JP2021147088A - tray - Google Patents

Abstract

To increase the anti-rust effect when using a vaporized anti-rust bag containing a vaporized anti-rust material.SOLUTION: A tray 10 is provided with a positioning butt 26, which protrudes inside a workpiece receiving recess 20 and positions a workpiece 100 so that a space 20K is created between the tray 10 and an inner surface 28 of the workpiece receiving recess 20. The tray is also provided with a bottom opening 29A on a bottom surface 12 of the tray 10 below the positioning butt 26 in a bottom wall 21 of the workpiece receiving recess 20. A bottom connecting hole 29 is formed to connect a lower region of the tray 10 and the space 20K between the inner surface 28 of the workpiece receiving recess 20 and the workpiece 100.SELECTED DRAWING: Figure 6

Description

This disclosure relates to trays.

Conventionally, as a tray of this type, a tray having a plurality of work receiving recesses for receiving a work is known (see, for example, Patent Document 1).

Japanese Patent No. 6044635 (see FIG. 1)

This type of tray is sometimes used in a vaporizable rust preventive bag containing a vaporizable rust preventive material, and at that time, it is required to enhance the rust preventive effect.

The invention of claim 1 made in order to achieve the above object is a foamed resin tray provided with a plurality of work receiving recesses for receiving a work, and the work is projected inward from the inner side surface of the work receiving recesses. A positioning protrusion for positioning a space between the inner surface of the work receiving recess and the inner surface of the work receiving recess, and a bottom opening on the lower surface of the tray and communicating with the space between the inner surface of the work receiving recess and the work. A tray provided with a communication hole.

According to the second aspect of the present invention, the vertical length of the positioning protrusion is smaller than the vertical length of the inner surface of the work receiving recess, and the space between the inner surface of the work receiving recess and the work is defined as. The tray according to claim 1, which is continuous over the entire circumference of the work.

The invention of claim 3 is the tray according to claim 1 or 2, wherein the positioning protrusion and the bottom communication hole are arranged one above the other.

According to the fourth aspect of the present invention, the plurality of work receiving recesses are arranged in a matrix or staggered pattern, and a drug accommodating recess for accommodating a drug for preventing rust of the work is contained in a portion surrounded by the work receiving recesses. The tray according to any one of claims 1 to 3, wherein a ventilation portion is formed which opens on the inner side surface of the drug accommodating recess and exposes the outer surface of the drug.

The invention of claim 5 is any one of claims 1 to 4, further comprising a recessed communication passage that communicates the space between the inner side surface of the work receiving recess and the work in the adjacent work receiving recess. It is a tray described in.

The invention of claim 6 is the tray according to claim 5, wherein the bottom communication hole and the recess communication passage are arranged at positions shifted in the circumferential direction of the inner surface of the work receiving recess.

In the tray of claim 1, since the work is positioned so as to create a space between the work and the inner surface of the work receiving recess, it is vaporized when placed in a vaporizable rust preventive bag containing a vaporizable rust preventive material. The rust material also touches the outer surface of the work, which enhances the rust prevention effect. Moreover, since the vaporizable rust preventive material vaporized through the bottom communication hole also reaches the space between the inner surface of the work receiving recess and the work from the lower surface side of the tray, the rust preventive effect is further enhanced.

In the tray of claim 2, since the space between the inner surface of the work receiving recess and the work is continuous over the entire circumference of the work, the rust preventive effect is further enhanced.

In the tray of claim 3, since the positioning protrusion and the bottom communication hole are arranged vertically, the air flow including the vaporizable rust preventive material that has passed through the bottom communication hole spreads laterally by the positioning protrusion to prevent it. The rust material can be spread evenly.

In the tray of claim 4, since the chemical for rust prevention of the work is arranged in the portion surrounded by the work receiving recess, the rust prevention effect is further enhanced. Moreover, the outer surface of the chemical is exposed by the ventilation portion, and the chemical is easily vaporized, so that the rust preventive effect is further enhanced.

In the tray of claim 5, since the space between the inner surface of the work receiving recess and the work is communicated with each other by the recessed passage, the vaporized vaporizable rust preventive material can be easily distributed throughout.

