EP1664409A2 - Procede d'accouplement utilise dans le domaine de la technique textile - Google Patents

Procede d'accouplement utilise dans le domaine de la technique textile

Info

Publication number
EP1664409A2
EP1664409A2 EP04786964A EP04786964A EP1664409A2 EP 1664409 A2 EP1664409 A2 EP 1664409A2 EP 04786964 A EP04786964 A EP 04786964A EP 04786964 A EP04786964 A EP 04786964A EP 1664409 A2 EP1664409 A2 EP 1664409A2
Authority
EP
European Patent Office
Prior art keywords
piezo
locking
elements
healds
coupling
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.)
Withdrawn
Application number
EP04786964A
Other languages
German (de)
English (en)
Inventor
Gerhard Piegeler
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.)
FIRST SpA
Original Assignee
FIRST SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE102004017938A external-priority patent/DE102004017938A1/de
Application filed by FIRST SpA filed Critical FIRST SpA
Publication of EP1664409A2 publication Critical patent/EP1664409A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards

Definitions

  • the invention relates to the coupling and decoupling of the healds to or from the movable lifting guide locking elements and to or from the fixed guide locking elements of a "harness-less shedding device" or the coupling and decoupling of the sinkers to or from the movable stroke-guide locking elements and to or from the fixed guide locking elements of a "roller train-free jacquard machine.”
  • the invention relates to the special arrangement of the movable stroke guide locking elements and the fixed guide locking elements below the shed and the arrangement of the thread eyes above the movable lifting guide locking elements and the fixed guide locking elements in the "hamischlose shedding machine".
  • the movable stroke-guide locking elements are referred to as HFA elements and the fixed guide locking elements as FA elements.
  • Figure 4 see EP Az. 00918706.3
  • Figure 5 see published patent application DE 10146302 A1 show the prior art for coupling and decoupling the healds.
  • each locking device or locking system requires a certain amount of space.
  • the maximum possible warp thread density in the fabric is dependent on this space requirement in the “harness-less shedding device” and is correspondingly limited. It is evident that this may result in major disadvantages in relation to the required warp thread density.
  • the space requirement of the locking devices also plays an important role in the “roller train-free jacquard machine”, since the size of the machine depends on the space requirement of the locking devices. For better clarity, only the “harness-less shedding device” is referred to below. This also applies to the drawings and the description of the figures.
  • the object of the present invention was to achieve the extremely important
  • heald coupling and decoupling to and from the HFA and FA elements of the "harness-less shedding device” find suitable and practical solutions that meet the high demands of the changing "relay coupling" of the healds on and from the HFA and FA elements can.
  • the term "relay coupling” is used in this context because the healds have to be transferred and taken over in a constant change between the HFA and FA elements.
  • the switching frequency corresponds to that
  • the object regarding the space requirement for both techniques is achieved according to the invention in a space-saving design.
  • the known magnet technology need not be explained in more detail here.
  • the special designs are shown in the figures (6 to 13) and the corresponding descriptions.
  • the piezo technology will be dealt with in more detail at this point:
  • the special designs which make the piezoelectric effect usable for the task of heald coupling are shown in Figures (14 to 28) and the corresponding descriptions.
  • the piezoelectric effect can be used in laminate, stacked, and tubular elements, and as a bender and bending washer and as a multilayer. All forms can be used with and without additional translation elements.
  • the translation elements serve to minimize the stroke of the piezo actuators (piezoceramic actuators).
  • the piezo bender can be made up of several layers of piezo ceramic and carbon.
  • the carbon layer can e.g. Piezo ceramic can be applied on both sides or on one side. Instead of carbon, other suitable materials can also be used. What is particularly important is the piezoelectric effect, which makes this two- or multi-layer piezo and carbon structure a bender. As is known, a piezoelectric effect is understood to mean the change in dimension or volume shift of so-called piezo-quartz crystals under the influence of electrical fields (energization / de-energization.
  • This change in dimensions can be ideally used for the present coupling and decoupling process of the heald or sinkers as a lifting movement with the aim of deflection of the heald required for the coupling and decoupling or for positioning and movement of a corresponding locking pin, locking lever or the like.
  • the special feature according to the invention lies in the system of coupling and decoupling the healds to the HFA elements or to the FA elements as well as decoupling by means of piezo actuators (piezoceramic actuating elements) and has the advantage that, for example, no magnetic fields arise that a comparatively low heat development with low energy consumption, and that a safe controllability of the necessarily extremely close together piezo actuators is possible.
  • the response time of the piezo actuators with accelerations up to more than 10,000 g is an ideal prerequisite for the application at hand.
  • Piezo actuators can work with a switching frequency of up to 160 Hertz, and are therefore ideally suited for a number of weft entries of up to approx. 1,200 rounds / min., Which corresponds to a switching frequency of 20 Hertz.
  • the piezo actuator also recommends the average lifespan of approx. 1 billion switching operations for the coupling systems described.
  • FIGS. 14 to 28 work with different benders which either act directly or indirectly on the heald or move a suitable locking element. Translations are also used, which then enables a shorter stroke of the piezo benders according to the translation. Furthermore, the piezo benders are used in individual examples as benders decoupled from the locking elements. This can be very advantageous because piezo elements can react sensitively to tensile stress. If the piezo benders can work decoupled, they are not exposed to tensile stress. Corresponding bending elements can also be applied directly to the heald, so that the heald itself becomes a bender if the current is applied accordingly.
  • Another important object of the present invention was to provide a space-saving method for coupling and decoupling the healds to and from the movable HFA elements and the stationary FA elements, which also make higher heald densities and thus also higher warp thread densities in the fabric possible ,
