JPH1154987A - Component supply device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To supply components smoothly even when high speed movement and sudden stop are repeated. SOLUTION: A component supply device 2, where a reel 110 around which a tape containing components is wound is supported, the component is supplied from the reel 110, and the components are sequentially carried and supplied at a prescribed position sequentially, is provided with a box 4 that contains the reel 110. The box 4 is configured such that 1st and 2nd main side plates 6, 8 whose width is slightly larger than a diameter of the reel 110 are placed nearly in parallel at an interval slightly wider than the thickness of the reel 110 opposite to each other, the two major side plates are respectively connected at both side ends with 1st and 2nd end side plates 10, 12 respectively, and the two major side plates are connected at a lower end by a bottom plate 14. One inner face of the 1st and 2nd major side plates 6, 8 is provided with a reverse prevention plate 24 that energizes the reel 110 in a direction of the one major side plate and prevents reversing of the reel 110.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supply device attached to an automatic component mounting device for automatically mounting components on a printed circuit board or the like.

[0002]

2. Description of the Related Art For example, transistors,
When mounting an electronic component in which a capacitor, a resistor, and the like are chipped (hereinafter also referred to as a chip-type electronic component), an automatic component mounting apparatus has been widely used. FIG. 4 is a perspective view showing an example of a conventional automatic component mounting apparatus, and FIG.
It is a perspective view which shows the component supply apparatus equipped with the automatic component mounting apparatus of FIG. FIG. 5 shows the automatic component mounting apparatus 1 shown in FIG.
04 is an enlarged view of a part of the front and rear side of the component supply device 102,
Is equipped. The automatic component mounting device 104 moves the chip-type electronic component supplied by the component supply device 102 to a table on which a printed board is mounted while being sucked by a mounting head (not shown), and moves the electronic component to a predetermined position on the printed board. It is configured to mount chip-type electronic components.

FIG. 6A is a perspective view showing a component tape mounted on the component supply device 102, and FIG. 6B is a sectional view of the component tape. As shown in FIGS. 6A and 6B, a chip-type electronic component 106 used in the automatic component mounting apparatus 104 is used.
Are supplied to the user in a state of being stored in a large number of component tapes 108 and wound around a reel 110. That is, the component tape 108 is formed by attaching the bottom tape 114 to the lower surface of the carrier tape 112 in which a large number of square holes 112A are formed at intervals in the longitudinal direction.
The chip-shaped electronic component 106 on the bottom tape 114
Is wound around the reel 110 with the top tape 116 adhered to the upper surface. 1
One kind of chip type electronic component 1
When the chip-type electronic component 106 is mounted on the printed circuit board, a different chip-type electronic component 1 is used.
A plurality of component tapes 108 each containing 06 are used, and thus a plurality of reels 110 are used.

FIG. 7 is a perspective view showing a conventional component supply apparatus 102 in detail. The component supply device 102 includes a main chassis 118, a tape cover 120, and a component tape 10.
Take-up reel 12 for winding top tape 116 of No. 8
2. It comprises a reel holder 124 for setting the reel 110 around which the component tape 108 is wound, a pressing plate 126 for fixing the reel 110, and the like. The reel shaft 128 is screwed and fixed substantially at the center of the reel holder 124. The pressing plate 126 is swingably attached to the main chassis 118 at one end 130, and the opposite end 132 is engaged with and fixed to the reel shaft 128.

When the reel 110 is mounted, first, the holding plate 126 is swung to release the engagement with the reel shaft 128, and is moved to a position outside the reel area. Thereafter, the reel 110 is mounted on the reel holder 124 by inserting the reel shaft 128 through the hole at the center of the reel 110, and then the holding plate 126 is swung in the opposite direction to rotate the end 132
Is engaged with and fixed to the reel shaft 128. As a result, the reel 110 is rotatably mounted on the reel holder 124, and in this state, the component supply device 102
The component tape 108 wound around 0 is fed out, the top tape 116 is peeled off from the component tape 108 through a cut provided at a predetermined position of the tape cover 120, and the component tape 108 is wound on a take-up reel 122. The component supply device 102 further removes the component tape 108 from which the top tape 116 has been peeled off and the chip-shaped electronic portion has been exposed.
The sheets are sequentially conveyed from the gap between the main chassis 118 and the main chassis 118.

