EP3577260A1 - Detektionsvorrichtung an einer spinnereivorbereitungsmaschine und dafür vorgesehene deckelstabgarnitur - Google Patents
Detektionsvorrichtung an einer spinnereivorbereitungsmaschine und dafür vorgesehene deckelstabgarniturInfo
- Publication number
- EP3577260A1 EP3577260A1 EP17821807.9A EP17821807A EP3577260A1 EP 3577260 A1 EP3577260 A1 EP 3577260A1 EP 17821807 A EP17821807 A EP 17821807A EP 3577260 A1 EP3577260 A1 EP 3577260A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clothing
- layer
- contact
- electrically
- flat bar
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 40
- 238000009987 spinning Methods 0.000 title claims abstract description 40
- 238000009960 carding Methods 0.000 title abstract description 14
- 238000001514 detection method Methods 0.000 title description 4
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 239000004753 textile Substances 0.000 claims abstract description 11
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- 238000005859 coupling reaction Methods 0.000 claims description 65
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- 150000001875 compounds Chemical group 0.000 claims description 2
- 238000004382 potting Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 94
- 235000021189 garnishes Nutrition 0.000 description 17
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- 230000008901 benefit Effects 0.000 description 9
- 210000002414 leg Anatomy 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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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
- D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
- D01G15/86—Card clothing; Manufacture thereof not otherwise provided for with flexible non-metallic backing
Definitions
- the invention relates to a clothing, a clothing holder provided therefor and a spinning preparation machine equipped therewith, for example carding.
- Such sets are known per se. They essentially comprise a foundation through which U-shaped and groove-like clothing needles are inserted through. The free ends of the clothing needles protrude from a corresponding side of the foundation on this and interact with a garnish, which is arranged for example on a spool roll. Due to the extremely small distances between the two sets to each other (for example, 0.2 mm), it may happen due to thermal deformations, for example, due to the operation or the ambient temperature that their yarn needles mechanically contact each other. This can lead to excessive mechanical stress and possibly damage to a particular set.
- an electrically conductive rubber layer is used, through which the needles are inserted.
- the rubber layer has the disadvantage that the electrical resistance is enormously high (in the range of 100 ⁇ to 35 kQ).
- the contact between a single yarn needle and the clothing that interacts with it can only be detected at relatively high voltages. High voltages lead to electric fields which are separated from one another, which can cause the formation of sparks and thus ignition of fiber material located there. In addition, this is too high a resistance to allow a reliable and correspondingly sensitive contact detection.
- the object of the invention is to improve the detection of a contact between two interacting sets. This object is solved by the subject matter of claims 1, 11 and 16. Advantageous developments of the invention are specified in the subclaims.
- a clothing which has clothing needles and a foundation in a known manner.
- the clothing needles are arranged through the foundation.
- the foundation holds the needles in position.
- the clothing needles protrude from a first rope t) te the foundation of this.
- the clothing also has a mounting portion. This is designed to attach the set to a holder of a spinning preparation machine.
- an electrical connection section is provided. This is formed outside of the mounting portion or integrated in this and designed to contact at an attachment to the holder preferably this, but at least the spinning preparation machine electrically.
- the attachment portion can be optimized for holding the clothing on the holder.
- the attachment portion may be magnetized, which can greatly reduce or even prevent its electrical conductivity, depending on the material.
- the clothing has an electrical coupling section which is designed to electrically couple at least one of the clothing needles to the connection section. This results in an electrical coupling of the at least one Garniturnadel outward with respect to the clothing, regardless of the Be-fest Trentabrithe the clothing.
- the coupling section preferably comprises an electrically conductive layer. This is arranged on a second, one side of the foundation facing away from the foundation on this. The arrangement is such that the electrically conductive layer has the at least one clothing needle electrically contacted on the second side of the foundation.
- the layer is a component of the foundation, wherein the Garniturndeln are arranged by the layer electrically contacting these.
- the electrically conductive layer comprises a textile fabric which has electrically conductive threads. In this case, the electrical threads can be electrically or directly via each of the trimmings electrically in contact.
- the needles In the case of indirect contacting, the needles must therefore be arranged so that they each contact one of the threads electrically, which increases the freedom in positioning the individual needles. It must be used so much less expensive threads with the electrical conductivity in the textile, which has a favorable effect on the manufacturing cost.
- the electrically conductive threads extend substantially along the longitudinal extent of the clothing. This has the advantage that can be used as threads, for example, metallic sheathed weft threads, which may be spaced apart.
- the clothing also has an electrically conductive contact element. This is arranged such that it electrically contacts the electrically conductive layer such that the contact section is electrically coupled to all the filaments.
- the contact member includes a terminal portion configured to electrically contact an external member with respect to the garnish.
- the connection section allows an electrical coupling of the clothing needles with, for example, an external monitoring circuit. This makes it possible to optimize the threads on the electrical coupling with the Garniturnadeln and each other. In addition, it is thereby possible to produce an electrical coupling of the clothing needles with each other and with respect to the outside with respect to the clothing with a very low electrical resistance. This allows significantly lower voltages to monitor the garment turn needles. All the needles of the clothing are in electrical contact with each other and receive an electrical connection to the outside. In addition, the risk of sparkover between the contacting needles is thus considerably reduced or even avoided.
- the Garniturndeln can be designed as a cross-sectionally groove-like and U-shaped hook.
- the clothing needles are pierced from the second side of the foundation through the foundation in the direction of the first side so that they rest with the groove bottom on the second side of the foundation. Ie. the classical design of the clothing needling is still possible.
- the threads may be arranged such that at least the groove bottom or the needle sections of a threading needle adjoining the groove base, with their free ends, electrically couple or couple a plurality of the electrically conductive threads. This allows, in particular, the indirect electrical coupling of the electrically conductive threads to one another, and this simply by means of producing the needling in a conventional manner.