In the tray of claim 6, since the bottom communication hole and the recessed communication passage are arranged at positions shifted in the circumferential direction of the inner surface of the work receiving recess, the vaporized vaporizable rust preventive material can be easily distributed throughout.

Perspective view of the state in which the work of the tray of the present disclosure is housed. Tray perspective view Cross section of the tray Cross-sectional view of the tray in which the work is housed Top view of the tray Cross-sectional view of trays in which the workpieces are housed and stacked Enlarged cross-sectional view of trays in which the workpieces are housed and stacked Cross-sectional view of trays in which the workpieces are housed and stacked Bottom side perspective view of the tray Cross-sectional view of trays in a stacked state Enlarged cross section of trays in a stacked state

Hereinafter, the tray 10 of the present disclosure will be described with reference to FIGS. 1 to 11. The tray 10 shown in FIG. 1 is a work receiver that can be fitted by placing a cylindrical work 100 having metal on at least a part of its outer surface on a plate-shaped member made of foamed resin having a square shape in a plan view from above. A plurality of recesses 20 are formed. The four corners of the tray 10 are notched over the entire vertical direction, and can be placed and transported on a container-pallet (not shown) having columns at the four corners. Further, the outer surface of the tray 10 is inclined so that the cross section becomes smaller toward the bottom (see FIG. 6).

As shown in FIGS. 2 and 3, the work receiving recess 20 has a substantially circular shape in a plan view, and is recessed from the upper surface 11 to the lower surface 12 of the tray 10. The bottom wall 21 forming the bottom of the work receiving recess 20 is formed with an annular protrusion 22 that forms an annular shape and projects upward at a position near the outer edge. As shown in FIG. 4, the annulus protrusion 22 supports the central portion of the annulus width of the bottom surface of the annulus of the work 100 (the central portion between the inner edge and the outer edge of the annulus), and the annulus of the work 100. The inner edge portion and the outer edge portion of the bottom surface are maintained in a state of floating from the bottom surface (upper surface of the bottom wall 21). Further, the upper surface of the bottom wall 21 inside the annular protrusion 22 is located below the outer portion of the annular protrusion 22, and a through hole 23 is formed in the center thereof.

As shown in FIG. 5, the work receiving recesses 20 are arranged in a matrix of four vertically and horizontally, and the adjacent work receiving recesses 20 are separated by a partition wall 25. Assuming that the portion of the tray 10 surrounded by the work receiving recesses 20 is the column component 30, the column component 30 extends from the lower surface 12 to the upper surface 11 of the tray 10 (see FIG. 3) and has four partition walls. The 25 projects laterally from the column component 30 and is outside the column components 30 or the outer wall 13 of the column component 30 and the tray 10 (outside the work receiving recess 20 of the tray 10 along the outer edge). (Part of) and is in contact (see Fig. 2).

As shown in FIG. 2, each pillar component 30 is formed with one drug storage recess 35 recessed from the upper surface. The planar shape of the drug storage recess 35 is a shape in which the corners of the square with each side extending by 45 degrees with respect to the vertical and horizontal directions of the tray 10 are slightly expanded, and the depth thereof is 1 of the height of the tray 10. It is about / 2 to 2/3 (see FIG. 3). In order to prevent the work 100 from rusting, a chemical 110 such as a cube-shaped rust preventive or a desiccant is accommodated in the chemical storage recess 35 (see FIG. 4). As shown in FIGS. 6 and 7, the inner surface of the drug containing recess 35 is inclined so that the opening becomes larger from the lower end to the upper end. As a result, the outer surface of the drug 110 comes into contact with air and is easily vaporized, and the humidity control function is enhanced.

Further, as shown in FIG. 2, the pillar constituent portion 30 is opened to the upper surface and extends 45 degrees diagonally from the central portion of the side surface of the planar shape of the drug storage recess 35 with respect to the vertical and horizontal directions of the tray 10 (described later). (Arranged in the positioning protrusion 26), a ventilation groove 36 (corresponding to the "vention portion" in the claims) opened on the outer surface of the column component 30 (the tip portion of the positioning protrusion 26 described later) is formed. Has been done. The ventilation groove 36 exposes a part of the side surface of the drug 110 housed in the drug storage recess 35, which makes it easier for the drug 110 to vaporize and enhances the humidity control function.