A plurality of such component supply devices 102 are mounted side by side with respect to the automatic component mounting device 104, and different chip-type electronic components 106 are supplied from each of the component supply devices 102. Then, the component supply device 102 for supplying necessary chip-type electronic components is driven by driving means provided in the automatic component mounting device 104 in accordance with which chip-type electronic component is to be mounted on the printed circuit board. Move to the position. Therefore, as shown by the arrow A in FIG. 5, each of the component supply devices 102 repeatedly moves and stops at high speed in the horizontal direction orthogonal to the main chassis 118.

[0007]

As a result of repeating such high-speed movement and sudden stop, the conventional component supply apparatus 102
Usually receives an external force of 1 to 3 G repeatedly. Therefore, a strong force acts on the reel holder 124 in the lateral direction (the direction of arrow A), and the reel holder 124 vibrates largely in the lateral direction or causes deformation such as bending, and sometimes becomes adjacent due to vibration or deformation. Contact with an object sometimes makes it difficult to smoothly supply chip-type electronic components.

The present invention has been made to solve such a problem, and an object of the present invention is to provide a component supply apparatus capable of always supplying a chip-type electronic component smoothly even after repeated high-speed movement and sudden stop. Is to do.

[0009]

According to the present invention, in order to achieve the above object, a top tape and a bottom tape are attached to upper and lower surfaces of a carrier tape having a plurality of square holes formed at intervals in a longitudinal direction, A reel around which a component tape containing chip-type electronic components is wound is provided in each square hole. The reel is held via a main chassis, the component tape is unreeled from the reel, and the components are sequentially positioned at predetermined positions. In the component supply device for transporting the reel, the main chassis is provided with a box for accommodating a reel, and the box is disposed so as to be substantially parallel to each other at a slightly wider interval than the thickness of the reel, and the width of the box is the diameter of the reel Two slightly larger main side plates, two end side plates connecting the left and right ends of the two main side plates, and a bottom connecting the lower ends of the two main side plates Upper is formed in an open shape by,
A biasing means is provided on one inner surface of the two main side plates to elastically contact the side surface of the reel accommodated in the box and bias the reel toward the other main side plate. And

When the component supply device of the present invention is mounted on an automatic component mounting device to supply chip-type electronic components, the reel on which the component tape is wound is put into a box, and the reel is supplied to the component supply device. Installing. The reel accommodated in the box is urged in the direction of the opposite main side plate by the urging means, and rotates inside the box without rattling with the feeding of the component tape. As described above, the component supply device of the present invention includes the box for accommodating the reel as the reel holding means, and the box has a markedly higher rigidity than conventional reel holders and reel holding plates. Therefore, even if the component supply device mounted on the automatic component mounting device repeatedly moves and stops suddenly and a strong external force is applied to the component supply device, the vibration and deformation of the box are greatly reduced, and the component tape is smoothly fed out. Thus, chip-type electronic components can be supplied stably.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described based on embodiments with reference to the drawings. FIG. 1 is a perspective view showing a main part of an example of a component supply apparatus according to the present invention, FIG. 2 is a sectional view, and FIG. 3 is a perspective view showing the entire embodiment. In the figure, the same elements as those in FIG. 7 are denoted by the same reference numerals, and a detailed description thereof will be omitted here. This component supply device 2 is different from the conventional component supply device shown in FIG. 7 in that the component supply device 2 includes a box 4 that accommodates a reel 110. Therefore, in the following, description will be made mainly on the periphery of the box 4. Box 4 comprises first and second main side plates 6,8.
And first and second end side plates 10 and 12 and a bottom plate 14.
Etc. In the present embodiment, all of the first and second main side plates 6 and 8, the first and second end side plates 10 and 12, and the bottom plate 14 are formed of a metal plate. The first and second main side plates 6, 8 are:
The width is slightly larger than the diameter of the reel 110,
Are arranged substantially parallel to each other at an interval slightly wider than the thickness of the sheet. In the present embodiment, the height of the first and second main side plates 6 and 8 is, for example, 2/100 of the diameter of the reel 110.
The height is about three. The side ends of the first and second main side plates 6 and 8 on the main chassis 118 side are the first side plates.
And the opposite side ends of the first and second main side plates 6, 8 are connected by a second end side plate 12. Also, the first and second main side plates 6, 8
Are connected by a bottom plate 14.

