WO2018173171A1

WO2018173171A1 - Tape feeder

Info

Publication number: WO2018173171A1
Application number: PCT/JP2017/011538
Authority: WO
Inventors: 武史藤城; 利律清水; 英之長谷川; 裕貴梶山
Original assignee: 株式会社Ｆｕｊｉ
Priority date: 2017-03-22
Filing date: 2017-03-22
Publication date: 2018-09-27
Also published as: JPWO2018173171A1; CN110383967A; CN110383967B; JP6764019B2

Abstract

A tape feeder, comprising: a projecting part (33) provided so as to interfere with a part-housing recess (22) projecting to the lower surface side of a part supply tape midway in a path for sending the part supply tape (13) pulled from a tape reel (14) to the peeling position of a cover tape (23); and a part attraction magnet (41) provided on the bottom surface of a tape passage (15) for sending the part supply tape that passed over this projecting part to a part suction position. When the part supply tape is pulled by the pitch feed operation of the tape feed mechanism and passes over the projecting part, by the part-housing recess that projects to the bottom surface side of the part supply tape going past the projecting part, the part supply tape is vibrated, the parts riding on the top edge of the part-housing recess are shaken off to the bottom surface of the part-housing recess, and by the magnetic force of the part attraction magnet, parts inside the part-housing recess are sent to a part suction position while being suctioned and held to the bottom surface.

Description

Tape feeder

This specification discloses a technology related to a tape feeder having a function of stabilizing the posture of a component in a component receiving recess of a component supply tape and sending it to a component suction position.

In general, a tape feeder sets a tape reel around which a component supply tape is wound, pitches the component supply tape pulled out from the tape reel by a tape feeding mechanism, and places the component supply tape in front of the component suction position. The cover tape (also called cover film, top tape, or top film) is peeled off from the upper surface, and the components in the component receiving recess of the component supply tape are sucked by the suction nozzle of the component mounting machine at the component suction position. ing.

Further, in the tape feeder described in Patent Document 1 (Japanese Patent Laid-Open No. 11-307992), a permanent magnet that attracts components in the component receiving recess of the component supply tape by magnetic force is installed below the component suction position. The magnetic attraction force prevents the component from popping out from the component receiving recess and the component rising at the time of component adsorption.

In addition, the tape feeder described in Patent Document 2 (Japanese Patent No. 4809506) is L-shaped across a region from the position three parts before the component receiving position to the component suction position from the component suction position. In addition to providing a permanent magnet with a shape, a vibrator that vibrates the component supply tape in the width direction is provided, and the vibration causes the component in the component receiving recess to be moved toward one side of the component receiving recess and attracted by the magnetic force of the permanent magnet. I try to keep it. In this case, the permanent magnet that attracts the component is formed in an L shape so that a magnetic force acts in a direction in which the component in the component accommodating recess is moved toward one side of the component accommodating recess.

Japanese Patent Laid-Open No. 11-307992 Japanese Patent No. 4809506

As shown in FIG. 5, the component supply tape 13 has an R-shaped upper edge of the component receiving recess 22, so that a gap is formed between the upper edge of the component receiving recess 22 and the cover tape 23. For this reason, when the component in the component accommodating recess 22 is a thin component, even if the upper surface of the component accommodating recess 22 is covered with the cover tape 23, a piece of the component in the component accommodating recess 22. In some cases, the edge rides on the upper edge of the component receiving recess 22, or both diagonal corners of the component ride on the upper edge of the component receiving recess 22 as shown in FIG. 6. Such a state occurs due to vibration during the pitch feeding operation of the component supply tape 13 (during operation of the component mounter), and also during the transportation or replacement of the tape reel 14 around which the component supply tape 13 is wound. May also occur. Further, there is a possibility that the component in the component receiving recess 22 is put on the upper edge of the component receiving recess 22 due to vibration or static electricity when the cover tape 23 is peeled before the component suction position.

However, in Patent Document 1, since the component in the component housing recess that has reached the component suction position is only attracted by a permanent magnet from below, the component in the component housing recess runs on the upper edge of the component housing recess. Even if it is in a state of being in a state, there is little effect to cancel the riding state.

