JP2014038948A - Positioning mechanism for tape cassette, tape cassette, mounting device, and manufacturing method of substrate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a positioning mechanism for a tape cassette which inhibits positional deviation of a take-out position of electronic components.SOLUTION: A positioning mechanism for a tape cassette comprises a first support part and a second support part. The first support part is provided in a tape cassette having a take-out part for taking electronic components out from a first direction, and arranged in the first direction of the take-out part. The second support part is provided in an attaching/detaching part to and from which the tape cassette is attached and detached, and supports the first support part from a second direction intersecting with the first direction.

Description

  The present technology relates to a tape cassette positioning mechanism, a tape cassette, a mounting apparatus, and a substrate manufacturing method used for mounting electronic components.

  2. Description of the Related Art Conventionally, mounting apparatuses that mount electronic components such as resistors, capacitors, and coils on a substrate are widely known. Such a mounting apparatus generally includes a supply unit that supplies an electronic component and a mounting head that mounts the electronic component supplied by the supply unit on a substrate.

  The supply unit generally has a configuration in which a plurality of tape cassettes can be attached and detached. Each tape cassette has a take-out portion configured such that the mounting head can take out the electronic components. When mounting the electronic component on the substrate, the mounting head picks up the electronic component at the take-out portion of the tape cassette and moves the electronic component onto the substrate for mounting.

  A general tape cassette has a configuration in which a reel around which a carrier tape is wound is detachable. The carrier tape contains a plurality of electronic components of the same type. The tape cassette attached to the supply unit is configured so that the electronic components stored in the carrier tape can be supplied to the take-out unit one by one by feeding the carrier tape step by step while peeling off the cover tape of the carrier tape. Has been.

  The tape cassette needs to use a new carrier tape when there is no electronic component to be supplied or when the type of electronic component to be supplied is changed. In such a case, the entire tape cassette is replaced, or only the reel is replaced with the tape cassette mounted in the supply unit. In either case, the position of the tape cassette takeout portion may be misaligned before and after the replacement of the carrier tape.

  When the positional deviation of the tape cassette takeout portion occurs, the mounting head may not be able to properly take out the electronic component from the takeout portion. Therefore, the tape cassette needs to be accurately positioned with respect to the supply unit. A technique for positioning a tape cassette with respect to a supply unit is disclosed in Patent Document 1.

  In the technique described in Patent Document 1, a positioning pin is provided at the tip of the tape cassette in the direction of insertion into the supply unit. When the tape cassette is mounted on the supply unit, the positioning pin of the tape cassette is provided. A positioning hole is provided for positioning the tape cassette by receiving the tape cassette.

JP 2006-66826 A

  However, with the recent miniaturization of electronic components, further improvement in positioning accuracy of the tape cassette takeout portion is required.

  In view of the circumstances as described above, an object of the present technology relates to a tape cassette positioning mechanism, a tape cassette, a mounting device, and a method for manufacturing a substrate, in which an electronic component taking-out position is prevented from being shifted.

The tape cassette positioning mechanism according to the present technology includes a first support portion and a second support portion.
The first support portion is provided in a tape cassette having a take-out portion from which an electronic component is taken out from a first direction, and is arranged in the first direction of the take-out portion.
The second support portion is provided in an attachment / detachment portion where the tape cassette is attached / detached, and supports the first support portion from a second direction intersecting the first direction.
In the tape cassette positioning mechanism with this configuration, the first support portion of the tape cassette on the extension line in the electronic component take-out direction is supported by the second support portion of the detachable portion. Therefore, in the tape cassette positioning mechanism of this configuration, when the tape cassette is mounted on the attachment / detachment portion or when the carrier tape of the tape cassette is replaced, the rotation centering around the first support portion of the tape cassette is performed. The tape cassette is less likely to be misaligned by movement.

The first support part may be supported by the second support part at a plurality of positions.
In the tape cassette positioning mechanism having this configuration, the first support portion is supported by the second support portion at at least two points aligned in the first direction, and thus intersects the first direction and the second direction. Even when receiving the force in the third direction, the positional deviation of the tape cassette hardly occurs.

The first support portion may have a protrusion protruding in a direction opposite to the second direction.
In this case, the second support part may have a hole part that forms a pair with the protrusion part.
In the tape cassette positioning mechanism having this configuration, the protrusions are engaged with the holes, so that the positional deviation of the tape cassette is less likely to occur.