- attachment portion may be formed on a side facing away from the first side of the foundation. Ie. the attachment portion can be arranged mechanically protected when mounted on the holder, which the reliability benefits.
- Each of the aforementioned sets preferably has a holding element.
- the holding element is formed on a side facing away from the first side of the foundation. It may be electrically insulating or of be arranged electrically insulated the thread needles.
- the holding member is configured to be attached to a holder of a spinning preparation machine. In the simplest case, the holding element is formed by means of a magnetic plate, via which the clothing is held on the spinning preparation machine. It can therefore be maintained the attachment of the set.
- the electrically conductive layer of each of the aforementioned sets may comprise electrically conductive adhesive. This allows electrical contacting of Garniturnadeln each other, without having to pay attention to their arrangement.
- the contact element may be formed by means of an electrically conductive part.
- This part is inventively designed to penetrate when placed on a side facing away from the first side of the foundation side of the electrically conductive layer in this, in such a way that the part comes into electrical contact with the layer.
- the contact element further comprises a connection portion which forms an outer side of the clothing.
- the electrically conductive part may have piercing contacts. This is a particularly simple way to electrically contact the contact element solely by placing it on the foundation and impressions in this with the Garniturnadeln.
- Each of the above sets may have a back plate.
- the back plate is on the side of the layer facing away from the first side of the foundation directly or via a preferably adhesive layer formed intermediate layer indirectly attached to this.
- the back plate can take over the function of ensuring the dimensional stability of the set.
- the back plate or even a potting compound can also form at least part of the aforementioned connection portion. In the case of the back plate, this assumes a double function. This makes it possible to leave the dimensions of the set unchanged.
- Each garnish provided with a back plate can electrically contact it due to its design and attachment to the foundation or layer. Ie. attaching the back plate to the other set already allows electrical contact. This allows easy installation, since it can be realized with conventional assembly steps, for example in the form of a simple placement.
- At least one electrically conductive connection element for example in the form of an integrally formed latching projection, can be provided on the back plate in an electrically contacting manner to the back plate.
- the connection element is provided such that the back plate is electrically coupled to the layer via this at least one connection element.
- the additional connection element can then be attached either to the back plate or to the other clothing and contacts the aforementioned electrically conductive layer. Only in this way is it possible for the back plate to be coupled to the electrically conductive layer after assembly. As a result, the production process has only to be minimally expanded.
- the back plate may be designed in all the aforementioned embodiments, due to its shape mechanically at the foundation or the electrically conductive layer to be attached fixed. This can make holding elements such as an adhesive layer superfluous, so that the complexity of the construction and possibly also the costs can be balanced or even reduced.
- at least one holding element may be provided on the back plate in such a way that the back plate is fixedly attached to the foundation or to the conductive layer via the at least one holding element.
- the back plate can still be made conventionally.
- this can at the same time form one of the at least one retaining element.
- Connection element and retaining element are formed by means of one and the same structural element, such as a latching projection made of metal. This reduces the number of additional elements and thus serves the cost reduction and a simple structure.
- a flat bar according to the invention has a clothing holder with a holding section and an electrically conductive clothing attachment section which is designed to be electrically contactable outwardly with respect to the flat bar and one of the above-mentioned trimmings.
- the clothing is held stationary by means of the holding section in or on the clothing holder.
- the electrical connection portion of the clothing according to the invention is electrically coupled to the clothing connection portion of the flat rod.
- the clothing connection section forms the external element mentioned at the beginning with reference to the clothing. The clothing holder thus assumes a dual function of holding and creating the electrical connection of the clothing to the outside.
- the clothing connection section preferably has a clothing contact section, by means of which the connection section of the clothing preferably contacted by clamping electrically. This ensures a secure electrical contact to the clothing.
- the contact portion also includes a terminal portion. This terminal portion is electrically coupled to the clothing contact portion and formed by a fixing portion of the clothing holder.
- the attachment portion is configured to fasten the flat rod to or in a holding element of a spinning preparation machine.
- the mounting portion also performs two functions of attaching (and holding) the clothing to the clothing holder and the electrical head of the clothing holder with the clothing or their clothing needles, which keeps the structure simple, simplifies assembly and helps maintain the outside dimensions of the clothing holder.
- a spinning preparation machine has at least one of the aforementioned flat bars and one of the aforementioned flat bar holders. This is designed to hold a respective one of the at least one flat bar.
- the spinning preparation machine further includes a flat bar contact portion. This is designed to be electrically coupled to the garnish connection section when the at least one flat bar is mounted on the flat bar holder. This makes it possible to connect a monitoring circuit now to the module-like flat bar holder. Thus, an electrical contact between the threading needles and a part of a spinning preparation machine such as a flat bar can be produced in a simple manner.
- the machine has a cover rod holding section which corresponds to the fastening section of the flat rod holder holding the one flat rod.
- This comprises an electrically conductive formed flat bar contact portion, the electrically comes into contact with the fitting contact portion when attaching the flat rod.
- the spinning preparation machine further includes or is coupled to a monitoring circuit.
- the monitoring circuit is set up to detect a distance and / or an electrical contact between the lid contact section and another set of the spinning preparation machine interacting with the set held by the first flat bar holder. This makes it possible in a simple manner to detect a malfunction of the respective set and to avoid damage to the spinning preparation machine. Thus, an electrical contact between the respective flat bar and now also the spinning preparation machine is made per se.
- the monitoring circuit is preferably electrically coupled to the other set. This makes it possible to apply a test voltage to one of the two sets that cooperate with each other and to be able to test a short circuit between the inter-acting sets at the electrical connection of the clothing interacting therewith. This makes it possible to detect the contact of these garments with each other in a particularly simple manner.
