JPS5914324Y2 - Crimping part protection device for tape binding machine - Google Patents

Description

[Detailed description of the invention] The present invention is a tape binding method that binds objects using an adhesive tape, such as a single-sided adhesive tape coated with adhesive on one side, or a self-adhesive tape that becomes sticky when pressure is applied. In particular, the present invention relates to a crimping part protection device that prevents a decrease in binding force by preventing water droplets from dripping from objects to be bound onto the crimping surface of an adhesive tape or from protruding the objects onto the crimping surface.

Conventionally, there has been a crimping method in which the winding end of an adhesive tape is wound around an object to be bound on a base in association with the raising and lowering of a binding arm pivotally mounted on the base. A binding machine is used in which the tape is crimped on a table, the tape is cut, and the cut ends of the tape are held by a holding device provided outside the crimping table.

However, when the washed vegetable bundles are tied together using the above-mentioned binding machine, water droplets adhering to the vegetable bundles drip onto the surface of the tape that should be crimped, reducing the adhesive strength of the tape and causing the tape crimping part to peel off. There is.

Furthermore, when the objects to be bound are bundles of vegetables, etc., the leaves of the vegetables may protrude onto the crimping surface of the tape, and the leaves may become sandwiched between the crimping surfaces of the tape, weakening the binding force.

The purpose of the present invention is to provide a crimping unit protection device for a tape binding machine that solves the above problem. The present invention is characterized in that a crimping portion protection plate is provided that returns to the top of the tape inside the crimping table after the cut end of the tape is clamped.

The present invention will be described in detail below with reference to the illustrated embodiments.

In FIGS. 1 and 2, 1 is a base, and a height-adjustable object mounting table 2 is provided at the center of the base, and an arm support frame 3 is attached to one side of the mounting table 2 on the base 1. Attachment: The binding arm 5 is pivotally attached to the support frame 3 via the shaft 4, and the binding operation arm 5 is always biased in the direction of standing up with respect to the base 1 by the spring 6.

A handle 5A is attached to the tip of the binding arm 5, and a tape crimping rod 7 and a tape cutting blade 8 are provided near the handle 5A of the binding arm 5 toward the base 1 side.

Further, the binding arm 5 is provided with a plurality of tape guide rollers 9, 9, . , 9, and so on to the tip of the binding arm 5.

Note that adhesive tape (hereinafter referred to as tape).

), a single-sided adhesive tape, self-adhesive tape, etc. can be used.

A crimping table 12 is provided on the base 1 integrally with a pair of left and right brackets 13 corresponding to the tips of the binding arms 5, and a tape holder 14 forming a part of the clamping device is rotatably attached to the brackets 13. do.

A tape holding rod 15 is provided so as to be able to come into contact with and separate from the holding body 14,
The clamping rod 15 is pressed toward the holder 14 by a spring (not shown).

On the outer periphery of the holding body 14, a plurality of pieces (
Here, there are 6 tape holding grooves 14A, 14A...
... is provided, and the drawn-out end of the tape 11 is held between the holding groove 14A and the holding rod 15.

Reference numeral 16 denotes a claw plate that prevents the holder 14 from rotating in the counterclockwise direction in FIG.

A cam surface 5B for separating the clamping rod 15 from the holder 14 is formed near the tip of the binding arm 5, and near the cam surface 5B, it engages with the holding groove 14A of the holder 14 to hold the tape 11 in place. A tape pushing rod 17 is installed to push the end of the tape 11 between the holder 14 and the clamping rod 15, and a tape pushing rod 17 is installed between the cutting blade 8 and the crimping rod 7 to push the drawn end of the tape 11 between the holder 14 and the clamping rod 15. Attach the tape relief rod 18 that can be pulled out from between the holes.

Inside the crimp rod 7 on the binding arm 5, a tape pasting rod 19 is provided which can protrude downward from the upper surface of the crimp table 12 along the inner surface of the crimp table 12.