  • This object is achieved by a method which requires less space for the locking devices of the healds, in that two locking devices (coupling systems) are always arranged one above the other, and in each case two healds are assigned to these two locking devices.
  • These locking devices which are arranged twice in the vertical direction, reduce the space requirement of the Locking devices clearly. This results in an enormous gain in space, which can be used in the sense of the required warp thread density with the "harness-less shedding device" or in the sense of size reduction with the "jacquard machine without pulley”.
  • the space-saving design of the locking devices one above the other can be realized in the described double construction (see FIGS.
  • FIGS. 1 to 5 show the prior art.
  • FIGS. 14 to 28 show solutions according to the invention using the
  • FIGS. 29 to 34 show space-saving coupling examples according to the invention, according to which basically all coupling systems can be implemented.
  • FIGS. 35 and 36 show the arrangement of the HFA and FA elements below the shed according to the invention. DETAILED DESCRIPTION OF THE FIGURES FIG. 1
  • the prior art shows the essential parts of the "harness-less shedding device” according to EP Az. 00918706.3 and US 6,494,237 B1.
  • the essential elements of the "harness-less shedding device” according to the aforementioned patents are described.
  • the healds can therefore be brought into a coupling or decoupling with the respective HFA elements and the FA element by means of different locking methods.
  • the elements mentioned and the healds be designed accordingly.
  • the lower movable HFA element is identified by (1)
  • the upper movable HFA element is identified by (2)
  • the stationary FA element is identified by (3).
  • the stroke of (1) and (2) is indicated by the vertical arrows on the side.
  • the healds are with (4, 4 '), the thread eyes in the healds for receiving the warp threads are with (5, 5'), the guide openings of the elements (1), (2), (3) are for receiving the locking devices designated (6, 6 ').
  • the healds can be designed as flat healds, as round healds or in another expedient manner.
  • the choice of material for the healds can be arbitrary and expedient.
  • the HFA elements (1, 2) and the FA element (3) are shown in one piece. Fig. 2
  • FIG. 1 shows the “harness-less shedding device” according to the prior art.
  • the HFA elements according to the prior art are here in sections (individual elements) (1a, 1b, 1c, 1d) and (2a, 2b , 2c, 2d)
  • the arrows arranged on the side show the different stroke travel of the HFA elements arranged in sections (individual elements).
  • Fig. 3 shows, according to the prior art, the essential parts of the "roller train-free jacquard machine” according to the published patent application DE 101 55783 A1 Es the essential elements of the "roll train-free jacquard machine” are described in accordance with the aforementioned publication.
  • the boards can therefore be brought into a coupling or decoupling from the respective HFA elements and the FA element by means of different locking methods.
  • the elements mentioned and the boards can be correspondingly
  • the lower movable HFA element is with (7), the upper b
  • the movable HFA element is identified by (8) and the stationary FA element is identified by (9).
  • the stroke of (7) and (8) is indicated by the vertical arrows on the side.
  • the sinkers are marked with (10, 10 '), the connection points for the harness are marked with (12, 12'), and the guide openings of the elements (7), (8), (9) for receiving the locking devices are marked with (11 , 11 ').
  • the boards can vary depending Coupling can be designed as flat boards, as round boards or in another expedient way.
  • the choice of material for the circuit boards can also be arbitrary and expedient.
  • the HFA elements (7, 8) and the FA element (9) are each shown in one piece.
  • the HFA elements can be divided in one piece, but also analogously to the HFA elements shown in FIG. 2, into sections (individual elements) which, in order to achieve a so-called inclined compartment, can have different lengths of travel.
  • Fig. 4 shows according to the prior art the coupling method of the healds shown and described in EP Az. 00918706.3.
  • the flat healds are marked with (4), the thread eyes with (5), and the guide openings, which are integrated components of the movable HFA and the stationary FA elements, are marked with (6).
  • Image A The flat heald (4) is designed with a nose (13).
  • the guide opening (6) is equipped with a recess or chamber (14).
  • a recess or chamber (14) For the purpose of coupling or decoupling the flat heald, it must be moved back and forth in accordance with the arrows shown above the flat healds in such a way that the nose (13) engages in the chamber (14) for the purpose of coupling, and not in the chamber for decoupling intervenes.
  • the technology required according to the invention and described below for controlled back and forth movement of the flat heald or for the horizontal deflection of the flat heald is not known to date in the prior art. In addition, this method is not practicable with noses (13) attached to the side of the flat healds.
  • the flat heald (4) is formed with a recess (16).
  • the guide opening (6) is equipped with a fixed locking pin (15).
  • the cutout (16) is pressed onto the fixed locking pin (15) for the purpose of coupling, and the cutout does not open for the purpose of decoupling the fixed locking pin is pressed.
  • the technology required according to the invention and described below for the controlled back and forth movement of the flat heald or for the horizontal deflection of the flat heald is not known in the prior art.
  • the technique described in FIG. 5 also shows no method for moving the healds back and forth. However, this back and forth movement or deflection of the healds is essential for a functioning relay coupling using fixed locking pins in the guide openings. This is dealt with in detail in the figures according to the invention. Fig. 5
  • the thread eye for receiving the warp thread is marked with (5)
  • the flat heald which in this example can be both self-resilient and rigid
  • the recess in the flat heald is marked with (16).
  • the locking pin that is freely movable in a corresponding guide or backdrop is designated by (25). This freely movable locking pin is decoupled from the hinged anchor (24). This decoupling ensures a straight horizontal movement of the locking pin (25).
  • the guide or backdrop in which the locking pin is guided is indicated by a line (26 and 27) in the upper and lower limits.
  • the hinged anchor magnet is indicated by (23), and the left guide side wall is indicated by (21) and the right guide side wall is indicated by (22).
  • the hinged anchor (24) folds out to the left, the locking pin (25) is pushed to the left into the recess (16).
  • the flat heald is coupled with it.
  • a movable locking pin (25) is used in this example, the coupling load does not act on the folding anchor (24), since this is decoupled from the locking pin (25). Furthermore, the movable locking pin can be guided stably and tightly.
