs when a flat bar 222 is placed on the sliding surface of the flexible sheet 120 (FIG. 12).
- the appropriate relaxation of the holding forces takes place at a point that for Attaching or removing is unsuitable.
- the latter functions should be on the Return path 246 are exercised. Since the strap 202 is preferably from a return rail 248, which even has a slight curvature in the "wrong" Can have direction.
- the at least one point e.g. 250, Fig. 12
- Straps are provided so that an operator can make the desired bend here of the belt (with or without tools).
- This "assembly point" is preferably in the area where a belt part moves in the Leaving the hiking path along a deflection roller and not yet the return rail has reached.
- the assembly point can be the return path at another location can be placed along, or there may even be some assembly points along the path be distributed. It is important that the mounting points for the two belts are one Corresponding revolving agagates correspond.
- Fig. 13 shows a modification of the arrangement of Fig. 12, after which the return rail 246 is provided with a recess 252 and this recess 252 a Locking plate 254 is assigned. If a pair of bars (e.g. 207) with a incorrectly assembled flat rod with slide head 228 approaches plate 254, presses plate 254 down the bracket portion of slide 228 over the pair of beams.
- the plate 254 is rotatably supported about an axis 253 and by a resilient means (e.g. spring 256) biased towards recess 252.
- the plate normally maintains a predetermined distance from the return rail a, e.g. because of an attack not shown. When snapping a clip part the plate will go up (against the preload) from the return rail 246 pushed away.
- the rail 246 itself is rotatably supported about an axis 257 and by means of an elastic Biased upward by 258 (e.g., a spring) to tighten the belt 200 tighten.
- the belt is therefore normally not deflected into the recess 252, rather the recess is bridged by the belt.
- a diversion into the The recess is made under pressure from the plate 254 when the latter is pushed upwards is, as already written. The redirect has the related effect with Fig. 11 has been described.
- both return rails must have one Device are provided to snap the elements together into one another Bring intervention.
- the device comprises a recess and plate according to FIG. 13, the two devices must snap into the elements at the same time.
- Fig. 14 shows laterally parts of a flat bar 222, which accordingly between two belts 200A, 200B, on opposite sides of the card (not shown in FIG Fig. 14, cf. Fig. 1) is performed.
- the central part of the flat bar is broken.
- the flat bar 222 is shown viewed from above on its "return path", i.e. the Lid set C moves upwards for cleaning, so that the profiles 31 (Fig. 3) are not visible, but the sliding shoes 228 of the end heads are visible.
- the slide shoe is corresponding to a pair of bars 205A, 205B on its belt attached.
- the pairs of bars lying on the belt 200A adjacent to the pair of bars 205A, designated with 204, 206, are not provided with flat bars.
- the flat bar 222 may be, for example, the first cover that is on the belt assembly or subsequent maintenance.
- the belt is again indicated with the reference number 200 and includes a body part 200 with teeth 212.
- the body part 200 normally comprises extending in the longitudinal direction supporting elements, which are identified by the reference symbol 260 are indicated schematically.
- a pair of bars 262, 264 is shown in side view, only bar 264 being shown as a whole.
- the pair of bars 262, 264 are through a slot 266 which extends from the outer (free) end of the beams extends to the body part 202 of the belt, separately.
- the one opposite the bar 262 Side of bar 264 has a baffle 268 at the outer end of the Beam, an inclined support surface 270, which is similar to surface 216 in FIG. 4, and an oblique foot part 272.
- the oblique foot part 272 is with the oblique holding surface 270 connected via a joint 274.
- the beam 264 bends around the hinge 274 instead of a root, as in the case of the beams 208, 210 (Fig. 4).
- the holding surface 270 forms with the belt length in a straight position, as shown in FIG. 15, an angle ⁇ (in the range 60 to 80 Degree.
