EP3409817A1 - Device for transporting a core in a lap-winding device - Google Patents
Device for transporting a core in a lap-winding device Download PDFInfo
- Publication number
- EP3409817A1 EP3409817A1 EP18171160.7A EP18171160A EP3409817A1 EP 3409817 A1 EP3409817 A1 EP 3409817A1 EP 18171160 A EP18171160 A EP 18171160A EP 3409817 A1 EP3409817 A1 EP 3409817A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding shaft
- shaft
- magazine
- nonwoven winder
- lever
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000012546 transfer Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/06—Lateral-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
- B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
- B65H19/305—Inserting core
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G23/00—Feeding fibres to machines; Conveying fibres between machines
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G27/00—Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/417—Handling or changing web rolls
- B65H2301/4171—Handling web roll
- B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
- B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/40—Type of handling process
- B65H2301/41—Winding, unwinding
- B65H2301/417—Handling or changing web rolls
- B65H2301/418—Changing web roll
- B65H2301/4181—Core or mandrel supply
- B65H2301/41816—Core or mandrel supply by core magazine within winding machine, i.e. horizontal or inclined ramp holding cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2408/00—Specific machines
- B65H2408/20—Specific machines for handling web(s)
- B65H2408/23—Winding machines
- B65H2408/236—Pope-winders with first winding on an arc of circle and secondary winding along rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile; fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/177—Fibrous or compressible material
Definitions
- the invention relates to a transport device for a nonwoven winder, a nonwoven winder equipped therewith and an operating method for such an equipped nonwoven winder.
- Nonwoven winder are known per se. They serve to wind a fleece coming, for example, from a card on a winding shaft. For this purpose, empty winding shafts are inserted in a magazine of the nonwoven winder and gradually brought into a waiting position. The waiting position serves to separate the winding shaft on the one hand from the other winding shafts and on the other hand to set before the start of the actual winding process in rotation.
- a disadvantage of the known nonwoven winder is that the winding shaft to be separated must first be spatially separated from the other, located in the magazine winding shafts in order to bring them as frictionless as possible in the waiting position.
- the object of the invention is therefore to provide an improved device for a nonwoven winder, which is able to ensure that to be brought into waiting position empty winding shaft from the other, located in the magazine of the nonwoven winder winding shaft locally.
- a device which has an arrangement.
- This arrangement is adapted to be integrated into a nonwoven winder such that the apparatus is capable of receiving a first winding shaft next to a contact roll of the nonwoven winder in a magazine of the nonwoven winder in a receiving position and from the magazine to a waiting section of the magazine Fleece wrapper to transport.
- This device is also designed to move away from the first winding shaft before receiving the first winding shaft in the magazine of the device further away, adjacent to the first winding shaft, the second winding shaft. This makes it possible to move the first winding shaft without problems from the magazine away. Such problems could be an increased force and thus energy expenditure for moving away a winding shaft.
- the increased effort may result from the contact and the resulting friction between the one winding shaft and the adjacent winding shaft and / or the abutment against an end stop of the magazine. It can therefore drives with lower energy consumption can be integrated into the device, which helps keep the operating costs of the nonwoven winder low. In addition, the risk of damage to the contact surface in particular of the nonwoven receiving outer peripheral surface of a winding shaft is smaller.
- the recording of a winding shaft can be realized by the arrangement comprises a shaft and a lever.
- the shaft is configured to be disposed on the web unwinder so as to extend substantially parallel to a winding shaft located in the magazine of the web unwinder.
- the lever in turn is rotatably mounted on the shaft and includes a support surface.
- the support surface extends substantially parallel to a plane of rotation of the lever defined by the shaft. It also points in a direction from the rest of the lever substantially parallel to the plane of rotation and substantially perpendicular to its extension direction, that upon rotation of the shaft in a predetermined first direction of the lever is rotated to a predetermined end position so that the bearing surface of a ground, is placed on the nonwoven winder, destructive abuts against the first winding shaft.
- the first direction thus leads to the lever being lifted off the magazine when contacting the winding shaft on contact from the ground.
- the lifting takes place in such a way that in the end position of this movement of the lever whose bearing surface at each point, perpendicular to the ground, has a distance from the ground, which is at least equal to a distance of a storage contour of the magazine for the winding waves of the nonwoven winder.
- the storage contour is the contour of the magazine, which also faces away from the floor. Ie. the support surface is located at each point at least at the same height as one at the respective point section of the magazine contour. The one winding shaft is therefore not hindered in its movement on the support surface of the lever by this contour of the magazine.
- the support surface is inclined in the direction of a contact roller of the nonwoven winder to the ground.
- the lever has a limiting section. This is designed to limit movement of the first winding shaft on the support surface in the direction away from the magazine after picking up the first winding shaft. It is therefore an end stop. There are therefore no additional measures required to influence the movement of a winding shaft away from the magazine.
- the limiting portion is preferably formed by means of a projection, which is formed projecting from the support surface and away from the shaft. This is a particularly easy to manufacture way to realize the movement limit stop.
- the limit stop may be formed by means of a depression. This is formed in the support surface or on a side facing away from the magazine end of the support surface.
- the restricting portion between the contact roller and the magazine is arranged such that when the shaft rotates in a second direction opposite to the first direction, the restricting portion is substantially equal in a transfer position in which the support surface is spaced from the ground is a distance of the waiting section, is arranged such that the one winding shaft arrives safely in the waiting section in a further rotatably rotating the shaft in the second direction despite contact or resting on or in the limiting section.
- the limiting section in conjunction with the support surface ensure that the one winding shaft can be safely moved past the magazine to the waiting position; other precautions are not required. This keeps the structure simple and inexpensive. In addition, only the lever must be moved during the entire process.
- the moving away of the second winding shaft from the first winding shaft can be realized by the arrangement having a stop edge which is formed so that the stop edge when rotating the first lever in the first direction before reaching the receiving position against the second winding shaft when the lever rotates further in the direction of the receiving position, it is moved away from the first winding shaft such that the stop edge urges the second winding shaft away from the first winding shaft.
- the panning the lever is sufficient to separate a winding shaft of the adjacent and thus of all other, located in the magazine winding shafts.
- the lever is still pivoted in two directions (once and once back), which keeps the operation simple. Only the shape of the lever is chosen so that the additional separation function does not have to take on any additional element. Overall, the structure and operation remain very simple and therefore cost.
- the support surface may be formed by means of an outer edge or an outer edge of the lever. Accordingly, the lever does not necessarily have to be made more complex, but may only be slightly changed in terms of dimensions.
- the stop edge may be formed by means of an outer edge or an outer edge of the lever. Ie.
- the lever performs a dual function: moving the second of the first winding roll and then picking up the first winding roll, which allows a simple and inexpensive construction.
- the support surface and the stop edge may be formed abutting one another.
- two straight surfaces such as can be produced, for example, by laser cutting, suffice to be able to realize the separation function.
- a stop edge can also be provided on a projection.
- the projection is rotationally fixed to the lever and rotatably disposed about the same axis as the lever.
- the arrangement of the projection is accordingly such that the projection when rotating the lever in the first direction Winding roll abuts with its stop edge against the second winding roll in the direction of the first winding roll away and urges the second winding roll away from the first winding roll in a further rotation of the lever.
- the projection has the advantage that the lever does not have to be redesigned to push away the second winding roll. This allows retrofitting existing nonwoven winder simply by mounting an additional part with said projection. Are both the projection and the lever each provided with a stop edge, the reliability increases. If the projection breaks off, for example, the lever can take over its function.
- Each of the aforementioned devices may comprise two of the aforementioned arrangements. Both arrangements are adapted to be integrated into the nonwoven winder such that the apparatus is capable of receiving and transporting the first winding shaft at its ends and of moving the second winding shaft away from the first winding shaft at its ends. This means that the collecting surface for the fleece, which is usually located in the middle region of the winding shaft, does not come into contact with the arrangement. This helps to avoid damage to this important for the winding process area of the respective winding shaft.
- a nonwoven winder is provided according to the invention.
- This has a magazine that is designed to store winding shafts. Further, the nonwoven winder on a waiting section, which is designed to receive a winding shaft in waiting position.
- the nonwoven winder has one of the aforementioned devices, which is integrated with its or their arrangements in the nonwoven winder, as described above. The nonwoven winder is therefore further simple and inexpensive in construction.
- the nonwoven winder preferably has a drive motor. This is arranged to rotate the shaft of one of the at least one arrangement of the device in the first and the second direction.