On the other hand, in the above-mentioned Patent Document 2, the configuration is such that the component supply tape is provided with a vibrator that vibrates in the width direction and its drive source, so that not only the configuration becomes complicated and costly, but also on the side of the component supply tape. There is a disadvantage that it is necessary to secure a space for installing the vibrator, and the width of the tape feeder is increased. Moreover, the position where the vibrator is installed is near the component suction position, and there is a tape feed mechanism such as a sprocket that pitch-feeds the component supply tape below the component suction position. In a tape feeder that has a small empty space and has been thinned in recent years, it is difficult to install a vibrator and its drive source in the vicinity of a component suction position.

In order to solve the above-mentioned problem, a component is set in which a tape reel around which a component supply tape wrapped and accommodated in a component accommodating recess formed at a predetermined pitch is wound is set on a feeder body, and the component is pulled out from the tape reel. The supply tape is pitch-fed by the tape feed mechanism, the cover tape is peeled off from the upper surface of the component supply tape before the component suction position, and the component in the component receiving recess of the component supply tape is the component at the component suction position. In the tape feeder that is sucked by the suction nozzle of the mounting machine, the component receiving recess that protrudes to the lower surface side of the component supply tape in the course of sending the component supply tape pulled out from the tape reel to the peeling position of the cover tape; A projecting portion provided to interfere, and a tape path for sending the component supply tape that has passed over the projecting portion to the component suction position A component suction magnet provided on the bottom surface, and the component protruding to the lower surface side of the component supply tape when the component supply tape is pulled by the pitch feeding operation of the tape feeding mechanism and passes over the protruding portion When the housing recess gets over the protrusion, the component supply tape is vibrated, and the component riding on the upper edge of the component housing recess is shaken down to the bottom surface of the component housing recess. It is configured to send the component in the housing recess to the component suction position while sucking and holding the component on the bottom surface.

In this configuration, the component supply tape is vibrated by causing the component receiving recess protruding on the lower surface side of the component supply tape to interfere with the protrusion while applying tension to the component supply tape by the pitch feed operation of the tape feed mechanism. Therefore, the component supply tape can be vibrated simply by providing the tape feeder with a protrusion that interferes with the component receiving recess of the component supply tape, and the configuration is extremely simple. In addition, the position where the protrusion is provided can be anywhere in the path of sending the component supply tape pulled out from the tape reel to the cover tape peeling position. The tape feeder can be provided and is easily put into practical use, and an increase in the width of the tape feeder can be avoided. Furthermore, since the component suction magnet is provided on the bottom of the tape path that sends the component supply tape that has passed over the protrusion to the component adsorption position, the component supply tape that has passed over the protrusion passes through the tape path to the component adsorption position. Even if the component supply tape vibrates in the process, the component in the component receiving recess of the component supply tape is sucked and held on the bottom surface of the component receiving recess by the magnetic force of the component suction magnet and sent to the component suction position in a stable posture. be able to. The component supply tape that passes through the tape path peels off the cover tape before the component suction position, so vibration and static electricity are generated when the cover tape is peeled off. Since the components inside are attracted and held on the bottom surface of the component receiving recess by the magnetic force of the component suction magnet, the components in the component receiving recess are caused by the vibration and static electricity generated when the cover tape is peeled off. Riding on the upper edge can be prevented, and the components in the component receiving recess can be sent to the component suction position in a stable posture.

In this case, it is preferable to provide a tape pressing member that suppresses the lifting of the component supply tape that has passed over the protruding portion at least in the portion of the tape passage that is closer to the protruding portion. If the lifting of the component supply tape that has passed over the protrusion is suppressed by the tape pressing member, the component receiving recess of the component supply tape can be made to more reliably interfere with the protrusion, and the component supply from the component suction magnet You can also suppress the lifting of the tape.

Here, the tape pressing member may be formed of a non-magnetic material (for example, a non-magnetic metal such as plastic, aluminum, or copper). If the tape pressing member is made of a magnetic material such as iron, the tape holding member may become magnetized due to the magnetism of the component suction magnet as the usage period increases, and the component posture stabilization effect of the component suction magnet may decrease. Because there is.

