JP2006278521A - Tray and its suction structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tray which can smoothly be carried in transportation or the like by being further stably held by a suction device, and its suction structure. <P>SOLUTION: The tray comprises a planar tray body 11, a plurality of protrusions 12 formed on the surface of the tray body 11 at predetermined intervals along the longitudinal direction and the lateral direction and forming a pocket 12A which can accommodate a chip, and grooves 13 formed between adjacent protrusions 12. The tray is provided to be suction-held through the suction device 20. The suction device 20 has a holding surface on which a suction portion 25 is formed. A body 16 continuous to adjacent protrusions 12 is provided at a part of the groove 13 and in a suction state, a space S in the groove 13 surrounded by the continuous body 16 and the protrusions 12 continuous thereto is formed such that it can be closed by the holding surface. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a tray and an adsorption structure thereof, and more particularly, to a tray and an adsorption structure thereof capable of stabilizing adsorption holding by an adsorption device.

  Conventionally, a tray for carrying a plurality of chips has been used, and there are types of trays shown in FIGS. 7 to 9. In the figure, a tray 50 is formed in a plate-like tray main body 51 and includes a plurality of pockets 52 for accommodating chips C therein. Each pocket 52 is formed inside a raised portion 53 protruding from the upper surface of the tray main body 51, and a groove 55 is formed between the adjacent raised portions 53. As shown in FIG. 8, a wall body 56 having a planar view shape is erected in the groove 55, and the height of the wall body 56 is set to be higher than the height of the raised portion 53 (FIG. 8). 9). Here, when transporting the tray 50, a suction device 58 as shown in FIG. 9 is used, and the holding surface 59 (lower surface in FIG. 9) of this suction device 58 is used as the upper end surface of the wall body 56. The tray 50 is sucked and held by abutting and sucking air from the hole-shaped suction part 60 formed on the holding surface 59 to make the inside of the wall 56 negative pressure.

  However, in such a configuration, since the wall body 56 is continuously formed so as to surround the plurality of raised portions 53, the weight of the wall body 56 is increased, and the entire tray 50 is also increased in weight. The suction holding posture of 50 tends to become unstable. In addition, since the wall 56 is formed at a position away from the raised portion 53, the air suction space in the interior of the wall body 56 is increased, and as a result, the suction force applied to the tray 50 is reduced and the tray 50 is stabilized. Inconvenience that it is difficult to hold the slab. As a result, the position of the tray 50 is likely to be displaced during conveyance, and it is necessary to correct or adjust the position of the tray 50, or the chip C may be damaged due to inadvertent dropping of the tray 50. Inconvenience.

[Object of invention]
The present invention has been devised by paying attention to such inconveniences, and an object of the present invention is to provide a tray that can be stably held by a suction device and that can be smoothly transported, and a suction structure thereof. There is.

In order to achieve the above object, the present invention is a tray provided so as to be capable of being suction-held on the holding surface side when air is sucked by a suction portion formed on the holding surface of a predetermined suction device,
A tray body that can be arranged along the holding surface, a plurality of ridges that have a shape protruding from the surface of the tray body and that can accommodate chips, and are formed between adjacent ridges. With a groove,
Provided in a part of the groove is a connecting body connected to an adjacent raised portion, and in the suction state, a space in the groove surrounded by the connecting body and the raised portion connected to the connecting body is provided so as to be closed by the holding surface. The configuration is adopted.

  In the present invention, it is preferable that the connection body is formed of a piece-like body that is erected from the bottom of the groove and has substantially the same height as the raised portion.

  In addition, a configuration in which the connecting body and the raised portion connected to the connecting body are provided in a central region of the tray main body in a plan view is preferably employed.

Furthermore, the tray suction structure of the present invention is a tray suction structure that holds and holds the tray via a predetermined suction device.
The suction device includes a holding surface on which a suction portion is formed, and is provided so as to suck and hold the tray on the holding surface side by sucking air from the suction portion,
The tray includes a tray main body that can be positioned along the holding surface, a plurality of ridges that have a shape protruding from the surface of the tray main body, and that form a pocket that can receive chips, and adjacent ridges. And a groove formed therebetween,
A part of the groove is provided with a connecting body connected to an adjacent raised portion, and in the adsorption state, a space in the groove surrounded by the connecting body and the raised portion connected to the connecting body is closed by the holding surface. The configuration is adopted.

