JPH0737244B2 - Flat tube fitting method and device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for fitting a flat tube used in, for example, a dry battery.

[0002]

2. Description of the Related Art Generally, a dry battery is provided with a heat-shrinkable tube for the purpose of insulation, prevention of leakage of content liquid, and the like.
Conventionally, the tube 100 is externally fitted to the dry battery main body 103 by adsorbing from both sides by a pair of adsorbents 101a and 101b that can be separated from each other and opened, and then the tube 100 is
100 is contracted by heating and is closely attached to the dry battery main body 56.

[0003]

However, as in the above-mentioned conventional method, the tube 100 can be formed by the adsorbents 101a and 101b.
However, in the means for sucking from both sides, there is a drawback in that the tube 100 cannot be reliably attached to the dry cell main body 103 due to defective opening of the tube 100 due to a suction error. This improper mounting was particularly noticeable in the tube 100 with a small diameter and the tube 100 with a large wall thickness and high rigidity.

In addition, a vacuum pump device is required to suck the tube 100 by the conventional adsorbents 101a and 101b, and a large device is required to increase the suction force so that suction mistakes can be eliminated. However, there is a problem in that the vacuum pump device produces a lot of noise.

The present invention has been made in view of the above-mentioned problems of the prior art, and enables a tube to be surely opened and attached without vacuuming, and a vacuum pump device is not required, which causes a problem of noise. An object of the present invention is to provide a flat tube fitting method and a device thereof that can be eliminated.

[0006]

The present invention has been made as a method and apparatus for fitting a flat tube in order to solve the above problems. The flat tube fitting method is characterized by the flat tube 1 Both edges in the width direction
The crease forming portion 9 is attached to the portion other than 1a by the habit forming means 5.
Formed in the length direction of the sleeve 1 and having a crease 9 formed therein.
The edges 1a and / or the creases 9 to open the sleeve 1.
And with a pair of opening claws 40, 41 over the length direction.
Clamp it from both sides with the opening claws 40 and 41.
The probe 1 is conveyed to the mounting position C and externally fitted to the inserted body 46.
Especially.

The flat tube fitting device is characterized in that the flat tube 1 has widthwise edges 1a and above.
Form a crease 9 on the outside in the length direction of the tube 1.
Fold forming means 5 and a churn formed with a fold portion 9
Both edges 1a and / or creases 9 should be
A tube opening having a pair of opening claws 40 and 41 that are pressed from the side
The mouth device 35 and the chew expanded into the opening claws 40 and 41.
Fitting device for flat tube that fits the tube 1 onto the inserted body 46
In this case, the opening claws 40 and 41 are the lengths of the tube 1.
Can be clamped in any direction, and the tube 1 can be inserted
It must be provided so that it can be transported to the mounting position C where it is fitted onto the body 46.
There is something to do.

[0008]

In the flat tube fitting method and apparatus according to the present invention, since the crease portion 9 is formed by the crease forming means 5 at a portion other than both edges 1a in the width direction of the tube 1, the tube 1 Even if the wall thickness of the tube is thick or the waist is strong, if the both edge portions 1a and / or the crease portion 9 of the tube 1 are clamped from both sides and pressed, the crease portion 9 and the both edge portions 1a are angled. The tube 1 can be easily opened into a predetermined shape. Also, when opening the tube 1
The opening claws 40 and 41 extend along the length of the tube 1.
Since it is sandwiched, the open state of the tube 1
Can be made uniform over the length, and the tube 1 can be inserted
It can be transported up to 46 stably and can be fitted securely.

Moreover, when opening the tube 1,
Since the tube 1 is not sucked, the vacuum pump device becomes unnecessary, and the problem of noise caused by the vacuum pump device is solved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 1 is a heat-shrinkable tube wound in a roll shape, and the tube 1 is attached to a machine base 3 so as to be freely drawn out.

Numeral 5 is a first folding portion as a crease forming means, and the crease portion 9 is provided at the center position in the width direction of the tube 1 which is fed by the pair of driving rubber rollers 4a and 4b through the idle rollers 6 and 7, respectively. It is for forming. As shown in FIG. 2, the first folded-back portion 5 is a tube 1
A pair of lower pressing rollers 10a and 10b for sandwiching the lower pressing roller, and a lower pressing roller above the lower pressing rollers 10a and 10b.
Upper pressing rollers 12a, 12b arranged orthogonally to 10a, 10b to press and clamp the tube 1, and lower pressing rollers 10a, 10a,
Tube 1 between 10b and upper pressure rollers 12a, 12b
And a tetrahedron-shaped folding jig 13a placed inside.

Reference numeral 14 denotes a second folding portion, which is a pair of lower pushing rollers 15a and 15b facing the same direction as the upper pushing rollers 12a and 12b of the first folding portion 5, and the lower pushing roller 15.
A pair of upper pressing rollers 16 above a and 15b and orthogonal to each other
It is composed of a and 16b and a tetrahedral folding jig 13b.
Therefore, by the second folding portion 14, the idle roller
The tube 1 fed out through 17, 18, 19, 20 is returned to the original state before passing through the first turnback section 5 again.