By the way, as shown in FIG. 2, in the tray 10 of the present embodiment, in the work receiving recess 20 (the inner four work receiving recesses 20) surrounded by the column constituent portion 30 and the partition wall 25, the work receiving recess 20 Of the inner side surfaces 28 of 20, the first inner side surface 28A formed of the side surfaces of the column constituent portion 30 is in the inner / outer direction of the work receiving recess 20 than the second inner side surface 28B formed of the side surfaces of the partition wall 25. It is located on the outside. Similarly, in the work receiving recess 20 (work receiving recess 20 arranged along the outer edge) surrounded by the column component 30, the partition wall 25, and the outer wall 13, the first inner side surface 28A and the first inner side surface are also formed. The inner side surface 28 of the work receiving recess 20 is formed by alternately arranging the second inner side surface 28B located inside the work receiving recess 20 in the inner / outer direction from 28A. As shown in the figure, the second inner side surface 28B is arranged in the vertical and horizontal directions of the tray 10, and the first inner side surface 28A is arranged in a direction deviated by 45 degrees with respect to the vertical and horizontal directions of the tray 10.

Then, at the upper end of the column constituent portion 30 and the outer wall 13 where the first inner side surface 28A is arranged, the work receiving recess 20 protrudes inside, and the outside of the work 100 is inside the second inner side surface 28B. A positioning protrusion 26 that comes into contact with the side surface to position the work 100 is provided. That is, as shown in FIGS. 1 and 4, when the work 100 is housed in the work receiving recess 20, it is fitted between the four positioning protrusions 26, and a space is provided between the work receiving recess 20 and the inner surface 28 of the work receiving recess 20. Positioned to produce 20K. As described above, since the positioning protrusion 26 is arranged at the upper end of the column constituent portion 30, in the lower region thereof, the space 20K between the inner side surface 28 of the work receiving recess 20 and the work 100 is around the work 100. It is continuous over the entire circumference. The tip surface of the positioning protrusion 26 is curved so as to correspond to the outer surface of the work 100.

Further, as shown in FIG. 3, the partition wall 25 extends downward from the upper end surface over the entire width direction of the partition wall 25 (the direction in which the work receiving recesses 20 partitioned by the partition wall 25 face each other). A depressed recessed portion 25K (corresponding to a "recessed passage" in the claims) is formed, and the space 20K between the inner surface of the work receiving recess 20 and the work 100 in the adjacent work receiving recess 20 is formed. It is communicated (see FIG. 8).

Here, in the tray 10 of the present embodiment, as shown in FIGS. 3 and 9, a lower surface opening 29A is provided on the lower surface 12 of the tray 10 below the positioning protrusion 26 of the bottom wall 21 of the work receiving recess 20. A bottom communication hole 29 is formed which has a lower region of the tray 10 and a space 20K between the inner side surface 28 of the work receiving recess 20 and the work 100. The lower surface opening 29A of the bottom communication hole 29 has a band shape curved so as to draw an arc along the inner surface 28, and the outer inner surface of the bottom communication hole 29 extends flush with the first inner surface 28A. On the other hand, the inner inner surface of the bottom communication hole 29 is located below the tip surface of the positioning protrusion 26 (see FIG. 7). That is, the planar shape of the positioning protrusion 26 inside the first inner side surface 28A and the lower surface opening 29A of the bottom communication hole 29 are substantially overlapped in the vertical direction, whereby in FIGS. 10 and 11. As shown, when the trays 10 are stacked, the ventilation groove 36 of the lower tray 10 and the lower surface opening 29A of the upper tray 10 overlap each other vertically. Further, as shown in FIGS. 2 and 3, the bottom communication hole 29 is arranged so that the outer inner side surface extends flush with the first inner side surface 28A, and the recessed portion 25K constitutes the second inner side surface 28B. Since it is arranged on the partition wall 25, the recessed portion 25K and the bottom communication hole 29 are arranged at positions shifted in the circumferential direction of the inner side surface 28 of the work receiving recess 20.