- a drive motor This is arranged to rotate the shaft of one of the at least one arrangement of the device in the first and the second direction.
- the device may, as stated above, have two arrangements.
- the arrangements are accordingly arranged on two opposite sides of a frame of the nonwoven winder, associated with the advantages already mentioned.
- the sides on which the arrangements are arranged are outer sides of the frame.
- the frame takes on an additional function, namely the picking up of the respective arrangement, which helps to keep costs low.
- a method for operating one of the aforementioned nonwoven winder comprises a first step of operating the respective arrangement of the device in such a way that a second winding shaft arranged further away from the first winding shaft in the magazine to a contact roller of the nonwoven winder is moved away from the first winding shaft by means of the respective arrangement.
- the first winding shaft is transported from the magazine to a waiting section of the nonwoven winder. Ie. The process remains very simple and thus also contributes to low costs.
- the step of operating the respective arrangement may comprise rotating the shaft of the respective arrangement of the device in the first direction until the end position is reached. Thereafter, there is an additional step of waiting until the first winding shaft is in a transport position in which the first winding shaft, apart from the waiting section of the nonwoven winder, is arranged to be freely movable past the other nonwoven winder during rotation of the shaft in the second direction. This step only leads to a temporary shutdown of the drive and thus costs nothing.
- the waiting can be realized by means of a sensor which detects reaching a transport position in which the first winding shaft is arranged to be freely movable.
- a time monitoring can be provided, which initiates the next method step after a predetermined time in which the first winding shaft has safely reached the transport position.
- This next method step ie after reaching the transport position, which comprises the aforementioned transporting of the first winding shaft, includes rotating the shaft in the second direction until the first winding shaft has reached the waiting section. The achievement of the waiting section can also be sensed.
- FIG. 1 shows a nonwoven winder 1 according to a first embodiment of the invention.
- the nonwoven winder 1 comprises two frame walls 20, which are aligned on a floor parallel to each other. Both frame walls 20 have at their here right end in each case a projection 8, which may also be formed integrally with the respective frame wall 20.
- the frame walls 20 are assembled into a frame by means of non-designated reinforcing profiles arranged between them and fastened to them.
- control cabinet 10 At the rear side of the rear frame wall 20 there is a control cabinet 10 in which, for example, the control of the nonwoven winder 1 is arranged.
- a drive section 30 is shown which is set up by means of a belt drive to drive a contact roller 9 in rotation so that a winding shaft, not shown here, can be wound with a nonwoven, which is transferred from the contact roller 9 to the same winding shaft.
- each frame wall 20 has an upper edge 21, which is inclined towards the contact roller 9 towards the bottom. Furthermore, two winding shafts 2, 3 are arranged on this edge 21 here. The inclination of the edge 21 of the respective frame wall 20 causes the winding shafts 2, 3 to roll here to the left on the respective edge 21 to roll automatically.
- the edges 21 thus define a respective magazine section 23 of the nonwoven winder 1 for receiving winding shafts 2, 3, of which, for the sake of clarity, only the rear magazine section 23 is provided with reference numerals.
- the drive section 30 comprises a motor 32, which is rotatably connected via a gear 33 and a belt 31 with a pulley 34, via which the contact roller 9 is driven in rotation.
- the nonwoven winder 1 comprises a transport section 100 explained in more detail below, which is set up to bring the left shaft 2 from the position shown here to a waiting position 7, at which a winding shaft 4 is located by way of example.
- winding shaft 4 in the above-mentioned waiting position, in which it is set for winding and winding by means of a friction wheel 26 in rotation and then moved in a known manner in a Anwickelposition in which it rests against the contact roller 9.
- a winding shaft 5 is in Bewicklungsposition, and a winding shaft 6 in Ausschubposition after winding.
- FIG. 2 shows the drive section 30 and the transport section 100 of the nonwoven winder 1 of FIG. 1 in greater detail.
- the transport section 100 comprises a drive element here in the form of a pneumatic cylinder 105.
- the pneumatic cylinder 105 is pivotably received at the right end by means of a pivot bearing 107 on a fastening element 104 along an axis which extends parallel to the axis of rotation of the contact roller 9.
- the fastener 104 itself is attached to the neck 8, but may also be formed by means of the neck 8 itself.
- a piston 106 of the pneumatic cylinder 105 is pivotally mounted via a pivot bearing 108 to a transport element 110, which in turn is rotatably supported by a pivot bearing 109 on the frame wall 20 about a rotation axis.
- the axes of rotation defined by the rotary bearings 108, 109 likewise run parallel to the axis of rotation of the contact roller 9.
- the transport element 110 is shown in a state in which it lies below the aforementioned winding shaft 4, which is in a waiting position 7.
- the waiting position 7 is defined a recess in the frame wall 20 and serves, by means of the in FIG. 1 shown friction wheel 26 here to put the winding shaft 4 in rotation, to then transfer them in the bend shown here between the contact roller 9 and frame wall 20, in which the now rotating winding shaft is able to receive fleece from the contact roller 9.
- the bend thus corresponds to the aforementioned Anwickelposition.
- the waiting position 7 is an intermediate position in the context of the automatic winding process realized by the nonwoven winder 1.
- FIG. 3a shows the transport section 100 of FIG. 2 without drive section 30.
- FIG. 3b shows the transport section 100 in a perspective view.
- the winding shafts 2, 3 each have a groove-like, circumferentially formed recess 2d or 3d, by means of which the respective winding shaft 2, 3 comes to rest on the edge 21 of the respective frame wall 20 and against movement along the axis of rotation or the longitudinal extension of the respective shaft 2, 3 is secured.
- the winding shaft 4 If the winding shaft 4 has left the waiting position, the winding shaft 2 is to be conveyed into the waiting position defined by means of the recess 7. This is realized by means of the transport section 100. It puts FIG. 3 the initial situation as the first operating state of the web unwinder 1, to bring the winding shaft 2 in the waiting position.
- FIG. 4 shows the transport section 100 in a second operating state.
- the transport element 110 is rotated by a specific angle in the clockwise direction.
- an edge 112 of the transport element 110 pointing obliquely up to the left above undercuts the winding shaft 2 to be transported.
- FIG. 5 shows the transport section 100 in a third operating state. Accordingly, the transport element 110 is further pivoted by means of further extension of the piston 106, in such a way that the transport element 110 presses against the right-hand contact roller 3 as an abutment 113 with an edge pointing obliquely upwards therefrom. In this case, the transport element 110 continues to be below the winding shaft 2 without moving it.
- the transport element 110 on its side facing away from the ground on a side toward the edge 112 tapered section. This allows the thus rather narrow edge 112 comes to lie in a corresponding recess 2a here of the winding shaft 2.
- the resulting trapezoidal cross-section of the upper section of the transport element 110 here causes the stop 113 to abut against the recess 3 a of the winding shaft 3 delimiting projections 3 c and beyond the winding shaft 3 can push away from the winding shaft 2.
- the winding shafts 2, 3 no longer abut each other.
- the transport element 110 is thereby further pivoted until the edge 112 at an in FIG. 9 recognizable projection 22 and the frame wall 20 so that it can roll on the other nonwoven winder 1vorbei. Due to the inclination of the edge 112, the winding shaft 2 here rolls to the left in the direction of a projection 111 of the transport element 110.
- the projection 111 thus serves as a movement limit for the winding shaft 2.
- the winding shaft 3 can not move in this direction.
- the piston 106 is retracted after this time back into the pneumatic cylinder 105, so that the transport element 110 now against is rotated clockwise.
- FIG. 10 shows the nonwoven winder 1 of FIG. 1 with a modified transport section 100.
- the drive section 100 including transport element 110 are formed on the here front side of the front frame wall 20 and the rear side of the rear frame wall 20.
- each of the two transport elements 110 can thus be driven by means of a separate drive element here in the form of a respective pneumatic cylinder 105.
- both transport elements 110 are preferably non-rotatably arranged by means of a connecting shaft 101 to each other.
- the connecting shaft 101 is over a respective bearing 102 received freely rotatable in the respective frame wall 20.
- the transport elements 110 are arranged rotationally fixed.
- the connecting shaft 101 is supported so as to be freely rotatable centrally on a bearing 103, which in turn is fastened to the frame or to a connector 25 shown here by means of a fastening element 24.
- the connector 25 is attached to the frame walls 20 by way of example.
- FIG. 11 shows a transport section 100 according to a second embodiment of the invention.
- a stop member 120 is arranged rotationally fixed relative to the respective transport element 110, as shown in FIG. 11a.
