KR20140081719A - Pallet for packaging glass sheet - Google Patents

Abstract

The present invention relates to a pallet for packing glass plates comprising: a bottom support member for supporting the lower edge of a laminated glass plate body in which glass plates and sheets are alternately laminated; a rear surface support member for supporting the rear surface of the laminated glass plate body; a support member for supporting the rear surface support member; a front frame arranged on the front surface of the laminated glass plate body and having multiple frame members; and belts having both ends fixed on the support member via the front surface of the front frame and applying force for pressing the laminated glass plate body to the rear surface support member to the laminated glass plate body via the front frame. Intermediate members coming in contact with the belts and separately hanging the belts on the front surface of the front frame are formed between the front frame and the belts.

Description

Glass pallet packing pallet {PALLET FOR PACKAGING GLASS SHEET}

The present invention relates to a pallet for glass wrapping.

Glass plates for flat panel displays (FPD) such as liquid crystal glass plates and plasma display glass plates are prone to product defects due to scratched or contaminated surfaces during storage or transportation. As a form for preventing scratches and contamination of such glass sheets, Patent Document 1 discloses a glass sheet laminate in which glass sheets and laminated sheets (sheets) are alternately laminated and surfaces of adjacent glass sheets are separated from each other. In addition, Patent Document 1 discloses a pallet for packaging glass sheets in which the glass sheet laminate is packed.

The pallet for packaging glass sheets of the patent document 1 is a pallet for wrapping and stacking glass sheet stacks in a vertical arrangement and includes a pedestal, a bottom plate (bottom support member) fixed to the upper surface of the pedestal and supporting the lower rim of the glass sheet laminate, And a back plate (back support member) which is fixed to the upper surface of the pedestal and supports the back surface of the glass plate laminate.

On the other hand, Patent Document 2 discloses a fixing type in which a glass plate laminate is fixed to a glass pallet for pallet using a belt.

In the fixing type of the belt disclosed in Patent Document 2, a hook is provided on the side of a front frame disposed on the front face of the laminated glass sheet, and one end of the belt is hooked to the hook. The other end of the belt is connected to a back plate frame (support member) for supporting the back plate through the ratchet type hoisting device. Thereafter, the belt is rolled up by operating the ratchet hoisting device, and the glass plate laminate is pressed against the back plate by the tension of the belt. Thereby, the glass plate laminate is fixed to the glass plate wrapping pallet.

Further, as another fixed form by a belt, a lashing belt (also referred to as a ratchet belt) is horizontally laid on the front face side of the front frame and the lashing belt is bent at right angles along the edge of the outer frame of the front frame, And both ends of the lashing belt are fixed to the back plate frame. In this case, a plurality of lashing belts are used although they vary depending on the size of the laminated glass sheet.

In the specification of the present application, a laminate in which a plurality of glass plates and sheets are alternately stacked is referred to as a "glass plate laminate", a member in which a "glass plate laminate" is packaged is referred to as a "glass plate packing pallet" Quot; a glass plate laminate " in the " pallet packing pallet "

Japanese Patent Laid-Open No. 2008-143542 Japanese Patent Laid-Open No. 11-63274

In the above other conventional fixing type, the force from the lashing belt pressing the glass plate laminate to the back plate can be dispersed to some extent by the front frame.

However, since the above-mentioned force from the lashing belt is concentrated on the edge of the outer frame of the front frame bent at right angles, the main surface of the glass plate in the vicinity of the edge is located in the vicinity of the edge There is a possibility that the glass plate is damaged due to stronger force than the main surface of the glass plate.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a glass pallet pallet capable of preventing the glass plate from being damaged by dispersing the force from the belt on the main surface of the glass plate.

