JP3589240B2 - Method and apparatus for packaging heat insulation cylinder - Google Patents

Description

  The present invention relates to a technology for packaging a heat insulating cylinder made of a fiber material that is easily crushed.

  Some heat retaining cylinders made of inorganic fibers such as rock wool and glass wool are easily crushed when compressed, and it is necessary to prevent damage such as crushing during transportation. In particular, since the heat retaining cylinder is attached to the pipe with the ends thereof abutting each other, damage to the ends must be avoided. For this reason, as the current packing form of the heat retaining cylinder, cardboard box packing is used. However, packaging in a cardboard box requires a cardboard box that completely accommodates the heat retaining tube, which increases the packaging cost, and unpacked cardboard boxes become garbage at the construction site, which generates a large amount of garbage. There was a problem.

  Therefore, a packing form that replaces cardboard boxes is desired. Although it is not a packaging of a heat retaining cylinder, as a packaging technique of a rod-shaped article, Japanese Patent Application Laid-Open No. 52-54591 discloses a technique in which a plurality of rod-shaped articles are stacked on a U-shaped guide and aligned. A method of assembling a cap from cardboard, covering both ends of the article with the cap, and wrapping it with a shrinkable film from above is described. Japanese Patent Publication No. 62-4294 discloses a method of connecting a pipe or rod to a core. Since a method of arranging with a letter-shaped guide and wrapping both ends or the whole with a shrinkable film or a stretch film is described, it is conceivable to apply these to the packaging of a heat insulating cylinder.

However, the packaging method described in Japanese Patent Application Laid-Open No. 52-54591 has a problem in that productivity is not good because the caps at both ends are assembled while being stacked on the U-shaped guide. In addition, in the packaging method described in Japanese Patent Publication No. 62-4294, since there is no protective material at both ends of the formed package, there is a risk of breakage when handling the package upside down. there were.
JP-A-52-54591 JP-B-62-4294

  The present invention has been made in view of such a problem, and has a packaging form in which a heat retaining cylinder made of an inorganic fiber which is easily crushed has high productivity with less packaging material than a cardboard box packaging, and hardly causes end damage. An object of the present invention is to provide a technique for packaging to form a package.

The invention according to claim 1 of the present application is directed to a method of packaging a heat insulating cylinder made of inorganic fiber which is easily crushed, by using a protective material having a size capable of protecting the entire end face of a plurality of heat insulating cylinders arranged so as to be in contact with the body. And a plurality of leaf springs provided substantially vertically on the protective material so that the plurality of heat insulating cylinders are in contact with the body of the heat insulating cylinder and only the lower region of the heat insulating cylinder is outside from outside. The step of standing and arranging while supporting with the support plate formed in the above, and the step of horizontally laying a protective material of a size capable of protecting the entire end surface of the plurality of heat insulation cylinders on the upper end surface of the arranged plurality of heat insulation cylinders, In a state where the protective materials arranged on the upper and lower end surfaces of the plurality of heat insulating cylinders are pressed against the end surfaces of the heat insulating cylinder, a soft wrapping material made of a stretch film is spirally wound around the plurality of heat insulating tubes and the protective material from the outside of the support plate. At the top and bottom positions of the heat insulation tube The portion of the width direction of the flexible packaging material to be wound, wound so that the upper end of the heat insulating cylinder, the upper surface of the protective member arranged at the lower end, and a position extending out respectively from the lower surface upwardly, downwardly, then the said supporting plate It is characterized by including a step of packing by pulling out from between the soft packaging material and the heat retaining cylinder .

The invention according to claim 2 is to arrange a plurality of heat insulating cylinders made of inorganic fibers that are easily crushed so that the trunks are in contact with each other, apply protective materials to both end surfaces thereof, and wrap them with a soft packaging material made of a stretch film. A packaging device for use, comprising: a rotary table rotatable about a substantially vertical axis; and a receiving surface provided on the rotary table and supporting the protective material in a form in which a peripheral portion of a lower surface thereof is partially exposed. A plurality of heat insulating cylinders arranged vertically on a protective material placed on the receiving surface, and a plurality of heat insulating tubes provided substantially vertically so that the lower end thereof extends below the receiving surface. A work aligning pedestal provided with a support plate made of a leaf spring, a lifting pedestal provided to be able to ascend and descend above the rotary table, and rotating around the same axis as the rotation axis of the rotary table. It is possible to move up and down by holding a work push table having a pressing surface with a smaller area than the protective material, and a soft packaging material roll for feeding out a soft packaging material for spirally winding the plurality of heat retaining cylinders. And a device for feeding out a soft packaging material.

