JP4809506B2 - Tape feeder and carrier tape feeding method using the same - Google Patents

Description

  The present invention relates to a tape feeder.

  Conventionally, there is a component mounting apparatus as an apparatus for mounting an electronic component (hereinafter simply referred to as “component”) on a substrate. In the component mounting apparatus, a mounting head takes out a component from a tape feeder by a suction nozzle and transfers and mounts it on a substrate. The tape feeder feeds a carrier tape having a plurality of rectangular component storage portions (cavities) for storing components at predetermined intervals in the feed direction, and conveys the components to a component removal area where the components are removed. As a technique regarding a tape feeder, there exist some which were described in patent documents 1 and 2, for example.

  In the tape feeders of Patent Documents 1 and 2, a magnet is provided below the entire bottom surface of the component storage unit fed to the component removal area. Thereby, the standing of the component in a component storage part, etc. are suppressed.

JP 2000-228600 A JP 2009-212194 A

  However, the storage positions of the components in the component storage section are different in each of the component storage sections even in the same carrier tape. Therefore, when the component is taken out by the mounting head, a positional deviation (suction deviation) from the suction position of the predetermined component occurs, and as a result, the positional accuracy of the component mounting is deteriorated. For example, the carrier tapes of different parts manufacturers differ in the gap amount of the parts storage part (the total gap in the same direction on the plane between the side surface of the parts storage part and the parts in a predetermined direction) as shown in FIG. In addition, as the gap amount of the component storage portion increases, the amount of positional deviation increases, and a suction error is likely to occur. On the other hand, if the gap amount of the component storage portion becomes too small, the positional deviation amount increases as it becomes smaller, and a suction error is likely to occur. That is, if the gap amount of the component storage portion is not within the predetermined range (the range indicated by the arrow in FIG. 19), a suction error is likely to occur. Therefore, in component mounting using carrier tapes of different manufacturers, it is difficult to stably control the gap amount of the component storage portion, and suction mistakes, standing suction and the like are likely to occur.

  In the case of a small-sized component, the gap amount in the component storage portion is inevitably large. Further, when taking out a small-sized component, the influence of the adsorption deviation is large, and even if the adsorption deviation is small, the component cannot be taken out, and an adsorption error is likely to occur. Therefore, when mounting a small-sized component, it is particularly strongly desired to reduce the adsorption deviation.

  SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a tape feeder capable of reducing the adsorption deviation and a carrier tape feeding method using the tape feeder.

  In order to achieve the above object, a tape feeder according to an aspect of the present invention is a feeder that feeds out a plurality of carrier tapes each having a rectangular component storage portion provided at predetermined intervals in the feeding direction, and is fed to a component pick-up area. Further, below the bottom surface of the component storage unit, the component of the component storage unit that is provided to extend in the feeding direction below one side in the width direction of the bottom surface and is sent to the component take-out region is one side in the width direction. It has the 1st magnetic field area | region to attract.

  As a result, in the component take-out area, the components in the component storage unit are drawn to one end of the component storage unit by the first magnetic field region. As a result, the components in all the component storage units are aligned near the end on one side of the component storage unit in the component take-out area, so that the adsorption deviation can be reduced.

  Here, the tape feeder is further provided at the rear of the feeding direction with respect to the first magnetic field region below the bottom surface of the component storage unit that has been sent to the component take-out region. You may provide the 2nd magnetic field area | region which draws the components of the sent component storage part back in the said feed direction. Furthermore, the first magnetic field region is composed of a first magnet, the second magnetic field region is composed of a second magnet, and the first magnet and the second magnet are integrated into an L-shape. You may comprise the magnet.

  As a result, the components in the component storage section that move in the feed direction in the component take-out area are drawn to the rear end in the feed direction of the component storage section by using the force of feeding the tape by the second magnetic field area. As a result, the components in all the component storage units are aligned near the corners of the component storage unit in the component take-out area, so that the adsorption deviation can be further reduced.

  The first magnet may be provided below half of the bottom surface.

  Thereby, since the force which draws the component of a component storage part by a 1st magnet is too strong, it can suppress that a component stands or it becomes impossible to adsorb components by an adsorption nozzle.

  The first magnet may be made of an elastic body.

  Thereby, even if the thickness of a carrier tape changes, the force which a component and a carrier tape receive by a suction nozzle in taking out components can be absorbed.