Further, at least a portion of the component attraction magnet located below the tape pressing member is configured to be vertically displaceable, and the portion is pushed up or pulled up by an elastic member to be between the tape pressing member and the component. The supply tape may be sandwiched. If it does in this way, a component attraction | suction magnet can be reliably made to contact the lower surface of the component accommodation recessed part of a component supply tape by an elastic member, and the component in a component accommodation recessed part can be reliably attracted | sucked by the magnetic force of a component attraction magnet.

Alternatively, the tape pressing member may be supported so as to be vertically displaced, and the component pressing tape may be sandwiched between the component suction magnet by pressing or pulling down the tape pressing member with an elastic member. Even in this case, the lower surface of the component accommodating recess of the component supply tape can be reliably brought into contact with the component suction magnet by the elastic member, and the component in the component accommodating recess can be reliably attracted and held by the magnetic force of the component attracting magnet.

The component attraction magnet may be configured by arranging a plurality of magnets in a row on the bottom surface of the tape passage, but in this configuration, the magnetic force fluctuates at the joint of the plurality of magnets, and the component in the component receiving recess Therefore, the component attraction magnet may be constituted by a single magnet sheet or magnet plate formed in a tape shape.

Further, it is desirable that the component attraction magnet is magnetized so that the N-pole magnetized region and the S-pole magnetized region extend in the feed direction of the component supply tape. In this way, uniform magnetism can be continuously applied from the component suction magnet to the component in the component receiving recess that is sent to the component suction position on the component suction magnet provided on the bottom surface of the tape passage. It is possible to send the component in the component receiving recess to the component suction position in a more stable posture.

Further, the protrusion may be configured to be adjustable in height or replaceable with a different height. For example, by adjusting the height of the protrusion, the amount of vibration applied to the component supply tape can be adjusted by adjusting the amount of interference between the protrusion and the component receiving recess. Also, since the height of the component receiving recess also changes depending on the type of component supply tape to be used, if the height of the protrusion is adjusted according to the height of the component receiving recess, the components having different heights of the component receiving recess Also with respect to the supply tape, the amount of interference between the component housing recess and the protrusion (the strength of vibration applied to the component supply tape) can be adjusted appropriately.

FIG. 1 is a perspective view of a tape feeder according to an embodiment. FIG. 2 is a partially enlarged view for explaining the function of applying vibration to the component supply tape. FIG. 3 is an enlarged perspective view showing the function of applying vibration to the component supply tape, broken along line III-III in FIG. FIG. 4 is an enlarged cross-sectional view showing a structure in which the component suction magnet is pushed up and the component supply tape is sandwiched between the component suction magnet and the tape pressing member, broken along line IV-IV in FIG. FIG. 5 is a partially enlarged cross-sectional view of the component supply tape showing a state where one edge of the component in the component receiving recess of the component supply tape rides on the upper edge of the component receiving recess. FIG. 6 is a partially enlarged plan view of the component supply tape showing a state in which the four-direction corners of the component in the component storage recess of the component supply tape ride on the upper edge of the component storage recess. FIG. 7 is a partially enlarged plan view showing a magnetization pattern of the component attraction magnet.

An example will be described below.

First, the configuration of the tape feeder will be described with reference to FIG.

The tape reel 14 around which the embossed component supply tape 13 is wound can be detachably set on the handle 12 side of the feeder main body 11 of the tape feeder. A tape passage 15 is provided on the upper surface of the feeder body 11 to send the component supply tape 13 drawn from the tape reel 14 to the component suction position. A tape feeding mechanism (not shown) that pitch-feeds the component supply tape 13 set in the tape passage 15 to the component suction position is provided on the back side of the feeder main body 11 (the side opposite to the handle portion 12). . A communication connector 16 connected to a connector (not shown) on the component mounter side and positioning pins 17 and 18 for determining an attachment position with respect to the component mounter are provided on the rear end surface of the feeder main body 11.