- the stop member 120 is fixedly mounted by means of a screw fastening to the transport element 110.
- the stop member 120 has a projection 121 which is formed transversely to the axis of rotation of the stop member 120 of this protruding.
- the projection 121 is arranged so that when rotating the transport element 110 against the in FIG. 11 shown winding shaft 3 is urged and thus moves it away from the winding shaft 2. Ie. the transport element 110 itself does not have to have a stop 113.
- the projection 121 forms a functionally identical stop 122. This makes it possible for the transport element 110 in the region of the edge 112 to have to form a non-tapering.
- the projection 121 seen in the direction of rotation, at the free end, a round outer contour, which allows a gentle abutment against the winding shaft 3. This serves to reduce vibrations on the nonwoven winder 1.
- a connecting shaft 101 may be provided so that the transport portion 100 is also provided in duplicate.
- FIG. 11c shows the transport section 100 in the context of the web unwinder 1 already shown in Figure 1.
- the projection 121 engages in a recess 3b of the winding shaft 3, which differs locally from the groove-like recess 3a. This makes it possible to provide existing nonwoven winder with a transport element without stop 113 with the additional function of pushing away here the winding shaft 3 of the winding shaft 2.
- a drive element 105 offers, for example, a motor-gear arrangement. in order to limit the rotation of the transport element 31, this can be realized over the maximum travel path of the piston 106.
- a sensor system may be provided which detects, for example, when the winding shaft 2 has left the magazine section 23.
- a sensor system may be provided. It can be realized, for example, by means of an optical sensor which can detect the distance, for example, of the left end of the transport element 110 to the ground or of a stationary element of the nonwoven winder 1 with respect to its position with respect to the edge 21 of the frame wall 20. This serves the purpose of recognizing when the winding shaft 2 can roll past the other nonwoven winder 1 and in particular the magazine section 23.
- a timing circuit is preferably provided. This prevents the turning back of the transport element 110 back into the position according to FIG. 3 until the winding shaft 2 safely moves past the other nonwoven winder 1 and thus can be safely brought to the waiting position 7. In this case, a time is set in which the winding shaft 2 is securely rolled in the direction of projection 111 due to gravity.
- the lever-like design transport element 110 may also have a recess in the edge 112 in the region of the left end in the figures, in which the winding shaft 2 to be transported rolls in and is held in position there.
- the invention provides a very simple and inexpensive solution, a winding shaft 2 in a magazine 23 safely and with the least possible effort to transfer to a waiting position 7.
- this can also be designed so that the projection 121, the winding shafts 2 and 3 during pivoting in Direction magazine section 23 can not take, so below the winding shafts 2, 3 is moved past them. If the winding shaft 2 has overcome the magazine section 23 or the projection 22 in the direction of the contact roller 8, and if the transport element 110 is swung back again, a third winding shaft closest to the contact roller 8 rolls against the projection 121, so that they rotate not together with the winding shaft 3 at the same time can collide against the projection 22. As a result, damage to the projection 22 and vibrations on the web winder 1 are reduced, if not avoided.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Eine Vorrichtung (100, 101) weist eine Anordnung (100, 101) auf, eingerichtet, in einen Vlieswickler (1) integriert zu werden, sodass die Vorrichtung (100, 101) eine sich in einem Magazin (23) des Vlieswicklers (1) zu einer Kontaktwalze (9) des Vlieswicklers (1) nächstliegend befindliche, erste Wickelwelle (2) in einer Aufnahmeposition aufnehmen und von dem Magazin (23) zu einem Warteabschnitt (7) des Vlieswicklers (1) transportieren kann. Sie ist ferner gestaltet, vor dem Aufnehmen der ersten Wickelwelle (2) eine sich im Magazin (3) von der Vorrichtung (100, 101) weiter weg befindliche, zu der ersten Wickelwelle (2) benachbart angeordnete, zweite Wickelwelle (3) von der ersten Wickelwelle (2) weg zu bewegen.An apparatus (100, 101) has an arrangement (100, 101) adapted to be integrated into a nonwoven winder (1), so that the apparatus (100, 101) is located in a magazine (23) of the nonwoven winder (1). to a contact roller (9) of the nonwoven winder (1) next lying, receiving first winding shaft (2) in a receiving position and from the magazine (23) to a waiting section (7) of the nonwoven winder (1) can transport. It is further configured, prior to receiving the first winding shaft (2) in the magazine (3) of the device (100, 101) further away, to the first winding shaft (2) arranged adjacent, second winding shaft (3) of the first winding shaft (2) to move away.
Ein Vlieswickler (1) weist ein Magazin (23) auf, gestaltet, Wickelwellen (2, 3) zu lagern. Zudem weist er einen Warteabschnitt (7) auf, gestaltet, eine Wickelwelle (2, 5) in Warteposition (7) aufzunehmen. Schließlich weist er die Vorrichtung (100, 101) auf.A nonwoven winder (1) has a magazine (23) designed to store winding shafts (2, 3). In addition, it has a waiting section (7) designed to receive a winding shaft (2, 5) in the waiting position (7). Finally, it has the device (100, 101).
Ein Verfahren zum Betreiben des Vlieswicklers (1) umfasst einen ersten Schritt des Betreibens der jeweiligen Anordnung (100, 101) der Vorrichtung (100, 101) derart, dass eine sich im Magazin (23) zu einer Kontaktwalze (9) des Vlieswicklers (1) weiter weg befindliche, zur ersten Wickelwelle (2) benachbart angeordnete, zweite Wickelwelle (3) mittels der jeweiligen Anordnung (100, 101) von der ersten Wickelwelle (2) weg bewegt wird. Danach erfolgt ein Transportieren der ersten Wickelwelle (2) von dem Magazin (23) zu einem Warteabschnitt (7) des Vlieswicklers (1).
A method for operating the nonwoven winder (1) comprises a first step of operating the respective arrangement (100, 101) of the device (100, 101) in such a way that a magazine (23) forms a contact roller (9) of the nonwoven winder (1 ) further away, to the first winding shaft (2) arranged adjacent, second winding shaft (3) by means of the respective arrangement (100, 101) of the first winding shaft (2) is moved away. After that, the first winding shaft (2) is transported from the magazine (23) to a waiting section (7) of the nonwoven winder (1).Description
Die Erfindung betrifft eine Transportvorrichtung für einen Vlieswickler, einen damit ausgestatteten Vlieswickler sowie ein Betriebsverfahren für solch einen ausgestatteten Vlieswickler.The invention relates to a transport device for a nonwoven winder, a nonwoven winder equipped therewith and an operating method for such an equipped nonwoven winder.
Vlieswickler an sich sind bekannt. Sie dienen dazu, ein beispielsweise von einer Karde kommendes Vlies auf eine Wickelwelle aufzuwickeln. Dazu werden leere Wickelwellen in einem Magazin des Vlieswicklers eingelegt und nach und nach zunächst in eine Warteposition gebracht. Die Warteposition dient dazu, die Wickelwelle zum einen von den anderen Wickelwellen zu separieren und zum anderen vor dem Beginn des eigentlichen Wickelvorgangs in Rotation zu versetzen.Nonwoven winder are known per se. They serve to wind a fleece coming, for example, from a card on a winding shaft. For this purpose, empty winding shafts are inserted in a magazine of the nonwoven winder and gradually brought into a waiting position. The waiting position serves to separate the winding shaft on the one hand from the other winding shafts and on the other hand to set before the start of the actual winding process in rotation.
Nachteil bei den bekannten Vlieswicklern ist, dass die zu separierende Wickelwelle zunächst von den anderen, sich im Magazin befindlichen Wickelwellen örtlich getrennt werden muss, um sie möglichst reibungsfrei in die Warteposition bringen zu können.A disadvantage of the known nonwoven winder is that the winding shaft to be separated must first be spatially separated from the other, located in the magazine winding shafts in order to bring them as frictionless as possible in the waiting position.
Aufgabe der Erfindung ist es daher, eine verbesserte Vorrichtung für einen Vlieswickler zu schaffen, die in der Lage ist, dafür zu sorgen, dass die in Warteposition zu bringende leere Wickelwelle von den anderen, sich im Magazin des Vlieswicklers befindlichen Wickelwelle örtlich zu trennen.The object of the invention is therefore to provide an improved device for a nonwoven winder, which is able to ensure that to be brought into waiting position empty winding shaft from the other, located in the magazine of the nonwoven winder winding shaft locally.
