EP3406770A1 - Dispositif de coupe pour un bobineur de non-tissé - Google Patents

Dispositif de coupe pour un bobineur de non-tissé Download PDF

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Publication number
EP3406770A1
EP3406770A1 EP18171427.0A EP18171427A EP3406770A1 EP 3406770 A1 EP3406770 A1 EP 3406770A1 EP 18171427 A EP18171427 A EP 18171427A EP 3406770 A1 EP3406770 A1 EP 3406770A1
Authority
EP
European Patent Office
Prior art keywords
nonwoven
section
sensor
separating
winding shaft
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
Application number
EP18171427.0A
Other languages
German (de)
English (en)
Other versions
EP3406770B1 (fr
Inventor
Krzysztof Barlog
Tobias Zanke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Truetzschler Group SE
Original Assignee
Truetzschler GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3406770A1 publication Critical patent/EP3406770A1/fr
Application granted granted Critical
Publication of EP3406770B1 publication Critical patent/EP3406770B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/265—Cutting-off the web running to the wound web roll using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • B26D1/085—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/42—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/42—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
    • B26D1/425—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/02—Means for moving the cutting member into its operative position for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/12—Fluid-pressure means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/14—Crank and pin means
    • 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
    • B65H18/14—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
    • B65H19/2238—The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253—The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • B65H19/2261—Pope-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
    • B65H19/26—Cutting-off the web running to the wound web roll
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/02—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials transversely
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B65H2301/5153—Details of cutting means
    • B65H2301/51532—Blade cutter, e.g. single blade cutter
    • 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
    • B65H2555/00—Actuating means
    • B65H2555/10—Actuating means linear
    • B65H2555/11—Actuating means linear pneumatic, e.g. inflatable elements
    • 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
    • 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
    • B65H2701/19—Specific article or web

