JPH0223406B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an improvement in a binding device, and in particular, the length of the wound ends of objects to be bound using non-adhesive tape is shortened. This invention relates to a binding device that can cut a binding tape so that the binding tape is cut as follows.

(Prior Art) Conventionally, a binding device of the type shown in FIG. 1 has been known. This thing has a shaft 3 attached to the support frame 2 of the base 1.
The base of the binding arm 4 is pivotally connected to this shaft 3, and is biased in the upright direction by a spring 5, and in conjunction with the tilting movement of the binding arm 4, the movement is transmitted to a rotation transmission member 6. ,7,8,9,10,1
1 and 12, and is transmitted to the tape reel 12A, so that the tape reel 12A is rotationally driven in the direction of arrow A in FIG. The binding arm 4 is provided with a plurality of guide rollers 13 in the longitudinal direction of the binding arm 4, and the binding tape 14 is guided by the guide roller 13, passes through the head portion 15 of the binding arm 4, and then passes through the cut end of the binding tape 14. The part is fixed to a holding device 16 fixed to the base 1. The holding device 16 includes a pressure receiving base 17, a holding body 18, and a clamping arm 19. The holding body 18 and the clamping arm 19 work together to hold the cut end of the binding tape 14. have. On the other hand, the head portion 15 includes a cutting blade 20 and a crimp rod 21.
The binding tape 14 is wound around the object 22 in the following manner.

That is, when placing the objects 22 to be bound on the mounting table 23, the binding tape 14 is pulled out from the tape reel 12A, and the binding tape 1 is placed on the objects 22 to be bound.
4 is wound half-wound, and then the binding arm 4 is tilted using the binding handle 24 provided on the head portion 15 of the binding arm 4. Then, the tape reel 12A is rotated in the direction of arrow A in FIG.
is tightened, and both winding ends of the binding tape 14 are crimped by the cooperative action of the pressure receiving base 17 and the crimping rod 21, and then the clamping arm 19 is attached to the pressure receiving base 1.
7, the cutting edge of the binding tape 14 is released from being held, and the cutting blade 20 descends to cut the binding tape 14 and wind the binding tape 14 around the object 22. When this is completed, the newly cut end of the binding tape 14 is held by the holding body 18 and the holding arm 19.

(Problems to be Solved by the Invention) By the way, in this conventional binding device, since the clamping arm 19 is provided between the holding body 18 and the pressure receiving base 17, the free end of the clamping arm 19 The holding body 18 and the pressure receiving base 17
This has the drawback that the wound end portion of the binding tape 14 becomes long.

(Means for Solving the Problems) In order to solve the above problems, the present invention utilizes the joint movement of the head portion of the binding arm provided on the base so as to be tiltable, and the holding device also fixed on the base. In the holding device of the binding device which grips the cut end of the tape, a support plate and a heating table are erected on the base.

The support plate is swingably provided with a clamping arm having an extending portion bent in a substantially right angle direction, and is located close to the top of the heating table, and the clamping arm swings so that the tip of the extending portion is Place the holding rod horizontally at the position where it contacts.

Further, a spring is provided to apply an elastic force to press the tip of the extension part to the holding rod, and an engagement arm that swings the clamping arm in cooperation with the head part by the tilting movement of the binding arm; The clamping arm is characterized in that a state maintaining plate for maintaining the swinging position of the clamping arm is swingably provided on the clamping arm.

(Function) With this configuration, the non-adhesive tape is held between the holding rod provided close to the heating table and the tip of the extending portion, and is held by the elastic force of the spring.

Therefore, the length from the part welded on the heating table to the cut end of the tape becomes shorter. By the tilting movement of the binding arm, the engaging arm and the state maintaining plate operate together with the head, and the clamping arm swings to release the tape grip and grip the cut end of the tape, thereby completing the binding.

(Example) Examples of the present invention will be described below based on the drawings.

2 to 6 show a first embodiment of the present invention, and here, an example in which the present invention is applied to a heat-sensitive type binding device will be described.

In FIGS. 2 to 5, the base 25 includes:
A pair of support plates 26 are provided, and the support plates 26
A heating table 27 as a pressure receiving table, which is integrated with or separate from the support plate 26, is provided near the heating table 2.
7 has a built-in heater (not shown), and the upper part of the heating table 27 is formed into a V-groove 28. A holding rod 29 serving as a holding body is stretched across and fixed between the support plates 26, and the heating table 2 is connected with the holding rod 29 as a boundary.
A clamping mechanism 30 is provided on the opposite side from 7. The clamping mechanism 30 includes a clamping arm 31 and an engaging arm 32.
, an engagement cam 33 , and a state maintenance plate 34 . The clamping arm 31 has extended portions 35 and 36 that extend in opposite directions, and the tip of the extended portion 35 is formed into a V-groove 38 to cooperate with the holding rod 29 to hold the binding tape 37. ing. A shaft 39 is fixed to the lower part of the support plate 26, and the clamping arm 31 can swing around this shaft 39 as a fulcrum.
A shaft 40 and a shaft 4 are arranged along the longitudinal direction of the clamping arm 31.
1, the engagement arm 32 is swingable about the shaft 41, and the state maintenance plate 34 is arranged around the shaft 40.
It is said to be able to swing around the fulcrum. Further, the engagement arm 32 is provided with a pin 42, and the support plate 26 is provided with a pin 42.
A spring 44 is stretched between a pin 43 and a pin 42 provided at the upper part of the engagement arm 32, and the engagement arm 32 is urged to rotate in the direction of arrow B in FIG. .

