JPS5940686B2 - Banding method and device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for bundling together lottery tickets, admission tickets for theaters, etc., slips bound together with glue, several notebooks, and the like.

Conventionally, this type of banding generally utilizes paper tape and attaches it with glue.

However, until the glue dries, the adhesive portion moves slightly in the shearing direction, and the band seal inevitably loosens. There is also a method of banding with one side coated with hot-melt adhesive, then placing the adhesive-coated side on one end over the non-adhesive side and sealing by heating and pressing. Adhesion is weak and impractical.

The purpose of the present invention is to improve the shortcomings of these conventional techniques, and to provide a method for banding that is strong, durable, and efficient using a tape coated with hot-melt adhesive on one side, and a method thereof. This is to provide the device to the market.

This invention involves sandwiching the tip of a tape coated with a hot-melt adhesive on at least one side, supplying a laminated wrapping material from the adhesive-coated side, and covering the tape with the adhesive-coated side facing inside. Wrap the tape tightly around the wrapping material, align the base side of the tape with one side of the laminated wrapping material, and let it extend from the ridgeline of the laminated wrapping material without bending it. The tape is bent 900 degrees in the opposite direction, the tape is sandwiched and heated near the ridgeline, and the tape is banded and sealed. At the same time, the tape that continues on the supply side is cut into a length longer than the remaining end of the sealed portion on the tip side, and then this longer end is A banding method characterized by laying down the remaining ends of the pair so that they are on the outside, applying heat and pressure from the outside, melting the adhesive applied to the longer remaining end, and adhering it to the outer surface of the banding. It is.

Next, another invention, that is, an apparatus invention, will be explained based on the illustrated representative embodiment.

A horizontal table 11 attached to a machine frame 10 is divided into a setting station 12 and a strapping station 13. Between these two stations 12 and 13, a groove 14 is formed on the table surface in a direction perpendicular to the transfer direction. Above the set station 12, there is a tape reel support device 16 that supports a roll of tape 15, which is coated with a hot melt adhesive on one side and serves as a band.
is provided on the machine frame 10, and a brake is applied to this support device 16 to prevent the Teple reel from rotating freely.

The above-mentioned braking is the same whether it is applied directly to the tape reel or tape or indirectly. A cutter 18 for cutting the tape 15 is removably installed on the bottom surface 17 of the groove 14;
A razor blade-shaped cutter 18 is provided to protrude and retract from a slit 19 provided in the slit 19 . 20 is this slit 19
The groove 1 immediately on the carry-in side, that is, near the set station 12
4, and is connected to a vacuum pump (not shown) via a hose 21.

The wall 22 of the groove 14 on the side of the strapping station 13 is a vertical wall, and is perpendicular to the direction in which the strapping item A is conveyed from the setting station 12 to the strapping station 13. A flat window is bored at the top end of the vertical wall 22 at the position where the tape 15 is to be hooked. A flat heat sealer 23 that reciprocates to the upper end of the vertical wall is provided, and a sealer receiving and tape pressing member 24 is provided at a retracted position above the groove 14, and when this member 24 descends from the retracted position, this band hooking station The sealer receiving surface 25 on the 13 side is in contact with the vertical wall 22 or at a position slightly separated from the vertical wall 22 by the thickness of the tape 15, and its lower end is shaped to abut against the bottom of the groove 14. The stroke of the receiving and holding member 24 is set from the retracted position until it hits the bottom surface 17.

A cutter relief groove 26 is provided at a position corresponding to the cutter 18 upwardly from the lower end surface of the sealer receiver/tape presser member 24 .

A tape holding member 27 is provided in the groove 14 and moves back and forth from a retracted position near the set station 12 to a position where it abuts against the vertical wall 22.

On the table surface of the set station 12, there are wrapped items A such as stacked lottery tickets, pasted slips, etc.
Pass several notebooks, etc. over the groove 14 to the obi hanging station 1.
Conveying device 2 equipped with extrusion member 28 for conveying up to 3
In the retracted position, the pushing member 28 is moved back enough to place the wrapping material A on the table surface of the set station 12, and in the forward position, the pushing surface 30 of the pushing member 28 is , to the point where it meets the vertical wall 22 of the groove 14 (see the two-dot chain line in FIG. 2). Above the banding station 13, a banding wrapping auxiliary device 32 is provided which has a tape temporary pressing member 31 that presses down the tape 15 hooked to the article A fed onto the station. The lower surface of the temporary holding member 31 is formed into a roller 31a to reduce friction.