Diese Aufgabe wird durch den Gegenstand der Ansprüche 1, 11 und 15 gelöst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen angegeben.This object is solved by the subject matter of
Erfindungsgemäß ist eine Vorrichtung vorgesehen, die eine Anordnung aufweist. Diese Anordnung ist eingerichtet, in einen Vlieswickler derart integriert zu werden, dass die Vorrichtung in der Lage ist, eine sich in einem Magazin des Vlieswicklers zu einer Kontaktwalze des Vlieswicklers nächstliegend befindliche, erste Wickelwelle in einer Aufnahmeposition aufzunehmen und von dem Magazin zu einem Warteabschnitt des Vlieswicklers zu transportieren. Diese Vorrichtung ist ferner gestaltet, vor dem Aufnehmen der ersten Wickelwelle eine sich im Magazin von der Vorrichtung weiter weg befindliche, zu der ersten Wickelwelle benachbart angeordnete, zweite Wickelwelle von der ersten Wickelwelle weg zu bewegen. Dies ermöglicht, die erste Wickelwelle ohne Probleme aus dem Magazin weg befördern zu können. Solche Probleme könnten ein erhöhter Kraft- und damit Energieaufwand zum Wegbewegen der einen Wickelwelle sein. Der erhöhte Aufwand kann dabei vom Kontakt und der daraus resultierenden Reibung zwischen der einen Wickelwelle und der benachbarten Wickelwelle und/oder des Anstoßens gegen einen Endanschlag des Magazins herrühren. Es können mithin Antriebe mit geringerem Energiebedarf in die Vorrichtung integriert werden, was die Betriebskosten des Vlieswicklers niedrig halten hilft. Zudem ist die Gefahr von Beschädigungen an der Kontaktfläche insbesondere der das Vlies aufnehmenden Außenumfangsfläche der einen Wickelwelle geringer.According to the invention, a device is provided which has an arrangement. This arrangement is adapted to be integrated into a nonwoven winder such that the apparatus is capable of receiving a first winding shaft next to a contact roll of the nonwoven winder in a magazine of the nonwoven winder in a receiving position and from the magazine to a waiting section of the magazine Fleece wrapper to transport. This device is also designed to move away from the first winding shaft before receiving the first winding shaft in the magazine of the device further away, adjacent to the first winding shaft, the second winding shaft. This makes it possible to move the first winding shaft without problems from the magazine away. Such problems could be an increased force and thus energy expenditure for moving away a winding shaft. The increased effort may result from the contact and the resulting friction between the one winding shaft and the adjacent winding shaft and / or the abutment against an end stop of the magazine. It can therefore drives with lower energy consumption can be integrated into the device, which helps keep the operating costs of the nonwoven winder low. In addition, the risk of damage to the contact surface in particular of the nonwoven receiving outer peripheral surface of a winding shaft is smaller.
Das Aufnehmen der einen Wickelwelle kann realisiert sein, indem die Anordnung eine Welle und einen Hebel aufweist. Die Welle ist gestaltet, an dem Vlieswickler so angeordnet zu werden, dass sie sich im Wesentlichen parallel zu einer sich im Magazin des Vlieswicklers befindlichen Wickelwelle erstreckt. Der Hebel wiederum ist drehfest auf der Welle angeordnet und umfasst eine Auflagefläche. Die Auflagefläche erstreckt sich im Wesentlichen parallel zu einer mittels der Welle definierten Rotationsebene des Hebels. Sie weist ferner derart in eine Richtung vom übrigen Hebel im Wesentlichen parallel zur Rotationsebene und im Wesentlichen senkrecht zu ihrer Erstreckungsrichtung, dass bei einem Rotieren der Welle in eine vorbestimmte, erste Richtung der Hebel bis in eine vorbestimmte Endposition so rotiert wird, dass die Auflagefläche von einem Boden, auf dem Vlieswickler aufgestellt ist, wegweisend gegen die erste Wickelwelle stößt. Die erste Richtung führt also dazu, dass der Hebel die eine Wickelwelle bei Kontakt vom Boden weg vom Magazin abgehoben wird. Das Abheben erfolgt in der Weise, dass in der Endposition dieser Bewegung des Hebels dessen Auflagefläche an jeder Stelle, senkrecht zum Boden gesehen, einen Abstand zum Boden hat, der zumindest gleich einem Abstand einer Ablagekontur des Magazins für die Wickelwellen des Vlieswicklers ist. Die Ablagekontur ist die ebenfalls vom Boden weg weisende Kontur des Magazins. D. h. die Auflagefläche befindet sich an jeder Stelle zumindest in derselben Höhe wie ein sich an der jeweiligen Stelle Abschnitt der Magazin-Kontur. Die eine Wickelwelle ist mithin in ihrer Bewegung auf der Auflagefläche des Hebels nicht durch diese Kontur des Magazins behindert. Ferner ist die Auflagefläche in Richtung einer Kontaktwalze des Vlieswicklers zum Boden hin geneigt. Dadurch ist es der einen Wickelwelle möglich, auf der Auflagefläche an dem Magazin vorbei in Richtung Kontaktwalze zu rollen. Dadurch ist es möglich, mittels einer mittels eines Antriebs einfach zu realisierenden Bewegung dafür zu sorgen, dass die eine Wickelwelle aus dem Bereich des Magazins gelangt.The recording of a winding shaft can be realized by the arrangement comprises a shaft and a lever. The shaft is configured to be disposed on the web unwinder so as to extend substantially parallel to a winding shaft located in the magazine of the web unwinder. The lever in turn is rotatably mounted on the shaft and includes a support surface. The support surface extends substantially parallel to a plane of rotation of the lever defined by the shaft. It also points in a direction from the rest of the lever substantially parallel to the plane of rotation and substantially perpendicular to its extension direction, that upon rotation of the shaft in a predetermined first direction of the lever is rotated to a predetermined end position so that the bearing surface of a ground, is placed on the nonwoven winder, groundbreaking abuts against the first winding shaft. The first direction thus leads to the lever being lifted off the magazine when contacting the winding shaft on contact from the ground. The lifting takes place in such a way that in the end position of this movement of the lever whose bearing surface at each point, perpendicular to the ground, has a distance from the ground, which is at least equal to a distance of a storage contour of the magazine for the winding waves of the nonwoven winder. The storage contour is the contour of the magazine, which also faces away from the floor. Ie. the support surface is located at each point at least at the same height as one at the respective point section of the magazine contour. The one winding shaft is therefore not hindered in its movement on the support surface of the lever by this contour of the magazine. Further, the support surface is inclined in the direction of a contact roller of the nonwoven winder to the ground. As a result, it is possible for the one winding shaft to roll past the bearing surface on the magazine in the direction of the contact roller. This makes it possible to ensure, by means of a movement that can be easily realized by means of a drive, that the one winding shaft comes out of the area of the magazine.
Vorzugsweise weist der Hebel einen Begrenzungsabschnitt auf. Dieser ist gestaltet, nach dem Aufnehmen der ersten Wickelwelle ein Bewegen der ersten Wickelwelle auf der Auflagefläche in Richtung vom Magazin weg zu begrenzen. Es handelt sich mithin um einen Endanschlag. Es sind mithin keine zusätzlichen Maßnahmen erforderlich, die Bewegung der einen Wickelwelle vom Magazin weg zu beeinflussen.Preferably, the lever has a limiting section. This is designed to limit movement of the first winding shaft on the support surface in the direction away from the magazine after picking up the first winding shaft. It is therefore an end stop. There are therefore no additional measures required to influence the movement of a winding shaft away from the magazine.