The hole may have a long shape in the first direction.
With the tape cassette positioning mechanism having this configuration, the processing accuracy required for the protrusions can be suppressed.

The tape cassette according to the present technology includes a take-out portion and a first support portion.
The take-out unit takes out the electronic component from the first direction.
The first support portion is arranged in the first direction of the take-out portion, and a second support portion provided in an attachment / detachment portion to / from which the tape cassette is attached / detached intersects the first direction. Supported from the direction.

The first support portion engages with the second support portion in accordance with the movement when the tape cassette is moved in a direction opposite to the second direction and is attached to the attachment / detachment portion. May be.
Since the tape cassette having this configuration is supported from the direction opposite to the moving direction (second direction) when mounted on the mounting device, the position of the take-out portion hardly occurs.

The mounting apparatus according to the present technology includes an attaching / detaching portion, a mounting head, and a second support portion.
The detachable part is detachably attached to a tape cassette having a takeout part from which an electronic component is taken out.
The mounting head takes out the electronic component in the take-out part from the first direction of the take-out part when the tape cassette is attached to the detachable part.
When the second support portion is in the mounted state, the second support portion intersects the first support portion in the first direction with respect to the take-out portion of the tape cassette in the first direction. Support from the direction.

The second support portion engages with the first support portion according to the movement when the tape cassette is moved in a direction opposite to the second direction and is attached to the attachment / detachment portion. Also good.
In the mounting apparatus having this configuration, since the tape cassette is supported from the direction opposite to the moving direction when the tape cassette is mounted (the second direction), the take-out portion is hardly displaced.

In the method for manufacturing a substrate according to the present technology, a portion arranged in a first direction of the take-out portion provided in a tape cassette having a take-out portion from which an electronic component is taken out intersects the first direction. In a state where it is supported from the direction of 2, the gripping portion is moved in the first direction to take out the electronic component from the takeout portion.
The gripping part from which the electronic component has been taken out is moved and the electronic component is mounted on the substrate.

  In the manufacturing method of the substrate having this configuration, when the electronic component is taken out from the take-out portion, the portion immediately below the electronic component is supported, so that the displacement of the electronic component is unlikely to occur. Therefore, the manufacturing yield of the substrate is improved.

  As described above, according to the present technology, it is possible to provide a tape cassette positioning mechanism, a tape cassette, a mounting apparatus, and a substrate manufacturing method that prevent the electronic components from being taken out of position.

It is a front view showing a mounting device concerning one embodiment of this art. It is a top view of the mounting apparatus shown in FIG. It is a block diagram which shows the structure of the mounting apparatus shown in FIG. It is the schematic diagram which showed the internal structure of the tape cassette shown in FIG. It is the elements on larger scale of the tape cassette shown in FIG. It is the schematic diagram which showed the mounting | wearing operation | movement to the mounting apparatus of the tape cassette shown in FIG. It is the schematic diagram which showed the mounting state which mounted | wore the mounting apparatus with the tape cassette shown in FIG. FIG. 6B is a sectional view taken along line A-A ′ of FIG. 6B. It is the schematic diagram which showed the mounting state which mounted | wore the mounting apparatus with the tape cassette which concerns on a comparative example. It is the figure which showed the modification 1 of the structure shown in FIG. It is the figure which showed the modification 2 of the structure shown in FIG. It is the figure which showed the modification 3 of the structure shown in FIG. It is the figure which showed the modification 4 of the structure shown to FIG. 6B. It is the figure which showed the modification 5 of the structure shown to FIG. 6B. It is the figure which showed the modification 6 of the structure shown to FIG. 6B.

  Hereinafter, embodiments according to the present technology will be described with reference to the drawings. In the drawing, an X axis, a Y axis, and a Z axis that are orthogonal to each other are shown as appropriate. The X axis, the Y axis, and the Z axis are common in all drawings.

[Overall Configuration of Mounting Device 100]
FIG. 1 is a front view illustrating a mounting apparatus 100 according to an embodiment of the present technology. FIG. 2 is a top view of the mounting apparatus 100. FIG. 3 is a block diagram illustrating a configuration of the mounting apparatus 100.

  The mounting apparatus 100 includes a frame structure 10, a transport unit 15 that is provided on the frame structure 10, transports the substrate 1 in the X-axis direction, and an attachment / detachment unit 18 that is provided on both sides of the transport unit 15 in the Y-axis direction. With.

