JPS6037275Y2 - Core roll trim automatic cutting and separation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic trim cutting and separating device for separating the trim of a core-wound roll into its core portion and log portion.

A core-wound roll body, like toilet paper, is formed by wrapping a web multilayer (hereinafter referred to as a log) around a cylindrical core.
A long roll is made by winding a long web around a long core.
This is manufactured by cutting it into a predetermined size. At this time, as shown in FIG. 1, both ends of the long roll body 1 are cut off by a width W (approximately 25 to 35 mm) because the web becomes uneven. Ru.

The cut end portion (trim) 3 of the roll body is separated and sorted into a core portion 4 and a log portion 5 for reprocessing and reuse.

Conventional methods for separating the winding core part 4 and log part 5 in the trim 3 include manually pulling out the winding core part 4 from the log part 5 and separating the winding core part 4, or separating the trim 3 using a trim cutting and separating device called a trim cutter. This was done by manually feeding each piece one by one, but this conventional trim separation method had the problem that the work (manual separation work and trim feeding work to the trim cutter) was troublesome and required manpower. .

The present invention was devised in view of the problems of the conventional trim separation method described above, and is an automatic trimming method that automatically and continuously supplies the trim of the core roll to the trim cutter without any manual effort. The object of the present invention is to provide an incision and separation device.

Hereinafter, the automatic trim cutting and separating device for core wound rolls of the present invention will be explained based on the illustrated embodiments.
The automatic trim cutting and separating device according to the embodiment of the present invention shown in the figure has a trim guide rod 32 in the form of a straight bar whose rear end 32b side is supported in a cantilever manner.
A trim cutter C acts to cut the trim 3 fitted into the trim 3 with a round knife 34 and separate it into the winding core part 4 and the log part 5. The trim guide member 9 is used to continuously guide the trim guide member 9 to the front position of the trim guide rod tip 32a of the trim cutter C, and the trim 3 guided to the front position of the trim guide rod tip 32a is inserted into the trim guide rod 32. and a trim supply device B consisting of a pusher device 24.

Further, in the illustrated embodiment, the trim automatic cutting and separating device cuts the long roll body 1 into predetermined dimensions and separates the core-wound roll bodies 2, 2 and 2.
・Equipment for manufacturing (hereinafter referred to as log cutter) A
The trim 3 of the long roll body 1 to be cut by the log cutter A can be continuously transferred and supplied to the trim cutter C side.

The log cutter A cuts a long roll by using a round knife 7 that revolves around an axis 8 while rotating in a vertical plane perpendicular to the length direction of the long roll body 1 supplied into the log cutter A. It is constructed so that the body 1 can be cut into core-wound roll bodies 2, 2, . . . of predetermined dimensions.

This cut core-wound roll body 2 is carried on a conveyor (not shown)
The cut end (trim 3) of the long roll body 1 falls downward from the outlet of the log cutter A.

Below the exit of log cutter A is a first
A conveyor 10 is provided.

Further, a second conveyor 15 that runs horizontally and at right angles is disposed at the leading end of the first conveyor 10, and the trim to be cut by the log cutter A is cut by the first and second conveyors 10.15. 3 is transferred to the vicinity of the trim cutter C.

At the top of the first conveyor 10, there is a guide plate 11 formed by two horizontally long side plates 12 and 12 arranged side by side on both sides of the conveyor 10.
is installed.

The first conveyor 10 and the guide plate 11 constitute a trim receiving member 30 for receiving the trim 3.

Near the exit 13 of the guide plate 11, both side plates 12.degree. 12 are narrowed inwardly to form a narrow width.

The width near the guide plate exit 13 is formed to be slightly larger than the diameter L of the trim 3 (FIG. 1), and the trims 3, 3, etc. transferred on the first conveyor 10 are connected to the guide plate exit. They are arranged to pass in a line around 13.

Further, a rod 14 is installed on this guide plate 11 so as to straddle the two side plates 12 and 12.

