JP2006082821A - Packing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely pack an item to be transported mounted on a pallet together with the pallet by a packing band even when a recess is formed on the bottom of the pallet. <P>SOLUTION: A lift 16 capable of rising/lowering to protrude upward from a height same as a working table 11a is provided on a body housing 1 equipped with the working table 11a on its upper surface, on which an item to be packed is mounted. The packing band drawn from the lift 16 is placed along a band guide arch 15 provided on the table 11a and pulled to tighten, thereby winding the packing band 21 around the item mounted on the table 11a. The leading edge of the band 21 is welded to a part of the wound band 21 by a welding part 16b provided on the lift 16 for cutting. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a packing machine for packing an object to be packed with a packing band made of a thermoplastic resin.

  In a liquid crystal display panel manufacturing factory, various parts such as glass plates and electronic device parts are usually housed in a transport container and carried in, followed by a predetermined process, and then the product liquid crystal display panel Assembled into. A transport container, which is an article that contains parts such as glass plates, is stacked on a pallet in a rectangular block, and the pallet and transport container are packed together by a packing band. The

A packing machine is used to pack the pallet and the shipping container together. Such a packing machine is disclosed in, for example, Japanese Patent Laid-Open No. 8-282618. A packing machine usually has a work table portion, which is a horizontal flat surface, on which a packaged article on which a transported object such as a transport container is placed is placed on a pallet. The packing band arranged along the band guide arch provided in the surrounding area is tightened, the packing band is wound around the packaged object, and the tip of the packing band is overlapped and welded to the wound packing band. It will be cut later.
JP-A-8-282618

  A pallet used when transporting a transported object such as a transport container usually has a space in which a pair of arm portions of a forklift is inserted in the middle in the vertical direction. Therefore, the bottom surface of the pallet is in a flat state, and the packing material is securely packed integrally with the transported material and the pallet on the pallet by winding and tightening the packing band by the packing machine.

  Recently, a pallet shown in FIG. 5 is also used instead of such a pallet. The pallet 31 shown in FIG. 5 is formed in a rectangular parallelepiped shape that is thinned in the vertical direction by corrugated cardboard or the like. It is formed between. Therefore, the leg part 31b along the width direction is formed in the center part of the longitudinal direction of the pallet 31, and the edge part of the both sides of a longitudinal direction, respectively.

  When the pallet 31 and the transported object are packed together with the packing band 21 using the packing machine in a state where the transported object 32 is placed on the pallet 31 having such a configuration, It is necessary to pack the packing band 21 through each recess 31a.

  However, when the pallet 31 is placed on the horizontal work table portion in the packing machine, the space of the concave portion 31a of the pallet 31 exists on the work table portion, so that the packing band 21 is passed through the concave portion 31a. Even if tightened, due to the space of the recess 31a, the packing band 21 cannot be in close contact with the pallet 31 and the transported object 32, and the pallet 31 and the transported object 32 cannot be reliably packed together. is there.

  The present invention solves such a problem. The object of the present invention is to ensure that the transported goods placed on the pallet and the pallet are secured by the packing band even when the recess is formed in the bottom of the pallet. It is to provide a packing machine that can be packed in a container.

  In the packing machine of the present invention, the work table portion on the upper surface of the main body housing is obtained by tightening the packing band that is pulled out from the main body housing and disposed along the band guide arch provided on the work table portion on the upper surface of the main body housing. A packing machine that winds the packing band around an object to be packaged and welds and cuts the leading end of the packing band to the wound packing band portion. A lifting platform that can be raised and lowered so as to protrude upward from the same height as the work table portion is provided, and the packing band is pulled out from the lifting platform, and the packing is mounted on the lifting platform. A mechanism for welding the tip of the band is provided.

  Thus, the packing machine of the present invention is provided with a lifting platform that can protrude upward from the work table portion, and a welding portion at the tip of the packing band is provided on this lifting platform. Even in the case where the recess is formed, the transported object and the pallet placed on the pallet can be reliably packed by the packing band.

  FIG. 1 is a schematic configuration diagram illustrating an example of a packing machine according to the present invention. This packing machine has a main body housing 11 whose upper surface is a work table portion 11a having a horizontal flat surface on which an object to be packed is placed. Inside the main body housing 11, a packing band 21 is coiled. A band reel 12 to which a band coil 20 wound around is mounted is provided. The packing band 21 is formed in a tape shape with a thermoplastic resin such as polypropylene in order to pack an object to be packed 30 placed on the work table portion 11a.