  Further, the mounting apparatus 100 sucks the electronic component 3 supplied from the tape cassette, moves the sucked electronic component 3 onto the substrate 1 and mounts it, and mounts the mounting head 30 in the X-axis direction and the Y-direction. And a head moving mechanism 40 for moving the head.

  Further, as illustrated in FIG. 3, the mounting apparatus 100 includes a main control unit 5, a storage unit 6, a display unit 7, an input unit 8, an imaging unit 9, an air compressor 33, and a nozzle drive mechanism 43.

  The transport unit 15 includes a pair of guides 16 disposed along the X-axis direction, and a pair of conveyors 17 provided on the inner side of the Y-axis direction (the transport unit 15 side) than the pair of guides 16. . The transport unit 15 drives the pair of conveyors 17 to carry the substrate 1 and position it at a predetermined position, or to discharge the substrate 1 on which the electronic component 3 has been mounted.

  The attachment / detachment unit 20 is configured such that a plurality of tape cassettes 21 can be attached / detached. The attachment / detachment unit 20 has a guide rail 18 (see FIG. 6) for guiding the tape cassette 21 when the tape cassette 21 is attached / detached. The tape cassette 21 is inserted along each guide rail 18 in the Y-axis direction inner side (conveying unit 15 side), and is fixed from the outer side in the Y-axis direction by a clamp block (not shown) to the attachment / detachment unit 20. Installation is complete.

  The mounting apparatus 100 may have a configuration that allows replacement of the entire carriage (not shown) having the detachable portion 20. For example, different carts are used depending on the type of substrate. The carriage can be attached to and detached from the main body of the mounting apparatus 100, and is fixed to the mounting apparatus main body 100 when mounted on the mounting apparatus 100.

  In the case where the mounting apparatus 100 is configured to include a carriage, when changing the type of the substrate 1, not all the tape cassettes 21 are replaced one by one, but all the tape cassettes 21 are replaced by replacing the entire carriage. Complete. Thus, the mounting apparatus 100 can easily replace the tape cassette 21 when changing the type of the substrate 1 due to the configuration including the carriage.

  Note that the carriage can be configured as a part of the mounting apparatus 100, but can also be configured differently from the mounting apparatus 100. In any case, the carriage needs to be paired with the main body of the mounting apparatus 100.

  The tape cassette 21 has a flat plate shape that is thin in the X-axis direction, and is arranged on each guide rail 18 along the X-axis direction. Each tape cassette 21 accommodates a reel R (see FIG. 4) around which a carrier tape 90 (see FIG. 5) is wound. The carrier tape 90 accommodates a plurality of electronic components 3 of the same type, such as resistors, capacitors, coils, and IC chips (ICs), for example.

  A take-out portion 22 is provided on the upper surface in the Z-axis direction of the end of the tape cassette 21 on the transporting portion 15 side. In the tape cassette 21, the electronic component 3 is supplied at the take-out portion 22. Details of the configuration of the tape cassette 21 will be described later.

  The frame structure 10 includes a base 11 provided at the bottom and a plurality of support columns 12 fixed to the base 11.

  The head moving mechanism 40 is spanned along the Y axis between the two X beams 41 spanned along the X axis direction on the upper portions of the plurality of support columns 12 and the two X beams 41. Y beam 42. In FIG. 2, the X beam 41 on the upper side and the Y beam 42 are indicated by a one-dot chain line in order to display the drawing in an easy-to-read manner.

  The Y beam 42 is attached below the two X beams 41 so as to be movable in the X axis direction with respect to the X beam 41. The X beam 41 has an X axis drive mechanism for moving the Y beam 42 along the X axis direction, and the Y beam 42 is moved under the X beam 41 by driving the X axis drive mechanism. On the side, it is movable along the X-axis direction.

  A carriage 35 that holds the mounting head 30 is attached to the lower side of the Y beam 42. The carriage 35 is attached to the Y beam 42 so as to be movable in the Y axis direction. The Y beam 42 has a Y axis drive mechanism for moving the carriage 35 along the Y axis direction, and the carriage 35 is moved below the Y beam 42 by driving the Y axis drive mechanism. , Movable along the Y-axis direction.

