JPH0248329Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field The present invention relates to a tube attachment device, and more specifically, to a device for attaching a tube to a container such as a bottle, etc. It relates to a device for covering the outside of an object with a tube.

(B) Prior art In recent years, a shrink label made of a heat-shrinkable tube on which the quality indication or trade name of the product to be placed in the container is printed is attached to the outer periphery of a container such as a bottle, and the label is attached to the outer periphery of the container. The aim is to simplify the printing of such quality indications or trademark names and to strengthen the container.

Conventional apparatus for applying such shrink labels include, for example, US Pat. No. 3,924,387.
There is something indicated in the number. As shown in FIGS. 2 and 4 of the same U.S. patent, this device has a plurality of openings spaced apart in the circumferential direction for receiving tubes or shrink labels in an intermittently rotating disc, and a folded tube. The disk is pulled out and cut to a certain length, then inserted into the opening, and the disk is rotated intermittently to send the tube to the mounting position, and the tube is brought into contact with the expanding member provided at the mounting position, making the tube almost cylindrical. After that, the tube inside the opening is pushed down with a pusher and attached to the outside of the container waiting below.

However, with this device, the device for restoring the tube to a cylindrical shape is equipped with a disk that is quite large compared to the size of the tube, and there are many parts, so the size (length, thickness) of the tube is limited. There is a problem in that the replacement of parts due to changes becomes complicated and difficult, making it unsuitable for mounting a small number of tubes of many types, which requires frequent replacement of such parts.

(c) Problems to be solved by the invention The problem to be solved by the invention is to easily and quickly change the size of the tube to be installed in a tube installation device by reducing the number of replacement parts. The goal is to make the entire device more compact and reduce costs.

(d) Means for solving the problem The present invention is a tube that pulls out a flat folded tube, cuts it to a certain length, spreads the cut tube into an almost cylindrical shape, and covers the outside of the object to be attached. In this mounting device, a guide plate in which a guide groove for receiving the flat tube is formed below the supply position of the tube and a support plate supporting the lower end of the tube inserted in the guide groove are provided, A spreading member having an arcuate engagement surface is provided at the mounting position where the object temporarily stops and waits, and a flat tube is inserted into the guide groove and an opening of approximately the same size as the diameter of the tube. A movable plate is formed with a receiving notch and cooperates with the expanding member to open the tube inserted into the opening into a substantially cylindrical shape, and is capable of linearly reciprocating between the guide plate and the expanding member. A pusher for pushing out the tube in the opening is provided above the mounting position.

(e) Effect In the above configuration, the flat tube is inserted into the guide groove and the opening while the movable plate is kept waiting at the position of the guide member. Thereafter, the movable plate moves to the position of the spreading member and sends the tube placed in the opening of the moving plate to the mounting position, and the tube comes into contact with the engagement surface of the spreading member so that the circle of the opening and the arc-shaped engagement of the spreading member are connected. The action of the mating surfaces expands the tube into a substantially cylindrical shape.

Pushya then descends, pushing the tube down,
It is attached to the outside of the object to be attached, which is waiting under it.

(F) Embodiment An embodiment of the tube mounting device according to the present invention will be described below with reference to the drawings.

The tube mounting device 1 of this embodiment includes a belt conveyor 21 having a known structure, a guide rail 22 provided above the belt conveyance surface of the belt conveyor 21 along the belt transfer direction, and a guide rail 22 provided on the opposite side of the guide rail. It has a transfer mechanism 20 having a screw conveyor 24 provided along a guide rail 22, and a mounting mechanism 30.

As shown in FIG. 2, the screw conveyor 24 has a shaft 25 on the outer periphery of which is formed a spiral groove 26 which advances with a constant lead and is adapted to receive the side of the bottle b. . This spiral groove 26
A portion 16' is formed in which the lead temporarily does not advance at the mounting position, which will be described later. This portion extends approximately 100° in the circumferential direction of the shaft. axis 25
The bottle is rotated so that the bottle feed through the spiral groove is approximately the same as the bottle feed through the belt.

This transfer mechanism 20 consists of a belt conveyor 21, a guide rail 22, and a screw conveyor 24.
4, the bottle is moved at a predetermined speed while maintaining a predetermined distance, and the spiral groove portion 26' is moved at the mounting position.
This causes bottle b to be temporarily stopped.

In FIGS. 1, 3 to 5, the attachment mechanism 30 is disposed below the pull-out position of the tube t and above the belt conveyor 21 in parallel with the belt conveyor, and is attached to the cut tube t. It has a support plate 31 that supports the support plate 31 from below, and a guide member 32 provided vertically apart from the top of the support plate 31. The guide member 32 defines a guide groove 33 in which the tube T is turned 90 degrees from the folded state and receives the tube T in a substantially flat state. The guide member 32 is integrally fixed to the support plate 31 via a mounting plate 34. The guide groove 33 widens upward to facilitate insertion of the tube t.