  • the distance securing device arranged to the left of the flat heald is designated by (20) and the distance securing device arranged to the right of the flat heald is designated by (28).
  • distance safeguards have the task of holding the flat heald in an appropriate position and preventing uncontrolled coupling of the flat heald.
  • the distance safety devices must always be dimensioned so that they cannot slide into the recess of the flat heald. This applies to all examples according to the invention, when using distance safeguards and simultaneous use of flat healds Cutouts.
  • the hinged anchor (24) is folded in.
  • the flat heald (4) is not coupled.
  • the distance lock (28) prevents uncontrolled coupling of the flat heald.
  • Position B The folding anchor (24) folds to the left and pushes the locking pin (25) into the recess of the flat heald not visible from this perspective.
  • the flat heald (4) is coupled to it.
  • the hinged anchor folds out for the purpose of coupling and the hinged anchor is tapped for decoupling.
  • the required folding movement of the folding anchor is generated in one direction by energization and in the other direction by spring force.
  • the thread eye for receiving the warp thread is marked with (5)
  • the self-springing flat heald is marked with (4)
  • the recess in the flat heald is marked with (16).
  • the pusher pin that is freely movable in a corresponding guide or backdrop is designated by (29). This freely movable pusher pin has the task of pressing the self-springing flat heald onto the fixed locking pin (30) for the purpose of coupling. For this reason, the width of the pusher pin must be such that it cannot slide into the recess of the flat heald.
  • the pusher pin is decoupled from the hinged anchor (24).
  • the guide or backdrop in which the locking pin is guided is indicated by a line (26 and 27) in the upper and lower limits.
  • the hinged armature magnet is indicated by (23) and the left guide side wall is indicated by (21) and the right guide side wall is indicated by (22).
  • the distance lock (20) prevents uncontrolled coupling of the flat heald (4).
  • a self-resilient flat heald is used according to the invention. This has the advantage that the pusher pin only has the heald in one must deflect horizontal direction for the purpose of coupling. The provision is made according to the invention by the self-suspension of the flat heald.
  • Fig. 9 shows the locking devices according to Fig. 8 from the front view from the weaver stand. Position A:
  • Position B The hinged anchor (24) is folded in.
  • the flat heald (4) is not coupled.
  • the distance lock (20) prevents uncontrolled coupling of the flat heald.
  • the hinged anchor (24) folds to the left and pushes the push pin (29) against the flat heald and thereby the recess (16) of the flat heald that is not visible from this perspective onto the fixed locking pin (30).
  • the flat heald (4) is coupled to it.
  • the hinged anchor folds out for the purpose of coupling and the hinged anchor is tapped for decoupling.
  • the required folding movement of the folding anchor is generated in one direction by energization and in the other direction by spring force.
  • 10 shows an exploded drawing of another coupling system according to the invention as an example.
  • the thread eye for receiving the warp thread is marked with (5), the flat heald, which in this example can be both self-resilient and rigid, is marked with (4) and the recess in the flat heald is marked with (16).
  • the electromagnet is labeled (31), the so-called plate anchor is labeled (32) and the locking pin attached to this plate anchor is labeled (33).
  • the left guide side wall is labeled (21) and the right guide side wall is labeled (22).
  • the distance securing device arranged to the left of the flat heald is designated by (20) and the distance securing device arranged to the right of the flat heald is designated by (28).
  • FIG. 11 shows the locking devices according to FIG. 10 from the front view from the weaver stand.
  • Position B The electromagnet (31) is de-energized.
  • the flat heald (4) is not coupled.
  • the distance lock (28) prevents uncontrolled coupling of the flat heald.
  • Fig. 12 shows an exploded view of another coupling system according to the invention as an example.
  • the thread eye for receiving the warp thread is marked with (5)
  • the flat heald which in this example is self-resilient, is marked with (4)
  • the recess in the flat heald is marked with (16).
  • the electromagnet is labeled (31), the so-called plate anchor is labeled (32) and the pusher pin attached to this plate anchor is labeled (34).
  • the left guide side wall is labeled (21) and the right guide side wall is labeled (22).
  • the distance securing device arranged to the left of the flat heald is designated by (20) and the distance securing device arranged to the right of the flat heald is designated by (28).
  • the fixed one Locking pin is designated with (30).
  • the push pin (34) has the task of pressing the self-resilient flat heald (4) with its recess (16) for the purpose of coupling onto the fixed locking pin (30).
  • the width of the pusher pin and the distance locks must be such that they cannot slip into the recess of the flat heald.
  • Fig. 13 shows the locking devices according to Fig. 12 from the front view from the weaver stand. Position A:
  • Position B The electromagnet (31) is de-energized.
  • the flat heald (4) is not coupled.
  • the distance lock (28) prevents uncontrolled coupling of the flat heald.
  • the electromagnet (31) is energized and attracts the plate anchor (32), whereby the pusher pin (34) presses the flat heald (4) with its recess (16), which cannot be seen from this perspective, onto the fixed locking pin (30).
  • the flat heald (4) is coupled to it.
  • the required horizontal lifting movement of the plate anchor is generated in one direction by energization and in the other direction by spring force.
  • FIGS. 14 to 28 show examples according to the invention using piezo technology.
  • the piezo-bender has the task of pressing the flat heald (4), which in this example is constructed as a self-resilient flat heald, with its recess (16) onto the fixed locking pin (30), whereby the flat heald is pressed against the relevant stroke Guide locking element or is coupled to the stationary guide locking element.
  • the piezo bender is released and thus returns to the starting position.
  • the flat heald is reset by the self-suspension of the flat heald.
  • the piezo bender consists of a combination of piezo ceramic layers and carbon. (Carbon is applied to both sides or one side with piezo ceramic) Instead of carbon, other suitable materials can also be used.
  • the thread eye for receiving the warp thread is marked with (5), the self-springing flat heald is marked with (4) and the recess in the flat heald is marked with (16).
