JPS621884B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a binding device for winding and pasting an adhesive tape around an adherend.

Recently, it has become popular to wrap vegetables such as green onions and spinach with adhesive tape and bind them together by gluing the sticky ends of the tape together. Many binding machines have also been proposed. For example, JP-A-55-
Publication No. 29463 describes a binding machine that feeds out adhesive tape from two directions. However, the binding machine has an adhesive tape feeding mechanism that feeds out the adhesive tape from two directions, an adhesive tape tension adjustment mechanism,
The structure is complicated and the device is large because it consists of a support mechanism consisting of a support plate, a lever, an arm and a bracket for the objects to be bound, and a binding mechanism consisting of an arm having a cutting blade and slider and an arm having a presser. It was hot.

Moreover, a small-sized binding machine is proposed in Japanese Patent Publication No. 54-36556. However, the binding unit of this binding machine has many tape pressing members, such as two inner and outer tape pressing members, two inner and outer pressure receiving members, a cutting blade, a clamping rod that clamps the end of the tape, an operating member that separates the clamping rod from the pressure receiving member, and a tape pushing rod. It is complicated because it consists of parts,
Furthermore, in order to miniaturize each component, it is necessary to reduce the size of each component, making manufacturing difficult and maintenance difficult.

SUMMARY OF THE INVENTION In view of the above drawbacks, it is an object of the present invention to provide a compact binding device that is simple in structure, easy to manufacture, easy to operate and maintain, and capable of reliably binding.

The binding device of the present invention is provided with an adhesive tape sticking device and an adhesive tape cutting and holding device so that they can come into contact with each other and separate from each other.

The above-mentioned adhesive tape pasting device consists of a pasting plate attached near the tip of the arm, a tape holding plate, a rotating blanket, and two holding rollers.The rotating bracket has one end attached near the tip of the arm. It is rotatably supported by a shaft, and a spring is attached near the other end, and the spring presses the arm to the tip of the arm, and the presser rollers are arranged horizontally in parallel from the side surface of the other end of the rotating bracket. ing. In other words, when a force is applied from the presser roller in the direction of the arm, the rotating bracket does not rotate, and when a force is applied from the arm in the direction of the presser roller, the rotating bracket is pulled by the spring. It is designed so that it can be extended and rotated. Further, the lower end of the tape presser plate is located above the lower end of the adhesive plate, and the tape presser roller is located below the adhesive plate.

The adhesive tape cutting and holding device includes a first tape holding plate, a second tape holding plate, and a tape cutting blade. It is urged to come into pressure contact with the vicinity of the tip of the holding plate from below, so as to sandwich the adhesive tape together with the second tape holding plate, and is rotatable only at a portion below the pressure contact portion. Further, the tape cutting blade is located between the first tape holding plate and the second tape holding plate.
It is erected below the tape holding plate, facing upward.

Further, the sticking plate is provided at a position corresponding to the second tape holding plate, the tape holding plate is provided at a position corresponding to the first tape holding plate, and the tape holding roller is provided at a position corresponding to the tape cutting blade.

The present invention will be explained below with reference to embodiments of the drawings. FIG. 1 is a front view showing one embodiment of the present invention, and FIG. 2 is a right side view thereof.

In the figure, reference numeral 5 denotes a substantially plate-shaped arm, and the vicinity of the tip protrudes rearward and rearward downward in FIG. 1. Reference numeral 2 denotes a bracket that stands horizontally from the arm 5 near the tip of the arm 5 and protrudes rearward, and the operating handle 1 is erected at the tip of the bracket 2. By operating the operating handle 1, the arm 5 can be moved up and down by a drive device (not shown) or the like. In addition, near the tip of the bracket 2, a guide roller 4 is attached to a shaft 3 that stands upright in the front direction as shown in FIG.
is rotatably mounted. The guide roller regulates the position of the adhesive tape T that binds the objects P to be bound.

Reference numeral 8 denotes an adhesive plate made of an elastic steel plate or the like and bent into a substantially U-shape, and is attached near the tip of the arm 5 so that the tip protrudes from the tip of the arm 5. The adhesive surfaces of the wound adhesive tape T are pressed together, and the ends of the wound adhesive tape T are stuck to the back side of the adhesive tape T around which the device to be bound P is wound. It is for.

6 is an approximately L-shaped tape holding plate, the lower end of which is located slightly above the lower end of the adhesive plate 8, and an arm extending parallel to the adhesive plate 8 (on the right side of the adhesive plate 8 in FIG. 1). It is attached near the tip of 5.