This rod 14 is used to tilt the trim 3 horizontally when it falls onto the first conveyor 10 and stands vertically with its radial direction facing up and down. It is installed at a height from the upper surface of the conveyor 10 that is smaller than the diameter of the trim 3 and larger than the width W (FIG. 1).

The second conveyor 15 is arranged at a position lower than the exit side end of the first conveyor 10.

The width W of the trim 3 (25 to 3
A guide plate 16 consisting of two horizontally long side plates 17 and 17 arranged side by side with an inner width (approximately 40 to 5 degrees TIWL) larger than 5 mm) is disposed.

This guide plate 16 is for transporting the trim 3 on the second conveyor 15 in a vertically erect state.

The upper opening of the guide plate 16 near the trailing end (near the guide plate outlet 13 on the first conveyor 10 side) is located at the entrance 1.
8, and the front opening at the leading end thereof becomes the outlet 19.

A cylindrical guide case 20 having an arcuate trim passage 21 inside is interposed between the outlet 13 of the guide plate 11 on the first conveyor 10 side and the outlet 18 of the guide plate 16 on the second conveyor 15 side. It is set up.

This guide case 20 is for guiding the trim 3 transferred horizontally on the first conveyor 10 so that it stands vertically on the second conveyor 15, and serves as the entrance 22 of the trim passage 21. The upper opening opens laterally toward the guide plate outlet 13 on the first conveyor 10 side, and the lower opening, which becomes the outlet 23 of the trim passage 21, opens downward above the guide plate inlet 18 on the second conveyor 15 side. are doing.

Note that the width of the trim passage 21 in the lateral direction is equal to that of the trim 3.
The outer plate 20 of the guide case 20 is slightly larger than the diameter of the guide case 20.
The interval between the inner surface of the inner plate 20b (FIG. 4) is designed to have an inner width (approximately 5 own) that is somewhat larger than the width W of the trim 3, and the trim 3 passing through the trim passage 21 is The guide plate can be reliably guided into the guide plate entrance 18 on the second conveyor 15 side.

In the illustrated embodiment, the guide case 20 and the guide plate 16 on the second conveyor 15 side constitute a series of guide members 9 for guiding the trim 3 toward the trim cutter C side. The guide plate outlet 19 becomes the outlet Y of the guide member 9.

A stopper 40 is disposed in front of the outlet Y of the guide member 9 at a distance slightly longer than the diameter of the trim 3 from the outlet Y.

This stopper 40 is for stopping the progress of the trim 3 transferred by the second conveyor 15 at a position forward from the guide member outlet Y.

Further, a sensing member (limit switch) 41 is attached to this stopper 40 to sense when the trim 3 comes into contact with the stopper 40.

Further, near the exit Y of the guide member 9, a trim cutter C, which has already been developed by the inventor of the present invention, is arranged.

This trim cutter C uses a round knife 34 rotated by a motor 33 to sequentially and continuously cut trims 3, 3, . It is configured such that it can be cut in the radial direction and then the cut trim 3 can be separated and sorted into a winding core part 4 and a log part 5 by a separating device 35.

The trim guide rod 32 of the trim cutter C is formed of a round rod with an outer diameter slightly smaller than the hole 6 of the winding core 4 of the trim 3.

This trim guide rod 32 is oriented perpendicularly to the guide plate 16 on the second conveyor 15 side at the same height as the winding core hole 6 of the trim 3 transferred on the second conveyor 15. The trim insertion side tip 32a of the trim insertion side is disposed so as to pass through the side plate 31a of the casing 31 and be located near the front of the outlet Y of the guide member 13.

That is, the trim guide rod 32 is arranged concentrically with the center of the winding core hole 6 of the trim 3 at the position where the trim 3 transferred on the second conveyor 15 is stopped by the stopper 40, and The rod tip 32a is arranged so as to be close to the trim winding core hole 6 at an appropriate distance.

Note that the trim guide rod 32 has its rear end 32b connected to the bracket 3.
2c, the casing 31 is supported in a cantilever manner on the outer surface of the rear side plate 31b.

