JPH11266938A - Shelf board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shelf board capable of surely fixing a shelf board material and a reinforcing material by eliminating projecting matter on the surface of the shelf board material and avoiding the sticking of a temper collar such as spot welding. SOLUTION: A shelf board is constituted of a shelf board material 22 made of a metallic plate, reinforcing materials 23 and 24 fixed to the rear surface of the material 22 to reinforce the material 22. Then, through holes 26 are provided at the materials 23 and 24, cylindrical projecting parts 25 opening its tip and projecting to the side of the reinforcing materials are provided at the material 22 integally with the material 22, the part 25 provided at the material 22 is inserted in the state of penetrating the hole 26 provided at the materials 23 and 24 and the tip of the part 25 projecting from the hole 26 is bent in the state of opening a diameter to fix the materials 23 and 24 to the rear surface of the material 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shelf made of a metal plate and a reinforcing member fixed to the back of the shelf to reinforce the shelf.

[0002]

2. Description of the Related Art A shelf board having such a configuration is known in which a shelf board member and a reinforcing member are connected and fixed using a fixture such as a rivet or a screw. However, when connecting and fixing with a fixing tool, the end of the fixing tool protrudes upward from the surface of the shelf material, and in order to avoid this, a method of connecting and fixing the shelf material and the reinforcing material by spot welding is often used. ing.

[0003]

However, in the case of connecting and fixing by spot welding, the surface of the shelf is discolored by spot welding, so-called temper color adheres and the appearance is impaired. After that, it is common to paint the surface of the shelf board material. For this reason, connection and fixing by spot welding requires painting work, and if the painted shelves are used as shelves for placing goods in automatic warehouses, the goods can be transferred onto the shelves when the goods are transferred. Because of the slide, the paint on the shelf board peeled off over time,
The appearance is unfavorable.

The present invention has been made to overcome the above-mentioned drawbacks, and an object of the present invention is to provide a shelf board having no protrusions on its surface.
Moreover, it is an object of the present invention to provide a shelf plate which does not adhere to a temper collar such as spot welding, and which can securely fix the shelf plate member and the reinforcing member.

[0005]

According to the first aspect of the present invention, a through hole is provided in a reinforcing material for reinforcing a metal plate shelf, and a tip of the shelf plate is opened. And, in a state in which a cylindrical protrusion protruding toward the reinforcing material side is provided integrally with the shelf material, and the cylindrical protrusion provided on the shelf material passes through a through hole provided in the reinforcing material. Inserting, the tip of the protruding portion protruding from the through hole is bent into an expanded state, and a reinforcing material is fixed to the back surface of the shelf board material,
There is no protrusion on the surface of the shelf, and
There is no temper color like spot welding. Therefore, after the connection and fixing, it is not always necessary to apply the coating, but the cylindrical protrusion integrally protruded from the metal shelf is passed through the through hole of the reinforcing material, and the tip of the protrusion is formed. Is bent and fixed in an expanded state, so that the shelf board member and the reinforcing member can be reliably fixed.

According to the second aspect of the present invention, the shape of the shelf is rectangular, and a plurality of reinforcing members are arranged along the sides of the rectangular shelf and substantially parallel to each other. The rectangular shelf can be effectively reinforced by a plurality of reinforcing members.

According to the third aspect of the present invention, since the reinforcing member is formed of a plate-shaped member, the weight of the shelf can be reduced as compared with the case where, for example, a mold steel is used. . Then, the reinforcing member made of the plate-like member bulges out to a contact portion in contact with the back surface of the shelf material along the side of the shelf material and to a side away from the back surface of the shelf material in a state continuous with the contact portion. Since the contact portion has a plurality of through-holes, the contact portion can be firmly connected and fixed as described above using the through-hole of the contact portion that contacts the back surface of the shelf board material, In addition, since the bulging portion connected to the contact portion reinforces the reinforcing material itself, it is necessary to reliably reinforce the shelf plate material despite being a reinforcing material that can be reduced in weight by the plate-shaped member. Can be.

According to the fourth aspect of the present invention, the reinforcing member includes a middle reinforcing member having contact portions on both sides of the bulging portion, and an outer reinforcing member having the contact portion on only one side of the bulging portion. Since the outer reinforcement is fixed to the end of the side of the rectangular shelf, and the middle reinforcement is fixed to the middle part between the ends of the side, the shape is The shelves can be effectively reinforced by two kinds of reinforcements different from each other. In particular, in the middle part of the shelves, the middle reinforcement is utilized by using the through holes of the contact portions on both sides of the bulging portion. By connecting and fixing, the middle portion of the shelf can be strongly reinforced by making full use of the reinforcing effect of the bulging portion.