  • the piezo bender with a lower fixed point is marked with (35), and the distance lock arranged to the right of the flat heald is marked with (36) and the distance lock arranged to the left of the flat heald is marked with (20).
  • Fig. 15 shows in a functional drawing the locking devices according to Fig. 14 from the front view from the weaver stand. Position A
  • the unpowered piezo bender (35) is arranged in a vertical arrangement to the right of the associated flat heald (4).
  • the flat heald is decoupled in this position.
  • the energized piezo bender (35) makes a bend and presses on the flat heald (4) with its recess, which is not visible in this position the locking pin (30).
  • the flat heald is coupled with it.
  • Piezo-ceramic (37) is applied to the relevant areas of the flat heald (4) with its thread eye (5) for receiving the warp thread.
  • the left guide side wall is marked with (21)
  • the right guide side wall is marked with (22)
  • the spacer element, which prevents uncontrolled coupling of the flat heald is marked with (20).
  • the heald When energized, the heald will bend due to the piezoelectric effect, similar to a piezo bender, and thereby slide with the recess (16) onto the fixed locking pin (30), thereby coupling the flat heald.
  • the flat heald is shown again under B, whereby it can be seen that the piezo ceramic (37) has been applied to the flat heald.
  • Fig. 17 shows in a functional drawing the locking devices according to Fig. 16 from the front view from the weaver stand. Position A
  • the flat heald (4) stands on the right next to the spacer element (20) and does not engage with the recess (16), which cannot be seen from this perspective, on the locking pin (30).
  • the flat heald assumes this straight position, since the piezo-ceramic (37), which cannot be seen from this perspective and is applied to the flat heald, is de-energized.
  • the flat heald is thus decoupled.
  • Position B the piezo-ceramic (37) applied to the flat heald (4) and not visible from this perspective is energized, whereby a bending of the flat heald is achieved, which the same with its recess (16) not visible from this perspective onto the fixed locking pin (30) presses.
  • the Flat heald is coupled with it.
  • the flat heald is marked with (4), the thread eye for receiving the warp thread with (5), the left guide side wall with (21), the right guide side wall with (22), and the piezo element (piezo ceramic), which is in a suitable place (38) is indicated on the flat heald.
  • These piezo ceramics can be applied to the same on one side, on both sides, or even arbitrarily with the aim of achieving the corresponding bending of the flat heald.
  • the piezo ceramic When the piezo ceramic is energized, the flat heald is bent in such a way that it bears against the side walls (21 and 22) of the guide opening and automatically clamps.
  • the flat heald is coupled with it.
  • the flat heald is shown again under B, whereby it can be seen that the piezo ceramic (38) has been applied to the flat heald.
  • the piezo ceramic (38) which is not visible from this perspective and which is applied to the flat heald (4) is de-energized.
  • the flat heald accordingly has a straight position, it is not clamped, and is therefore uncoupled.
  • Position B The piezo ceramic (38) which is not visible from this perspective and which is applied to the flat heald (4) is energized.
  • the flat heald thereby bends and is clamped between the side walls (21 and 22) of the guide opening and is coupled to it.
  • 20 shows an exploded drawing of a further coupling system according to the invention.
  • the flat heald is with (4), the thread eye with (5), the recess of the flat heald with (16), the left guide side wall with (21), the right guide side wall with (22), the left of the flat heald
  • the spacer is arranged at (20), the spacer at the right of the flat heald is at (36) and the piezo bender is at (35).
  • the locking pin which is freely movable in a corresponding guide or backdrop and decoupled from the piezo bender, is designated by (39).
  • the guide or backdrop in which the locking pin is guided is indicated by a line (40 and 41) in the upper and lower limits.
  • the decoupling of the piezo bender (35) from the locking pin (39) prevents the piezo bender from being subjected to tension.
  • the decoupling also ensures a straight horizontal movement of the locking pin (39).
  • this element bends in the direction of the flat heald (4) and presses the locking pin (39) into the recess (16) of the flat heald for the purpose of coupling.
  • the width of the distance safety devices (20 and 36) must be dimensioned so that they cannot slide into the recess (16) of the flat heald (4).
  • the flat heald can be both self-resilient and rigid.
  • the piezo bender (35) is not energized and the locking pin (39) does not engage the recess (16) of the flat heald that is not visible from this perspective.
  • the flat heald is decoupled in this position.
  • Position B The energized piezo bender (35) presses the locking pin (39) into the recess (16) of the flat heald (4) that is not visible from this perspective.
  • the flat heald is coupled with it. 22 shows an exploded drawing of a further coupling system according to the invention.
  • the flat heald is marked with (4), the thread eye for receiving the warp thread with (5), the recess with (16), the left guide side wall with (21), the right guide side wall with (22), the one to the left of the flat heald Distance securing with (20), and the distance securing arranged to the right of the flat heald is designated with (36).
  • the de-energized piezo bender (35) is vertical and the locking lever (42) is not in engagement with the recess (16). In this position the flat heald is decoupled.
  • the piezo bender (35) When the piezo bender (35) is energized, it makes a bend to the right, and the part of the locking lever (42) above the pivot point (43) moves around the pivot point (43) to the left, causing the upper nose of the locking lever ( 42) engages in the recess (16) of the flat heald (4) which is not visible from this perspective.
  • the flat heald is coupled with it.
  • the decoupling of the piezo bender (35) from the locking lever (42) prevents the piezo bender from being subjected to tension.
  • the width of the distance safety devices (20 and 36) must be dimensioned so that they cannot slide into the recess (16) of the flat heald (4).
  • the flat heald can be both self-resilient and rigid.
  • Fig. 23 shows in a functional drawing the locking devices according to Fig. 22 from the front view from the weaver's stand. Position A
  • the de-energized piezo bender (35) is in a vertical position to the right of the associated flat heald (4) and the locking lever (42) is not in engagement with the recess (16) of the flat heald that is not visible from this perspective.
  • the flat heald is decoupled in this position.
  • the energized piezo bender (35) makes a bend to the right, and the part of the locking lever (42) located above the pivot point (43) moves around the pivot point (43) to the left, as a result of which the upper nose of the locking lever moves into it Perspective recess (16) of the flat heald (4) engages.