  According to the present invention, a suction region that receives suction force by sucking air by the suction portion while being blocked by the holding surface is formed by the connecting body and the protruding portion connected thereto. That is, since the suction area is formed by using the raised portion, the formation area of the connection body can be reduced as compared with the wall body of the conventional structure, thereby stably holding the suction and holding through the weight reduction of the entire tray. Is possible. In addition, since it is only necessary to provide a connecting body between adjacent raised portions, the degree of freedom of the formation position of the suction region is increased, and the suction region is easily set to a size or shape that exhibits an appropriate suction force. Is possible. Thereby, the positional deviation during the conveyance of the tray is suppressed, and the conveyance can be performed quickly and smoothly.

  Moreover, since each connection body consists of a piece-like body which becomes substantially the same height as the raised portion, it is possible to form the connection body as lightly as possible.

  Furthermore, since each connecting body and a raised portion connected to the connecting body are provided in the central area of the tray body, the tray can be stably held on the holding surface of the suction device even when only one central area is sucked. Can be made.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 shows a plan view of a tray according to the embodiment, and FIG. 2 shows a partially enlarged view thereof. In these drawings, the tray 10 is constituted by an integrally molded product using a resin material, and is provided so that a plurality of chips C (see FIG. 3) can be stored simultaneously. The tray 10 has a plate-like tray main body 11 having a substantially rectangular shape in plan view, and a shape protruding from the surface of the tray main body 11, and a plurality of trays 10 are provided at predetermined intervals along the vertical and horizontal directions in FIG. And the grooves 13 formed in a substantially lattice shape between the adjacent raised portions 12.

  As shown in FIG. 3, the tray 10 is provided so as to be sucked and held by a suction device 20. The suction device 20 includes a cushion material 22 having a plate shape or a sheet shape having a holding surface 21 that can be positioned along the upper surface of the tray body 11 on the lower surface, and a support member 24 that supports the cushion material 22 from above. And provided so as to be movable in a predetermined direction via a driving device (not shown). The holding surface 21 is provided in a planar view shape having a size capable of closing the upper regions of the pockets 12 arranged in two vertical rows and three horizontal rows in FIG. A suction part 25 made of a round hole is formed in the central portion of the holding surface 21, and an intake pipe 26 communicating with the suction part 25 is provided on the support member 24. The intake pipe 26 is connected to a pump (not shown), and air is sucked from the suction portion 25 through the intake pipe 26 by operating this pump.

  Each of the raised portions 12 is provided in a substantially square planar shape, and a pocket 12A is formed by recessing the upper surface side in FIG. 3 in a concave shape. Each of the pockets 12A is provided so as to be able to accommodate the chip C therein, and the chip C is not particularly limited, but can be a surface mount type such as a BGA type or a CSP type. Below each pocket 12A, a bulging portion 14 protruding from the lower surface of the tray main body 11 is provided, and each bulging portion 14 is formed in a slightly smaller planar size than the pocket 12A. Therefore, when the plurality of trays 10 are stacked, the bulging portion 14 of the upper tray 10 fits into the pocket 12 </ b> A of the lower tray 10. Here, as shown in FIG. 1 and FIG. 2, a connecting body 16 is provided between the raised portions 12 located in the central region of the tray main body 11 in a plan view and is erected from the bottom of the groove 13. .

  The connecting body 16 has each raised portion that fits in the region of the holding surface 21 in a plan view when the suction portion 25 of the suction device 20 is placed on the in-plane center portion 11A of the tray main body 11 to be in the suction state. 13 is provided. More specifically, it includes four vertical wall portions 17 extending in the vertical direction and two horizontal wall portions 18 extending in the left-right direction, and the vertical wall portion 17 is positioned so as to overlap the suction portion 25 in plan view. The corner portions of the two raised portions 12 and 12 and the corner portions of the four raised portions 12 adjacent to each other in the vertical direction in FIG. 2 of the raised portions 12 and 12 are provided to each other. Also, the horizontal wall portion 18 is formed so as to connect the corner portions of the ridge portions 12 adjacent to each other on the left and right sides of FIG. 2 among the six ridge portions 12 in which the vertical wall portion 17 is formed. Has been. As shown in FIGS. 3 and 4, each of the vertical wall portion 17 and the horizontal wall portion 18 is a piece having a height substantially the same as the height of the raised portion 12, and the upper end surface of the raised portion 12, The upper end surfaces of the vertical wall portion 17 and the horizontal wall portion 18 are substantially flush with each other and come into contact with the holding surface 21.