  In the invention according to claim 1, since a plurality of heat insulating cylinders are packaged in a film-like soft wrapping material together with protective materials disposed at both ends thereof, packaging can be performed with high productivity, and the packaging material used is a protective material at both ends. Since it is only a soft packaging material, the amount is small compared to a cardboard box, it is possible to reduce the cost and reduce the amount of dust generation, and in the obtained package, there is a protective material at the end of the heat insulation cylinder, Even if the package is placed vertically, the effect is obtained that the end of the heat retaining cylinder is not damaged.

  Furthermore, by using a stretch film having large elongation and self-adhesiveness as a soft wrapping material, the stretch film can be easily wound spirally around the heat insulating cylinder and the protective materials arranged above and below the heat insulating cylinder. It is possible to perform tight packaging according to the shape of the heat insulating cylinder aggregate over the entire length of the heat insulating cylinder assembly formed by arranging a plurality of heat insulating cylinders longer than the width of the stretch film over the entire length thereof. The obtained package has an effect that the collapse of the load hardly occurs. In addition, at the upper and lower ends of the heat insulation tube, the soft packaging material is wound so that a part of the width in the width direction of the soft packaging material extends outside the protection material (to the side opposite to the heat insulation tube), so that the width of the soft packaging material is Of the protective material can be fixed to the heat retaining cylinder by overlapping a part of the protective material around the outer surface of the protective material, and the fixing of the protective material to the heat retaining cylinder can be easily performed.

Furthermore, when arranging a plurality of heat insulation cylinders, only the lower region of the arranged heat insulation cylinders is supported from the outside by a support plate made of a plurality of leaf springs, so that the heat insulation cylinders arranged vertically on the protective material However, it is unlikely that the heat insulating cylinder is shifted or fallen outside the protective material, and therefore, an effect is obtained that the operation of arranging the heat insulating cylinders and the operation of winding the soft packaging material around the heat insulating cylinders can be easily performed. In addition, the support plate only supports the lower region of the heat insulating cylinder, and the length is shortened and the support plate is thinned by using a plate spring, so that the support plate can be easily pulled out from between the soft packaging material and the heat insulating cylinder. Therefore, the pulling out work becomes easy.

In the invention according to claim 2 , a protective material is placed on the work alignment receiving table, and a plurality of heat retaining cylinders are placed on the protective material while restricting the vertical position of the heat retaining cylinders with the support plate and restraining them from falling down. Protective materials are placed on the upper surface of the heat-insulating cylinder, and are pressed from above by a work pusher to restrain the heat-insulating cylinders and the protective materials above and below the heat-insulating cylinders. Wrap the tip of the film-shaped soft packaging material around the heat insulation cylinder and the protective material, and then rotate the rotary table to rotate the plurality of heat insulation cylinders and the protective material together, By raising or lowering the feeding device, the soft wrapping material is spirally wound around the heat insulation tube and the protection material, and the heat insulation tube and the protection material can be wrapped together.After that, the work push table is retracted upward, Pre-packed insulation tube By pulling up and pulling out the support plate from between the heat insulating cylinder and the soft wrapping material, multiple heat insulating tubes can be wrapped with the soft wrapping material with the protective material arranged on the upper and lower end surfaces, The effect of being able to pack the heat retaining cylinder with good workability and with a small amount of packaging material is obtained.

  The object of packaging in the present invention is arbitrary as long as it is a heat insulating cylinder made of an inorganic fiber which is easily crushed when compressed, and may have any shape such as a cylindrical shape, a rectangular tube shape, and the like. As a typical example of the thermal insulation cylinder made of inorganic fiber, a thermal insulation cylinder such as rock wool or glass wool can be given. Hereinafter, embodiments of the present invention will be described.

