EP1985733B1 - Edging gathering device for looms - Google Patents

Description

The invention relates to a heddle retractor for heald frames having shaft rods with side post connection devices to which side supports are connected.

Weaving machines usually contain a larger number of healds, each heald carries healds that serve to Kettfadenführung. Each heald is usually formed by a rectangular frame, the long horizontal sides are formed by shaft rods and its short vertical sides by side supports. The shaft rods carry Litzentragschienen, on which many healds are strung.

The drawing of warp threads in the healds and the loading of the shaft bars or healds with healds by hand is not feasible efficiently. It will therefore used so-called Einziehmaschinen that string the automatically provided with the threads of the machine healds on the heald bars. For this, at least one side support must be removed from the heald to gain access to the open ends of the healds. Then the shaft rods must be kept in a defined relative position both to each other and with respect to the Einziehmaschine to take over the healds ordered.

From practice and DE-A-1 222 868 It is known to provide the shaft rods for positioning in or on corresponding Einziehmaschinen with an inserted into the front side of the shaft rod positioning slot. This slot is placed on a corresponding adjustment plate, which thus determines the position of the shaft rod.

These slots can weaken the shaft rod or cause shaft shaft damage when used at very high web speeds.

On this basis, it is an object of the invention to provide a Litzeneinzieheinrichtung which avoids the disadvantages mentioned.

This object is achieved with the strand pulling device according to claim 1:

The Litzeneinzieheinrichtung invention contains a receiving device for at least one shaft rod, normally for a plurality of shaft rods of multiple heddles. At least one adapter for temporarily receiving, aligning and locking the shaft rods is provided on the receiving device, wherein the adapter has a coupling means arranged for connection to the side support connection device of the shaft rod and an adjusting device to adjust its relative position with respect to a Litzenträger can. The heald carrier is used for temporary healds. They are transferred by him to the heald support rail (s) of the heald frames. Because the adapter attaches to the side support connecting device and also uses this for correct positioning of the shaft rod and its shaft support rail, can be dispensed with other recesses on the shaft rod, such as positioning slots or the like. Thus, there is no weakening of the shaft rod, as would otherwise be recorded.

The Litzeneinzieheinrichtung invention assumes the positioning of the shaft rods in three spatial directions, namely the vertical direction, its longitudinal direction and its transverse direction. The longitudinal direction and the transverse direction are horizontal. He uses the side support connection device and optionally, for example, for positioning in the longitudinal direction, the end face of the shaft rod as a contact surface.

For transverse alignment of the shaft rod, a web can be formed on the shaft rod on the side support connection device, which web extends in the shaft longitudinal direction. On the adapter, a matching groove may be formed, which receives the web and thereby causes the horizontal alignment of the shaft rod with respect to its transverse direction. The groove or other suitable positive engagement means formed on the adapter thus forms a positioning means for transverse alignment of the shaft rod.

The adapter is preferably held on a base frame which assumes a fixed position with respect to a heddle carrier for temporary strand support. The adjusting device can be arranged between the base frame and the adapter to ensure that the heald bar of the shaft rod received by the adapter is precisely aligned with the strand carrier.

The adapter preferably defines three spatial directions of the shaft rod. Preferably, the adapter is adjustable by the adjusting device at least in the transverse direction. If two adapters are provided on the base frame, one for receiving an upper shaft rod and one for receiving a lower shaft rod, at least one of these two adapters is adjustable in the horizontal direction in order to adjust the distance between the two adapters. Preferably, in each case stop means for fixing the respective axial end position of the shaft rod are provided on both adapters, wherein these stop means, for example in the form of stop strips, are in turn preferably designed or held adjustable.

The side support attachment device of the shaft rod is preferably a recess, which is associated with a clamping device. The adapter has a coupling means to which the shaft rod can be connected. The coupling means is, for example, a projection which fits with little play into the recess of the side-post connection device. The projection may be provided with a slot which allows the passage of a clamping screw of the shaft rod. The coupling means is then formed by two projections spaced apart by the slot.

Preferably, the adapter is provided with a number of identically formed, mutually parallel coupling means which are arranged in a row next to each other. Thus, the shaft rods of many adjacent heald frames can be lined up side by side on the same adapter. As a result, they are automatically aligned with each other in a properly adjusted position.

Further details of advantageous embodiments of the invention are the subject of drawing, description and claims. The description is limited to essential aspects of the invention and other circumstances. The drawing is to be used as a supplement. It discloses more details.