- the flat bar contact portion may be formed by means of an electrically conductive band. At least in a first region, in which the clothing of the at least one held flat rod interacts with another clothing, the band is biased in the direction of the flat-bar holding element.
- the band to the flat rod holding member has a minimum distance which is less than a maximum extension of the at least one flat bar in the direction of the minimum distance. So is the flat bar in the area of the contact band, he presses that Band away from the flat bar holding element, whereby a secure electrical contact between the band and the flat bar is ensured. This can advantageously be done by means of one or more pins or pin-like projections on the respective set.
- FIG. 1 shows a holder with a garnish according to a first embodiment of the invention in the cutout and in section
- FIG. 2 shows a holder with a garnish according to a second embodiment of the invention in section and in section
- Figure 3 shows the garnish of Figure 1 in an exploded view
- FIG. 4 shows the contact element of FIG. 3
- Figure 5 shows a provided with the set of Figure 3 holder in three
- FIG. 6 shows the contact element of the fastening part of FIG. 5
- FIG. 7 shows the arrangement of FIG. 5 in longitudinal section
- FIG. 8 shows an arrangement modified to FIG. 7,
- FIG. 9 shows a holding element of a spinning preparation machine provided with the holder of FIG. 5 in section and in section according to FIG. 7, 10 shows a cover guide for the holder of FIG. 8 in two views,
- FIG. 11 shows a longitudinal section of a set in accordance with a third embodiment of the invention in two variants,
- FIG. 12 shows a longitudinal section of a detail of a modification of the clothing of FIG. 11 in two variants
- FIG. 14 a longitudinal section of a set according to a fifth embodiment of the invention in two variants
- FIG. 15 shows a longitudinal section of a detail of a clothing according to a sixth embodiment of the invention
- FIG. 16 shows a longitudinal section of a clothing in accordance with a seventh embodiment of the invention.
- Figure 1 shows an arrangement with a holder 30 and a clothing 10 which is formed according to a first embodiment of the invention.
- the holder 30 comprises an adhesive layer 33 to which a magnetic strip 34 is attached.
- the clothing 10 has, on a side facing the holder 30, a back plate 90 made of magnetizable material, such as steel. About this back plate 90, the clothing 10 is mounted or held on the holder 30.
- the back plate 90 is attached to an electrically conductive layer 13 by means of an intermediate layer 14 formed here as an adhesive layer.
- a foundation 12 of the clothing 10 is attached, which may consist of several layers or glued together fabric layers, for example. Usually, the foundation 12 is constructed of five cotton fabric layers.
- the base for the foundation 12 and the layer 13 may be cotton, the mechanical properties of the garnish 10 that are important for processing (eg, carding) sliver material are not affected.
- the electrically conductive elements can be integrated into a flat textile, whereby the textile itself becomes the electrically conductive element and not just forms a carrier material. This has the advantage that no rigid electrical parts are required, which could adversely affect the electrical coupling.
- U-shaped and thus groove-like Garniturnadeln 1 1 are pierced by a holder 30 side facing the layer 13 therethrough and through the foundation 12 through such that they protrude from a side facing away from the holder 30 of the foundation 12.
- the needles 1 1 are surrounded by the adhesive layer 14 and thus preferably electrically isolated from the back plate 90.
- the layer 13 causes all garment needles 1 1 are electrically coupled together. This makes it possible to provide an external electrical connection (not visible here) on the clothing 10 in order to feed in or remove tension from the clothing needles 11.
- the adhesive layers 14, 33 is an electrical insulation between the Garniturndeln 1 1, the back plate 90 and the holder 30 here given in the form of a flat bar.
- FIG. 2 shows a holder 30 with a clothing 10, which is formed according to a second embodiment of the invention.
- the holder 30 is constructed by way of example just like the holder 30 in FIG.
- the clothing 10 also includes by way of example also a back plate 90, over which the clothing 10 is attached to the corresponding magnetic strip 34 of the holder 30.
- the layer 15 is also cotton-based, so that a good bond between all fabric layers of the foundation 12, the fabric layer 15 and the back plate 90 is ensured.
- the layer 15 is preferably a fabric in which metallic and / or graphite-based threads are interwoven or the threads are surrounded by such materials, advantageously with these umzwirnt.
- a very low electrical resistance of the textile, per running meter ideally less than 50 ⁇ , that is less than 50 ⁇ / m, achieved.
- the garnish needles 1 1 are in turn stung through the foundation 12 and pass through on the side facing away from the holder 30 of the foundation 12 from this.
- FIG. 3 shows an exploded view of the clothing 10 of FIG. 1.
- the foundation 12 with layer 13 as a block and with a number of the garment needles 11 pierced therethrough, a connection part 16, the adhesive layer 14, a connection part 20 and the back plate 90 are shown.
- the connecting part 20 is formed in the example shown in cross-section J-shaped. Individual, the short free leg of the J forming Einstechessore 21 parallel to a leg 22 which forms the long free leg of the J. A leg 23 connects these two elements 21, 22 with each other.
- the connecting part 20 is mounted on the block 12 + 13, the piercing contacts 21 are pierced into the latter, so that the connecting part 20 is coupled to the electrically conductive layer 13.
- the adhesive layer 14 is preferably formed electrically insulating. Consequently, the connection part 20 is electrically insulated from the back plate 90.
- connection part 16 allows an electrical connection between the sets 1 1 and the electrical connection part 20.
- FIG. 4 shows the connection part 20 in greater detail.
- the puncture contacts 21 are clearly visible as well as the two legs 22, 23 of the connection part 20th
- FIG. 5a shows a partial exploded view of the entire arrangement consisting of holder 30, clothing 10 and a fastening part 40.
- the fastening part 40 serves to attach or arrange the holder 30, including the clothing 10 attached thereto, to a spinning preparation machine (not shown).