FIG. 1 shows a typical packaging form of a package formed by the method and apparatus of the present invention. The package indicated by reference numeral 1 is a package in which four heat retaining cylinders 2 made of inorganic fiber are packaged, and the four heat retaining cylinders 2 are arranged in such a manner that their body portions are in contact with each other. A protective material 3 in the form of a plate is applied to both end faces, and a soft packaging material 4 in the form of a film is spirally wound around the four heat retaining cylinders 2 and the protective material 3 to be integrated as a whole. The protective material 3 used here is for protecting the end faces of the heat retaining cylinders 2 and has a size capable of covering almost the entire end faces of the four heat retaining cylinders 2 and has the necessary strength for protection. Things are used. Further, it is preferable that the protective material 3 is lightweight and can easily be disposed of, such as disposal, and specifically, paper cardboard is suitable. The planar shape of the protective material 3 is a quadrangle in FIG. 1C, but is not limited to this, and the corner of the quadrangle is formed into an arc shape according to the shape of the heat retaining cylinder 2, and the whole is circular, polygonal, It is optional. Further, the protective material 3 is not limited to a flat plate-like material, but may be provided on the periphery of the flat portion 3a pressed against the end face of the heat retaining cylinder 2 like the protective material 3A used for the package 1A shown in FIG. May be provided with an upright wall portion 3b for protecting the outer peripheral surface of the end portion. The upright wall portion 3b is not limited to the case where it is provided on the entire circumference of the flat portion 3a, but may be provided mainly in a region in contact with the heat retaining cylinder 2. The protective material 3A of this embodiment can be easily formed by bending a plate material such as a cardboard used for the protective material 3A at an appropriate position.

  In FIG. 1, a stretch film is used as a soft wrapping material 4 for wrapping the heat insulating cylinder 2 together with a protective material 3, and the soft wrapping material 4 is wound spirally and partially so as to overlap the heat insulating cylinder 2. Full length packaged. At both ends of the heat retaining cylinder 2, a part of the width direction of the soft packaging material 4 is wound so as to extend outside the protective material 3 (to the side opposite to the heat retaining cylinder 2), whereby the soft packaging material is softly packaged. A part 4a in the width direction of the material 4 is overlapped so as to wind around at least a peripheral portion of the outer surface of the protective material 3, so that the protective material 3 can be kept fixed to the heat retaining cylinder 2. If necessary, a part 4a of the soft packaging material may be attached to the protective material 3 using an appropriate means such as an adhesive tape or an adhesive. Here, since the stretch film used as the soft wrapping material 4 usually has a large elongation and self-adhesiveness, it is only necessary to wind the heat insulating tube 2 and the protective material 3 with an appropriate tension. 3 can be tightly packaged, and the packaging operation is easy and the obtained package is tightly wrapped with a stretch film in the heat insulating tube 2 and the protective material 3. Collapse can be prevented.

  In the package 1 having the above configuration, the heat insulating tube 2 is packaged with only the protective material 3 and the soft packaging material 4 arranged at both ends, so that it is packed with a much smaller amount of packaging material as compared with the case where it is stored in a cardboard box. And packaging costs can be reduced. In transporting or storing, even if the package 1 is placed vertically, the end of the heat insulating tube 2 that is easily crushed is protected by the protective material 3, so that the end is not damaged. Furthermore, as a result of reducing the amount of packaging materials, unpacking work at the construction site is easy, and the amount of dust generated can be reduced.

  Although the example in which the four heat insulation tubes 2 are wrapped has been described above, the number and arrangement of the heat insulation tubes wrapped in one package can be variously changed, and the size of the protective material arranged on the end face of the heat insulation tube 2 can be changed. The sheath shape can also be appropriately changed according to the number and arrangement of the heat retaining cylinders. Some examples are shown in FIGS. In addition, in the figure, 3B, 3C, 3D, 3E, 3F, and 3G each show a protective material.