According to the fifth aspect of the present invention, of the sides of the shelf, the end of the side on which the outer reinforcement is fixed is bent toward the outer reinforcement to form a hollow curved portion. With the contact portion of the outer reinforcing member facing the inside of the shelf, the bulging portion of the outer reinforcing member is located in the hollow curved portion. Since the curved portion wraps around, it is possible to finish the side of the shelf board in a neat state while securely reinforcing the side with the external reinforcing material.

According to the sixth aspect of the present invention, since the reinforcing member is formed of a metal plate, a through-hole for inserting the projecting portion of the shelf through is formed relatively easily by press working or the like. be able to. Furthermore, even in the case where the above-mentioned contact portion or bulge portion is provided for the reinforcing material, the contact portion or bulge portion can be easily formed by press working, and the metal plate is used. Pre-plated reinforcement and metal plate shelves before connecting and fixing the reinforcements to the back of the shelves without the need to apply a coating process, providing a good looking shelf at a low price Yes, especially
This is effective when used as a shelf for an automatic warehouse in which articles slide on the shelf.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a shelf according to the present invention will be described with reference to the drawings. This shelf board is used, for example, as an article storage shelf for an automatic warehouse. As shown in FIG. 1, such an automatic warehouse includes a plurality of article storage shelves 1 in a state where frontages are opposed to each other. An article transfer device 2 is provided between the opposed article storage shelves 1 and is movable along the frontage of the article storage shelves 1. Since the article transfer device 2 is a conventionally known device, the detailed description thereof is omitted, but it is provided with an elevating platform 3 which can be moved up and down, and a pair of left and right belt driven transfer devices provided on the elevating platform 3. Various articles A stored in a cardboard box or the like are sandwiched by the tool 3a from the left and right, and the articles A can be transferred between the elevator 3 and the article storage shelf 1 while sliding.

As shown in FIG. 2, each of the article storage shelves 1 includes a plurality of long columns 4 standing vertically and a rivet, a bolt, a nut, and the like extending between the plurality of columns 4. The whole is framed by a plurality of diagonal beams 5 and the like connected and fixed by a connecting tool, and is configured into an assembling truss structure by pin bonding. This article storage shelf 1
A unit storage shelf having one frontage is constituted by four pillars 4, and a pair of beams 6 are disposed in front and back as viewed from the frontage, and the article A is placed and stored on the pair of front and rear beams 6. The shelves 7 are placed and fixed in such a manner that the articles A can be stored and stored in multiple rows in the vertical direction and in multiple rows in the horizontal direction.

As is apparent from FIGS. 3 and 4, the support column 4 is formed of a hollow section steel having a substantially rectangular cross section and having a pair of projecting sides 8 parallel to each other on one surface thereof. An opening groove extending in the longitudinal direction is formed between the pair of projecting sides 8, and a concave groove 9 extending in the longitudinal direction is formed in the center of the opposite surface. A plurality of pin holes 10 are formed in each pillar 4 at substantially equal pitches along the longitudinal direction and over substantially the entire length. This pin hole 10 is a circular hole,
As is clear from FIG. 4, each support 4 is drilled so as to penetrate the support 4 in the front-rear direction, and a row of such a plurality of pin holes 10 is provided on both left and right sides of the recess 9 of the support 4. Have been. However, as for the column 4 standing upright at the end in the direction along the frontage of the article storage shelf 1, it is sufficient to form a row of pin holes 10 only on one of the left and right sides of the recessed groove 9.

The column 4 having such a structure is used as the article storage shelf 1.
Before and after the front view, the projecting sides 8 are arranged with the protruding sides 8 facing each other, and are erected by anchor bolts using a base plate 11 welded to the lower end of each column 4, and each beam is erected. Brackets 13 are attached to the right and left ends of the bracket 9 via channel-like attachment members 12, respectively. That is, each bracket 13 has
The mounting member 12 described above is fixed by welding, the rectangular tube-shaped beam 6 is externally fitted to the mounting member 12, and a bolt 15 is screwed into a nut 14 welded to the mounting member 12 to attach the beam 6 to the mounting member 12. 12, the brackets 13 can be connected to both ends of each beam 6, and the brackets 13 located at both ends of the beam 6 can be connected.
, Each beam 6 is connected and fixed between a pair of columns 4 located on the left and right.

