JP6182063B2 - Winding core and winding method - Google Patents

Description

  The present invention relates to a winding core and a winding method.

Conventionally, a winding device is provided on the downstream side of the printing device, and a printed web is wound around the outer periphery of a winding core attached to a winding shaft of the winding device. A predetermined interval is provided between the printing unit outlet of the printing apparatus and the winding shaft, for example, for drying ink after printing. Prior to the start of printing, the front end of the printing web is fixed to the take-up shaft, and tension is applied to the printing web to prevent misalignment of the printing web. Therefore, the printing web disposed between the exit of the printing unit and the winding shaft is wound around the core without being printed, and the printing web is wasted.
On the other hand, in order not to waste the printing web, it is not attached to the core in advance, but is printed from the front end side of the printing web and printed to a length that can reach the core. After the web is sent out, the operator may perform an operation of joining the leading end of the printing web and the core. However, until it can be attached to the core, the operator must be monitoring by the printing device and is not efficient. In addition, after a predetermined time away from the side of the printing device, the worker may return and perform the work of joining the leading end of the printing web and the core, but the worker forgets, The printing web that has been sent out is grounded to the floor or the like, and there is a possibility that foreign matters such as dust adhere.
Also, in order to complement the guide path from the feeding shaft to the take-up shaft, a guide web is attached to the tip of the printing web with adhesive tape in advance, and printing is performed from the tip of the printing web. Therefore, the printing web can be used without waste. However, it is necessary to attach a guiding web before starting printing, and it is necessary to prepare a guiding web having a length longer than the distance from the feeding shaft to the winding shaft. This requires labor and time for installing the guiding web, and extra costs for preparing the guiding web.

  In order to eliminate the waste of the printing web for such problems, for example, Patent Document 1 proposes a winding guide including a strip-shaped guide and two magnets attached to the tip thereof. .

JP 2008-63139 A

  However, in the winding guide described in Patent Document 1, a strip-shaped guide, a magnet, or the like is wound around the outer peripheral surface of the winding mandrel, and a printed web is further wound thereon. As a result, there is a problem that the printed web is scratched or wrinkled. Such a problem can occur when the winding guide described in Patent Document 1 is used, not only in a printing apparatus, but also when processing such as printing or adhesive coating is performed on the web.

  An object of the present invention is to provide a winding core and a winding method that can eliminate the waste of the web and suppress the occurrence of scratches, wrinkles and the like on the processed web.

The core according to one aspect of the present invention is
A winding core for winding a long web,
A cylindrical body having a recess in a part of the outer peripheral surface;
One end part is attached to the cylindrical body, and a lead material having a through hole in part,
A connecting member that is provided at the other end of the lead material and connects the lead material and the web;
When winding the lead material and the web joined by the connecting member with the cylindrical body, the through hole overlaps the recess, and the connecting member overlaps the recess. And is accommodated in the recess.

A winding method according to one aspect of the present invention is as follows.
A winding method for winding a long web,
A cylindrical body having a recess in a part of the outer peripheral surface; a lead material having one end attached to the cylindrical body and a through hole in a part; and the lead material provided at the other end of the lead material. And a connecting member that connects the web, and a winding core of the winding device is mounted on the winding core,
The connecting member is joined to the tip of the web,
When the lead shaft is wound around the cylindrical body by rotating the winding shaft, the through hole is wound so as to overlap the recess, and then the connecting member is passed through the through hole overlapped with the recess. Wound so as to be accommodated in the recess,
Further, the web is wound around the cylindrical body around which the lead material is wound.

According to the core according to the aspect of the present invention described above, the leading end of the web and the tubular body can be joined by the connecting member provided at the lead material and the other end of the lead material. Therefore, when the long web is subjected to processing such as printing, waste of the web disposed between the processing portion and the winding portion can be eliminated.
Furthermore, according to the winding core according to one aspect of the present invention, when the web is wound, the through hole of the lead material wound around the cylindrical body overlaps the concave portion of the cylindrical body. Further, when the web is wound up, the connecting member is accommodated in the recessed portion through the through hole overlapped with the recessed portion, and the connecting member does not protrude from the outer peripheral surface of the cylindrical body. Therefore, even if a processed web is wound around the lead material after winding the lead material, scratches, wrinkles and the like are less likely to occur on the web.
According to the winding method according to the aspect of the present invention described above, since the web is wound using the core according to the aspect of the present invention described above, waste that an unprocessed web is generated is generated. In addition to being able to save, it is possible to prevent the occurrence of scratches and wrinkles when winding the processed web.