  • the flat heald is coupled with it.
  • 24 shows an exploded view of another one according to the invention Coupling system.
  • the flat heald is marked with (4), the thread eye for receiving the warp thread is marked with (5), and the recess in the flat heald is marked with (16).
  • the translation lever (44) decoupled from the piezo bender (35) moves when the piezo bender (35) bends around a pivot point (43) and presses the locking pin (39), which is freely movable in a corresponding guide or link, to the left into the recess (16).
  • the flat heald is coupled with it.
  • the piezo bender (35) works decoupled from the transmission lever (44), which prevents the piezo bender from being subjected to tension.
  • the transmission lever (44) is in turn decoupled from the locking pin (39). This ensures a straight horizontal movement of the locking pin (39).
  • the guide or backdrop in which the locking pin is guided is indicated by a line (40 and 41) in the upper and lower limits.
  • the left guide side wall is labeled (21) and the right guide side wall is labeled (22).
  • the distance securing device arranged to the left of the flat heald is designated by (20) and the distance securing device arranged to the right of the flat heald is designated by (36).
  • This method also has the advantage that, given a corresponding transmission ratio of the transmission lever (44), the piezo bender (35) only has to make a comparatively small stroke for the purpose of locking the flat heald.
  • the width of the distance safety devices (20 and 36) must be dimensioned so that they cannot slide into the recess (16) of the flat heald (4).
  • the flat heald can be both self-resilient and rigid.
  • Fig. 25 shows in a functional drawing the locking devices according to Fig. 24 from the front view from the weaver stand. Position A
  • the de-energized piezo bender (35) and the translation lever (44) are in a vertical position to the right of the associated flat heald (4), and the locking pin (39) is not in engagement with the recess (16) of the flat heald (not visible from this perspective) 4).
  • the flat heald is decoupled in this position.
  • Position B The energized piezo bender (35) bends to the right and around the pivot point (43) movable translation lever (44) pushes the locking pin (39) into the recess (16) of the flat heald.
  • the flat heald (4) is coupled to it. 26 shows, in the form of an exploded view, a further example according to the invention for coupling the healds.
  • the flat heald is (4), the thread eye is (5), the recess in the flat heald is (16), the left guide side wall is with (21), the right guide side wall is with (22), and the distance locks are with (20 and 36).
  • the pusher lever (45) decoupled from the piezo bender (35) moves when the piezo bender (35) bends around the pivot point (43) and presses the flat heald with its recess (16) onto the fixed locking pin (30) ,
  • the flat heald is coupled with it.
  • the flat heald is reset by the self-suspension of the flat heald.
  • the width of the distance locks (20 and 36) and the pusher lever (45) must be dimensioned so that they cannot slip into the recess (16) of the flat heald (4).
  • This method also has the advantage that, with a corresponding transmission ratio of the trigger lever (45), the piezo bender (35) only has to make a comparatively small stroke for the purpose of locking the flat heald.
  • FIG. 26 shows the locking devices according to FIG. 26 from the front view from the weaving stand in a functional drawing.
  • Position A The de-energized piezo bender (35) and the trigger lever (45) are vertical.
  • the flat heald (4) is uncoupled in this position.
  • Position B The flat heald (4) is uncoupled in this position.
  • the energized piezo bender (35) makes a bend to the right and the trigger lever (45) decoupled from the piezo bender, moves around the pivot point (43) and presses the flat heald (4) with its recess that is not visible from this position ( 16) on the fixed locking pin (30).
  • the flat heald is coupled with it.
  • piezo actuators piezoceramic actuating elements.
  • Several piezo actuators are manufactured from one block to save space. This increases the warp thread density to be achieved.
  • the handling of the very small components is significantly improved and simplified by the production of several piezo actuators from one block.
  • the modular construction of the piezo actuators from one block also significantly reduces manufacturing costs and thus optimizes them economically.
  • the number of piezo actuators per block or per module (46) can be expediently selected in each case in such a way that the advantages described are brought to optimum effect.
  • the healds are denoted by (4, 4 ') in this illustration.
  • This modular construction can also be implemented with the simultaneous implementation of the space-saving double or multiple construction of the actuators described in the figures (29 to 33).
  • the coupling method described by means of magnetic actuators and / or piezo actuators can be achieved by further appropriate material selection and configuration of the healds (4) and / or the sinkers (10) and / or the guide openings (6, 11) surrounding the healds or sinkers, and / or supported and optimized by additional suitable and appropriate measures and devices.
  • the healds can expediently be used in one part or in several parts, even in different configurations. In the examples described, distance safeguards may be provided.
  • FIG. 29 to 33 show the space-saving double design of two locking devices arranged one above the other. Depending on the coupling methodology more than two locking devices can also be arranged one above the other.
  • FIG. 34 shows the space-saving, staggered double construction of two locking device levels arranged one above the other. Depending on the coupling methodology, more than two locking device levels can also be arranged one above the other.
  • the special feature of the invention is the use of the space available in the vertical direction in favor of the space saved in the horizontal area and the resulting higher heald and warp thread density.
  • This stacked construction (FIGS. 29 to 33) and the stacked construction (34) can be used and implemented both for the use of magnet systems and for the use of piezo systems as well as for all other suitable locking devices.
  • 29 shows, in the form of a so-called exploded drawing, an example according to the invention of the construction according to the invention with two electrically controllable piezo benders arranged one above the other. These piezo benders are intended for integrated installation in or on the guide openings (6, 6 '), of the elements (1, 2, 3) see FIGS.
