Storage case

Abstract

To provide a storage case in which electronic components do not easily jam at a component take-out port and do not flow out at once, regardless of the number of electronic components stored inside.SOLUTION: A storage case 1 has: a case body 2 including a first side wall 21 and a second side wall 22, and having a storage space between the first side wall 21 and the second side wall 22 to accommodate components; a component take-out port 6 provided in the case body 2; and a sloping surface 7a provided inside the storage space S. One of the first sidewall 21 or the second sidewall 22 has a radio shielding performance at least partially.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a storage case for electronic components.

Background Art

[0002] When mounting an electronic component on a substrate, a mounting device for installing and mounting the electronic component at a predetermined position on the substrate is used. For such a mounting device, it is necessary to supply the electronic components individually. As a method of individually supplying electronic components to a mounting device, there is a tape feeder method in which electronic components are embedded inside a tape-shaped carrier and taken out one by one. However, the tape feeder method generates waste such as tapes and tape covers. On the other hand, there is also a method in which loose electronic components are collectively put into a storage case, and the electronic components are dropped into a feeder by their own weight from a component outlet formed at the bottom of the storage case, and are individually supplied to the mounting device by the feeder (see Patent Document 1). This method does not generate waste such as tapes and tape covers. And, an RFID tag is attached to the storage case 0, a reader / writer is arranged in the feeder, and the reader / writer exchanges information with the RFID tag.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, when arranging a plurality of storage cases in a feeder, the radio waves from the reader / writer may affect the RFID tags provided on adjacent storage cases other than the RFID tags that are the targets of information exchange.

[0005] An object of the present invention is to provide a storage case that prevents reading or writing of information from sources other than a target reader / writer even when a plurality of the storage cases are arranged side by side.

Means for Solving the Problems

[0006] To solve the above problems, the present invention provides a case body including a first side wall portion and a second side wall portion, and having a storage space therebetween that can accommodate components, a component outlet provided in the case body, and an inclined surface provided inside the storage space, and provides a storage case in which at least a part of one of the first side wall portion and the second side wall portion has radio wave shielding performance.

Effects of the Invention

[0007] According to the present invention, it is possible to provide a storage case that prevents reading or writing of information from sources other than a target reader / writer even when a plurality of the storage cases are arranged side by side.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0009] Hereinafter, the storage case 1 of the embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of the storage case 1 seen from the upper diagonal side. The storage case 1 stores electronic components 50 (shown in FIG. 2) as an example of components in a scattered state inside, and is detachable from a feeder 100 indicated by a dotted line. The feeder 100 is a device that supplies the electronic components 50 flowing out from the storage case 1 to a mounting device (not shown). In the embodiment, the electronic component 50 is a capacitor, an inductor, etc., and the length in the longitudinal direction is 1.2 mm or less. The shape of the electronic component 50 is a substantially rectangular parallelepiped.

[0010] FIG. 2 is a perspective view showing the internal state of the storage case 1 with the second side wall portion 22 to be described later removed, showing a state where the component outlet 6 is open. FIG. 3 is a perspective view showing the internal state of the storage case 1 with the second side wall portion 22 to be described later removed as in FIG. 2, showing a state where the component outlet 6 is closed. FIG. 4 is a perspective view of the storage case 1 seen from the lower diagonal side. FIG. 5 is a diagram for explaining a method of mounting the feeder 100 on the storage case 1.

[0011] (Storage case 1) The storage case 1 includes a case main body 2, a cover member 3, and a drive unit 4, and the case main body 2 is provided with an information tag storage unit 9 for storing an RFID tag 5.

[0012] (Case main body 2) The case main body 2 includes a first side wall portion 21 and a second side wall portion 22, and is a container in which a storage space S is formed inside by assembling the first side wall portion 21 and the second side wall portion 22. The case main body 2 includes an upper wall portion 2U, a bottom wall portion 2D, a front side wall portion 2F, a rear side wall portion 2B, a right side wall portion 2R on the first side wall portion 21 side, and a left side wall portion 2L on the second side wall portion 22 side. Inside the storage case 1, the electronic components 50 are stored in a scattered state.