- FIG. 15 shows a pointed edge on which two Meet areas. This is not the actually desired form for reasons that have already been set out. Such edges are preferably rounded, in particular if there is a risk that the beam on the clamping or fixed elements is cut through. Rounding off beam surfaces can, for example, form as shown by reference numeral 276 in Fig. 16 where the holding surface 278 is rounded. But it will be relatively difficult to have a good cooperation between reach the slide shoe and the beam in the last-mentioned embodiment, z.T. for this reason, that it is relatively difficult to put surfaces on the shoes adjust according to the rounded bars.
- the holding surface of each beam in any case preferably extends to the root 280 of the bar (where it begins body portion 202 of strap 200) for reasons related to FIG Fig. 17 and 18 are explained in more detail.
- Fig. 17 shows a pair of bars 282, 284, each bar being a simple rectangular one Has profile. The bars are separated by a slot 286.
- Each bar 282, 284 is integrated with or firmly attached to the body part 202 of the belt.
- the pair of bars is similar to a slide shoe, clamp or fastener as already described, but with side surfaces, which are used to receive the Beam surfaces 283, 285 are adapted, added.
- the direction of movement of the Flat bars in Fig. 19 are shown with arrows, this direction is only toward Accepted for purposes of illustration and description.
- the flat bars can still move in the opposite direction. During the movement of the Flat bars along the flexible sheet 120 (see FIG. 2) or on the opposite one Side, when the belt returns, there are no problems regarding Posture of the flat bars relative to the straps.
- a simple bar, shown in Figs. 17 and 18, is suitable for the purpose of the hold effect to describe in more detail. It is assumed that each bar is a central one elongated plane P (symmetry plane), and that the body part 202 of the belt has a has neutral level N, i.e. a plane in which a belt fabric basically is not distorted when the belt is about an axis perpendicular to its length, however is bent parallel to its width.
- N i.e. a plane in which a belt fabric basically is not distorted when the belt is about an axis perpendicular to its length, however is bent parallel to its width.
- the plane P of each bar is perpendicular to the neutral one Level N of the belt.
- the axis of the belt curvature not shown, but lies on the side of the belt which is deposited on the bars 282, 284. Therefore, the belt fabric 200 is stretched above the neutral plane N in Fig. 18 (relative to Fig. 17) and compressed below the neutral level.
- each bar 282, 284 basically extends radially from the belt 200. Accordingly, it is not necessary that the beams with the body part 202 of the belt are formed in one piece.
- the bars can be designed separately and then on the strap in an appropriate manner be attached. Usually, however, the body part of the belt with the bars (and teeth 212) formed in one piece.
- the Snap connection can be supplemented with a locking element.
- a locking element is chosen so that it is the mutual Approaching the bars 208,210 prevents loosening of the snap connection is required.
- each slide shoe / clamp part 228 is a respective one Locking element in the form of a so-called clip 300 assigned by a own snap connection with the bars 208, 210 is engaged.
- the clip is 300 Formed in one piece and includes a "plate" 302 that sucks on the end faces 304 the beam 208,210 sits, a first leg 306 that extends into the slot 308 between extends the beam 208,210 while being in contact with the side surface of the beam 208 stands, and a second leg 310, which also extends into the slot 308 and is in contact with the side surface of the beam 210. Every leg is with provided with a cam 312 which is parallel to the longitudinal direction of the beams 208, 210 extends and into a corresponding groove (not specifically indicated) in the respective bar 208 or 210 snaps.
- the legs 306, 310 are elastically deformable relative to the plate 302, so that they can be printed together if the clip needs to be snapped.
- the Distance between legs 306,310 can increase with distance from the Increase the plate slightly to ensure that the clip does not loosen during operation.
- the distance between legs 306, 310 near the plate is preferred equal to the nominal distance A (Fig. 5). Since the legs are not near the plate 302 allow the bend to bend slightly, but to transmit bending forces directly to the plate between the bars 208, 210 not reduced below the nominal distance A. as long as the clip 300 is snapped.
- the snap connection between the flat bar and the belt body 202 are thereby locked. The clip must therefore be removed to allow the flat bar to be released from the belt.
- Removing the clip may require the clip to be destroyed, so the eliminated clips needs to be replaced to create a snap connection between the Lock the flat rod and the strap in the same place again.
