KR101056167B1 - Reel pocket of tape feeder - Google Patents

Abstract

The present invention relates to a reel pocket of a tape feeder.

The present invention, the pocket plate is coupled to one side of the base plate for supporting the reel, the component tape is wound, at least one rotation guide for guiding the rotation of the reel, the component tape is wound between the base plate and the pocket plate A tape feeder having a roller and a reel spacer and having a tape guide roller for guiding the progress of the component tape between the support plates coupled to the base plate, wherein the rotation guide roller has a first side on which one side of the reel is supported. The outer diameter portion and the second outer diameter portion having a smaller diameter than the first outer diameter portion so as not to contact the step is configured to be stepped to pinch the parts, as well as to improve the rotational failure of the reel.

Description

Reel pocket for tape feeder

1 is a structural diagram of a conventional tape feeder.

2 is a cross-sectional view taken along the line A-A of FIG.

Figure 3 is a perspective view showing the structure of a rotating guide roller according to an embodiment of the present invention.

Figure 4 is a schematic perspective view showing the rotation guide roller and the tape guide roller is installed in the reel pocket of the tape feeder according to an embodiment of the present invention.

5 is a cross-sectional view taken along the line B-B of Figure 4 as an embodiment of the present invention.

6 is a cross-sectional view taken along the line C-C of Figure 4 as an embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

110; Base plate

120; Cover plate

130; Support plate

200; Rotary guide roller

210; Tape Guide Roller

The present invention relates to a reel pocket of a tape feeder, and more particularly, to a reel pocket of a tape feeder having an improved structure so as to smoothly rotate a reel component installed inside a pocket.

In general, a surface mounting device (SMD) is widely used to mount an electronic component on a printed circuit board (PCB).

The surface mounting apparatus is a core equipment for mounting a component on a printed circuit board. The surface mounting apparatus receives a component from a component supplier and transfers the component to a mounting position of the printed circuit board and then mounts the component on a printed circuit board.

Such a surface mounting apparatus includes a tape feeder for supplying mounting components, an X-Y table for determining a working position such as positioning of a printed circuit board, and a head portion for picking up and transferring the components to a printed circuit board.

Tape feeders are widely used because they can supply chips at high speed and in large quantities, and the head portion is picked up by vacuum suction by a nozzle of a head that picks and places an electronic component provided in the feeder. do.

At this time, the tape feeder inserts the electronic component into the pocket of the component tape, tapes the inserted electronic component into the tape cover, and winds the component tape on the supply reel and supplies the feeder to the feeder. As the tape cover is removed, the picker feeds one pitch to pick up the mounting components.

On the other hand, the conventional tape feeder is provided with the pocket 2 in which the supply reel 1 by which the component tape was wound is provided like FIG.

The inside of the pocket 2 is provided with a plurality of rollers 3 or pins for supporting the rotational peripheral portion of the supply reel 1 and the supply portion of the component tape for smooth rotation of the supply reel 1.

However, although the rollers 3 or pins are cylindrical, they smoothly induce the rotation of the component tape, while a part of the component tape is placed on the side plate and the rollers (or pins) of the pocket 2 when the component tape is placed in an unstable position. (3) is sandwiched between the gaps provided between the rather hindered component rotation.

In addition, when such a problem occurs, the rotation is not performed smoothly, and the degree of discarding of the parts is increased due to the degree of deterioration.In the extreme situation, the part tape is caught in the pocket (2) so that the parts are no longer supplied and the equipment is operated. This happens when it is interrupted.

Therefore, the present invention has been made to solve the above-mentioned conventional problems, in the tape feeder for supplying the component tape to configure a stepped roller in the pocket, to improve the rotation of the component tape in the pocket It is, of course, an object of the present invention to provide a reel pocket of a tape feeder that can improve the feeding error of the tape due to pinching of the reel.

Reel pocket of the tape feeder according to the present invention for achieving the above object,

The pocket plate is coupled to one side of the base plate supporting the reel on which the component tape is wound, and between the base plate and the pocket plate, at least one rotation guide roller and a reel spacer for guiding rotation of the reel on which the component tape is wound. In the tape feeder provided with a tape guide roller for guiding the progress of the component tape between the support plate coupled to the base plate,

The rotation guide roller is characterized in that it is configured to be stepped into a first outer diameter portion that is supported on one side of the reel, and a second outer diameter portion having a diameter smaller than the first outer diameter portion so that the reel does not contact.

According to another aspect, the first outer diameter portion is characterized in that the outer peripheral surface is tapered to minimize the friction caused by the reel contact.

According to yet another aspect, the first outer diameter portion is rotatably installed through the pocket plate, the second outer diameter portion is characterized in that configured to be axially supported on the base plate.

According to another aspect, the tape guide roller is provided with a third outer diameter portion on which the tape is supported and a fourth outer diameter portion having an outer diameter smaller than the third outer diameter portion, and the third outer diameter portion rotates through the base plate. It is possible to install, the fourth outer diameter portion is characterized in that configured to be axially supported on the support plate.

Hereinafter, the reel pocket of the tape feeder in the embodiment of the present invention will be described with reference to the drawings.

Figure 3 is a perspective view showing the structure of the rotary guide roller according to an embodiment of the present invention, Figure 4 is a schematic diagram showing the installation state of the rotary guide roller and the tape guide roller in the reel pocket of the tape feeder according to an embodiment of the present invention. It is a perspective view.

FIG. 5 is a cross-sectional view taken along the line B-B of FIG. 4 as an embodiment of the present invention, and FIG. 7 is a cross-sectional view taken along the line C-C of FIG. 4 as an embodiment of the present invention.

As shown in FIGS. 3 and 4, the reel pocket of the tape feeder has a base plate 110 on which a reel (not shown) on which a component tape (not shown) is wound.

