JP5135900B2 - Winding core holding jig, winding device and slitter device - Google Patents

Description

  The present invention, for example, when winding a strip, such as a tape or a film, a winding core pressing jig for fixing the winding core, and a winding device provided with such a winding core pressing jig, and The present invention relates to a slitter device.

For example, strips such as tapes and films are generally finished in a product form by winding (rolling) a raw material that has undergone a predetermined process into a predetermined width and winding it around a winding core with a winding device. It has been.
Here, FIG. 5 is an exploded perspective view showing a winding portion in an example of a conventional winding device.

The winding unit shown in FIG. 5 includes a holder 11, a winding core 12, guide plates 13 and 14, a pressing plate 15, and a pressing spring 16.
The holder 1 has a holder portion 11a and a flange portion 11b, and is attached to a winding shaft S on the winding device side. The winding core 12 is a core for winding a film which is a belt-like object such as the film product 12a, and is fitted into the holder 11 in which the taper groove 11c is formed. The guide plates 13 and 14 serve as side plates that prevent the film product 12a wound around the winding core 12 from being unwound, and are used to guide and protect the film product 12a wound around the winding core 12. It is fixed to the holder 11 together with the core 12.

In the illustrated example, since the inner diameter of the winding core 12 is larger than the outer diameter of the holder 11, a pressing plate 15 is fitted to fill the difference in diameter. At this time, the tapered groove 11c carved in the holder 1 directs the urging force of the pressing spring 16 toward the flange 11b in order to press and fix the winding core 12, the guide plates 13, 14 and the pressing plate 15 to the flange 11b. It functions as a groove for.
A winding core pressing jig having such a structure is known from Patent Document 1 and the like.

JP 2005-67754 A

By the way, there are several types of film products of the same type having different widths, and the shape and dimensions of the winding core are also different accordingly.
In Patent Document 1, in the magnetic friction holder used to wind up the narrow film, the guide plate and the stopper for fixing it prevent the winding deviation, but in such a method, the holder shape is limited, Since the number of parts is large, the film width that can be handled is narrow.

The present invention has a basic function of preventing winding slipping, and it is possible to cope with the winding core that is made common for each slit width of the film product to be manufactured by changing the holder shape so as to eliminate the taper groove of the holder itself. A winding core with a wider width and a wider adaptable width by reducing the number of parts by using a new stopper as a member that applies force to fix in a specific direction in some form, and securing an effective space It is an object of the present invention to provide a holding jig and a winding device and a slitter device equipped with such a winding core holding jig.

In order to solve the above problems, the present inventor has intensively studied, and as a result, the conventional fixing method is focused on cutting the taper groove in the holder itself to strengthen the fixing force. With such a fixing method, It was found that only the winding core matched to the taper groove can be set, and the applicable range of slit width is narrow. And it discovered that the said subject could be solved with the winding core pressing jig using the guide plate stopper which consists of elastic bodies, and came to complete this invention.
That is, the present invention relates to the following matters.

(1) A holder attached to a take-up shaft on the take-up device side for taking up the belt-like object, a winding core attached to the holder, a first guide plate, a second guide plate, and a guide plate stopper; The holder includes a holder portion that holds the winding core, the first guide plate, and the second guide plate, and a flange portion that is erected on the holder portion. The core, the first guide plate, and the second guide plate have a through hole, and are attached to the holder by inserting the holder portion through the through hole, and the first guide plate and the first guide plate The guide plate 2 guides the strip wound around the winding core on both sides of the winding core, and the guide plate stopper includes the winding core, the first guide plate, and the second guide plate. I will press against the flange Fixed to said holder portion, said guide plate stopper, it becomes an elastic body, the center through-hole of the guide plate stopper is provided, and side surfaces of the through holes, have a gradient in the thickness direction, The winding core pressing jig, wherein the guide plate stopper is fixed to the holder portion by inserting the holder portion into the through hole .