[0013] In addition, in this specification, when the storage case 1 is attached to the feeder 100, the vertical up-and-down direction is defined as the up-and-down direction of the storage case 1. Also, in the storage case 1, the side where the component outlet 6 is provided is the front, and the opposite side is the rear. When looking at the storage case 1 from the front, the right side is the right, and the left side is the left. The first side wall portion 21 is located on the right side, and the second side wall portion 22 is located on the left side. The front side wall portion 2F, the rear side wall portion 2B, the right side wall portion 2R, and the left side wall portion 2L are side wall portions extending in the vertical direction, that is, up and down. The upper wall portion 2U and the bottom wall portion 2D are wall portions extending in the horizontal direction.

[0014] In the embodiment, the second side wall portion 22, which is one of the first side wall portion 21 and the second side wall portion 22, is manufactured from a material having radio wave shielding performance. The material having radio wave shielding performance is a conductive material. Also, the first side wall portion 21, which is the other side wall portion, is manufactured from a resin material having antistatic performance. However, it is not limited to this. For example, the second side wall portion 22, which is one of the first side wall portion 21 and the second side wall portion 22, may be manufactured from a resin material having the same antistatic performance as the first side wall portion 21, and a member having radio wave shielding performance may be applied, or a member having radio wave shielding performance for shielding radio waves may be adhered. Note that the smaller the surface resistivity of the member, the higher the radio wave shielding performance. In this specification, the material having radio wave shielding performance means a material having a surface resistivity of 10 2 Ω / □ or less. Note that it is more preferable that the surface resistivity of the material having radio wave shielding performance is 10 Ω / □ or less.

[0015] (Component outlet 6) A component outlet 6 is provided below the front side wall portion 2F of the case body 2. The component outlet 6 is a rectangular opening in the embodiment, but is not limited to a rectangle, and may be, for example, other circular or elliptical openings. The position of the lower edge portion 6a when the component outlet 6 is open is separated from the bottom surface on the feeder 100 side of the bottom wall portion 2D by a predetermined distance d = 3 mm to 6 mm in the vertical upward direction.

[0016] (Inclined surface 7a) Within the storage space S, a plate member 7 extends between the first side wall portion 21 and the second side wall portion 22. The upper surface of the plate member 7 extends from the rear toward the lower edge portion 6a of the front component outlet 6, and forms an inclined surface 7a that is inclined such that the lower edge portion 6a side is the lowest. The inclination angle θ of the inclined surface 7a is 3° to 10° with respect to the horizontal direction when the storage case 1 is attached to the feeder 100, and is 5° in the embodiment. Note that it is better if it is 5° to 7°.

[0017] (Cover member 3) A cover member 3 that covers the component outlet 6 extends continuously from the bottom wall portion 2D to the front side wall portion 2F. The cover member 3 is a long strip-shaped member, and the material is not limited to this, but in the embodiment, it is PET (Polyethylene terephthalate), which has a certain degree of rigidity and is a material that can be curved. The width of the cover member 3 is slightly larger than the width of the component outlet 6 and is a width that can cover the component outlet 6 without a gap. It is set to 1.0×10^6 to 1.0×10^12 (1.0×10 6 ~1.0×10 12 ). If it is less than 1.0×10^6, component breakage due to voltage will occur suddenly, and if it is more than 1.0×10^12, component adhesion due to static electricity will occur. An opening 3a having substantially the same shape as the component outlet 6 is provided at the front end of the cover member 3. Note that the opening 3a does not necessarily have to be the same shape as the component outlet 6, but when the opening 3a and the component outlet 6 overlap, the opening that penetrates becomes the outflow port of the electronic component 50.

[0018] (Guide groove 62) On the other hand, on the upper side of the component outlet 6 in the front side wall portion 2F of the case body 2, a cover part slide concave portion 61 that is recessed from the outside toward the inside is provided. Guide grooves 62 extending vertically are provided on the left and right of the side surface in the thickness direction of the front side wall portion 2F at the portion where the component outlet 6 and the cover part slide concave portion 61 are provided. The difference between the width of the guide groove 62 and the thickness of the cover member 3 is 50 μm to 80 μm. Both sides of the cover member 3 extending in the longitudinal direction are inserted into the left and right guide grooves 62. The cover member 3 is guided by the guide grooves 62 and slides in the vertical direction along the front side wall portion 2F.