  A band guide arch 15 for guiding the packing band 21 drawn from the band reel 12 is provided on the main body housing 11. The band guide arch 15 includes a pair of support columns 15a extending upward from the respective side portions in the central portion of the work table portion 11a, and a horizontal beam portion 15b connecting the upper ends of the support columns 15a. It is formed in an “arch type”.

  On the work table portion 11 a of the main body housing 11, for example, as shown in FIG. 5, an object 30 to be packed on which a transport box 32 storing various articles is placed on a pallet 31 is placed. The pallet 31 shown in FIG. 5 is formed in a rectangular parallelepiped shape that is thinned in the vertical direction by corrugated cardboard or the like, and a pair of concave portions 31a along the width direction are formed at the bottom portion at the center in the longitudinal direction. It is formed between. Therefore, the leg part 31b along the width direction is formed in the center part of the longitudinal direction of the pallet 31, and the edge part of the both sides of a longitudinal direction, respectively. The work table portion 11 a of the main body housing 11 is configured to place an object 30 to be packed formed by such a pallet 31 and a transport box 32.

  The band reel 12 provided in the main body housing 11 is provided on a side portion of the band guide arch 15 adjacent to one of the support portions 15a. The band reel 12 is rotatable so that the packing band 21 is pulled out from the attached band coil 20. When the packing band 21 is pulled out, the band reel 12 is integrated with the band coil 20. It is designed to rotate. The band reel 12 is provided with a brake mechanism (not shown) for stopping the rotation, and these mechanisms are the same as those of a conventional packing machine.

  A feed roller 13 for supplying a packing band 21 pulled out from the band coil 20 to the work table portion 11 a is provided at the central portion in the upper part of the main body housing 11, and a pressing roller faces the feed roller 13. 14 is rotatably provided. The packing band 21 pulled out from the band coil 20 is supplied between the feed roller 13 and the pressing roller 14 and is pressed against the peripheral surface of the feed roller 13 by the pressing roller 14. Is supplied upward.

  On the upper part of the main body housing 11, an elevating table 16 that is slidable in the vertical direction between the pair of support columns 15 a of the band guide arch 15 is disposed. The lifting platform 16 has a rectangular parallelepiped shape that extends long in a direction perpendicular to the axial direction of the band reel 12, and ends on both sides in the longitudinal direction are close to the support columns 15 a of the band guide arch 15. ing. The lifting platform 16 is lifted and lowered by, for example, a hydraulic cylinder (not shown), and when it is slid downward, its upper surface is at the same height as the upper surface of the work table portion 11a. Is slid upward to protrude from the work table portion 11a. And when it will be in the state which protruded upwards in this way, as shown by a two-dot chain line in FIG. 5, it will insert in each recessed part 31a of the pallet 31 mounted in the work table part 11a.

  A guide roller 17 that guides the feed roller 13 to the inside of the elevator base 16 is disposed below the elevator base 16 in the main body housing so as to be rotatable in the vicinity of the elevator base 16. The packing band 21 supplied into the interior 16 is guided by a pressure roller 16 a provided in the elevator 16, and is sent out from the upper surface of the elevator 16 toward one column portion 15 a of the band guide arch 15. The pressure roller 16a provided in the elevator 16 is movable toward the welded portion 16b provided in the center of the elevator 16 and the packing band 21 is added to the welded portion 16b. It comes to press.

  The band guide arch 15 has a frame shape in which the inner surface of each column portion 15a and the beam portion 15b is opened, and the packing guide 21 guided toward the one column portion 15a by the pressure roller 16a includes the column guide arch 15 After moving upward along the part 15 a, it moves along the beam part 15 b and the other column part 15 a, reaches the upper surface of the elevator 16, and moves along the upper surface of the elevator 16.

  In the packing machine of the present invention having such a configuration, when packing an ordinary packaged item, the elevator 16 is lowered and the upper surface thereof is in the same level as the work table portion 11a. Similarly to the conventional packing machine, an object to be packed placed on the upper surface of the work table 11 a including the upper surface of the elevator 16 is packed by the packing band 21.

  On the other hand, as shown in FIG. 5, when packing an article 30 on which a transported article 32 is placed on a pallet 31 having a recess 31 a formed on a pair of bottom parts, As shown in FIG. 1, the band reel 12 is rotated in the direction indicated by the arrow A in FIG. 1 in a state where the elevator 16 is lowered so that the elevator 16 and the work table portion 11a are at the same height. The packing band 21 is pulled out from 20 and moved along the band guide arch 15 from the upper surface of the lifting platform 16. And when the front-end | tip part of the packing band 21 reaches the upper surface of the raising / lowering stand 16, it will be fixed on the welding part 16b provided in the raising / lowering stand 16. FIG.