Reference numeral 13 denotes a bracket having a step, and the bracket 13 is located near one end (right side in Fig. 2).
is rotatably supported by a shaft 26 provided on a rearward downwardly protruding portion of the arm 5, and a tension spring whose one end is fixed to the bracket 2 is located near the other end (the left side in FIG. 2). 7 is attached, and the stepped portion is pressed against the tip of the portion of the arm 5 that protrudes downward and rearward. Reference numerals 10 and 12 designate tape pressing rollers that are rotatably attached to shafts 9 and 11 erected horizontally on the surface of the other end of the bracket 13. The tape pressing roller 10 is provided at the upper right side (FIG. 1) of the other end side of the bracket 13, and the tape pressing roller 12 is provided at the lower left portion (FIG. 1).

An adhesive tape adhesion device is constituted by the above-mentioned parts, and an adhesive tape cutting and holding device is constituted by the following parts and installed at a lower position corresponding to the device.

That is, 24 is a pedestal, and a second tape holding plate 20 and a bracket 21 are erected on the pedestal 24, between which a holder 19 holding an upward tape cutting blade 18 and an adhesive tape applying device are lowered. A downward positioning stopper 19 of the adhesive tape applicator, which the rotary bracket 13 or the tape pressing roll 12 comes into contact with when the adhesive tape is pressed against the adhesive tape is fixed. The holding plate 20 is approximately L-shaped, one side is fixed to the frame 24, the other side is erected, and the tip end is connected to the bracket 24.
It is bent to one side. A rotating shaft 16 is fixed to the bracket 21, and a bent portion of a substantially V-shaped first tape holding plate 15 is rotatably attached to the rotating shaft 16. A tension spring 17 fixed to 24 is applied, and the other end is pressed to the tip of the second tape holding plate 20 via an adhesive tape T.
The adhesive tape T is held under pressure. The first tape holding plate 15 is pressed when the tape presser rollers 10, 12 descend with the lowering of the arm 5, and rotates downward.
2 moves out of the rotation range of the first tape holding plate 15 (that is, at the end of cutting), the tension spring 1
7 so that it can be rotated back to its original position.

The tape cutting blade 18 is located below the first tape holding plate 15 and has a height at which the other end does not come into contact with the tape when the first tape holding plate 15 is rotated downward. Presser roller 10
and 12, and cuts the tape T that comes under tension between the tape pressing rollers 10 and 12 and descends. stopper 19
The device is used to position the descending adhesive tape applicator, and by using an elastic material such as rubber or plastic, it is possible to absorb the impact during the descent.

14 is a tape guide plate in which a substantially U-shaped notch is formed, as shown in FIG.
It is attached to the upper surface with screws 25 and 25' so that the notch is on the second tape holding plate 20 side.
The shape of the notch is such that the entrance part is wider than the width of the tape T, and it widens towards the inside, and is used to temporarily hold the tape T in the notch and change the course of expansion of the tape. It is.

In addition, the tape guide plate 14 is divided into two parts as shown by the two-dot chain line in Figure 3 so that the tape width can be adjusted even if the tape width used changes, and the mounting part can be slid.
This is preferable because it can accommodate changes in tape width.

The adhesive tape sticking device and the adhesive tape holding device are provided so that they can come into contact with each other and separate, and when they come into contact, the sticking plate 8 is bent at the outer part of the tip (the left side in FIG. 1). presses the tip of the second tape holding plate 20, the tape holding plate 6 presses the first tape holding plate 15, and the tape holding rollers 10 and 12 press the first tape holding plate 15 to hold the first tape. While rotating the plate 15 downward, the tape cutting blade 1
It is provided at a position where it can be lowered across 8.

Next, the operation of the binding device of the present invention will be explained as shown in FIGS.
This will be explained using Figure 1.

First, as shown by the two-dot chain line in FIG.
The object to be bound P is held by the tape holding plate 20, and then the object to be bound P is fed from the right side of the adhesive tape T while pushing the adhesive tape T, and after being inserted into a position in contact with the back surface of the second tape holding plate 20, as shown in FIG. As shown, when the adhesive tape pasting device is lowered in the direction of arrow A, the adhesive tape T wraps around the object P and is pushed down by the tape pressing rollers 10 and 12, descending while contacting the first tape holding plate 15. .

When the tape is further lowered in the direction of arrow A, as shown in FIG. Start descending and at the same time tape T
Tape presser roller 1 descends while pressing down.
0 and 12, the first tape holding plate 15 rotates in the direction of arrow B while stretching the tension spring 17 in the direction of arrow C.