Next, move from the setting station 12 to the obi hanging station 1.
Up to 3, the movements and actions of the constituent parts through which the strapping item A is transported and strapped will be explained.

First, the tape 15 is supported on the tape reel support device 16 so that the single-sided hot-melt adhesive side faces the set station 12, and braking is applied to prevent the tape from speeding up.

Then, the tape 15 is pulled out, its tip is allowed to hang down into the groove 14, and is sucked into the vacuum suction hole 20. At this time, the cutter 18, the heat sealer 23, the sealer receiver and tape presser 24, the extrusion member 28, and the tape temporary presser member 31 are all placed in the retracted position as shown in FIG. Then, the cover A is placed on the setting station 12.

Next, the tape holding member 27 is moved in the direction of the strapping station 13, and the tip of the tape 15, which has been sucked into the vacuum suction hole 20, is peeled off and held between the vertical wall 22.

At the same time, the push-out member 28, which started moving forward, moved the cover A on the set station 12 into the groove 14.
When the tape 1 is transferred toward the obi hanging station
5 are pushed by the wrapping material A and successively pulled out from the tape reel (see FIG. 3). Therefore, the extrusion member 28
When the extrusion surface 30 of is flush with the vertical wall 22,
The tape temporary pressing member 31 descends from the retracted position and presses the article A together with the tape 15, which is hooked on the article A without loosening, against the table surface of the strapping station 13. Next, the extrusion member 28 and tape clamping member 27 are returned to their original positions. At this time, the tape 15 is bent into a U-shape along the three outer peripheral surfaces of the wrapping material A with the hot melt adhesive on the inside. Next, the sealer receiving and tape pressing member 24
is lowered, and its sealer receiving surface 25 slides down on the rear end surface of the article A on the table surface of the strapping station 13, and the tape 15 connected to the tape reel is lowered.
Fold it at right angles to the upper edge of the rear end of the wrapping material A,
As the sealer receiving and tape pressing member 24 descends, the tape 1
The tape 15 is pulled out from the tape reel, follows the rear end surface of the wrapping material A and the vertical wall 22, and is finally pressed against the bottom surface 17 of the groove 14 by the sealer receiving and tape pressing member 24. At this time, the cutter 18 rises and the slit 1
9 and cut the tape 15. When this sealer receiving and tape pressing member 24 is at the lower limit position, the heat sealer 23 is applied to the table 11 at the position of the band hooking station 13.
From below, move to the top end position of the vertical wall 22 and press the heat sealer 23 and the sealer receiving surface 2 of the sealer receiving and tape pressing member 24.
5, both ends of the cut tape 15a are heat-welded at the lower edge of the article to be wrapped A (see FIG. 4).

Thus, the heat sealer 23, the sealer receiving/tape holding member 24, the cutter 18, and the tape temporary holding member 31 all return to their original retracted positions, and the operations from the setting station 12 to the strapping station 13 complete one cycle.

During this time, place the next new wrapping item A at the set station 1.
2 on the table 11. The leading end of the cut tape that is connected to the newly formed tape reel is in a state where it is sucked into the vacuum suction hole 20. Ima Obikake Station 13
After the heat sealer 23, the return operation of the sealer receiver/tape holding member 24, and the evacuation of the tape temporary holding member 31, the article A1 temporarily banded above is moved to the length of the groove 14 by the extrusion member 33 of the second conveyance device. direction, i.e. set station 12
The extrusion member 33 is then transported to the banding finishing station 34 in a direction perpendicular to the direction in which it is transported to the banding station 13, and after this transport, the extrusion member 33 returns.

In this case, the two remaining ends 38 and 3 extending from the welded part 37 of the tape 15a welded with the heat sealer 23 of the temporarily sealed article A sent out from the strapping station 13
9 is cut later and the extra end 39 formed is the other extra end 3
8, and these are in a state of hanging down along the rear surface of the wrapping material A.

