Receiving means for receiving film material

Abstract

The invention relates to a receiving means (200) for receiving film material (250) for use in a winding machine (IO), wherein the receiving means (200) comprises at least one bearing region (210) for attaching the receiving means (200) to a winding unit (20) of the winding machine (IO) and comprises a wall (220) having an outer surface region (230), wherein the wall (220) is designed in such a way that the surface region (230) can be placed onto a transport device (30) of the winding machine (10) and the film material (250) can be received onto the surface region (230).

Claims

1. Receiving means for receiving film material for the use in a winding machine, wherein: the receiving means has at least one bearing region for mounting the receiving means to the winding unit of the winding machine, a wall with an outer surface region, and an outer adhesive means layer at least partially covering the outer surface region of the wall, wherein the outer surface region of the wall is placeable on a winding machine and the film material is receivable on the outer surface region; wherein the outer adhesive means layer is configured to contact the film material, wherein the outer adhesive means layer has an average thickness of at least 100 μm and at most 700 μm to maintain the structure of the outer surface region at least during or after the placement on the transport device as far as possible, wherein the outer adhesive means layer is configured without adhesive tape.

2. Receiving means according to claim 1, wherein the average thickness of the adhesive means layer is at most 100 μm or 700 μm or 300 μm.

3. Receiving means according to claim 1, wherein the receiving means is configured as a sleeve, wherein the wall has a bearing region on the inner side and a surface region on the outer side, comprises to at least 40% or 70% or 90% of a surface area of an adhesive means layer.

4. Method for the implementation of an automated change of a roller for a winding machine with a transport device for transporting film material, comprising the following steps, which are performed in any order: A. Mounting of at least one receiving means at a winding unit, B. Automatized preparation of the receiving means with an adhesive means, by at least one application device, wherein the prepared receiving means is particularly free from adhesive tape, wherein the adhesive means has an average thickness of at least 100 μm and at most 700 μm, C. Application of the prepared receiving means prepared with the adhesive means to the transport device such that the prepared receiving means is in direct contact with the transport device in order to enable an acceptance of the film material from the prepared receiving means.

5. Method according to claim 4, wherein during or after step C, the film material, is winded up mainly without flipping over by the prepared receiving means.

6. Method according to claim 4, wherein the application of the prepared receiving means according to step C occurs directly to the transport device.

7. Method according to claim 4, wherein the application of the prepared receiving means to the transport device, occurs according to step C mainly contactless to the film material.

8. Method according to claim 4, wherein the application of the prepared receiving means to the transport device according to step C occurs only by contacting a contact region of the film material in which the film material abuts to the transport device.

9. Method according to claim 4, wherein the preparation of the prepared receiving means occurs as a large, application of the adhesive means, of the prepared receiving means.

10. Method according to claim 4, wherein according to step B for preparing an application of the adhesive means occurs in that only a preparation area comprises at least an adhesive layer or an edge region is left out during application.

11. Method according to claim 4, wherein according to step B for preparing an application of the adhesive means as an adhesive pattern occurs.

12. Method according to claim 4, wherein according to step B for preparing an application of the adhesive means by an application head of the application device occurs with a spraying pressure of at least 0,2 bar or at least 0,4 bar or at least 0,8 bar.

13. Method according to claim 4, wherein according to step B for preparing an application of the adhesive means occurs such that air is provided to the adhesive means.

14. Method according to claim 4, wherein with step B a rotation of the receiving means by the winding unit occurs.

15. Method according to claim 4, wherein during the application of the prepared receiving means to the transport device according to step C, the film material contacts the surface of the transport device.

16. Method according to claim 4, wherein a first receiving means is mounted to a first winding unit for the acceptance of the film material, wherein the first receiving means is prepared with an adhesive means according to step B and a second receiving means is mounted to an already wound up film material at a second winding unit, wherein a roller exchange occurs such that before, during or after step C the film material is separated at a separation sight of the film material, wherein the film material remaining at the transport device comprises a film beginning at the separation site the film beginning is transported to the contact site of the first receiving means with the transport device in order to effect an initial winding of the film material to the first receiving means.

17. Method according to claim 4, wherein a further, receiving means is provided which comprises wound up film material which is connected uniform in material with the film material at the transport device, wherein for the exchange of rollers, a separation of the film material at the transport device occurs in order to clear the connection.

18. Method according to claim 4, wherein a separation of the film material for the exchange of rollers occurs via a cutting device edge at least straight, or inclined.

19. Method according to claim 4, wherein according to step A at least two receiving means are mounted to a single winding unit.

20. Method according to claim 4, wherein by at least a control device or a drive unit a positioning of the receiving means is controlled relative to the application device or vice versa.