  The tape feeder further includes a plate-like elastic member that supports a bottom surface of the component storage unit that has been sent to the component removal region, and the first magnet has the bottom surface of the elastic member placed thereon. You may affix on the surface on the opposite side to the side.

  Thereby, the attachment of the first magnet is facilitated, and the adsorption deviation can be reduced with a simple configuration. Further, the magnetic force is inversely proportional to the square of the distance, but the distance between the first magnet and the carrier tape can be made constant, so that the force that draws the component by the first magnet can be controlled.

  In addition, the first magnet may be provided below the bottom surfaces of the plurality of component storage portions sent to the component take-out area.

  As a result, the components in all the component storage units are aligned with one end of the component storage unit with a high probability in the component extraction region, so that the adsorption deviation can be further reduced.

  The front end of the first magnet in the feed direction may be provided below a quarter of the area of the bottom surface.

  As a result, it is possible to prevent the component from being sucked by the suction nozzle because the force for attracting the component in the component storage unit at the component take-out position by the first magnet is too strong.

  The carrier tape feeding method according to one aspect of the present invention is a method for feeding out a carrier tape in which a plurality of rectangular component storage portions are provided at predetermined intervals in the feeding direction in a tape feeder, wherein the component is removed from the tape feeder. The components of the component storage unit sent to the area are drawn to one side in the width direction of the bottom surface of the component storage unit and to the rear in the feed direction.

  Thereby, adsorption | suction deviation | shift can be made small.

  According to the present invention, since the suction deviation can be reduced, it is possible to absorb the variation of the cavities, align the component take-out positions, and stabilize the component suction rate and the mounting quality.

FIG. 1 is a top view of a component mounter according to an embodiment of the present invention. FIG. 2 is a perspective view of the tape feeder according to the embodiment. FIG. 3 is a perspective view of the carrier tape of the same embodiment. FIG. 4 is a perspective view of the presser cover according to the embodiment. FIG. 5 is a perspective view of the leaf spring of the same embodiment. FIG. 6 is a perspective view of the magnet of the same embodiment. FIG. 7 is a plan view showing the positional relationship between the magnet and the carrier tape. FIG. 8 is a plan view showing a state in which the position of the component in the component storage unit is changed by the magnet. FIG. 9 is a cross-sectional view showing a state in which the position of a component in the component storage unit is changed by a magnet. FIG. 10A is a diagram showing an adsorption shift in the width direction of each sample sent continuously. FIG. 10B is a diagram showing an adsorption shift in the feeding direction of each sample sent continuously. FIG. 10C is a diagram illustrating the adsorption deviation in the width direction and the feeding direction of each sample fed continuously. FIG. 11A is a diagram showing an adsorption shift in the width direction of each sample sent continuously. FIG. 11B is a diagram illustrating an adsorption shift in the feeding direction of each sample sent continuously. FIG. 11C is a diagram illustrating the adsorption deviation in the width direction and the feeding direction of each sample that is continuously fed. FIG. 12A is a diagram showing a suction shift in the width direction of each sample sent continuously. FIG. 12B is a diagram showing an adsorption shift in the feeding direction of each sample sent continuously. FIG. 12C is a diagram illustrating the adsorption deviation in the width direction and the feeding direction of each sample sent continuously. FIG. 13A is a diagram showing a suction shift in the width direction of each sample sent continuously. FIG. 13B is a diagram showing an adsorption shift in the feeding direction of each sample sent continuously. FIG. 13C is a diagram illustrating the adsorption deviation in the width direction and the feeding direction of each sample that is continuously fed. FIG. 14 is a perspective view of a magnet of Comparative Example 1 of the embodiment. 15A and 15B are a plan view and a cross-sectional view showing how the position of a component in the component storage unit is changed by a magnet. FIG. 16 is a perspective view of a magnet of Comparative Example 2 of the embodiment. FIGS. 17A and 17B are a plan view and a cross-sectional view showing a state in which the position of the component in the component storage unit is changed by the magnet. FIG. 18A is a diagram illustrating a state in which the position of a component in the component storage unit changes due to vibration. FIG. 18B is a diagram illustrating a state in which the position of a component in the component storage unit changes due to vibration. FIG. 18C is a diagram illustrating a state in which the position of the component in the component storage unit changes due to its own weight. FIG. 18D is a cross-sectional view showing the configuration of the LED. FIG. 19 is a diagram illustrating the correlation between the gap amount of the component storage unit and the suction error.