- the clothing 10 is shown moved out of the holder 30 slightly.
- the holder 30 has a receiving groove 31, preferably extending along its longitudinal extension, into which the clothing 10 with a corresponding projection 17 engages in a form-fitting manner.
- This projection 17 is not formed on the opposite side facing here to the rear. This makes it possible to ensure that the clothing 10 can only be inserted in a single position in the holder 30 or mounted on this.
- the assembly is very simple: First, the projection 17 is inserted into the groove 31, and then the set used so 10 is pivoted about the projection 17 as a rotation axis in the direction of holder 30 until the back plate 90 abuts the magnetic strip 34.
- connection part 20 is indicated, which is formed at the front end here and optionally also the rear end of the clothing 10.
- the front attachment part 40 here has, on its side facing the holder 30, two rod-like parts 41 which are preferably inserted into corresponding receiving openings 32 of the holder 30 in a form-fitting manner, possibly also in a clamping manner.
- a frictional connection for example by means of gluing bens conceivable.
- a locking part 60 is provided centrally, the extends in the same direction as the pointing in the direction of holder 30 ends of the rods 41, 41st
- the locking part 60 engages with a protruding in the direction of the holder 30 locking lug 62 positive and / or non-positively in a sleeve 1, which is formed in the interior of the holder 30 or attached thereto.
- the locking lug 62 is elastically formed so that it can deform and thus can be frictionally engaged with the corresponding inner surface of the sleeve 1 in engagement.
- the fastening part 40 has a base body 43, in which the rods 41, 41 are formed or arranged, and in which also the locking part 60 is inserted, as explained in more detail below. Furthermore, there is a contact part 50 arranged on a side of the fastening part 40 facing the holder 30, which advantageously electrically contacts both bars 41, 41. The contact part 50 is further designed so that it also electrically contacts the connection part 20 in the assembled state.
- the contact part 50 has a stop face 54 on the side facing the clothing 10, with which the contact part 50 comes into contact with the end face of the connecting part 20 facing it when the fastening part 40 is mounted. Ie. After assembly of the clothing 10 in the holder 30, the two parts 20, 50 touch with their outer contact surfaces, which may be sheet-like, and thereby provide an electrical coupling between set 10 and mounting member 40 ago.
- the fastening part 40 has a projection 45 which has the same function as the projection 17 of the clothing 10. jump 45 is formed only on a single page, a rotationally secure mounting is now also the fastening part 40 with respect to the holder 30 guaranteed.
- the contact part 50 can also be integrated in a production of the fastening part 40, preferably made of plastic, for example in an injection molding process.
- FIG. 5b shows a view similar to FIG. 5a, except that the components 50, 60 of the fastening part 40 are shown in exploded view with regard to this. Further, the holder 30 are shifted up here and thus the set 10 shown exposed. The clothing 10 is again shown in exploded view with respect to its individual components.
- the sleeve 1 is placed on a rod-like part 2, for example, pressed or screwed. But it can of course also be integrally formed with the rod 2.
- the rod 2 itself is accommodated in a corresponding receptacle 35 of the holder 30 in a stationary manner.
- the rod 2 is missing, and the sleeve 1 is fixedly arranged directly in the holder 30, for example, by being screwed into the receptacle 35.
- the sleeve 1 may also be integrally formed in the holder 30 with this.
- the locking member 60 has at its end facing away from the holder 30 a locking projection 61 which is formed in the assembled state transversely to the plane of a respective one of the set elements 12 + 13 (Fundation 12 plus layer 13), 14, 90 extending.
- the projection 61 only upwards and engages in the assembled state in a corresponding recess 47 of the fastening part 40 a.
- the locking member 60 has a corresponding bearing surface 63.
- a projection 61 can also be formed on this side, which now engages in a corresponding recess 47 on the underside of the fastening part 40.
- the projection 61 may be formed like a sawtooth, wherein the tooth face has in the direction of the fastening part 40.
- FIG. 5 c shows a view similar to FIG. 5 a, only seen from the holder 30 in the direction of the fastening part 40.
- the rods 41, 41 also protrude from the rearwardly facing rear side of the fastening part 40.
- the contact part 50 preferably encloses the fastening part 40 on its front side facing the clothing 10 and also on the side facing up here.
- pointing in the direction of garnish 10 stop surface 54 of the contact member 50 with the not visible here connector 20 is in electrical contact.
- the locking part 60 ensures that, after insertion of the fastening part 40, the latter is prevented from moving away from the latter and the holder 30 in the direction of the lengthwise extension of the clothing 10.
- the fastening part 40 is securely held on the holder 30, so that the electrical contact between the clothing needles 1 1 and the rods 41, 41 is ensured.
- FIG. 6 shows the contact part 50 in greater detail. It has two abutment surfaces 53, with which the contact part 50 rests against a contact surface 44 pointing in the direction of clothing 10 in FIG. 5b and an upward-pointing side of the fastening part 40, not shown here.
- the contact part 50 on an opposite side of the garnish 10 has an exemplary circular recess 52, with which the contact part 50 comes to rest positively on a corresponding bow-shaped surface 48 of the fastening part 40 which can be seen in FIG. 5c.
- the recess 52 may also be omitted.
- the contact part 50 has two arms or projections 51 serving as contact tongues. They extend from the other contact part 50 perpendicular to the longitudinal extension of the fastening part 40 or the rods 41, 41 in the direction of just those rods 41, 41st
- the contact tongues 51, 51 are formed so as to extend away from each other toward their free ends. As a result, the projections 51, 51 during assembly, that is to say when the contact part 50 is pushed along the longitudinal extension of the rods 41, 41 in the direction of the fastening part 40, are slightly pushed towards one another by the rods 41, 41.