- the clips 300 can then practically cover the slot between the beams 208,210. But it can a short section of the slot should be left so that a tool can be inserted into the Slot can be inserted to the snap connection between the clips and pick up the bar.
- FIG. 21 schematically shows an alternative to clips 300 in the form of a Cover 301 for the slide shoe / clamp part 228.
- This cover 301 is elastic deformable fastening claws 303, which with openings (not snapped) in part 228 between the sliding surface 232 and the beams 208, 210 can.
- the surface of the cover 301 directed against the beams is with a bar 305, which nests between the beams 208, 210, the slot in the area practically fills the free ends of the beams and thus locks the snap connection.
- Cover 301 also protects the snap connection against flight and dust the environment in the spinning mill.
- the Barre 305 could of course also with cams (not shown) similar to the cams 312 and thus directly with the bars form a snap connection, which replace or supplement the aforementioned claws can. If the cross struts 234 (see FIG. 7) compared to the strips 232 one have a slightly lower height, the cover can be clawed, that work with fasteners on the outer surfaces of the cross struts, to attach the cover to the shoe / clamp part firmly (but releasably).
- the locking element is in the form of a Bolt 314, which is between the beams 208, 210 and by corresponding Holes (not specifically indicated) extend in the cross struts 234.
- Suitable securing elements 316 are provided for the sliding shoe / clamp part 228, which hold the bolt 314 in its locked position.
- the locking function is substantially the same as that of clip 300, with pin 314 is inserted between the beams 208, 210 after the snap connection between the flat bar and the belt.
- the securing elements 316 are then attached. These elements can be designed that they must be destroyed to remove the bolt (the unlock) enable.
- FIG. 24 shows a variant of the arrangement according to FIG. 22, according to which it is not necessary, or is possible to remove the locking element for unlocking, since it with the Sliding shoe / clamp part is firmly engaged.
- the locking element 320 in this case comprises a part 322 which, like the bolt 314 (FIG. 23), extends between the beams 208, 210 (not shown in FIG. 24), the part 322 not in cross section circular but is formed as a flat bar with rounded side surfaces 324.
- the rod 322 is made of one piece with end parts 326 (only one end part 326 in FIG. 24 visible) shaped, which are rotatably received in the cross struts 234 (see FIG. 23).
- the rod 322 is thus at an angle of approximately 90 ° between an unlocked position (shown in Figure 24) and a locking position (not shown) with the end parts 326 rotatable.
- the side surfaces come in the locked position 324 each in contact with a bar 208 or 210 and thus fulfill the locking function, which was explained with reference to FIG. 20.
- FIG. 25 shows a further variant of the principle according to FIG. 24.
- the locking element In this case, 320A also comprises a rod-shaped part 322 and end parts 326 (only one end part visible).
- An end portion 326 is outside of the slide / clip portion 228 provided with a projection 330, which during the movement of the flat bar can be in contact with a control curve along its movement path.
- lug 330 with the curve becomes the lug from the standby (shown with solid lines) in the operating position (indicated by dashed lines) moves, which moves and holds part 322 in the locked position, until an opening in the control curve swivels the approach back to its starting position allows.
- the outer dimension of the flange 342 is smaller than the distance Mx (FIG. 7), so that the element 300 can be easily inserted between the strips 230.
- the length of the bolt 344 is the diameter of the outer dimension of the flange 340 equal.
- the width W (FIG. 28) of the bar 344 is somewhat smaller than the width A. (Fig. 5) from slot 308 (Fig. 20) between adjacent beams 208,210. If therefore, the latch 344 is aligned in the longitudinal direction of the slot 308, the Bars are inserted between the bars 208,210 of a pair of bars and This will prevent these bars from approaching until the latch is removed becomes.
- the depth D of the latch 344 is preferably somewhat less than the height H (FIG. 5) the bar 208,210.
- the handle 340 consists of a button-like head section 346 and a handle 348 Tool can be inserted between the head section 346 and the flange 342 to remove the locking member 300 from a shoe / bracket 228 (Fig. 7) to facilitate.