  The mounting head 30 includes a turret 32 that is rotatably attached to the carriage 35, and a plurality of suction nozzles 31 that are attached to the turret 32 at equal intervals along the circumferential direction of the turret 32. The suction nozzle 31 is a grip portion for gripping the electronic component 3 by suction.

  The turret 32 is rotatable with an oblique axis as a central axis of rotation. The suction nozzle 31 is attached to the turret 32 so that the axis of the suction nozzle 31 is inclined with respect to the rotation axis of the turret 32.

  The suction nozzle 31 is supported so as to be movable with respect to the turret 32 along the axial direction (vertical direction in the Z-axis direction). The suction nozzle 31 is supported so as to be rotatable with respect to the turret 32. The suction nozzle 31 can move along the axial direction (Z-axis direction vertical direction) at a predetermined timing by driving a nozzle driving mechanism 43 (see FIG. 3), and can rotate around the axis at a predetermined timing. .

  Among the plurality of suction nozzles 31, the suction nozzle 31 located at the lowest position (the suction nozzle 31 located at the rightmost side in FIGS. 1 and 2) has its axis line directed downward in the vertical direction (Z-axis direction). Hereinafter, the position of the suction nozzle 31 facing downward in the Z-axis direction is referred to as an operation position.

The suction nozzle 31 at the operation position moves in the direction of arrow d1 (downward in the Z-axis direction) in FIG. 1, which is the _first direction, and sucks the electronic component 3 in the take-out portion 22. The suction nozzle 31 that sucks the electronic component 3 moves upward in the Z-axis direction and returns to the original position.

  Then, the mounting head 35 moves to the mounting position on the substrate, the suction nozzle 31 that sucks the electronic component 3 is moved downward in the Z-axis direction, and the electronic component 3 is detached so that the electronic component is placed on the substrate. 3 is implemented. The suction nozzle 31 having the electronic component 3 mounted on the substrate moves upward in the Z-axis direction and returns to the original position.

  Each suction nozzle 31 can be moved to the operation position by the rotation of the turret 32. Therefore, the suction operation of the electronic component 3 and the board mounting operation of the electronic component 3 similar to the above can be performed in all the suction nozzles 31.

  The suction nozzle 31 is connected to an air compressor 33 (see FIG. 3). The adsorption nozzle 31 can adsorb or desorb the electronic component 3 according to the switching of the negative pressure and the positive pressure of the air compressor 33.

  In the present embodiment, the turret rotation type mounting head 30 has been described as an example of the mounting head 30, but the mounting head 30 may be of any type. For example, the mounting head 30 may be of a type in which a plurality of suction nozzles 31 are arranged in parallel.

  The main control unit 5 is composed of, for example, a CPU (Central Processing Unit). The main control unit 5 is electrically connected to each part of the mounting apparatus 100, and comprehensively controls each part of the mounting apparatus 100 based on various programs stored in the storage unit 6.

  The storage unit 6 includes a nonvolatile memory in which various programs necessary for control of the main control unit 5 are stored, and a volatile memory used as a work area for the main control unit 5. The various programs may be read from a portable recording medium such as an optical disk or a semiconductor memory.

  The display unit 7 includes a liquid crystal display, an EL (Electro-Luminescence) display, and the like, and displays various data on the screen. The input unit 8 is configured by, for example, a keyboard, a touch panel, and the like, and inputs an instruction from an operator.

  The imaging unit 9 includes various types such as an imaging unit 9 for imaging an alignment mark provided on the substrate and an imaging unit 9 for imaging the electronic component 3 held by the suction nozzle 31 from the side or from below. An imaging unit 9 is included. For example, the imaging unit 9 is attached to the carriage, and moves integrally with the carriage 35 and the mounting head 30 when the carriage 35 and the mounting head 30 move along the X-axis direction and the Y-axis direction.

  The main control unit 5 performs various processes based on the image captured by the imaging unit 9. For example, the main control unit 5 corrects the mounting position of the electronic component 3 based on an image of an alignment mark provided on the substrate, or based on the image of the electronic component 3 held by the suction nozzle 31. 3 or the suction position of the electronic component 3 with respect to the suction nozzle 31 is determined.

[Configuration of Tape Cassette 21]
FIG. 4 is a schematic diagram showing the internal configuration of the tape cassette 21 according to the present embodiment. FIG. 5 is a partially enlarged view of the tape cassette 21 shown in FIG. The tape cassette 21 has a case 21a that covers its main internal structure, but for convenience of explanation, the case 21a is shown through in FIGS.