[0019] (Drive unit 4) At the rear end of the cover member 3, circular holes 3b shown in FIGS. 2 and 3 are provided. A drive unit 4 for sliding the cover member 3 is attached to the holes 3b. The drive unit 4 is a rectangular member, and flange portions 4a extend outwardly to the left and right on the upper side. On the upper surface of the drive unit 4, a convex portion 4b is provided, and the convex portion 4b is inserted into the hole 3b of the cover member 3 and protrudes upward.

[0020] On the other hand, as shown in FIG. 4, on the bottom wall portion 2D of the storage case 1, a concave portion 23 for driving the slide of the drive unit recessed from the outside to the inside is provided. On the front side surface of the concave portion 23 for driving the slide of the drive unit, a long hole 24 through which the cover member 3 can be inserted from the inner surface side to the outer surface side of the bottom wall portion 2D is provided. The cover member 3 extends through the long hole 24 to the outer surface side which is the bottom surface of the concave portion 23 for driving the slide of the drive unit. On the outer surface of the concave portion 23 for driving the slide of the drive unit, two depressions 26a and 26b are provided side by side in the front-rear direction.

[0021] On the side surface in the thickness direction of the bottom wall portion 2D at the portion where the concave portion 23 for driving the slide of the drive unit is provided, drive grooves 25 shown in FIG. 4 extending in the front-rear direction are provided on the left and right. The flange portion 4a of the drive unit 4 is inserted between the left and right drive grooves 25. When the drive unit 4 is moved back and forth by an operator or another device, it is guided by the drive grooves 25 and slides in the front-rear direction inside the concave portion 23 for driving the slide of the drive unit. At this time, the sliding range of the drive unit 4 is between the position where the convex portion 4b fits into the front depression 26a and the position where it fits into the rear depression 26b.

[0022] Although the details of FIG. 5 will be described later, as shown in FIGS. 5(c) and 3, when the convex portion 4b of the drive unit 4 is in the front depression 26a, the opening 3a of the cover member 3 is located within the concave portion 61 for sliding the cover and does not overlap with the component take-out port 6, the entire component take-out port 6 is closed, and the electronic component 50 is not released to the outside.

[0023] As shown in FIG. 5(d) and FIG. 2, when the convex portion 4b of the drive portion 4 is in the rear recess 26b, the opening 3a of the cover member 3 overlaps with the component take-out port 6 and opens the component take-out port 6. Thus, it becomes possible to take out the electronic component 50.

[0024] (Gripping portion 10) The gripping portion 10 is provided on the rear side and the upper side of the case main body 2. In the embodiment, two types of gripping portions 10 are provided, namely the upper gripping portion 10A and the rear gripping portion 10B, but it is not limited thereto, and either one of them may be provided, or it may be provided in other places such as left and right, or upper and lower in the front. The upper gripping portion 10A is a recess provided at both front and rear ends on the upper side of the case main body 2. The rear gripping portion is a recess provided at both upper and lower ends on the rear side of the case main body 2. The gripping portion 10 is used, for example, when being gripped by a robot hand during conveyance.

[0025] (Information tag housing portion 9) The case main body 2 further includes an information tag housing portion 9 that penetrates left and right downward. An RFID (radio frequency identifier) tag 5 is attached to the upper surface inside the information tag housing portion 9.

[0026] On the other hand, as shown in FIG. 1, a reader / writer 105 is attached to the feeder 100 side. When the storage case 1 is attached to the feeder 100, the reader / writer 105 exchanges information with the RFID tag 5 by wireless communication using an electromagnetic field, radio waves, or the like.

[0027] The case main body 2 is further provided with a locked portion 8 and a T-shaped slot portion 13 that extend downward from the outer surface of the bottom wall portion 2D.

[0028] (Locked portion 8) In the embodiment, the locked portion 8 is provided with two parts, namely, a front locked portion 8A and a rear locked portion 8B, but it is not limited thereto, and it may be one. Hereinafter, the parts common to the front locked portion 8A and the rear locked portion 8B will be collectively described as the locked portion 8. The locked portion 8 extends from top to bottom, and the lower end is bent approximately 90° rearward, and has an L-shaped cross section extending vertically and horizontally.

