JP2000211603A - Apparatus and method for packaging long object - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate unsealing of a packaging material by providing an unpacking thread to improve unpacking operation by continuously covering an outer periphery of a long object together with the unpacking thread with the packaging material by fixing an end of the unpacking thread from a thread feed means to a cut end of the long object, then fixing an end of the packaging material and rotating a rotary wheel. SOLUTION: A base 2 is equipped with a transfer mechanism including a feed roller 4 for feeding a long object 1 such as a column material for construction application in an approximately horizontal direction at a predetermined speed and a rotary wheel 3 for rotating the object 1 passing through an approximate center at a predetermined rotation speed. The rotary wheel 3 is rotatably supported on an external side face of a support plate 14 standing at an end of the base 2, wherein a thread feed means 29 for feeding an unpacking thread 28 through a thread port 30 in a direction for feeding the long object 1 is provided at the center on an upper part of the support plate 14. After an end of the unpacking thread 28 is fixed to the long object 1, a packaging material fed from a packaging roll holding part 22 is wound, with a lead held, around the object 1 which is being fed while rotated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for packaging a long object by packaging a long object by attaching a packaging material to the outer periphery of the object with a lead. The present invention relates to an apparatus for packaging long objects and a method for packaging long objects.

[0002]

2. Description of the Related Art In order to prevent the surface of a pillar material for construction from being soiled during transportation or construction, a packaging treatment in which thin wrapping paper is wound is often performed. This packaging is slightly different from other general packagings in that the packaged material is a long object and is heavy, and no means such as banding which may damage the pillar material is used. Therefore, the packaging form itself is as simple as wrapping the packaging material, such as wrapping paper, on almost the entire peripheral surface except for the small edge of the pillar, and unpacking is performed by peeling off the packaging material.

[0003] Since the material to be packaged is expensive and dislikes any scratches on the pillars, the packaging is often performed by hand. The contents of the work are carried out in the steps of transporting the timber, laying the packaging material, folding the packaging material, and laminating, and are laborious and poor in workability. Therefore, a packaging apparatus in which the above steps are mechanized has been developed. this is,
The transporter conveys the pillars, while feeding and wrapping the wrapping paper from the paper feeder, it is sent to the processing conveyor, where the cylinder with rollers is moved to perform the packaging material folding process and the bonding process. I have.

[0004]

In the conventional packaging apparatus for a long object as described above, the apparatus becomes large, and the apparatus for wrapping the packaging material while pressing both longitudinal edges of the packaging material along the column material is used. There is a problem that the configuration becomes very complicated, expensive and lacks simplicity, and there is also a problem that unpacking is troublesome and troublesome.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is an object of the present invention to provide an elongate object having a simple structure and a high simplicity that can be easily unpacked. It is an object of the present invention to obtain a packaging device for a long object which can be easily unpacked.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, a first aspect of the present invention is to provide a transport mechanism for feeding a long object such as a pillar, which is an article to be packaged, in a substantially horizontal direction at a predetermined speed; A long object fed by the mechanism passes almost through the center, and a ring-shaped rotating wheel that rotates at a predetermined rotation speed, and an arm-shaped protruding portion of the rotating wheel in the feeding direction of the long object rotates with the rotating wheel. A packaging roll holder that circulates around a long object, and a yarn feeding means that causes the unpacking yarn to follow the entire length of the long object sent by the transport mechanism. While unwinding the packaging material from the packaging roll held by the rotation of the packaging roll holding section, with a predetermined lead, the unwrapped yarn fed by the yarn feeding means around the outer periphery of the long object to be fed continuously. Coated on To adopt the means to be configured so that.

According to the first aspect of the present invention, after the end of the unpacking yarn of the yarn feeding means is stopped at the edge of the fore edge of a long object fed in a substantially horizontal direction by the transport mechanism, the packaging roll holding unit If you stop the end of the packaging material and rotate the rotating wheel, the packaging roll holding part will go around the long object,
While feeding the wrapping material, the outer periphery of the sent long object can be continuously covered with the wrapping material together with the unpacking yarn with a predetermined lead.

In order to achieve the above object, a second aspect of the present invention is to dispose an unpacking thread along the entire length of a long object such as a column material to be packaged, with at least one end thereof stopped. Means for wrapping the outer periphery of the long object together with the unpacking thread with a wrapping material such as paper is adopted.