A cutting blade support member 45 is provided on the side of the support plate 26 near the heating table 27, and the cutting blade 46 is provided with its cutting edge facing upward, and the cutting blade support member 4
5 and a pin 47 provided on the extension portion 36, a spring 48 is stretched between the clamping arm 31 and the pin 47 provided on the extension portion 36.
It is biased to rotate in the direction of arrow C in FIG. 2, using the shaft 39 as a fulcrum. The engagement cam 33 has an engagement surface 33
a, and is rotatable about a shaft 49 that spans the support plate 26 as a fulcrum. The engagement cam 33 is provided with an engagement rod 50 extending parallel to the shaft 49, and the engagement rod 50 is connected to the support plate 26.
A spring 52 is stretched between the engagement rod 50 and the pin 43, so that the engagement cam 3
3 is urged to rotate in the direction of arrow D in FIG. 2 with shaft 49 as a fulcrum. Engagement surface 33 of engagement cam 33
a and the engagement surface 32a of the engagement arm 32, while holding the cut end 37a of the binding tape 37 by the cooperative action of the clamping arm 31 and the holding rod 29, as shown in FIG. The fourth
As shown in FIG. 5, the engagement cam 33 rotates at a predetermined angle in the direction opposite to the direction of arrow D, and the cut end 37a
The engagement is released during the release of the holding.

The condition maintaining plate 34 has engaging cutout portions 53 and 54 and a pin 55, and the pin 55 and the clamping arm 3
A spring 57 is stretched between the pin 56 provided on the shaft 40 and the state maintaining plate 34.
It is urged to rotate in the direction of arrow E in FIG. 2, with . A guide hole 58 is provided at the bottom of the support plate 26.
is provided. This guide hole 58 extends long in the vertical direction.
is provided. The vertical moving plate 59 is connected to the head portion 6
0, and an engaging portion 59b that engages with the engagement cut-out portions 53, 54 of the state maintenance plate 34. A spring 61 is interposed between the vertically movable plate 59 and the vertically movable plate 59 in the direction of arrow E in FIG.

A guide groove 62 that extends in the vertical direction is provided on the upper part of the support plate 26, and a clamping rod 63 is provided in the guide groove 62 so as to be movable up and down. is being energized.

The head portion 60 has a guide roller 64, and the binding tape 37 passes through the guide roller 64 and extends toward the clamping mechanism 30. The head portion 60 includes an engagement roller 65 and a cutting auxiliary member 6.
6, a relief rod 67, a pressing member 68, and an engaging member 69 are provided. The engagement member 69 is
The engaging cam 33 is adapted to engage with the engaging rod 50, and when the lower surface of the engaging member 69 engages with the engaging rod 50, the engaging cam 33 rotates in the direction opposite to the direction of arrow D. , the clamping arm 31 rotates in the direction opposite to the direction of arrow C, and the cut end 37a of the binding tape 37 is released from being held. At this time, the heating table 27 and the pressing member 68 press together both winding ends 37b of the binding tape 37 wound around the object to be bound 70, and heat-seal the both winding ends 37b. It's summery.

Immediately before cutting, the engagement roller 65 and the clamping rod 63 are adapted to engage with each other, so that the binding tape 37 is clamped during cutting, and is bound by the tension applied during cutting. The tape 37 is prevented from being pulled out from the tape reel. The cutting auxiliary member 66 has a through hole 71 as shown in FIG.
As shown in FIG.
0 comes into contact with the engagement surface 59a of the vertically movable plate 59, the vertically movable plate 59 is pushed downward, the engagement between the vertically movable plate 59 and the state maintenance plate 34 is released, and the clamping arm 31 is released. When rotated in the direction of arrow C, the extended portion 35 passes through the through hole 71 and comes into contact with the holding rod 29.

Next, the effect will be explained.

In the process of placing the object 70 on the mounting table,
The binding tape 37 is half-wound around the object to be bound 70. When the binding arm is tilted by the binding handle, excess tape is rewound onto the tape reel and tension is applied to the binding tape 37. Immediately before the engaging member 69 provided on the head portion 60 engages the engaging rod 50, the heating table 27 and the pressing member 6
8, both winding ends 37b of the binding tape 37 are heat-fused.