When lowered further, the tape T
is cut by a cutting blade 18 projected between the tape pressing rollers 10 and 12.

At the same time as the tape T is cut, the first tape holding plate 15 rotates in the direction of the arrow E as the tension spring 17 contracts in the direction of the arrow F, and temporarily holds the end of the tape T in contact with the adhesive plate 8. Hold. Furthermore, the end of the tape from the position shown by the two-dot chain line (that is, just before cutting) until it contacts the adhesive plate 8 is the tape holding plate 6 and the first tape holding plate 15.
The tape is held under pressure by the tape T, and since pressure or clamping force is always applied to the ends of the tape, if mud, dust, water droplets, etc.
Even if the tape adheres to the tape, the tape end will not be held incorrectly.

Further, as the adhesive plate 8 slides on the wound end of the tape T around which the object to be bound P is wound, the adhesive surfaces are pressed together and are completely adhered, and in this state, the object to be bound P is If the tape T is pulled out while being pressed against the adhesive plate 8 in the direction D, the end of the tape T will be adhered to the back surface of the wound tape T, as shown in FIG. 11, and a good-looking finish will be ensured.

After cutting is completed and the objects P to be bound are bound and taken out, when the adhesive tape sticking device is raised, the first tape holding plate 15 is stuck by the contraction force of the tension spring 17 in the direction of the arrow H. While holding the tape T along the plate 8, it is pressed onto the tape holding plate 20 as shown in FIG. 7 to hold the tape T.

Further, when raised in the direction of arrow I, the tape press rollers 10 and 12 that had crawled under the first tape holding plate 15 move along the side surface of the first tape holding plate 15, that is, as shown in FIG. The rotation bracket 13 to which the tape press rollers 10 and 12 are attached, shown by the dotted chain line, is centered on the shaft 26 and the tape press rollers 10 and 12 follow the side surface of the first tape holding plate 15, so that the tension spring 7 is rotated in the G direction. It is stretched and raised while rotating in the direction of arrow K. The presser rollers 10 and 12 rotate while further rising.
When the tape T slips out of the first tape holding plate 15, it is rotated in the direction of arrow L by the stretched tension spring 7 and returned to its original position. It is inserted into a notch in the tape guide plate 14 and bent along its expansion course so as not to cause any disturbance during movement. This state continues until FIG. 8, when the tape press roller 10,
12 slips out of the first tape holding plate 15 and further rises in the direction of arrow I in FIG. It is something that will be done.

In order to repeatedly bind the objects to be bound, the same operation may be repeated.

Since the binding device of the present invention is configured as described above, it has a simple structure, is easy to manufacture, is easy to operate, and is easy to maintain.In addition, the adhesive tape can be attached and held securely, and the binding device can be easily manufactured. It is possible to securely bind objects.

[Brief explanation of the drawing]

1 is a front view showing one embodiment of the binding device of the present invention, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a plan view of the tape guide plate portion of the binding device of FIG. 4
10 are explanatory diagrams of the operation of the binding device shown in FIG. 1, and FIG. 11 is a cross-sectional view of the bundle obtained by the binding device shown in FIG. 1. 6... Tape presser plate, 8... Adhesive plate, 10,1
2... Tape press roller, 15... First tape holding plate, 18... Tape cutting blade, 20... Second tape holding plate.

Claims (1)

[Claims] 1 Consists of an adhesive plate and a tape press plate attached near the tip of the arm, a rotating bracket, and two tape press rollers, and the rotating bracket is rotatably supported by the tip of the arm near one end of the bracket. At the same time, a tension spring is attached near the other end,
The tape presser rollers are horizontally arranged in parallel from the side of the other end of the rotating bracket, and the lower end of the tape presser plate is placed above the lower end of the adhesive plate. The tape pressing roller connects an adhesive tape applying device located below the adhesive plate, a second tape holding plate erected, and one end of the tape holding roller connected to the adhesive tape applying device located below the adhesive plate, and one end of the roller being placed near the tip of the second tape holding plate from below. A first tape holding plate and a first tape holding plate that are biased so as to come into pressure contact with each other, are configured to sandwich the adhesive tape together with a second tape holding plate, and are rotatable only at a portion below the pressure contact portion. and a second tape holding plate, and below the first tape holding plate, an adhesive tape cutting and holding device consisting of an upwardly erected tape cutting blade is provided so as to be able to come into contact with and separate from the sticking plate. A binding device characterized in that the second tape holding plate is provided at a position corresponding to the first tape holding plate, the tape holding plate is provided at a position corresponding to the first tape holding plate, and the tape holding roller is provided at a position corresponding to a tape cutting blade.