The bracket 13 has a difference in right and left when viewed from the frontage, and the bracket 13 connected to the beam 6 in front of the frontage and the one connected to the rear beam 6 are different in right and left, but they are all the same. Because of the structure, the connection to the beam 6 in front of the frontage will be described. Each bracket 13
Is bent by a metal plate so as to have an L-shaped cross section, and is applied to the front plate 16 to be applied to the front surface of the upright supporting column 4 and to the lateral side surface on the existing side of the article A. The mounting member 12 is welded to the lower end of the horizontal plate 17. Front plate 16 of bracket 13
Is provided with a through hole 19 for inserting a bolt-shaped connecting pin 18 over the pin hole 10 of the column 4, and a cutout hole 20 for engaging with the connecting pin 18 is formed in the horizontal plate 17. Have been.

The connecting pin 18 is formed in a substantially L-shape including a bent portion 18a and a straight portion 18b by bending an intermediate portion thereof, and a nut 2 is attached to a screw portion at the tip of the straight portion 18b.
Each of the brackets 13 can be connected and fixed to the column 4 by screwing the brackets 1. That is, the brackets 13 fixed to both ends of the beam 6 are respectively set along the columns 4,
The through hole 19 of the front plate 16 is aligned with one of the pin holes 10 of the support 4, and the bent portion 18 a of the connecting pin 18 is
3 is inserted into the notch hole 20 of the horizontal plate 17, and the connecting pin 18 is inserted through the pin hole 10 of the support 4 and the through hole 19 of the front plate 16 of the bracket 13. Each beam 6 can be fixed to the column 4 via the bracket 13 by screwing the nut 21.

The beam 6 attached to the column 4 in this manner is a rectangular tube having an inwardly protruding tongue 6a and a pair of front and rear beams as shown by phantom lines in FIG. 6, the shelf 7 is placed on the tongue 6a,
The shelf 7 and the tongue side 6a of the beam 6 are fixed to each other by a connecting tool such as a screw. As shown in FIGS. 5 and 6, the shelf 7 has a shelf 22 made of a rectangular metal plate having a plated surface, and three reinforcing members fixed to the back of the shelf 22, that is, A middle reinforcing member 23 provided along the longitudinal direction of the shelf 22 at the center in the width direction of the shelf 22, and two middle reinforcing members 23 provided along the longitudinal direction of the shelf 22 at both ends in the width direction. Outer reinforcement 2 for books
4.

The reinforcing members 23 and 24 are also formed by bending a metal plate whose surface is plated, and the middle reinforcing member 23 has a transverse cross-sectional shape at both ends in the width direction of the back surface of the shelf 22. 2 as a contact part that contacts
3a and the shelf board material 2 in a state of being continuous with the flange 23a.
2 is formed in an inverted hat shape with a bulging portion 23b bulging away from the back surface, and a reinforcing groove 23c is formed along the longitudinal direction at the center of the bulging portion 23b in the width direction. It is formed and the end of the flange 23a is bent so as to be double. The outer reinforcing member 24 is obtained by cutting the middle reinforcing member 23 in such a configuration at the center in the width direction. Therefore, each outer reinforcing member 24 is also formed as a contact portion bent so that the end is doubled. Flange 24a, semi-bulging portion 24b,
It has a semi-recessed groove 24c.

The reinforcing material for reinforcing the shelf 22 in this manner is composed of two types of reinforcing materials, a middle reinforcing material 23 and an outer reinforcing material 24. The middle reinforcing material 23 is located at the center of the shelf 22 in the width direction. , Flange 23a located on both sides of bulging portion 23b
Are connected and fixed to the shelf 22 in a state in which they are in contact with the back surface of the shelf 22. On the other hand, the two outer reinforcements 24 are provided with the flange 24a inward, the semi-bulged portion 24b outward, and the flange 24a in contact with the back surface of the shelf 22.
2 and is integrally bent along the longitudinal direction of the shelf 22 and has a hollow curved portion 2 having an L-shaped cross section.
2a, a semi-bulged portion 24b is located, and the curved portion 22a
Thus, the semi-bulged portion 24b is fixed in a wrapped state.

The method of fixing the shelf 22 to the reinforcing members 23 and 24 will be described. The portion of the shelf 22 where the flanges 23a and 24a of the reinforcing members 23 and 24 come into contact with each other has a predetermined pitch. As shown in FIG. 7A, a plurality of cylindrical protrusions 25 each having an open end are provided in a row. The protrusion 25 is formed integrally with the shelf 22 by press working. For example, if the thickness of the shelf 22 is 1 mm, the outer diameter of the protrusion 25 is about 5 mm. On the other hand, the flanges 23a, 24 of the reinforcing members 23, 24
In a, a through hole 26 having a diameter slightly larger than the outer diameter of the protrusion 25 is formed in advance at a position corresponding to the protrusion 25 by press working.