When the engagement member 69 comes into contact with the engagement rod 50, the engagement cam 33 rotates about the shaft 49 in the direction opposite to the arrow D direction in FIG. Due to the engagement relationship with the arm 32, the clamping arm 31 moves in the direction of arrow C in FIG.
rotated in the opposite direction. As a result, the holding of the cut end portion 37a of the binding tape 37 is released.

When the engagement cam 33 rotates by a predetermined angle, the engagement rod 5
0 and the engagement member 69 is released, and the engagement cam 3
3 stops rotating. Moreover, at this time, the engagement between the engagement arm 32 and the engagement cam 33 is also released. Immediately before the engagement between the engagement arm 32 and the engagement cam 33 is released, the engagement between the engagement cutout portion 53 of the state maintaining plate 34 and the engagement portion 59b of the vertically movable plate 59 is released, and the vertically movable plate 59 and the engagement cutout portion 54 of the condition maintenance plate 34 engage with each other, and the clamping arm 3
1 is maintained in this state.

Further, when the binding arm is tilted, the head portion 60 is lowered, and the engagement roller 65 and the clamping rod 63 come into contact with each other, so that a part of the binding tape 37 is clamped as shown in FIG. . At this time,
The binding tape 37 is in a state just before being cut, and the action of the cutting auxiliary member 66 causes the binding tape to be cut between both winding ends 37b and the binding tape portion held by the engaging roller 65 and the clamping rod 63. When tension is applied to the portion and the cutting auxiliary member 66 descends, the cutting blade 46 enters and the binding tape 37 is cut.

Furthermore, when the head section 60 is tilted, the lower surface 60a of the head section 60 is brought into contact with the engagement surface 5 of the vertical movement plate 59.
9a, the vertical moving plate 59 descends. Then, the engaging portion 59b of the vertically movable plate 59 and the state maintaining plate 3
4 is released, the clamping arm 31 rotates in the direction of arrow C in FIG. Then, the newly cut end portion is held between the V groove 38 of the extended portion 35 and the holding rod 29. At this time, since the release rod 67 releases both wound ends 37b of the binding tape 37 between the heating table 27 and the holding rod 29, both wound ends 37b are not held after cutting.

When the binding arm is raised, the engagement between the engagement roller 65 and the clamping rod 63 is released, and the engagement cam 33 is rotated in the direction of arrow D in FIG. 4 by the biasing force of the spring 52. Then, it returns to the original state shown in FIG. 1, and the binding of the objects 70 is completed.

According to the present invention, the holding rod 2 is placed near the heating table 27.
9, the length of the winding end can be shortened, and the object to be bound 70 can be shortened.
can improve its appearance.

FIG. 7 shows a second embodiment of the present invention, in which the same components as in the first embodiment are designated by the same reference numerals as in the embodiment, and detailed explanation thereof will be omitted. Only the different parts will be explained.

This second embodiment differs from the first embodiment in the following points.

(1) Here, the upper surface of the heating table 27 is a flat surface 72, and the lower surface 73 of the pressing member 68 that comes into contact with the flat surface 72
The slope 7 is also a flat surface, and the slope 7 is adjacent to the flat surface 72.
4 is formed on the heating table 27, and the distance between the flat surface 72 and the holding rod 29 is smaller than in the previous embodiment. An elastic member 75 is fixed to the head portion 60, and its tip abuts against the slope 74, whereby the winding end 3 of the binding tape 37 is moved by the cooperation between the elastic member 75 and the slope 74.
7b is heat-fused over its entirety. The elastic member 75 also has the same function as a relief rod, and since the elastic member 75 reliably heats and fuses up to the cut end of the winding end portion 37b, it is better than the first embodiment. The appearance of the object 70 to be bound becomes better.

(2) Here, the engaging roller 65 is provided on the support plate 26, the clamping plate 76 having the function of the clamping rod 63 is fixed to the head part 60, and the engaging roller 65 is always supported by the coil spring 77. It is configured to be resiliently biased upward. This second
In the case of the embodiment, since the engagement roller 65 has a function of rotating and feeding out the binding tape 37, adhesive tape can be used as the binding tape 37 in addition to the heat-sensitive tape. In this case, it is not necessary to use the heating table 29 as the pressure receiving table.

(3) Here, a decorative plate 78 is provided surrounding the support plate 26, and a guide plate 79 is provided between the decorative plate 78 and the cutting blade support member 45,
The clamping arm 31 is made to swing along this guide plate 79, and the decorative plate 78 and the clamping arm 31
A spring 80 is provided between the two and is configured to elastically bias the clamping arm 31 in the direction of arrow F in FIG. In this example,
Since the clamping arm 31 swings along the guide plate 79, the cut end of the binding tape 37 can be held accurately.

