JP2992568B2 - Tape binding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a tied object formed by stacking a large number of banknotes, various cards, envelopes, and the like, and arranging a large number of vegetables such as green onions and a large number of wirings. Further, the present invention relates to a tape binding device that winds and binds a tape made of paper or the like.

<Prior Art> Conventionally, as a small binding device for binding banknotes or the like, a binding tape having at least one surface having a heat-adhesive surface is wound around an object to be bound, and the outer surface of the winding portion at the beginning of winding is wound. The inner surface of the winding at the end of the winding is polymerized, and this polymerization portion
There is provided a device for binding an object to be bound by pressing a heating press portion heated by a heater and heat-welding a polymerized portion with a thermoplastic resin applied to a tape (for example, Japanese Patent Publication No. 62-1987). No. 7041).

In addition, a receiving plate for receiving the tape pressed by the heater is disposed outside the winding of the tape, and in order to prevent a gap from being generated between the object to be bound and the tape, the binding tape is used. Japanese Patent Application Laid-Open No. 1-308714 discloses a method in which a tape is wound around an object to be bound with the heat-adhesive surface inside, and the inner surfaces of the tapes are welded to each other.

In these bundling devices, the small loop formed at the end of the tape by rotating while holding the end of the tape is expanded by feeding the tape from the unwinding portion side, and along the inner surface of the guide plate. After forming into a predetermined loop
An object to be tied is arranged in the loop, and the loop is narrowed to bind the object to be tied.

By the way, the tape used for binding is made of paper,
Various types such as those made of plastic film are used, and some of them are not rigid.

<Problem to be Solved by the Invention> When such a tape having no rigidity is used, when forming the above-mentioned predetermined loop, the top of the loop hangs down due to the influence of wind or the like to form the predetermined loop. However, if the tape is further fed in such a state, the tape may be jammed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a bundling device using a tape that can surely form a predetermined loop using a tape and does not cause tape clogging.

<Means for Solving the Problems> In order to achieve the above object, a tape bundling device of the present invention includes a tape passage groove formed on a table on which a material to be bound is placed, and a longitudinal direction of the passage groove. A pair of guide plates that are provided so as to protrude on the table on the left and right sides and regulate the loop shape from the outside of the loop when forming the predetermined loop, and feed the small loop formed at the end of the tape to the tape In a binding device using a tape that forms a predetermined loop along the inner surfaces of the pair of guide plates and squeezes the bundle to bind the objects to be bound, the upper ends of the pair of guide plates are connected and formed. A long top plate close to the top of the loop to be formed, an air hole formed in the top plate, and a fan for generating a negative pressure for sucking the tape through the air hole. The pores are provided only at the central portion in the longitudinal direction of the top plate so that only the tape at the top of the loop is sucked by the fan.

<Operation> According to the tape bundling device having the above-described configuration, when a predetermined loop is formed along the guide plate, the top of the loop can be sucked by the negative pressure generated by the fan, so that the tape hangs down. Can be prevented, and a predetermined loop can be reliably formed by the tape.

<Example> Hereinafter, an example will be described in detail with reference to the accompanying drawings.

In FIG. 1, the bundling device includes a receiving plate 2 for receiving an object A to be bound, a holding member 21 for holding an end of a bundling tape T between the receiving plate 2 and the tape T, and a tape T. It has a tape winding mechanism 9 for winding and a heating press section 5 as main parts.

The tape winding mechanism 9 includes the table 1, the tape feeding mechanism 3, the tape guide mechanism 6, the fixed holding member 4, the moving holding member 8, and the like.

The table 1 is for placing an object to be tied A made of a stack of paper or the like, and one of the tables 1 is provided to be openable and closable so that the internal devices can be easily inspected. When these tables 1 are joined together, a passage groove 10 (see FIG. 4) is formed between them. The passage groove 10 allows the binding tape T to pass therethrough during the winding operation. The tape guide mechanism 6 includes guide frames 15, 1
6. It is provided with guide plates 11, 12 and a suction fan 17 as a fan.