21. Method according to claim 4, wherein the prepared receiving means is configured to receive film material for the use in a winding machine, wherein the prepared receiving means has at least one bearing region for mounting the prepared receiving means to the winding unit of the winding machine and a wall with an outer surface region, wherein a wall is configured such that the outer surface region is placeable on a winding machine and the film material is receivable on the surface region wherein that the outer surface region at least partially comprises an outer adhesive means layer for making contact with the film material, wherein the outer adhesive means layer has an average thickness of a maximum of 700 μm to maintain the structure of the surface region at least during or after the placement on the transport device as far as possible.

22. Device for the performance of an automatized change of rollers comprising: at least one winding unit for the acceptance of at least one receiving means, at least one application device for automatized preparation of the receiving means with an adhesive means, wherein the prepared receiving means is particularly free from adhesive tape, wherein the adhesive means has an average thickness of at least 100 μm and at most 700 μm, a transport device for the transport of film material wherein the prepared receiving means prepared with an adhesive means is in direct contact with the transport device such that an acceptance of the film material is performable by the prepared receiving means.

23. Device according to claim 22, wherein the application device comprises an application head in the region of the winding unit.

24. Device according to claim 22, wherein at least the application device or the winding unit is attached to a mechanic drive unit in order to adjust a distance between the application device and at least the winding unit or the receiving means by a positioning.

25. Device according to claim 22, wherein the distance between the application device and the receiving means for preparing the receiving means with the adhesive means amounts to between 10 mm and 20 mm.

26. Device according to claim 22, wherein at least an adhesive means or air-conducting conductive element, is connected with the application device, wherein the conductive element is configured to conduct at least the adhesive means or the heated air to the application head.

27. Device according to claim 22, wherein the conductive element is heat-resistant until at least 300° C.

28. Device according to claim 22, wherein the application device is arranged displaceable at the guidance which extends at least along the winding unit in order to enable a, application of the adhesive means to the receiving means.

29. Device according to claim 22, wherein the application device comprises at least one sensor device with at least one sensor element, wherein the sensor element is adjusted to at least the winding unit or to the receiving means and is configured in order to at least perform or detect a positioning at the receiving means.

30. Device according to claim 22, wherein the transport device comprises a non-stick coating in order to mainly preserve the structure of the surface area of the receiving means applied to the transport device.

31. Device according to claim 22, wherein at least a positioning sensor is provided directly adjacent in the area of the transport device and the prepared receiving means in order to detect the position of the prepared receiving means at the transport device.

32. Device according to claim 22, wherein a positioning sensor is directly or indirectly electrically or wirelessly connected with a control device for positioning of the prepared receiving means at the transport device, in order to effect the application mainly to the point in time in which the beginning of the film of the film material contacts to the transport device during application of the prepared receiving means.

33. Device according to claim 22, wherein at least a sensor device or a positioning sensor is directly or indirectly electrically or wirelessly connected with the application device in order to perform the automatized preparation in dependence of the position of the receiving means at the transport device.

34. Device according to claim 22, wherein the device operable according to a method for the implementation of an automated change of a roller for a winding machine with the transport device for transporting film material, comprising the following steps, which are performed in any order: A. Mounting of the at least one receiving means at the winding unit, B. Automatized preparation of the receiving means with the adhesive means, by the least one application device, C. Application of the receiving means prepared with the adhesive means to the transport device in order to enable an acceptance of the film material from the receiving means.

35. Device according to claim 22, wherein the adhesive means has an average thickness of at most 700 μm.

36. Film production device, with a device for the performance of an automatized change of rollers comprising: at least one winding unit for the acceptance of at least one receiving means, at least one application device for automatized preparation of the receiving means with an adhesive means, wherein the prepared receiving means is particularly free from adhesive tape, wherein the adhesive means has an average thickness of at least 100 μm and at most 700 μm, a transport device for the transport of film material wherein the prepared receiving means prepared with the adhesive means is in direct contact with the transport device such that an acceptance of the film material is performable by the prepared receiving means.

Description

(1) Further advantages, features and details of the invention result from the subsequent description in which embodiments of the invention are described in detail in relation to the drawings. Thereby the features described in the claims and in the description can be essential for the invention each single for themselves or in any combination. It is shown schematically:

(2) FIG. 1 a perspective view of a receiving means according to the invention,

(3) FIG. 2 an enlarged view of an adhesive means layer on a wall of the receiving means according to the invention,

(4) FIG. 3 a perspective view of two receiving means arranged next to each other on the winding unit,

(5) FIG. 4 a perspective view of a device according to the invention particularly as part of a film production device according to the invention,

(6) FIG. 5 a lateral view of a device according to the invention,

(7) FIG. 6 an arrangement of a device according to the invention,

(8) FIG. 7 an enlarged view of parts of a device according to the invention,

(9) FIGS. 8 to 14 lateral views on a device according to the invention for the visualization of a method according to the invention,

(10) FIG. 15 visualization of method steps of a method according to the invention.