Der Begrenzungsabschnitt ist vorzugsweise mittels eines Vorsprungs gebildet, der von der Auflagefläche und von der Welle weg hervorstehend ausgebildet ist. Dies ist eine besonders einfach herzustellende Möglichkeit, den Bewegungs-Endanschlag zu realisieren. Alternativ oder zusätzlich kann der Begrenzungsanschlag mittels einer Vertiefung gebildet sein. Diese ist in der Auflagefläche oder an einem dem Magazin abgewandten Ende der Auflagefläche ausgebildet. In der Endposition ist der Begrenzungsabschnitt zwischen der Kontaktwalze und dem Magazin derart angeordnet, dass der Begrenzungsabschnitt bei einem Rotieren der Welle in einer zur ersten Richtung entgegengesetzten, zweiten Richtung in einer Übergabeposition, in der die Auflagefläche vom Boden einen Abstand hat, der im Wesentlichen gleich einem Abstand des Warteabschnitts ist, derart angeordnet ist, dass die eine Wickelwelle bei einem Weiterrotieren der Welle in die zweite Richtung trotz An- bzw. Aufliegens an bzw. in dem Begrenzungsabschnitt sicher in den Warteabschnitt gelangt. D. h. der Begrenzungsabschnitt in Verbindung mit der Auflagefläche sorgen dafür, dass die eine Wickelwelle sicher am Magazin vorbei in die Warteposition bewegt werden kann; andere Vorkehrungen sind nicht erforderlich. Dies hält den Aufbau einfach und kostengünstig. Zudem muss während des gesamten Vorgangs nur der Hebel bewegt werden.The limiting portion is preferably formed by means of a projection, which is formed projecting from the support surface and away from the shaft. This is a particularly easy to manufacture way to realize the movement limit stop. Alternatively or additionally, the limit stop may be formed by means of a depression. This is formed in the support surface or on a side facing away from the magazine end of the support surface. In the end position, the restricting portion between the contact roller and the magazine is arranged such that when the shaft rotates in a second direction opposite to the first direction, the restricting portion is substantially equal in a transfer position in which the support surface is spaced from the ground is a distance of the waiting section, is arranged such that the one winding shaft arrives safely in the waiting section in a further rotatably rotating the shaft in the second direction despite contact or resting on or in the limiting section. Ie. the limiting section in conjunction with the support surface ensure that the one winding shaft can be safely moved past the magazine to the waiting position; other precautions are not required. This keeps the structure simple and inexpensive. In addition, only the lever must be moved during the entire process.
Bei jeder der vorgenannten Vorrichtungen kann das Wegbewegen der zweiten Wickelwelle von der ersten Wickelwelle realisiert sein, indem die Anordnung einen Anschlagrand aufweist, der so ausgebildet ist, dass der Anschlagrand beim Rotieren des ersten Hebels in die erste Richtung vor Erreichen der Aufnahmeposition gegen die zweite Wickelwelle stößt und beim Weiterrotieren des Hebels in Richtung Aufnahmeposition von der ersten Wickelwelle so weg bewegt wird, dass der Anschlagrand dabei die zweite Wickelwelle von der ersten Wickelwelle weg drängt. D. h. das Verschwenken des Hebels reicht aus, die eine Wickelwelle von der benachbarten und damit von allen anderen, sich im Magazin befindlichen Wickelwellen zu separieren. Damit wird der Hebel weiterhin nur in zwei Richtungen (einmal hin und einmal zurück) geschwenkt, was den Betrieb einfach hält. Nur die Form des Hebels ist so gewählt, dass die zusätzliche Separationsfunktion kein zusätzliches Element übernehmen muss. Insgesamt bleiben der Aufbau und der Betrieb sehr einfach und damit kostengünstig.In any of the aforementioned devices, the moving away of the second winding shaft from the first winding shaft can be realized by the arrangement having a stop edge which is formed so that the stop edge when rotating the first lever in the first direction before reaching the receiving position against the second winding shaft when the lever rotates further in the direction of the receiving position, it is moved away from the first winding shaft such that the stop edge urges the second winding shaft away from the first winding shaft. Ie. the panning the lever is sufficient to separate a winding shaft of the adjacent and thus of all other, located in the magazine winding shafts. Thus, the lever is still pivoted in two directions (once and once back), which keeps the operation simple. Only the shape of the lever is chosen so that the additional separation function does not have to take on any additional element. Overall, the structure and operation remain very simple and therefore cost.
Die Auflagefläche kann mittels eines Außenrands oder einer Außenkante des Hebels gebildet sein. Der Hebel muss demnach nicht zwangsläufig aufwendiger hergestellt sondern möglicherweise nur in den Abmessungen etwas verändert werden.The support surface may be formed by means of an outer edge or an outer edge of the lever. Accordingly, the lever does not necessarily have to be made more complex, but may only be slightly changed in terms of dimensions.
Alternativ oder zusätzlich kann auch der Anschlagrand mittels eines Außenrands oder einer Außenkante des Hebels gebildet sein. D. h. der Hebel übernimmt eine Doppelfunktion: das Wegbewegen der zweiten von der ersten Wickelrolle und das darauffolgende Aufnehmen der ersten Wickelrolle, was einen einfachen und kostengünstigen Aufbau ermöglicht.Alternatively or additionally, the stop edge may be formed by means of an outer edge or an outer edge of the lever. Ie. The lever performs a dual function: moving the second of the first winding roll and then picking up the first winding roll, which allows a simple and inexpensive construction.
Dabei können die Auflagefläche und der Anschlagrand aneinander anstoßend ausgebildet sein. D. h. im einfachsten Fall reichen zwei gerade Flächen, wie sie beispielsweise durch Laserschneiden hergestellt werden können, aus, um die Separationsfunktion realisieren zu können.In this case, the support surface and the stop edge may be formed abutting one another. Ie. in the simplest case, two straight surfaces, such as can be produced, for example, by laser cutting, suffice to be able to realize the separation function.
Alternativ oder zusätzlich zu dem am Hebel realisierbaren Anschlagrand kann auch an einem Vorsprung ein Anschlagrand vorgesehen sein. Der Vorsprung ist zu dem Hebel drehfest und um dieselbe Achse wie der Hebel rotierbar angeordnet. Die Anordnung des Vorsprungs ist dementsprechend derart, dass der Vorsprung beim Rotieren des Hebels in Richtung erster Wickelrolle mit seinem Anschlagrand gegen die zweite Wickelrolle in Richtung von der ersten Wickelrolle weg stößt und bei einem Weiterdrehen des Hebels die zweite Wickelrolle von der ersten Wickelrolle weg drängt. Der Vorsprung hat den Vorteil, dass der Hebel nicht auf das Wegdrängen der zweiten Wickelrolle hin umgestaltet werden muss. Dies ermöglicht eine Nachrüstung bestehender Vlieswickler einfach mittels Anmontierens eines Zusatzteils mit dem genannten Vorsprung. Sind sowohl der Vorsprung als auch der Hebel jeweils mit einem Anschlagrand versehen, erhöht sich die Betriebssicherheit. Bricht der Vorsprung beispielsweise ab, kann der Hebel dessen Funktion übernehmen.Alternatively or in addition to the stop edge which can be realized on the lever, a stop edge can also be provided on a projection. The projection is rotationally fixed to the lever and rotatably disposed about the same axis as the lever. The arrangement of the projection is accordingly such that the projection when rotating the lever in the first direction Winding roll abuts with its stop edge against the second winding roll in the direction of the first winding roll away and urges the second winding roll away from the first winding roll in a further rotation of the lever. The projection has the advantage that the lever does not have to be redesigned to push away the second winding roll. This allows retrofitting existing nonwoven winder simply by mounting an additional part with said projection. Are both the projection and the lever each provided with a stop edge, the reliability increases. If the projection breaks off, for example, the lever can take over its function.
Jeder der vorgenannten Vorrichtungen kann zwei der vorgenannten Anordnungen aufweisen. Beide Anordnungen sind dabei eingerichtet, in den Vlieswickler derart integriert zu werden, dass die Vorrichtung in der Lage ist, die erste Wickelwelle an ihren Enden aufzunehmen und zu transportieren sowie die zweite Wickelwelle an ihren Enden von der ersten Wickelwelle weg zu bewegen. Das bedeutet, dass die sich im mittleren Bereich der Wickelwelle üblicherweise befindliche Aufnahmefläche für das Vlies nicht mit der Anordnung in Berührung kommt. Dies hilft, Beschädigungen an diesem für den Wickelprozess wichtigen Bereich der jeweiligen Wickelwelle zu vermeiden.Each of the aforementioned devices may comprise two of the aforementioned arrangements. Both arrangements are adapted to be integrated into the nonwoven winder such that the apparatus is capable of receiving and transporting the first winding shaft at its ends and of moving the second winding shaft away from the first winding shaft at its ends. This means that the collecting surface for the fleece, which is usually located in the middle region of the winding shaft, does not come into contact with the arrangement. This helps to avoid damage to this important for the winding process area of the respective winding shaft.