An extension 16 is formed at an end of the upper end of the second main side plate 8 on the side of the main chassis 118, and two holes (not shown) are formed in the extension 16 at intervals. I have. A female screw (not shown) is formed at a position corresponding to the main chassis 118, and the male screw 18 is screwed into the female screw through the hole of the extension 16, so that the second main side plate 8 becomes main. It is fixed to the chassis 118. An extension 20 is formed at the upper end of the first main side plate 6 on the side of the main chassis 118, and a hole 20A is formed in the extension 20. And the main chassis 11
8, a female screw (not shown) is formed, and a rubber vibration absorbing material 22 is interposed between the main chassis 118 and the inner surface of the first main side plate 6, and then the male screw 18 is formed. The first main side plate 6 is screwed into the female screw through a hole 20 </ b> A of the extension 20 and a hole formed in the vibration absorbing material 22.
Are fixed to the main chassis 118.

On the inner surface of the first main side plate 6, there are provided two reverse rotation preventing members for urging the reel 110 accommodated in the box 4 in the direction of the second main side plate 8 and preventing the reel 110 from rotating in the reverse direction. A plate 24 (corresponding to the urging means in the claims) is provided. The reverse rotation preventing plate 24 is made of an elastic metal and is formed by bending a strip-shaped leaf spring. First
The main side plate 6 is formed with two rectangular openings 26 extending vertically on both sides of the center of rotation of the reel with the center interposed therebetween, and the reverse rotation prevention plate 24 is attached to these openings 26. ing. Opening 26 on main chassis 118 side
Then, the reverse rotation preventing plate 24 has one end fixed to the upper edge of the opening 26 outside the first main side plate 6, and the main part of the reverse rotation preventing plate 24 enters the box 4 through the opening 26 and
The first main side plate 6 extends downward from the inner surface of the first main side plate 6 toward the reel 110 to urge the reel 110 toward the second main side plate 8. The other end of the reverse rotation prevention plate 24 is not fixed but is a free end. On the other hand, in the opening 26 on the opposite side, the one end of the anti-reverse plate 24 is fixed to the lower edge of the opening 26 outside the first main side plate 6, and the main part of the anti-reverse plate 24 enters the box 4 through the opening 26. The first main side plate 6 penetrates and extends upward from the inner surface of the first main side plate 6 to the reel 110 side.
10 is urged in the direction of the second main side plate 8. The other end of the reverse rotation prevention plate 24 is also not fixed and is a free end. A metal sliding plate 28 having a smooth surface on the reel 110 side and a small friction coefficient is attached to the inner surfaces of the first and second end side plates 10 and 12 and the bottom plate 14.

Then, the component supply device 2 of the present embodiment
Is mounted on the automatic component mounting apparatus 104 and the chip type electronic component 106 is supplied, the reel 110 around which the component tape 108 is wound is put into the box 4 so that the reel 110 is mounted on the component supplying apparatus 2. Thereafter, the component tape 108 may be pulled out from the reel 110 and extended along the main chassis 118. Box 4
The reel 110 accommodated in the box 4 is urged in the direction of the second main side plate 8 by the reverse rotation preventing plate 24 functioning as urging means, and the box 4 is not rattled in the state shown in FIG. Rotate within.

As described above, in the component supply device 2 of the present embodiment, the reel 110 is held by the box 4, and the box 4 is provided with the reel holder 124 and the holding plate 126 (FIG. 6) in the conventional component supply device 2. The rigidity is significantly higher than the reel holding means composed of Therefore, even if the component supply device 2 mounted on the automatic component mounting device repeats high-speed movement and sudden stop and a strong external force is applied to the component supply device 2, the vibration and deformation of the box 4 are greatly reduced, and the component tape 108 Is smoothly fed out to form a chip-type electronic component 10.
6 can be supplied stably. Also, the reel 110
Can be mounted very simply because the reel 110 is simply put into the box 4. By the action of the reverse rotation preventing plate 24, even if the box 4 vibrates or deforms to some extent, the reverse rotation of the reel 110 is prevented, and the reel 110 rotates smoothly. Further, since the sliding plates 28 having a small coefficient of friction are mounted on the inner surfaces of the first and second end side plates 10 and 12 and the bottom plate 14, the peripheral portion of the reel 110 is moved with respect to these sliding plates 28. Even if it slides, the reel 110 rotates smoothly. Further, the place where the box 4 is attached to the main chassis 118 is the place having the least rigidity in the box 4, and the first main side plate 6 and the main chassis 118
The vibration of the box 4 is effectively absorbed by the vibration absorbing material 22 even if the component supply device 2 vibrates by repeatedly moving at high speed and suddenly stopping. 110 rotates smoothly.