According to one aspect of the present invention, in order to achieve the above-described object, there is provided a floor support member for supporting a lower frame of a glass plate laminate in which a glass plate and a sheet are alternately laminated, a back support member for supporting a back surface of the glass plate laminate, A front frame which is disposed on a front surface of the glass plate laminate and includes a plurality of frame members; and a front frame which has both ends fixed to the supporting member over the front surface of the front frame, And a belt for applying a force for pressing the glass plate laminate to the back side support member to the glass plate laminate through the front frame, the glass plate wrapping pallet being characterized in that, between the front frame and the belt, And spaced apart from the front face of the front frame The pallet for glass wrapping is provided with an intermediate member which extends in the longitudinal direction.

According to one aspect of the present invention, the force transmitted from the belt to the front frame is transmitted to the front frame via the intermediate member. At this time, since the force transmitted from the belt to the front frame is dispersed by passing through the intermediate member, it is not concentrated on the edge of the outer frame of the front frame, but is dispersed in the plurality of frame members constituting the front frame. Thus, according to the embodiment of the present invention, since the force from the belt is dispersed on the main surface of the glass plate, it is possible to prevent the glass plate of the glass plate laminate from being damaged due to the force being concentrated on the edge of the outer frame.

According to an aspect of the present invention, it is preferable that the intermediate member includes a guide member that extends over the belt in an arc shape.

According to one aspect of the present invention, the force from the belt can be dispersed on the main surface of the glass plate by sandwiching the belt along the guide member. That is, the force exerted by the main surface of the glass plate of the glass plate laminate through the guide member acts in a direction (normal direction) orthogonal to the tangent of the contact point of the guide member to which the belt contacts. As a result, the main surface of the glass plate facing the belt is subjected to a substantially uniform force along the direction in which the belt is stretched. Therefore, the force from the belt can be dispersed on the main surface of the glass plate.

In an aspect of the present invention, it is preferable that the intermediate member includes a leaf spring member.

According to one aspect of the present invention, the force from the belt can be dispersed on the main surface of the glass plate by sandwiching the belt through the leaf spring member. That is, the leaf spring member, which is curved by the force from the belt, is elastically deformed toward the straight line, so that the force from the belt can be dispersed on the main surface of the glass plate.

In an aspect of the present invention, it is preferable that the intermediate member includes a pressing member provided at a central portion of the front frame, and a plate-like member disposed between the pressing member and the front surface of the front frame.

According to one aspect of the present invention, the force from the belt can be dispersed on the main surface of the glass plate by sandwiching the belt through the pressing member. That is, the force from the belt is transmitted from the pressing member to the plate member, and is dispersed in the plane of the plate member, so that the force from the belt can be dispersed on the main surface of the glass plate.

In one aspect of the present invention, it is preferable that a buffer member is disposed between the glass plate laminate and the front frame.

According to one aspect of the present invention, the force from the belt dispersed by the intermediate member is further dispersed by passing the buffer member from the front frame. Therefore, according to one aspect of the present invention, the force from the belt can be further dispersed on the main surface of the glass plate.

As described above, according to the pallet for packaging glass sheets of the present invention, since the force transmitted from the belt to the front frame is dispersed by interposing the intermediate member, damage to the glass plate can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a whole perspective view of a glass plate thermal insulator of an embodiment; Fig.
2 is an explanatory view showing a structure of a pallet for glass packaging and a laminated glass plate.
Fig. 3 (a) is a schematic view showing the direction of a force generated in the guide member, and Fig. 3 (b) is an explanatory view showing a distribution of the force transmitted from the guide member to the front frame.
Fig. 4 (a) is a schematic view showing a conventional fixed type in which a lashing belt is directly applied to a front frame, and Fig. 4 (b) is an explanatory view showing a distribution of a force transmitted from the lashing belt to the front frame.
Fig. 5 (a) is a schematic view showing the direction of a force generated in the leaf spring member, and Fig. 5 (b) is an explanatory view showing a distribution of the force transmitted from the leaf spring member to the front frame.
Fig. 6 (a) is a schematic diagram showing the direction of the force generated in the pressing member, and Fig. 6 (b) is an explanatory diagram showing the distribution of the force transmitted from the pressing member to the front frame through the plate-

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a pallet for packaging glass sheets according to the present invention will be described with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an overall perspective view of a glass plate covering body 14 in which a glass plate laminate 12 is packed in a pallet 10 for vertical laminated glass sheet packaging according to the embodiment; Fig. Fig. 2 is an explanatory view for explaining the constructions of the pallet 10 for glass packaging and the glass plate laminate 12. Hereinafter, a description will be given based on Fig. 1 and Fig.