  • the thread eyes of the flat healds for receiving the warp threads are with (5), the self-resilient flat heald arranged on the left is with (4.1), the self-resilient flat heald set on the right is with (4.2), the coupling point of the flat heald arranged on the left as a recess is with (47), the coupling point as a recess of the flat heald arranged on the right is with (48), the left guide side wall is with (21), and the right guide side wall is designated with (22).
  • the distance locks (51) and (52) have the task of preventing the locking pins (49) and (50) from dipping into the recesses (47) and (48), the self-springing flat healds (4.1) and (4.2).
  • the upper piezo bender is labeled (35.1) and the lower piezo bender is labeled (35.2).
  • the upper piezo bender (35.1) is energized and makes a bend to the left and presses the self-resilient flat heald (4.1) with its recess (47) onto the fixed locking pin (49), thus coupling it Flat heald (4.1) on the respective HFA element or on the FA element of the "harness-less shedding device” or on the HFA element or on the FA element of the "roller-free jacquard machine".
  • the lower piezo bender (35.2) is energized and makes a bend to the right and presses the self-resilient flat heald (4.2) with its recess (48) onto the fixed locking pin (50) and couples so the flat heald (4.2) to the respective HFA element or to the FA element.
  • the respective piezo-bender is released and thereby returns to its starting position.
  • the flat heald is reset by its self-suspension.
  • FIG. 29 shows the locking devices according to FIG. 29 from the front view from the weaver's stand.
  • the left-hand self-resilient flat heald is with (4.1)
  • the right-hand self-resilient flat heald is with (4.2)
  • the left guide side wall is with (21)
  • the right guide side wall is with (22)
  • the distance locks are with (51) and ( 52)
  • the upper piezo bender is labeled (35.1)
  • the lower piezo bender is labeled (35.2).
  • Position A Both piezo benders (35.1) and (35.2) are de-energized and therefore in their starting position without bending. There is no coupling of the flat healds (4.1) and (4.2).
  • Position B is no coupling of the flat healds (4.1) and (4.2).
  • the upper piezo bender (35.1) is energized and makes a bend to the left and presses against the self-springing flat heald (4.1), and thus the recess (47) of the flat heald (4.1), which is not visible from this position, on the fixed locking pin (49) ,
  • the flat heald (4.1) is coupled to it.
  • the lower piezo bender (35.2) is energized and makes a bend to the right and presses against the self-resilient flat heald (4.2), and thus the recess (48) of the flat heald (4.2), which is not visible from this position, on the fixed locking pin (50) ,
  • the flat heald (4.2) is coupled with it.
  • the top piezo bender is labeled (35.1) and the lower piezo bender is labeled (35.2).
  • the upper piezo bender (35.1) is energized and makes a bend to the left.
  • the relevant flat heald is coupled.
  • the lower piezo bender (35.2) is de-energized.
  • the relevant flat heald is not coupled.
  • the upper piezo bender (35.1) is de-energized.
  • the relevant flat heald is not coupled.
  • the lower piezo bender (35.2) is energized and makes a bend to the right.
  • the relevant flat heald is coupled.
  • Position D The upper piezo bender (35.1) is energized and makes a bend to the left.
  • the relevant flat heald is coupled.
  • the lower piezo bender (35.2) is energized and makes a bend to the right.
  • the relevant flat heald is coupled.
  • 32 shows, in the form of an exploded view, another coupling system according to the invention as an example.
  • the thread eyes for receiving the warp threads are marked with (5), the self-springing flat healds are marked with (4.1) and (4.2), and the recesses in the flat healds are marked with (47) and (48).
  • the locking pins for immersion in the recesses of the flat healds for the purpose of coupling are designated (53) and (54).
  • the left guide side wall is labeled (21), the right guide side wall is labeled (22), the lower magnet is labeled (55), and the upper magnet is labeled (56).
  • the distance safeguards, which are intended to prevent the self-springing flat healds from dipping in an uncontrolled manner, are identified by (51) and (52).
  • the respective flat heald which also acts as a magnet armature, is pulled with the recess (47) or (48) onto the locking pin (53) or (54). The respective flat heald is thereby coupled. The respective magnet is released for decoupling. The flat heald is returned then by the self-suspension of the respective flat heald.
  • the self-springing flat healds are with (4.1) and (4.2), the locking pins are with (53) and (54), the left guide side wall is with (21), the right guide side wall is with (22), the lower magnet is with
  • the lower magnet (55) is energized and pulls the flat heald (4.1) with its recess (47), which cannot be seen from this perspective, onto the locking pin
  • Locking devices including the healds (4, 4 '), is 40 pieces on this surface.
  • FIGS. 28 to 33 show a further construction and arrangement of the HFA and FA elements according to the invention.
  • the HFA and FA elements are not arranged above the shed but below the shed, and the thread eyes of the healds are arranged above the HFA and FA elements.
  • this type of construction none of the HFA and FA elements are arranged above the shed, since otherwise the advantages described cannot be fully realized. This allows the HFA and FA elements to be integrated into the weaving machine in a space-saving manner. Furthermore, during the weaving process it is possible, if necessary, for example in the event of a warp thread break, to move the associated heald to an exposed higher position than the other healds, or to move the other healds to a lower position.
  • the HFA and FA elements can, as is known, also be constructed in one piece, in accordance with the figures (1, 35), or in sections (individual elements), as in FIG. 2, in order to achieve an inclined compartment.
  • 35 shows the "harness-less shedding device" with the arrangement according to the invention of the HFA elements (101, 102) and the FA element (103) at the bottom (below the shed) and the thread eyes (105, 105 ') at the top (above the HFA - and the FA elements).
  • the healds are designated by (104, 104 ').
  • FIG. 36 shows the "harness-less shedding device" with the arrangement according to the invention of the HFA and FA elements according to FIG. 35, from the side perspective the weaving system with the open shed.
  • the HFA elements are with 101, 102), the FA element with (103), the coupling point of the heald (115) in the deep compartment with (106), and the coupling point of the heald (116) in the high compartment with (107 ) designated.
  • the warp thread (108) is guided through the thread eye (112).
  • the warp thread (109) is guided through the thread eye (113).
  • the so-called binding point at which the warp and weft threads are crossed is (110) and the resulting fabric is designated (111).
  • the entirety of the HFA and FA elements is arranged below the shed, and that the thread eyes of the healds are arranged above the HFA and FA elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