  In addition, the arrangement of the heat retaining cylinders 2 is not limited to the case where the trunks of the individual heat retaining cylinders 2 are simply arranged in contact with each other, but as shown in FIG. And a plurality of the combined heat retaining cylinders 2 may be arranged in contact with the body. In the figure, 3H indicates a protective material.

  Next, a packaging method and a packaging device for forming the package 1 having the above configuration will be described. FIG. 5 is a schematic side view of the packaging apparatus, 10 is a packaging apparatus, 11 is a base, 12 is a main body tower provided on the base 11, and 13 is a base that can rotate about a substantially vertical axis. Reference numeral 11 denotes a rotary table held on the rotary table, and reference numeral 14 denotes a work alignment receiving table provided on the rotary table 13. The work alignment receiving table 14 includes a support table 16 fixed to the rotary table 13 and a work alignment member 17 held by the support table 16. As shown in FIG. 6, the work aligning member 17 includes a base plate 17a having a receiving surface for supporting the protection member 3, and a plurality of support plates 17b provided vertically at appropriate positions around the base plate 17a. I have. Here, the base plate 17a has a shape capable of supporting the protective material 3 placed thereon in such a manner that the peripheral portion of the lower surface is partially exposed. This is to allow a part of the soft wrapping material to be wrapped around the lower surface of the protection material 3 when the soft wrapping material 4 is wrapped around the protection material 3. The plurality of support plates 17b restrain the outside of the lower region of the plurality of heat retaining cylinders 2 arranged on the protective material 3 placed on the base plate 17a, and support the heat retaining cylinders so as not to slip or fall. And arranged at a position where it can come into contact with a part of the outer periphery of each heat retaining cylinder 2. The support plate 17b can be easily deformed outward when the heat retaining cylinder 2 is inserted into the inside thereof, and can be supported so that the heat retaining cylinder 2 does not fall down after the heat retaining cylinder 2 is inserted. As described above, after the soft wrapping material is wound around the heat insulating cylinder 2 and the support plate 17b supporting the same, the thin and elastic material can be easily pulled out from between the soft wrapping material and the heat insulating cylinder. , For example, a leaf spring. Examples of the material of the support plate 17b include metals such as stainless steel and plastic. The thickness of the support plate 17b is preferably selected to be about 0.3 to 2 mm, and more preferably about 0.5 to 1 mm. The protruding height of the support plate 17b from the base plate 17a is determined so as to support the heat retaining cylinder 2 inserted inside the support plate 17b so as not to fall down, and varies depending on the size of the heat retaining cylinder. In many cases, the thickness is preferably about 200 to 500 mm. The lower end of the support plate 17b extends below the soft packaging material 4 even when the soft wrapping material 4 is wound around the lower end region of the heat insulating cylinder 2 and around the support plate 17b. Thus, the support plate 17b is attached so as to extend below the base plate 17a, whereby the support plate 17b can be pulled out without any trouble. The protruding length downward from the base plate 17a is preferably about 100 to 200 mm.

  In FIG. 5, the support base 16 and the work alignment member 17 constituting the work alignment receiving base 14 may be formed as an integral structure. However, in the preferred embodiment shown in FIG. It is possible. This makes it possible to perform packaging in a different packaging form by using a work alignment member suitable for the packaging form. For example, as shown in FIG. 7, when four sets of the combination of the two heat retaining cylinders 2 are packaged together, the work alignment member 17A in which the support plate 17b is arranged at a position where each of the heat retaining cylinders 2 contacts is used. It may be used.