This is the configuration of the tray 10 of the present embodiment. Next, the action and effect of the tray 10 will be described. The tray 10 of this embodiment is used as follows. That is, as shown in FIG. 6, the work 100 is housed in the work receiving recess 20 of the tray 10, and the chemical storage recess 35 is filled with, for example, a vaporizable rust preventive or a desiccant (rust by drying the work 100). In a state of accommodating the chemical 110, which is (preventing Be done. In the example shown in FIG. 6, the height of the work 100 is higher than the height of the work receiving recess 20, and the upper surface of the work 100 housed in the lower tray 10 is the lower surface of the upper tray 10. I support it.

In the tray 10 of the present embodiment, the work 100 is positioned by the positioning protrusion 26 so as to create a space 20K between the work 100 and the inner side surface 28 of the work receiving recess 20, and therefore, when placed in the vaporizable rust preventive bag 120, it vaporizes. The vaporized rust preventive material also touches the outer surface of the work 100 through the space 20K, and the rust preventive effect is enhanced. Further, since the vaporizable rust preventive material that has passed through the bottom communication hole 29 and vaporized from the lower surface side of the tray 10 reaches the space 20K, the rust preventive effect is further enhanced.

At this time, even when the trays 10 are stacked in a state where the work 100 is housed, the vaporized vaporizable rust preventive material that has passed through the space 20K of the lower tray 10 is the bottom communication hole of the upper tray 10. The vaporized rust preventive material that has passed through the space 20K of the upper tray 10 reaches the space 20K of the upper tray 10 through 29, and conversely, the vaporized rust preventive material that has passed through the space 20K of the upper tray 10 passes through the bottom communication hole 29 of the upper tray 10. Since it passes through and reaches the space 20K of the tray 10 on the lower stage side, the vaporizable rust preventive material can be distributed to the entire work 100 in the vaporizable rust preventive bag 120 even if the trays 10 are stacked in a plurality of stages. Further, since the through hole 23 is formed in the center of the bottom wall 21 of the work receiving recess 20, the vaporized rust preventive material can be spread even inside the cylindrical work 100.

Further, a positioning protrusion 26 for positioning the work 100 in the work receiving recess 20 is arranged only at the upper end of the work receiving recess 20, and the space 20K between the inner side surface 28 of the work receiving recess 20 and the work 100 is the work 100. Since it is continuous all around the circumference, the rust prevention effect is further enhanced. Moreover, since the positioning protrusion 26 and the bottom communication hole 29 are arranged one above the other, the flow of air including the vaporizable rust preventive material that has passed through the bottom communication hole 29 from the lower surface side of the tray 10 is sided by the positioning protrusion 26. The vaporized rust preventive material can be spread evenly in the space 20K.

Further, in the tray 10 of the present embodiment, the drug storage recess 35 is formed in the pillar component 30 surrounded by the work receiving recess 20, so that the drug 110 such as a rust preventive or a desiccant can be stored. The rust prevention effect is further enhanced. Moreover, the outer surface of the chemical 110 is exposed by the ventilation groove 36, the chemical 110 is easily vaporized, and the humidity control function is enhanced, so that the rust preventive effect is further enhanced. Further, the chemical vaporized from the chemical 110 (for example, a rust preventive or a desiccant) also reaches the space 20K of the tray 10 on the upper stage side through the bottom communication hole 29. As shown in FIGS. 10 and 11, the height of the work 100 is lower than the height of the work receiving recess 20, and when the trays 10 are stacked, the lower surface of the upper tray 10 is the lower tray 10. Even when abutting on the upper surface, the ventilation groove 36 and the lower surface opening 29A of the bottom communication hole 29 overlap each other on the upper and lower sides. To reach.

Further, in the tray 10, a recessed portion 25K is formed in a partition wall 25 that separates the work receiving recesses 20 from each other, and the space 20K between the inner side surface of the work receiving recesses 20 and the work 100 in the adjacent work receiving recesses 20 communicates with each other. Therefore, the vaporized vaporizable rust preventive material can be easily distributed throughout. Further, since the recessed portion 25K is arranged at a position deviated from the bottom communication hole 29 in the circumferential direction of the inner side surface 28 of the work receiving recess 20, the vaporized vaporizable rust preventive material can be more easily distributed throughout. ..