  The tape cassette 21 has a stacking unit 25 on which the reel R is stacked at the rear in the Y-axis direction. The reel R is wound with a carrier tape 90 that continuously stores a plurality of electronic components in the longitudinal direction. In FIG. 4, the carrier tape 90 is omitted. The carrier tape 90 is mounted on the stacking unit 25 together with the reel R. The carrier tape 90 is continuously formed with feed holes in the longitudinal direction.

  The tape cassette 21 includes a sprocket 55 in which teeth 55 a that engage with a feed hole of the carrier tape 90 are formed around the tape cassette 21, and a conveyance path 26 that is a path of the carrier tape 90 between the reel R and the sprocket 55. Have. When the reel R around which the carrier tape 90 is wound is first mounted on the stacking unit 25, the end of the carrier tape 90 is pulled out, and the feed hole is engaged with the teeth of the sprocket 55 via the conveyance path 26. .

  The tape cassette 21 has a motor 51, a first gear 52, a second gear 53, and a third gear 54 at the front in the Y-axis direction. These configurations constitute a transport mechanism that transports the carrier tape 90 together with the sprocket 55.

  A gear 51 a is provided on the output shaft of the motor 51, and the gear 51 a meshes with a large gear 52 a provided on the outer peripheral surface of the first gear 52. In addition to the large gear 52 a, the first gear 52 has a small gear 52 b that is coaxial with the large gear 52 a, and the small gear 52 b meshes with the second gear 53. The second gear 53 is also meshed with the third gear 54.

  With the configuration described above, when the motor 51 is driven, the driving force of the motor 51 is transmitted to the sprocket 55, and the sprocket 55 rotates. When the sprocket 55 rotates, the carrier tape 90 engaged with the teeth 55a of the sprocket 55 is conveyed forward in the Y-axis direction (right direction in FIG. 5).

  The tape cassette 21 has a take-out portion 22 for taking out electronic components from above the Z-axis by the suction nozzle 31 (see FIGS. 1 and 2) at a position adjacent to the sprocket 55 in the Z-axis direction. The take-out portion 22 opens upward in the Z-axis direction, and the carrier tape 90 is exposed.

  The carrier tape 90 has a carrier tape main body that continuously stores a plurality of electronic components 3 of the same type in the longitudinal direction, and a cover tape that covers the carrier tape main body. In the tape cassette 21, when the carrier tape 90 is conveyed by the rotation of the sprocket 55, the cover tape is peeled off from the carrier tape main body before the take-out portion 22, and the electronic component housed in the carrier tape main body is taken out in the take-out portion 22. Is exposed upward in the Z-axis direction.

  The motor 51 is controlled by a control unit (not shown) so that the carrier tape 90 is step-conveyed to the take-out unit 22 for each electronic component. As a result, the tape cassette 21 is configured so that the electronic components stored in the carrier tape 90 can be supplied to the take-out unit 22 one by one. As a result, the suction nozzle 31 can suck each electronic component at the take-out portion 22.

  The tape cassette 21 can be replaced by itself and is configured such that only the reel R can be replaced while attached to the mounting apparatus 100. The replacement of the tape cassette 21 and the replacement of the reel R are performed, for example, when all the carrier tape 90 wound around the reel R is used up or when the type of electronic component is changed. Note that, as described above, the tape cassette 21 can be replaced for each cart.

  When the reel R is replaced with a new one, for example, a so-called splicing technique is used in which the tip of the carrier tape 90 in the new reel R is connected to the end of the carrier tape 90 in the original reel R. Thereby, the tape cassette 21 can continue to supply electronic components without interrupting the carrier tape 90.

[Positioning mechanism of tape cassette 21]
In the tape cassette 21, a first support portion 23 is formed below the sprocket 55 in the Z-axis direction, with the Y-axis direction front end surface of the case 21 a retracted by a predetermined distance L. The first support portion 23 is substantially L-shaped. In the first support portion 23, the case 21 a is cut from the front in the Y-axis direction and the lower side in the Z-axis direction.

  The first support portion 23 has a tip surface 23c in the Y-axis direction and positioning pins 23a and 23b that are two columnar projections extending forward from the tip surface 23a in the Y-axis direction.