- the contact tongues 51, 51 are preferably elastic, so that they are resiliently biased. This ensures a secure electrical contact between the contact part 50 and the rods 41, 41st
- the two projections 51, 51 thus contact a respective one of the rods 41, 41 in order to establish an electrical contact.
- the projections 51, 51 are designed so that they represent spring elements, so that contact with the rods 41, 41 is ensured, which in turn provides an electrical connection in the direction of the spinning preparation machine, not shown.
- the fastening part 40 has a preferably continuous opening 42 in a middle region of the main body 43, which serves as a driver opening for the fastening part 40 and thus for the holder 30 mounted thereon, including clothing 10.
- FIG. 7 shows the arrangement of FIG. 5 in cross-section along a plane which extends along the longitudinal extent of both the entire arrangement and the recess 42.
- the Ineing riff standing between the locking part 60 and its not here designated locking nose 62, the sleeve 1 and the rod 2 can be seen.
- the holder 30, the clothing needles 1 1 of the clothing 10, the contact part 50 and the attachment part 40 can be seen with a contact element 46.
- FIG. 8 shows a modified version of FIG. 7 likewise in section with holder 30, fastening part 40 and clothing 10.
- the contact part 50 is plate-like in the region of the connection to the clothing 10 and has an end 55 bent in the direction of the holder 30. This is when pushing together of the fastening part 40 and the holder 30 with the clothing 10 on an electrically conductive layer of the clothing 10 this electrically contacting and resiliently biased on. Ie. the magnetic strip 34 is somewhat shortened with respect to the foundation 12 in length. Thus, an electrical contact between set 10 and mounting member 40 is also created here in a simple manner.
- FIG. 9 shows a retaining element 70 as part of a fixed arrangement of a spinning preparation machine, here a carding machine.
- the retaining element 70 is part of a cover guide 80, along which a plurality to cover rods or assemblies, each with holder 30, 10 and fastening member 40, are moved during operation.
- the fixing part 40 is preferably provided at both ends of the holder 30, so that the holding member 70 is formed not only on the left side of the holder 30 but also on the right side thereof.
- the exemplarily electrically conductive holding element 70 has on its side facing the respective fastening part 40 a preferably circumferential and groove-like recess 74.
- this guide strip 3 is preferably arranged made of plastic.
- the retaining element 70 can be contacted by the rods 41, 41 of the respective fastening part 40 at its end remote from the associated holder 30.
- an electrical coupling from the holding element 70 to the Garniturndeln 1 1 of the respective set 10 is made.
- the rods 41, 41 are advantageously the non-positive and / or positive engagement with not shown holding and / or drive means of the spinning preparation machine. Ie. the respective holder 30 with clothing 10 can be attached to the spinning preparation machine solely by means of the rods 41, 41.
- the retaining element 70 further comprises a fastening element, which is formed by means of a rod portion 71 and arranged thereon nuts 72 with stops 73.
- FIG. 10 shows the lid guide 80 as part of a spinning preparation machine in two views and without flat bars.
- the cover guide 80 is shown in fragmentary form and includes, in addition to the holding member 70, a bearing shell 81 for a roller.
- the retaining element 70 is preferably fastened by means of rods 71 to the spinning preparation machine, for example to its frame. By changing the positions of the screws 72, the holding element 70 can be changed in its mounting position with respect to the other spinning preparation machine. All other, not essential to the invention components of the spinning preparation machine are omitted for clarity.
- FIG. 10b shows the cover guide 80 in a side view.
- the cover guide 80 has two bearing shells 81.
- a fastening portion 82 is formed on each of the two facing edges of these two bearing shells 81.
- each section 82 is formed by means of a block-like projection which extends perpendicularly to the plane of the sheet in the direction of the viewer.
- the garniture 10 not shown here or the flat bars holding the latter move along a circumferential path, namely in a first section from an initial position to an end position along the interacting set of, for example, a spool roll and in a second section in continuous Moving from the second position back to the first position.
- this first section is located between the two fastening sections 82, 82.
- the rods 41, 41 to the retaining element 70 a predetermined distance, which is accomplished by means of the strip 3 and the non-illustrated contact element 46 of the respective fastening part 40.
- the support member 70 extends along this at the right end in the neckline shown, electrically conductive and preferably flexible contact strip 5.
- the contact strip 5 is arranged so that its distance from the holding member 70 is less than a maximum outer dimension of the rods 41st 41 facing away from the respective holder 30 and the contact band 5 facing ends in the contact region with the contact strip. 5
- the contact band 5 may be either a metal band or a braided metal band. It is stationary at both ends with respect to the spinning preparation machine, preferably attached to the retaining element 70 or the respective fastening section 82 provided on it.
- Each fastening portion 82 serves as a deflection for the contact band 5 and / or as a detent for a respective end of the contact band 5. This is exemplified, coming from the first section, guided around the respective attachment portion 83 to a stop 83, 84. In the case of the stopper 84, for example, this is preferably provided with a band tensioning device. tion 85 provided on which the facing end of the contact strip 5 is mounted, and with the help of the contact band 5 is stretched.
- the fastening sections 82, 82 preferably extend substantially parallel to the strip 3 at their edges facing the strip 3. They have a spacing from the strip 3 which is dimensioned so that the ends of the bar 41 contacting the strip 3 are along the strip 3 can pass through the gap thus formed between contact strip 5 and strip 3. If the respective attachment stop 82 is spring-mounted, this distance can also be smaller.
- the stationary with respect to the flat bars contact band 5 has no firm connection to the rods 41, it acts as a sliding contact.
- the material of the contact strip 5 is softer than the material of the rod 41, so that the wear is on the side of the easier to replace the contact strip 5.
- this can be connected by a cable to an evaluation unit of a monitoring circuit.
- the contact strip 5 moves away from the retaining element 70.