In FIG. 5, reference numeral 21 denotes an elevating table held by the main body tower 12 so as to elevate and lower above the rotary table 13. Reference numeral 22 denotes a rotatable table that enables the elevating table 21 to rotate about the same axis as the rotation axis of the rotary table 13. It is a held work pushing table, and has a pushing surface 22a for pushing the protective material 3 placed on the heat retaining cylinder 2. The pressing surface 22a is made smaller in area than the protective material 3, and the peripheral portion of the upper surface of the protective material 3 can be exposed in a state where the protective material 3 is pressed against the heat retaining cylinder 2. This is to allow a part of the soft wrapping material to be wrapped around the upper surface of the protection material 3 when the soft wrapping material 4 is wrapped around the protection material 3. Reference numeral 25 denotes a soft-packing material feeding device that holds a soft-packing material 4 to be wound around the plurality of heat retaining cylinders 2, for example, a soft-packing material roll for feeding a stretch film, and is held by the main body tower 12 so as to be able to move up and down. The soft packaging material feeding device 25 is provided with a tension applying means, for example, a brake, so that an appropriate tension can be applied to the soft packaging material 4 to be fed. Although not shown, a driving device for rotating the rotary table 13, a driving device for raising and lowering the elevating table 21, and a driving device for raising and lowering the flexible packaging material feeding device 25 are also provided.

  Next, a packaging method using the packaging device 10 will be described. In FIG. 5, the protective member 3 is placed on the work aligning member 17 on the rotary table 13, and the heat retaining cylinders 2 are erected thereon in a desired arrangement. At this time, the upright support plate 17b of the work aligning member 17 supports the heat retaining cylinder 2 inserted therein, so that the heat retaining cylinder 2 does not slip or fall, and the heat retaining cylinders 2 can be easily set up one after another. You can go side by side. After arranging a predetermined number of heat insulating cylinders 2, the protective material 3 is placed on the upper end thereof, the elevating table 21 is lowered, and the protective material 3 is pressed against the heat insulating cylinder 2 by the work pushing table 22. As a result, the plurality of heat retaining cylinders 2 and the protective materials 3 at the upper and lower ends thereof are sandwiched and held by the work alignment member 17 and the work pushing table 22. In this state, the soft wrapping material 4 made of the stretch film set in the soft wrapping material feeding device 25 is pulled out, and the front end of the soft wrapping material 4 is supported on the lower end region of the heat retaining cylinder 2 by the support of the work alignment member 17. The soft wrapping material is wound out from the outside of the plate 17b so that a part of the width of the soft wrapping material is further lower than the protective material 3 located at the lower end of the heat retaining cylinder 2, and the rotating table 13 is rotated to feed out the soft wrapping material. The soft wrapping material 4 from the device 25 is wound around the heat retaining cylinder 2 and the soft wrapping material feeding device 25 is raised. At this time, a predetermined tension is applied to the soft packaging material 4 to be drawn out by the soft packaging material feeding device 25. Therefore, the soft packaging material 4 spirally surrounds the heat retaining cylinder 2 with a predetermined tension. And are wound in a partially overlapping state. Further, at the beginning of winding, the soft wrapping material portion wound below the protection material 3 is wrapped around the lower surface of the protection material 3 by the tension acting thereon, and fixes the protection material 3 to the heat retaining cylinder 2. When the soft wrapping material 4 is wound up to the upper end region of the heat insulating cylinder 2 and is wrapped until a portion of the soft wrapping material in the width direction is higher than the protection material 3 at the upper end, the soft wrapping material wound above the protection material 3 is obtained. The portion of the packaging material is wrapped around the upper surface of the protection material 3 by its own tension. Thereafter, the rotation of the turntable 13 is stopped, the soft wrapping material 4 is cut, and its end is pressed against the surface of the soft wrapping material or the protection material 3 which has been wound first, and fixed. At this time, since a stretch film is used as the soft wrapping material 4 and can be adhered by the self-adhesiveness of the stretch film, there is no need to use an adhesive tape or an adhesive. Cleaning can be performed easily. Thereafter, the work pushing table 22 is retracted upward, the formed package is lifted upward, and the support plate 17b of the work alignment member 17 is pulled out from between the heat insulating cylinder 2 and the soft packaging material 4 wound therearound. The soft wrapping material extending below the protective material 3 is pressed and adhered to the lower surface of the protective material 3. By the above operation, the package 1 of the form shown in FIG. 1 is created.