The guide plate 11 and the guide plate 12 are respectively arranged on the left and right sides in the longitudinal direction of the passage groove 10 and extend above the table 1. These guide plates 11 and 12 are for facilitating the feeding of the tape T fed from the winding / rewinding portion 13 and for allowing the tape T itself to maintain a loop shape above the table 1.

Referring to FIGS. 1 to 3, one guide plate 11 is
The tape T provided below the table 1 is located far from the rewinding portion 13 of the tape T, and the other guide plate 12 is located on the rewinding portion 13 side. The guide plate 11 and the guide plate 12 face each other with a gentle inclination, and tips of the guide plates 11 and 12 are connected to each other by a horizontal top plate 14. A plurality of air holes 14a are formed in the center of the top plate 14, and the air holes 14a
The suction fan 17 driven by the motor 18 is provided in the guide frame 15 above the above. This suction fan 17
Is to prevent the tape T from hanging down by sucking the top Ta of the tape T by the generated negative pressure when the tape T is fed along the guide plates 11 and 12 to form a predetermined loop. It is for.

The guide plates 11 and 12 are housed in the guide frames 15 and 16 having a U-shaped cross-section and standing upright on the table 1. The guide frame 15 has an angle shape in a side view, and is combined with a substantially straight guide frame 16 in a side view. These guide frames 15 and 16 are provided so that when the tape T is fed along the guide plates 11 and 12, the tape T does not shift in the width direction, and the feeding of the tape T is performed smoothly. ing.

The receiving plate 2 and the holding member 21 are provided with the passage grooves 10 of the table 1.
It is arranged near the guide plate 11 on the side. As shown in FIG. 5, the holding member 21 has an operating plate 24 which is moved back and forth by a swinging rod 22.
The receiving plate 2 is attached to the tip of
It is attached to the rear end of the unit 21 via an interlocking member 25.
When the operating plate 24 moves back and forth with the swing of the swinging rod 22 by a cam mechanism (not shown) and other mechanisms, the receiving plate 2 and the holding member 21 move back and forth. Passage groove
Go back and forth to 10. At the time of the advance, the holding member 21 advances above the tape T which is in a substantially horizontal state in the passage groove 10,
The receiving plate 2 advances downward. After the end of the forward movement, the interlocking member 25 flips the receiving plate 2 above the holding member 21 to hold the binding tape T between the side surface of the receiving plate 2 and the holding member 21.

Since the receiving plate 2 is used when the tapes T are bonded to each other, the shape thereof is preferably a square shape in a front view, and the material is a material that can withstand the heat bonding work of an iron plate or the like. I just want it.

At the approximate center of the lower part of the table 1, the above-mentioned tape feeding mechanism 3 for feeding and pulling back the tape T is provided. The tape feeding mechanism 3 includes a rubber-made sending roller 31 and a bundling roller 32 supported by the side plate 1a of the table 1.
have. The delivery roller 31 is driven and controlled to rotate forward (clockwise), and is used when delivering the tape T of the rewinding portion 13 from the guide plate 11 to the guide plate 12. The binding roller 32 is drive-controlled so as to rotate in the reverse direction (counterclockwise) with respect to the delivery roller 31.

Immediately above the rollers 31 and 32 substantially on the center line, auxiliary rollers 33 and 34 made of metal are provided with the delivery roller 31 and the binding roller 3.
Side plate 1 so that both can contact alternately with 2
It is provided in a. That is, when sending out the tape T of the rewinding portion 13, the sending roller 31 and the auxiliary roller 33 are in contact with each other (therefore, at this time, the auxiliary roller 34 is separated from the binding roller 32), and the tape T is attached to the object to be bound. When binding to A, the binding roller 32 and the auxiliary roller 34 come into contact with each other in the opposite direction.

In addition, in order to adjust the tension of the tape T to a drive shaft (not shown) of the binding roller 32 at the time of binding, and to prevent the binding roller 32 from being worn due to a slip between the tape T and the binding roller 32. Of the present invention is provided.

On the side plate 1a at the tape exit portion from the delivery roller 31 and the auxiliary roller 33, there is provided a fixed holding member 4 composed of a pair of holding members 4a and 4b (see FIG. 8) capable of holding the tape T from above and below. Installed. The holding member 4a is attached to the side plate 1a so as to be vertically adjustable, and the other holding member is provided.
4b is movable up and down in conjunction with a link mechanism (not shown).