[0029] (T-shaped slot portion 13) In the embodiment, the T-shaped slot portion 13 includes two parts, namely, a front T-shaped slot portion 13A and a rear T-shaped slot portion 13B, but it is not limited thereto, and it may be one. However, by dividing it into a plurality of parts, the sliding distance of the storage case 1 when mounted on the feeder 100 can be shortened. Hereinafter, the parts common to the front T-shaped slot portion 13A and the rear T-shaped slot portion 13B will be collectively described as the T-shaped slot portion 13. As shown in FIG. 4, the T-shaped slot portion 13 includes a narrow portion 13a extending from top to bottom and a wide portion 13b provided further below the narrow portion 13a, and has a T-shaped cross section extending vertically and horizontally.

[0030] (Feeder 100 side) On the other hand, as shown in FIG. 5, the feeder 100 is provided with a first mounting recess 101 and a second mounting recess 102 recessed downward from the upper surface of the feeder 100.

[0031] (First mounting recess 101) The left and right widths of the first mounting recess 101 provided on the front side are widths into which the wide portion 13b of the T-shaped slot portion 13 can be inserted, and the vertical depth is deeper than the vertical length of the wide portion 13b and shorter than the vertical length of the entire front T-shaped slot portion 13A. At two locations above the first mounting recess 101, there are provided pressing plate portions 103 each having a slit 104 shown in FIG. 1 with a width allowing the insertion of the narrow portion 13a of the T-shaped slot portion but not allowing the insertion of the wide portion 13b. The upper surface of the pressing plate portion 103 is a horizontal plane continuous with the upper surface of the feeder 100, and a front pressing plate portion 103A and a rear pressing plate portion 103B are provided. The length in the front and rear directions of the gap e between the front pressing plate portion 103A and the rear pressing plate portion 103B shown in FIG. 5(a) is a length allowing the insertion of the front T-shaped slot portion 13A.

[0032] (Locking portion 108) The second mounting recess 102 is deeper than the first mounting recess 101, and a locking portion 108 is provided inside. In the embodiment, the locking portion 108 includes a front locking portion 108A and a rear locking portion 108B corresponding to the front locked portion 8A and the rear locked portion 8B, respectively.

[0033] (Front locking portion 108A) The front locking portion 108A is a plate-like member provided with protrusions extending upward in the front and rear directions. The front and rear of the bottom surface of the front locking portion 108A are respectively attached to the bottom of the second mounting recess 102 via springs. The front locking portion 108A is movable up and down by these springs.

[0034] (Rear locking portion 108B) The rear locking portion 108B is a plate-like member provided with protrusions extending upward in the front and rear directions. The front and rear of the bottom surface of the rear locking portion 108B are respectively attached to the bottom of the second mounting recess 102 via springs. The central portion of the rear locking portion 108B is pivotally supported by a shaft p extending in the left and right directions. The rear locking portion 108B is swingable about the shaft.

[0035] (Mounting operation) Next, the operation of mounting the storage case 1 on the feeder 100 will be described. The storage case 1 stores a large number of electronic components 50 inside in a scattered state, and the component outlet 6 is closed. At this time, the convex portion 4b of the drive unit 4 is in the front recess 26a, and the entire component outlet 6 is closed by the opening 3a of the cover member 3.

[0036] The storage case 1 in this state is brought closer to the feeder 100 side so that the front T-shaped slot portion 13A of the storage case 1 is inserted into the gap between the front pressing plate portion 103A and the rear pressing plate portion 103B as shown by the white arrow in Fig. 5(a). Then, the front T-shaped slot portion 13A of the storage case 1 is inserted into the inside of the first mounting recess 101 from the gap e between the front pressing plate portion 103A and the rear pressing plate portion 103B. At the same time, the rear T-shaped slot portion 13B of the storage case 1 is inserted into the inside of the first mounting recess 101 from behind the rear pressing plate portion 103B. At this time, the front locking portion 108A is pushed by the drive unit 4 and pushed down against the spring force. The front locking portion 108A descends as a whole without rotating.