Definitions

  • the invention relates to a device for a nonwoven winder, which is able to separate a nonwoven when changing the winding shaft to be wound.
  • the invention further relates to a nonwoven winder equipped with such a device and a method therefor.
  • Nonwoven winder are known per se. They serve to wind a fleece, for example coming out of a carding machine, onto a winding shaft.
  • empty winding shafts are automatically wound in succession. This is done by passing incoming nonwoven material around a rotating contact roll.
  • An empty winding shaft which is provided with an adhesive surface and rotates in the direction opposite to the contact roller, is placed against the contact roller and, due to the adhesion effect, takes over the nonwoven from the contact roller. If this winding shaft is full, a new, empty winding shaft is applied to the contact roller. At the moment, the still wound on the previous winding shaft fleece in the contact roller is separated. Thus, the web can be removed due to the adhesion effect with the free end of the empty winding shaft of the contact roller.
  • the cutting blade In order to separate the nonwoven, it is known to guide a rotating cutting blade along the axis of rotation of the contact roller along the nonwoven.
  • the axis of rotation of the cutting blade extends substantially perpendicular to the axis of rotation of the contact roller.
  • the cutting blade is housed in a frame which is arranged rotatable about the same axis as the contact roller. This frame is moved due to the subsequent, empty winding shaft in a single, coincident with the direction of rotation of the contact roller rotational direction.
  • the disadvantage is that the position the cutting blade is difficult to detect sensory.
  • the known electrically acting displacement sensors have the disadvantage that very expensive the required electrical lines must be performed from the outside to the respective displacement sensor. Contactless transmitting sensors are possible only by battery solution, which deteriorates the handling due to the necessary battery or battery change.
  • the object of the invention is to counteract these disadvantages.
  • a device which is designed to be integrated into a nonwoven winder so that the nonwoven winder is able to separate a nonwoven at a predetermined position during winding onto a first winding shaft by means of a separating section of the device.
  • the separating section comprises a cutting section.
  • the cutting section extends at least over a width of the fleece to be separated and is stationary with respect to a rotational axis of the contact roller or arranged to oscillate drivable by means of a drive of the cutting section.
  • the device has a holding section. This is arranged rotatable about an axis which coincides with the axis of rotation of the contact roller.
  • the device further comprises an actuating portion.
  • the operating portion is further configured to move the cutting portion between the first and a second state. In the second state, the cutting portion is so against a contact roller facing side of the nonwoven fabric, that the nonwoven is separated by means of the cutting section.
  • the device has a sensor. This is arranged to detect the presence of at least one of the states of the separation section. Due to the movement of the cutting device transversely to the axis of rotation of the contact roller can be dispensed with moving along the rotation axis, which makes a drive construction in this direction obsolete.
  • the movement transverse to the axis of rotation may involve a rotational movement and is also possible with pneumatic means due to the possible location stability along the axis of rotation.
  • the introduction of the drive medium (such as air) in a rotating part as the device according to the invention is possible by means of pneumatic connections to a non-rotating part of the web unwinder and transfer by means of pneumatic line structures cost.
  • the sensors can also be designed pneumatically, which also electrical leads can be omitted here. Last but not least, this increases operational safety due to the lack of danger of a short circuit.
  • the sensor has at least one sensor. This is arranged to be coupled via a connecting portion of the device with a control circuit of the nonwoven winder.
  • the connecting portion comprises a pivot bearing and a fixed bearing.
  • the fixed bearing in turn has a connection.
  • the connection is accessible from the outside with respect to the nonwoven winder to connect a first sensor line, and has an internal sensor line.
  • the pivot bearing is arranged stationary in relation to the holding section and designed to be rotatable in relation to the nonwoven winder arranged to be arranged. It also has a second sensor line. This is designed to be data transmitting at one end in each rotational position with the first sensor line and to be coupled to the sensor data transmitting at the other end. This is a secure data transfer between the rotating sensor and a controller, for example, the nonwoven winder realized, which serves the reliability.
  • the at least one sensor is preferably formed by means of an electronically and / or pneumatically acting sensor.
  • the sensor lines are accordingly electronic and / or pneumatic type.
  • An electronic sensor has the advantage of being able to pass signals unchanged to the controller.
  • For transmission to the non-rotating controller corresponding cable transmission components are known.
  • a pneumatic sensor has the advantage that instead of an electronic pneumatic signal transmission takes place. This is easily realized by means of pneumatically interconnected cavities on the rotary and fixed bearings. At the fixed bearing of the cavity, for example, circumferentially formed and is thus in each rotational position of the pivot bearing with the signal-transmitting cavity in combination.
  • the at least one sensor and the separating section may be arranged such that in the first or second state the separating section actuates the at least one sensor and in the second or first state an actuation of the at least one sensor by means of the separating section is avoided.
  • the sensor therefore detects only one of only two existing states in a purely technical manner. This simplifies the evaluation logic and ensures fewer errors, which benefits operational safety.
  • the at least one sensor and the separating section can be designed and arranged such that the actuation takes place without contact and / or mechanically.
  • the non-contact operation has the advantage of freedom from friction and thus wear independence.