FIG. 8 shows a third embodiment of the present invention.
Components that are the same as those in the first embodiment will be given the same numbers as those used in the first embodiment, detailed explanations thereof will be omitted, and only differences will be explained.

In this embodiment, the extending portion 35 of the clamping arm 31 is
is extended to the other side, and this extended portion 81 is provided with a shaft 82 and a regulating pin 83. axis 82
An engagement lever 84 is rotatably provided on the holder, and one side of the engagement lever 84 is a guide surface 84a. Engagement lever 8
4 is provided with a pin 85 at the end farthest from the shaft 82, and a pin 86 is provided on the support plate 26,
A spring 8 is placed between this pin 85 and pin 86.
7 is hung over the engagement lever 84 as shown in FIG.
In the state shown in FIG. 8 where the engagement lever 84 is prevented from rotating in the direction of arrow G, the other side of the engagement lever 84 comes into contact and the rotation is stopped.

An engaging rod 88 is fixed to the head portion 60, and a guide groove 89 is provided in the support plate 26 to allow the engaging rod 88 to move downward.

In this embodiment, as the head portion 60 descends, the engagement rod 88 also descends, and the clamping arm 31 that the engagement rod 88 abuts rotates in the direction opposite to the direction of arrow C, releasing the holding of the binding tape 37. be done. The engagement rod 88 moves along the guide surface 84a of the engagement lever 84 to the end on the shaft 82 side, and engages the clamping arm 31.
After rotating by a certain angle in the direction opposite to the direction of arrow C, the engagement between the engagement lever 84 and the engagement rod 88 is released. The fact that the clamping arm 31 is maintained in this disengaged state is the same as in the first embodiment, and after winding and cutting are completed, the clamping arm 31 moves in the direction of arrow C as the head section 60 descends. Rotate to
Holding the binding tape 37 is also the same as in the first embodiment.

At that time, the engagement rod 88 is located below the engagement lever 84, but as the head portion 60 rises, the engagement rod 88 comes into contact with the engagement lever 84, causing the engagement lever 84 to move upward. Since the engaging rod 88 is rotated in the direction opposite to the direction of the arrow G in FIG. 8, the engaging rod 88 can be raised without any problem.

(Effects of the Invention) As detailed above, according to the present invention, a holding rod is provided close to the top of the heating table, and the tape is held between this holding rod and the tip of the extension part, so that heating is possible. The length from the part welded on the stand to the cut end of the tape can be made as short as possible.

As a result, the bundled products have a good appearance and have an excellent effect of improving the product value.

In addition, since the tape is held between the holding rod and the tip of the extension part using the elastic force of the spring, the cut end of the tape is firmly and reliably held even with non-adhesive tape, and the tilting movement of the binding arm is prevented. Since an engaging arm and a state maintenance plate are provided that operate in conjunction with the head, clamping and releasing the clamping between the holding rod and the tip of the extension part can be done simply by tilting the binding arm. be able to.

As a result, it has the excellent effect of improving the bundling work efficiency and improving the commercial value at the same time.

[Brief explanation of drawings]

FIG. 1 is a side view of a conventional binding device. FIG. 2 is a partial sectional view for explaining the binding tape holding state of the binding device according to the present invention. FIG. 3 is a partially enlarged front view of the cutting auxiliary member according to the present invention. FIGS. 4 and 5 are partial cross-sectional views for explaining the binding tape released state of the binding device according to the present invention. FIG. 6 is a schematic view of FIG. 5 when viewed from the direction of arrow x. FIG. 7 is a partially sectional view showing a second embodiment of the binding device according to the present invention. FIG. 8 is a partially sectional view showing a third embodiment of the binding device according to the present invention. 27... Heating table (pressure receiving table), 29... Holding rod (holding body), 37... Binding tape, 37a... Cut end, 37b... Winding end, 69... Pressing member.

Claims (1)

[Claims] 1. In the holding device of the binding device, the cut end of the tape is gripped by cooperation of the head portion of the binding arm provided on the base so as to be tiltable and the holding device also fixed to the base. A support plate and a heating table are erected on a base, and a clamping arm having an extending portion bent at a substantially right angle is swingably provided on the support plate, and the clamping arm is close to the top of the heating table and the clamping arm A holding rod is horizontally suspended at a position where the binding arm swings and the tip of the extension comes into contact, and a spring is provided to apply an elastic force to the holding rod so as to press the tip of the extension, and the binding arm is tilted. The binding device is characterized in that the clamping arm is swingably provided with an engagement arm that swings the clamping arm in cooperation with the head portion when the clamping arm moves, and a state maintenance plate that maintains the swinging position of the clamping arm. .