(Hereinafter referred to as "pallet") 10 is provided with a plate-like mounting surface 18 on the upper surface of a pedestal 16 serving as a base. A bottom plate (bottom support member) 20 for supporting the lower rim of the glass plate G of the glass plate laminate 12 is fixed on the upper surface of the mounting surface 18 in an inclined manner with respect to the mounting surface 18 . The back plate frame (supporting member) 22 erected on the mounting surface 18 has an angle of 90 DEG to 100 DEG with respect to the upper surface of the bottom plate 20 (the surface supporting the lower edge of the glass plate G) 24 on the front surface of the back plate frame 22 to support the rear surface of the glass sheet laminate body 12 and a back plate (rear surface supporting member) And is fixedly restrained. The upper surface of the bottom plate 20 is provided with a bottom plate cushion such as rubber or hard foamed resin to prevent damage due to contact with the glass plate G when the lower edge of the glass plate G is supported 26 and a similar back plate cushion 28 is provided on the front surface of the back plate 24. [ Further, on the front surface of the pedestal 16, there are provided openings 30, 30 through which hooks (not shown) of the forklift are inserted and withdrawn.

The bottom plate 20 is stacked on the upper surface of the mounting surface 18 via a bottom plate frame 32 which is disposed between the mounting surface 18 and the bottom plate 20 and has a triangular shape when viewed from the side . The bottom plate 20 is disposed such that the upper surface thereof is inclined with respect to the mounting surface 18 preferably by 5 ° to 25 °, more preferably by 10 ° to 20 °, particularly preferably by about 18 °. This facilitates the positioning operation of the glass plate G when the glass plate G is loaded on the pallet 10 by the glass plate loading apparatus (not shown). 2 is the loading direction of the glass plate G with respect to the pallet 10. The main surface of each of the glass plates G is in contact with the main surface of the glass plate G on the back plate 24 side due to its own weight so that a useless gap between the major surfaces of the glass plates G, There is no.

The glass sheet laminate 12 is constituted by a plurality of glass plates G in a rectangular shape and a plurality of rectangular sheets 34 in a rectangular shape and alternately stacking a glass sheet G and a laminated paper 34 .

The glass plate (G) is used for an FPD glass plate for a liquid crystal display or the like, and preferably has a thickness of 0.7 mm or less. In the embodiment, the laminate 34 is exemplified as a sheet interposed between the glass plate G and the glass plate G, but the laminate 34 is not limited to the laminate 34. [ For example, a resin film, a resin sheet and a foamed resin sheet can also be applied instead of the laminate 34. [ When the laminate 34 is used as the sheet, the raw material of the laminate 34 is preferably virgin pulp, but a raw material containing cellulose or the like may be used. The number of sheets of glass sheet G and laminate sheet 34 to be mounted on the pallet 10 is set to be a value corresponding to the number of sheets of the glass sheet G in the sixth generation (1500 mm in length x 1800 mm in length x 1500 mm in width x 1850 mm in width) , It is preferable that the number of the glass sheets G is 250 or more in the case of the glass plate G having the number of sheets of 300 sheets or more and the seventh generation (length 1870 mm x width 2200 mm to length 1950 mm x width 2250 mm).