(11) In the subsequent figures for the same technical features even of different embodiments the identic reference signs are used.

(12) In FIG. 1 a receiving means 200 according to the invention is shown schematically in a perspective view. A wall 220 can be recognized which is particularly configured as a hollow cylinder and comprises an inner side and an outer side. The inner side configures a bearing region 210 for the arrangement of the receiving means 200 at the winding unit 20 of a winding machine 10. The winding unit 20 is, for example, configured as a winding shaft and can particularly be inserted into the receiving means 200. The bearing area 210 therewith directly contacts to the winding unit 20 and enables, for example, a torque-proof and/or immobile bearing of the receiving means 200 at the winding unit 20 in order to enable a rotation of the receiving means 200 during a rotation of the winding unit 20. Alternatively, a pivotable bearing of the receiving means 200 at the winding unit 20 can be provided. The outer area of the wall 220 comprises a surface region 230 of the receiving means 200. This receiving region 230 is suitable as an outer mantle surface of the receiving means 200 and thereby for the acceptance or for winding of film material 250. In FIG. 1 thereby the wound up film material 250 can be recognized which is, however, only accepted from a partial area of the surface region 230. This area, for example, corresponds to a preparation area 231 which is equipped with adhesive means 234. The free area of the surface region 230 which is not covered by film material 250 thereby corresponds, for example, to an edge area 232.

(13) FIG. 2 shows an enlarged sectional view through an outer adhesive means layer 235 with an adhesive means 234 which is configured on a surface region 230 of the wall 220 of the receiving means 200. Therewith, further an average thickness D of the adhesive means layer 235 is characterized. The greatest thickness of the adhesive means layer 235 and the smallest thickness of the adhesive means layer 235 can thereby, for example, differ maximum about 50% or about maximum 30% or about maximum 10% of the average thickness D.

(14) FIG. 3 shows a schematic perspective view of two receiving means 200 wherein a first receiving means 200a is adjacently arranged together with a second receiving means 200b at the winding unit 20. Both receiving means 200 according to the invention are thereby movably or immovably mounted at the winding unit 20 in a bearing region 210. Preferably, thereby the winding unit 20 is pivotably mounted in order to effect a rotation of the receiving means 200 non-rotatably connected with the winding unit 20. The two receiving means 200 according to the invention are thereby arranged at the common winding unit 20 wherein between the first receiving means 200a and the second receiving means 200b a distance or a gap can be recognized. This gap is possibly excluded from the automatized preparation of the receiving means 200 with an adhesive means 234. Likewise, it is enabled that an edge area 232 is excluded from the preparation and therewith is configured free from adhesive means after the preparation. Therewith an application of the adhesive means 234 during the automatized preparation occurs preferably only in a preparation area 231 of the receiving means 200 or the receiving means 200 or only in a defined area according to an adhesive image 233.

(15) In FIG. 4 schematically a device 10 according to the invention is shown which, for example is part of a film production device 100 according to the invention, particularly for the production of cast- or blow film. The device 10 according to the invention at least comprises a winding unit 20 for the acceptance of at least one receiving means 200 and at least one application device 40 for the automatized preparation of the receiving means 200 with an adhesive means 234. Further, the device 10 according to the invention comprises a transport device 30 which is, for example, configured as a contact roller 30 and configured for the transport of film material 250. The transport device 30 can, for example, be configured as a VSK-roller and, for example, comprise multiple openings 35 which serve for the generation of a negative pressure or a positive pressure. Further, a gap 36 can be provided along an axis of rotation R through which a cutting device 37 is extendable.

(16) In FIG. 5 a lateral view of a device 10 according to the invention is shown. Thereby, the transport device 30 can be recognized which is rotatably mounted about an axis of rotation R. Likewise, it can be recognized that film material 250 is wound to a receiving means 200 according to the invention, particularly a second receiving means 200b at a second winding unit 20b. Hereby, a film roller results which is exchanged with a new receiving means 200 upon reaching the desired film length by an automatized change of rollers, particularly a first receiving means 200a. The first receiving means 200a is hereby applied to a first winding roller 20a in order to be prepared with adhesive means 234. The application of the adhesive means 234 for the configuration of the adhesive means layer 250 thereby occurs by an application device 40 which is, for example, pivotably mounted in a guidance 55 and/or is moved, for example, along the axis of rotation R by a drive unit 50.

