JPH0661725U - Sheet pallet - Google Patents

Abstract

(57) [Summary] [Purpose] The tabs can be easily and reliably gripped by the gripper of a forklift truck to improve work efficiency, and the tab strength is improved to improve durability. To provide a sheet pallet that can be used. [Structure] A loading section 7 for luggage and a tab 8 are connected to each other via a folding curve 9, and the tab 8 is inclined by giving a folding habit to the folding curve 9. The stacking portion 7 and the continuous portion of the tab 8 with the stacking portion 7 are formed by a sheet-like material 1 including a woven fabric 2 woven from synthetic resin Yanshin tape yarn and a laminate layer 3. The tab 8 is formed to have a thick wall by fixing the auxiliary layer 6 made of the same sheet-shaped material to the sheet-shaped material 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sheet pallet used for stacking, unloading, transporting, and the like of loads by a push-pull type forklift.

[0002]

[Prior art]

 Conventionally, as this type of sheet pallet, there is known a structure in which a synthetic resin layer is laminated on a synthetic resin tape or a woven fabric woven by fibers, and the tabs are inclined with respect to the laminated portion of the luggage by a folding curve. ing.

Then, for example, if luggage is loaded on the loading portion of the sheet pallet laid on the floor, first, the tabs of the sheet pallet are gripped by the grippers provided below the face plate of the forklift. To do. Next, while retracting the pantograph arm on the rear side of the face plate, the forklift is advanced to insert the platen into the lower surface of the loading section. Next, the platen is lifted to lift the load together with the seat pallet, the forklift is driven to a predetermined place, and the load is carried together with the seat pallet. Then lower the platen to lower the load with the sheet pallet and open the grippers to release the tabs on the sheet pallet. Then, the luggage can be lowered together with the seat pallet by extending the pantograph arm and retracting the forklift while holding the luggage with the face plate.

[0004]

[Problems to be solved by the device]

 However, in the conventional sheet pallet as described above, the tab is formed only by extending the stacking section, and is as thin as the stacking section. Therefore, it is difficult to grip the tab with the gripper, resulting in poor work efficiency. In addition, since the gripper has a strong gripping force on the tab, when the tab is thin as described above, there are problems such as poor strength and poor durability.

The present invention solves the above-mentioned conventional problems, and by thickening the tab, the tab can be easily and surely gripped by the gripper, and therefore the work efficiency is improved. It is also an object of the present invention to provide a sheet pallet capable of improving its durability and improving its durability by improving its strength.

[0006]

[Means for Solving the Problems]

 The technical means of the present invention for achieving the above object comprises a loading section for luggage and a tab connected to the loading section through a folding curve, and the loading section and the loading section for the tab are connected to each other. The tab is made of a synthetic resin tape, a woven fabric woven with at least one of fibers, and a synthetic resin laminate layer obtained by laminating the woven fabric. However, it is formed so as to be thicker than the stacking portion by stacking and adhering an auxiliary layer on the sheet-shaped material.

As the auxiliary layer, it is possible to use a sheet material that shares a laminate layer with a sheet material to be fixed, or to extend an extended portion of the sheet material to be fixed by folding back.

Further, it is preferable that the surface of the tab is formed as a fluorescent surface or a light reflecting surface, and that the tab has a magnetic material, and the loading portion is made of this material. It is preferable that a plurality of anti-slip ridges made of synthetic resin are integrally formed on the surface substantially parallel to the folding curve formed at the boundary between the loading portion and the tab.

As described above, the woven fabric can be woven only with the tape or only with the fiber, or can be woven with the tape and the fiber in combination, and the thermoplastic resin is used for the tape and the fiber. You can It is particularly preferable to use an olefin resin such as polypropylene or polyethylene, but an olefin resin in which these resins are mixed, another polyester resin or the like, an olefin in which rubber, an inorganic filler or the like is mixed is used. A system resin can also be used. Further, it is preferable to use drawn yarn as the tape. The woven fabric woven from such a material is not limited to a single layer, and can be used by stacking a plurality of layers and integrating them.