- the length of the stem 348 is chosen such that the head section 346 does not protrude from the shoe.
- the slide shoe is preferably with a Sliding layer, e.g. provided according to DE 19834893.
- element 300 is further in the position shown (with the Handle 340 above). However, it becomes clear from the preceding description element 300 must operate with the handle below in operation.
- Each side surface of latch 344 is preferably with an upper groove 350 and one provided lower groove 352.
- they are opposite side surfaces of the beams 208,210 formed with beads, which in Locking state can snap into a groove 350 or 352.
- the beam 208 has a lower bead 356 to cooperate with a groove 352.
- the beam 210 an upper bead 358 for cooperation with the other groove 350.
- the distance Aw (Fig. 29) between the beads 356, 358 is smaller than the width W of the bar, so that when the beads snap into place, a snap connection between the locking element 300 and the pair of bars 208,210 comes about and jump out of Bumps can be avoided.
- latch 344 takes place with ridges with grooves and the beams 208,210 could be provided with grooves instead of beads.
- the distance D * (Fig. 26) between the lower grooves 352 and the underside of the flange 342 is greater than the distance H * (FIG. 29) between the lower bead 356 and the end faces 362 of the beams. It therefore remains in the locked state a narrow gap ⁇ between the flange 342 (not shown in FIG. 29) and the end faces 362 free so that the lock engages securely and not on surface 362 gets up.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
- Fig. 1
- eine schematische Ansicht einer Wanderdeckelkarde;
- Fig. 2
- eine schematische Darstellung eines Teils der Wanderdeckelanordnung einer Karde nach Fig. 1;
- Fig. 3
- eine perspektivische Darstellung der bevorzugten Ausführung nach EP-A-627507;
- Fig. 4
- eine perspektivische Darstellung eines Antriebriemens nach EP-A-753610;
- Fig. 5
- eine Ansicht des Riemens nach Fig. 4;
- Fig. 6
- eine Stirnseitenansicht eines Deckelstabes mit einem Endkopfteil, der zur Zusammenarbeit mit den Elementen nach Fig. 5 angeordnet und im Querschnitt dargestellt ist;
- Fig. 7
- der Endkopfteil nach Fig. 6 im Grundriss;
- Fig. 8
- einen Längsschnitt durch einen Riemen nach Fig. 5 mit einem davon mitgetragenen Endkopf nach Fig. 7;
- Fig. 9
- eine Ansicht des Riemens nach Fig. 5 mit einer derartigen Biegung, dass die Haltekräfte der Verbindungselementen erhöht werden;
- Fig. 10
- eine Ansicht des Teiles nach Fig. 7 beim Zusammenbringen mit einem Riemen nach Fig. 5;
- Fig. 11
- eine Ansicht des Riemens nach Fig. 5 mit einer derartigen Biegung, dass der Abstand zwischen den Verbindungselementen dadurch vermindert wird;
- Fig. 12
- eine Ansicht der Führungen für einen Antriebsriemen des Wander deckelaggregates, um die Erzeugung der Biegung nach Fig. 11 zu erklären;
- Fig. 13
- eine Ansicht einer Modifikation der Anordnung nach Fig. 12;
- Fig. 14
- einen Deckelstab, welcher zwischen zwei Riemen der in Fig. 4 gezeigten Gattung getragen wird;
- Fig. 15
- im Grundriss eine Alternative zum in Fig. 5 gezeigten Riemenkörper;
- Fig. 16
- eine andere Alternative des Riemenkörpers mit einer Schrägfläche, welche die Haltung des Deckelstabes bewirkt;
- Fig. 17
- einen Riemenkörper, welcher nach dem Halteprinzip arbeitet, das in Bezug auf Fig. 9 beschrieben wurde, jedoch ohne schräge Haltefläche;
- Fig. 18
- ein Diagramm, ähnlich Fig. 9, welches ein in Fig. 17 dargestelltes Balkenpaar zeigt;
- Fig. 19
- eine schematische Darstellung des Wanderpfads eines Deckelsatzes;
- Fig. 20