[0037] Next, as shown by the white arrow in Fig. 5(b), the storage case 1 is slid forward as a whole. Then, the front T-shaped slot portion 13A and the rear T-shaped slot portion 13B slide along the bottom surface of the first mounting recess 101, and the wide portion 13b of the front T-shaped slot portion 13A enters under the front pressing plate portion 103A, and the wide portion 13b of the rear T-shaped slot portion 13B enters under the rear pressing plate portion 103B. Thereby, the storage case 1 is fixed to the feeder 100. Note that the storage case 1 is positioned on the feeder 100 when the front surface of the front T-shaped slot portion 13A abuts against the front surface of the first mounting recess 101.

[0038] Next, when the drive unit 4 is moved rearward as shown in Fig. 5(c), the opening 3a of the cover member 3 overlaps with the component outlet 6, and the component outlet 6 opens. At this time, as shown in FIG. 5(d), the protrusion on the front side of the rear locking portion 108B is pushed downward by the driving portion 4. The rear locking portion 108B rotates about the axis p, and the protrusion on the rear side of the rear locking portion 108B rises. The rear protrusion abuts against the L-shaped rear end of the rear locked portion 8B.

[0039] Also, when the driving portion 4 moves rearward, the pressing of the front locking portion 108A that has been pressed by the driving portion 4 is released. Then, the front locking portion 108A rises by the restoring force of the spring, and the protrusion at the front end of the front locking portion 108A abuts against the L-shaped rear end of the front locked portion 8A.

[0040] In this way, the rear locking portion 108B locks the rear locked portion 8B, and the front locking portion 108A locks the front locked portion 8A. Therefore, when the cover member 3 opens the component outlet 6, the storage case 1 is not removed from the feeder 100.

[0041] In this state, the reader / writer 105 shown in FIG. 1 can communicate with the RFID tag 5. Since the RFID tag 5 is disposed inside the information tag housing portion 9, it is difficult to peel off and is also difficult to be damaged even during transportation. After reading the information provided on the RFID tag 5, the reader / writer 105 transmits the information of the electronic component housed in this case to the control unit of the feeder 100 or the like.

[0042] FIG. 6 is a cross-sectional view taken along the line X-X of FIG. 1, and shows a case where a plurality of storage cases 1A, 1B, 1C, 1D are arranged side by side in the feeder 100. In this case, it is preferable that the RFID tag 5A attached to the storage case 1A communicates with only the reader / writer 105A attached to the feeder 100A in which the storage case 1A is disposed. That is, it is not preferable that the RFID tag 5A communicates with the reader / writers 105B, 105C, 105D attached to other feeders 100B, 100C, 100D other than the feeder 100A in which the storage case 1A to which the RFID tag 5A is attached is disposed.

[0043] In an embodiment, the second side wall portion 22, which is one of the first side wall portion 21 and the second side wall portion 22, is made of a conductive material and has radio wave shielding performance. Therefore, even when a plurality of storage cases 1A, 1B, 1C, and 1D are arranged side by side in the feeder 100, the RFID tag 5A attached to the storage case 1A is prevented from reading or writing information from a reader / writer other than the reader / writer 105A.

[0044] Then, the electronic component 50 slides down along the inclined surface 7a and is discharged from the component outlet 6. At this time, since the number of outflows of the electronic component 50 per unit time can be controlled by the angle of the inclined surface 7a, the supply speed of the electronic component 50 can be controlled. The discharged electronic component 50 is conveyed to a predetermined location by a conveying unit (not shown) provided in the feeder 100. Unlike the embodiment, when the electronic component 50 falls vertically due to its own weight, it falls all at once, so there is a possibility that the electronic component 50 may be clogged at the component outlet 6. However, in the embodiment, since the number of outflows of the electronic component 50 per unit time can be controlled, the electronic component 50 is less likely to be clogged at the component outlet 6 and does not flow out all at once regardless of the number of electronic components 50 stored inside.