  • the mechanical Operation allows the integration of very low-cost sensors, for example in the form of spring-loaded buttons. In both cases, existing moving parts can be integrated, which helps keep costs down.
  • Each of the aforementioned sensor systems preferably has a separate sensor for each drive element and / or the separation section. This has the advantage, on the one hand to be able to check the position of the separating section, and on the other hand its activation state. This increases the operational safety.
  • the separating section can be arranged rotatable or withdrawable in each of the aforementioned variants in the holding section.
  • the operating portion is accordingly configured to rotate the separating portion back and forth between the first and second states. These are particularly easy to implement movements to initiate the fleece separation.
  • the actuating portion may comprise an electric motor and / or a pneumatic cylinder.
  • the electric motor allows a particularly simple signal coupling
  • the pneumatic cylinder allows a particularly simple to be realized, pneumatic control line.
  • a nonwoven winder comprises one of the aforementioned devices. He is also adapted to wind on the first winding shaft a nonwoven by the nonwoven winder further comprises a contact roller and a pressure element.
  • the contact roller is rotatably driven.
  • the pressure element is adapted to press the first winding shaft against the contact roller and thereby guided the wound web around a partial circumference of the contact roller due to the friction between the contact roller and caused on the first winding shaft rotation on the first Wind up winding shaft.
  • the nonwoven winder is set up to separate the web and monitor the position of the cutting section by means of the device. The monitoring of the position of the cutting section has the advantage of always being in a defined state, which benefits operational safety.
  • the nonwoven winder preferably further comprises a conveying section. This is arranged, after separating the nonwoven a thus formed part fleece, which, as seen in the transport direction, before the separating section, to convey in the direction of a second winding shaft when it is detected by means of the sensor that the separating section is in the second state. This makes it possible to safely transfer the transfer of the separated, to be wound on the second winding shaft fleece on this winding shaft. In addition, it is ensured that the separating section occupies the separation position that is dangerous for users only at this particular changeover time.
  • a method of operating such a nonwoven winder comprises a step of winding an incoming nonwoven around the first winding shaft, a step of detecting the presence of a separation state in which the nonwoven is to be separated, and, in the presence of the separation state, a step of separating of the fleece. Finally, the method includes a step of detecting when the separation section is in the second state. If it is detected that the second state is present, ie at or immediately after separation of the nonwoven, the method comprises a step of conveying the partial nonwoven in the direction of a second winding shaft.
  • the device in this method, have an electronic or pneumatic sensor.
  • the method includes, at or immediately after conveying the sub-web, a step of moving the separating section to the first state.
  • the method comprises a step of moving the separating section away from the second winding shaft. This ensures that the danger to users is kept to a minimum over time. It also ensures that the second winding shaft can not be damaged by the separating section.
  • Each of the aforementioned methods may further comprise a step of detecting the presence of an activation state in which the device is to be activated.
  • the method provides a step of rotating the holding section into a separating position, such that the nonwoven is guided around a surface of the holding section facing away from the contact roller.
  • the method provides a step of rotating the holding section out of the separating position such that the web is freely movable past the holding section. This facilitates the transfer of the fleece by means of the second winding shaft.
  • FIG. 1 shows a nonwoven winder 1 according to an embodiment of the invention.
  • the components which are immaterial to the invention are not explained further.
  • the nonwoven winder 1 essentially comprises two frame walls 7, which are combined via non-designated connectors to form a frame which receives or holds all other functional elements of the nonwoven winder 1.
  • the frame walls 7 have in a right-hand area a magazine 2, in which two winding shafts 13, 14 are located by way of example here.
  • the nonwoven winder 1 comprises on each frame wall 7 a recess which defines a waiting position 3 for a winding shaft 15.
  • the winding shaft 15 on both sides of a respective frame wall. 7 is held, thus a waiting position 3 is realized by means of the two frame walls 7.
  • the frame walls 7 thus form a holding section for the winding shaft 15 to be wound by means of the waiting position 3.
  • the winding shaft 15 arranged therein is set in rotation by means of a clamping section 12.
  • the Andrehabites 12 contacts the area of the winding shaft 15, which serves to receive fleece. Ie. not the entire winding shaft 15 is set in rotation, but only their here centrally arranged portion which thus forms a winding portion and the circumference of the actual winding surface.
  • a transport section 9 is provided.
  • the nonwoven winder 1 has a Anwickelposition 4, which is located in a bending region, as seen along the axis of rotation of the contact roller 8, between the frame wall 7 and contact roller 8.
  • the contact roller 8 leads in a known manner, the incoming fleece zoom to be wound on the winding shaft.
  • a separating portion 100 is provided which includes a cutting section not further described here.
  • the nonwoven winder 1 has a winding position 5, which by means of a section arranged here on the left between frame wall 7 and contact roller 8 is realized.
  • the corresponding winding shaft here: 16
  • the corresponding winding shaft here: 16
  • a locking and moving portion 10 is used.
  • the web After winding here the winding shaft 16, the web is separated by means of the separating section 100, and the wound winding shaft 16 is moved by means of a winding and Ausschubabitess 11 in a Ausschubposition 6 of the web unwinder 1 (shown by the winding shaft 17).
  • FIG. 2 shows the nonwoven winder 1 in the context of the separating section 100 in greater detail and in two views.
  • the nonwoven winder 1 shows the separating section 100 and the two frame walls 7 provided for the take-up shafts, not shown for the receptacle.