La présente invention concerne l'accouplement et le désaccouplement de lisses ou de platines par rapport à des éléments de levée-guidage-blocage mobiles et à des éléments de guidage-blocage fixes d'un dispositif de formation de la foule sans harnais ou d'un métier Jacquard sans poulie multiple. Cette invention met en oeuvre une technologie magnétique et une piézotechnologie. De plus, les systèmes d'accouplement selon cette invention peuvent être produits de manière particulièrement compacte. Dans le cas d'un dispositif de formation de la foule sans harnais, les éléments de levée-guidage-blocage et les éléments de guidage-blocage peuvent être montés en-dessous du pas de chaîne et les oeillets des lisses peuvent être montés au-dessus des éléments de levée-guidage-blocage et des éléments de guidage-blocage.
EP04786964A 2003-09-20 2004-09-19 Procede d'accouplement utilise dans le domaine de la technique textile Withdrawn EP1664409A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10343713 2003-09-20
DE10353437 2003-11-15
DE102004017938A DE102004017938A1 (de) 2003-07-16 2004-04-14 Koppelungsverfahren für die Textiltechnik
PCT/EP2004/010515 WO2005028723A2 (fr) 2003-09-20 2004-09-19 Procede d'accouplement utilise dans le domaine de la technique textile

Publications (1)