1 is a perspective view of a printing apparatus to which a winding core according to an embodiment of the present invention is attached. It is a top view of the core concerning the embodiment of the present invention. It is sectional drawing of the core which concerns on embodiment of this invention. It is sectional drawing at the time of winding up using the winding core which concerns on embodiment of this invention. It is sectional drawing at the time of winding up using the core which concerns on embodiment different from the said embodiment.

[First embodiment]
Hereinafter, the present invention will be described with reference to embodiments. The present invention is not limited to the contents of the embodiment.
In the first embodiment, a mode in which a winding core is attached to a printing apparatus which is an example of a web processing apparatus and the web is wound will be described as an example.

(Printer)
FIG. 1 is a perspective view of the printing apparatus 1 to which the core 10 according to the first embodiment is attached.
The printing apparatus 1 can perform continuous printing on the long web W. The printing apparatus 1 includes a winding device 2, and the winding device 2 can rotationally drive the winding shaft 3. A winding core 10 is detachably attached to the winding shaft 3 of the winding device 2. In the present embodiment, the winding shaft 3 is inserted into the core 10 so as to be removable. The attached winding core 10 rotates in conjunction with the rotation of the winding shaft 3.
Examples of the material of the web W include resin film, fine paper, impregnated paper, glassine paper, coated paper, release paper, non-woven fabric, metal foil, and the like, and further examples include adhesive paper and adhesive film. it can. Examples of the resin film include those formed of acrylic resin, polycarbonate resin, polyethylene resin, polypropylene resin, polyimide resin, epoxy resin, polyvinyl chloride resin, acrylonitrile / butadiene / styrene resin, and polyester resin.
The width dimension of the web W is not particularly limited. For example, in the present embodiment, the printing apparatus 1 can print on the web W having a width dimension of about 150 mm to 2000 mm.

(Core)
FIG. 2 shows a plan view of the core 10. FIG. 3 shows a cross-sectional view of the winding core 10, specifically, a cross-section taken along arrows III-III in FIG. 2.
The winding core 10 includes a cylindrical body 11, a lead material 12, and a connecting member 13.

The cylindrical body 11 is formed so that both sides are attached to and supported by the winding shaft 3. Further, a recess 110 is formed in a part of the outer peripheral surface of the cylindrical body 11. In this embodiment, the recess 110 is a through-hole penetrating from the outer peripheral side of the cylindrical body 11 to the inside (see FIG. 3).
The shape or the like of the recess 110 is not particularly limited as long as the recess 110 has a depth and a size that can accommodate the connecting member 13.
Examples of the material of the cylindrical body 11 include synthetic resin, paperboard, and metal. Examples of the synthetic resin include acrylic resin, polycarbonate resin, polyethylene resin, polypropylene resin, polyvinyl chloride resin, acrylonitrile / butadiene / styrene resin, polyester resin, phenol resin, and fiber reinforced plastic (FRP). Examples of the metal include iron, stainless steel, and copper.
When the cylindrical body 11 uses a laminate of paperboard, the paperboard may be impregnated with a resin or a resin coating may be applied to the laminated surface for the purpose of preventing paper dust scattering and improving the strength.
In addition, a resin coating may be applied to the surface of the cylindrical body 11 in order to impart antistatic properties or easy slipperiness.
The inner diameter of the cylindrical body 11 is not particularly limited as long as it can be adapted to a processing machine such as a printing apparatus such as 3 inches, 6 inches, 8 inches, and 10 inches.
The external dimensions of the cylindrical body 11 depend on the thickness of the cylindrical body 11 and are not particularly limited. The wall thickness of the cylindrical body 11 is preferably 1 mm or more and 20 mm or less, and more preferably 3 mm or more and 15 mm or less. If the thickness of the cylindrical body 11 is less than 1 mm, the strength against flatness and deflection may be insufficient, and a web that has been printed on the outer periphery of the core 10 (hereinafter sometimes referred to as a product web) is wound into a long length. When it hits, there is a possibility that core 10 may be crushed. If the thickness of the cylindrical body 11 exceeds 20 mm, not only is the material cost increased, which is uneconomical, but also the outer diameter increases, so that depending on the structure of the processing machine, there is a limit on the number of product webs to be wound. There is a risk of problems such as coming out or increasing the weight of the wound product including the core 10.