- eine Kopie der Figur 8 mit einer Modifikation gemäss der vorliegenden Erfin dung;
- Fig. 21
- schematisch eine Alternativausführung der Variante nach Fig. 20;
- Fig. 22
- eine weitere Kopie der Figur 8 mit einer zweiten Modifikation gemäss der vorliegenden Erfindung;
- Fig. 23
- eine Kopie der Figur 8 mit einer Modifikation gemäss der in der Figur 22 dargestellten Ausführung;
- Fig. 24
- eine schematische Darstellung einer Variante der Ausführung gemäss der Figur 22,
- Fig. 25
- eine Modifikation der Variante nach der Figur 24,
- Fig. 26
- eine Ansicht einer weiteren Ausführung der Erfindung gemäss der vorliegenden Erfindung,
- Fig. 27
- die Ausführung gemäss der Figur 26 betrachtet in der Richtung des Pfeils Po,
- Fig. 28
- die Ausführung gemäss der Figur 26 betrachtet in der Richtung des Pfeils Pu,
- Fig. 29
- im Querschnitt einen Riementeil mit Verbindungselementen, die mit der Ausführung nach der Figur 26 zusammenarbeiten kann.
- die Gleitflächen 232 (Fig. 7) sitzen satt und stabil auf den Gleitflächen der Flexibelbogen (Widerstand gegen Kippmomente),
- in der Betriebsstellung bzw. beim Rücklaufen werden die Antriebskräfte vom Riemen 200 zuverlässig an den Deckelstab 222 übertragen,
- an den Umlenkstellen werden die Deckelstäbe 222 sicher von den Riemen 200 festgehalten.
- ein "pilzförmiger" Griff 340;
- einen rechteckigen Flansch 342, und
- einen barrenförmigen Riegel 344.
Claims (19)
- Antriebsriemen für die Deckelstäbe (222) einer Wanderdeckelkarde, wobei der Riemen (200) mit Verbindungselementen (208,210) versehen ist, die einstückig mit einem flexiblen Band (202) gebildet und paarweise angeordnet sind, so dass ein Elementenpaar (204,206,207) in einen Deckelstabteil (226) zur Bildung einer Schnappverbindung aufgenommen werden kann, wobei jedes Element einen Querbalken (208,210) mit einer Schrägfläche (214,216) umfasst, die Schrägflächen (214,216) von einem Balkenpaar (204,206,207) in einander entgegengesetzten Längsrichtungen des flexiblen Bandes (202) gerichtet sind, gekennzeichnet durch mindestens ein Riegelelement, das zwischen den Verbindungselementen eines Paares eingeführt werden kann, um eine gegenseitigen Annäherung der Verbindungselementen dieses Paares zu verhindern, und wieder entfernt werden kann, um eine gegenseitigen Annäherung der Elementen zu ermöglichen.
- Riemen nach Anspruch 1, dadurch gekennzeichnet, dass zwischen den Balken (208,210) eines Paares ein Nennabstand (A) an den freien Enden von mindestens 1 mm vorhanden ist.
- Riemen nach Anspruch 2, dadurch gekennzeichnet, dass in der Abwesenheit einer Umklammerung der Balken der Abstand sich vergrössert, wenn das Band (202) sich biegt und die Balken (208,210) sich auf der konvexen Fläche des Bandes (202) befinden.
- Riemen nach Anspruch 3, dadurch gekennzeichnet, dass der Abstand sich vermindert, wenn sich das Band (202) biegt und die Balken (208,210) sich auf der konkaven Fläche des Bandes (202) befinden, wenn zwischen den Balken kein Riegelelement vorhanden ist.
- Antriebsriemen für die Deckelstäbe einer Wanderdeckelkarde, versehen mit einem länglichen elastisch verformbaren Körperteil (202), welches Halteelemente (208, 210; 262, 264; 276, 278; 282, 284) angeordnet in Paaren längs der Riemenlänge, aufweist, wobei zumindest zwei Elemente des Paares dazu neigen, auseinander zu bewegen oder sich anzunähern, wenn der Riemen (200) längs des Wanderpfads der Deckelstäbe einer Karde (Fig. 19) gebogen wird, gekennzeichnet durch mindestens ein Riegelelement, das zwischen benachbarten Halteelementen eingeführt werden kann, um eine gegenseitige Annäherung dieser Elemente zu verhindern.