In such a state, the article to be packed 30 on which the transported article 32 is placed on the pallet 31 is placed on the work table portion 11a so that the one recessed portion 31a faces the lifting platform 16,
As shown in FIG. 2, the elevator 16 is raised, and the elevator 16 enters the recessed portion 31 a of the pallet 31 in the article 30 as indicated by a two-dot chain line in FIG. 5. In FIG. 2, the packaged item 30 is not shown.

  When the lifting platform 16 enters the recess 31 a of the pallet 31, the band reel 12 is rotated in the direction indicated by the arrow B in FIG. 2 so as to tighten the packing band 21. Thereby, the packing band 21 along the band guide arch 15 is tightened so as to be detached from the band guide arch 15, and then, as shown in FIG. 3, the pressure roller 16 a is pressed against the welded portion 16 b. To be slid horizontally. Thereby, the packing band 21 part in contact with the peripheral surface of the pressure roller 16a is moved toward the welding portion 16b together with the pressure roller 16a, and the leading end portion of the packing band 21 fixed on the welding portion 16b and It is piled up and pressurized.

  In this case, since the lifting platform 16 is inserted into the recess 31 a of the pallet 31, the packing band 21 is in pressure contact with the bottom surface (upper side surface) of the recess 31 a of the pallet 31. The pallet 31 and the transported object 32 placed thereon are reliably wound integrally.

  If it becomes such a state, the packing band 21 part mutually piled up will be heated and welded by the welding part 16b, and also the band coil 20 side with respect to the packing band 21 part welded by the welding part 16b. The packing band 21 part is cut. As a result, the article 30 is packed by the packing band 21.

  Thereafter, as shown in FIG. 4, the pressure roller 16 a provided on the lifting platform 16 is slid away from the welding portion 16 b, and the lifting platform 16 is lowered. Thereafter, the band reel 12 is rotated in the direction indicated by the arrow A in FIG. 4, the packing band 21 is pulled out from the band coil 20, and is moved along the band guide arch 15 from the upper surface of the lifting platform 16. And when the front-end | tip part of the packing band 21 reaches the upper surface of the raising / lowering stand 16, it will be fixed on the welding part 16b provided in the raising / lowering stand 16. FIG. Thereafter, an object to be packed is placed on the work table unit 11a, and a similar packing operation is performed.

  In addition, as shown in FIG. 5, when the pallet 31 which has a recessed part is not used for the to-be-packaged goods, operation | movement similar to the above-mentioned packing operation | movement except the raising / lowering stand 16 is not lifted, ie, the conventional The same operation as the packing operation of the packing machine is performed.

  As described above, the packing machine of the present invention reliably packs the transported object 32 placed on the pallet 31 integrally with the pallet 31 even when using the pallet 31 having the recess 31a at the bottom. Can do. Moreover, even when it is not necessary to use such a pallet 31, a to-be-packaged object can be packed reliably.

  As mentioned above, although this invention has been illustrated using preferable embodiment of this invention, this invention should not be limited and limited to this embodiment. It is understood that the scope of the present invention should be construed only by the claims. It is understood that those skilled in the art can implement an equivalent range based on the description of the present invention and the common general technical knowledge from the description of specific preferred embodiments of the present invention. Patents, patent applications, and documents cited herein should be incorporated by reference in their entirety, as if the contents themselves were specifically described herein. Understood.

  In a packing machine that packs the object to be packed with a packing band made of thermoplastic resin, even if the bottom of the pallet has a recess, the packing band ensures that the object to be transported and the pallet are placed on the pallet. Can be packed.

It is a schematic block diagram which shows an example of the packing machine of this invention. It is operation | movement explanatory drawing of the packing machine. It is operation | movement explanatory drawing of the packing machine. It is operation | movement explanatory drawing of the packing machine. It is a perspective view which shows an example of the to-be-packaged object packed with the packing machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Main body housing 11a Work table part 12 Band reel 13 Feed roller 15 Band guide arch 16 Lifting stand 16a Pressure roller 16b Welding part 20 Band coil 21 Packing band 30 Packaged object 31 Pallet 31a Concave part 31b Leg part

Claims (1)

By pulling the packing band that is pulled out from the main body housing and disposed along the band guide arch provided on the work table portion on the upper surface of the main body housing, the object placed on the work table portion on the upper surface of the main body housing is tightened. A packing machine that winds the packing band around a package, and welds and cuts the leading end of the packing band to the wound packing band part,
The main body housing is provided with a lifting platform that can be raised and lowered so as to protrude upward from the same height as the work table portion, and the packing band is drawn out from the lifting table, A packing machine comprising a mechanism for welding the tip of the packing band to the lifting platform.

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