JPH0419008Y2 - - Google Patents

Description

[Detailed description of the invention] {Industrial field of application} The present invention is a method for winding a sheet material around a winding shaft in order to make the ends of the material roll uniform in the thickness direction of the material. An end waste take-up in which one or both ends of the sheet-like material roll are cut into an annular shape in a direction perpendicular to the axial direction of the take-up shaft from the outer periphery of the roll to the surface of the take-up shaft. The present invention relates to a device for removing the main body winding part in the direction of the winding shaft end, leaving the main body winding part intact.

{Prior Art} Conventionally, when winding a sheet-like material such as a nonwoven fabric, a knitted fabric, an RO membrane, or a film, one end of the sheet-like material, Alternatively, both ends are cut in an annular shape in a direction perpendicular to the axial direction of the winding shaft from the outer periphery of the winding body to the surface of the winding shaft, and the cut end waste winding portion is manually wound into the main body. The removal work was carried out in the direction of the end of the winding shaft, leaving the removal part intact. In other words, in the above-mentioned manual removal work of the end waste winding section, the main body winding section of the central part wound around the winding shaft is supported with one hand, and the end waste winding section is held with the other hand. By pulling it out in the direction of the end of the winding shaft, the end waste winding part is removed from the winding shaft, leaving the main body winding part.

{Problem to be solved by the invention} However, according to the above-mentioned manual removal work of the end waste winding part, when the end waste winding part is pulled out from the winding shaft, the winding shaft collects the end waste. The main body winding section, which was pulled out together with the winding section and was supported with one hand, and the winding shaft were often misaligned, causing the main body winding section to lose its shape. Furthermore, since the main body winding section is directly touched by the hand, the main body winding section may be damaged or soiled.

The purpose of this invention is to eliminate the above-mentioned conventional drawbacks, and to prevent the end waste winding part from losing its shape to the main body winding part, and to prevent damage and dirt on the main body winding part. It is an object of the present invention to provide a device for removing an end waste winding part of a sheet-like material roll-up body, which can automatically pull out the end waste winding part from a winding shaft without causing the winding.

{Means for solving the problem} In order to achieve the above object, the present invention has the following configuration. That is, one end or both ends of the sheet-like material wound around the winding shaft are perpendicular to the axial direction of the winding shaft from the outer periphery of the winding body to the surface of the winding shaft. In a device for removing an annularly cut end waste winding part in the direction of the end of the winding shaft, leaving the main body winding part, (a) a conveying device for the sheet-like material roll; (b) a conveying device for the sheet-like material roll; a sheet-like material roll pushing device for pushing the sheet-like material roll into the following end waste winding section removal member; c. It has a thickness that fits into the cut gap between the take-up part and the main body take-up part,
an end scrap having a recess with a width larger than the diameter of the winding shaft at a position in the pushing direction corresponding to the winding shaft of the sheet winding body when the sheet winding body is inserted; A take-up part removal member (d) equivalent to the diameter of the take-up shaft that comes into contact with the end of the take-up shaft on the end waste take-up part side of the sheet-like material roll pushed into the end waste take-up part removal member. or a take-up shaft fixing member having a diameter smaller than that; (e) When the take-up shaft fixing member comes into contact with the end of the winding shaft on the end waste winding part side, the end waste winding part removal member is removed. An end waste winding part removing device of a sheet-like material winding body, comprising: an end waste winding part removing member movable means that is movable in the direction of the end of the winding shaft.

Hereinafter, the apparatus of the present invention will be explained based on an embodiment shown in the drawings.

FIG. 1 is a perspective view of a device for removing end waste winding portions of a sheet-like material roll-up body according to the present invention.

FIG. 2 is a side view of a device for removing end waste winding portions of a sheet-like material roll-up body according to the present invention.

FIGS. 3A and 3B are a side view and a front view, respectively, of the end waste winding section removal member applied to the device of the present invention.

FIG. 4 is a side view showing one embodiment of the winding shaft fixing member applied to the device of the present invention.

In the figure, P is a sheet-like material roll;
The sheet-like material roll P is wound around a hollow cylindrical winding shaft 2 and the winding shaft 2, and both ends are preliminarily cut from the outer periphery of the winding shaft by a device (not shown). End waste winding portions 3, 3' are cut into an annular shape in a direction perpendicular to the axial direction of the winding shaft up to the surface thereof.
and a main body winding section 1.

5 is a product moving conveyor for conveying the sheet-like material roll P from the step of cutting off the end waste winding portions 3, 3' (not shown);
As shown in FIG. 2, the sheet material roll P is driven by a cylinder 7 attached to a frame and is conveyed by the conveyor 5 with the rotation center O as a viewpoint, from the position indicated by a solid line to the broken line shown below. This is a sheet-like material roll pushing device that swings and rotates to the position where it is pushed into the end waste winding section removal members 8, 8'.

8 and 8' have a thickness that fits into the cut gap 4 between the end waste winding parts 3 and 3' of the sheet-like material roll P and the main body winding part 1; When the sheet-like material winding body P is inserted, recesses 9, 9' having a width larger than the diameter of the winding shaft are formed at positions in the pushing direction corresponding to the winding shaft 2 of the sheet-like material winding body P. It is an end waste winding part removal member provided with.

As shown in FIGS. 3A and 3B, the end waste winding part removal members 8 and 8' have a straight portion at the tip that contacts the main body winding part side, and a straight part of the end part that comes into contact with the main body winding part side. The part that comes into contact with is tapered and has a single-edged knife shape that is sharpened toward the tip. It is designed to be easy to fit into.