  The positioning pins 23 a and 23 b are arranged in the Z-axis direction, and their roots are on the central axis P that is the center of the take-out portion 22 in the X-axis direction and the Y-axis direction. Therefore, the central axis P passes over the front end surface 23 c of the first support portion 23 in the tape cassette 21.

  6A is a schematic diagram of a process of mounting the tape cassette 21 to the mounting apparatus 100, and FIG. 6B is a schematic diagram of a mounting state in which the tape cassette 21 is mounted to the mounting apparatus 100.

  The mounting apparatus 100 includes a second support portion 19 provided on the guide rail 18. The second support portion 19 is a positioning mechanism for the tape cassette 21 that forms a pair with the first support portion 23 of the tape cassette 21.

  The second support portion 19 is a plate-like fixing member formed of a hard material such as a metal material, a hard resin material, or ceramics, and is fixed to the guide rail 18. Accordingly, the second support portion 19 forms part of the mounting apparatus 100 or part of the carriage, and does not move with respect to the main body of the mounting apparatus 100.

  The second support portion 19 is formed with through holes 19a and 19b which are round hole portions corresponding to the positioning pins 23a and 23b of the first support portion 23, respectively. The thickness of the second support portion 19 in the Y-axis direction is slightly smaller than the length of the positioning pins 23a and 23b of the tape cassette 21 in the Y-axis direction. Each through-hole 19a, 19b penetrates the second support portion 19 in the Y-axis direction.

Figure 6A shows a state where the tape cassette 21 is slid in the Y-axis direction (arrow d ₂ direction) along the guide rail 18 towards the second support portion 19. At this time, the positioning pins 23 a and 23 b of the first support portion 23 in the tape cassette 21 advance toward the through holes 19 a and 19 b of the second support portion 19 in the mounting apparatus 100.

Eventually, as shown in FIG. 6B, the positioning pins 23a and 23b of the first support part 23 enter the through holes 19a and 19b of the second support part 19 up to the base. At this time, the positioning pins 23 a and 23 b penetrate the through holes 19 a and 19 b, respectively, and the front end surface 23 a of the tape cassette 21 is in contact with the rear surface in the Y-axis direction of the second support portion 19. Therefore, it is supported from the opposite direction (second direction) front end face 23a of the tape cassette 21 and the arrow d ₂ direction by the second support portion 19.

  FIG. 7 is a cross-sectional view taken along line A-A ′ of FIG. 6B. The positioning pins 23a and 23b have the same diameter. The through hole 19a that engages with the positioning pin 23a is formed to be slightly larger than the diameter of the positioning pin 23a. The through hole 19b that engages with the positioning pin 23b is formed in a slot shape that has a diameter in the X-axis direction that is the same as that of the through-hole 19a, but has a relatively long diameter in the Z-axis direction.

  As described above, the diameters of the through holes 19 a and 19 b of the second support portion 19 are formed with a margin with respect to the diameters of the positioning pins 23 a and 23 b of the first support portion 23. Therefore, the positioning pins 23a and 23b are unlikely to be buffered by the second support portion 19 due to the dimensional accuracy and shape accuracy of the positioning pins 23a and 23b.

  On the other hand, since the through-hole 19a is close to the longitudinal direction of the positioning pin 23a, the positioning pin 23a extends from the through-hole 19a in the direction (for example, the X-axis direction) perpendicular to the Y-axis direction that is the extending direction. Get restrained. Further, since the through hole 19b is close in the X-axis direction over the longitudinal direction of the positioning pin 23b, the positioning pin 23a is restricted by the through-hole 19b in the X-axis direction.

  As described above, the through hole 19a corresponding to the positioning pin 19b has a slot shape that is long in the Z-axis direction. Therefore, the tape cassette 21 does not require high positional accuracy in the Z-axis direction of the positioning pin 23b. For example, even when the positioning pin 23b is slightly inclined in the Z-axis direction or when the position of the positioning pin 23b is slightly shifted in the Z-axis direction, both the positioning pins 23a and 23b can be accurately inserted into the through holes 19a, 19b is inserted.

  Note that, due to the shape of the positioning pin 19b, the positioning pin 23b is not subjected to the restraining force in the Z-axis direction by the through hole 19b. However, since the tape cassette 21 has its lower surface in the Z-axis direction held by the guide rail 18, it is difficult for position displacement to occur in the Z-axis direction, and the positioning pin 23a restrains the Z-axis direction by the through hole 19a. This is not a problem because I have received it.