In front of the trim guide rod tip 32a, there is a reciprocating pusher device 24 for pushing the trim 3 toward the trim guide rod tip 32a with the trim 3 being transferred immediately in front of the trim guide rod tip 32a. It is located.

This pusher device 24 is connected to the rod 2 of the air cylinder 25.
6, a push plate 27 is attached to the tip.

This pusher device 24 is arranged so that its push plate 27 moves back and forth coaxially with the trim guide rod 32.

Further, the push plate 27 has a front plate 28 and a side plate 29 integrally formed in a shape, with the front plate 28 serving as a trim pressing portion and the side plate 29 serving as a stopper for stopping the subsequent trim 3.

Note that the upper end of the front plate 28 of the push plate 27 is made to protrude upward from the upper end of the trim 3 located on the second conveyor 15.

This front plate upper protrusion 28a is trimmed by the push plate 27.
When the trim guide rod tip 32a is press-fitted into the trim guide rod tip 32a, it is brought into contact with a limit switch 42 for air cylinder contraction, which will be described later.

The air cylinder 25 of the pusher device 24 is configured to expand upon receiving a signal from the limit switch 41 attached to the stopper 40 when the trim 3 comes into contact with the limit switch 41.

On the other hand, a limit switch 42 is arranged above the trim guide rod tip 32a.

This limit switch 42 is arranged at a position where it comes into contact with the upper protrusion 28a of the push plate front plate 28 when the trim 3 is press-fitted into the trim guide rod tip 32a by the push plate 27. When the push plate front plate 28 comes into contact, the air cylinder 25 contracts in response to the signal.

Next, to explain the operation of the trim cutting and separating device of this embodiment, the trim 3 cut by the log cutter A sequentially falls from the outlet of the log cutter A onto the first conveyor 10, and is further forwarded by the first conveyor 10. will be transferred to.

And the trim 3 is the guide plate 1 on the IT conveyor 10 side.
1 are arranged in a line near the exit 13 of the guide case 20 and are sequentially fed into the trim passage 21 of the guide case 20,
It falls from the outlet 23 onto the second conveyor 15.

At this time, the trim 3 is supplied vertically upright into the entrance 18 of the guide plate 16 on the second conveyor 15 side.

Subsequently, the trim 3 placed on the second conveyor 15 is transported forward by the second conveyor 15 while being guided by the guide plate 16, and comes into contact with the stopper 40 to stop its progress.

At that time, the trim 3 comes into contact with the limit switch 41 attached to the stopper 40, and upon receiving a signal from the limit switch 41, the air cylinder 2 of the pusher device 24
5 is expanded, and the push plate 27 operates to press and fit the trim 3 into the trim guide rod tip 32a.

Note that when the air cylinder 25 is extended, the side plate 2 of the push plate 27
9 closes the exit Y of the guide member 9, the subsequent trim 3 transferred on the second conveyor 15 is stopped at the exit Y of the guide member 9.

At the same time as the air cylinder 25 extends and finishes fitting the trim 3 into the trim guide rod tip 32a, the upper protrusion 28a of the push plate front plate 28 contacts the limit switch 42, and in response to the signal, the air cylinder 25 contracts.

In addition, since the guide member outlet Y is opened at that time,
The next trim 3 to be transferred on the second conveyor 15 is the push plate 2
7 and the trim guide rod tip 32a.

The trim supply device B operates to repeat the above-described operation and automatically supply a large number of trims 3, 3, . . . to the trim guide rod 32 continuously.

The trims 3, 3... supplied to the trim guide rod 32 are
The succeeding trim 3 is pushed into the rear side of the trim guide rod 32 one after another, and the cut 3a (
Figure 6) is inserted.

The trim 3 having the cuts 3a is further pressed rearward and separated into a core portion 4 and a log portion 5 by a trim separation device 35 provided on the rear side plate 31b of the casing 31 of the trim cutter C.

As shown in FIG. 6, this trim separation device 35 prevents the log portion 5 of the trim 3 from passing through the hole 37 by a log stopper member 36 attached to the inner surface of the rear side plate 31b of the casing 31, and also prevents the log portion 5 of the trim 3 from passing through the hole 37. It acts to cut out only part 5 and drop it below.