As shown in FIG. 3, circumferential grooves 13, 13a are formed on the driving rubber rollers 4a, 4b and the idle roller 21 on and after the second folding portion 14, respectively. , 13a, the crease 9 of the tube 1 is positioned so that the crease does not disappear.

Reference numeral 25 is a conveying device for conveying the tube 1 cut to a predetermined length to the cutter device 26. As shown in FIGS. 4 and 5, the conveying device 25 is rotated in the direction of the arrow by the rotary shaft 24. The rotary table 26 and a plurality of tube transfer claw mechanisms 28 arranged on the rotary table 26 are provided.

The tube transfer claw mechanism 28 is a rotary table.
A fixed claw 29 fixed to the 26 and a swing claw 30 swingably provided around a support shaft 31 so that both end edges 1a of the tube 1 can be held by the fixed claw 29. , Swing claw 30
Is fixed by the spring 32 attached to the support shaft 31.
Between the position A for receiving the cut tube 1 and the delivery position B for supplying the tube 1 to the tube opening device 35 while being biased in a direction away from 29,
A cam 27 approaches the fixed claw 29 against the spring 32 to clamp the tube 1.

The tube opening device 35 is the transfer device.
The rotary shaft of the rotary drive device 33 which is installed in parallel on the rotary table 26 of 25
A rotary table 36 rotated by 33a, a pair of opening claws 40 provided on the rotary table 36 and swingable about the support shaft 34 so as to come into contact with and separate from each other, and between the opening claws 40. The opening claw 40 is provided with a spring 41 for urging the opening claws 40 in a direction of separating from each other, and the opening claws 40 are gradually approached by the cam 38 during the rotation of the rotary table 36 from the delivery position B to the mounting position C. Both edges 1a of the tube 1 are pressed and opened.

The opening claw 40 has a predetermined thickness in the vertical direction.
The tube 1 can be clamped in the length direction.
Has become. Incidentally, the rotary shaft 33a of the rotary shaft 24 and the tube opening 35 of the conveying apparatus 25 rotates the respective rotating tables 26 and 36 in conjunction through the timing belt 42.

Reference numeral 45 denotes a tube 1 opened as shown in FIG.
Are provided above each opening claw 40 by a plurality of fitting devices for external fitting to the dry battery main body 46 that is sequentially conveyed, and are designed to rotate integrally with the opening claw 40. The fitting device
Reference numeral 45 denotes a mandrel 48 that is vertically movable via a cam 50 and is inserted into the tube 1 when rotating, and the mandrel 48.
And a positioner 49 that can be moved up and down via the cam 50 in order to lower the tube 1 inserted in the

An embodiment of the present invention has the above-mentioned structure,
Next, a method of mounting the tube 1 on the dry battery main body 46 using the apparatus will be described.

First, the original tube 1 attached to the machine base 3 is fed out by the rotation of the driving rubber rollers 4a and 4b. In the first folding portion 5, the original tube 1 passes through the lower rotary rollers 10a and 10b. While the tube 1 is being drawn out, the central portion thereof is pressed and nipped by the upper pressing rollers 12a and 12b, and the crease 9 is formed along the length direction of the tube 1.

Tube 1 having folds 9 formed on both sides
Passes through the idle rollers 17, 18, 19, 20 and further, in the second folding portion 14, the tube 1 is returned to its original state again by the cooperation of the upper pressing rollers 12a, 12b and the lower pressing rollers 15a, 15b. The cutter device 26 cuts the product into a predetermined length. The tube 1 that has passed through the second folded portion 14
Since the crease 9 is located in the circumferential grooves 13 and 13a of the idle roller 21 and the driving rubber rollers 4a and 4b, the crease does not disappear.

Both edge portions 1a of the cut tube 1 are clamped by a tube conveying pawl mechanism 28 which rotates together with a rotary table 26 of the conveying device 25. At the time of this clamping, the tube 1
As shown in FIG. 6A, the fixed claw 29 and the swing claw 30 are sandwiched while being guided by the guide bodies 44 provided on both sides, so that both claws
29 and 30 can hold the tube 1 stably.

Further, the tube 1 has a tube conveying claw mechanism 28.
Is conveyed to the delivery position B by the rotation of, and at this position B, the tube 1 is supplied from the tube conveying claw mechanism 28 to the opening claw 40 of the tube opening device 35. That is, the opening claw 40
Is set to be slightly higher than the rotation speed of the tube conveying pawl mechanism 28, and when the tube 1 clamped by the tube conveying pawl mechanism 28 is approached by the opening pawl 40, the tube conveying pawl mechanism 28 The swinging claw 30 swings in the separating direction.