  Hereinafter, a tape feeder and a carrier tape feeding method using the same according to an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is a top view of the component mounter of the present embodiment.

  The component mounter includes a base 100, a conveyance path 101, a component supply unit 103, a mounting head 105, a recognition camera 106, an XY robot 107, a disposal tray 108, and a nozzle station 109.

  The transport path 101 is disposed at the center of the base 100 and transports and positions the substrate 104.

  A plurality of tape feeders 102 are arranged in the component supply unit 103, and the component supply unit 103 supplies a plurality of types of components.

  The mounting head 105 takes out components from the component supply unit 103 and transfers and mounts them on the substrate 104.

  The recognition camera 106 recognizes the component sucked by the suction nozzle of the mounting head 105 from below.

  The XY robot 107 moves the mounting head 105 in the XY direction.

  Parts are discarded in the disposal tray 108.

  The nozzle station 109 holds the suction nozzle of the mounting head 105.

  FIG. 2 is a perspective view of the tape feeder 102.

  The tape feeder 102 includes a main body frame 120, a reel side plate 121, a supply reel 122, a feed roller 123, a ratchet 124, a feed lever 126, a tension spring 126 a, a take-up reel 129, and a presser cover 130.

  The supply reel 122 is rotatably attached to a reel side plate 121 coupled to the main body frame 120, and a carrier tape 122a holding a component is wound around the supply reel 122.

  The feed roller 123 pitch-feeds the carrier tape 122a drawn from the supply reel 122.

  The ratchet 124 rotates the feed roller 123.

  The feed lever 126 rotates the ratchet 124 by a constant angle via the link 125.

  The take-up reel 129 takes up the cover tape 122b peeled off from the carrier tape 122a.

  In the tape feeder 102 having the above structure, the ratchet 124 rotates at a constant angle by the movement of the feed lever 126 in the Y1 direction by a motor or an air cylinder. Then, in conjunction with the ratchet 124, the feed roller 123 rotates by the roller pitch. As a result, the carrier tape 122a is fed by a component pitch that is an interval between two adjacent components (component storage units). Thereafter, the pushing force to the feed lever 126 is released, and the feed lever 126 returns to the Y2 direction, that is, to the original position by the urging force of the tension spring 126a. By repeating such a series of operations, the used carrier tape 122a is discharged to the outside of the tape feeder 102. The feed roller 123 may be rotated for feeding the carrier tape 122 a by a motor without using the feed lever 126, and the take-up reel 129 is separate from the motor for rotating the feed roller 123. The winding operation may be performed by a motor. For example, when the roller pitch is 2 mm and the component pitch is 2 mm, the feed lever 126 is moved once in order to feed the carrier tape 122a by the component pitch. Note that the component pitch and the roller pitch may not be equal.

  FIG. 3 is a perspective view of the carrier tape 122a.

  The carrier tape 122a is composed of a base tape 122c and a cover tape 122b. The carrier tape 122a is supplied to the user in a taping form in which a predetermined quantity is wound around the supply reel 122.

  The base tape 122c is provided with a rectangular component storage portion (concave portion) 141 that is continuously provided at predetermined intervals in the feed direction of the carrier tape 122a and stores various chip-shaped components 140.

  The cover tape 122b is attached to the upper surface of the base tape 122c so as to cover the opening of the component storage unit 141, and wraps the component 140.

  FIG. 4 is a perspective view of the presser cover 130.

  The presser cover 130 has a shutter 127 and a slit 128, and is attached to the main body frame 120 so that the shutter 127 is positioned above the ratchet 124.

  The shutter 127 is opened when the component 140 is taken out, and exposes the component 140 of the component storage portion 141 below the shutter 127 upward. The suction nozzle of the mounting head 105 sucks and removes the exposed component 140.

  The slit 128 functions as a cover tape peeling portion, and peels the cover tape 122b from the carrier tape 122a before the shutter 127.

  The tape feeder 102 includes a leaf spring 160 as an elastic member as shown in the perspective view of FIG. The fed carrier tape 122 a is placed on the upper part of the leaf spring 160 and supports the bottom surface of the component storage unit 141. The leaf spring 160 can absorb the force that the component 140 and the carrier tape 122a receive by the suction nozzle when the component 140 is taken out.