Then, as shown in FIG. 7 (b), the respective projecting portions 25 of the shelf 22 are inserted through the through holes 26 of the flanges 23a, 24a of the reinforcing members 23, 24. As shown in (c), a so-called clinching press process is performed in which the tip of each protrusion 25 protruding from each through-hole 26 is deformed outward by press working so as to expand its diameter. Reinforcing members 23 and 24 are fixed. Therefore, the surface of the shelf 22 constituting the shelf 7 is a smooth surface without any protrusions, and since the shelf 22 is plated, the shelf 22 is placed on the shelf 22 in order to transfer the article A. Even if is slid, the paint does not peel off as in the case of the paint treatment.

[Other Embodiments] (1) In the above embodiment, the shelf 22 and the reinforcing members 23,
Although the example in which 24 and 24 are formed of different members has been described, the shelf member and the reinforcing member may be formed of the same member. FIG. 8 shows an example of this. At both ends in the width direction of the shelf 22, a part of the shelf 22 is integrally bent along the longitudinal direction to form an L-shaped reinforcing fold. A projecting portion 25 provided on the shelf 22 is formed in a state in which the bent portion 27 is formed, and the flange 27a of the reinforcing bent portion 27 is in contact with the back surface of the shelf 22.
And the through-hole 26 provided in the flange 27a in the above-described manner. In this case, the reinforcing bent portion 2
7 acts as the outer reinforcement in the previous embodiment.

(2) When the shelf 22 and the reinforcing members 23 and 24 are formed of different members, the reinforcing members 23 and 24 are not necessarily made of metal, but may be made of various materials such as synthetic resin. Can also be configured.

(3) In the above embodiment, an example was shown in which the shelf plate 22 was used as an article storage shelf for an automatic warehouse. However, the present invention is not particularly limited to an automatic warehouse, and various storage shelves other than the automatic warehouse are used. Is also applicable.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an automatic warehouse.

FIG. 2 is a perspective view of an article storage shelf.

FIG. 3 is a perspective view showing a connection structure between a column and a beam.

FIG. 4 is a cross-sectional view showing a connection structure between a column and a beam.

FIG. 5 is an exploded perspective view showing a shelf board.

FIG. 6 is a cross-sectional view of a shelf board.

FIG. 7 is a cross-sectional view illustrating a connection structure between a shelf board member and a reinforcing member.

FIG. 8 is a cross-sectional view of a main part showing another embodiment.

[Explanation of symbols]

 7 Shelf 22 Shelf 22a Curved 23 Medium reinforcement 24, 27 External reinforcement 23a, 24a, 27a Contact 23b, 24b Swelling 25 Projection 26 Through hole

Claims (6)

[Claims] 1. A shelf comprising a metal plate shelf and a reinforcing member fixed to a back surface of the shelf to reinforce the shelf, wherein the reinforcing member is provided with a through hole, The tip end is opened, and a cylindrical protrusion protruding toward the reinforcing material side is provided integrally with the shelf material, and the cylindrical protrusion provided on the shelf material is provided in a through hole provided in the reinforcing material. Insert through and bend the tip of the protruding part projecting from the through hole into an open diameter state,
A shelf in which a reinforcing material is fixed to a back surface of the shelf. 2. The method according to claim 1, wherein the shape of the shelf is rectangular, and a plurality of the reinforcing members are provided along a side of the rectangular shelf.
The shelf according to claim 1, wherein the shelf is fixed to the shelf in a state of being substantially parallel to each other. 3. The reinforcing member is formed of a plate-like member,
A contact portion that contacts the back surface of the shelf material along the side of the shelf material, and a bulging portion that bulges away from the back surface of the shelf material in a state continuous with the contact portion; 3. The shelf according to claim 2, wherein a plurality of said through holes are provided in a contact portion. 4. The reinforcing member has two types, a middle reinforcing member having the contact portion on both sides of the bulging portion, and an outer reinforcing member having the contact portion on only one side of the bulging portion. The shelf according to claim 3, wherein the outer reinforcement is fixed to an end of a side of the rectangular shelf board material, and the middle reinforcement is fixed to an intermediate portion between the ends of the side. Board. 5. An end of a side of the shelf board member on a side to which the outer reinforcing member is fixed is bent toward the outer reinforcing member to form a hollow curved portion, and the outer reinforcing member is in contact with the outer reinforcing member. The shelf according to claim 4, wherein the bulge portion of the outer reinforcing material is located inside the hollow curved portion with the portion facing the inside of the shelf material. 6. The shelf according to claim 1, wherein said reinforcing member is made of a metal plate.