According to the second aspect of the present invention, when the end of the unpacking thread inside the wrapping material is picked up and lifted, the wrapping material is cut by the unpacking thread, and the long object is unpacked. Will be able to

[0010]

Embodiments of the present invention will now be described with reference to the drawings. This embodiment shown in FIGS. 1 to 4 relates to a packaging apparatus for packaging a long object 1 by attaching a packaging material to the outer periphery of a long object 1 such as a column material for building with a lead in a longitudinal direction. Things. The packaging device includes a transport mechanism for feeding the long object 1 to the base 2 in a substantially horizontal direction at a predetermined speed, and the long object 1 sent by the transport mechanism passes through a substantially central portion and rotates at a predetermined rotation speed. And a ring-shaped rotating wheel 3. The transport mechanism includes a drive unit and a plurality of feed rollers 4 which are rotated by the drive unit. The feed rollers 4 are mounted on the base 2 in a substantially horizontal direction in parallel so as to be vertically adjustable.

The drive section comprises a motor 5 and a power transmission system for transmitting the rotation of a drive pulley 6 mounted on a rotating shaft of the motor 5 to each feed roller 4. Although the power transmission system may be a gear mechanism or the like, a configuration including a toothed pulley 7 and a toothed belt 8 as shown in FIG. 1 is preferable because the position of the feed roller 4 can be easily adjusted. The toothed pulley 7 is mounted on one end of each feed roller 4 and is rotated in one direction by a toothed belt 8. The toothed belt 8 is appropriately tensioned by a tension pulley 9 as shown in FIG. Feed roller 4
On both sides of the base 2 between the two, two holding rollers 10 for holding the long object 1 substantially at the center of the feed roller 4 in the feed direction (the direction of the arrow in FIG. 2) are provided at intervals in the feed direction. Have been. The pair of holding rollers 10 includes support legs 11.
The support leg 11 is supported so as to be rotatable in a horizontal plane.
The distance between the opposing holding rollers 10 can be adjusted by adjusting the mounting portion 12 to the base 2.

The operation / stop and rotation speed of the motor 5 are controlled by a remote controller 13 incorporating an inverter circuit. The rotating wheel 3 is rotatably supported on an outer surface of a support plate 14 having a round hole at the center and provided upright at one end of the base 2 with its center of rotation on the center line in the feed direction. The rotating wheel 3 is supported by a presser which is rotatably supported at several positions on the circumference of a series of ring grooves 15 provided on the outer periphery of the rotating wheel 3 by an end of a supporting arm 16 protruding from the supporting plate 14. The pressing is performed by the roller 17. A ring gear 18 is fixed concentrically to the support plate 14 side of the rotating wheel 3. The ring gear 18 is meshed with a gear 19 of a gear mechanism for transmitting the rotation of the motor 5, and the rotation of the gear 19 causes the rotating wheel 3 to rotate in one direction at a predetermined speed. The gear mechanism includes a bevel gear 20 attached to the end of the rotating shaft of the motor 5, a driven bevel gear 21 meshing with the bevel gear 20, and a gear 19 axially connected to the bevel gear 21. .

On the outer surface of the rotating wheel 3 in the feeding direction, there is mounted a packaging roll holding portion 22 which projects in an arm shape in the feeding direction and rotates integrally with the rotating wheel 3 as shown in FIG. ing. As shown in FIG. 3, the packaging roll holding unit 22 is formed by inserting two flanges 24 through a support rod cantilevered by a support unit 23, and a gap between the base side flange 24 and the support unit 23 is provided. Coil spring 25
Is installed. The support portion 23 supports the support rod in a cantilever manner, and has a swing angle θ with respect to the feed direction and a swing angle with respect to the rotation direction. The swing angle θ is adjusted by adjusting the opening of the support portion 23 having the hinge structure with the screw 26.
The swing angle in the turning direction can be adjusted by adjusting the tightening position of the fixing screw 27 to the rotating wheel 3 of the support portion 23.

In the center of the upper portion of the support plate 14, there is provided a yarn feeding means 29 capable of feeding out the unpacking yarn 28 in the feeding direction of the long object 1. The yarn supplying means 29 is capable of rotatably holding the wound yarn with an appropriate rotation resistance, and supplies the unpacking yarn 28 to the long object 1 being conveyed from a yarn mouth 30 provided on the support plate 14 below the wound yarn. be able to.

[0015] In the case of packing 105 mm square or 120 mm square pillars for building, for example, with the packaging apparatus having the above-described structure,
First, a packaging roll 31 formed by rolling a packaging material made of thin paper or the like having a width of 24 mm (which may be smaller or larger) between the two flanges 24 of the packaging roll holder 22 is used as a support rod. Insert and hold. Packaging roll 3
1 receives the pressing force of the coil spring 25 via the flange 24, and provides an appropriate rotation resistance. The swinging angle θ and the swinging angle are appropriately adjusted, and the feeding by the feed roller 4 and the holding roller 10 of the feeding mechanism adjusted in advance so that the center of the column material substantially matches the center of the rotating wheel 3. The column material is placed on the portion, the switch is turned on, the motor 5 is driven, the column material is transported by the transport mechanism until the fore side reaches the tip of the packaging roll holding unit 22, and the motor 5 is stopped once. Then, the end of the unpacking yarn 28 is pulled out from the winding yarn of the yarn feeding means 29, and one end is stopped by a tape or the like at the small end on the sending side of the long object 1 through the yarn opening 30.