(2) The winding core pressing jig according to (1), wherein the guide plate stopper is a disk-shaped elastic body.
(3) The winding core pressing jig according to any one of (1) to (2), wherein the guide plate stopper has a thickness of 2 to 2.5 mm.
(4) The winding core pressing jig according to any one of (1) to (3), wherein a material of the guide plate stopper is neoprene or silicon rubber.

(5) core holding jig according to any one of the above ratio of the inner diameter of the guide plate stopper to the outer diameter of the holding portion of the holder is 0.8 to 0.95 (1) to (4).
(6) The winding core pressing jig according to (5), wherein a ratio of an outer diameter to an inner diameter of the guide plate stopper is 1.3 to 1.6.
(7) The winding core pressing jig according to any one of (5) to (6), wherein a ratio of an inner diameter to a thickness of the guide plate stopper is 27 to 34.
(8) The winding core pressing jig according to (1) to (7) , wherein the inclination is 30 ° to 40 ° with respect to the guide plate stopper thickness direction.

(9) A winding device including the winding core pressing jig according to any one of (1) to (8 ) above.
(10) A slitter device including the winding device according to (9) .

  The present invention as described above can be applied to the winding of a film product having a wider width, and by using this, it is possible to prevent winding of a wider variety of film products.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is an exploded perspective view showing an outline of a core holding jig according to the present embodiment, and FIG. 2 is a cross-sectional view of the core holding jig shown in FIG. 1 cut along a plane including its central axis. It is. The winding core pressing jig shown in these drawings includes a holder 1 attached to a winding shaft S on the winding device side, a winding core 2 attached to the holder 1, a first guide plate 3, and a second guide. It consists of a plate 4 and a guide plate stopper 5.
FIG. 1 shows a state in which the holder 1 is attached to the winding shaft S on the winding device side.

  The winding shaft S on the winding device side is controlled so that the film product 2a is wound while being cut (slit) to a predetermined width from the original fabric so as to be wound while applying an appropriate tension, It rotates around the axis at a predetermined speed. Usually, the winding speed at the time of slitting is about 3 to 6 m / S, and the tension is about 0.36N.

  As shown in the drawing, the holder 1 attached to the winding shaft S includes a cylindrical holder portion 1a as a holding portion for holding the winding core 2, guide plates 3 and 4, and guide plate stopper 5, and a winding core. 2. When the guide plates 3 and 4 and the guide plate stopper 5 are mounted on the holder 1, they have a flange portion 1b erected substantially perpendicular to the peripheral surface of the holder portion 1a in order to position the guide plate stopper 5 ing.

  Here, as long as the holder 1 rotates together with the winding shaft S, specific means for attaching the holder 1 to the winding shaft S are arbitrary. For example, the front end side of the winding shaft S may have a D-shaped or oval cross section, and a corresponding insertion hole may be formed on the holder 1 side, corresponding to the key provided on the winding shaft S side. A keyway to be formed may be formed on the holder 1 side. Alternatively, the holder 1 may be simply attached to the winding shaft S by screwing or the like.

  On the other hand, the winding core 2 and the guide plates 3 and 4 have a disk shape as shown in the figure, and a through hole through which the holder portion 1a of the holder 1 is inserted is provided at the center. The diameters of the through holes provided in these are substantially equal to the outer diameter of the holder portion 1a so that the winding core 2 and the guide plates 3 and 4 can be mounted coaxially with respect to the holder 1 and no axial deviation occurs. It is preferable to do so.

The winding core 2 is a core for winding up the film product 2a which is a belt-like material, and the width of the winding core 2 can be appropriately set according to the cutting width of the film product 2a to be wound up. Furthermore, the outer diameter of the winding core 2 and the outer diameters of the guide plates 3 and 4 depend on the winding length of the film product 2a, that is, the outer diameter of the film product 2a in the state wound on the winding core 2. It can be set appropriately.
Such a winding core 2 and guide plates 3 and 4 are prepared in various film products 2a by preparing a plurality of ones having different dimensions corresponding to the cutting width and winding length of the film product 2a. It can be made possible to cope with.