  An L-shaped plate-like magnet 150 as shown in the perspective view of FIG. 6 is affixed to the lower surface opposite to the upper surface on which the tape feeder 102 on the plate spring 160 is placed. The magnet 150 is configured by integrating a first magnet 151 disposed along the feed direction of the carrier tape 122a and a second magnet 152 disposed along a width direction orthogonal to the feed direction.

  The first magnet 151 and the second magnet 152 are made of an elastic body to absorb the force received by the component 140 and the carrier tape 122a by the suction nozzle when the component 140 is taken out by the suction nozzle.

  Here, the magnet 150 is, for example, an isotropic Ba ferrite magnet, the length of the first magnet 151 (a in FIG. 6) is, for example, 11.5 mm, and the width of the first magnet 151 (b in FIG. 6) is For example, it is 1.15 mm, and the length (c in FIG. 6) of the second magnet 152 is, for example, 1.15 mm.

  In the following, a region where the presser cover 130 is provided and a part 140 positioned below the presser cover 130 is taken out, specifically a region above the leaf spring 160, more specifically a component below the shutter 127. A region including, for example, the three component storage units 141 in front of the storage unit 141 and the front side (front side in the feeding direction) is defined as a component extraction region of the tape feeder 102.

  FIG. 7 is a plan view showing the positional relationship between the magnet 150 and the carrier tape 122a.

  The first magnet 151 is provided below the bottom surface of the component storage unit 141 that has been sent to the component extraction region and extends in the feed direction below one side of the bottom surface of the component storage unit 141 in the width direction. The component 140 of the component storage portion 141 that has been sent up to is pulled toward one side in the width direction and pulled downward.

  Here, the first magnet 151 covers half of the area of the bottom surface of the component storage unit 141 only below the bottom half of the bottom surface of the component storage unit 141 below the bottom surface of the component storage unit 141 in the component take-out area. It is provided parallel to the feed direction. The first magnet 151 is positioned below the bottom surface of the three component storage units 141 including the component storage unit 141 at the component extraction position in the component extraction region. Further, the front end portion of the first magnet 151 in the feeding direction is provided below a quarter of the area of the bottom surface of the component storage portion 141 in the component removal region. As a result, it is possible to prevent the component 140 from being attracted by the suction nozzle when the component 140 is taken out because the force for attracting the component 140 at the component take-out position by the first magnet 151 is too strong.

  In addition, since the first magnet 151 attracts the component 140 of the component storage unit 141 toward one side and the lower direction in the width direction in the component take-out region, the component 140 becomes the component storage unit 141 when the magnetic flux density of the first magnet 151 is large. Stand up. In particular, when the component 140 is a minute component or a dice-shaped component, the component 140 is likely to stand up. Therefore, it is preferable to use the first magnet 151 having a maximum surface magnetic flux density of 50 mT or less, for example, about 40 mT.

  The second magnet 152 is provided behind the first magnet 151 in the feeding direction below the bottom surface of the component storage unit 141 in the component extraction region, and the component 140 of the component storage unit 141 sent to the component extraction region. They are attracted to the rear in the feed direction and attracted downward.

  Here, the second magnet 152 is provided away from the component storage unit 141 at the component take-out position by a distance that sandwiches the two component storage units 141. Accordingly, it is possible to prevent the component 140 from standing too much by the second magnet 152 and attracting the component 140 at the component extraction position, or preventing the component 140 from being attracted by the suction nozzle when the component 140 is removed.

  In addition, since the second magnet 152 attracts the component 140 of the component storage unit 141 toward the feeding direction and the downward direction in the component extraction region, the component 140 stands at the component storage unit 141 when the magnetic flux density of the second magnet 152 is large. End up. Therefore, it is preferable to use the second magnet 152 having a maximum surface magnetic flux density of 50 mT or less, for example, about 40 mT.

  The plan view of FIG. 8 and the cross-sectional view of FIG. 9 show how the position of the component 140 in the component storage unit 141 is changed by the magnet 150.

  First, as shown in FIGS. 8A and 9A, the carrier tape 122a is fed in the feeding direction by the component pitch, and one of the component storage portions 141 is sent to the component take-out area. The magnet 150 is positioned below the component storage unit 141 sent to the component take-out area, and the component 140 of the component storage unit 141 above the magnet 150 is attracted downward of the component storage unit 141.