The laminating layer can be laminated on one side or both sides of the woven fabric, and the same material as the woven fabric is used for this laminating layer. Then, this laminate layer is laminated on the woven cloth by a method such as extrusion coating and dry lamination with an adhesive.

The plurality of strips for preventing slippage are also made of the same material as the woven fabric and the laminate layer, and are integrally provided on the surface of the loading section by a method such as extrusion coating. The anti-slip ridges can control the degree of anti-slip by changing the composition, width, thickness and spacing. Further, it is preferable to select the plurality of slip preventing projections in a range of a width of 1 mm to 200 mm, a thickness of 5 μm to 200 μm, and an interval of 5 mm to 200 mm.

[0012]

[Action]

 According to the present invention configured as described above, the tab is made thicker than the stacking part by stacking the auxiliary layer on the sheet-like material composed of the woven fabric and the laminate layer, which is an extension of the stacking part. Since it is formed, the tab can be easily and surely gripped by the gripper of the forklift, and as described above, it is formed by the sheet-like material composed of the woven fabric and the laminating layer. However, the overall toughness is excellent, but since the tab is formed thick by stacking the auxiliary layers, it is possible to improve the strength.

[0013]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. First, a first embodiment of the present invention will be described. 1 is a schematic perspective view showing a sheet pallet according to a first embodiment of the present invention, FIG. 2 is a partially enlarged sectional view showing the sheet pallet, and FIG. 3 is a sheet-like object used for the sheet pallet. FIG.

As shown in FIGS. 2 and 3, the sheet-like material 1 is composed of a woven fabric 2 and a laminate layer 3. The woven cloth 2 is woven into a plain weave by using a thermoplastic resin stretched tape yarn as warp threads 4 and weft threads 5. Laminate layers 3 made of a thermoplastic resin are laminated on both sides of the woven fabric 2 by an extrusion coating method. Further, an auxiliary layer 6 made of a sheet-like material that shares the above-mentioned sheet-like material 1 and the laminate layer 3 is overlaid and fixed to the back surface of a portion corresponding to a tab 8 described later. Then, the sheet-like material 1 and the auxiliary layer 6 made of the sheet-like material are cut, and as shown in FIG. 1, a loading portion 7 for a load made of the sheet-like material 1 and a sheet-like material continuous to the loading portion 7. A tab 8 composed of the article 1 and the auxiliary layer 6 on the back surface thereof is formed in a continuous state. A tab 8 is formed at the boundary with the loading section 7 and is inclined upward by a fold line 9 having a crease. When the back surface of the loading section 7 is placed on the floor surface or the like, the tab 8 is set to have an inclination angle of 10 ° to 75 °, preferably 30 ° to 50 °, upward by the folding curve 9.

An explanation will be given of how to use the sheet pallet 10 of the above-described embodiment having the above-mentioned configuration. For example, assuming that luggage is stacked on the stacking portion 7 of the sheet pallet 10 laid on the floor, first, the tab 8 of the sheet pallet 10 is gripped by the gripper provided on the lower side of the face plate of the forklift. At this time, the tab 8 has the thickness increased by fixing the auxiliary layer 6 made of a sheet-like material to the back surface of the sheet-like material 1 as described above, so that it can be easily and surely gripped by the gripper. It Next, the forklift is advanced while retracting the pantograph arm on the rear side of the face plate, and the platen is inserted into the lower surface of the stacking unit 7. Next, the platen is raised to lift the load together with the seat pallet 10, the forklift is moved to a predetermined place, and the load is carried together with the seat pallet 10. Next, the platen is lowered to lower the load together with the sheet pallet 10, and the gripper is opened to release the tab 8 of the sheet pallet 10. Then, the luggage can be lowered together with the seat pallet 10 by retracting the forklift while holding the load with the face plate while extending the pantograph arm.