When the presser member 36 of the presser device 35 provided above the band-sealing station 34 descends and presses the covered seal A1 on the band-sealing finishing station 34 and fixes it in a predetermined position, the finishing heat sealer 40 is applied to the remaining end 39. The two remaining ends 38 and 39 are slid from the outside along the lower surface of the wrapped object A1, and these remaining ends 38 and 39 are heated and brought down to the lower surface and welded by pressure welding and returned. At the same time, the presser member 36 is also retracted upward.

These sequence operations are repeated, and these sequence controls are performed by purely mechanical cams, levers, links,
It may be performed by a combination of gears, etc., or each reciprocating movement may be performed by a hydraulic or pneumatic cylinder device, and the solenoid valve that controls this movement may be operated by an electric or electronic sequencer control device. However, there is no difference in the present invention even if a solenoid or a linear motor is used for reciprocating motion and these sequence operations are performed by an electromagnetic or electronic sequencer.

In the method of this invention configured as described above,
When wrapping the tape around the object A and welding it, the base side of the tape should be in a flat state without being bent at all (in the illustrated example, it is on a vertical plane), and only the tip of the tape should be bent at right angles. A
Since the adhesive is applied to both ends of the tape and welded them together at the ridgeline, not only is the adhesive strength strong even if it is temporarily sealed, but the repulsion force against bending of the tape is strong immediately after adhesion. When welded in the above shape, the welded portion 37 acts mostly in the shearing direction, so it will not peel off or the tension bundle will loosen even before the adhesive force is fully exerted.

Next, around the time of this welding, the tape 15 that extends from the welded part to the supply side is cut longer than the extra end 38 on the tip side that protrudes from the welded part, and both of these are cut so that the longer extra end 39 Since we adopted a method of laying down the tape along the outside of the cut tape (banding), which has already become a loop, and applying heat and pressure from the outside, the adhesive on the inside of both ends is wide. In addition to being firmly welded in area, the tip 39a of the longer extra end 39 is directly welded to the outer surface of the band, so there is no fear that the remaining ends 38 and 39 will stand up together, and a good-looking band A2 is formed. be done.

In addition, in the device invention which is the second invention, the above-mentioned method can be carried out, and in particular, in order to have the above-mentioned configuration, the tape 15 is wrapped around the wrapping material A without loosening, and one corner of the tape 15 is wrapped around the covering material A without loosening. The tape 15 can be accurately welded by the heat sealer 23 and the sealer receiver/tape holding member 24, and the tape 15 can be cut by adjusting the position of the groove 14 and the tape reel support device 16, and
Due to the positional relationship of the cutter 18, the extra edge 39 cut by the cutter 18 is always formed longer than the other extra edges 38, and the finishing heat sealer 40 in the band sealing finishing station 34 separates these two extra edges. When the ends 38 and 39 are folded down, the remaining end 39 is folded to the outside and heated and pressurized, thereby cutting the tip 39a of the remaining end 39 and cutting off the tape that has already formed a loop. That is, it can be welded to the outside of the band. Further, the leading end of the cut tape 15 connected to the tape reel is reliably attracted to a vacuum suction hole 20 provided adjacent to the part from which the cutter 18 protrudes, thereby ensuring the next strapping operation.

Further, in this device, it is possible to use not only a tape 15 coated on at least one side with a hot-melt adhesive, but also a tape 15 coated on both sides and a thermoplastic synthetic resin tape.

Furthermore, there is no need for a conventional gluing device, and there is no need to hold down the gluing part during the drying time of the glue, making the banding work more efficient.

[Brief explanation of the drawing]

The drawings depict representative embodiments of the device invention;
Fig. 1 is a schematic perspective view of the entire device, Fig. 2 is a longitudinal cross-sectional side view of the main part when the wrapping material is set in the setting station,
FIG. 3 is a longitudinal sectional side view of the main part of the article being transported from the setting station to the strapping station, and FIG. 4 is a longitudinal sectional side view of the main part showing the state in which the cut tape is welded at the strapping station. Fig. 5 is a side view of the main part of the banding finishing station, showing the state just before welding by the finishing heat sealer starts, Fig. 6 is a side view of the banding product showing the banding completed state, and Fig. 7 is a perspective view of Fig. 6. be. Codes in the figure: 10...Machine frame, 11...Table, 12...Set station, 13.
...Obi hanging station, 14...Groove, 1
5...Tape, 15a...Cut tape, 16...Tape reel support device, 1
7...Bottom, 18...Katsuta 1, 19
... Slit, 20 ... Decompression adsorption hole,
21...Hose, 22...Vertical wall, 2
3...Heat sealer, 24...Sealer receiving and tape pressing member, 25...Sealer receiving surface, 2
6...Cut relief groove, 27...Tape clamping member, 28...Extrusion member, 29...
・Transport device, 30... Extrusion surface, 31...
・Tape temporary holding member, 33... Extrusion member, 34
・・・・・・Obi sealing finishing station, 35・・・・・・
Presser device, 36...Press member, 37...
・Welded part, 38, 39...Remaining end, 40...
... Finishing heat sealer, A, Al... Covering material, A2... Banding material.

