JP2003155091A - Packaging tray for conveying component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging tray for conveying components which can house components having fragile parts and can carry them without damage. SOLUTION: The packaging tray 1 for conveying components has at least one component storage recess 2 wherein the trays can be piled in multiple stages with a component 3 received in the recess. The component storage recess has a gradient surface, and the component is supported by a linear contact region where a periphery of one of surfaces of the component and the gradient surface are in linear contact.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging tray for transporting components, which is suitable for accommodating and transporting electronic components such as liquid crystal display devices for mobile phones and portable game machines, and components for optical devices. Regarding

[0002]

2. Description of the Related Art Conventionally, as a tray for accommodating electronic parts and the like, for example, Japanese Patent Laid-Open No. 11-330779 discloses a tray which is used when parts are automatically mounted on a body to be mounted. There is disclosed a tray for automatic component mounting, which has a structure in which positioning is performed by only one part and all other parts are floated inside.

Further, Japanese Patent Laid-Open No. 11-198938 has a display element accommodating concave portion for accommodating at least one display element and has an outer shape formed into a lid shape.
A packaging tray capable of being stacked in multiple stages with the display element placed in the recess, and a stacking position with at least one of upper and lower packaging trays when stacking a plurality of packaging trays around the recess. Disclosed is a packaging tray characterized in that a position defining portion for fixedly defining is provided.

[0004]

However, the conventional tray described above has the following problems.
The tray for component automatic mounting disclosed in Japanese Patent Laid-Open No. 11-330779 has a structure in which component receiving portions for holding the corners of the component are provided and positioning is performed only at the four corners of the component. When storing a component having a easily damaged portion, it is necessary to design so that the easily damaged portion does not come into contact with the component receiving portion. However, the display area of liquid crystal parts has become larger year by year, and most of the body of the part has become the display area, and when it is stored in the tray, the area that can contact the tray is becoming very small. It becomes difficult to fabricate a component receiving portion for accommodating a component having a small contactable portion.

Further, the packaging tray disclosed in Japanese Patent Laid-Open No. 11-198938 has a position defining portion to fix the stacking position of the stacked packaging trays, thereby preventing the positional deviation and reducing the pressure from above. Although it is configured,
Since the liquid crystal component is received in the surface contact state, the liquid crystal display face is not protected decisively, and the problem that the component receiving face and the display portion of the liquid crystal component are in contact with each other and the surface is damaged cannot be solved.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a packaging tray for transporting a component, which can store and transport a component having a easily damaged portion without damaging it.

[0007]

In order to achieve the above-mentioned object, the present invention has at least one component accommodating recess and is capable of being stacked in multiple stages with the component accommodated in the component accommodating recess. A transport packaging tray, wherein the component storage recess has an inclined surface, and the component is supported by a line contact portion in which a peripheral edge of the one surface side of the component and the inclined surface are in line contact with each other. Provide a packaging tray for transportation. In the packaging tray for transporting components according to the present invention, the component storage recess is provided with a plurality of line contact portions where the peripheral edge of the one surface side of the component and the inclined surface are in line contact, and non-contact portions other than the line contact portions. ,
The plurality of line contact portions may support the above component. Further, the angle β formed by the inclined surface and the horizontal line reaching the line contact portion is preferably in the range of 5.7 ° to 60 °, and more preferably 20 ° to 50 °.
Further, it is preferable that an angle α formed by a portion of the inclined surface above the line contact portion and a vertical line reaching the line contact portion is in a range of 2 ° to 20 °, and 5 ° to 10 °. Is more preferable. Further, it is desirable that the tray is made of polyester resin. In addition, around the above-mentioned component storage concave portion, there is provided an interval regulating portion having a concave portion and a convex portion that come into contact with each other when it is overlapped with another component conveying packaging tray, and the interval regulating portion is for conveying one component. The stacking height is different when the other component transport packaging tray is stacked in the forward direction on the packaging tray and when the other component transport packaging tray is stacked in a direction different from the forward direction. can do.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a packaging tray for carrying parts according to the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of a packaging tray for transporting parts (hereinafter abbreviated as a tray) of the present invention. FIG. 1 is a plan view of the tray, and FIG. 2A is a side surface of the tray. Figure, (b)
1 is a sectional view taken along the line AA in FIG. 1, (c) is a sectional view taken along the line BB in FIG. 1, (a) is a front view of the tray, and (b) is FIG.
2 is a sectional view taken along line CC of FIG. 1, and FIG. 3C is a sectional view taken along line DD of FIG.