- the contact strip 5 with the retaining element 70 creates in the region of the first Position a kind of Einrichttrichter, in which the rods 41, 41 of the respective fastening part 40 automatically come in.
- the rods 41, 41 advantageously lift the contact band 5 from the retaining element 70, so that it is prestressed and thus securely in electrical contact with the respective rods 41, 41 stands.
- the contact band 5 forms a kind of exit funnel. This allows to move the clothing 10 in both directions of movement. Consequently, a respective one of the two fastening sections 82, 82 is located at these positions.
- the contact band 5 does not have to contact the clothing 10 electrically over its entire travel path. This makes it possible, when detecting a contact by means of the monitoring circuit, to only have to consider the sets 10 that are currently in the first section.
- Figure 1 1 shows a longitudinal section of a detail of a garnish 10 according to a third embodiment of the invention. It is designed similar to the set 10 shown in FIG.
- needles 100 with their tips 101 are exemplary from the side of the back plate 90 facing away from the clothing needles 11, through corresponding through openings 91 into the coupling layer 12 + 13.
- the press technology can be used.
- the passage openings 91 extend from the side of the back plate 90 facing away from the clothing needles 1 1 in the direction Garniturnadeln 1 1. They can be prefabricated, for example, by means of boring or can only be produced when the needles 100 are driven in.
- the intermediate layer 14 also has non-designated passage openings. Ie.
- the needles 100 When mounting, it is preferable after mounting (for example by gluing) the back plate 90 to the coupling layer 12 + 13, the needles 100 are pierced through the through holes 91 in the coupling layer 12 + 13. In order to improve the electrical coupling with the back plate 90, the needles 100 are welded to the back plate 90, for example by means of resistance welding.
- the needles 100 thus serve advantageously not only the electrical coupling but also the mechanical holding of the back plate 90 to the intermediate layer 14. This does not necessarily have to be formed adhesive and can be omitted in extreme cases.
- the intermediate layer 14 is elastic, so that back plate 90 and coupling layer 12 + 13 are mechanically decoupled from each other to some extent, making the clothing 10 more robust.
- Another advantage of this embodiment is that the actual electrical coupling takes place after the other set 10 has been finished. If the electrical coupling is not necessary, only the last assembly step is omitted.
- needles 100 all other means, such as screws, are possible.
- the needle 100 shown on the left according to a first variant has smooth outer walls, so that it is simply fixed by friction.
- the needle 100 shown on the right according to a second variant has here on the right and on the left two cross-sectionally exemplarily triangular (latching) projections 102. These are designed such that they engage behind the adhesive layer 14 (left projection 102) or the back plate 90 (right projection 102) and thus prevent the needle 100 from moving out of the other clothing 10 again. Instead of a plurality of local projections 102, one or more encircling projections 102 may or may also be formed.
- the cross-sectional shape can also be different, provided that the retaining function is fulfilled.
- FIG. 12 shows a modification of the clothing 10 of FIG. 11 in two variants likewise in longitudinal section and in the cutout.
- the needles 100 are not pushed through here by the back plate 90 but attached to the garnish needles 1 1 side facing, for example by welding.
- a plurality of (in this example, two) needles 100 are preferably welded to a sheet-like holding element 4.
- the holding element 4 itself is attached to the garnish needles 1 1 side facing the back plate.
- the needles 100 penetrate into the same coupling layer 12 + 13 and electrically contact these and / or some needles 11, and are thus coupled to these elements.
- the holding elements 4 are pressed with attached needles 100 in the coupling layer 12 + 13 and optionally glued to this (via the adhesive layer 14). This results in turn for the back plate 90, a flat contact surface.
- the back plate 90 is placed and fixed by means of the adhesive layer 14 and / or by means of, for example, by means of welding with at least one retaining element 4.
- the holding element is missing 4.
- D. h. the respective needle 100 contacts the back plate 90 itself.
- the assembly can be carried out as in the first variant.
- the needle 100 shown on the right has preferably elastically formed, barb-like projections 102, which prevent the needle 100 from moving out of the coupling layer 12 + 13.
- Another advantage is that both variants can be easily integrated into the conventional manufacturing process.
- FIG. 13 shows, in a longitudinal section, a detail of a set 10 according to a fourth embodiment of the invention in two variants.
- the basic structure corresponds to the second embodiment of the invention.
- This embodiment is based on soldering the coupling layer 12 + 13 to the back plate 90.
- the back plate 90 has prefabricated through holes 91 similar to those of the previous ones Embodiment are formed. After attaching or fixed placing the back plate 90 on the layer 14 arranged underneath, the passage openings 91 are filled with (tough) liquid metal solder.
- material of the intermediate layer 14 evaporates, and the hardening solder connects the coupling layer 12 + 13 to the back plate 90 in a materially bonded manner.
- the intermediate layer 14 to this flux which promotes the formation of the cohesive solder joint.
- a first variant shown on the left in FIG. 13 provides that the coupling layer 12 + 13 is formed recessed in the soldering area. This results in a kind of drip tray for the filled lot. and improves its absorption.
- the back plate 90 in the edge region of the through-opening 91 has a projection 94 formed circumferentially here.
- This is designed so that it is engaged behind by the hardened Lot 1 10.
- the Lot 1 10 thus forms after curing two spaced apart, exemplary in turn circumferentially formed and protruding toward the edge region of the passage opening 91 sections, ie projections, 1 1 1, 1 12, between which a likewise circumferentially formed recess 1 13 is formed.
- the projection 94 engages, so that the hardened solder at least partially fixes the back plate on the other set 10.
- FIG. 14 also shows, in a longitudinal section, a detail of a set 10 according to a fifth embodiment of the invention in two variants.
- the basic structure also corresponds to the second embodiment of the invention.
- the back plate 90 is first attached to the intermediate layer 14 and fixedly mounted on this.