  With reference to FIG. 6B, the effect of the positioning mechanism of the tape cassette 21 by the 1st support part 23 and the 2nd support part 19 is demonstrated.

  The tape cassette 21 is characterized by being long in the Y-axis direction and thin in the X-axis direction. Therefore, in the tape cassette 21, the rotation around the axis parallel to the X axis hardly occurs, and there is no need to consider this. On the other hand, in the tape cassette 21, although the positioning pins 23a and 23b are constrained by the through holes 19a and 19b, the rotation is about the axis parallel to the Z axis and the rotation about the axis parallel to the Y axis. It is desirable to consider movement.

  Specifically, it is conceivable that a small amount of rotation in the direction of arrow D occurs in the tape cassette 21 with the bases of the positioning pins 19a and 19b supported by the second support portion 19 as fulcrums. However, the bases of the positioning pins 19 a and 19 b are both on the central axis P of the take-out portion 22. For this reason, even if the tape cassette 21 rotates in the direction of arrow D, although the takeout part 22 rotates, the center positions of the takeout part 22 in the X-axis direction and the Y-axis direction do not change.

  Therefore, the suction nozzle 31 of the mounting apparatus 100 shown in FIGS. 1 and 2 can accurately take out the electronic component from the take-out portion 22 regardless of whether the tape cassette 21 rotates in the direction of arrow D.

  Of course, the rotation of the tape cassette 21 in the direction of arrow D changes the orientation of the electronic component in the take-out portion 22 in the X-axis direction and the Y-axis direction. However, since the mounting apparatus 100 shown in FIGS. 1 and 2 has a configuration in which the electronic component sucked by the suction nozzle 31 is appropriately rotated, the orientation of the electronic component in the take-out portion 22 does not matter.

  In addition, it is conceivable that the tape cassette 21 is slightly rotated in the direction of arrow E around any edge in the X-axis direction of the bottom surface supported by the guide rail 18. The direction of arrow E is the direction in which the tape cassette 21 falls in the X-axis direction, which is the short direction.

  However, the positioning pin 23b is constrained in the X-axis direction by the through hole 19b. That is, the positioning pins 23a and 23b arranged in the Y-axis direction are restrained in the X-axis direction from the through holes 19a and 19b, respectively. Therefore, since the tape cassette 21 is restrained in the X-axis direction at two locations (positioning pins 23a and 23b), the rotation in the direction of arrow E hardly occurs.

  FIG. 8 is a schematic view showing a positioning mechanism of a general tape cassette 521 according to a comparative example. FIG. 8 shows a mounted state in which the tape cassette 521 is mounted on the mounting apparatus 500. The positioning pins 519a and 519b of the tape cassette 521 are engaged with the through holes 519a and 519b of the support portion 519 of the mounting apparatus 500.

  The tape cassette 521 shown in FIG. 8 is unlikely to rotate in the direction of arrow E, like the tape cassette 21 according to the present embodiment shown in FIG. 6B.

  On the other hand, it is conceivable that a small amount of rotation in the direction of the arrow D ′ is generated in the tape cassette 521 with the base of the positioning pins 519a and 519b supported by the support portion 519 as a fulcrum. Here, if the central axis of rotation in the direction of arrow D ′ in the tape cassette 521 is P ′, the central axis P ′ and the central axis P of the take-out portion 522 are different.

  Therefore, when the tape cassette 521 rotates in the direction of arrow D ', the takeout unit 522 also rotates in the direction of arrow D', and the position of the takeout unit 522 changes in the X-axis direction. Along with this, the position of the take-out portion 522 slightly changes in the Y-axis direction. Thereby, the suction nozzle (not shown) of the mounting apparatus 500 tries to suck the electronic component at a position shifted from the take-out portion 522 in the X axis direction and the Y axis direction. As a result, the suction nozzle may not be able to accurately take out the electronic component.

  In the general tape cassette 521, there is often no need to place components in the space in the Y-axis direction in front of the position where the take-out portion 522 is formed in the lower part in the Z-axis direction. Therefore, in the tape cassette 21 according to the present embodiment, the space can be used as the first support portion 23 so that the mounting device can accurately position without substantially changing the internal configuration of the general tape cassette. Is realized.