On the side plate 1a between the fixed holding member 4 and the receiving plate 2, there is attached a moving holding member 8 constituted by holding members 8a and 8b which can hold the tape T and can move up and down, rotate and move back and forth. Have been. The movable clamp 8 can move up and down the distance from the fixed clamp 4 to the vicinity of the receiving plate 2, and can move back and forth from the window 1b provided in the side plate 1a to the passage groove 10 side. The holding members 8a and 8b are composed of a pair of steel leaf springs stacked one on another, and
The tape T is clamped by the inward movement. The above clamping member
A pair of leaf springs constituting the pair 8a and 8b have their distal ends expanded outward, thereby facilitating the holding of the tape T during the above-mentioned longitudinal movement. Further, when the movable holding member 8 moves the above-described distance between the upper and lower sides, it can be rotated substantially one turn while changing the position of the holding members 8a and 8b up and down (see FIG. 7).

Below the receiving plate 2, a heating pressing portion 5 for thermally bonding the tapes T to each other is provided so as to be vertically movable. The heating pressing section 5 has a heater 51 such as a cartridge heater embedded therein, and has a cutter 51 at the tip end for cutting the tape T. The cutter 51 is elastically supported by a spring (not shown).
Rises and presses the overlapping portion of the tape T against the receiving plate,
When the tape T is cut by the above-mentioned spring force and the pressing by the heating pressing section 5 is further increased, the tape T is lowered.

Each of the operating members such as the receiving plate 2, the fixed holding member 4, the movable holding member 8, and the heating pressing portion 5 is configured to be interlocked with each other via a link mechanism, a cam mechanism and the like. The operation switch, the clutch mechanism, and the like are not shown.

The tape T is formed by laminating a thermoplastic resin on at least one surface of paper or other non-fusible main material t (see FIG. 6), and the overlapping portion of the tape T is heated by a heater. The tape width is preferably 25 to 50 mm.

Next, the operation of the binding device configured as described above will be sequentially described with reference to FIGS. 8 to 13 showing working steps.

First, the tape T is sandwiched between the feeding roller 31 and the auxiliary roller 33 from the winding-back portion 13 through the binding roller 32 and between the pair of holding members 4a and 4b separated from each other. , The distal end of which is moving near the fixed clamp 4 (hereinafter simply referred to as the lower position).
(See FIG. 7). Then, from this state, the movable holding member 8 moves to a position near the object A to be bound (hereinafter simply referred to as an upper position) while making substantially one rotation (the eighth position).
See figure).

Then, the sending roller 31 rotates forward and a predetermined amount of tape T
Are fed from the guide plate 11 along the guide plate 12 to form a loop. Here, the binding object A is placed on the table 1. At this time, the feeding of the tape T and the formation of the loop shape on the upper surface of the table 1 are performed by the guide plates 11 and 12 having respective inclinations, the guide frames 15 and 16 having appropriate widths, and an appropriate feeding speed of the tape T. Performed smoothly and well. Moreover, since the top of the tape T is sucked by the suction fan 17, the tape T does not hang down as shown by the one-dot chain line in FIG. 1, and a predetermined loop can be reliably formed. Therefore, even if the tape transport speed is increased, there is no risk of tape clogging, and high-speed processing can be performed.

Next, the holding member 21 and the receiving plate 2 are taped between them.
In a state in which the sheet is intruded, the sheet advances from the inside of the table 1 toward the passage groove 10 (see FIG. 9), and the receiving plate 2 rises to the vicinity of the bottom surface of the material A to be bound. Between
Hold the leading end of the tape T (see Fig. 10). Then,
The moving clamp 8 retreats from the passage groove 10 through the window 1b of the side plate 1a, and moves to the lower position while making substantially one rotation to be in a standby state for the next operation. During the above operation, the auxiliary roller 33
Is separated from the delivery roller 31 and is replaced by another auxiliary roller.
34 descends and comes into contact with the binding roller 32, and the binding roller 32 rotates (this rotation direction is opposite to the rotation direction of the delivery roller 31) to tighten only a necessary amount according to the material A to be bound. Perform the work (see Fig. 11). The binding roller
At the beginning of the rotation of 32, the moving clamp 8 is in the window of the side plate 1a.
It is in a position retracted to the back of 1b.