  Next, as shown in FIG. 8B and FIG. 9B, the carrier tape 122a is further fed in the feed direction by the part pitch, and one of the other part storage parts 141 is sent to the part take-out area. . The component 140 of the component storage unit 141 that has already been sent to the component take-out area is drawn toward the feed direction and the width direction by the magnet 150, and the end of the component storage unit 141 in the feed direction and the width direction, that is, the component storage unit 141. Move to the corner.

  Next, as shown in FIGS. 8 (c) and 9 (c), the carrier tape 122a is further fed in the feeding direction by the part pitch, and one of the other part storage parts 141 is sent to the part take-out area. It is done. The component 140 that has moved to the corner of the component storage unit 141 is continuously attracted toward the feed direction and the width direction by the magnet 150 and maintains its position.

  Finally, as shown in FIGS. 8 (d) and 9 (d), the carrier tape 122a is further fed in the feeding direction by the part pitch, and one of the other part storage parts 141 is sent to the part take-out area. At the same time, one of the component storage units 141 in the component extraction area is sent to the component extraction position. Thereafter, the component 140 at the component removal position is removed by the suction nozzle. Since the positions of all the components 140 sent to the component removal position are fixed to the corners of the component storage unit 141 by the magnet 150, the adsorption position of the component 140 at the component removal position is constant.

  10A to 13C are views for explaining that the adsorption deviation can be reduced by the tape feeder 102. FIG. FIGS. 10A to 10C and FIGS. 12A to 12C show the transition of the adsorption deviation when a magnet is provided below the entire bottom surface of the component storage unit 141 and a plurality of components 140 are continuously taken out. FIG. 11C and FIG. 13A to FIG. 13C show the transition of the adsorption deviation when the magnet 150 is provided in the manner of FIG. 7 and the plurality of components 140 are continuously taken out.

  10A to 11C show the adsorption deviation when the component 140 is a capacitor, and FIGS. 12A to 13C show the adsorption deviation when the component 140 is a resistor. 10A, FIG. 11A, FIG. 12A and FIG. 13A, the horizontal axis indicates the sample No., the vertical axis indicates the adsorption displacement (dX) in the width direction, and in FIG. 10B, FIG. 11B, FIG. The horizontal axis indicates the sample No., the vertical axis indicates the adsorption deviation (dY) in the feeding direction, and in FIGS. 10C, 11C, 12C, and 13C, the horizontal axis indicates the adsorption deviation in the width direction, and the vertical axis indicates the feeding deviation. The direction of adsorption deviation is shown.

  10A to 10C and FIGS. 11A to 11C are compared with FIGS. 12A to 12C and FIGS. 13A to 13C, respectively, so that the magnet 150 in FIG. 7 reduces the adsorption deviation in the width direction and the feeding direction. I understand. Further, in FIGS. 10B and 12B, the adsorption deviation is greatly changed especially in the vicinity of the sample No. 390 due to the characteristic change of the tape feeder 102, but in FIGS. 11B and 13B, the change in the characteristic of the tape feeder 102 is caused. There is no change in adsorption deviation. Therefore, it can be seen that the magnet 150 in FIG. 7 suppresses the adsorption deviation due to the characteristic change of the tape feeder 102. Furthermore, even if FIGS. 11A to 11C and FIGS. 13A to 13C are compared, there is no significant difference in the adsorption deviation. Therefore, it can be seen that the magnet 150 of FIG. 7 can reduce the adsorption deviation with respect to the component 140 that is less resistant to the influence of the magnetic force than the capacitor, and can reduce the adsorption deviation with respect to various components 140.

  As described above, the tape feeder 102 according to the present embodiment includes the first magnet 151 below one side of the bottom surface of the component storage portion 141 in the component take-out area, and is island-shaped behind the first magnet 151 in the feed direction. The second magnet 152 is provided. Accordingly, the component 140 of the component storage unit 141 in the component take-out region is pulled to the side end in the width direction of the component storage unit 141 by the first magnet 151 and at the same time, using the force of feeding the carrier tape 122a by the second magnet 152. The component storage unit 141 is drawn to the rear end in the feed direction. As a result, the components 140 of all the component storage units 141 are aligned near the end of the component storage unit 141 in the component extraction region, so that the adsorption deviation can be reduced.