• Figur 1 einen Webschaft in schematisierter Ansicht,
• Figur 2 die Schaftstäbe des Webschafts nach Figur 1, geschnitten entlang der Linie II-II,
• Figur 3 eine Litzeneinzieheinrichtung mit aufgenommenen Schaftstäben in ausschnittsweiser Perspektivdarstellung,
• Figur 4 die Litzeneinzieheinrichtung nach Figur 3 in ausschnittsweiser und teilweiser Darstellung mit Ansicht auf die Rückseiten der Adapter der Litzeneinzieheinrichtung nach Figur 3,
• Figur 5 die Litzeneinzieheinrichtung nach Figur 3 in schematisierter Seitenansicht,
• Figur 6 und 7 die obere Adapterleiste der Litzeneinzieheinrichtung nach Figur 5 jeweils in perspektivischer Darstellung,
• Figur 8 die untere Adapterleiste der Litzeneinzieheinrichtung nach Figur 5 in perspektivischer Darstellung,
• Figur 9 die untere Adapterleiste der Litzeneinzieheinrichtung nach Figur 8 mit aufgenommenem Schaftstab in längs geschnittener Darstellung und
• Figur 10 die Adapterleiste und den aufgenommenen Schaftstab nach Figur 9 in Vertikalschnittdarstellung.

In the drawing, an embodiment of the invention is illustrated. Show it:

• FIG. 1 a weave in schematic view,
• FIG. 2 the shaft rods of the weave post FIG. 1 , cut along the line II-II,
• FIG. 3 a strand pulling device with recorded shaft rods in a sectional perspective view,
• FIG. 4 the strand feeding device behind FIG. 3 in partial and partial view with a view of the backs of the adapter of the Litzeneinzieheinrichtung after FIG. 3 .
• FIG. 5 the strand feeding device behind FIG. 3 in a schematic side view,
• FIGS. 6 and 7 the upper adapter bar of the Litzeneinzieheinrichtung after FIG. 5 each in perspective,
• FIG. 8 the lower adapter strip of Litzeneinzieheinrichtung after FIG. 5 in perspective,
• FIG. 9 the lower adapter bar of Litzeneinzieheinrichtung to FIG. 8 with recorded shaft rod in longitudinal section and
• FIG. 10 the adapter strip and the recorded shaft rod after FIG. 9 in vertical section view.

In FIG. 1 illustrates a weaving 1 of a weaving machine not further illustrated. The heald 1 includes an upper shaft rod 2 horizontally disposed in use, a lower shaft rod 3 spaced parallel thereto, and side supports 4, 5 interconnecting the shaft rods 2, 3 at their ends to form a rectangular frame. Each shaft rod 2, 3 carries a Litzentragschiene 6, 7, as well as from FIG. 2 can be seen. The shaft rods 2, 3 are for example aluminum hollow profiles. The Litzentragschienen 6, 7 are, for example, flat upright steel profiles. They carry healds 8, which are distributed over the length of the Litzentragschienen 6, 7. In FIG. 1 only a few healds 8 are indicated. Each heald 8 has at least one eyelet or thread eye 9, which serves to guide a warp thread.

For stringing the healds 8 on the Litzentragschienen 6, 7 is a Litzeneinzieheinrichtung 10, the very abstract in FIG. 5 and somewhat more vivid, but incomplete in the Figures 3 and 4 is illustrated. The Litzeneinzieheinrichtung 10 serves to receive the shaft rods 2, 3 of a weave (or 2 ', 3' another weaving) end with the side support removed and keep at the correct distance from each other and in the correct position for stringing the healds 8. For this purpose, the Litzeneinzieheinrichtung 10 first on a base frame 11 which in FIG. 5 only indicated by dash-dotted lines. It serves for the stationary mounting of adapter strips 12, 13, on which coupling means 61 in the form of individual adapters or projections 14, 15 and so on are formed (see also FIG FIGS. 6 and 7 ). The adapters 14, 15 of the adapter strips 12, 13 are designed so that they can be associated with the side support attachment means of the shaft rods 2, 3 in a similar manner as otherwise the side supports. The shaft rods 2, 3 each have at their ends a step 18, 19, wherein at some distance from her a clamping piece 20, 21 is provided. This forms together with a clamping screw 22, 23 each have a clamping device. Between the clamping piece 20 and the step 18 and the clamping piece 21 and the step 19, respectively, a gap or a recess 24, 25 is formed, in which the coupling means 61 of the adapter bar 12 and 13 extends. The side-post connection device is formed by the clamping piece 20, the step 18 and the recess 24 and 21, 19, 25, respectively. In that regard, on the Figures 3 and 5 directed.