In addition, the winding core 4 passes through the hole 37 as it is and is inserted into the rear side plate 31.
However, the winding core 4 is removed from the trim guide rod 32 by the winding core removing device 38 as shown in FIG.

That is, the winding core removing device 38 removes the tip 3 of the sprocket 39.
By pressing the lower surface of the winding core part 4 with 9a,
The cut portions of the winding core 4 are configured to open outward so that the winding core 4 can be forcibly dropped from the trim guide rod 32.

In this embodiment, the trim supply device B is connected to the log cutter A so that the trim 3 generated by the log cutter A can be automatically transferred and supplied to the trim cutter C, but other embodiments may be used. In this case, it is also possible to separate trim supply device B from log cutter A, in which case trim 3
A trim receiving member 30 such as a hopper capable of receiving a large number of trims 3 is disposed at the entrance of the guide member 9 for transferring the trims 3 to the front of the pusher device 24, and the trims 3 are automatically transferred to the guide member 9 one after another from the hopper. It may also be supplied.

In this case, if the trim receiving member 30 is of a vibrating type, the trim 3 can be smoothly supplied.

Next, to explain the effect of the present invention, the trim automatic cutting and separating device of the present invention has a trim guide rod 32 at the tip of a trim cutter C for cutting the trim 3 and separating it into the winding core part 4 and the log part 5. 32a, the trim receiving member 30
The trim guide member 9 continuously automatically supplies a large number of trims 3.3... from the trim guide rod tip 32.
a The trim 3 supplied to the front is sequentially moved to the butcher device 24
Since the trim 3 is inserted into the trim guide rod 32 of the trim cutter C, the work of inserting the trim 3 into the trim guide rod 32 of the trim cutter C is automatically performed without any manual effort, and the labor cost for this can be reduced. There is an effect that it can be done.

If the trim receiving member 30 for receiving the trim 3 is connected to the trim outlet of the log cutter A as in the illustrated embodiment, the trim 3 generated by the log cutter A can be transferred to the winding core portion 4 and the log portion 5. The entire process up to separation and sorting can be automated.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a long roll body and its trim, FIG. 2 is an overall perspective view of a core wound roll trim cutting/separating device according to an embodiment of the present invention connected to a log cutter, and FIG. 3 is a perspective view of a long roll body and its trim. 2 is a vertical sectional view of the trim cutting and separating device shown in FIG. 2, FIG. 4 is a partial longitudinal sectional view of the trim cutting and separating device shown in FIG. 6 and 7 are a partially perspective view and a partially sectional view, respectively, showing the operation of the trim cutter shown in FIG. 2. A: Log cutter, B: Trim supply device, C: Trim cutter, Y:
・Guide member exit, 3...Trim, 4...
... Winding core portion, 5... Tag portion, 6... Winding core hole, 9... Trim guide member, 24...
・Pusher device, 30... trim receiving member,
32...Trim guide rod, 32a...Tip, 32b...Rear end, 34...Knife.

Claims (1)

[Scope of utility model registration request] A straight trim guide rod 3 whose rear end 32b side is supported in a cantilever manner.
A donut-shaped trim 3 formed by winding a log part 5 on a short winding core part 4 is fitted onto the tip 32a side of the trim 3, and the trim 3 is arranged so that the top of the trim guide rod 32 is directed toward the rear end 32b. a trim cutter C that acts to cut the trim 3 with a knife 34 and separate the trim 3 into the core portion 4 and the log portion 5 while being transferred; and a trim receiving member that receives the trim 3. 30, the trim 3 in the trim receiving member 30 is guided to the front position of the trim guide rod tip 32a of the trim cutter C, and the trim 3 is held coaxially with the trim guide rod 32. A core winding roll characterized in that a trim guide member 9 that functions is provided, and the trim 3 held at the front position of the trim guide rod tip 32a is inserted into the trim guide rod 32 by a pusher device 24. Trim automatic incision separation device.