- the back plate 90 is pierced or punctured by the side facing away from the clothing needles 11 in the direction of the clothing needles 11. It thus forms again a through opening 91.
- the resulting ridges of the puncture projecting in the direction of granite needles 1 1 penetrate into the coupling layer 12 + 13 and connect them at least electrically to the other back plate 90.
- these ridges are designed as ring-like puncturing projections 92.
- the advantage is that no additional elements, such as threads, are needed, as well as no additional materials, such as brazing material.
- the back plate 90 is not pierced but pressed into the coupling layer 12 + 13.
- no back sheet material is removed, but instead forms a recessed bottom portion 93 arranged in the coupling layer 12 + 13.
- the resulting bottom portion 93 displaces the material of the intermediate layer 14 and, by way of example, also material of the coupling layer 12 + 13 and thus reaches the coupling head. layer 12 + 13 in plant. This produces an electrical contact. represents, which electrically couples the thread needles 1 1 with the back plate 90.
- FIG. 15 shows, in a longitudinal section, a detail of a clothing 10 according to a sixth embodiment of the invention.
- connection part 16 penetrates the coupling layer 12 + 13, but is accessible at least on the side of the coupling layer 12 + 13 facing away from the clothing needles 11.
- an electrical coupling element can be connected.
- one electrical lead may be soldered at one end, for example, and at the other end to the back plate 90.
- connection part 16 could be retrofitted by pressing into the layer 13 according to FIG. 15 or also from above in FIG.
- FIG. 16 shows, in a longitudinal section, a detail of a clothing 10 according to a seventh embodiment of the invention.
- the electrical coupling between back plate 90 and coupling layer 12 + 13 takes place by means of punching a part of the back plate 90 in the direction Garniturnadeln 1. 1 This in turn creates a through opening 91.
- the resulting projecting toward Garniturndeln 1 1 projection 92 penetrates into the coupling layer 12 + 13 and so realized the electrical contact from the back plate 90 to the Garniturnadeln 1 1.
- the projection 92 thus forms a piercing projection.
- the shape of the projection 92 is exemplary triangular. However, it can take any other form, for example in the form of a (double) latching hook. At the same time, this advantageously also results in a mechanical hold on the coupling layer 12 + 13, as a result of which the intermediate layer 14 can be omitted or no longer has to take over a holding function.
- the invention is not limited to the above-described embodiments. They can be combined in parts or in total with each other or exchanged for each other.
- the attachment of the clothing 10 on the holder 30 can be done in any form, for example by Verrastens, jamming, screwing, etc. Instead of the above-described solutions comes for the electrical coupling between set 10 and mounting member 40 and a plug-socket combination in question.
- the fastening part 40 may be an integral part of the holder 30 and / or the clothing 10. As a result, no electrical co-operation derinnapsure between set 10 and fastener 40 is required.
- the fastening part 40 may be formed in any other embodiment, as long as electrical contact between the needle needles 11 and a connecting element of a spinning preparation machine is made via the fastening part 40.
- the cover guide 80 is only an example.
- the cover release shown here can be used for any other type of clothing. Ie. the holder 30 does not have to be present.
- the clothing 10 may for example be attached by means of gluing on a roller or the like fixed. In the case, an electrical connection between this roller and a monitoring circuit, for example by means of electrical coupling elements conceivable that allows electrical coupling between freely rotatable parts arranged.
- the strip 3 on the holding element 70 is also only an example and may be omitted or even be formed electrically conductive.
- the element holding the strip 3 here: holding element 70
- the element holding the strip 3 would not have to be designed to be electrically conductive. It is important that between the spinning preparation machine and set 10, an electrical contact can be produced. Since the clothing needles 1 1 cooperate with a corresponding, not further illustrated in the context of this application, other clothing, for example, a drum cylinder, there is a first possibility to detect an electrical contact between these two sets, a checking circuit, which in the clothing 10th or the clothing needles 1 1 feeds a monitoring voltage. As long as no electrical is made contact with the other set, no electric current flows, and there is no (measurable) current flow.
- the current flow can also flow in the opposite direction from the other clothing to the clothing needles 11.
- an electrical voltage is applied, for example, to a spool roll in the case.
- Garnel with cover needles 1 1 creates a short circuit, which is detected. Since the lids with their clothing are not originally electrically coupled to the machine, the contact monitoring can not be readily applied here.
- an electrical contact between the needles 1 1 of a set 10 and a spinning preparation machine advantageously to the electrically conductive frame made. This is divided into several aspects.
- the other set is electrically coupled via a separate electrical coupling with the checking circuit.
- the transistor circuit is a driver circuit for just that signaling.
- a higher-level monitoring circuit is alarmed or another action is triggered.
- the invention provides an easy way to easily realize the electrical coupling of a set with a monitoring circuit connected in a spinning preparation machine or externally connected thereto by mounting the already existing components anyway.
- the monitoring circuit In addition to detecting a determination of the distance between the individual sets may be provided. There are various procedures, so that the details are omitted. If the monitoring circuit is external, it can be coupled, for example via a bus control with the spinning preparation machine and thus with the respective set.
- an electrical circuit between the clothing needles 1 1 of the flat clothing and a interacting with her set for example in the form of a drum set, be realized.
- the clothing needles 11 are at least partially free on the side facing the back plate 90, they are preferably in electrical contact with the back plate 90 by means of simple contact.
- the electrical contact can be improved if, for example, an electrical voltage is applied to at least part of these clothing needles 11 (preferably located at the edge) with the back plate 90.
- these garnish needles 1 1 are locally welded to the back plate 90 and thus also mechanically connected. Due to the electrical coupling with each other by means of the coupling layer 12 + 13, not all needles 1 1 need to be in direct contact with the back plate 90.