[Other Embodiments]
(1) The first inner side surface 28A and the second inner side surface 28B may extend flush with each other.

(2) In the above embodiment, the ventilation groove 36 is arranged in the positioning protrusion 26, but may be arranged in the partition wall 25 and communicate with the recessed portion 25K, for example. In this case, the drug accommodating recess 35 and the space 20K between the inner side surface 28 of the work receiving recess 20 and the work 100 communicate with each other. Further, the ventilation groove 36 may be configured to penetrate the pillar component 30 at a position below the positioning protrusion 26.

(3) In the above embodiment, the positioning protrusion 26 and the bottom communication hole 29 are arranged vertically, but the positioning protrusion 26 and the bottom communication hole 29 are arranged in the circumferential direction of the inner side surface 28 of the work receiving recess 20. It may be out of alignment. For example, the bottom communication hole 29 may be arranged so that the outer inner side surface extends flush with the second inner side surface 28B.

(4) The annular protrusion 22 may be an open ring instead of a closed ring, or may have a corrugated structure in the circumferential direction. In this case, the space 20K between the inner side surface 28 of the work receiving recess 20 and the work 100 and the space inside the work 100 communicate with each other, and the vaporizable rust preventive material easily spreads to the inside of the work 100.

(5) The positioning protrusion 26 may be formed with a through hole extending in the vertical direction, or the tip of the positioning protrusion 26 (for example, the tip of the bottom wall of the ventilation groove 36) may be cut out. .. In this case, the spaces above and below the positioning protrusion 26 communicate with each other.

(6) In the above embodiment, the work receiving recesses 20 are arranged in a matrix, but they may be arranged in a staggered pattern. In this case, the portion surrounded by the three or four work receiving recesses 20 is the column component 30.

(7) The shapes of the work 100 and the drug 110 are not limited to the above-described embodiment. Further, the shapes of the work receiving recess 20 and the drug accommodating recess 35 may be different according to their shapes.

(8) The tray 10 does not necessarily have to be put in the vaporizable rust preventive bag 120 containing the vaporizable rust preventive material, and may be covered with a bag or film not containing the vaporizable rust preventive material. Does not have to be covered. Even in this case, for example, the same effect is exhibited even in a state where only the desiccant having the ability of the vaporizable rust preventive agent is contained in the agent accommodating recess 35. Further, a vaporizable rust preventive sheet containing a vaporizable rust preventive agent may be sandwiched between the stacked trays 10 (between the work 100 of the lower tray 10 and the upper tray 10).

10 Tray 20 Work receiving recess 20K Space 25 Partition wall 25K Recessed part (recessed passage)
26 Positioning protrusion 28 Inner side surface 29 Bottom communication hole 30 Pillar component 35 Drug storage recess 36 Ventilation groove (ventilation part)
100 Work 110 Chemical 120 Vaporizable rust preventive bag

Claims (6)

A foamed resin tray having a plurality of work receiving recesses for receiving the work.
A positioning protrusion that projects inward from the inner surface of the work receiving recess and positions the work so as to create a space between the work receiving recess and the inner surface of the work receiving recess.
A tray having a bottom communication hole that opens on the lower surface of the tray and communicates with the inner surface of the work receiving recess and the space between the work. The vertical length of the positioning protrusion is smaller than the vertical length of the inner surface of the work receiving recess.
The tray according to claim 1, wherein the space between the inner surface of the work receiving recess and the work is continuous over the entire circumference of the work. The tray according to claim 1 or 2, wherein the positioning protrusion and the bottom communication hole are arranged one above the other. The plurality of work receiving recesses are arranged in a matrix or a staggered pattern.
A drug accommodating recess for accommodating a drug for rust prevention of the work is formed in a portion surrounded by the work receiving recess.
The tray according to any one of claims 1 to 3, wherein a ventilation portion is formed which opens on the inner surface of the drug accommodating recess to expose the outer surface of the drug. The tray according to claim 1, further comprising a recessed communication passage that communicates the space between the inner side surface of the work receiving recess and the work in the adjacent work receiving recess. The tray according to claim 5, wherein the bottom communication hole and the recessed communication passage are arranged at positions shifted in the circumferential direction of the inner surface of the work receiving recess.

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