Two plate-like buffering members 36 and 36 such as plastic corrugated cardboard are disposed on the front surface of the glass plate laminate 12 supported by the bottom plate 20 and the back plate 24 and the glass plate laminate 12 Is covered by the cushioning members 36, 36. A front frame 38 including a plurality of frame members is disposed on the front surface of the buffer members 36, The front frame 38 has a slightly larger size than the front surface of the glass plate laminate 12. [ In the embodiment, the front surface of the glass sheet laminate 12 is covered with the two buffer members 36 and 36. However, if the front surface of the glass sheet laminate 12 can be covered with the buffer members 36 and 36, 36) may be one or more than three.

In the pallet 10 of the embodiment, in order to fix the glass plate laminate 12 to the pallet 10, on the front surface of the front frame 38, at a desired interval in the vertical direction (vertical direction) And three lashing belts (belts) 40, 40, ... disposed on the upper surface of the frame body 3 are horizontally stretched. Both ends of the lashing belts 40 are attached to the hooks 42, 42, ... provided on both side surfaces of the rear plate frame 22. Then, a tension is applied to the lashing belts 40, 40 ... by operating a ratchet-type hoisting device (not shown) provided for each of the lashing belts 40, 40 .... The tensile force of the lashing belts 40 is imparted from the front frame 38 to the glass plate laminate 12 via the buffer members 36 and 36 so that the glass plate laminate 12 is held on the back plate 24 side And is fixed to the pallet 10.

In the pallet 10 of the embodiment, the guide members (intermediate members) 44, 44, ... which are the first embodiment as intermediate members are provided on the front surface of the front frame 38, And the lashing belt 40 is stretched over. That is, the pallet 10 according to the embodiment is provided between the front frame 38 and the lashing belt 40 so as to be in contact with the lashing belt 40 and to move the lashing belt 40 against the front surface of the front frame 38 And a guide member 44 which is spaced apart is fixed to the front face of the front frame 38. [ The number of the lashing belts 40 and the number of the guide members 44 are the same as the number of the lashing belts 40 in the size of the glass plate laminate 12 . For example, the number of the lashing belts 40 and the number of the guide members 44 may be one for the single glass plate laminate 12. The fixing position of the guide member 44 with respect to the front frame 38 is also the same.

As shown in Fig. 1, the guide member 44 is a member which extends in a horizontal direction with respect to the front surface of the front frame 38 and in a circular arc shape having a convex shape in the forward direction, as shown in Fig.

The guide member 44 has a pair of forward and backward convex plates 46 and 46 arranged in parallel with each other with an interval therebetween at an interval therebetween and a pair of forward and backward plates 46 and 46, And a plurality of guide bars (48, 48, ...) arranged along a circular arc shape having a convex shape in the direction of the arrow. The outer peripheral edge portion of the reflective plate 46 includes an arcuate rim portion 46A located on the front side and a linear rim portion 46B located on the rear plate 24 side, (46B) is fixed to the front frame (38) by welding or the like. The guide bars 48, 48, ... are arranged in the vertical direction in Figs. 1 and 2, and the surface of the guide bars 48, 48, ... is in contact with the lashing belt 40.

Next, the operation of the guide member 44 will be described.

3 (a) is a schematic diagram showing the directions of forces generated in the guide bars 48, 48, ... when the force from the lashing belt 40 acts on the guide member 44 by an arrow a. 3 (b) is an explanatory diagram showing the distribution of the magnitude of the force (Y-axis) in the horizontal direction (X-axis) as the force transmitted from the guide member 44 to the front frame 38 to be. The force is transmitted from the guide bars 48 to 48 to the plurality of frame members of the front frame 38 via the backing plates 46 and 46. The cushioning members 36 and 36 of Fig. To the main surface of the glass plate (G) of the glass plate laminate (12).