Thereafter, the packaging material of the packaging roll 31 is pulled out from the packaging roll holding portion 22 and its end is fixed to the outer periphery of the edge of the pillar at the edge of the forehead by a winding tape or the like. In this state, the packaging material is twisted. If so, adjust the swing angle θ and fix it. Further, a roller conveyor or the like (not shown) for holding the column material horizontally may be provided on the delivery side. In this way, when the motor 5 is driven, the packaging material is fed out from the packaging roll 31 held with appropriate rotation resistance by the packaging roll holding portion 22 along with the rotation of the packaging roll holding portion 22 to the outer periphery of the column member. The column material is continuously adhered to the outer periphery of the column material with a predetermined lead while being transported. During this time, the unpacking thread 28 is supplied along the surface of the long object 1 while the column material is being conveyed, and the unpacking thread 28 is wrapped by the wrapping material.

When the end of the pillar is near the base of the wrapping roll holder 22, the switch is turned off and stopped, the excess packaging material is cut, the end is stopped on the pillar, and the unpacking thread 28 is cut. If the end is fixed to the edge of the pillar by tape or the like, the packaging of the pillar is completed. In the case of packing column materials having the same dimensions, the above operation may be repeated as it is. If the dimensions are different, the positions of the feed roller 4 and the holding roller 10 are adjusted. Since the packaging material has a swing angle θ in the packaging roll holding unit 22,
Even wide packaging materials can be wound neatly without wrinkling, and because there is also a swing angle in the rotating direction, even wide packaging materials can be wound around the pillar material without slack. You can go. As described above, the packaging device for a long object has a simple configuration, a short overall length, is compact, has high simplicity, and can be manufactured at low cost.

As shown in FIG. 4, one end of the unpacking thread 28 is removed from the pillar material thus wrapped, and the wrapping material such as paper is cut by the unpacking thread 28 by grasping the end and pulling it upward. Can be unpacked with one touch. The unpacking thread 28 may be arranged along the spine of the pillar. In addition, the method of packaging in which the unpacking thread 28 is interposed between the packaging material and the long object 1 can be applied not only to the packaging method of the lead winding but also to the usual packaging method of wrapping. And easy. In this case, a packaging material to which the unpacking thread 28 is attached in advance can be used.

[0019]

According to the first aspect of the present invention, it is possible to obtain a packaging device for a long object having a simple structure, high simplicity, and easy unpacking.

According to the second aspect of the present invention, there is provided a method of packaging a long object which can be easily unpacked.

[Brief description of the drawings]

FIG. 1 is a front view of a packaging device according to an embodiment.

FIG. 2 is a partially cutaway side view showing the packaging device of the embodiment excluding a packaging roll holding unit.

FIG. 3 is a perspective view illustrating a configuration of a packaging roll holding unit of the packaging device according to the embodiment.

FIG. 4 is an explanatory diagram showing an unpacking operation of a package according to the packaging method of the embodiment.

[Explanation of symbols]

1 long object, 3 rotating wheel, 4 feed roller,
22 Packaging roll holder, 28 Unpacking thread, 29
Yarn feeding means.

Claims (2)

[Claims] 1. A transport mechanism for feeding a long object such as a pillar, which is an article to be packaged, in a substantially horizontal direction at a predetermined speed. A ring-shaped rotating wheel that rotates at a rotational speed of, and an arm-shaped protruding arm in the feeding direction of the long object in the feeding direction of the long object, and the package roll holding the rotating wheel and rotating around the long object with the rotating wheel. Unit, and a yarn feeding means for feeding the unpacking yarn over the entire length of the long object sent by the transport mechanism, and a packaging material is held from the packaging roll held by the packaging roll holding unit with an appropriate rotation resistance. While feeding out by the rotation of the packaging roll holding unit,
An apparatus for packaging a long object configured to continuously cover the outer periphery of the long object sent by a predetermined lead together with the unpacking yarn fed by the yarn feeding means. 2. An unwrapping yarn is stretched along the entire length of a long object such as a pillar material to be packaged with at least one end thereof stopped, and the outer periphery of the long object is unwrapped with the unpacking yarn. A method for packaging a long object, wherein the whole is wrapped in a packaging material such as paper.