JP2924313B2 - Tape feeder - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape feeder,
More specifically, the present invention relates to a device capable of easily removing a cover tape wound around a take-up reel.

[0002]

2. Description of the Related Art As means for mounting electronic components on a substrate, a tape enclosing electronic components mounted on a tape feeder is pitch-fed, and the electronic components are conveyed toward a mounting apparatus. The electronic component is widely picked up and transferred to and mounted on a substrate.

[0003] This type of tape feeder includes a supply reel on which a tape enclosing electronic components is wound, a guide member for guiding the tape out of the supply reel, and pitch feeding the tape along the guide member. And a take-up reel for taking up the peeled cover tape from the supply reel.

In FIG. 5, reference numeral 100 denotes a female disk which constitutes this conventional take-up reel, and a ring-shaped female fitting portion 101 is protruded at the center of the inner surface thereof. Reference numeral 102 denotes a male disk disposed opposite to the female disk 100, and a male fitting portion 103 that is fitted to the inner peripheral surface of the female fitting portion 101 protrudes from the inner peripheral surface thereof. . 104 is a cover tape 105
Is a ring to be wound, and is attached to the outer peripheral surface of the female fitting portion 101. When the cover tape 105 is wound, a drive unit (not shown) is driven to rotate the take-up reel, so that the cover tape 105 is firmly wound around the outer peripheral surface of the ring 104 with strong tension.

[0005]

When the electronic components of the tape are out of stock and the reels are to be replaced, the female disk 10 is required.
0 and the male disk 102 must be separated and the cover tape 105 wound around the ring 104 must be removed. However, as described above, the cover tape 105 is
4 is firmly wound with strong tension,
It cannot be easily removed from. For this reason, conventionally, the operator cuts the cover tape 105 in the direction of the dashed arrow with a cutter 106 or the like and removes the cover tape 105 from the ring 104. However, since the cover tape 105 is wound very firmly, the cutting operation is extremely difficult,
There is a problem that it takes time, and the subsequent mounting work of the electronic components and the like are sequentially delayed, so that the stop time of the entire line becomes longer.

Accordingly, an object of the present invention is to solve the above-mentioned problems of the conventional means and to provide a tape feeder capable of easily removing the cover tape 6.

[0007]

To this end, the present invention provides a supply reel on which a tape enclosing electronic components is wound, a guide member for guiding the tape led out from the supply reel, and A pitch feeder for feeding the tape led out from the supply reel along the guide member, and a cover disposed between the supply reel and the pitch feeder to cover the tape led out from the supply reel. A peeling section for peeling off the tape, a take-up reel that winds up the peeled cover tape, and the take-up reel has a female disk having a ring-shaped female fitting portion protruding at the center of the inner surface, A male disk having a male fitting portion removably fitted to the female fitting portion protruding from the center of the inner surface, and an expansion / contraction ring attached to the outer peripheral surface of the female fitting portion in an expanded state. And this expansion ring It was to take up the cover tape
A tape feeder, wherein the outer peripheral surface of the female fitting portion is
Taper so that the diameter decreases toward the side.
The inner peripheral surface of the ring has a taper that matches the taper, and
A rib and a concave portion fitted to each other are formed in these tapers .

[0008]

According to the above configuration, when the take-up reel is used,
The take-up reel is assembled by attaching the expanding / contracting ring to the female fitting portion in an expanded state, fitting the female fitting portion and the male fitting portion, and attaching the female disk and the male disk. . afterwards,
By rotating the take-up reel, a cover tape is wound around the outer peripheral surface of the expansion / contraction ring.

At the time of reel exchange, the female fitting portion and the male fitting portion are separated from each other, the female disk and the male disk are removed, and then the expansion ring is pulled out from the female fitting portion so that the expansion / contraction ring contracts. The diameter and wound cover tape can be easily removed.

[0010]

Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a front view of the tape feeder. 1
Denotes a supply reel on which a tape 2 enclosing an electronic component P is wound. The supply reel 1 is attached to a rear portion of the guide member 3. The guide member 3 serves as a main body of the tape feeder and guides the tape 2 led out from the supply reel 1. Reference numeral 4 denotes a sprocket as pitch feed means, which is attached to a front portion of the guide member 3 and feeds the tape 2 led out from the supply reel 1 along the guide member 3 at a pitch.

Reference numeral 5 denotes a peeling portion, which is disposed on the guide member 3 between the supply reel 1 and the sprocket 4, and which is driven by the sprocket 4 from the tape 2 led out from the supply reel 1 to the cover tape. 6 is peeled off. Reference numeral 7 denotes a transfer head, which picks up the electronic component P from the tape 2 from which the cover tape 6 has been peeled off by the nozzle 8, and transfers and mounts the electronic component P on the substrate. Reference numeral 9 denotes a cutter, which sequentially cuts the tape 2 sent through the sprocket 4 into small pieces.

Reference numeral 10 denotes a take-up reel, which is mounted above the rear of the guide member 3 and firmly takes up the cover tape 6 peeled off by the peeling section 5 by driving a drive unit (not shown).