The direction of the force that the main surface of the glass plate of the glass plate laminate 12 shown in Figs. 1 and 2 receives from the lashing belt 40 via the buffer member 36, the front frame 38, and the guide member 44, (A normal line direction indicated by an arrow a) with respect to the tangent of the contacts of the guide bars 48, 48 ..., which the lashing belt 40 is in contact with, as shown in Fig. 3 (a). In other words, the main surface of the glass plate of the glass plate laminate 12 receives a force from the entire guide member 44. As a result, the main surface of the glass plate of the glass sheet laminate 12 facing the lashing belt 40 is subjected to a substantially uniform force along the lancing direction of the lashing belt 40, as shown in Fig. 3 (b). Therefore, the guide member 44 can disperse the force from the lashing belt 40 on the main surface of the glass plate, and therefore, the glass plate laminate body 40, which is caused by the fact that the force is concentrated on the edge of the outer frame of the front frame 38 It is possible to prevent the glass plate 12 from being damaged. The force transmitted from the lashing belt 40 to the main surface of the glass plate is also dispersed in a direction orthogonal to the direction in which the lashing belt 40 is stretched. In the embodiment, since the three guide members 44, 44 ... are provided, the force transmitted from the three lashing belts 40 to the main surface of the glass plate is dispersed almost all over the main surface of the glass plate. Although the guide member 44 is provided with the lashing belt 40 in an arc shape along the plurality of guide bars 48, 48 ..., it is also possible to use an arcuate plate instead of the guide bar 48.

A comparative example is shown in Fig.

4 (a) is a schematic view showing a conventional fixed form in which the lashing belt 40 is directly attached to the front frame 38. As shown in Fig. 4B is an explanatory diagram showing the distribution of the magnitude of the force (Y axis) in the horizontal direction (X axis) as a force transmitted from the lashing belt 40 to the front frame 38 . 4 (b), it can be seen that the force is concentrated on the edge of the outer frame of the front frame 38 in the conventional fixed form.

Next, a second embodiment using the leaf spring member 50 as the intermediate member is shown in Fig.

5A is a schematic view showing the direction of a force generated in the leaf spring member 50 when a force from the lashing belt 40 acts on the leaf spring member 50 by an arrow a. An arrow a in the center of the arrow a indicates the direction of the force at the contact point between the leaf spring member 50 and the front frame 38. [ 5B shows the distribution of the magnitude of the force (Y-axis) in the horizontal direction (X-axis) as the force transmitted from the leaf spring member 50 to the front frame 38 .

The leaf spring member 50 is formed in an arcuate shape having a convex shape in the rearward direction (in the direction of the glass plate laminate), and the central portion 50A is fixed to the central portion in the horizontal direction of the front frame 38, 50B, and 50B. In this state, when the lashing belt 40 is rolled up as indicated by the chain double-dashed line, the leaf spring member 50 is moved in a straight line shape by the force from the lashing belt 40 As shown in Fig. At this time, of the forces in the direction of the arrow a generated in the leaf spring member 50, the forces generated in the both end portions 50B, 50B of the leaf spring member 50 and the vicinity thereof cause the horizontal end of the front frame 38 Lt; / RTI > 5 (b), the force from the lashing belt 40 is dispersed without being concentrated on the edge of the outer frame of the front frame 38. As shown in Fig.

Therefore, even when the second embodiment provided with the leaf spring member 50 is used as the intermediate member, the glass plate lamination due to the force from the lashing belt 40 being concentrated on the edge of the outer frame of the front frame 38 It is possible to prevent the glass plate of the body 12 from being damaged.

Next, a third embodiment using the pressing member 52 and the plate member 54 as the intermediate member is shown in Fig.

6A is a schematic diagram showing the direction of a force generated in the pressing member 52 by an arrow a when a force from the lashing belt 40 acts on the pressing member 52. As shown in FIG. 6 (b) shows the force transmitted from the pressing member 52 to the front frame 38 via the plate member 54, and the magnitude of the force in the horizontal direction (X-axis) ) In the second embodiment.