The adapters 14, 15, which are formed on the adapter strip 12 as well as on the adapter strip 13, are shaped pieces whose shape is adapted to the recesses 24, 25. They each form coupling means 61 for connecting the heald frames 2, 3. The following description of the adapters 14, 15 applies to both the adapter strip 12 FIGS. 6 and 7 as well as for the adapter strip 13 after FIGS. 8 to 10 , Therefore, the same reference numerals are used insofar:

The adapter strip 12, 13 has a foot 26 formed as a flat elongated plate, which has a flat base and is provided at one edge with a contact strip 27. From the foot 26, preferably integrally molded adapter 14, 15 extend away. Slots 28 are formed between each of the adapters 14, 15 forming a straight row. This slot 28 serves to give the clamping screw 22 or 23 passage, as FIG. 9 shows. The two adapters 14, 15 each sit over a portion of their width in the recess 24 and 25. They each have a rectangular cross-section and are dimensioned so that they find with little play in the recess 24, 25. On their upper side as on their underside they each carry a preferably flat receiving surface. The reception area the top is parallel to the receiving surface of the bottom.

From the FIGS. 6 . 8th and 9 , but especially FIG. 10 recognizable, the section XX according to FIG. 9 illustrates, between the adapters 14, 15 at least at its foot 26 facing the end of a flat groove 29 is formed, for example milled, which serves to receive a formed on the clamping piece 21 or on the shaft rod 2, 3 web 31, 32. The web 31 and / or 32 and the associated groove 29 and / or 30 respectively form in pairs a positioning means for transverse alignment of the shaft rod. The transverse direction coincides with the longitudinal direction of the foot 26 and is in FIG. 9 perpendicular to the drawing plane. In FIG. 10 it is the left-right direction.

To define a defined axial i. Longitudinal direction of each shaft rod 2, 3 is on the adapter bar 12, 13 a preferably adjustable mounted stop means in the form of a stop bar 33, 34 is provided. This is e.g. held by screws 35, 36, 37 adjustable. The retaining screws 35 to 37 pass through elongated holes which extend in the longitudinal direction of the adapters 14, 15 and thus in the longitudinal direction with respect to the shaft rods 2, 3. The stop bar 33, 34 has at its the front ends of the shaft rods 2, 3 facing side a flat contact surface 38, 39.

Both adapter strips 12, 13 are each held adjustable. The in the FIGS. 6 and 7 illustrated upper adapter bar is adjustable both in the horizontal direction and in the vertical direction. This has an adjusting device 40 with an intermediate plate 41. This has threaded holes for mounting screws 42, 43 which pass through the foot 26 at slots 44, 45, which are oriented transversely to the shaft rods 2, 3 and horizontally. The adapter bar 12 is therefore limited in the horizontal direction displaceable. The intermediate plate 41 has on its front side a flat contact surface, to which the adapter bar 12 is pressed by the fastening screws 42, 43. At its rear side, it is provided with vertical grooves 46, 47, the bottom of each of which has a slot 48, 49. It serves to receive fastening screws 50, 51, which hold by corresponding recesses of the adapter bar 12 and are screwed with adjusting pins 52, 53. The latter have rectangular heads and cylindrical shafts and engage in corresponding recesses of the base frame, as it FIG. 5 abstract implies. The adapter strip 12 is therefore held displaceably in the vertical direction.

The lower adapter bar 13 is mounted similarly. However, the intermediate plate 41 is divided into individual plates 41a, 41b, which, like FIG. 8 illustrated, by fastening bolts 54, 55, corresponding threaded bores 56, 57 in the intermediate plate 41b and slots 58 in the intermediate plate 41a are vertically adjustable against each other. The adjusting pins 52, 53, however, are mounted non-adjustable on the single plate 41b.

As FIG. 5 shows, the Litzeneinzieheinrichtung 10, for example, on the base frame 11 held, only indicated by dashed lines Litzenträger 59, 60, for example, as short Litzentragschienenstücke are formed and the end eyelets of strands in the longitudinal direction of the shaft rods 2, 3 receive slidably. The heddle carriers 59, 60 are aligned with the heddle support rails 6, 7, so that the healds can be pushed onto the reel support rails by the heddle supports 59, 60.