In the present embodiment, the sliding plate 28 is made of metal, but it is of course possible to form the sliding plate 28 with a synthetic resin. In addition, other than rubber, any material that absorbs vibration, such as synthetic resin having appropriate flexibility, can be used as the vibration absorbing material 22.

[0017]

As described above, in the component supply apparatus of the present invention, when the chip-type electronic component is supplied to the automatic component mounting apparatus, the reel on which the component tape is wound is put into the box. Thus, the reel is mounted on the component supply device. The reel accommodated in the box is urged in the direction of the opposite main side plate by the urging means, and rotates inside the box without rattling with the feeding of the component tape. As described above, the component supply device of the present invention includes the box for accommodating the reel as the reel holding means, and the box has a markedly higher rigidity than conventional reel holders and reel holding plates. Therefore, even if the component supply device mounted on the automatic component mounting device repeatedly moves and stops suddenly and a strong external force is applied to the component supply device, the vibration and deformation of the box are greatly reduced, and the component tape is smoothly fed out. Thus, chip-type electronic components can be supplied stably.

The mounting of the reel on the component supply device is as follows:
Because it is only to put the reel in the box,
Unlike the conventional case, there is no need to remove the reel holding plate from the reel shaft, and the operation can be performed extremely easily. By arranging the urging means at two places across the rotation center of the reel, the reel is prevented from reversing even if the box vibrates or deforms to some extent, and the reel rotates smoothly. Further, by providing a sliding plate on the inner surface of the end side plate and the bottom plate, smooth rotation of the reel is ensured. Also, when the box is attached to the main chassis via a vibration absorbing material, even if the location where the box is attached to the main chassis is a weak point of rigidity in the box due to the structure, repeated high-speed movement and sudden stop of the parts supply device The vibration of the box is effectively absorbed by the vibration absorbing material, and the reel rotates smoothly.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part of an example of a component supply device according to the present invention.

FIG. 2 is a sectional view showing a main part of an example of the component supply device according to the present invention.

FIG. 3 is a perspective view showing the entire embodiment.

FIG. 4 is a perspective view showing an example of a conventional automatic component mounting apparatus.

FIG. 5 is a perspective view showing a component supply device provided in the automatic component mounting device of FIG. 4;

FIG. 6A is a perspective view showing a component tape mounted on a component supply device, and FIG. 6B is a sectional view of the component tape.

FIG. 7 is a perspective view illustrating a conventional component supply device in detail.

[Explanation of symbols]

2 ... part supply device, 4 ... box, 6 ... first main side plate, 8 ... second main side plate, 10 ... first end side plate,
12 second end side plate, 14 bottom plate, 16, 20
... Extension part, 22 ... Vibration absorber, 24 ... Reversal prevention plate,
28 ... Sliding plate.

Claims (7)

[Claims] 1. A component in which a top tape and a bottom tape are adhered to upper and lower surfaces of a carrier tape having a plurality of square holes formed at intervals in a longitudinal direction, and a chip-type electronic component is accommodated in each square hole. A reel around which the tape is wound is provided, and this reel is held via the main chassis,
In a component supply device that feeds out a component tape from the reel and sequentially conveys the component to a predetermined position, a box that accommodates a reel is provided in the main chassis, and the box is provided at a slightly wider interval than a thickness of the reel. Two main side plates arranged substantially parallel to each other and having a lateral width slightly larger than the diameter of the reel; two end side plates connecting left and right ends of the two main side plates; An upper portion is formed in an open shape by a bottom plate connecting lower end portions of the main side plates, and one of the two main side plates is elastically contacted with a side surface of a reel housed in a box, and the reel is connected to the other main side plate. A biasing means for biasing in the direction of. Is provided. 2. The component supply device according to claim 1, wherein the height of the box is approximately two-thirds of the diameter of the reel. 3. The component supply device according to claim 1, wherein the biasing means is provided at two positions with a substantially center of rotation of the reel interposed therebetween. 4. The component supply device according to claim 1, wherein a slide plate having a small coefficient of friction is mounted on inner surfaces of said end side plate and said bottom plate. 5. The component supply device according to claim 4, wherein said slide plate is formed of a smooth metal or synthetic resin plate. 6. The component supply device according to claim 1, wherein the box is connected to the main chassis via a vibration absorbing member. 7. The component supply device according to claim 6, wherein the vibration absorbing material is rubber.