Ferner ist erfindungsgemäß ein Vlieswickler vorgesehen. Dieser weist ein Magazin auf, das gestaltet ist, Wickelwellen zu lagern. Ferner weist der Vlieswickler einen Warteabschnitt auf, der gestaltet ist, eine Wickelwelle in Warteposition aufzunehmen. Schließlich weist der Vlieswickler eine der vorgenannten Vorrichtungen auf, die mit ihrer bzw. ihren Anordnungen in den Vlieswickler integriert ist, wie vorstehend beschrieben. Der Vlieswickler ist mithin weiter einfach und kostengünstig im Aufbau.Furthermore, a nonwoven winder is provided according to the invention. This has a magazine that is designed to store winding shafts. Further, the nonwoven winder on a waiting section, which is designed to receive a winding shaft in waiting position. Finally, the nonwoven winder has one of the aforementioned devices, which is integrated with its or their arrangements in the nonwoven winder, as described above. The nonwoven winder is therefore further simple and inexpensive in construction.
Der Vlieswickler weist vorzugsweise einen Antriebsmotor auf. Dieser ist eingerichtet die Welle einer der zumindest einen Anordnung der Vorrichtung in die erste und die zweite Richtung zu rotieren. Damit kann der gesamte Vorgang zum Befördern der einen Wickelwelle vom Magazin zum Warteabschnitt automatisiert werden, was die Bedienung vereinfacht und hilft, Fehler beispielsweise bei der Bedienung zu vermeiden. Zudem erlaubt die Automatisierung einen effizienteren und damit kostengünstigeren Betrieb des Vlieswicklers.The nonwoven winder preferably has a drive motor. This is arranged to rotate the shaft of one of the at least one arrangement of the device in the first and the second direction. Thus, the entire process for conveying the one winding shaft from the magazine to the waiting section can be automated, which simplifies the operation and helps to avoid errors, for example in the operation. In addition, the automation allows a more efficient and thus more cost-effective operation of the web unwinder.
Bei beiden vorgenannten Vlieswicklern kann die Vorrichtung, wie vorstehend angegeben, zwei Anordnungen aufweisen. Die Anordnungen sind dementsprechend an zwei einander gegenüberliegenden Seiten eines Gestells des Vlieswicklers angeordnet, verbunden mit den bereits genannten Vorteilen.In both of the aforementioned nonwoven winders, the device may, as stated above, have two arrangements. The arrangements are accordingly arranged on two opposite sides of a frame of the nonwoven winder, associated with the advantages already mentioned.
Vorzugsweise sind die Seiten, an denen die Anordnungen angeordnet sind, Außenseiten des Gestells. D. h. das Gestell übernimmt eine zusätzliche Funktion, nämlich das Aufnehmen der jeweiligen Anordnung, was Kosten niedrig halten hilft.Preferably, the sides on which the arrangements are arranged are outer sides of the frame. Ie. The frame takes on an additional function, namely the picking up of the respective arrangement, which helps to keep costs low.
Schließlich ist erfindungsgemäß ein Verfahren zum Betreiben eines der vorgenannten Vlieswickler vorgesehen. Das Verfahren umfasst einen ersten Schritt eines Betreibens der jeweiligen Anordnung der Vorrichtung derart, dass eine sich im Magazin zu einer Kontaktwalze des Vlieswicklers weiter weg befindliche, zur ersten Wickelwelle benachbart angeordnete, zweite Wickelwelle mittels der jeweiligen Anordnung von der ersten Wickelwelle weg bewegt wird. In einem nachfolgenden, zweiten Schritt erfolgt ein Transportieren der ersten Wickelwelle von dem Magazin zu einem Warteabschnitt des Vlieswicklers. D. h. das Verfahren bleibt sehr einfach und trägt damit ebenfalls zu geringen Kosten bei.Finally, a method for operating one of the aforementioned nonwoven winder is provided according to the invention. The method comprises a first step of operating the respective arrangement of the device in such a way that a second winding shaft arranged further away from the first winding shaft in the magazine to a contact roller of the nonwoven winder is moved away from the first winding shaft by means of the respective arrangement. In a subsequent, second step, the first winding shaft is transported from the magazine to a waiting section of the nonwoven winder. Ie. The process remains very simple and thus also contributes to low costs.
Ist die jeweilige Anordnung mit einer Welle ausgestattet, kann der Schritt des Betreibens der jeweiligen Anordnung ein Rotieren der Welle der jeweiligen Anordnung der Vorrichtung in die erste Richtung, bis die Endposition erreicht ist, umfassen. Danach gibt es einen zusätzlichen Schritt des Wartens, bis sich die erste Wickelwelle in einer Transportposition befindet, in der beim Rotieren der Welle in die zweite Richtung die erste Wickelwelle, abgesehen vom Warteabschnitt des Vlieswicklers, an dem sonstigen Vlieswickler frei vorbei bewegbar angeordnet ist. Dieser Schritt führt lediglich zu einem temporären Abschalten des Antriebs und kostet mithin nichts. Das Warten kann mittels einer Sensorik realisiert werden, die das Erreichen einer Transportposition, in der die erste Wickelwelle frei bewegbar angeordnet ist, detektiert. Alternativ oder zusätzlich ist eine Zeitüberwachung vorsehbar, die nach Ablauf einer vorbestimmten Zeit, in der die erste Wickelwelle sicher die Transportposition erreicht hat, den nächsten Verfahrensschritt einleitet. Dieser nächste Verfahrensschritt, also nach Erreichen der Transportposition, der das vorgenannte Transportieren der ersten Wickelwelle umfasst, schließt ein Rotieren der Welle in die zweite Richtung ein, bis die erste Wickelwelle den Warteabschnitt erreicht hat. Auch das Erreichen des Warteabschnitts kann sensorisch erfasst werden.If the respective arrangement is provided with a shaft, the step of operating the respective arrangement may comprise rotating the shaft of the respective arrangement of the device in the first direction until the end position is reached. Thereafter, there is an additional step of waiting until the first winding shaft is in a transport position in which the first winding shaft, apart from the waiting section of the nonwoven winder, is arranged to be freely movable past the other nonwoven winder during rotation of the shaft in the second direction. This step only leads to a temporary shutdown of the drive and thus costs nothing. The waiting can be realized by means of a sensor which detects reaching a transport position in which the first winding shaft is arranged to be freely movable. Alternatively or additionally, a time monitoring can be provided, which initiates the next method step after a predetermined time in which the first winding shaft has safely reached the transport position. This next method step, ie after reaching the transport position, which comprises the aforementioned transporting of the first winding shaft, includes rotating the shaft in the second direction until the first winding shaft has reached the waiting section. The achievement of the waiting section can also be sensed.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsformen. Es zeigen:
Figur 1- einen Vlieswickler mit einem Transportabschnitt gemäß einer ersten Ausführungsform der Erfindung,
Figur 2- den Antriebs- und Transportabschnitt des
Vlieswicklers von Figur 1 im Ausschnitt, Figur 3- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem ersten Betriebszustand und in zwei Ansichten, Figur 4- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem zweiten Betriebszustand, Figur 5- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem dritten Betriebszustand, Figur 6- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem vierten Betriebszustand und in zwei Ansichten, Figur 7- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem fünften Betriebszustand, Figur 8- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem sechsten Betriebszustand, Figur 9- den Transportabschnitt des
Vlieswicklers von Figur 1 in einem siebten Betriebszustand, Figur 10- den
Vlieswickler von Figur 1 mit einem abgewandelten Transportabschnitt und - Figur 11
- einen Transportabschnitt gemäß einer zweiten Ausführungsform der Erfindung in verschiedenen Ansichten.
- FIG. 1
- a nonwoven winder with a transport section according to a first embodiment of the invention,
- FIG. 2
- the drive and transport section of the nonwoven winder of
FIG. 1 in the neckline, - FIG. 3
- the transport section of the nonwoven winder of
FIG. 1 in a first operating state and in two views, - FIG. 4
- the transport section of the nonwoven winder of
FIG. 1 in a second operating state, - FIG. 5
- the transport section of the nonwoven winder of
FIG. 1 in a third operating state, - FIG. 6
- the transport section of the nonwoven winder of
FIG. 1 in a fourth operating state and in two views, - FIG. 7
- the transport section of the nonwoven winder of
FIG. 1 in a fifth operating state, - FIG. 8
- the transport section of the nonwoven winder of
FIG. 1 in a sixth operating state, - FIG. 9
- the transport section of the nonwoven winder of
FIG. 1 in a seventh operating state, - FIG. 10
- the nonwoven winder from
FIG. 1 with a modified transport section and - FIG. 11
- a transport section according to a second embodiment of the invention in various views.