(17) FIG. 6 serves for the clarification of the construction of a device 10 according to the invention and the integration of the device 10 according to the invention into a film production device 100. The film production device 100 can thereby, for example, be configured as a cast- and/or blow film unit wherein the produced films are transported to the device 10 according to the invention, particularly a winding machine 10, for the winding up to the receiving means 200 according to the invention. For the performance for an automatized change of rollers thereby a control device 70 of the device 10 is provided which, for example, for monitoring the change of rollers is connected to a sensor device 60 of the device 10 according to the invention. The sensor device 60 comprises, for example, a sensor element 61 and/or a positioning sensor 62.

(18) In FIG. 7 an enlarged representation of parts of a device 10 according to the invention is shown, particularly an application device 40. Thereby, it can be recognized that the application device 40, particularly an application head 41 of the application device 40, is arranged spaced apart to the winding unit 20 and/or to the receiving means 200. For example, a displacement of the application head 41 is performable along the guidance 55 wherein a heated adhesive means 234 is transported through conductive elements 45 to the application head 41. In order to follow the movement the conductive element 41 is configured particularly flexible and/or as a tube. For monitoring the distance of the application head 41 from the winding 20 and/or from the receiving means 200 according to the invention, for example, a sensor device 60 is provided which preferably comprises at least one sensor element 61 or at least one distance sensor 61.

(19) In FIGS. 8 to 14 a lateral view of parts of a device 10 according to the invention is shown wherein a transport device 30 is represented which is rotatably mounted about an axis of rotation R. Further, an additional roller 38, particularly a support roller 38, is provided at which film material 250 is guided for the transport device 30. The film material 250 is transported along the transport device 30 to a film roller which is configured by a second receiving means 200b at a second winding unit 20b and the wound up film material 250. Likewise, an application head 41 is shown for spraying the receiving means 200 according to the invention with an adhesive means 234. In the area of the application head 41 thereby a first receiving means 200a is arranged at a first winding unit 20a.

(20) According to FIG. 8 initially a basic position of the device 10 according to the invention is shown with which the winding to the second receiving means 200b occurs. When the desired film length is achieved a change of rollers is initialized according to FIG. 9 wherein the first receiving means 200a proceeds in the adhesive position with the first winding shaft 20a. According to FIG. 10 subsequently the automatized preparation of the first receiving means 200a occurs with the adhesive means 234 in order to configure an adhesive means layer 235 on the first receiving means 200a. During the application of the adhesive means 234 thereby particularly the first winding unit 20a rotates together with the first receiving means 200a. Subsequently to the application of adhesive means 234 in the desired area the first winding unit 20a is transported to a waiting position with the first receiving means 200a according to FIG. 11 and moreover a cut through the film path occurs by a cutting device 37. Thereby, the cutting device 37 cuts at a separation site 251 at which now a beginning of the film 251 results at the film material 250 remaining at the transport device 30.

(21) According to FIG. 12 now the application of the receiving means 200a prepared with adhesive means 234 to the transport device 30 occurs in order to enable an acceptance of the film material 250 from the receiving means 200. Thereby, the beginning of the film 251 of the film material 250 at the transport device 30 is transported into the direction of the first receiving means 200a. The application of the first receiving means 200a or the receiving means 200 and the herefore necessary movement of the winding unit 20 or the first winding unit 20a is, for example, coordinated or controlled by a control device 70 possibly by using a sensor device 60.

(22) According to FIG. 13 the complete film roller, meaning the second winding unit 20b, is lifted from the transport device 30 with the second receiving means 200b and the winding of the first receiving means 200a occurs. According to FIG. 14 now the new, first winding unit 20a in transferred into a basic position with the new, first receiving means 200a, meaning into the position which previously was taken by the second winding unit 20b. Therewith, the automatized change of rollers is completed.

(23) In FIG. 15 method steps of a method 300 according to the invention are shown schematically. Thereby, according to a first method step 301 an automatized preparation of the receiving means 200 with an adhesive means 234 occurs. According to a second method step 302 an application of the receiving means 200 prepared with the adhesive means 234 to the transport device 30 occurs in order to enable an acceptance of the film material 250 from the receiving means 200.

(24) The previous description of the embodiments describes the present invention only within the scope of examples. Naturally, single features of the embodiment, as far as technically meaningful, can be freely combined with one another without leaving the scope of the invention.

REFERENCE LIST

(25) 10 device, winding machine 20 winding unit 20a first winding unit 20b second winding unit 30 transport device 35 openings 36 gap 37 cutting device 38 support roller 40 application device 41 application head, spray head 45 conductive element 50 drive unit 55 guidance 60 sensor device 61 sensor element, distance sensors 62 positioning sensor 70 control device 100 film production device 200 receiving means 200a first receiving means 200b second receiving means 210 bearing region 220 wall 230 surface region, mantle surface 231 preparation area 232 edge region 233 adhesive pattern 234 adhesive means 235 adhesive means layer 250 film material 251 separation site, beginning of the film 300 method 301 first method step 302 second method step D thickness of the adhesive means layer R axis of rotation