In the present embodiment, an opening 111 is formed at a position that is a part of the outer peripheral surface of the cylindrical body 11 and is different from the recess 110, and one end of the lead material 12 is drawn into the cylindrical body 11. It is.
Further, in the present embodiment, a holding member 112 for holding one end portion of the lead material 12 is provided inside the cylindrical body 11 along the axial direction of the cylindrical body 11. As shown in FIG. 3, the holding member 112 is formed in a substantially semicircular cylindrical shape, and an opening 113 is formed on a part of the outer peripheral surface. The holding member 112 is provided inside the cylindrical body 11 so that the opening 113 and the opening 111 of the cylindrical body 11 overlap. Therefore, the lead material 12 can be drawn from the outside of the cylindrical body 11 to the inside of the holding member 112 through the opening 111 and the opening 113.
Inside the holding member 112, a plate-like core material 114 to which one end of the lead material 12 is attached is disposed. In the present embodiment, one end portion of the lead material 12 is wound around the core material 114 over the entire width thereof. The core material 114 is slidable along the longitudinal direction inside the holding member 112. Therefore, the lead material 12 is attached to the cylindrical body 11 so as to be slidable along the opening 111.
The core material 114 is not limited to a plate shape, and may be a size that does not protrude from the opening 113, such as a columnar shape or a quadrangular prism shape. Examples of the material of the core material 114 include the same materials as those exemplified as the material of the cylindrical body 11, and may be formed of wood or the like.
Examples of the material of the holding member 112 include those exemplified as the material of the cylindrical body 11.

The lead material 12 is a sheet-like member in the present embodiment. One end of the lead material 12 is attached to the cylindrical body 11, and a connecting member 13 is provided at the other end. Although the shape of the lead material 12 is not particularly limited, in the present embodiment, the lead material 12 is formed in a shape in which the width dimension decreases from the one end side attached to the cylindrical body 11 toward the other end side. ing. With such a shape, it is easy to wind the lead material 12 around the cylindrical body 11. In this embodiment, as shown in FIG. 2, the lead material 12 is a substantially trapezoidal sheet.
The lead material 12 has a through hole 121. The through-holes 121 are formed at a plurality of locations at predetermined intervals in the direction connecting the one end portion to the other end portion of the lead material 12. As described above, the lead material 12 is wound around the outer peripheral surface of the cylindrical body 11 when the winding shaft 3 rotates. At this time, the through hole 121 is formed so that the concave portion 110 of the cylindrical body 11 is not blocked by the lead material 12. The through hole 121 is formed so as to overlap the position of the recess 110 when the lead material 12 is wound up. When the lead material 12 is wound around the outer peripheral surface of the cylindrical body 11 a plurality of times before the web W is wound, the number of through-holes 121 corresponding to the plurality of turns is formed. For example, when the lead material 12 is wound twice around the position of the recess 110, two through holes 121 are formed, and all of the through holes 121 overlap the recess 110.
Examples of the material of the lead material 12 include a resin film, fine paper, impregnated paper, glassine paper, coated paper, non-woven fabric, metal foil, and cloth (for example, woven fabric and tarpaulin). The resin film is made of, for example, acrylic resin, polycarbonate resin, polyethylene resin, polypropylene resin, polyimide resin, epoxy resin, polyvinyl chloride resin, acrylonitrile / butadiene / styrene resin, polyester resin, phenol resin, fiber reinforced plastic (FRP). The thing which was done is mentioned.
The thickness dimension of the lead material 12 is preferably 3 μm or more and 20 mm or less, and more preferably 10 μm or more and 10 mm or less. If the thickness dimension of the lead material 12 is less than 3 μm, the tensile strength is insufficient, and there is a possibility that the lead material 12 may break due to the tension when winding the product web. If the thickness of the lead material 12 exceeds 20 mm, the lead material 12 becomes stiff and hard, so that the flexibility is inferior, and it may be difficult to wind the core 10 cleanly, and the material cost increases, which is uneconomical. In addition, since the outer diameter becomes large, depending on the structure of the processing machine, there is a possibility that the number of wound product webs may be limited or the weight of the wound product including the core 10 may increase. is there.