The guide plate stopper 5 is also provided with a through-hole through which the holder portion 1a of the holder 1 is inserted. As will be described later, the guide plate stopper 5 is for pressing the winding core 2 and the guide plates 3 and 4 so that they are attached to the holder 1 in a state where they are in close contact with each other. For this reason, in this embodiment, the guide plate stopper 5 is formed of an elastic body, and the guide plate stopper 5 is fixed to the holder portion 1a while pressing the winding core 2 and the guide plates 3 and 4 using the elastic force. It is supposed to be.
Therefore, the size of the through-hole provided in the guide plate stopper 5 can be appropriately set according to the outer diameter of the holder part 1a so that the holder part 1a can be fixed using elastic force.

The shape of the guide plate stopper 5 is not particularly limited, but is preferably a disk shape similar to other members, and the thickness thereof is sufficient to obtain a sufficient elastic force when being fixed to the holder portion 1a. And it is preferable that it is the range of 2-2.5 mm.
Further, the material of the guide plate stopper 5 is not particularly limited as long as it is an elastic body, but it is preferable to use neoprene or silicon rubber.

Further, the guide plate stopper 5, the side surface of the through hole is closed the tapered inclined portion 5a which is inclined along the thickness direction.
Here, FIG. 3 is a perspective view with a part cut away so that the structure of the guide plate stopper 5 can be easily understood. The structure of the tapered inclined portion 5a provided on the side surface of the through hole of the guide plate stopper 5 is a slight difference between the inner diameter of the guide plate stopper 5 on the front side in FIG. Is used.
When mounting such a guide plate stopper 5 on the holder 1, the side surface with the larger diameter of the through hole is made to face the second guide plate 4. In this way, when the guide plate stopper 5 is attached to the holder 1 as will be described later, the second guide plate 4 is biased by the elastic force of the guide plate stopper 5, so that the winding core 2 can be surely secured. The guide plates 3 and 4 can be brought into close contact with each other.

The inclination of the tapered inclined portion 5a of the guide plate stopper 5 is preferably 30 to 40 ° with respect to the thickness direction.
If the inclination of the taper inclined portion 5a is less than 30 ° with respect to the thickness direction, the force for urging the second guide plate 4 tends to be hardly obtained. On the other hand, when the inclination of the taper inclined portion 5a exceeds 40 ° with respect to the thickness direction, the elastic force of the guide plate stopper 5 becomes difficult to act as a force for urging the second guide plate 4, and in this case as well. In addition, the force for urging the second guide plate 4 tends to be hardly obtained.

In addition, the inner diameter of the guide plate stopper 5, that is, the size of the through hole provided in the guide plate stopper 5, is appropriately set so that it can be fixed to the holder portion 1a using elastic force as described above. The ratio of the holder part 1a as the holding part to the outer diameter is preferably 0.8 to 0.95, more preferably 0.85 to 0.92, and 0.88 to 0.90. More preferably it is.
If the ratio of the inner diameter of the guide plate stopper 5 to the outer diameter of the holder portion 1a is less than 0.8, the diameter is too small and it tends to be difficult to insert the holder portion 1a. On the other hand, when the ratio of the inner diameter of the guide plate stopper 5 to the outer diameter of the holder portion 1a exceeds 0.95, it is difficult to obtain sufficient elastic force to fix the guide plate stopper 5 to the holder portion 1a. .

The ratio of the outer diameter to the inner diameter of the guide plate stopper 5 is preferably 1.3 to 1.6.
When the ratio of the outer diameter to the inner diameter of the guide plate stopper 5 is less than 1.3, the contact area with the second guide plate 4 is small, and it is difficult to obtain a sufficient elastic force for pressing the second guide plate 4 and the like. Therefore, the occurrence rate of defects such as loose winding of the film product 2a tends to increase. On the other hand, when the ratio of the outer diameter to the inner diameter of the guide plate stopper 5 exceeds 1.6, the force by which the guide plate stopper 5 presses the outer peripheral side portion that is not in contact with the winding core 2 of the second guide plate 4. Will become stronger. Then, the portion that is not supported by the winding core 2 is easily bent, and when the second guide plate 4 is bent, the wound film product 2a interferes with the second guide plate 4 and the film product 2a is broken. There is a tendency for the incidence of defects such as these to increase.