This tape pasting rod 19 serves to close the gap between the tapes between the object to be bound A and the crimping table 12.

A sector gear 20 is provided at the base of the binding arm 5, and a gear 22 integrated with a pulley 21 and an intermediate gear 23 are provided on the support frame 3.
Binding arm 5 and boo 1121 via gears 20, 22, 23
Link with.

A pulley 24 is provided on the support shaft 10A of the tape reel 10, and both pulleys 21 and 24 are connected via a belt 25.

Then, a rotational force transmission/intermittent means (not shown) is provided in the middle of the rotational force transmission path between the binding arm 5 and the support shaft 10A, and as a result, when the binding arm 5 stands up, the tape reel 10 is free to rotate, and the binding arm 5 When the tape is tilted, the tape reel 10 can be rotated to rewind the tape to perform tightening and bundling.

Further, by incorporating a friction clutch means between the tape reel 10 and the support shaft 10A, the tightening force can be adjusted.

26 moves from above the tape 11 inside the crimping table 12 to the side of the crimping table 11 immediately before starting tape crimping, and returns to the tape 11 inside the crimping table 11 after the clamping device finishes holding the tape. Crimp part protection plate (hereinafter referred to as protection plate).

), here, a pair of left and right protection plates 26, 26 are provided symmetrically, and each protection plate 26 is placed near the crimping table 12, as shown in FIGS. 3 and 4. Pin 2 provided
It is provided so that it can be rotated around 7 as a fulcrum for leaving and returning to work.

Note that the return operation of the protection plate 26 can be performed by its own weight, or it can be returned by a spring (not shown).

Here, the tips, that is, the inner ends of both the protection plates 26 , 26 are formed so as to be slightly shaped with each other, so that water droplets flowing down on the tape 11 are reliably stopped inside the protection plates 26 , 26 . However, even if there is a slight gap between the tips of the protection plates 26 and 26, most of the water droplets can be removed.

Moreover, if both the protection plates 26 and 26 are formed so as to be able to press the tape 11 into a chevron-shaped cross section, the effect of removing water droplets will be increased.

A protruding portion 26A is formed at the proximal end, that is, the outer end of the protection plate 26, and the protruding portion 26A is formed on the binding arm 5 immediately before the start of tape crimping.
A pressing piece 28 for pressing A is provided.

Reference numeral 29 denotes a pin support plate which also has the function of preventing vegetables from sticking out. The pin support plate 29 is provided inside the crimping table 12, and has a notch 2 at its upper end that is approximately the same width as the crimping table 12.
9A is formed.

In the above configuration device, when binding objects A,
As shown in FIG. 1, the tape 11 is pushed with the object A to place the object A on the mounting table 2.

In this case, when the object A is a washed vegetable bundle,
Water droplets drip from the vegetable bundle A through the tape 11.

However, since the protection plate 26 is located on the tape 11 inside the crimping table 12, the water droplets are blocked by the protection plate 26.
It is removed to the side of the tape 11.

Furthermore, when the object A to be bound is a vegetable bunch, a bouquet of flowers, etc., leaves and the like try to protrude onto the crimping surface of the tape 11, but since they are blocked by the protection plate 26, there is a risk that they may protrude onto the crimping surface. There isn't.

After that, when the tip of the binding arm 3 is lowered to the base 1 side,
The tape 11 is wound around the object A while being rewound an appropriate amount by a reel rewinder mechanism (not shown).

When the crimping section 7 approaches the crimping table 12 and the wound end of the tape 11 is about to be crimped, the pressing piece 28 presses against the protective plate 2.
Thereafter, as the binding arm 5 descends, the protection plate 26 rotates as shown by the two-dot chain line in FIG. Retreat.

In this case, since the retracted protection plate 26 extends above the side of the tape 11, it can support the objects A being bound, thereby minimizing damage to the objects A.
You will be able to do it.

In addition, in this example, since the pair of left and right protection plates 26, 26 are provided symmetrically, the length of each one can be reduced to about half, eliminating the risk of colliding with the binding arm 5 when leaving work, and also preventing the movement of leaving work. It has the advantage of being quick.