In general, as shown in FIGS. 5 and 6, the component supply tape 13 stores components one by one in each component receiving recess 22 embossed in a line at a constant pitch on a resin carrier tape 21. By attaching the cover tape 23 to the upper surface of the tape 21 in a peelable manner, the upper surface opening of each component housing recess 22 is closed with the cover tape 23. As shown in FIG. 6, at the side edge of the carrier tape 21 of the component supply tape 13, feed holes 24 are formed in a row at a constant pitch with a constant positional relationship with each component receiving recess 22. The sprocket (not shown) of the tape feed mechanism is meshed with teeth, and the sprocket is intermittently rotated by a predetermined angle by a motor (not shown) such as a stepping motor, thereby moving the component supply tape 13 to the component suction position. Feed the pitch. Although not shown, the sprocket is disposed below the component suction position, and the cover tape 23 is peeled off from the upper surface of the component supply tape 13 before this component suction position, so that the components in the component receiving recess 22 are exposed. become.

A vibration applying unit 31 for applying vibration to the component supply tape 13 is attached to the feeder main body 11 with a screw 32 or the like in the course of feeding the component supply tape 13 pulled out from the tape reel 14 to the peeling position of the cover tape 23. Yes. As shown in FIGS. 2 and 3, the vibration applying unit 31 is provided with a projection 33 so as to interfere with the component receiving recess 22 protruding to the lower surface side of the component supply tape 13. The protrusion 33 is formed of a metal plate, a leaf spring, or the like, and is attached to the base member 35 of the vibration applying unit 31 in a replaceable manner with a screw 34 or the like. For example, the intensity of vibration applied to the component supply tape 13 can be adjusted by adjusting the amount of interference between the projection 33 and the component receiving recess 22 by replacing the projection 33 with one having a different height. it can. Further, since the height of the component receiving recess 22 also changes depending on the type of the component supply tape 13 to be used, the component receiving recess 22 can be obtained by replacing the projection 33 with a height corresponding to the height of the component receiving recess 22. The amount of interference between the component receiving recess and the projection 33 (the strength of vibration applied to the component supply tape 13) can be adjusted appropriately for the component supply tape 13 having different heights. The protrusion 33 may be provided on the base member 35 of the vibration applying unit 31 so that the height can be adjusted.

Furthermore, a tape pressing member 36 that suppresses the lifting of the component supply tape 13 that has passed over the protrusion 33 is attached to the base member 35 of the vibration applying unit 31 with a screw 37 or the like. The tape pressing member 36 is made of a non-magnetic material (for example, non-magnetic metal such as plastic, aluminum, copper, etc.) so as not to be magnetized.

A component suction magnet 41 is provided over the entire length of the bottom surface of the tape passage 15 for sending the component supply tape 13 that has passed over the protrusion 33 to the component suction position. The component of the component supply tape 13 is generated by the magnetic force of the component suction magnet 41. It is configured to send the component in the housing recess 22 to the component suction position while sucking and holding the component on its bottom surface. The component suction magnet 41 extends from a position below the tape pressing member 36 close to the protrusion 33 to a position slightly beyond the component suction position.

In this case, the component attracting magnet 41 may be configured by arranging a plurality of magnets in a row on the bottom surface of the tape passage 15. However, in this configuration, the magnetic force fluctuates at the joint of the plurality of magnets to accommodate the components. There is a possibility that the posture of the component in the recess 22 becomes unstable. Therefore, in the present embodiment, the component attraction magnet 41 is constituted by a single magnet sheet or magnet plate formed in a tape shape.

Further, as shown in FIG. 7, the component attraction magnet 41 is magnetized so that the N-pole magnetized region and the S-pole magnetized region extend in the feed direction of the component supply tape 13, so The component in the component receiving recess 22 moving on the suction magnet 41 is sent to the component suction position while maintaining the state of straddling the N pole and S pole of the component suction magnet 41. In this way, uniform magnetism can be continuously applied from the component suction magnet 41 to the component in the component receiving recess 22 sent to the component suction position on the component suction magnet 41 on the bottom surface of the tape passage 15. It is possible to send the components in the component receiving recess 22 to the component suction position in a more stable posture.

Further, at least a portion of the component attraction magnet 41 located below the tape pressing member 36 is formed to be vertically displaceable, and as shown in FIGS. An elastic member 42 such as a spring or rubber that pushes up the component suction magnet 41 is provided at a position corresponding to the lower side of the tape pressing member 36, and the component suction magnet 41 is pushed up by the elastic member 42. The component supply tape 13 is sandwiched between the tape pressing member 36 and the tape pressing member 36. Accordingly, the component suction magnet 41 can be reliably brought into contact with the lower surface of the component housing recess 22 of the component supply tape 13 by the elastic member 42, and the components in the component housing recess 22 can be reliably sucked and held by the magnetic force of the component suction magnet 41. I am doing so.