This tray 1 has a large number of component accommodating recesses 2 provided in a vertical and horizontal direction on a thin plate made of synthetic resin, and a space regulating portion 4 having a recess 6 and a protrusion 7 between each of the component accommodating recesses 2. It is provided and roughly configured. The component storage recess 2 stores electronic components such as liquid crystal display elements for mobile phones and portable game machines, and components 3 such as optical device components. In this example, in order to store the components 3 having a rectangular shape in a plan view in the vertical and horizontal directions, the component storage recess 2 is formed in a rectangular shape in a plan view in accordance with the components 3, and the entire tray 1 is Although it is formed in a substantially rectangular shape, the shape of the tray 1 and the shape of the component accommodating recess 2 can be appropriately changed to other shapes.

The synthetic resin material constituting the tray 1 is not particularly limited, but is, for example, a polyester resin foam or non-foam, a polystyrene resin foam or non-foam, a polypropylene resin foam or A non-foamed material, a polyethylene-based resin foamed material, or a non-foamed material can be used. Among these, a polyester resin, more preferably a polyethylene terephthalate resin, is preferable because it does not generate powder and is difficult to crack, and a polyester resin foam is preferable because it has a buffering property and is hard to crack. Further, the polyester resin is also advantageous in that the recovered product can be reused (recycled).
When using polyester resin foam, the expansion ratio is 3
It is preferably about 10 to 10. The synthetic resin of the tray 1 includes various additives used for general resin molded products, such as plasticizers, colorants such as pigments and dyes, fillers, lubricants,
Antioxidants, ultraviolet absorbers, antistatic agents and the like can be added.

The component accommodating concave portion 2 is composed of a bottom plate portion and an inclined portion 5 whose diameter increases upward from the peripheral edge thereof. When the component 3 is stored, the component storage recess 2 supports the component 3 at a line contact portion 8 in which the peripheral edge of one side of the component 3 and the inclined surface 5 make line contact. The component accommodating recess 2 is configured such that the peripheral edge of the lower surface of the component 3 is in line contact with the entire circumference, and a plurality of line contact is provided in the component accommodating recess 2 so as to contact and support the component at least at four corners. It is also possible to form the portion 8 and the non-contact portion therebetween. By supporting the component 3 by the plurality of line contact portions 8 as in the latter case, the portion that is easily damaged by the contact with the tray 1 can be configured to be located in the non-contact portion, and the damage prevention effect of the component 3 is enhanced. be able to.

The interval restricting portions 4 are formed between the long sides of the adjacent component housing recesses 2 and between the short sides thereof. The interval restricting portion 4 formed between the long sides of the adjacent component accommodating concave portions 2 is formed of a convex portion 7 formed slightly off the center of the long side and concave portions 6 on both sides thereof. In addition, the interval restricting portion 4 formed between the short sides of the adjacent component accommodating concave portions 2 is formed by a convex portion 7 formed slightly off the center of the short side and concave portions 6 on both sides thereof. These component storage units 2 keep an appropriate interval so that the components 3 stored in each tray 1 do not come into contact with the bottom surface of the upper tray 1 when a plurality of trays 1 are stacked, and the positions of the stacked trays 1 are different from each other. This is for stacking the upper and lower trays 1 so as to prevent displacement. Furthermore, this interval regulation unit 4
Has a function of changing the space between the trays 1 in the forward and reverse directions, and the space changing function will be described later.

FIGS. 4 and 5 are views showing a state in which the component 3 is accommodated in the component accommodating recess 2 of the tray 1. Figure 4
As shown in FIG. 3, when the component 3 is stored in the component storage recess 2, the lower surface side edge (corner) of the component 3 has the component storage recess 2
Line contact with the inclined surface 5 of the
Is accommodated in a state in which the tray 1 is supported on the surface other than the line contact portion 8 without coming into contact with the surface. For example, as illustrated in FIG. 4, when the component 3 in which the polarizing plate or the like of the display portion which is easily damaged is exposed on one surface side, the display portion 3
The component 3 can be accommodated in the component accommodating recess 2 with the side facing downward, and if the component 3 is accommodated in this manner, the display portion is the tray 1
Do not come into contact with the
Adhesion can also be avoided. In order to realize such a stored state, it is desirable to appropriately set the inclination angle of the inclined surface 5. Next, setting of the inclination angle of the inclined surface 5 will be described with reference to FIG.