  Moreover, according to the tape feeder 102 of this Embodiment, the 1st magnet 151 and the 2nd magnet 152 are provided below the bottom face of the components storage part 141 of a components taking-out area | region. Accordingly, the component 140 of the component storage unit 141 is attracted below the component storage unit 141 by the first magnet 151 and the second magnet 152 in the component extraction region. As a result, it is possible to suppress the component 140 of the component storage unit 141 from jumping out or standing out of the component storage unit 141 in the component extraction region.

  Further, according to the tape feeder 102 of the present embodiment, the first magnet 151 is provided below half of the bottom surface of the component storage unit 141. As a result, it is possible to suppress the component 140 of the component storage unit 141 from being strongly attracted by the first magnet 151 and standing.

(Comparative Example 1)
Hereinafter, the magnet 150 according to Comparative Example 1 of the present embodiment will be described.

  FIG. 14 is a perspective view of a magnet 150 according to this comparative example.

  In the magnet 150 according to this comparative example, the width in the width direction of the magnet 150 is narrowed toward the feeding direction, and the magnet 150 according to this comparative example has a triangular shape instead of an L shape, so that the magnet 150 in FIG. And different.

  The plan view of FIG. 15A and the cross-sectional view of FIG. 15B show how the position of the component 140 in the component storage portion 141 is changed by the magnet 150 according to this comparative example.

  The part 140 sent to the part take-out area is attracted toward the feed direction and the width direction in the part take-out area also by the magnet 150 according to this comparative example, and is sent to the end of the part storage unit 141 in the feed direction and the width direction. Moving. However, since the magnetic field is distorted by the triangular shape of the magnet 150, the component 140 in the component extraction region rotates and tilts with respect to the feed direction and the width direction. On the other hand, in the case of the L-shaped magnet 150 of FIG. 6, such rotation of the component 140 does not occur, so that the adsorption deviation can be reduced.

(Comparative Example 2)
Hereinafter, the magnet 150 according to Comparative Example 2 of the present embodiment will be described.

  FIG. 16 is a perspective view of a magnet 150 according to this comparative example.

  In the magnet 150 according to this comparative example, a portion extending in the width direction is provided not only at the rear end in the feed direction but also at the front end, and the magnet 150 according to this comparative example has a U shape instead of an L shape. This is different from the magnet 150 of FIG.

  The plan view of FIG. 17A and the cross-sectional view of FIG. 17B show how the position of the component 140 in the component storage portion 141 is changed by the magnet 150 according to this comparative example.

  The part 140 sent to the part take-out area is attracted toward the feed direction and the width direction in the part take-out area also by the magnet 150 according to this comparative example, and moves to the end in the feed direction and the width direction of the part storage unit 141. To do. However, since the part 140 that has approached the part removal position is attracted toward the front in the feed direction due to the U-shape of the magnet 150, the position of the part 140 at the part removal position is not fixed to the end in the feed direction. On the other hand, in the case of the L-shaped magnet 150 of FIG. 6, the position of the component 140 after movement is fixed, so that the adsorption deviation can be reduced.

  As described above, the tape feeder and the carrier tape feeding method using the tape feeder according to the present invention have been described based on the embodiment. However, the present invention is not limited to this embodiment. The present invention includes various modifications made by those skilled in the art without departing from the scope of the present invention. Moreover, you may combine each component in several embodiment arbitrarily in the range which does not deviate from the meaning of invention.

  For example, in the above embodiment, the magnet 150 has an L shape. However, the present invention is not limited to this as long as it is a magnet 150 that generates a magnetic force that draws the component 140 in the component extraction region toward the end of the component storage unit 141. For example, the magnet 150 may be configured by separating the first magnet 151 and the second magnet 152.

  In the above-described embodiment, the second magnet 152 is provided away from the component storage unit 141 at the component take-out position by a distance that sandwiches the two component storage units 141. However, it is not limited to this as long as it is separated by a distance that does not obstruct the removal of the component by the suction nozzle in consideration of the magnetic force of the second magnet 152 and the component pitch. For example, when the magnetic force of the second magnet 152 is strong, the second magnet 152 may be provided below the component storage unit 141 adjacent to the component storage unit 141 at the component extraction position. In addition, when the magnetic force of the second magnet 152 is weak, the second magnet 152 may be provided away from the component storage unit 141 at the component extraction position by a distance sandwiching three or more component storage units 141.