- Antriebsriemen nach Anspruch 5, dadurch gekennzeichnet, dass der Riemen mit einem Deckel, welcher ein Verbindungsteil (41) aufweist, verbunden ist, wobei dieser Verbindungsteil im wesentlichen das Auseinandergehen von Elementen (208, 210; 262, 264; 276, 278; 282, 284) verhindert.
- Wanderdeckelaggregat, gekennzeichnet durch ein Antriebsriemenpaar, wovon jeder Riemen (200) nach Anspruch 6 gebildet ist.
- Aggregat nach Anspruch 7, dadurch gekennzeichnet, dass jedes Riegelelement an einem Verbindungsteil angebracht werden kann bzw. ist.
- Aggregat nach Anspruch 7, dadurch gekennzeichnet, dass jedes Riegelelement an einem Riemen angebracht werden kann.
- Aggregat nach einem der vorangehenden Ansprüche 7 bis 9, dadurch gekennzeichnet, dass jede Schnappverbindung eine Tragkraft entwickelt, welche kleiner als die Hälfte des Gewichtes vom Deckelstab (222) ist.
- Aggregat nach Anspruch 10, dadurch gekennzeichnet, dass das Gewicht des Deckelstabes (222) zwischen 15 N und 40 N beträgt.
- Schnappverbindung zwischen einem Deckelstab und einem Antriebsriemen gekennzeichnet durch ein Riegelelement, welches eine ungewollte Lockerung der Schnappverbindung verhindert.
- Verbindung nach Anspruch 12, dadurch gekennzeichnet, dass das Riegelelement durch eine Schnappverbindung mit dem Riemen oder dem Deckelstab in einer Betriebsstellung gehalten werden kann.
- Verbindung nach Anspruch 12, dadurch gekennzeichnet, dass das Riegelelement am Deckelstab befestigt werden kann.
- Verbindung nach Anspruch 14, dadurch gekennzeichnet, dass das Riegelelement am Deckelstab bewegbar befestigt ist, so dass das Riegelelement zwischen einer Betriebs- und einer Bereitschaftsposition bewegt werden kann.
- Verriegelungselement zum Verriegeln einer Schnappverbindung zwischen einem Antriebsriemen und einer Gleitpartie eines Deckelstabes, wobei der Riemen mit elastischen Verbindungselemente (208,210) versehen ist, die paarweise angeordnet sind, so dass ein Abstand (308) zwischen den Elementen eines Paares freigelassen wird,
gekennzeichnet durch,
eine Kopfpartie (340), vorzugsweise mit einem Griff, und
einen Riegel (344), der zwischen den Verbindingselementen (208,210) eingeführt werden kann, um den Abstand (308) im wesentlichen zu überbrücken. - Verriegelungselement nach Anspruch 16 gekennzeichnet durch einen Flansch (342) zwischen der Kopfpartie und dem Riegel.
- Verriegelungselement nach Anspruch 16 oder 17, dadurch gekennzeichnet, dass das Element aus einem Stück gebildet wird.