  As described above, the packaging method using the packaging apparatus 10 simply involves placing the protective material 3 on the work alignment member 17, arranging the heat insulating cylinders 2 thereon, and placing the protective material 3 thereon. With a simple operation of pressing the pressing table 22, the rotating table 13 is rotated in this state, the soft packaging material 1 is wound around the heat retaining cylinder 2 and the protective material 3, and then the completed package is pulled out upward. Thus, the package 1 can be formed, and the heat insulation cylinder can be packaged with high productivity.

(A) is a schematic perspective view showing an example of a package formed by the packaging method according to the present invention, (b) is a schematic side view showing the package as a cross-section of an outer soft packaging material, and (c) is Schematic plan view showing the arrangement of heat retaining cylinders and the shape of protective material in the package (A) is a schematic side view showing another example of the package as a cross section of a soft packaging material on the outer periphery, and (b) is a schematic plan view showing an arrangement of heat retaining cylinders and a shape of the protective material in the package. (A)-(f) is each a schematic plan view which shows the arrangement | positioning of the heat insulation cylinder at the time of forming a package, and the shape of a protective material. Schematic plan view showing still another example of the arrangement of the heat retaining cylinders and the shape of the protective material when forming the package. Schematic side view showing one example of a packaging device according to the present invention. (A), (b) is a schematic plan view and a side view of a work arrangement member used in the packaging device of FIG. (A), (b) is a schematic plan view and a side view showing another example of the work arrangement member used in the packaging apparatus of FIG.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Package 2 Heat insulation cylinder 3, 3A protective material 4 Soft packaging material 10 Packaging apparatus 11 Base 12 Main body tower 13 Rotary table 14 Work alignment receiving base 16 Support base 17 Work alignment member 17a Base plate 17b Support plate 21 Elevating stand 22 Work pushing Table 22a Pressing surface 25 Flexible packaging material feeding device

Claims (2)

In a method of packing a heat insulating cylinder made of inorganic fiber which is easily crushed, a step of horizontally laying a protective material having a size capable of protecting the entire end face of a plurality of heat insulating cylinders arranged so as to contact the body, While supporting the plurality of heat insulating cylinders on the upper side so that the body of the heat insulating cylinder contacts and only the lower region of the heat insulating cylinder from the outside from outside, a plurality of support plates formed substantially vertically, and supported by support plates formed by leaf springs. The step of arranging, and the step of horizontally placing a protective material of a size capable of protecting the entire end surface of the plurality of heat insulation cylinders on the upper end surface of the plurality of heat insulation cylinders arranged on the upper and lower end surfaces of the plurality of heat insulation cylinders arranged, respectively. In a state where the arranged protective material is pressed against the end face of the heat retaining cylinder, a soft wrapping material made of a stretch film is spirally wound around the plurality of heat retaining cylinders and the protective material from the outside of the support plate , and the upper end and the lower end positions of the heat retaining cylinder. Width direction of flexible packaging material wound on each Part, the upper end of the insulating cylinder, the upper surface of the protective member arranged on the lower end, wound so that the position extending out respectively from the lower surface upwardly, downwardly, then the support plate from between the heat insulating tube and the flexible packaging A method for packaging a heat retaining cylinder, which includes a step of packaging by drawing out . A packaging device used for arranging a plurality of heat insulating cylinders made of inorganic fibers that are easily crushed so that their trunks are in contact with each other, applying a protective material to both end surfaces thereof, and packaging with a soft packaging material made of a stretch film, A rotary table rotatable about a vertical axis, a receiving surface provided on the rotary table and supporting the protective material in a form exposing a peripheral portion of a lower surface thereof, and a protective material placed on the receiving surface. Work provided with a support plate composed of a plurality of leaf springs provided so as to be able to support the outside of only the lower region of the plurality of heat retaining cylinders arranged vertically and to have a lower end extending below the receiving surface. An alignment receiving table, an elevating table provided so as to be able to ascend and descend above the rotary table, and held by the elevating table so as to be rotatable about the same axis as the rotation axis of the rotary table, and A heat insulator comprising: a work pusher having a pressing surface having an area; and a soft packaging material feeding device capable of holding and raising and lowering a soft packaging material roll for feeding a soft packaging material for spirally winding the plurality of heat insulating cylinders. Tube packaging equipment .

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