Claims (1)

[Claims] 1. Holding the tip of a tape coated with hot-melt adhesive on at least one side, supplying the laminated wrapping material from the adhesive-coated side, with the adhesive-coated side facing inside. Wrap the tape loosely around the wrapping material so that the base side of the tape is on one side of the laminated wrapping material, and let it extend from the ridgeline of the laminated wrapping material without bending, so that the tip of the tape is The tape is bent outward by 90 degrees at this ridgeline, the tape is held and heated at the edge of the ridgeline, and the tape is sealed and cut into a length longer than the remaining length of the sealed portion on the tip side. The pair of extra ends are laid down so that the longer extra edge is on the outside, and heat and pressure is applied from the outside to melt the adhesive applied to the longer extra edge and adhere it to the outer surface of the band. A banding method characterized by: 2. This is a device for wrapping objects to be wrapped with a tape coated with hot melt adhesive on one side, and is equipped with a setting station for objects to be wrapped, a banding station, and a banding finishing station in sequence, and the setting station and banding station are A tape reel support device is provided on the table surface on the same plane, and above the setting station is provided a tape reel support device that can feed the tape while applying a brake. A groove that is longer than the tape width and has a vertical wall near the obi-hanging station is provided in the transverse direction of the transfer path between stations, and a tape cutter that retracts from the groove is provided at the bottom of the groove. A vacuum suction hole for suctioning the tip of the tape cut by the cutter is provided at the bottom of the groove on the side of the immediate setting station, and at the top end of the vertical wall, the vertical wall and A heat sealer is provided that reciprocates until the surface is flush with the groove, and at a retracted position above the groove, it has a sealer receiving surface that descends from this position and slides into or comes very close to the vertical surface, and the lower end of the sealer is attached to the groove. A tape holding member that reciprocates until it comes into contact with the bottom surface is provided, and a tape holding member that moves back and forth from the set station approach position until it comes into pressure contact with the vertical wall is provided in the groove. Above the station, there is a movable banding member which descends from the retracted position and temporarily presses the tape wrapped around the object on the banding station. On the table surface, there is provided a conveyance device having an extrusion member that conveys the article to be bound on the set station to the strapping station, extrudes it until the extrusion surface coincides with the vertical wall surface, and returns, and the heat sealer , when the sealer receiving and tape holding member, the banding temporary holding member, and the tape cutter are all in the retracted position, the tape holding member moves forward to the vertical wall, and connects the tip of the tape continuous from the tape reel support device to this tip and the vertical wall. The tape holding member and the pushing member of the carrying device are moved forward from above the set station to a position where it is flush with the vertical wall surface, and after the band temporary holding member is lowered, the tape holding member and the pushing member of the carrying device are returned. There is a sequence control device that lowers the sealer receiving and tape holding member, activates the tape cutter, advances the heat sealer to the vertical wall surface, and then returns them to their original positions. The device is equipped with a presser device that temporarily presses the top surface of the bundled and temporarily sealed article at the strapping station position, and a presser device that temporarily presses down the upper surface of the bundled article that has been strapped and temporarily sealed at the strapping station position, and a presser device that temporarily presses down the upper surface of the bundled article that has been strapped and temporarily sealed. A finishing heat sealer is provided, which is folded down, rubbed and heated, and returned to its original state.A sequence control device is provided which operates these presser devices and the finishing heat sealer after the operation of the second conveyance device that feeds the article to be wrapped into a banding finishing station. A banding device characterized by being composed of a combination of the above components.