In the tray 1 according to the present invention, the inclined surface 5
And the horizontal line 10 reaching the line contact portion 8 form an angle β of 5.
It is preferably in the range of 7 ° to 60 °, and 20 ° to 5
It is more preferably 0 °. This angle β is 5.7
If the angle is less than 0, the display portion of the component 3 may come into contact with the inclined surface 5, while if the angle β exceeds 60 °, the component 3 to be housed may become unstable and may be displaced.
The lower limit of the angle β is obtained in consideration of the thickness t of the component 3 and the allowance interval, and the lower limit value of the angle β can be changed according to the thickness t of the component 3 and the allowance interval. This margin interval can be set as an interval such that the inclined surface 5 does not contact the lower surface (display portion) of the component 3 even when the tray 1 is bent. For example, the thickness of the display portion on the lower surface of the component 3 is t
(Normally about 0.1 mm), the margin interval is 0.1 mm, and the length from the display portion on the lower surface of the component 3 to the upper end of the inclined surface 5 is L (normally about 0.5 to 2 mm). ,
tan β = (t + 0.1) /L=0.2/ (0.5-
2) = 0.1-0.4, and therefore the angle β in this case
The lower limit of is in the range of 5.7 ° to 21.8 °.

Further, in the tray 1 according to the present invention, the portion 9 of the inclined surface 5 above the line contact portion 8 and the line contact portion 8
The angle α formed by the vertical line 11 up to is preferably in the range of 2 ° to 20 °, more preferably 5 ° to 10 °. If the angle α is less than 2 °, the tray may not come off from the mold during tray molding, and the manufacturing efficiency may deteriorate. Moreover, if the angle α exceeds 20 °, the packaging efficiency is deteriorated.

In this tray 1, a plurality of trays 1A and 1B are stacked as shown in FIG.
Used for storage etc. Figure 6 shows two trays 1A and 1B
These trays 1 are shown when they are stacked.
Further trays can be stacked above and below A and 1B. As shown in FIG. 6, when a plurality of trays 1A and 1B are stacked, a large number of interval regulating portions 4 formed on the trays 1A and 1B are used as components 3 accommodated in the lower tray 1A.
And the bottoms of the upper trays 1B are kept in contact with each other so as not to come into contact with each other, and the trays 1A and 1B which are stacked are engaged with each other so as to prevent positional deviation. Furthermore, this interval regulation unit 4
Also has a function of changing the direction of the upper tray 1B when the upper tray 1B is stacked on the lower tray 1A so as to change the interval between the trays 1A and 1B.

FIGS. 7 and 8 are views for explaining the function of changing the distance between the trays by changing the stacking direction of the distance regulating portion 4. FIG. 7 shows one tray 1A on the other tray. 1B shows the engagement state of the space regulating portion 4 when stacking 1B in the positive direction, (a) and (b) are vertical and horizontal cross-sectional views of the space regulating portion 4 in the normal stacking state, and (c) is stacking. It is a side view of the tray 1A, 1B. See also FIG.
Shows the engagement state of the space regulation portion 4 when the other tray 1B is stacked on the one tray 1A in the direction opposite to the forward direction (the direction in which the tray 1B is rotated by 180 ° around the circumference).
(A) and (b) are vertical and horizontal cross-sectional views of the space regulation portion 4 in a reverse stacking state, (c) is a stacked tray 1
It is a side view of A and 1B.

As described above, the interval regulating portion 4 formed between the long sides of the component accommodating concave portion 2 is formed of the convex portion 7 formed slightly off the center of the long side and the concave portions 6 on both sides thereof. The space regulating portion 4 formed between the short sides of the component housing concave portion 2 has a convex portion 7 formed slightly off the center of the short side.
And concave portions 6 on both sides thereof. Figure 7 (a)
In the normal stacking state shown in (c) to (c), the positions of the concave portion 6 and the convex portion 7 of the space regulating portions 4 of the lower tray 1A and the upper tray 1B are the same, so that the upper tray 1B side The concave portion 6 and the convex portion 7 overlap the concave portion 6 and the convex portion 7 on the side of the lower tray 1A, so that the space between the lower tray 1A and the upper tray 1B is narrow, that is, each tray 1
A and 1B overlap in a relatively close state.

On the other hand, in the reverse stacking state shown in FIGS. 8A to 8C, the positions of the convex portion 7 on the lower tray 1A side and the convex portion 7 on the upper tray 1B side are slightly different. However, the engaging portion formed between the convex portion 7 on the tray 1A side and the concave portion 6 on the upper tray 1B side does not overlap. This allows the lower tray 1
A and the upper tray 1B are overlapped with each other in a state that the distance between the trays 1A and 1B is wider than that in the normal stacking state shown in FIG. 7, that is, the trays 1A and 1B are relatively separated from each other.