Publication Number Publication Date
EP1664409A2 true EP1664409A2 (fr) 2006-06-07

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EP04786964A Withdrawn EP1664409A2 (fr) 2003-09-20 2004-09-19 Procede d'accouplement utilise dans le domaine de la technique textile

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EP (1) EP1664409A2 (fr)
DE (1) DE202004015676U1 (fr)
WO (1) WO2005028723A2 (fr)

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Publication number Priority date Publication date Assignee Title
DE102005019102A1 (de) * 2005-04-25 2006-10-26 Grosse Jac Webereimaschinen Gmbh Jaquardmaschine mit bistabilem Element zum Heben und Senken von Kettfäden
WO2006119793A1 (fr) * 2005-05-12 2006-11-16 Picanol N.V. Actionneur pour dispositif de formation de foule sur machine à tisser
JP4318675B2 (ja) * 2005-08-22 2009-08-26 宮城レース株式会社 電子式ジャガード装置及び電子式ジャガード用カセット

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BE1000884A3 (nl) * 1987-08-26 1989-05-02 De Vree & Co J Inrichting voor het vormen van een gaap bij weefmachines.
GB9114563D0 (en) * 1991-07-05 1991-08-21 Bonas Machine Co Heald control device
GB2259526A (en) * 1991-09-11 1993-03-17 Lucas Ind Plc Heald retention mechanism for loom
JPH07100895B2 (ja) * 1991-11-28 1995-11-01 ワックデータサービス株式会社 織機たて糸制御装置
EP0724032B1 (fr) * 1995-01-25 1999-07-21 Kayaba Kogyo Kabushiki Kaisha Dispositif de sélection de fil pour métier à tisser
BE1012129A3 (nl) * 1998-08-24 2000-05-02 Wiele Michel Van De Nv Gaapvormingsmechanisme voor jacquardmachines.
SE0001672L (sv) * 2000-05-08 2001-05-28 Micael Schmitz Electronic Ab Anordning för skälbildande förflyttning av varptrådar i en vävstol
DE10146302A1 (de) * 2001-09-18 2003-04-03 Gerhard Piegeler Fachbildevorrichtung für die Textiltechnik

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Title
See references of WO2005028723A3 *

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WO2005028723A3 (fr) 2005-09-09
WO2005028723A2 (fr) 2005-03-31

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