Specific examples will be described below. A tape yarn (1500 denier / piece) made of polypropylene (PY220 manufactured by Mitsubishi Kasei Co., Ltd.) was used as a warp 4 and a weft 5, and a woven fabric 2 having a density of 15 warps / inch was woven. 250 μm-thick polypropylene (LS620 manufactured by Showa Denko KK) is laminated on both sides of the woven fabric 2 as the laminating layer 3, and the woven fabric 2 similar to the above is applied to the portion corresponding to the tab 8. 3 was laminated, and the same laminated layer 3 as above was laminated on the other surface of the woven fabric 2 to form the auxiliary layer 6. A sheet pallet 10 having a stacking unit 7 of 1300 mm × 1300 mm, a thickness of about 0.83 mm, a tab 8 of 1300 mm × 75 mm, and a thickness of about 1.665 mm is produced from the sheet-like material 1. did.

As a result of a test of gripping the tab 8 of the sheet pallet 10 with a gripper of a push-pull type forklift, it was confirmed that the tab 8 can be easily and surely gripped. In addition, as a result of carrying a transportation test with the luggage placed on the loading section 7, the strength was excellent and the durability could be improved.

Next, a second embodiment of the present invention will be described. FIG. 4 is a partially enlarged sectional view showing a sheet pallet according to the second embodiment of the present invention.

The feature of the present embodiment is that, as shown in FIG. 4, the auxiliary layer 6 of the tab 8 is continuously connected to the sheet-like material 1 forming the stacking portion 7 through a folding curve 9. It is at the point where it is superposed and fixed on the surface of the object 1. The rest of the configuration is the same as that of the first embodiment described above, so the same parts are assigned the same reference numerals and explanations thereof are omitted.

Also in this embodiment, as in the first embodiment, since the tab 8 is formed thick, it can be easily and surely gripped by the gripper and the strength can be improved. be able to.

Next, a third embodiment of the present invention will be described. FIG. 5 is a partially enlarged sectional view showing a sheet pallet according to the third embodiment of the present invention.

The feature of the present embodiment is that, as shown in FIG. 5, the auxiliary layer 6 of the tab 8 is continuously connected to the sheet-like material 1 forming the stacking portion 7 through a folding curve 9. It is composed of an extension of the article 1, and this extension is folded back to the back side and fixed by the adhesive 11. Since other configurations are the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted. In the illustrated example, the extended portion of the sheet 1 is folded back and fixed to the back surface side, but it may be folded back and fixed to the front surface side to form the tab 8 thick.

Also in this embodiment, as in the first embodiment, since the tab 8 is formed thick, it can be easily and surely gripped by the gripper and the strength can be improved. be able to.

Next, a fourth embodiment of the present invention will be described. FIG. 6 is a partially enlarged sectional view showing a sheet pallet according to the fourth embodiment of the present invention.

The feature of this embodiment is that, as shown in FIG. 6, a light-reflecting film 12 such as an aluminum foil serving as a light-reflecting surface is formed on the entire surface of the tab 8 or in a desired shape such as a band. The point is that it is fixed and reflects the light emitted from the light source of the forklift. Since the other construction is the same as that of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted. In the illustrated example, the light reflecting film 12 is fixed to the surface of the tab 8, but instead of this light reflecting film 12, a fluorescent tape is adhered to the surface of the tab 8 or a fluorescent paint is applied. It is also possible to form a phosphor screen by means of which a light source of a forklift is irradiated to emit light. Further, the tab 8 has the auxiliary layer 6 stacked on the back surface side of the sheet-shaped material 1, but it is stacked on the front surface side as in the second embodiment, or the sheet-shaped material as in the third embodiment. The extension portion of 1 may be folded back and fixed to the back surface side or the front surface side. Further, in particular, in the case of the above-mentioned second embodiment shown in FIG. 4, the laminate layer 3 on the surface of the tab 8 may be replaced with a light reflecting film or a fluorescent film.

Also in this embodiment, as in the first embodiment, since the tab 8 is formed thick, it can be easily and surely gripped by the gripper and the strength can be improved. be able to. In addition to this, in the present embodiment, the light is emitted from the light source of the forklift truck even in a dark warehouse or the like, so that the light is reflected on the surface of the tab 8 or emitted by the light, so that the operator can clearly identify it. Therefore, it is possible to smoothly carry the cargo without being restricted in place and time.

Next, a fifth embodiment of the present invention will be described. FIG. 7 is a partially enlarged sectional view showing a sheet pallet according to the fifth embodiment of the present invention.