  Thus, the inner diameter of the guide plate stopper 5 can be set with reference to the outer diameter of the holder portion 1a, and the outer diameter of the guide plate stopper 5 can be set with reference to the inner diameter of the guide plate stopper 5. As a more specific example, when the outer diameter of the holder portion 1a is 76.5 mm, the inner diameter of the guide plate stopper 5 is preferably 67 to 69 mm, and the outer diameter of the guide plate stopper 5 is 89 to 69 mm. 110 mm is preferred.

  Further, as described above, since the thickness of the guide plate stopper 5 is preferably in the range of 2 to 2.5 mm, the ratio of the inner diameter to the thickness of the guide plate stopper is considered in consideration of general dimensions of the holder portion 1a. Is preferably 27-34.

  The above-described winding core pressing jig can be used by being set, for example, on a winding device provided in the slitter device. As an example, the slitter device includes a pair of male and female cutting blade rollers assembled with a plurality of disc-shaped blades, and winds while cutting the raw material fed between the cutting blade rollers into a predetermined width. Although the thing by which arbitrary film products 2a were manufactured by taking off is mentioned, the winding core holding jig of this embodiment is not limited to such a slitter apparatus, A winding apparatus It can apply to various apparatuses provided with.

In order to set the winding core pressing jig in the winding device, first, as shown in FIG. 1, the holder 1 is rotated so as to rotate integrally with the winding shaft S on the winding device side. Install.
Next, the first guide plate 3 is inserted into a through hole provided at the center thereof so that the holder portion 1a of the holder 1 is coaxially inserted, and the center of the first guide plate 3 is a circle of the holder portion 1b. It pushes in so that it may become perpendicular | vertical with the circumferential direction, and the side surface of the flange part 1b of the holder 1 and the side surface of the 1st guide plate 3 are closely_contact | adhered. Thereafter, the core 2 is pushed in the same manner as the first guide plate 3 so as to be in close contact with the side surface of the first guide plate 3.

The second guide plate 4 is pushed in the same manner as described above so that the side surface of the second guide plate 4 is in close contact with the side surface of the core 2 after the core 2 is mounted.
Finally, the side surface with the taper slope 5a in which the winding core guide plate stopper 5 is cut in one direction on the inner diameter side thereof is directed toward the second guide plate 4 set on the holder 1. That is, as shown in FIG. 2, the side surface with the larger diameter of the through hole provided in the center of the guide plate stopper 5 is made to face the second guide plate 4. Then, the guide plate stopper 5 is pushed in the same manner as described above so that the center of the guide plate stopper 5 is perpendicular to the circumferential direction of the holder portion 1a.

  In the middle of pushing the guide plate stopper 5 to the side surface of the second guide plate 4, the taper slope 5 a part warps in parallel with the side surface of the guide plate 4, and the part other than the taper slope 5 a is opposite to the side surface of the second guide plate 4. To warp. In other words, when the guide plate stopper 5 is pushed in, for example, by placing a finger near the through hole of the guide plate stopper 5, the guide plate stopper 5 is elastically deformed and is opposite to the second guide plate 4 side. It will be pushed in in a state of warping.

  When the guide plate stopper 5 reaches the side surface of the second guide plate 4, the guide plate stopper 5 is firmly brought into close contact with the side surface of the second guide plate 4. The second guide plate 4 is warped. In other words, the guide plate stopper 5 that has been warped in the opposite direction to the guide plate 4 side during pushing is warped in the opposite direction.