When performing an operation of setting the component supply tape 13 pulled out from the tape reel 14 to the tape passage 15 when the tape reel 14 is exchanged, the operator pushes down the component suction magnet 41 with a fingertip or the like and presses the component suction magnet 41. The gap between 41 and the tape pressing member 36 is widened, and the component suction magnet 41 is inserted into the gap and set in the tape passage 15.

In this embodiment, the tape pressing member 36 is fixed to the base member 35 of the vibration applying unit 31, but the tape pressing member 36 is provided on the base member 35 of the vibration applying unit 31 by a hinge or the like so as to be opened and closed. When the component supply tape 13 is set, the tape pressing member 36 is opened, and after the component supply tape 13 is set, the tape pressing member 36 is closed and the tape pressing member 36 is held in a closed state by a clamp mechanism or the like. Also good. Alternatively, the tape pressing member 36 may be detachably attached to the base member 35 of the vibration applying unit 31 by an engagement mechanism or the like, and the tape pressing member 36 may be removed when the component supply tape 13 is set.

Therefore, in the present embodiment, when the component supply tape 13 is pulled by the pitch feed operation of the tape feed mechanism and passes over the protrusion 33, the component receiving recess 22 protruding to the lower surface side of the component supply tape 13 is The component feeding tape 13 is vibrated by climbing over the protrusion 33 and the component riding on the upper edge of the component receiving recess 22 is shaken off to the bottom surface of the component receiving recess 22, and the component attracting magnet 41 uses the magnetic force of the component. The components in the housing recess 22 are sent to the component suction position while being sucked and held on the bottom surface.

In this configuration, the component supply tape 13 is caused to interfere with the protrusion 33 by causing the component receiving recess 22 protruding to the lower surface side of the component supply tape 13 to be tensioned by the pitch feed operation of the tape feed mechanism. Since it is made to vibrate, the component supply tape 13 can be vibrated simply by providing the protrusion 33 which interferes with the component accommodation recessed part 22 of the component supply tape 13 in a tape feeder, and a structure is very simple and low cost. Can meet the demand for

In addition, the position at which the protrusion 33 is provided (the position at which the vibration applying unit 31 is provided) may be anywhere along the path for sending the component supply tape 13 drawn from the tape reel 14 to the peeling position of the cover tape 23. In addition, the projection 33 (vibration applying unit 31) can be provided by selecting a position where there is room in the space, which is easy to put into practical use and avoids an increase in the width dimension of the tape feeder.

Further, since the component suction magnet 41 is provided on the bottom surface of the tape passage 15 for sending the component supply tape 13 that has passed over the protrusion 33 to the component suction position, the component supply tape 13 that has passed over the protrusion 33 is connected to the tape passage 15. Even if the component supply tape 13 vibrates in the process of passing through the component suction position, the component in the component receiving recess 22 of the component supply tape 13 is attracted to the bottom surface of the component receiving recess 22 by the magnetic force of the component suction magnet 41. While being held, it can be sent to the component suction position in a stable posture.

The component supply tape 13 passing through the tape passage 15 is peeled off before the component suction position, and thus vibration and static electricity are generated when the cover tape 23 is peeled off. However, since the components in the component receiving recess 22 are attracted and held on the bottom surface of the component receiving recess 22 by the magnetic force of the component suction magnet 41, the component receiving recess is caused by vibration or static electricity generated when the cover tape 23 is peeled off. It is possible to prevent the components in 22 from riding on the upper edge of the component receiving recess 22 and to send the components in the component receiving recess 22 to the component suction position in a stable posture.

In addition, in this embodiment, the tape pressing member 36 that suppresses the rising of the component supply tape 13 that has passed over the protruding portion 33 is provided in at least the portion of the tape passage 15 that is close to the protruding portion 33. The lift of the component supply tape 13 that has passed over the protrusion 33 can be suppressed, the component receiving recess 22 of the component supply tape 13 can be made to interfere with the protrusion 33 more reliably, and from the component suction magnet 41. The lifting of the component supply tape 13 can also be suppressed.