The connecting member 13 is a member that is provided at the other end portion of the lead material 12 and connects the other end portion of the lead material 12 and the leading end portion of the web W. In the present embodiment, four connecting members 13 are provided at substantially equal intervals. The number of connecting members 13 is not limited to four, but is preferably 1 or more and 7 or less, and more preferably 2 or more and 5 or less. When the lead material 12 is joined to the web W, it is necessary to join the lead material 12 in a tensioned state so that there is no slack. If there is slack, when the lead material 12 is wound around the cylindrical body 11, a folded wrinkle is formed. When the product web is wound around the outer periphery of the lead material 12, the product web is wrinkled or a mark is left on the quality and The appearance may be hindered. When connecting to the web W, it is necessary to make the tension of the lead material 12 substantially the same at the location where the connecting members 13 are connected. However, if the number of the connecting members 13 exceeds seven, the tension is the same. It becomes difficult to do so.
The connecting member 13 is preferably a member that can be attached to and detached from the web W. Although it does not specifically limit as a kind of connecting member 13, In this embodiment, the suspender clip is used as the connecting member 13, and the front-end | tip part of the web W is inserted | pinched and it connects with the lead material 12. FIG.

FIG. 4 is a cross-sectional view showing a state in which the lead material 12 is wound around the cylindrical body 11. 4 is a cross-sectional view of the core 10 at a position similar to the position of the cross section taken along the line III-III in FIG.
When the lead member 12 is wound around the outer peripheral surface of the cylindrical body 11 by rotating the winding shaft 3 by the drive unit 4 of the winding device 2, the through hole 121 just overlaps the position of the recess 110 as described above. . When the winding is further continued, the connecting member 13 is accommodated in the recess 110 through the through hole 121 overlapping the recess 110.
Therefore, in this embodiment, when the lead material 12 is wound around the cylindrical body 11, the positions and sizes of the recess 110, the through hole 121, and the connection member 13 are appropriately set so that the connection member 13 is accommodated in the recess 110. Designed.

(Web winding method)
Next, a method for winding the web W using the core 10 according to the present embodiment will be described.
The above-described winding core 10 is mounted on the winding shaft 3 of the winding device 2. The other end of the lead member 12 where the connecting member 13 is provided is positioned near the printing unit outlet of the printing apparatus 1.
The leading end of the web W is sent out from the printing unit outlet of the printing apparatus 1, and the connecting member 13 is joined to the leading end.
Printing is started by the printing apparatus 1, and the winding shaft 3 of the winding apparatus 2 is rotationally driven while the webs W are sequentially sent out to wind up the lead material 12. At this time, the through hole 121 is wound so as to overlap the concave portion 110 of the cylindrical body 11 as described above. Further, since the web W is connected to the lead material 12, the web W is guided to the cylindrical body 11 by the lead material 12.
When the winding is further continued, as shown in FIG. 4, the connecting member 13 is accommodated in the recess 110 through the through hole 121 overlapping the recess 110.
Thereafter, the printed web W is wound around the cylindrical body 11 around which the lead material 12 is wound.

  According to the core 10 according to the present embodiment, the leading end of the web W and the cylindrical body 11 can be joined by the connecting member 13. For this reason, when printing is performed on the long web W, it is possible to eliminate the waste of the web W disposed between the printing unit of the printing apparatus and the core 10 mounted on the winding shaft 3.

  Furthermore, according to the winding core 10, when the web W is wound, the web W wound around the tubular body 11 has the through hole 121 overlapping the concave portion 110 of the tubular body 11. Further, when the web W is wound up, the connecting member 13 is accommodated in the recessed portion 110 through the through hole 121 overlapped with the recessed portion 110, and the connecting member 13 does not protrude from the outer peripheral surface of the cylindrical body 11. Therefore, even if a printed web W is wound around the lead material 12 after the lead material 12 is wound, the web W is less likely to be damaged or wrinkled.