As a result, as shown in FIG. 4, the tapered inclined portion 5a is slightly lifted with respect to the peripheral surface of the holder portion 1a and the side surface of the guide plate 4, and the guide plate stopper 5 is elastic to eliminate the lifted state. The force to be deformed acts as an urging force, and the portions other than the tapered inclined portion 5 a are in close contact with the side surface of the second guide plate 4. In this state, the film product 2a can be wound up on the core 2 for the first time.
4 shows a state in which the winding core 2 and the guide plates 3 and 4 are held by the holder portion 1a of the holder 1, and these are fixed by the guide plate stopper 5, and the winding in the state assembled in this way is shown. It is sectional drawing which cut off the core pressing jig by the plane containing a centerline.

  Although the present invention has been described with reference to the preferred embodiment, it is needless to say that the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the present invention. .

  For example, in the above-described embodiment, the core 2 and the guide plates 3 and 4 are separately formed. However, they may be integrally formed. As long as the various winding cores 2 corresponding to the slit width of the film product 2a can be mounted coaxially with respect to the holder 1 and can prevent axial deviation, the specific mode is arbitrary. .

  As described above, the present invention provides a winding core pressing jig for fixing a winding core for winding a belt-like object, and a winding device and a slitter apparatus including such a winding core pressing jig.

It is a disassembled perspective view which shows the outline of embodiment of the winding core pressing jig which concerns on this invention. FIG. 2 is a cross-sectional view of the winding core pressing jig shown in FIG. 1 cut along a plane including its central axis. It is a partially cutaway perspective view of a guide plate stopper. FIG. 2 is a cross-sectional view taken along a plane including the center line in a state where the winding core holding jig shown in FIG. 1 is assembled. It is a perspective view which shows the state which decomposed | disassembled the winding part of the conventional winding apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Holder 1a Holder part 1b Flange part 2 Winding core 2a Film product 3 1st guide plate 4 2nd guide plate 5 Guide plate stopper 5a Taper inclination part

Claims (10)

A holder attached to a winding shaft on the winding device side for winding the belt-like object;
A winding core mounted on the holder, a first guide plate, a second guide plate, and a guide plate stopper;
Comprising at least
The holder includes a holder portion that holds the winding core, the first guide plate, and the second guide plate, and a flange portion that is erected on the holder portion,
The winding core, the first guide plate, and the second guide plate have a through hole, and are attached to the holder by inserting the holder portion into the through hole,
The first guide plate and the second guide plate guide the belt-like object wound around the winding core on both sides of the winding core,
The guide plate stopper is fixed to the holder portion so as to press the winding core, the first guide plate, and the second guide plate against the flange portion,
The guide plate stopper, it becomes an elastic body, the center through-hole of the guide plate stopper is provided, and side surfaces of the through holes, have a gradient in the thickness direction, the holder portion in the through-hole The winding core pressing jig, wherein the guide plate stopper is fixed to the holder portion by being inserted .   The winding core pressing jig according to claim 1, wherein the guide plate stopper is a disk-shaped elastic body.   The winding core pressing jig according to claim 1, wherein the guide plate stopper has a thickness of 2 to 2.5 mm.   The core pressing jig according to any one of claims 1 to 3, wherein a material of the guide plate stopper is neoprene or silicon rubber.   The core pressing jig according to any one of claims 1 to 4, wherein a ratio of an inner diameter of the guide plate stopper to an outer diameter of the holding portion of the holder is 0.8 to 0.95.   The winding core pressing jig according to claim 5, wherein a ratio of an outer diameter to an inner diameter of the guide plate stopper is 1.3 to 1.6.   The winding core pressing jig according to any one of claims 5 to 6, wherein a ratio of an inner diameter to a thickness of the guide plate stopper is 27 to 34.   The winding core pressing jig according to claim 1, wherein the inclination is 30 ° to 40 ° with respect to the guide plate stopper thickness direction.   The winding device provided with the winding core pressing jig of any one of Claims 1-8.   A slitter device comprising the winding device according to claim 9.

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