- Verriegelungselement nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, dass der Riegel (344) mit Nuten (350) und/oder Wülste versehen ist, die mit den Verbindungselementen (208,210) ebenfalls eine Schnappverbindung bilden können.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH11302001 | 2001-06-21 | ||
CH11302001 | 2001-06-21 | ||
DE2002109579 DE10209579A1 (de) | 2002-03-05 | 2002-03-05 | Verriegelte Schnappverbindung |
DE10209579 | 2002-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1270777A1 true EP1270777A1 (de) | 2003-01-02 |
EP1270777B1 EP1270777B1 (de) | 2005-09-21 |
Family
ID=25738920
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Application Number | Title | Priority Date | Filing Date |
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EP02013472A Expired - Lifetime EP1270777B1 (de) | 2001-06-21 | 2002-06-14 | Verriegelte Schnappverbindung zwischen Kardendeckel und Antriebsriemen |
Country Status (3)
Country | Link |
---|---|
US (1) | US6748628B2 (de) |
EP (1) | EP1270777B1 (de) |
DE (1) | DE50204305D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006049342A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine Karde |
DE102006049341A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine Karde |
DE102007011371A1 (de) | 2007-03-07 | 2008-09-11 | H. Hergeth Gmbh | Karde zum Kardieren von Fasern mit bewegten Deckeln |
DE102007011370A1 (de) | 2007-03-07 | 2008-09-11 | H. Hergeth Gmbh | Dynamisches Kardieren |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US7950072B1 (en) | 2005-06-03 | 2011-05-31 | Violet Hanson | Reversible belt with slide buckle |
DE102007051442B4 (de) | 2007-10-25 | 2009-08-27 | Saia-Burgess Dresden Gmbh | Selbsthaltendes Verschlusssystem |
DE102009018058A1 (de) * | 2009-04-21 | 2010-11-04 | Staedtler + Uhl Kg | Kreiskamm |
DE102012006557A1 (de) * | 2012-04-02 | 2013-10-02 | Trützschler GmbH & Co Kommanditgesellschaft | Deckelstab für eine Karde, der einen Tragkörper mit einem Garnituraufnahmeteil und eine Rückenteil aufweist |
CN113975560A (zh) | 2015-03-31 | 2022-01-28 | 费雪派克医疗保健有限公司 | 用于将气体供应至气道的用户接口和系统 |
KR20220165802A (ko) | 2016-08-11 | 2022-12-15 | 피셔 앤 페이켈 핼스케어 리미티드 | 압궤 가능 도관, 환자 인터페이스 및 헤드기어 연결부 |
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2002
- 2002-06-14 DE DE50204305T patent/DE50204305D1/de not_active Expired - Lifetime
- 2002-06-14 EP EP02013472A patent/EP1270777B1/de not_active Expired - Lifetime
- 2002-06-20 US US10/176,108 patent/US6748628B2/en not_active Expired - Fee Related
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US2627756A (en) * | 1947-07-24 | 1953-02-10 | Wilfrid H Bendall | Power transmission chain |
US4799919A (en) * | 1985-09-19 | 1989-01-24 | Kozachevsky Gennady G | Cogged belt with reinforcing members |
US5542154A (en) * | 1993-06-03 | 1996-08-06 | Maschinenfabrik Rieter Ag | Connection between a revolving flat car and a drive belt |
DE19534617A1 (de) * | 1994-10-24 | 1996-04-25 | Rieter Ag Maschf | Deckelantriebssystem |
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Cited By (8)
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DE102006049342A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine Karde |
DE102006049341A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine Karde |
WO2008046479A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine karde |
WO2008046480A1 (de) * | 2006-10-19 | 2008-04-24 | Oerlikon Textile Gmbh & Co. Kg | Wanderdeckelaggregat für eine karde |
DE102007011371A1 (de) | 2007-03-07 | 2008-09-11 | H. Hergeth Gmbh | Karde zum Kardieren von Fasern mit bewegten Deckeln |
DE102007011370A1 (de) | 2007-03-07 | 2008-09-11 | H. Hergeth Gmbh | Dynamisches Kardieren |
DE102007011371B4 (de) | 2007-03-07 | 2018-06-14 | H. Hergeth Gmbh | Karde zum Kardieren von Fasern mit bewegten Deckeln |
DE102007011370B4 (de) | 2007-03-07 | 2018-06-14 | H. Hergeth Gmbh | Dynamisches Kardieren |
Also Published As
Publication number | Publication date |
---|---|
US20030092522A1 (en) | 2003-05-15 |
US6748628B2 (en) | 2004-06-15 |
DE50204305D1 (de) | 2005-10-27 |
EP1270777B1 (de) | 2005-09-21 |
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