  • the separating section 100 comprises a housing section 140, which receives all the components necessary for separating the nonwoven. At both ends, the housing section 140 is closed by means of a respective pivoting part 130.
  • Each of the pivoting parts 130 is arranged pivotable or rotatable about a rotation axis, which coincides with the axis of rotation of the contact roller 8.
  • a drive section 120 is provided. This comprises here on only one outer side of a frame wall 7 (here: the front) a module formed by a motor 121, a driven side arranged gear 122 and a fixing member 127, via which the motor-gear unit 121, 122 on the frame wall is attached.
  • the gear 122 is rotationally connected to a shaft 128. Their rotation axis is parallel to the axis of rotation of the contact roller 8.
  • At the opposite sides of the frame walls 7 here on the shaft 128 each have a pulley 125 rotatably mounted or integrally formed with the shaft 128.
  • a belt 123 is wound, which is also wrapped around a respective second pulley 126.
  • Each pulley 126 is fixed to or integrally formed with a respective one of the two swing members 130. This makes it possible for the motor 121 to set the respective pivoting part 130 and thus the housing section 140 with the functional elements arranged therein into rotation via the gearbox having a belt drive here.
  • the separating section 100 or the housing section 140 in accordance with FIG. 2a only turned clockwise. Since the fleece during winding runs above the contact roller 8, the housing section 140 detects during rotation the fleece, coming from the left, from the underside in FIG. 2a and thus pushes it upwards away from the contact roller 8, when it moves into the infeed roller FIG. 2a shown (separation) position is rotated.
  • FIG. 2b shows the same arrangement of the in FIG. 2a Rear side of the rear frame wall 7 seen from.
  • the shaft 128 is freely rotatably received in the frame walls 7 by means of pivot bearings 124.
  • pivot bearings 124 it can also be seen that on the in FIG. 2b Outside the front frame wall 7 no drive means in the form of a motor or the like is present. Ie. a single motor 121 moves the entire remainder of the separation section 100.
  • FIG. 3 shows a detailed view of the separating portion 100 of the nonwoven winder 1.
  • Both pivoting parts 130 comprise, in a lower region here, an exemplary circular recess 131 in order to engage around the contact roller 8, not shown here, in a freely rotatable manner.
  • fastening sections 109 are provided here, for example in the form of screws, by means of which the respective pivoting part 130 is fastened with its outer side facing away from the housing section 140 to the associated pulley 126 (not illustrated here).
  • the outside of the respective pivoting part 130 advantageously forms a safeguard that the belt 123 can not slip in the direction of the pivoting part 123.
  • the respective associated frame wall 7 ensures that the belt 123 can not slip off in the other direction of the pulley 126. Thus, the belts 123 are guided safely.
  • the housing section 140 consists essentially of two housing parts 141, 142.
  • Both pivoting parts 130 are designed and arranged relative to one another such that their passage openings 132, viewed along the axis of rotation of the pivoting parts 130, are aligned with one another.
  • shaft 151 is freely rotatably received with a respective end.
  • FIG. 4 shows a view of the separating section 100 without pivoting part 130 and with contact roller 8. Thus, the interior of the housing 140 can be seen.
  • a fastening element 101 is attached to the housing part 142, to which a pneumatic cylinder 102 is pivotally hinged at one end.
  • the free end of the piston 103 of this pneumatic cylinder 102 is pivotally mounted on a pivot member 104.
  • the pivoting part 104 is at the other end rotatably arranged on a shaft 105 and a transmission element 108 described in more detail below.
  • the housing part 142 here on the right side on a plurality of through holes 144, which allow that a respective blowing element 152 can blow out air with respect to the housing portion 140.
  • the function of the blowing element 152 will be explained later.
  • the blowing element 152 is fixedly mounted on the shaft 151 by means of a fastening element 153.
  • a bearing element 143 is arranged, which receives the shaft 151 freely rotatable between the ends, so that the shaft 151 can not bend over its length.
  • the bearing element 143 also able to receive the respective shaft 105 freely rotatably mounted. In the embodiment shown, however, this is not the case, as explained in more detail later.
  • the housing section 140 or, in the example shown, the housing part 142 has, on the side facing away from the contact roller 8, a passage opening or a recess 145, the function of which will be explained in more detail later.
  • FIG. 5 shows a partial interior view of the separating portion 100 without housing portion 140.
  • the separating portion 100 is in the range of in FIG. 3 and FIG. 4 shown in the neckline at the front.
  • the pneumatic cylinder 102 and the fastener 101 can be seen, which is attached via mounting portions 109 here in the form of a respective screw and a nut on the housing part 142, not shown here stationary.
  • the shaft 105 is freely rotatably received at the free, here right end by means of a rotary bearing 111 in an associated fastener 110. This is by means of in relation to FIG. 3 indicated two mounting portions 109 in the form of countersunk screws through the above-mentioned mounting holes in the respective pivot member 130 continuously attached thereto.
  • the pivoting part 104 is preferably attached to the above-mentioned, in cross-section here exemplary square-shaped transmission element 108 or integrally formed therewith.
  • the shaft 105 preferably engages with its end facing the transmission element positively or non-positively in the transmission element 108, but may also be integrally formed with the transmission element 108.
  • the pneumatic cylinder 102 is able to rotate the transmission element 108 and optionally also the shaft 105 about an axis of rotation parallel to the axis of rotation of the contact roller 8 by pivoting the pivoting part 104.
  • the toothing is designed so that it can break a fleece on contact.
  • the blowing element 152 is shown, which is fastened by means of an associated fastening element 153 on the shaft 151, which in turn is preferably freely rotatably mounted in the pivoting part 130.