In FIG. 2, the take-up reel 10 has a female disk 12 having a ring-shaped female fitting portion 11 projecting from the center of the inner surface thereof, and a male fitting fitted to the female fitting portion 11. A male disk 14 with a fitting portion 13 protruding from the center of the inner surface, and an expansion / contraction ring 15 forcibly mounted on the outer peripheral surface of the female fitting portion 11 in an expanded state.
It is composed of The inner diameter of the expanding / contracting ring 15 is slightly smaller than the outer diameter of the female fitting portion 11 because the inner diameter of the expanding / reducing ring 15 is mounted on the outer peripheral surface of the female fitting portion 11 in an expanded state.

In FIG. 3, for the convenience of attachment and detachment, the outer peripheral surface of the female fitting portion 11 is reduced in diameter toward the distal end.
Taper 16 is formed, also on the inner peripheral surface of the expansion ring 15 has a taper 17 that matches the taper 16 is formed that. In addition, a cutout 18 (see FIG. 2) for cutting in the width direction is formed in a part of the expansion / contraction ring 15. Reference numerals 19 and 20 denote the inner peripheral surface of the expansion / contraction ring 15 and the female fitting portion 1.
A moderation rib and a concave portion formed on the outer peripheral surface of the ring 1, and the rib 19 elastically fits into the concave portion 20 to prevent the ring 15 from rotating. The rib 19 and the recess 20 have two taper 1
It may be formed on any of the sides 6 and 17.

This tape feeder has the above-described configuration, and the operation will be described next. When the take-up reel 10 is used, as shown in FIG.
Then, the taper 17 of the expansion / contraction ring 15 is opposed to each other, and each rib 19 is hooked on each recess 20, and the expansion / contraction ring 15 is mounted on the female fitting portion 11 in an expanded state. Next, the female fitting portion 11 and the male fitting portion 13 are fitted to each other, and the female disk 12 and the male disk 14 are attached, and the take-up reel 10 is assembled.

After that, in FIG.
0 is mounted above the rear part of the guide member 3, the supply reel 1 is mounted on the rear part of the guide member 3, and then the tape 2 is led out from the supply reel 1 so as to be along the guide member 3. The derived tape 2 is sequentially pitch-fed by the sprocket 4, and the cover tape 6 is peeled by the peeling section 5 in the middle of this pitch feeding. Next, the transfer head 7 is moved down onto the tape 2 from which the cover tape 6 has been peeled, and the electronic component P
Is picked up by the nozzle 8 and then the transfer head 7 is raised again and then moved onto the substrate to transfer and mount the electronic component P. After the electronic component P is picked up, the tape 2 is sequentially cut into small pieces by the cutter 9. The peeled cover tape 6 is sequentially wound around the take-up reel 10 by driving of a drive unit (not shown).

At the time of reel exchange, the take-up reel 10 is removed from the guide member 3, and then the female fitting portion 11 and the male fitting portion 13 are separated from each other in FIG. Remove (see also Fig. 4 ◆). In this state,
The cover tape 6 is firmly wound around the expansion / contraction ring 15 by strong tension as described above. Next, expansion ring 1
5 is removed from the female fitting portion 11 (see FIG. 4D). As a result, the expansion / reduction ring 15 attached to the female fitting portion 11 in the expanded state is reduced in diameter by its own elasticity, so that the gap 21 between the wound cover tape 6 and the expansion / reduction ring 15 (FIG. 4). □), and the cutter 106 (FIG. 5)
(See FIG. 3), the cover tape 6 can be easily removed while being bundled in a wound state without the troublesome trouble of cutting the cover tape 6.

[0019]

As described above , according to the present invention , the cover tape wound on the take-up reel can be easily removed while being bundled in a wound state without using a cutter as in the prior art. it can. In addition, the outer peripheral surface of the female fitting
Tapered to reduce the diameter toward the side
The inner peripheral surface of the
By forming the rib and the concave part which fit each other in the taper
The female and male disks and the expansion ring
It is completely integrated and joined, and the cover tape is securely wound
be able to.

[Brief description of the drawings]

FIG. 1 is a front view of a tape feeder according to the present invention.

FIG. 2 is an exploded perspective view of a take-up reel used in the present invention.

FIG. 3 is a sectional view of the take-up reel.

FIG. 4 is an enlarged front view showing an operation of removing a cover tape wound around the take-up reel.

FIG. 5 is a front view of a take-up reel used in a conventional tape feeder.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 supply reel 2 tape 3 guide member 4 pitch feeding means 5 peeling part 6 cover tape 10 take-up reel 11 female fitting part 12 female disk 13 male fitting part 14 male disk 15 expansion / contraction rings 16, 17 taper 19 Rib 20 recess P electronic component

Claims (1)

(57) [Claims] A supply reel on which a tape enclosing electronic components is wound; a guide member for guiding the tape derived from the supply reel; and a guide member for guiding the tape derived from the supply reel. Pitch feeding means for feeding the pitch along the member, a peeling unit disposed between the supply reel and the pitch feeding means, for peeling a cover tape from the tape derived from the supply reel,
A take-up reel for taking up the peeled cover tape is provided. The take-up reel has a female disk having a ring-shaped female fitting portion projecting from the center of the inner surface, and is detachably attached to the female fitting portion. A male disk that has a male fitting part fitted to the
A tape feeder comprising an expansion / contraction ring attached to an outer peripheral surface of the female fitting portion in an expanded state, wherein the cover tape is wound around the expansion / contraction ring,
The outer peripheral surface is tapered so that the diameter decreases toward the tip end,
In addition, the inner peripheral surface of the expansion / contraction ring is
And a rib fitted to these tapers
A tape feeder having a recess formed therein .