The support plate 31 has a tube t at the mounting position B.
A circular hole 35 is formed through which the hole passes. Support plate 3
1 is provided with a widening member 36 adjacent to the hole 35. As shown in detail in FIG. 5, the spreader member 36 is formed with an arcuate engagement surface 37 and two horizontal grooves 38 that are vertically separated from each other.
The spreader member 36 is further formed with notches 39 circumferentially spaced apart by 90°, which remain connected to the engagement surface.

The mounting mechanism 30 further includes a guide rod 40 provided on the upper side of the support plate 31, and a pair of upper and lower moving plates 4 movably supported by the guide rod 40.
1. The moving plate 41 has a circular receiving hole 42 approximately the same size as the circular cross section of the tube,
A notch 43 opening into the receiving hole and four notches 44 equally spaced in the circumferential direction are formed. This movable plate 41 is on standby at a position overlapping the guide member 32 when the tube t is supplied.

The mounting mechanism 30 also has a disk-shaped pusher 45 provided above the mounting position so as to be movable up and down by a known device such as a cylinder. Pushya 4
Four protrusions 46 that fit into the notches 44 of the movable plate 41 are formed at equal intervals in the circumferential direction on the outer periphery of the movable plate 5 . This protrusion facilitates extrusion of the tube within the moving plate.

Reference numeral 10 denotes a sensor 11 that detects the printed pattern on the tube, an opening float 12 that is placed inside the tube t and opens the folded tube t and folds it in a different direction by 90 degrees, and a feeding roller 13 that feeds out the tube t. and a cutter 14, the tube feeding mechanism has a belt conveyor 2
1 and the screw conveyor 24, and when the detector 28 attached to the guide rail 22 detects this, the detection signal causes, for example, a clutch to operate and the feed roller 1
3, the tube is fed out, and when the tube t is fed a predetermined length and the sensor 11 detects a printed pattern, the rotation of the feeding roller is stopped.

In the above configuration, the movable plate 41 is connected to the guide member 32.
The tube t is fed by the tube supply mechanism to the place where the tube t is waiting in a state overlapping with the guide groove 3.
3 and the receiving hole 42 in a substantially flat state.
Thereafter, when the moving plate 41 is sent to the mounting position B by a known drive device, the tube t is sent to the mounting position with the tube t in the receiving hole 42. Then the receiving hole 4
The portion of the tube that had been inserted into the notch 43 of No. 2 expands the tube t into a substantially cylindrical shape by the action of the engaging surface 37 of the expanding member 36. On the other hand, the bottle b is sent by the action of the belt conveyor 21 and screw conveyor 24 of the transfer mechanism 20, and is temporarily stopped at the mounting position.

Then, the tube t expanded into a substantially cylindrical shape at the attachment position is pushed down by the pusher 45 and attached to the outside of the temporarily stopped bottle. The attached tube t is sent through the heating furnace 5 by the belt conveyor 21, is heated, shrinks, and comes into close contact with the outer periphery of the bottle.

(g) Effects The tube mounting device according to the present invention can have the following effects.

Since the overall structure is simple, changing the size of the tube requires fewer changes in parts (just change the moving plate, stopper, and pusher), making it easy to change the size.

Since the movable plate only moves back and forth in a straight line over a short distance, the structure can be made compact, and moreover, it can be mounted stably with less impact.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view of a tube mounting device according to the present invention, FIG. 2 is a top view of a part of the transfer mechanism of the device in FIG. 1, FIG. 3 is a top view of the mounting mechanism, and FIG. FIG. 5 is a side sectional view of the attachment mechanism shown in the figure, and FIG. 5 is a perspective view of the guide member and the spreader member. 1: Tube mounting device, 10: Tube supply device, 20: Transfer mechanism, 21: Belt conveyor, 2
2: Screw conveyor, 30: Mounting mechanism, 3
2: Guide member, 33: Guide groove, 36: Expanding member,
37: Engagement surface, 41: Moving plate, 42: Receiving hole.

Claims (1)

[Scope of utility model registration request] In a tube mounting device that pulls out a flattened tube, cuts it to a certain length, spreads the cut tube into a substantially cylindrical shape, and covers the outside of the object to be mounted, a flat tube is placed below the feeding position of the tube. A guide plate is provided with a guide groove for receiving a shaped tube, and a support plate is provided to support the lower end of the tube inserted into the guide groove. A widening member having an arcuate engagement surface is provided, and an opening having a size substantially the same as the diameter of the tube and a notch for receiving the flat tube inserted in the guide groove are formed to cooperate with the widening member. A movable plate that opens the tube placed in the opening into a substantially cylindrical shape is provided so as to be movable linearly between the guide plate and the spreading member, and the tube placed in the opening is placed above the mounting position. A tube mounting device characterized by having a pusher for pushing out.