The strand catcher 10 described so far operates as follows:

For pulling in strands is from a hive 1, as in FIG. 1 is shown, first at least one side support, for example, the side support 4 or 5 removed. Then the shaft rods 2, 3, as out FIG. 3 can be seen on the coupling means 61 of the respective adapter strips 12, 13 pushed. Previously, the adapter strips 12, 13 have been adjusted so that the Litzentragschienen 6, 7 are in the suitable for receiving the healds 8 distance from each other. In addition, the shaft rods of several heald frames can be accommodated next to one another on the adapter strips 12, 13. In this case, the individual shaft rods 2, 3 are also in the respective desired transverse position. The serve in FIG. 10 The shaft rods 2, 3 can now be secured to the adapter strips 12, 13 by tightening their clamping screws 22, 23, after which the healds equipped with warp threads can be pushed onto the heddle rails 6, 7 , After completion of this process, the heald 2, 3 can be removed by loosening the clamping screws 22, 23 of the adapter bars 12, 13 and connected to their side support.

The adapters 14, 15 or adapter strips 12, 13 according to the invention serve in a stranding device to hold shaft rods 2, 3 of a heald frame in the desired position. They use the connection devices 18, 20, 24; 19, 21, 25, which are provided on the shaft rods 2, 3 for fixing the side support 4 or 5, for holding and supporting the shaft rods 2, 3 and for their precise positioning.

LIST OF REFERENCE NUMBERS

1

heald

2, 3, 2 ', 3'

stave

4, 5

side support

6, 7

heald

8th

healds

9

thread eye

10

Litzeneinzieheinrichtung

11

base frame

12, 13

adapter strips

14, 15

Adapters, tabs

16, 17

stages

18, 19

step

20, 21

clamp

22, 23

clamping screw

24, 25

recess

26

foot

27

attachment bar

28

slot

29, 30

groove

31, 32

web

33, 34

stop bar

35 - 37

mounting screws

38, 39

plane surface

40

adjusting

41

intermediate plate

41a, 41b

individual plates

42, 43

mounting screws

44, 45

slots

46, 47

vertical grooves

48, 49

Long hole

50, 51

mounting screws

52, 53

Justierpins

54, 55

mounting bolts

56, 57

threaded holes

58

slots

59, 60

heald

61

coupling agent

Claims (12)

1. Heald drawing-in device (10) for heald frames (1) with heald frame rods (2, 3), which have side support connection devices (20, 24; 21, 25) for connecting side supports (4, 5),
   with at least one heald support (59, 60) for temporarily receiving healds (8),
   with at least one adapter bar (12, 13) for temporarily receiving, aligning and locking at least one heald frame rod (2, 3), characterised in that the adapter bar (12, 13) forms a coupling element (61) arranged to connect to the side support connection device (18, 20, 24; 19, 21, 25) of the heald frame rod (2, 3) and
   the heald drawing-in device has an adjusting device (40) for adjusting the relative position of the adapter bar (12, 13) in relation to the heald support (59, 60).
2. Heald drawing-in device according to claim 1, characterised in that the coupling element (61) has two projections (14, 15), which are spaced from one another by a slot (28).
3. Heald drawing-in device according to claim 1, characterised in that the heald support (59, 60) and the adapter bar (12, 13) are held on a base frame (11).
4. Heald drawing-in device according to claim 3, characterised in that the adjusting device (40) is arranged between the base frame (11) and the adapter bar (12, 13).
5. Heald drawing-in device according to claim 1, characterised in that the adjusting device (40) is arranged for horizontal adjustment and/or vertical adjustment of the adapter bar (12, 13).
6. Heald drawing-in device according to claim 3, characterised in that two adapter bars (12, 13) are held one above the other on the base frame (11).
7. Heald drawing-in device according to claim 1, characterised in that a positioning element (29, 31) is provided on the coupling element (61) for transverse alignment of the heald frame rod (2, 3).
8. Heald drawing-in device according to claim 1, characterised in that a stop element (33, 34) is associated with the adapter bar (12, 13) to fix an axial end position of a heald frame rod (2, 3).
9. Heald drawing-in device according to claim 1, characterised in that the side support connection device (18, 20, 24; 19, 21, 25) is formed by a recess (24, 25), which is provided in or on the heald frame rod and has an associated claming device (20, 22; 21,23).
10. Heald drawing-in device according to claim 9, characterised in that the coupling element (61) has at least one projection (14, 15), which fits with low play into the recess (24, 25) of the side support connection device (8, 20, 24; 19, 21, 25).
11. Heald drawing-in device according to claim 2, characterised in that the coupling element (61) defines a slot (28) to receive a clamping screw (22, 23) of the side support connection device (8, 20, 24; 19, 21, 25).
12. Heald drawing-in device according to claim 1, characterised in that to receive multiple heald frame rods (2, 2'; 3, 3') the adapter bar (12, 13) has a number of identically configured coupling elements (61) aligned parallel to one another and arranged next to one another in a row.

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