The pressing member 52 is made of metal, resin or rubber and has a cylindrical or cylindrical shape. The pressing member 52 is disposed at a central portion in the horizontal direction of the front frame 38 and a shaft 53 (only one shaft 53 shown) A pair of upper and lower flanges 56 (only one of the flanges 56 is shown) A lashing belt (40) is stuck on the outer peripheral surface of the pressing member (52).

The plate member 54 is made of metal, resin or rubber, and is provided at a central portion of the front frame 38 in the horizontal direction. That is, the plate member 54 is disposed between the front frame 38 and the pressing member 52. The intermediate member is configured to transmit the force from the lashing belt 40 from the pressing member 52 to the front frame 38 through the plate member 54. [

The force from the lashing belt 40 is transmitted to the pressing member 52 and the force is transmitted from the pressing member 52 to the pressing member 52 via the lashing belt 40, a < / RTI > Then, the force is dispersed in the plane of the plate member 54 and transmitted to the front frame 38. 6 (b), the force from the lashing belt 40 is dispersed without being concentrated on the edge of the outer frame of the front frame 38. [ Therefore, even when the third embodiment including the pressing member 52 and the plate member 54 is used as the intermediate member, the force from the lashing belt 40 is concentrated on the edge of the outer frame of the front frame 38 It is possible to prevent the glass plate laminate 12 from being damaged.

In the embodiment, since the buffer member 36 is disposed between the glass plate laminate 12 and the front frame 38, the force from the lashing belt 40 dispersed by the above- And is further dispersed by passing the buffer member 36 from the frame 38. [ Therefore, the force from the lashing belt 40 can be further dispersed on the main surface of the glass plate.

Although the first to third embodiments have been described as the intermediate member in the above-described embodiment, the present invention is not limited to these embodiments, and it is also possible to adopt the same functions as those of the first to third embodiments, It is also possible to apply even a member. In the embodiment, the lashing belt 40 extends in the horizontal direction. However, in the case of the lashing belt 40 extending in the vertical direction, the intermediate member is arranged to extend along the lashing direction of the lashing belt 40 And fixed to the front frame 38.

The present application is based on Japanese Patent Application No. 2012-279373 filed on December 21, 2012, the contents of which are incorporated herein by reference.

G: Glass plate
10: Glass pallet packing pallet
12: Glass plate laminate
14: Glass plate gonoche
16: Stand
18: Mounting surface
20: bottom plate
22: rear plate frame
24: back plate
26: Floor plate cushion
28: back plate cushion
30: opening
32: bottom plate frame
34: Lagoons
36: buffer member
38: Front frame
40: Lashing belt
42: Hook
44: Guide member
46: Bumpy disc
46A: Arcuate rim portion
46B: Straight shape frame portion
48: Guide Bar
50: leaf spring member
50A:
50B: Both ends
52: pressing member
54: Plate
56: Flange

Claims (5)

A back support member for supporting a back surface of the glass plate laminate, a support member for supporting the back support member, and a sealing member for supporting the glass plate stacked body, A front frame disposed on a front surface of the laminate and including a plurality of frame members; and a fixing member having both ends fixed to the supporting member over the front surface of the front frame, and pressing the glass plate laminate to the back supporting member And a belt for applying a force to the glass plate laminate through the front frame,
Wherein an intermediate member is disposed between the front frame and the belt, the intermediate member being in contact with the belt and spaced apart from the front surface of the front frame. The glass pallet for palletizing pallet according to claim 1, wherein the intermediate member comprises a guide member which extends in a circular arc shape. The pallet for glass-wrapping according to claim 1, wherein the intermediate member comprises a leaf spring member. 2. The pallet for glass-wrapping according to claim 1, wherein the intermediate member comprises a pressing member provided at a central portion of the front frame, and a plate placed between the pressing member and the front surface of the front frame. The glass pallet pallet according to any one of claims 1 to 4, wherein a cushioning member is disposed between the glass sheet laminate and the front frame.

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