Further, at least a portion of the component suction magnet 41 positioned below the tape pressing member 36 is formed to be vertically displaceable, and the component suction magnet 41 and the tape pressing member are pushed up by the elastic member 42. Since the component supply tape 13 is sandwiched between the component receiving tape 36 and the elastic member 42, the component attraction magnet 41 is securely brought into contact with the lower surface of the component receiving recess 22 of the component supply tape 13. The component can be reliably sucked and held by the magnetic force of the component suction magnet 41.

In this embodiment, the component attracting magnet 41 is pushed up by the elastic member 42, but the component attracting magnet 41 may be pulled up.

Alternatively, the tape pressing member 36 may be supported so as to be vertically movable, and the component pressing tape 36 may be sandwiched between the component suction magnet 41 by pressing or lowering the tape pressing member 36 with an elastic member. Even in this case, the lower surface of the component accommodating recess 22 of the component supply tape 13 is reliably brought into contact with the component suction magnet 41 by the elastic member, and the component in the component accommodating recess 22 is reliably attracted by the magnetic force of the component attracting magnet 41. Can hold.

In addition, the present invention is not limited to the above-described embodiments. For example, various modifications may be made without departing from the spirit of the invention, such as changing the shape of the protrusion 33 or changing the configuration of the tape feeder. Needless to say, you can.

DESCRIPTION OF SYMBOLS 11 ... Feeder main body, 13 ... Component supply tape, 14 ... Tape reel, 15 ... Tape path, 21 ... Carrier tape, 22 ... Component accommodation recessed part, 23 ... Cover tape, 24 ... Feed hole, 31 ... Vibration imparting unit, 33 ... Projection part, 35 ... base member, 36 ... tape pressing member, 41 ... component suction magnet

Claims

A tape reel wound with a component supply tape that contains and wraps the component in a component receiving recess formed at a predetermined pitch is set on the feeder body, and the component supply tape drawn from the tape reel is pitched by a tape feed mechanism. The cover tape is peeled off from the upper surface of the component supply tape before the component suction position, and the component in the component receiving recess of the component supply tape is sucked by the suction nozzle of the component mounting machine at the component suction position. In the tape feeder,
A protrusion provided to interfere with the component receiving recess protruding to the lower surface side of the component supply tape in the middle of a path for sending the component supply tape pulled out from the tape reel to the peeling position of the cover tape;
A component suction magnet provided on the bottom surface of the tape path for sending the component supply tape that has passed over the protrusion to the component suction position;
When the component supply tape is pulled by the pitch feed operation of the tape feeding mechanism and passes over the protrusion, the component receiving recess protruding on the lower surface side of the component supply tape gets over the protrusion, thereby the component. While vibrating the supply tape, the component riding on the upper edge of the component receiving recess is shaken down to the bottom surface of the component receiving recess, and the components in the component receiving recess are attracted and held by the magnetic force of the component suction magnet. A tape feeder configured to send to the component suction position.
2. The tape feeder according to claim 1, wherein a tape pressing member that suppresses lifting of the component supply tape that has passed over the protruding portion is provided in at least a portion of the tape path that is closer to the protruding portion.
The tape feeder according to claim 2, wherein the tape pressing member is made of a nonmagnetic material.
At least a portion of the component suction magnet located below the tape pressing member is configured to be vertically displaceable, and elastically sandwiches the component supply tape with the tape pressing member by pushing up or pulling up the portion. The tape feeder according to claim 2 or 3, wherein a member is provided.
The tape pressing member is supported so as to be vertically displaceable, and an elastic member is provided that sandwiches the component supply tape with the component suction magnet by pushing down or pulling down the tape pressing member. The tape feeder described.
The tape feeder according to any one of claims 1 to 5, wherein the component attraction magnet is constituted by a single magnet sheet or magnet plate formed in a tape shape.
The tape feeder according to claim 6, wherein the component attraction magnet is magnetized so that an N-pole magnetized region and an S-pole magnetized region extend in a feeding direction of the component supply tape.
The tape feeder according to any one of claims 1 to 7, wherein the protrusion is configured to be adjustable in height or replaceable with a different height.