  Further, in the above embodiment, the first magnet 151 is provided to cover half of the area of the bottom surface of the component storage portion 141 below the bottom surface of the component storage portion 141 in the component removal area. However, the first magnet 151 is not limited to a half as long as the first magnet 151 is provided below the bottom surface of the component storage unit 141 in the component take-out area so as to cover only a part of the bottom surface of the component storage unit 141 in the width direction. .

  Moreover, in the said embodiment, although the 1st magnet 151 was provided below the bottom face of the three component storage parts 141 sent to the component pick-up area | region, the several component storage parts sent to the component pick-up area | region are used. If it is provided below the bottom surface of 141, it is not limited to the number 3.

  In the above embodiment, the first magnet 151 is provided. However, the tape feeder is provided below the bottom surface of the component storage unit 141 sent to the component take-out area, extending in the feed direction below one side in the width direction of the bottom surface, and sent to the component take-out area. The first magnet 151 is not limited as long as the first magnetic force region that pulls the 141 component to one side in the width direction is provided. For example, in the above-described embodiment, the first magnetic field region is configured by one first magnet 151, but may be configured by a plurality of magnets.

  In the above embodiment, the second magnet 152 is provided. However, the tape feeder is provided behind the first magnetic field in the feeding direction below the bottom surface of the component storage unit 141 sent to the component take-out region, and the tape feeder is sent to the component take-out region 141. The second magnet 152 is not limited as long as the second magnetic region is provided to draw the component rearward in the feed direction. For example, in the above embodiment, the second magnetic field region is configured by one second magnet 152, but may be configured by a plurality of magnets.

  In the above embodiment, before pulling the component 140 to the end of the component storage unit 141 by the magnet 150, the component 140 is directed toward the end of the component storage unit 141 by applying vibration to the tape feeder or tilting the tape feeder. May be moved.

  For example, as shown in FIG. 18A, the component 140 may be moved to the end of the component storage portion 141 by a vibrator and a spring that vibrate in the width direction of the tape feeder. Further, as shown in FIG. 18B, the component 140 may be moved to the end of the component storage portion 141 by a vibrator, a spring, or the like that vibrates in a direction of 45 degrees with respect to the feeding direction of the tape feeder. Further, as shown in FIG. 18C, the regulating roller 170 for feeding the tape feeder may be inclined by 25 degrees, for example, and the component 140 may be moved to the end of the component storage portion 141 by the weight of the component 140.

  The configurations of FIGS. 18A to 18C are effective for a component 140 such as an LED (Light Emitting Diode) chip shown in the cross-sectional view of FIG. 18D. This is because, in the resistor and the capacitor, Ni (nickel) plating is used for the internal electrode and the external electrode, and some members are made of a magnetic material. On the other hand, in the LED chip, for example, the lead frame is made of a material containing a large amount of gold or silver with little current loss, and the electrode 180 is also made of gold flash plating instead of nickel plating, and the members are influenced by magnetic force. This is because it is made of a material that is difficult to receive or less affected. Further, since the electrode 180 and the component body 181 formed on the same surface of the bottom surface of the LED are made of different materials such as gold flash plating and glass epoxy resin, the surface slip coefficients of the two are different, and the component storage portion 141 is different. This is because it is difficult to slip inside. In addition, the contact area between the component body 181 and the component storage unit 141 is large, and it is difficult to slip in the component storage unit 141. Furthermore, since the step is formed on the surface of the electrode 180 and the component body 181 formed on the same surface of the bottom surface, it often has a configuration such as being difficult to slide in the component storage portion 141.

  INDUSTRIAL APPLICABILITY The present invention can be used for a tape feeder and a carrier tape feeding method using the tape feeder, and can be used particularly for a component mounting machine.