And it has a pocket plate 120 which is partially overlapped and coupled to the lower one side of the base plate 110.

In addition, the support plate 130 is installed at a portion where the tape is supplied to the front side of the base plate 110.

In addition, at least one rotation guide roller 200 and a reel spacer 200a interposed therebetween and guiding the rotation of the reel in which the component tape is wound is formed inside the overlapped portion of the base plate 110 and the pocket plate 120. In this embodiment, three rotary guide rollers 200 are provided.

In addition, between the base plate 110 and the support plate 130 is provided with a tape guide roller 210 for guiding the progress of the component tape.

As shown in FIGS. 3 and 5, the rotation guide roller 200 is formed to have a smaller diameter than the first outer diameter portion 201 and the first outer diameter portion 201 where one side of the reel is supported. And a second outer diameter portion 202 such that the stepped portion 204 is formed therebetween.

The first outer diameter portion 201 is rotatably installed through the pocket plate 120, and the second outer diameter portion 202 is supported by the shaft 203 passing through the roller to the base plate 110. Is installed.

In addition, a roller washer 201a is coupled to one surface of the first outer diameter portion 201, and the coupling is performed by a screw 201b.

In addition, the first outer diameter portion 201 is configured to taper the outer circumferential surface to minimize friction due to reel contact.

Meanwhile, the tape guide roller 210 has a third outer diameter portion 211 on which the tape is supported, as shown in FIGS. 4 and 6, and an outer diameter smaller than the third outer diameter portion 211, and a step portion 214 therebetween. ) Is provided with a fourth outer diameter portion 212 to be formed.

The third outer diameter portion 211 is rotatably installed through the base plate 110, and the fourth outer diameter portion 212 is formed through the tape guide roller 210 on the support plate 130. ) Is supported and configured.

In the embodiment of the present invention, the reel pocket of the tape feeder does not have a separate pin structure, and the support and supply of the reel and the component tape are made by the above-described rotary guide roller 200 and the tape guide roller 210. To lose.

Here, the third outer diameter portion 211 of the tape guide roller 210 is also configured to taper its outer surface in the same manner as the first outer diameter portion 201 of the rotary guide roller 200.

Hereinafter, an operation state of the reel pocket 100 of the tape feeder according to the embodiment of the present invention configured as described above will be described with reference to FIGS. 3 to 6.

In the following description, the general operation of the tape feeder is similar to the prior art, and since it has already been described in the description of the prior art, the repetitive description is omitted.

In the pocket of the tape feeder a reel for supplying the component tape is seated.

The reel is seated inside the pocket by a separate shaft support, the outer diameter of the reel is located in the overlapping portion of the base plate 110 and the pocket plate 120 of the pocket to guide the rotation.

The above-mentioned rotation guide roller 200 is installed between the base plate 110 and the pocket plate 120 at which the outer diameter of the reel is located.

And one side of the outer diameter of the reel is supported on the first outer diameter portion 201 of the rotary guide roller 200, the other side of the outer diameter of the reel is located on the second outer diameter portion 202 of the rotary guide roller 200, It is not in contact with the second outer diameter portion 202.

Therefore, since the first outer diameter portion 201 penetrates the base plate 110, there is no fear that one side of the reel may be caught between the first outer diameter portion 201 and the base plate 110.

In addition, since the second outer diameter portion 202 does not come into contact with the outer diameter of the reel and a sufficient separation space is secured, the component tape is prevented from being caught, and the outer surface of the first outer diameter portion 201 is tapered. Since it is possible to minimize the friction of the reel in contact with the first outer diameter portion 201 to improve the rotational failure of the reel.

On the other hand, in the tape guide roller 210, like the rotary guide roller 200, since the third outer diameter portion 211 is installed through the base plate 110, the pinching of the tape does not occur, and the fourth outer diameter portion ( 212), since sufficient space is secured from the component tape, it is possible to prevent the tape from jamming.

In addition to the above-described embodiment of the present invention, each component may be modified in some ways. For example, the through and shaft mounting portions of the guide rollers may be reversed and installed. However, if the basic components of these embodiments include the essential components of the present invention all should be considered to be included in the technical scope of the present invention.

As described above, the reel pocket of the tape feeder according to the present invention comprises a roller in which the first and second outer diameter portions are stepped on each other so as not to rotate in the pocket in the tape feeder for supplying the component tape. It is possible to prevent the jamming of and to further taper the outer surface of the first outer diameter portion in contact with the reel to improve the reel rotational force and to prevent an error in conveying the component tape.

Claims (4)

A pocket plate is coupled to one side of the base plate supporting the reel on which the component tape is wound, and at least one rotation guide roller and a reel spacer are formed between the base plate and the pocket plate to guide rotation of the reel on which the component tape is wound. In the tape feeder provided with a tape guide roller for guiding the progress of the component tape between the support plate coupled to the base plate, The rotation guide roller is a step of reeling the tape feeder characterized in that the step is configured to the first outer diameter portion that is supported on one side of the reel, and the second outer diameter portion having a diameter smaller than the first outer diameter portion so that the reel does not contact pocket. The reel pocket of a tape feeder as claimed in claim 1, wherein the first outer diameter portion is configured to taper the outer circumferential surface to minimize friction due to reel contact. The reel pocket of a tape feeder as claimed in claim 1, wherein the first outer diameter portion is rotatably installed through the pocket plate, and the second outer diameter portion is axially supported by the base plate. The tape guide roller of claim 1, wherein the tape guide roller comprises a third outer diameter portion on which the tape is supported, and a fourth outer diameter portion having an outer diameter smaller than the third outer diameter portion, and the third outer diameter portion rotates through the base plate. Reel pocket of the tape feeder, wherein the fourth outer diameter portion is axially supported by the support plate.

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