Furthermore, the opening pawl 40 is sandwiched by pressing the tube 1 in close proximity, is opened in a substantially rectangular shape as shown in FIG. 6 (b),
The opening claw 40 moves the tube 1 by rotating the rotary table 26.
Carry it to the mounting position C. Next, after the mandrel 48 descends and is inserted into the tube 1, the positioner 49 descends, and the tube 1 descends from the mandrel 48 and is fitted onto the dry battery main body 46. Further, the tube 1 is externally fitted and then heat-shrinked by a shrink device (see FIG. 8).

The present invention is not limited to the above-mentioned embodiment, and the inserted body may be an article other than the dry battery main body, and its shape and size can be arbitrarily set.

Moreover, in the above embodiment, the conveying device 25 is provided between the cutting device 26 for the tube 1 and the tube opening device 35.
However, the transport device 25 is not essential, and the tube 1 cut by the cutting device 26 may be directly held by the tube opening device 35 and opened.

Further, in the above-described embodiment, the case where the tube 1 is provided with the first folded-back portion 5 forming the crease 9 and the second folded-back portion 14 which restores the original flat shape is exemplified.
It is also possible to open the tube 1 by sandwiching the peculiar part 9 after forming the peculiar part 9 on the tube 1 including only the first folded part 5.

Further, the opening shape of the tube 1 is not limited to the rectangular shape, and it may be opened in other polygonal shapes.
The portion of the tube 1 to be clamped may also be configured to clamp both sides 1a of the tube 1 and the crease forming portion 9 at the same time, as shown in FIG. Moreover, the tube opening device
The tube 1 opened by 35 may be directly fitted onto the fitted body without using the mandrel 48 as in the above embodiment.

[0029]

According to the present invention, a crease forming means for forming a crease portion along the length direction of the tube 1 at a portion other than both edges in the width direction of the flat tube, and formation of the crease portion. Since it is provided with a tube opening device that clamps and presses the formed tube from both sides to open, compared with the conventional structure that adsorbs both sides of the tube, in particular, the wall thickness of the tube is thick, Even when the user is stiff, it is possible to prevent the occurrence of a defective opening of the tube, and it is possible to reliably attach the tube to the inserted body.

Further, the opening claw is arranged in the length direction of the tube.
Can be clamped across and the tube can be externally fitted to the inserted object.
It can be transported freely to the mounting position
The opening of the tube can be made uniform over both ends, and
Wearing that the inserted body stands by without being dropped
Can be reliably transported to the position, and the tube can be inserted into the inserted body.
There is an advantage that can be done smoothly. Moreover, the suction pump device is not required, the problem of noise caused by the suction pump device can be solved, and the size of the entire device can be simplified and downsized.

In addition, the method of fitting the flat tube
If you use the flat tube fitting device
It is possible to easily achieve automation of mounting work.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention,
(B) is the same front view.

FIG. 2 is a perspective view showing a folded state of a tube.

FIG. 3 shows an embodiment of the present invention, in which (a) is a sectional view of a driving rubber roller and (b) is a plan view of an idle roller.

FIG. 4 is a plan view of a transport device and a tube opening device.

FIG. 5 is a sectional view showing a main part.

6A and 6B show an embodiment of the present invention, in which FIG. 6A is a cross-sectional view when the tube is clamped by the tube conveying claw mechanism, and FIG. 6B is a plan view when the tube is opened by the swinging claw.

FIG. 7 shows an embodiment of the present invention, (a) is a front view showing a state in which a tube is externally fitted, and (b) is a sectional view showing a state in which the tube is attached to the dry battery main body.

FIG. 8 is a plan sectional view showing another embodiment of the present invention.

FIG. 9 is a plan view showing a conventional example.

[Explanation of Codes] 1 ... Tube, 1a ... Both edges, 5 ... Folding habit forming means, 9 ... Folding habit, 35 ... Tube opening device, 46 ... Inserted body (dry cell body), C ... Mounting position

Claims (2)

[Claims] 1. Both sides of the flat tube (1) in the width direction.
A crease forming means (9) is formed on a portion other than the edge portion (1a).
Form (5) along the length of the tube (1) and fold
To open the tube (1) on which the habit part (9) is formed,
Both edges (1a) and / or creases (9) and length direction
On both sides with a pair of opening claws (40) and (41)
From the opening claws (40) and (41).
The tube (1) is conveyed to the mounting position (C) and the body is inserted
A method of fitting a flat tube, characterized in that the flat tube is fitted onto (46) . 2. Both sides of the flat tube (1) in the width direction.
A tube with a crease (9) on the part other than the edge (1a)
A crease forming means (5) formed in the length direction of (1);
Open the tube (1) with the crease (9)
The edges (1a) and / or the creases (9) from both sides.
A tube having a pair of opening claws (40) and (41) for pressing
Equipped with an opening device (35) and expanded to opening claws (40), (41)
Of the externally fitted tube (1) to the fitted body (46)
In the flat tube fitting device, the opening claw (4
0) and (41) cross the tube (1) in the longitudinal direction.
And the tube (1) can be inserted into the inserted body (4
It is provided so that it can be transported up to the mounting position (C) that fits over 6).
Fitting apparatus of the flat tubes, characterized by comprising Te.