DESCRIPTION OF SYMBOLS 100 Base 101 Conveying path 102 Tape feeder 103 Component supply part 104 Board | substrate 105 Mounting head 106 Recognition camera 107 XY robot 108 Waste tray 109 Nozzle station 120 Main body frame 121 Reel side plate 122 Reel 122a Carrier tape 122b Cover tape 122c Base material tape 123 Feed roller 124 Ratchet 125 Link 126 Feed lever 126a Tension spring 127 Shutter 128 Slit 129 Take-up reel 130 Presser cover 140 Parts 141 Parts storage part 150 Magnet 151 First magnet 152 Second magnet 160 Plate spring 170 Correcting roller 180 Electrode 181 Parts body

Claims (12)

A feeder for feeding out a plurality of carrier tapes provided with a plurality of rectangular component storage portions at predetermined intervals in the feeding direction,
Below the bottom surface of the component storage unit sent to the component take-out region, the component of the component storage unit provided to extend in the feed direction below one side in the width direction of the bottom surface and sent to the component take-out region A first magnet attracting one side in the width direction ;
Below the bottom surface of the component storage unit that has been sent to the component take-out region, the component in the component storage unit that is provided behind the first magnet in the feed direction and sent to the component take-out region is sent. A second magnet that pulls backward in the direction,
The first magnet and the second magnet are tape feeders constituting an L-shaped magnet . The first magnet and the second magnet are integrated.
  The tape feeder according to claim 1. A feeder for feeding out a plurality of carrier tapes provided with a plurality of rectangular component storage portions at predetermined intervals in the feeding direction,
Below the bottom surface of the component storage unit sent to the component take-out region, the component of the component storage unit provided to extend in the feed direction below one side in the width direction of the bottom surface and sent to the component take-out region A first magnet attracting one side in the width direction;
Below the bottom surface of the component storage unit that has been sent to the component take-out region, the component in the component storage unit that is provided behind the first magnet in the feed direction and sent to the component take-out region is sent. A second magnet that pulls backward in the direction,
A front end portion in the feed direction of the first magnet is provided below a portion of a quarter of the area of the bottom surface.
Tape feeder. The tape feeder according to claim 3, wherein the first magnet and the second magnet are integrated to form an L-shaped magnet. The tape feeder according to any one of claims 1 to 4 , wherein the first magnet is provided below half of the bottom surface. The tape feeder according to any one of claims 1 to 5, wherein the first magnet is formed of an elastic body. The tape feeder further includes a plate-like elastic member that supports the bottom surface of the component storage unit sent to the component take-out region,
The tape feeder according to any one of claims 1 to 6, wherein the first magnet is attached to a surface opposite to a side on which the bottom surface of the elastic member is placed. The tape feeder according to any one of claims 1 to 7, wherein the first magnet is provided below a bottom surface of a plurality of the component storage portions sent to the component take-out region. The tape feeder according to claim 1 or 2 , wherein a front end portion of the first magnet in the feeding direction is provided below a quarter of the area of the bottom surface. In the tape feeder, a rectangular component storage unit is a method of feeding out a plurality of carrier tapes provided at predetermined intervals in the feeding direction,
The components of the component storage unit sent to the component take-out area in the tape feeder by the first magnet and the second magnet constituting the L-shaped magnet are transferred to one side in the width direction of the bottom surface of the component storage unit and to the rear in the feed direction. to pull nearest to,
The first magnet is provided below the bottom surface of the component storage unit that has been sent to the component take-out area and extends in the feed direction below one side of the bottom surface in the width direction, and is sent to the component take-out area. Pull the parts in the parts storage part to one side in the width direction,
The second magnet is provided at the rear of the feeding direction with respect to the first magnet below the bottom surface of the component storage unit that has been sent to the component removal region, and the component storage that has been sent to the component removal region. The method of feeding out the carrier tape that draws the parts of the part backward in the feeding direction . The first magnet and the second magnet are integrated.
  The tape feeder according to claim 1. In the tape feeder, a rectangular component storage unit is a method of feeding out a plurality of carrier tapes provided at predetermined intervals in the feeding direction,
With the first magnet and the second magnet, the components in the component storage unit sent to the component take-out area in the tape feeder are drawn to one side in the width direction of the bottom surface of the component storage unit and to the rear in the feed direction,
The first magnet is provided below the bottom surface of the component storage unit that has been sent to the component take-out region and extends in the feed direction below one side in the width direction of the bottom surface, and is sent to the component take-out region. Pull the parts in the parts storage part to one side in the width direction,
The second magnet is provided at the rear of the feeding direction with respect to the first magnet below the bottom surface of the component storage unit that has been sent to the component removal region, and the component storage that has been sent to the component removal region. Pull the parts of the part backward in the feed direction,
A front end portion in the feed direction of the first magnet is provided below a portion of a quarter of the area of the bottom surface.
Delivery method of carrier tape.

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