  In the above configuration, when the tray 10 is sucked and held via the suction device 20, first, the suction device 20 is moved so that the in-plane center portion 11A of the tray body 11 and the suction portion 25 coincide with each other in plan view. The holding surface 21 is disposed on the upper surface side of the tray body 11. At this time, the space S indicated by the halftone dots in FIG. 2, that is, the space S in the groove 13 surrounded by the vertical wall portions 17 and the horizontal wall portions 18 constituting the connecting body 16 and the raised portions 12 connected thereto, is formed. It is closed by the holding surface 21 so as to be substantially sealed, and the pocket 12A covered by the holding surface 21 is also closed. Thereafter, the pump (not shown) is operated to suck air from the suction part 25. As a result, in the two pockets 12A and 12A that overlap the suction part 25 (pockets 12A and 12A represented by hatched lines in FIG. 2), the air inside the space S shown by the halftone dots described above is caused by the suction part 25. The suction is reduced to a negative pressure, and the tray 10 is sucked and held on the holding surface 21 side.

  Therefore, according to such an embodiment, the space S can be formed using not only the vertical wall portions 17 and the horizontal wall portions 18 but also the formation surfaces of the raised portions 12. That is, the area in which the vertical wall portion 17 and the horizontal wall portion 18 are formed in order to form the space S can be reduced as much as possible, the weight of the entire tray 10 can be reduced, and consequently the holding posture of the tray 10 by the suction device 20 can be achieved. Can be stably maintained. In addition, since the height of the vertical wall portion 17 and the horizontal wall portion 18 is the same as that of the raised portion 12, this can also contribute to the weight reduction of the tray 10.

Although the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, the present invention is not limited to this.
That is, the present invention has been particularly shown and described with respect to particular embodiments, but is not limited to the embodiments described above without departing from the scope and spirit of the present invention. Various modifications may be made by those skilled in the art in terms of position, orientation, and other detailed configurations.
Therefore, the description limited to the shape disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description in the name of the member excluding a part or all of the limitation is included in the present invention.

  For example, the suction unit 25 is not limited to the illustrated configuration example, and small holes may be provided at a plurality of points in a scattered manner, or a region for performing intake may be formed with a porous body.

  Further, the design positions of the connecting body 16 such as the vertical wall portion 17 and the horizontal wall portion 18 can be changed in various ways. For example, the configuration shown in FIGS. 5 and 6 can be substituted. In FIG. 5, the vertical wall portion 17 and the horizontal wall portion 18 are provided so as to be connected to the center portion in the up-down direction or the center portion in the left-right direction in the figure of each raised portion 12. Further, as shown in FIG. 6, an inclined wall portion 19 is provided between the raised portions 12, 12 adjacent to each other in the oblique direction, and a space S (shown by a halftone dot in the figure) closed by the holding surface 21 is formed. May be. In short, the present invention suffices by providing a connecting body 16 in a part of the groove 13 and forming a space having the same effect as the above-described space S by the connecting body 16 and the raised portion 12 connected thereto.

The schematic plan view of the storage container which concerns on embodiment. The A section enlarged view of FIG. Sectional drawing which follows the BB line of FIG. Sectional drawing which follows the CC line | wire of FIG. The enlarged view similar to FIG. 2 which concerns on a modification. The enlarged view similar to FIG. 2 which concerns on another modification. The top view similar to FIG. 1 of the storage container which concerns on a prior art example. The D section enlarged view of FIG. Sectional drawing which follows the EE line | wire of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Tray, 11 ... Tray main body, 12 ... Raised part, 12A ... Pocket, 13 ... Groove, 16 ... Connection body, 20 ... Adsorption device, 21 ... Holding surface, 25 ... suction part, C ... tip

Claims (4)

When air is sucked by a suction portion formed on a holding surface of a predetermined suction device, the tray is provided on the holding surface side so as to be sucked and held,
A tray body that can be arranged along the holding surface, a plurality of ridges that have a shape protruding from the surface of the tray body and that can accommodate chips, and are formed between adjacent ridges. With a groove,
Provided in a part of the groove is a connecting body connected to an adjacent raised portion, and in the suction state, a space in the groove surrounded by the connecting body and the raised portion connected to the connecting body is provided so as to be closed by the holding surface. A tray characterized by being made.   The tray according to claim 1, wherein the coupling body is formed of a piece-like body that stands from the bottom of the groove and has substantially the same height as the raised portion.   The tray according to claim 1, wherein the connecting body and the raised portion connected to the connecting body are provided in a central region of the tray body in a plan view. In the tray suction structure that holds the tray by suction through a predetermined suction device,
The suction device includes a holding surface on which a suction portion is formed, and is provided so as to suck and hold the tray on the holding surface side by sucking air from the suction portion,
The tray includes a tray main body that can be positioned along the holding surface, a plurality of ridges that have a shape protruding from the surface of the tray main body, and that form a pocket that can receive chips, and adjacent ridges. And a groove formed therebetween,
A connection body connected to an adjacent raised portion is provided in a part of the groove, and in the suction state, a space in the groove surrounded by the connection body and the raised portion connected to the connection body is blocked by the holding surface. Tray adsorption structure characterized by

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