[0045] Further, the thickness of the electronic component 50 in the thinnest direction is, for example, 90 μm to 700 μm, which is larger than 50 μm to 80 μm, which is the difference between the width of the guide groove 62 and the thickness of the cover member 3. Therefore, when the electronic component 50 is discharged, it does not enter the gap between the guide groove 62 and the cover member 3. The length of the electronic component 50 in the longitudinal direction preferably has a size of 180 μm to 330 μm.

[0046] In the embodiment, the position of the lower edge portion 6a when the component outlet 6 is open is separated from the bottom surface on the feeder 100 side of the bottom wall portion 2D by a predetermined distance d in the vertically upward direction. Therefore, the outflowed electronic component 50 does not flow back from the conveying portion (not shown) on the feeder 100 at the falling destination to the component outlet 6.

[0047] When the component outlet 6 is open, as shown in FIG. 2, at least the lower edge portion 6a of the component outlet 6 is above the lower edge portion of the opening 3a of the cover member 3. Therefore, when the electronic component 50 flows out, it is not caught by the lower edge portion of the opening 3a of the cover member 3, and the outflow is not hindered.

[0048] Since the holding portion 10 is provided on the storage case 1 of the embodiment, it can be set on the feeder 100 using an automatic robot arm or the like.

[0049] The case body 2 is provided with the RFID tag 5, and the reader / writer 105 is attached to the feeder 100 side. Therefore, the information of the RFID tag 5 can be read by the reader / writer 105. Thus, the management of the electronic components 50 in the storage case 1 is easy.

[0050] (Modification) As described above, the preferred embodiments of the present invention have been described, but the present invention is not limited to these, and various modifications are possible.

[0051] (1) For example, in the embodiment, the T-shaped slot portion 13 and the first mounting recess 101 are provided on the feeder 100, but the present invention is not limited to this. The T-shaped slot portion may be provided on the feeder and the first recess may be provided on the storage case. Also, the locked portion 8 is provided on the storage case 1 and the locking portion 108 is provided on the feeder 100, but the present invention is not limited to this. The locked portion may be provided on the feeder 100 and the locking portion may be provided on the storage case 1.

[0052] (2) A vibration device for vibrating the storage case 1 may be separately provided in the feeder 100. In this case, when the discharge rate of the electronic component 50 decreases, the storage case 1 can be vibrated by the vibration device to improve the discharge rate.

[0053] (3) In the embodiment, the inclined surface 7a is a flat surface, but it is not limited to this, and it may be a curved surface or the like. In this case, it may be a curve in the vertical and horizontal cross-sections, or it may be a curve in the vertical and left-right cross-sections. Also, it may be a combination of straight lines with different inclinations in the vertical and horizontal cross-sections and the vertical and left-right cross-sections. Furthermore, a combination of these curves and straight lines may also be possible.

[0054] (4) The structure of the locking portion and the locked portion is not limited to the structure as in the embodiment. As long as the removal from the feeder 100 of the storage case 1 is restricted when the component outlet 6 is open, other structures may be used.

[0055] (5) Also, the RFID tag 5 may be arranged at a location other than the information tag housing portion 9.

Explanation of Reference Numerals

[0056] S Storage space 1 Storage case 2 Case body 5 RFID tag 6 Component outlet 7a Inclined surface 9 Information tag housing portion 10 Gripping portion 21 First side wall portion 22 Second side wall portion 50 Electronic component 100 Feeder 105 Reader / writer

Claims

1. A case body including a first side wall portion and a second side wall portion, having a storage space therebetween for accommodating components, a component outlet provided in the case body, an inclined surface provided inside the storage space, and comprising: either one of the first side wall portion and the second side wall portion has radio wave shielding performance at least in part, the case body includes an information tag accommodating portion penetrating left and right below, and an information tag readable by radio waves is disposed inside the information tag accommodating portion, a storage case.

2. At least a part of the one side wall portion is made of a material having radio wave shielding performance. The storage case according to Claim 1.

3. A member having radio wave shielding performance is applied to at least a part of the one side wall portion. The storage case according to Claim 1.

4. A member having radio wave shielding performance is adhered to at least a part of the one side wall portion. The storage case according to Claim 1.

5. The lower side of the information tag accommodating portion is covered by the bottom surface of the case body. The storage case according to any one of Claims 1 to 4.

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