10, 10' are moved by cylinders 11, 11' to remove the end waste winding part side of the sheet-like material roll P pushed into the end waste winding part removal members 8, 8'. A take-up shaft fixing member that comes into contact with the end of the take-up shaft,
The winding shaft fixing members 10, 10' are fixed to the winding shaft 2,
2', so as not to become an obstacle when the end waste winding parts 3, 3' are removed from the winding shafts 2, 2', and As shown in FIG. 3, it is formed into a conical shape with a tapered tip, and the diameter of the bottom of the cone is made slightly smaller than the inner diameter of the hollow part of the winding shaft 2, so that it can be easily inserted into the hollow part of the winding shaft 2. It is designed to be guided and inserted into a central position.

12, 12' are the winding shaft fixing members 10, 1
0' comes into contact with the ends of the winding shafts 2, 2' on the side of the end waste winding part, when the end part waste winding parts 3, 3' of the sheet-like material winding body P and the main body winding This cylinder is used to move the end waste winding section removing members 8, 8', which are fitted into the cut gap 4 between the winding section 1 and the winding section 1, toward the end of the winding shaft.

{Function} Next, the function of the device according to the present invention will be explained.

A sheet-like material roll P whose both ends are cut into an annular shape in a direction perpendicular to the axial direction of the winding shaft from the outer periphery of the winding body to the surface of the winding shaft by a device not shown, The waste is conveyed to the end of the conveyor 5 to the entrance of the waste winding section 8, 8'. Next, the sheet-like material roll-up device 6 pushes the sheet-like material-like material roll P toward the end waste winding section removal members 8, 8', as shown in FIG. The cut area between the waste winding parts 3, 3' and the main body winding part 1
The end waste winding part removal members 8, 8' are fitted into the space 4, and the end waste winding part removal members 8, 8' are inserted along the recesses 9, 9' provided at positions corresponding to the winding shaft 2 of the sheet-like material winding body P. Then, the winding shaft 2 is fitted. Here, at the entrance of the conveyor 5, the end waste winding part removal members 8, 8' and the sheet-like material roll P are connected to the end waste winding part removal members 8, 8'. The cut area between the waste winding parts 3, 3' and the main body winding part 1
Align it so that the gap 4 fits properly.

Next, the winding shaft fixing members 10 and 10' are brought into contact with the end of the winding shaft 2 by the cylinder 11, and
By moving the cylinder 12, the end waste winding section removal members 8, 8' are moved in the direction of the end of the winding shaft 2, and the end waste winding sections 3, 3' are removed from the winding shaft fixing members 10, 1.
Pull it out to a position above 0'.

When the above-mentioned extraction is completed, the winding shaft fixing member is returned to the standby position, and the conveyor 5 is moved to remove the end waste winding part 8,
8' is moving to the outside of the conveyor 5, the sheet-like material roll P in which only the main body winding part 1 remains on the conveyor 5 around the winding shaft 2 is moved to the next process, Then, the end waste take-up part removal members 8, 8' are returned to the standby position. This completes one cycle of removing the end waste winding section.

In the embodiment described above, the end waste winding portion is removed from both ends, but it may be removed from only one end if necessary. Moreover, although the end waste winding portions are removed at both ends at the same time, they may be removed separately.

{Effects} Since the present invention has the configuration and operation described above, the present invention has the following effects.

That is, the end waste winding part can be easily removed without causing the main body winding part to lose its shape, and automation is possible. Furthermore, since the main body winding section is not directly touched by hands, the main body winding section is not damaged or soiled.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a device for removing end waste winding portions of a sheet-like material roll-up body according to the present invention. FIG. 2 is a side view of a device for removing end waste winding portions of a sheet-like material roll-up body according to the present invention. Figure 3 A and B are
They are a side view and a front view, respectively, of an end waste winding section removal member applied to the device of the present invention. FIG. 4 is a side view showing one embodiment of the winding shaft fixing member applied to the device of the present invention. Explanation of symbols in the drawings: P... Sheet-like material winding body, 1... Main body winding section, 2... Winding shaft, 3, 3'
... end waste winding section, 4 ... cut gap between end waste winding section and main body winding section 1, 5 ... product moving conveyor, 6 ... sheet-like material winding body Pushing device, 8, 8'... end waste winding part removal member, 10,
10'... Winding shaft fixing member.

Claims (1)

[Claims for Utility Model Registration] One end or both ends of the sheet-like material wound around the winding shaft extend from the outer periphery of the winding body to the surface of the winding shaft. A device for removing an end waste winding section cut into an annular shape in a direction perpendicular to the axial direction in the direction of the end of the winding shaft, leaving the main body winding section; (b) A sheet-like material winding body pushing device for pushing the sheet-like material winding body onto the above-mentioned conveying device into the following end waste winding section removal member; (c) A sheet-like material winding body pushed by the above-mentioned pushing device; having a thickness that fits into the cut gap between the end waste winding part and the main body winding part;
An end waste winding having a recess with a width larger than the diameter of the winding shaft at a position in the pushing direction corresponding to the winding shaft of the sheet winding body when the sheet winding body is inserted. Take-up part removal member, (d) Equal to or larger than the diameter of the take-up shaft that comes into contact with the end of the take-up shaft on the end waste take-up side of the sheet-like material winding body pushed into the end waste take-up part removal member. A take-up shaft fixing member having a diameter of An end waste winding part removal device for a sheet-like material roll-up body, comprising: an end waste winding part removal member movable means that is movable in the direction of the end.