Moreover, it is preferable that the lead | read | reed material 12 is made into the shape where the width dimension decreased toward the other end part side from the one end part side. By doing so, it becomes difficult for the lead material 12 to be turned up at the time of winding, and it becomes easy to wind the lead material 12 uniformly around the cylindrical body 11.
Moreover, if the width | variety of the other end part side of the lead material 12 is narrow, the number of the connection members 13 provided can be decreased, and the connection operation | work with the web W will also become easy. Furthermore, since the connection strength by the connecting member 13 and the force for pulling the web W during winding are less varied in the width direction of the web W, wrinkles are less likely to occur in the wound web W.

  The lead material 12 is slidably attached to the cylindrical body 11 by a holding member 112. Therefore, according to the core 10, the lead member 12 can be appropriately slid according to the width dimension of the web W, and the connecting member 13 can be joined in accordance with the position of the web W discharged from the printing unit outlet.

According to the winding method according to the above-described embodiment, since the web W is wound using the core 10, the printing unit of the printing apparatus and the core 10 mounted on the winding shaft 3 are used. The waste of the web W arrange | positioned between can be eliminated. Further, even if a printed web W is wound around the lead material 12 after the lead material 12 is wound, the web W is less likely to be damaged or wrinkled.
Further, if the lead material 12 having a shape in which the width dimension decreases from one end side toward the other end side, the lead material 12 can be easily wound around the cylindrical body 11 uniformly.
Further, if the lead material 12 having a narrower width on the other end side is used, the number of connecting members 13 to be provided can be reduced, and the connecting operation with the web W can be simplified. Furthermore, since the connection strength by the connecting member 13 and the force for pulling the web W during winding are less varied in the width direction of the web W, wrinkles are less likely to occur in the wound web W.
Since the core 10 in which the lead material 12 is slidably attached to the cylindrical body 11 is used, the connecting member 13 can be joined in accordance with the position where the web W from the printing unit is discharged.

[Second Embodiment]
Next, a second embodiment of the present invention will be described. In the following description, the same members, configurations, means and the like as those already described are denoted by the same reference numerals, and description thereof will be simplified or omitted.

FIG. 5 is a cross-sectional view illustrating a state in which the web W is wound up by using the core 20 according to the present embodiment.
The winding core 20 includes a cylindrical body 21, a lead material 22 having one end attached to the cylindrical body 21, and a connecting member 13 provided at the other end of the lead material 22.

The cylindrical body 21 includes a cylindrical body main body 23 and an outer peripheral member 24.
The cylindrical body main body 23 does not have the recessed part 110 and the opening part 111 like the cylindrical body 11 of 1st embodiment. An outer peripheral member 24 is wound around the cylindrical body main body 23, and the outer peripheral member 24 covers the cylindrical body 21 in the axial direction except for a part thereof. In the part where the outer peripheral member 24 is not provided, the outer surface of the cylindrical body main body 23 is exposed, and this part becomes the recess 210 in the outer peripheral surface of the cylindrical body 21. In the present embodiment, the holding member 112 is accommodated and fixed in the recess 210.
Examples of the material of the outer peripheral member 24 include those exemplified as the material of the cylindrical body main body 23, and examples thereof include foam materials such as foamed styrene and foamed urethane, natural rubber, and synthetic rubber.
The thickness of the outer peripheral member 24 is preferably 5 mm or more and 20 mm or less, more preferably 8 mm or more and 17 mm or less, and more preferably 10 mm or more and 15 mm or less. If the thickness of the outer peripheral member 24 is less than 5 mm, the connecting member 13 may protrude from the recess 210 without sufficient thickness to accommodate the connecting member 13. If the thickness of the outer peripheral member 24 exceeds 20 mm, not only is the material cost increased, which is uneconomical, but also the outer diameter increases, so that depending on the structure of the processing machine, the number of product webs to be wound is limited. Or the weight of the wound product including the winding core may increase.
The lead material 22 can be made of the same material as the lead material 12 of the first embodiment, and is a sheet-like member. As described in the first embodiment, the lead material 22 has a through-hole 221 so as to overlap the concave portion 210 during winding. One end of the lead material 22 is held by the holding member 112 in the same manner as in the first embodiment. Similarly to the first embodiment, the lead material 22 of the second embodiment is slidably attached to the cylindrical body 21.
The connection member 13 is the same as that of the first embodiment, and is accommodated in the recess 210 through the through hole 221 when the lead material 22 is wound.