- connection part 16 at least electrically coupled to the back plate, but preferably also mechanically connected. Since the connection part 16 at least penetrates into the electrically conductive layer 13 and is thus electrically coupled thereto, the layer 13 implements the coupling between the clothing needles and the connection part 16.
- the connection part 16 can be welded or directly to the back plate 90 directly or indirectly via an intermediate element also be soldered. Alternatively, all other types of electrical coupling, for example via line and screws offer.
- the connecting part 16 is formed like a needle and from the garnish needles 1 1 side facing through the coupling layer 12 + 13 pushed through such that it protrudes in the direction of the back plate 90.
- the connecting part 16 is formed as a staple or staple clip, which is the piercing the coupling layer allows 12 + 13 using conventional tacker devices.
- connecting parts 16 may also be provided, and indeed also distributed over the entire side of the coupling layer 12 + 13 facing away from the clothing needles 11.
- the connector 16 may also have more than two tips, which improves the grip and makes the electrical coupling with the back plate 90 and the coupling layer 12 + 13 more robust.
- the connector 16 may comprise one or more (tacker) nails.
- the projections 101, 1 1 1, 1 12 may be provided on all other coupling elements such as the needles 4 and may be formed either locally or circumferentially. Also, they may be replaced by recesses, in which case, for example, the back plate 90 would include instead of the projection 94 or in addition to a recess.
- the number and geometric arrangement or distribution of the passage openings 91 or coupling elements 92, 93, 100, 110 with respect to the side of the clothing 10 (or the back plate 90) facing away from the clothing needles 11 may vary, provided that the Function, so the electrical coupling and / or mechanical fixing is guaranteed.
- the arrangement of layers 12, 13 or 13, 14 and the layer 15 can be exchanged or combined with each other.
- the cutout shown in Figure 15 may additionally or alternatively be formed outside the ends of the clothing 10 and applied to all other embodiments.
- the invention provides a simply constructed and universally usable possibility for realizing an electrical contact between two interacting sets or their clothing needles.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017101863.8A DE102017101863A1 (de) | 2017-01-31 | 2017-01-31 | Detektionsvorrichtung an einer Spinnereivorbereitungsmaschine und dafür vorgesehene Deckelstabgarnitur |
PCT/EP2017/081153 WO2018141436A1 (de) | 2017-01-31 | 2017-12-01 | Detektionsvorrichtung an einer spinnereivorbereitungsmaschine und dafür vorgesehene deckelstabgarnitur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3577260A1 true EP3577260A1 (de) | 2019-12-11 |
EP3577260B1 EP3577260B1 (de) | 2023-10-18 |
Family
ID=60813806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17821807.9A Active EP3577260B1 (de) | 2017-01-31 | 2017-12-01 | Deckelstabgarnitur mit einer detektionsvorrichtung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3577260B1 (de) |
CN (1) | CN110234803B (de) |
BR (1) | BR112019015676B1 (de) |
DE (1) | DE102017101863A1 (de) |
WO (1) | WO2018141436A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019110691A1 (de) | 2019-04-25 | 2020-10-29 | TRüTZSCHLER GMBH & CO. KG | Karde |
CN114836853B (zh) * | 2022-05-25 | 2023-07-07 | 金轮针布(江苏)有限公司 | 一种防静电高握持力弹性针布的成型工艺 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0233376A (ja) * | 1988-07-19 | 1990-02-02 | Tadokoro Kimou Kk | 針布用基布 |
DE502006006043D1 (de) * | 2005-05-11 | 2010-03-18 | Rieter Ag Maschf | Spinnereivorbereitungsmaschine sowie berührungsloses messverfahren |
WO2006119655A1 (de) * | 2005-05-11 | 2006-11-16 | Maschinenfabrik Rieter Ag | Berührungsloses messverfahren sowie vorrichtung an einer textilmaschine |
DE102005050904B4 (de) | 2005-10-21 | 2019-12-12 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Krempel o dgl., zur Überwachung |
DE102009013412A1 (de) * | 2009-03-18 | 2010-09-23 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Karde für Baumwolle, Chemiefasern o. dgl., bei der mindestens ein Deckelstab mit einer Deckelgarnitur vorhanden ist |
CH704982A1 (de) | 2011-05-20 | 2012-11-30 | Rieter Ag Maschf | Vorrichtung zum Ausscheiden von Schmutz und Kurzfasern an einer Karde. |
CH705549A1 (de) * | 2011-09-16 | 2013-03-28 | Graf & Co Ag | Garnitur für einen Deckel einer Karde. |
EP2743385B1 (de) * | 2012-12-14 | 2014-07-23 | Maschinenfabrik Rieter Ag | Verfahren und Vorrichtung zum Überwachen von Kontakten eines sich drehenden Bauteils einer Textilmaschine |
CH707682A2 (de) | 2013-03-06 | 2014-09-15 | Graf & Co Ag | Fundation für eine Garnitur einer Karde. |
-
2017
- 2017-01-31 DE DE102017101863.8A patent/DE102017101863A1/de not_active Withdrawn
- 2017-12-01 CN CN201780085132.0A patent/CN110234803B/zh active Active
- 2017-12-01 WO PCT/EP2017/081153 patent/WO2018141436A1/de unknown
- 2017-12-01 BR BR112019015676-3A patent/BR112019015676B1/pt active IP Right Grant
- 2017-12-01 EP EP17821807.9A patent/EP3577260B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN110234803A (zh) | 2019-09-13 |
BR112019015676A2 (pt) | 2020-04-07 |
BR112019015676B1 (pt) | 2023-05-16 |
CN110234803B (zh) | 2022-02-01 |
WO2018141436A1 (de) | 2018-08-09 |
EP3577260B1 (de) | 2023-10-18 |
DE102017101863A1 (de) | 2018-08-02 |
BR112019015676A8 (pt) | 2022-07-05 |
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