Der Vlieswickler 1 umfasst zwei Gestellwände 20, die auf einem Boden stehend parallel zueinander ausgerichtet sind. Beide Gestellwände 20 weisen an ihrem hier jeweils rechten Ende einen Ansatz 8 auf, der aber auch einstückig mit der jeweiligen Gestellwand 20 ausgebildet sein kann.The
Die Gestellwände 20 sind mittels nicht bezeichneter, zwischen ihnen angeordneter und an ihnen befestigter Verstärkungsprofile zu einem Gestell zusammengebaut.The
An der hier Rückseite der hinteren Gestellwand 20 befindet sich ein Schaltschrank 10, in dem beispielsweise die Steuerung des Vlieswicklers 1 angeordnet ist.At the rear side of the
Ferner ist ein Antriebsabschnitt 30 dargestellt, der mittels eines Riemenantriebs eingerichtet ist, eine Kontaktwalze 9 rotierend anzutreiben, sodass eine daran anliegende, hier nicht dargestellte Wickelwelle mit einem Vlies bewickelt werden kann, das von der Kontaktwalze 9 auf ebenjene Wickelwelle übertragen wird.Furthermore, a
In einem hier rechten Bereich weist jede Gestellwand 20 einen oberen Rand 21 auf, der in Richtung Kontaktwalze 9 zum Boden hin geneigt ausgebildet ist. Ferner sind auf diesem Rand 21 hier zwei Wickelwellen 2, 3 angeordnet. Die Neigung des Rands 21 der jeweiligen Gestellwand 20 führt dazu, dass die Wickelwellen 2, 3 hier nach links auf dem jeweiligen Rand 21 geführt selbsttätig rollen. Die Ränder 21 definieren somit einen jeweiligen Magazinabschnitt 23 des Vlieswicklers 1 zur Aufnahme von Wickelwellen 2, 3, von denen der Übersichtlichkeit wegen nur der hintere Magazinabschnitt 23 mit Bezugszeichen versehen ist.In a right-hand region, each
Der Antriebsabschnitt 30 umfasst einen Motor 32, der über ein Getriebe 33 und einen Riemen 31 mit einer Riemenscheibe 34 drehverbunden ist, über die die Kontaktwalze 9 rotierend angetrieben wird. Ferner umfasst der Vlieswickler 1 einen später näher erläuterten Transportabschnitt 100, der eingerichtet ist, die hier linke Welle 2 von der hier gezeigten Position zu einer Warteposition 7 zu bringen, an der sich exemplarisch eine Wickelwelle 4 befindet.The
Exemplarisch befindet sich eine Wickelwelle 4 in der vorbeschriebenen Warteposition, in der sie zum An- und Bewickeln mittels eines Reibrads 26 in Rotation versetzt und danach in bekannter Weise in eine Anwickelposition bewegt wird, in der sie an der Kontaktwalze 9 anliegt.By way of example, there is a winding
Eine Wickelwelle 5 befindet sich in Bewicklungsposition, und eine Wickelwelle 6 in Ausschubposition nach dem Bewickeln.A winding
Auf die Beschreibung der anderen, hier gezeigten Elemente des Vlieswicklers 1 wird verzichtet, da sie für die Erfindung nicht wesentlich sind.The description of the other elements of the
Der Transportabschnitt 100 umfasst ein Antriebselement hier in Form eine Pneumatikzylinders 105. Der Pneumatikzylinder 105 ist am rechten Ende mittels eines Drehlagers 107 an einem Befestigungselement 104 entlang einer Achse drehgelenkig aufgenommen, die sich parallel zur Rotationsachse der Kontaktwalze 9 erstreckt.The
Das Befestigungselement 104 selbst ist an dem Ansatz 8 befestigt, kann aber auch mittels des Ansatzes 8 selbst gebildet sein.The
Ein Kolben 106 des Pneumatikzylinders 105 ist über ein Drehlager 108 an einem Transportelement 110 drehgelenkig angebracht, das seinerseits mittels eines Drehlagers 109 an der Gestellwand 20 um eine Rotationsachse drehbar gelagert ist. Die durch die Drehlager 108, 109 definierten Rotationsachsen verlaufen ebenfalls parallel zur Rotationsachse der Kontaktwalze 9.A
Das Transportelement 110 ist in einem Zustand dargestellt, in dem es unterhalb der vorgenannten Wickelwelle 4 liegt, die sich in einer Warteposition 7 befindet. Die Warteposition 7 ist einer Ausnehmung in der Gestellwand 20 definiert und dient dazu, mittels des in
D. h. die Warteposition 7 ist eine Zwischenposition im Rahmen des automatischen Wickelvorgangs, den der Vlieswickler 1 realisiert.Ie. the waiting
Wie zu erkennen, weisen die Wickelwellen 2, 3 jeweils eine nutenartige, umlaufend ausgebildete Ausnehmung 2d bzw. 3d auf, mittels denen die jeweilige Wickelwelle 2, 3 auf dem Rand 21 der jeweiligen Gestellwand 20 zu liegen kommt und gegen ein Bewegen entlang der Rotationsachse bzw. der Längserstreckung der jeweiligen Welle 2, 3 gesichert ist.As can be seen, the winding
Hat die die Wickelwelle 4 die Warteposition verlassen, ist die Wickelwelle 2 in die mittels der Ausnehmung 7 definierte Warteposition zu befördern. Dies wird mittels des Transportabschnitts 100 realisiert. Dabei stellt
Beim weitergehenden Verdrehen des Transportelements 110 mittels weiteren Herausfahrens des Kolbens 106 aus dem Pneumatikzylinder 105 heraus wird, wie in
Wie in
Wird der Kolben 106, wie in
Das Transportelement 110 wird dabei weiter verschwenkt, bis der Rand 112 an einem in
Aufgrund des Anschlags 113 kann sich die Wickelwelle 3 nicht in diese Richtung bewegen.Due to the
Beispielsweise mittels einer Zeitschaltung, die so geschaltet ist, dass die durch sie eingestellte Zeit ausreicht, dass die Wickelwelle 2 den Vorsprung 22 sicher überwunden hat, wird der Kolben 106 nach Ablauf dieser Zeit wieder in den Pneumatikzylinder 105 eingefahren, sodass das Transportelement 110 nunmehr entgegen dem Uhrzeigersinn rotiert wird.For example, by means of a timer, which is switched so that the time set by them sufficient that the winding
Dieser Zustand des Einleitens der entgegengesetzten Drehbewegung des Transportelements 110 ist in
Das Zurückschwenken des Transportelements 110 erfolgt in die in
Damit ist der Vorgang des Bewegens der Wickelwelle 2 in die Warteposition beendet.Thus, the process of moving the winding
Aufgrund der Neigung des Rands 21 der Gestellwand 20 und der Tatsache, dass der Anschlag 113 des Transportelements 110 von der Wickelwelle 3 weg bewegt wird, rollt die Wickelwelle 3 an die Stelle, an der sich vorher die Wickelwelle 2 im Wickelwellenmagazin 23 befunden hat, liegt also am Ende der Bewegung am Vorsprung 22 an.Due to the inclination of the
Wie zu erkennen, sind der Antriebsabschnitt 100 inklusive Transportelement 110 an der hier vorderen Seite der vorderen Gestellwand 20 und der Rückseite der hinteren Gestellwand 20 ausgebildet. Dabei kann somit jedes der zwei Transportelemente 110 mittels eines eigenen Antriebselements hier in Form eines jeweiligen Pneumatikzylinders 105 angetrieben sein. Um den Ausfall eines Antriebselements 105 auszugleichen, sind beide Transportelemente 110 vorzugsweise mittels einer Verbindungswelle 101 drehfest zueinander angeordnet. Die Verbindungswelle 101 ist dabei über ein jeweiliges Lager 102 in der jeweiligen Gestellwand 20 freie rotierbar aufgenommen. An ihren Enden sind die Transportelemente 110 drehfest angeordnet.As can be seen, the
Die Verbindungswelle 101 ist beispielhaft mittig an einem Lager 103 frei rotierbar abgestützt, das seinerseits mittels eines Befestigungselements 24 am Gestell bzw. an einem hier dargestellten Verbinder 25 befestigt ist. Der Verbinder 25 ist exemplarisch an den Gestellwänden 20 befestigt.By way of example, the connecting
Diese unterscheidet sich von der ersten Ausführungsform darin, dass zusätzlich zu dem eigentlichen Transportelement 110 ein Anschlagteil 120 drehfest zu dem jeweiligen Transportelement 110 angeordnet ist, wie in Figur 11a gezeigt. Vorzugsweise ist das Anschlagteil 120 vermittels einer Schraubbefestigung an dem Transportelement 110 ortsfest angebracht.This differs from the first embodiment in that, in addition to the
Das Anschlagteil 120 weist einen Vorsprung 121 auf, der sich quer zur Rotationsachse des Anschlagteils 120 von diesem hervorstehend ausgebildet ist.The
Der Vorsprung 121 ist dabei so angeordnet, dass er beim Rotieren des Transportelements 110 gegen die in
Ferner weist der Vorsprung 121 am freien Ende, in Rotationsrichtung gesehen, eine runde Außenkontur auf, die ein sanftes Anstoßen gegen die Wickelwelle 3 ermöglicht. Dies dient der Reduzierung von Vibrationen am Vlieswickler 1.Furthermore, the
Auch hier kann, wie in
Die Erfindung ist nicht auf die vorstehend angegebenen Ausführungsformen beschränkt.The invention is not limited to the embodiments given above.