  According to the core 20 which concerns on 2nd embodiment, there exists an effect similar to the core 10 which concerns on 1st embodiment. Further, according to the winding core 20, it is not necessary to form the recess 110 or the opening 111 in the cylindrical body main body 23, and the holding member 112 does not have to be accommodated in the cylindrical body main body 23. The structure can be simplified, and the existing core can be retrofitted.

[Modification]
It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.

In the above-described embodiment, the mode in which the core is attached to the printing apparatus and the web is wound is described as an example. However, the apparatus to which the core of the present invention can be attached is not limited to the printing apparatus. For example, the core of the present invention is applied to a copying machine, a coating machine, a cutting machine, a film making machine, a paper machine, a laminating machine, a UV irradiation machine, a semiconductor manufacturing apparatus (wafer processing apparatus), a labeling apparatus, etc. Can be attached. Examples of the printing apparatus include an ink jet method, a laser method, a thermal transfer method, and a UV method.
Further, the width dimension and the length dimension of the web to be processed are not particularly limited. Unlike a single sheet, a long web is not particularly limited as long as it is continuously fed to a processing apparatus and processed. For example, a web wound in a roll shape. Etc.

In the embodiment, the mode in which the lead material 12 is slidably attached to the cylindrical body 11 or the cylindrical body main body 23 has been described, but the lead material 12 is not slidably attached to the cylindrical body 11 or the cylindrical body main body 23. Even if it is a case where it is made to slide, a slide mechanism is not limited to the mode explained by the above-mentioned embodiment.
Moreover, the lead material 12 is not limited to the aspect attached to the cylindrical body 11 or the cylindrical body main body 23 using the holding member 112, but directly or other members are used for the cylindrical body 11 or the cylindrical body main body 23. May be attached.

  In the above embodiment, an example in which a substantially trapezoidal sheet is used as the lead material 12 has been described. However, the present invention is not limited to such a lead material. For example, it may be a polygonal shape such as a triangle, a rectangle, or a pentagon, a shape such as a circle or an ellipse, or an indefinite shape.

  In the said embodiment, although the example using a suspender clip was mentioned and demonstrated as the connection member 13, in this invention, it is not limited to such a connection member. For example, other clips, magnets, adhesive tapes, hook-and-loop fasteners, and the like can be used as the connecting member.

  The present invention can be used as a winding core and a winding method for winding a web.

  DESCRIPTION OF SYMBOLS 2 ... Winding device, 3 ... Winding shaft, 10, 20 ... Core, 11, 21 ... Cylindrical body, 110, 210 ... Recessed part, 12 ... Lead material, 121 ... Through-hole, 13 ... Connecting member, W ... Web.

Claims (2)

A winding core for winding a long web,
A cylindrical body having a recess in a part of the outer peripheral surface;
One end part is attached to the cylindrical body, and a lead material having a through hole in part,
A connecting member that is provided at the other end of the lead material and connects the lead material and the web;
When winding the lead material and the web joined by the connecting member with the cylindrical body, the through hole overlaps the recess, and the connecting member overlaps the recess. The core is accommodated in the concave portion through. A winding method for winding a long web,
A cylindrical body having a recess in a part of the outer peripheral surface; a lead material having one end attached to the cylindrical body and a through hole in a part; and the lead material provided at the other end of the lead material. And a connecting member that connects the web, and a winding core of the winding device is mounted on the winding core,
The connecting member is joined to the tip of the web,
When the lead shaft is wound around the cylindrical body by rotating the winding shaft, the through hole is wound so as to overlap the recess, and then the connecting member is passed through the through hole overlapped with the recess. Wound so as to be accommodated in the recess,
Furthermore, the said web is wound around the said cylindrical body around which the said lead material was wound. The winding method characterized by the above-mentioned.

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