Thereafter, the winding end of the tape 11 is crimped by the crimping section 7 and the crimping table 12, and the crimping end of the tape 11 is cut by the cutting blade 8.

When the binding arm 5 is pulled up after the tape 11 is crimped, the new end of the tape 11 is held between the holder 14 and the holding rod 15.

Further, as the binding arm 5 rises, the protection plate 26 returns to the tape 11 inside the crimping table 12 by its own weight or by the force of a spring.

Although one embodiment has been described above, the present invention also includes the following modifications.

■ As shown in FIG. 5, a canopy part 30 is provided on the protection plate 26 to cover the upper part of the crimping table 12, that is, the upper part of the crimped part of the tape 11.
may be provided integrally.

In this case, it is possible to prevent water droplets from directly adhering to the crimped portion of the tape 11 from the object A to be bound.

(2) In the above embodiment, a pair of left and right protection plates are provided symmetrically, but a single protection plate may be provided.

(2) As a means for leaving and returning the protection plate, in addition to the above-mentioned pressing piece, an intermediary means such as a link may be used to convert the rotational movement of the binding arm into the movement of the protection plate to leave and return.

(2) In addition to the manner described above, the protection plate may be moved horizontally and linearly, for example, as a mode for leaving and returning to work.

(2) The pins supporting the protection plate may be provided in any manner near the crimping table other than the above.

As explained above, the present invention is provided with a crimping part protection plate that moves from above the tape inside the crimping table to the side of the crimping table and returns to the tape inside the crimping table after pinching the cut end of the tape. This not only prevents water droplets from adhering to the tape crimping surface, but also allows the protective plate to be quickly removed from the tape. It becomes possible to prevent the objects to be bound from sticking out until just before the start of crimping, and it is possible to reliably prevent a decrease in the binding force.

Furthermore, since the protection blade is moved to the side of the crimping table, it also functions to support the objects to be bound on the side of the tape even after leaving work, and has the effect of reducing damage to the objects to be bound.

[Brief explanation of the drawing]

FIG. 1 is a front view of a tape binding machine showing an embodiment of the present invention, FIG. 2 is a side view of the device shown in FIG. 4 is a plan view of the vicinity of the crimping part protection plate in FIG. 3, and FIG. 5 is a front view of the main parts of a tape binding machine showing another embodiment of the present invention. 1... Base, 5... Binding machine, 11...
... Adhesive tape, 12 ... Crimping table, 26
・・・・・・Crimp part protection plate, 27 ・・・Pin, 2
8...Press piece, A...Object to be bound.

Claims (4)

[Scope of utility model registration request] (1) The winding end of the adhesive tape wound around the object to be bound on the base is crimped on the base in connection with the raising and lowering of the binding arm pivotally mounted on the base. In a tape binding machine, the adhesive tape is crimped on a table, the adhesive tape is cut, and the cut end of the adhesive tape is held by a clamping device provided on the outside of the crimping table. A crimping portion protection plate is provided which moves from above the tape inside the crimping table to the side of the crimping table immediately before the start of crimping the sexual tape, and returns to the tape L inside the crimping table after the clamping is finished. A crimping part protection device for tape binding machines. (2) Utility Model Registration The crimping part protection device for a tape binding machine according to claim 1, characterized in that a pair of left and right crimping part protection plates are provided symmetrically inside the crimping table. (3) Utility Model Registration Claims In claim 1 or 2, the crimp portion protection plate is formed to leave and return to work under the action of a pressing piece protruding from the binding arm. A crimping part protection device for a tape binding machine, characterized in that: (4) Scope of Utility Model Registration Claims Paragraph 1, Paragraph 2, or Paragraph 3
2. The crimping part protection device for a tape binding machine according to item 1, wherein the crimping part protection plate is provided so as to be able to leave and return to work by rotational movement using a pin provided near the crimping table as a fulcrum. .