Als Antriebselement 105 bietet sich beispielsweise eine Motor-Getriebeanordnung an.
um die Rotation des Transportelements 31 zu begrenzen, kann dies über den maximalen Fahrweg des Kolbens 106 realisiert sein. Alternativ oder zusätzlich kann eine Sensorik vorgesehen sein, die beispielsweise detektiert, wenn die Wickelwelle 2 den Magazin Abschnitt 23 verlassen hat.As a
in order to limit the rotation of the
Um die Position des Transportelements 110 in Bezug auf den Magazinabschnitt zu erfassen, kann eine Sensorik vorgesehen sein. Sie kann beispielsweise mittels eines optischen Sensors realisiert sein, der den Abstand beispielsweise des in den Figuren linken Endes des Transportelements 110 zum Boden oder einem ortsfesten Element des Vlieswicklers 1 in Bezug auf seine Position in Bezug auf den Rand 21 der Gestellwand 20 detektieren kann. Dies dient dem Zweck zu erkennen, wann die Wickelwelle 2 am sonstigen Vlieswickler 1 und insbesondere am Magazinabschnitt 23 vorbeirollen kann.In order to detect the position of the
Hat das jeweilige Transportelement 110 die in den Figuren höchste Position erreicht, ist vorzugsweise eine Zeitschaltung vorgesehen. Diese verhindert das Zurückdrehen des Transportelements 110 zurück in die Position gemäß
Anstelle oder zusätzlich zum Vorsprung 111 kann das hebelartig ausgebildete Transportelement 110 im Bereich des in den Figuren linken Endes auch eine Vertiefung im Rand 112 aufweisen, in den die zu transportierende Wickelwelle 2 hineinrollt und dort in Position gehalten wird.Instead of or in addition to the
Im Ergebnis schafft die Erfindung eine sehr einfach aufgebaute und preiswerte Lösung, eine Wickelwelle 2 in einem Magazin 23 sicher und mit möglichst geringem Kraftaufwand in eine Warteposition 7 zu überführen.As a result, the invention provides a very simple and inexpensive solution, a winding
Ist das Anschlagteil 120 vorhanden, kann dieses auch so ausgebildet sein, dass deren Vorsprung 121 die Wickelwellen 2 und 3 beim Schwenken in Richtung Magazinabschnitt 23 nicht ergreifen kann, also unterhalb der Wickelwellen 2, 3 an diesen vorbei bewegt wird. Hat die Wickelwelle 2 den Magazinabschnitt 23 bzw. den Vorsprung 22 in Richtung Kontaktwalze 8 überwunden, und wird der das Transportelement 110 wieder zurückgeschwenkt, rollt eine dritte, der Wickelwelle 3 in Richtung von der Kontaktwalze 8 weg nächstliegende Wickelwelle gegen den Vorsprung 121, sodass sie nicht zusammen mit der Wickelwelle 3 quasi zeitgleich gegen den Vorsprung 22 stoßen kann. Dadurch werden Beschädigungen am Vorsprung 22 und Vibrationen am Vlieswickler 1 verringert, wenn nicht gar vermieden.If the
- 11
- VlieswicklerFleece roller
- 2, 32, 3
- Wickelwellewinding shaft
- 2a, 3a2a, 3a
- Aufnahmenutreceiving groove
- 3b3b
- Ausnehmungrecess
- 2c, 3c2c, 3c
- Vorsprunghead Start
- 2d, 3d2d, 3d
- Ausnehmungrecess
- 4 - 64 - 6
- Wickelwellewinding shaft
- 77
- Wartepositionwaiting position
- 88th
- Ansatzapproach
- 99
- Kontaktwalzecontact roller
- 1010
- Schaltschrankswitch cabinet
- 2020
- Gestellwandframe wall
- 2121
- Randedge
- 2222
- Vorsprunghead Start
- 2323
- MagazinabschnittMagazine section
- 2424
- Lagercamp
- 2525
- VerbinderInterconnects
- 2626
- Reibradfriction wheel
- 3030
- Antriebsabschnittdriving section
- 3131
- Riemenbelt
- 3232
- Motorengine
- 3333
- Getriebetransmission
- 34, 3534, 35
- Riemenscheibepulley
- 100100
- Transportabschnitttransport section
- 101101
- Verbindungswelleconnecting shaft
- 102102
- Lagercamp
- 103103
- Drehlagerpivot bearing
- 104104
- Befestigungselementfastener
- 105105
- Antriebselementdriving element
- 106106
- Kolbenpiston
- 107 - 109107-109
- Drehlagerpivot bearing
- 110110
- Transportelementtransport element
- 111111
- Vorsprunghead Start
- 112112
- Randedge
- 113113
- Anschlagattack
- 120120
- Anschlagteilstop part
- 121121
- Vorsprunghead Start
- 122122
- Anschlagattack
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017111335.5A DE102017111335B4 (en) | 2017-05-24 | 2017-05-24 | Device for transporting a winding roller in a fleece winder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3409817A1 true EP3409817A1 (en) | 2018-12-05 |
EP3409817B1 EP3409817B1 (en) | 2021-12-15 |
Family
ID=62165353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18171160.7A Active EP3409817B1 (en) | 2017-05-24 | 2018-05-08 | Device for transporting a core in a lap-winding device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3409817B1 (en) |
CN (1) | CN108946248B (en) |
DE (1) | DE102017111335B4 (en) |
PL (1) | PL3409817T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111847038A (en) * | 2020-08-19 | 2020-10-30 | 广东工业大学 | Automatic net rolling machine for hook net |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586253A (en) * | 1969-02-06 | 1971-06-22 | Beloit Corp | Reel loader for paper machines or the like |
EP0244059A2 (en) * | 1986-02-27 | 1987-11-04 | A. Ahlstrom Corporation | Apparatus for transferring reel drums to the winder of a paper or a board manufacturing machine |
US4744720A (en) * | 1986-06-13 | 1988-05-17 | Valmet-Dominion Inc. | Reel bar loading device |
WO2007096918A1 (en) * | 2006-02-27 | 2007-08-30 | A. Celli Nonwovens S.P.A. | Machine for the production of reels with a cutting system set upstream of the winding member |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203382277U (en) | 2013-07-12 | 2014-01-08 | 美卓造纸机械公司 | Winding device for winding fiber web |
-
2017
- 2017-05-24 DE DE102017111335.5A patent/DE102017111335B4/en active Active
-
2018
- 2018-05-08 PL PL18171160.7T patent/PL3409817T3/en unknown
- 2018-05-08 EP EP18171160.7A patent/EP3409817B1/en active Active
- 2018-05-21 CN CN201810490395.6A patent/CN108946248B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3586253A (en) * | 1969-02-06 | 1971-06-22 | Beloit Corp | Reel loader for paper machines or the like |
EP0244059A2 (en) * | 1986-02-27 | 1987-11-04 | A. Ahlstrom Corporation | Apparatus for transferring reel drums to the winder of a paper or a board manufacturing machine |
US4744720A (en) * | 1986-06-13 | 1988-05-17 | Valmet-Dominion Inc. | Reel bar loading device |
WO2007096918A1 (en) * | 2006-02-27 | 2007-08-30 | A. Celli Nonwovens S.P.A. | Machine for the production of reels with a cutting system set upstream of the winding member |
Also Published As
Publication number | Publication date |
---|---|
EP3409817B1 (en) | 2021-12-15 |
PL3409817T3 (en) | 2022-08-22 |
DE102017111335B4 (en) | 2021-08-12 |
CN108946248B (en) | 2021-02-26 |
CN108946248A (en) | 2018-12-07 |
DE102017111335A1 (en) | 2018-11-29 |
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