The feature of this embodiment is that, as shown in FIG. 7, a magnetic metal or a synthetic resin mixed with a magnetic material powder is mixed on the back surface of the sheet-like material 1 continuous with the loading portion 7 of the tab 8. And the like, and the auxiliary layer 6 made of a sheet is fixed by an adhesive 11 with a belt-shaped magnetic material 13 having a thickness of 0.05 to 3 mm, a width of 3 to 75 mm and a length of 10 to 1500 mm interposed therebetween. . The rest of the configuration is the same as that of the first embodiment, so the same parts are assigned the same reference numerals and explanations thereof are omitted. The auxiliary layer 6 is provided on the front surface side of the sheet-like material 1 as in the second embodiment, and the magnetic material 13 is interposed between these, or the sheet-like material as in the third embodiment. The extended portion of 1 may be folded back to the back surface side or the front surface side, and the magnetic material 13 may be interposed therebetween.

Also in this embodiment, as in the first embodiment, since the tab 8 is formed thick, it can be gripped easily and surely by the gripper, and the strength is improved. be able to. In addition, in this embodiment, when the tab 8 is gripped by the gripper, the tab 8 can be attracted and held by the gripper by the attraction force of the magnetic material 13, so that the tab 8 can be more easily and reliably gripped. it can.

Next, a sixth embodiment of the present invention will be described. FIG. 8 is a schematic perspective view showing a sheet pallet according to a sixth embodiment of the present invention, and FIG. 9 is a partially enlarged sectional view showing the sheet pallet.

A feature of this embodiment is that, as shown in FIGS. 8 and 9, a plurality of thermoplastic resin anti-slip ridges 14 are formed on the surface of the stacking portion 7 made of the sheet-like material 1. It is a point integrally provided by the extrusion coating method or the like so as to be substantially parallel to the folding curve 9 and at substantially equal intervals. Since other configurations are the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

Also in this embodiment, as in the first embodiment, since the tab 8 is formed thick, it can be gripped easily and surely by the gripper, and the strength is improved. be able to. In addition to this, in this embodiment, as described above, a plurality of anti-slip ridges 14 are formed on the surface of the loading section 7 substantially parallel to the folding curve 9 formed at the boundary between the loading section 7 and the tab 8. By providing the above, the friction resistance against the load increases due to the slip prevention projections 14 even when the platen is tilted when the load is lifted or lowered by the push-pull type forklift, so the load slides off the loading section 7. Can be prevented. As a result, the collapse of the load can be prevented, the work efficiency can be improved, and the damage of the load can be prevented.

In the first embodiment, polypropylene (LS620 manufactured by Showa Denko KK) was used as the anti-slip ridges 14 on the surface of the loading section 7 by the press coating method to have a thickness of 50 μm, a width of 50 mm, and an interval of 50 mm. Provided as one. The total thickness of the anti-slip ridge 14 was 0.835 mm, the basis weight was 583 g / m ² , and the tensile strength was 255 kg in a width of 5 cm. Then, one bag filled with 25 kg / bag of resin pellets was placed on the stacking portion 7 of the sheet pallet 10 and the sliding angle was measured. As a result, the bag began to slide when the angle of the loading section 7 was 35 degrees. On the other hand, as a comparative example, a similar bag was prepared in the same manner as in the above-mentioned example, and a similar bag was placed on the stacking portion of the sheet pallet having no slip prevention ridges 14 to measure the slip angle. As a result, the bag began to slip when the loading angle was 25 degrees. From this measurement result, it is clear that the embodiment of the present invention has a greater anti-slip effect than the conventional example.

The auxiliary layer 6 of the tab 8 is not limited to the sheet-like material as in each of the above-mentioned embodiments, and for example, a thick film made of plastic is fixed in a single layer or in a plurality of layers to have a thickness. May be increased. Further, the constituent elements of each of the above embodiments may be appropriately combined and used. In addition, the present invention can be variously modified in design without departing from the basic technical idea thereof.