Thus, the tray 1 according to the present embodiment
When stacking a plurality of sheets, the trays 1A and 1B can be made to have different intervals by stacking in different orientations. Therefore, for example, when storing parts 3 having different thicknesses, the thickness of the parts 3 can be changed. It can be stacked by changing the direction according to the convenience. When the trays have other shapes, the number of tray spacing adjustment stages can be increased by changing the stacking direction. For example, in the case of a regular triangle tray, the adjustment can be performed every 120 °, and therefore the adjustment can be performed in three stages, and in the case of a square, the adjustment can be performed every 90 °, so that the adjustment can be performed in four stages.

[0021]

As described above, the packaging tray for carrying parts according to the present invention has the part accommodating concave portion for supporting the parts by the line contact portion, and therefore, even if the part has a portion which is easily damaged. It can be stored and transported without damage. Also, when stacking multiple sheets, by providing a space regulation part that can make the space between trays different in the normal direction and the different direction, stacking can be done by changing the direction according to the thickness of the parts. It is possible and convenient.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of a packaging tray for carrying parts according to the present invention.

2 shows the same tray, (a) is a side view of the tray, (b) is a sectional view taken along the line AA in FIG. 1, and (c) is a sectional view taken along the line BB in FIG.

3A and 3B show the same tray, FIG. 3A is a front view of the tray, FIG. 3B is a sectional view taken along the line CC of FIG. 1, and FIG.
It is a -D line sectional view.

FIG. 4 is a cross-sectional view of essential parts showing a state where the same tray accommodates components.

5 is a schematic enlarged view of a main part of FIG.

FIG. 6 is a cross-sectional view showing a state in which a plurality of trays are stacked.

FIG. 7 shows the engagement state of the space regulating portions when one tray is stacked on the other tray in the normal direction, and (a) and (b) are the vertical and vertical directions of the space regulating portions in the normal stacking state. A transverse sectional view, (c) is a side view of the stacked trays.

FIG. 8 shows an engaged state of the space regulation portion when the other tray is stacked on the one tray in the direction opposite to the normal direction,
(A) And (b) is a vertical and horizontal sectional view of the space | interval control part in a reverse stacking state, (c) is a side view of the stacked tray.

[Explanation of symbols]

1, 1A, 1B tray (packaging tray for parts transportation) 2 Parts storage recess 3 parts 4 interval control section 5 inclined surface 6 recess 7 convex 8 wire contact part 9 Upper part 10 Horizontal line to the contact area 11 Vertical line reaching the line contact part

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 3E006 AA01 BA01 CA01 DA03 DB05                 3E067 AA24 AB41 AC04 AC12 BA10A                       BB14A BC02A EC08 ED07                       FC03                 3E096 AA09 BA20 BB05 CA06 CB02                       DA04 DB07 DC01 EA02X                       EA03X FA10 FA28 GA03

Claims (6)

[Claims] 1. At least one component storage recess,
A component transport packaging tray capable of being stacked in multiple stages in a state where components are stored in the component storage recess, wherein the component storage recess has an inclined surface, and a peripheral edge on one surface side of the component and the inclined surface. A packaging tray for transporting parts, characterized in that the parts support the above parts at the line contact parts which come into line contact with each other. 2. The component storage recess is provided with a plurality of line contact portions where the peripheral edge of the one surface side of the component and the inclined surface are in line contact and a non-contact portion other than the line contact portions, and the plurality of lines. The packaging tray for transporting a component according to claim 1, wherein the contact portion supports the component. 3. The packaging tray for transporting parts according to claim 1 or 2, wherein an angle β formed by the inclined surface and a horizontal line reaching the line contact portion is in a range of 5.7 ° to 60 °. 4. An angle α formed by a portion of the inclined surface above the line contact portion and a vertical line reaching the line contact portion is 2 ° to
The packaging tray for transporting parts according to any one of claims 1 to 3, wherein the packaging tray is in the range of 20 °. 5. The method according to claim 1, which is formed of a polyester resin.
The packaging tray for transporting parts according to any one of items 1 to 4. 6. A space regulating portion having a concave portion and a convex portion that come into contact with another packaging tray for transporting a component is provided around the component accommodating concave portion, and the space regulating portion is provided on one side. The stacking height is different when the other component transport packaging tray is superposed on the component transport packaging tray in the forward direction and when the other component transport packaging tray is stacked in the direction different from the forward direction. The component-carrying packaging tray according to any one of claims 1 to 5, which is configured as described above.