  • the attachment is again by means of two attachment portions 109 in the form of a screw and a nut. If the pneumatic cylinder 102 folds out the cutting section 106 from the housing section 140, the fleece lying against it is thus separated, and the blowing element 152, which is preferably arranged distributed over the entire width of the fleece, allows air to flow through the fleece FIG. 4 indicated through holes 144 exit from the housing portion 140. As a result, the separated fleece is conveyed in the direction of the new winding shaft to be wound, which is in the winding position 4.
  • the shaft 151, the blowing element (s) 152 and the fastening element (s) 153 thus form a conveying section 150.
  • a sensor 160 is provided. This is mechanically formed in the case shown. It comprises a housing 163, which is fastened to a fastening element 145 by means of two fastening sections 109 here.
  • the fastening element 145 in turn is attached to the here downwardly facing side by means of two fastening sections 109, preferably in the form of a screw and a nut now on the housing part not shown 141 or formed integrally therewith.
  • the sensor 160 has on its side facing away from the housing part 141 a two-armed lever 162, at the free end of a sensing roller 161 is preferably arranged freely rotatable.
  • the axis of rotation of the follower roller 161 runs as an example parallel to the axis of rotation of the shaft 105.
  • an actuating element 107 in the form of a plate-like part in turn by means of two mounting portions 109, exemplified formed by a respective screw and a nut so fixedly mounted that it protrudes into the pivoting of the feeler roller 161. Im in FIG. 5 As shown, the actuating element 107 urges the follower roller 161 in the direction of the housing section 163 and thus actuates the sensor 160.
  • the actuating element 107 pivots according to FIG. 5 clockwise away from the follower roller 161 and thus relieves the preferably spring-mounted lever assembly 162. Thus, the operation of the sensor 160 is released. Thus, it can be detected that the cutting section 106 is now in the unfolded state in which the nonwoven can be separated.
  • the sensor 160 is preferably designed as an opener. This means that he according to FIG. 5 opens a circuit so that no power is consumed.
  • a control circuit outside of the separation section 100 registers the sensor signal and, for example, switches the blower element 152 on or off again.
  • the senor 160 is pneumatically formed. Ie. it is led out via a pneumatic line, not shown here in relation to the separating section 100 out of this.
  • a pneumatic line has the advantage that the sensor 160 in any rotational position of the shaft 105 with respect to the housing portion 140 and on the frame wall 107 by means of a ring-like channel to the outside pneumatically easily connected.
  • an electrical sensor 161 a relatively expensive or wear-prone solution would have to be realized, for example, by means of sliding contacts in order to ensure electrical contact in each rotational position.
  • FIG. 6 shows the attachment of the sensor 160 to the housing part 141.
  • FIG. 7 shows a method of operating the nonwoven winder 1 for separating a nonwoven fabric.
  • step S2 After the start in step S1, the winding shaft 16 shown in FIG. 1 is wound in the winding position 5 in a customary manner, first in a step S2.
  • step S3 it is checked in a subsequent step S3, whether the end of the winding is pending.
  • This test can be checked by means of a sensor, by means of which, for example, the outer diameter and / or the weight of the winding shaft 16 is detected.
  • the length of the wound web are sensory detected, for example by means of a sensory counter sensor.
  • a combination of an incremental encoder for the revolutions of the winding shaft and a sensory detection of the respective outer diameter of the winding shaft would be a suitable sensor solution. Both steps S2 and S3 can also be executed in one and the same step.
  • Step S4 preferably involves turning the winding shaft 15 located in the waiting position 3 by means of the clamping section 12 and transporting it to the winding position 4 by means of the locking and moving section 10.
  • the housing section 140 is inserted into the in FIG. 1 shown position or slightly further rotated clockwise. As an example, the in FIG. 1 shown position of the housing portion 140 whose separation position is.
  • step S5 it is checked whether the separation position has been reached. If not (no branch after step S5), jump to step S4.
  • step S5 the cutting portion 106 is moved to a state in which it can separate the nonwoven in a subsequent step S6; in the embodiment shown so folded out by retraction of the piston 103 of the pneumatic cylinder 102.
  • step S6 (dotted line) is the separated by means of the cutting portion 106, freed part fleece in a step S7 in the direction of the winding shaft 4 located in Anwickelposition 4 transported here by means of blown air from the blowing elements 152.
  • the cutting portion 106 can be folded back in a step S8.
  • the housing portion 140 is preferably in a clockwise direction in FIG FIG. 1 further rotated so that the housing portion 140 can no longer touch a fleece.
  • the winding shaft 16 are now moved by means of the winding and Ausschubabitess 11 in the Ausschubposition 6, and the wound winding shaft by means of the locking and moving portion 10 moves to the winding position 5 and taken over by the winding and Ausschubabites 11.
  • the locking and moving portion 10 moves back to take over the next winding shaft to be wound can.
  • step S2 it is preferable to return to step S2, or the process is simply terminated.
  • the transmission element 108 and the shaft 105 can be freely rotatable relative to one another.
  • the aforementioned bearing is preferably formed by means of one of the frame walls 7, and the associated pivot bearing means of the associated pulley 126th
  • the above-described belt drive may be replaced by a chain drive or any other type of transmission.
  • the motor-gear unit 121, 122 may be provided on both frame walls 7, 7.
  • a pneumatic sensor 160 this is coupled to a stationary with respect to the nonwoven winder 1 transducer, which converts the pneumatic sensor signal into an electrical signal and outputs to the aforementioned control circuit.
  • the sensor 160 can also be provided several times, which reduces the risk of failure.
  • the invention provides a very inexpensive and safe separator for integration into a nonwoven winder and a simple method of operation therefor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
EP18171427.0A 2017-05-24 2018-05-09 Dispositif de coupe pour un bobineur de non-tissé Active EP3406770B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017111379.7A DE102017111379B4 (de) 2017-05-24 2017-05-24 Schneidvorrichtung für einen Vlieswickler