[0035]

[Effect of device]

 As described above, according to the present invention, the tab is made thicker than the stacking part by stacking the auxiliary layer on the sheet-like material composed of the woven fabric and the laminating layer which is an extension of the stacking part. Since it is formed, the tab can be easily and surely gripped by the gripper of the forklift. Therefore, work efficiency can be improved. In addition, since it is made of a sheet-like material consisting of a woven fabric and a laminate layer as described above, it has excellent toughness as a whole, and since the tabs are made thick by stacking auxiliary layers, they are strong. Can be improved. Therefore, durability can be improved.

Further, as the auxiliary layer, a sheet-like material that shares a laminate layer with a sheet-like material to be fixed is used, or an extension portion of the sheet-like material to be fixed is folded back to form a tab. The strength of can be further improved.

Further, by forming the surface of the tab on the fluorescent surface or the light reflecting surface, the light is emitted from the light source of the forklift even in a dark warehouse, so that the light on the surface of the tab is changed. Since the light is reflected or emitted by the light and can be clearly identified by the operator, it is possible to smoothly carry the work of carrying the luggage without being restricted in place and time.

Further, since the tab has the magnetic material, when the tab is gripped by the gripper, the tab can be attracted and held by the gripper by the attraction force of the magnetic material, so that the tab can be more easily and surely. Can be gripped.

In addition, since the loading section has a plurality of anti-slip ridges made of synthetic resin, which are substantially parallel to the fold line formed on the boundary between the loading section and the tab, on the surface, the push-pull is formed. When the load is lifted or lowered by the die forklift, even if the platen tilts, the anti-slip ridges increase the frictional resistance to the load and prevent the load from slipping off the loading section. Therefore, it is possible to prevent the load from collapsing or be damaged, and to speed up the work.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a sheet pallet according to a first embodiment of the present invention.

FIG. 2 is a partially enlarged sectional view showing the sheet pallet.

FIG. 3 is a partially enlarged plan view showing a sheet-like material used for the sheet pallet.

FIG. 4 is a partially enlarged sectional view showing a sheet pallet according to a second embodiment of the present invention.

FIG. 5 is a partially enlarged sectional view showing a sheet pallet according to a third embodiment of the present invention.

FIG. 6 is a partially enlarged sectional view showing a sheet pallet according to a fourth embodiment of the present invention.

FIG. 7 is a partially enlarged sectional view showing a sheet pallet according to a fifth embodiment of the present invention.

FIG. 8 is a schematic perspective view showing a sheet pallet according to a sixth embodiment of the present invention.

FIG. 9 is a partially enlarged sectional view showing the sheet pallet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sheet-like material 2 Woven fabric 3 Laminating layer 6 Auxiliary layer 7 Loading section 8 Tabs 9 Folding curve 10 Sheet pallet 12 Light reflection film 13 Magnetic material 14 Anti-slip ridges

Claims (7)

[Scope of utility model registration request] 1. A tape made of synthetic resin, comprising a loading section for luggage and a tab connected to the loading section through a folding curve, and the loading section and the section of the tab connected to the loading section are made of synthetic resin. A woven fabric woven from at least one of the fibers,
This tab is formed by a sheet-like material including a synthetic resin laminate layer laminated with the woven cloth, and the tab is formed so as to be thicker than the stacking portion by stacking and fixing an auxiliary layer on the sheet-like material. Sheet pile. 2. The sheet pallet according to claim 1, wherein the auxiliary layer is a sheet-shaped article which shares a laminating layer with a sheet-shaped article to be fixed. 3. The sheet pallet according to claim 1, wherein the auxiliary layer is formed by folding back an extended portion of the sheet-like material to be fixed. 4. The sheet pallet according to claim 1, wherein the surface of the tab is a fluorescent surface. 5. The sheet pallet according to claim 1, wherein the surface of the tab is a light reflecting surface. 6. The tab according to claim 1, wherein the tab has a magnetic material.
Sheet pallet according to any one of. 7. The loading section has a plurality of anti-slip ridges made of synthetic resin, which are integrally formed on the surface, substantially in parallel with a folding curve formed at a boundary between the loading section and the tab. The sheet pallet described in either one.