When the above-described tightening operation is completed, the fixed holding member 4 holds the tape T, and the movable holding member 8 advances forward to hold the tape T. Then, the heating / pressing portion 5 advances, presses the overlapped portion against the receiving plate 2, cuts the lower end of the overlapped portion with the cutter 51, and heat-adheses the overlapped portion by heating the heater (the second portion). See Figure 12).

Further, when the heat pressing portion 5 is retracted and separated from the bonding portion of the binding tape T (see FIG. 13), the binding operation is completed and the apparatus is ready for the next binding operation.

A switch S is provided on the upper surface of the table 1 at which the binding object A is to be loaded (see FIG. 4), and the switch S allows the above-described series of binding operations to be performed safely. That is, during the binding operation and the binding object A is
In the case above, the switch S is depressed by the weight of the material A to be bound, so that the motor for feeding a new tape T cannot be driven. When the binding operation is completed and the object A to be bound is picked up from the table 1, the switch S jumps out to the upper surface of the table 1, and
By enabling the driving of the motor, the motor is not driven simultaneously with the completion of the binding operation.

A binding operation is continuously performed by repeating a series of steps as described above. Examples of the binding object A applicable to this device include printed materials such as bills, catalogs, lotteries, gift certificates, and printed paper. And the like can be used. Further, the apparatus can be safely applied to items such as seaweed for sushi, which are soft and may be easily damaged by excessive binding force.

In the embodiment described above, the suction fan 17 is
Although arranged just above the air hole 14a of the top plate 14, as shown in FIG. 14, the guide frame 15 and the guide plate 11 are arranged below the table 1 and through a through hole 18 formed in the table 1. Negative pressure may be generated by sucking air in the space between them. In this case, the negative pressure can also be generated by arranging a blowing fan above the table 1 and blowing air in the space between the guide plate 15 and the guide frame 11 to the outside.

In addition, Japanese Patent Application Laid-Open No. 1-3087 discloses the present invention in the prior art.
Various design changes can be made within a range that does not change the gist of the present invention, such as applying the invention to the one disclosed in Japanese Patent No.

<Effect of the Invention> As described above, according to the tape bundling apparatus of the present invention, when forming a predetermined loop along the guide plate, the top of the loop can be sucked by the negative pressure generated by the fan. Can prevent tape drooping,
A predetermined loop can be reliably formed by the tape. Therefore, even if the transport speed of the tape is increased, the tape is not clogged, and a high-speed processing can be performed.

[Brief description of the drawings]

FIG. 1 is a schematic front view showing the internal structure of a tape binding device according to one embodiment of the present invention, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, FIG. 4 is a plan view of FIG. 1, FIG. 5 is an explanatory view of the operation of the receiving plate, FIG. 6 is a partially cutaway view of the tape, FIG. 7 is an explanatory view of the operation of the moving clamp, FIGS. The figure is a process diagram of the binding operation, and FIG. 14 is a schematic front view showing another embodiment. T ... Tape, Ta ... Top, 11,12 ... Guide board, 17 ...
Suction fan (fan).

Claims (1)

(57) [Claims] 1. A tape passage groove formed on a table on which a material to be bound is placed, and a tape is provided so as to protrude on the table on the left and right sides in the longitudinal direction of the passage groove. A pair of guide plates that regulate the shape from the outside of the loop, and a small loop formed at the end of the tape is expanded by tape feeding to form a predetermined loop along the inner surface of the pair of guide plates, In a binding device using a tape that squeezes this and binds the objects to be bound, a long top plate that connects between the upper ends of the pair of guide plates and is close to the top of a loop to be formed; Further comprising a fan for generating a negative pressure for sucking the tape through the air hole, wherein the air hole is a longitudinal length of the top plate so that only the tape at the top of the loop is sucked by the fan. Binding device according to the tape, characterized in that is provided only in the central part of the direction.