Publications (2)

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EP3406770A1 true EP3406770A1 (fr) 2018-11-28
EP3406770B1 EP3406770B1 (fr) 2023-07-05

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EP (1) EP3406770B1 (fr)
CN (1) CN108928660B (fr)
DE (1) DE102017111379B4 (fr)
PL (1) PL3406770T3 (fr)

Cited By (2)

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CN109353878A (zh) * 2018-12-10 2019-02-19 恒天重工股份有限公司 一种适用于非织造布单辊卷绕机的横切装置
CN113428702A (zh) * 2021-07-06 2021-09-24 山东晶创新材料科技有限公司 一种无纺布生产设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647273B (zh) * 2020-12-15 2021-11-26 江西美硕实业有限公司 一种服装生产用布料自动切边设备

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EP0698571A2 (fr) * 1994-08-17 1996-02-28 Klaus Reinhold Cylindre de coupe et de transport pour des matériaux en bande

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IT1289169B1 (it) * 1997-01-10 1998-09-29 Italconverting Srl Macchina e metodo per la produzione di rotoli o logs di materiali in foglio
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PL3044146T3 (pl) * 2013-09-09 2018-12-31 Valmet Aktiebolag Nawijarka i sposób zwijania wstęgi papieru w zwój i rozpoczynania nowego zwoju
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DE1057922B (de) * 1956-01-19 1959-05-21 Spinnerei Karl Marx Veb Trenn- und Anlegevorrichtung fuer Vlieswickler
US3704835A (en) * 1971-07-13 1972-12-05 Arthur E Harley Roll changing system
WO1995015901A1 (fr) * 1993-12-08 1995-06-15 Beloit Technologies, Inc. Procede et appareil de changement de lot dans un enrouleur de papier
EP0698571A2 (fr) * 1994-08-17 1996-02-28 Klaus Reinhold Cylindre de coupe et de transport pour des matériaux en bande
US5464166A (en) * 1994-08-26 1995-11-07 E. I. Du Pont De Nemours And Company Method and apparatus for automatic roll transfer

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Publication number Priority date Publication date Assignee Title
CN109353878A (zh) * 2018-12-10 2019-02-19 恒天重工股份有限公司 一种适用于非织造布单辊卷绕机的横切装置
CN113428702A (zh) * 2021-07-06 2021-09-24 山东晶创新材料科技有限公司 一种无纺布生产设备

Also Published As

Publication number Publication date
DE102017111379B4 (de) 2021-08-12
PL3406770T3 (pl) 2023-10-09
DE102017111379A1 (de) 2018-11-29
CN108928660B (zh) 2020-06-26
EP3406770B1 (fr) 2023-07-05
CN108928660A (zh) 2018-12-04

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