  Further, when the take-out portion 22 of the tape cassette 21 according to the present embodiment shown in FIG. 6B is compared with the take-out portion 522 of the general tape cassette 521 shown in FIG. 8, the take-out portion 22 according to the present embodiment is better. The distance L is closer to the main body of the mounting apparatus 100. That is, in the configuration of the present embodiment, the take-out portion 22 of the tape cassette 21 shown in FIG.

  Therefore, in the mounting apparatus 100 according to the present embodiment, the moving distance between the take-out portion 22 of the tape cassette 21 of the mounting head 30 and the substrate 1 when mounting the electronic component 3 on the substrate 1 can be shortened. Thereby, the mounting time of the electronic component 3 to the board | substrate 1 by the mounting apparatus 100 is shortened, ie, the manufacturing time of the board | substrate 1 is shortened.

[Modification of positioning mechanism of tape cassette 21]
With reference to FIG. 9A to FIG. 10C, a positioning mechanism for the tape cassette 21 according to a modification of the present embodiment will be described. Except for the configuration described below, the configuration is the same as the tape cassette 21 and the mounting apparatus 100 according to the present embodiment.

  9A to 9C show Modifications 1 to 3, and correspond to FIG. 7 of the present embodiment. In the first to third modifications, only the configuration of the first support portion 23 of the tape cassette 21 and the second support portion 19 of the mounting apparatus 100 is changed.

(Modification 1)
FIG. 9A is a cross-sectional view showing a positioning plate 23a and a through hole 19a according to Modification 1. The positioning plate 23a according to the present modification is configured by a semicircular portion that is above and below the Z-axis direction and a linear portion that extends in the Z-axis direction between the semicircular portions. That is, the positioning plate 23a is formed in a plate shape elongated in the Z-axis direction and extending in the Y-axis direction.

  Corresponding to the positioning plate 23a, the through hole 19a is also composed of a semicircular portion that is above and below the Z-axis direction, and a linear portion that extends in the Z-axis direction between the semicircular portions, and the Z-axis direction is It has a slot shape with a long diameter.

  The through hole 19a restrains the positioning plate 23a from both sides in the X-axis direction. The diameter of the through hole 19a in the Z-axis direction is formed with a margin in the Z-axis direction with respect to the positioning plate 23a. Thereby, the structure which the positioning plate 23a is easy to insert in the through-hole 19a is implement | achieved.

  In this configuration, both surfaces of the positioning plate 23a in the X-axis direction are sandwiched by the surfaces of the through holes 19a, that is, the positioning plate 23a is subjected to surface restraint from the through holes 19a in the X-axis direction. Therefore, the positioning plate 23a is not only restrained by the through hole 19a in the X-axis direction but also prevented from rotating around an axis parallel to the Y-axis.

  As described above, both the rotation in the D direction and the rotation in the E direction of the tape cassette 21 in FIG.

  The configuration of the positioning plate 23a and the through hole 19a is not limited to the configuration illustrated in FIG. 9A as long as the positioning plate 23a is configured to receive surface restraint from the through hole 19a in the X-axis direction. A plurality of positioning plates 23a and through holes 19a may be provided.

(Modification 2)
FIG. 9B is a cross-sectional view showing positioning pins 23a and 23b and through holes 19a19b according to Modification 2. Both the positioning pins 23a and 23b according to this modification have a rectangular cross section. The through holes 19a and 19b are also formed in a rectangular shape corresponding to the positioning pins 23a and 23b. The diameter of the through-hole 19b in the Z-axis direction is formed with a margin in the Z-axis direction with respect to the positioning pin 23a. As a result, a structure in which the positioning pins 23a and 23b can be easily inserted into the through holes 19a and 19b is realized.

  In this configuration, both surfaces of the positioning pins 23a and 23b in the X-axis direction are restrained from the through holes 19a19b in the X-axis direction. As described above, both the rotation in the D direction and the rotation in the E direction of the tape cassette 21 in FIG.

  The cross-sectional shapes of the positioning pins 23a and 23b and the through holes 19a19b are not limited to a circle or a rectangle, and can be any shape such as another polygonal shape.

(Modification 3)
FIG. 9C is a cross-sectional view showing positioning pins 23a, 23b, and 23c and through holes 19a, 19b, and 19c according to Modification 3. The positioning pins 23a, 23b, and 23c according to this modification are formed in a circular shape. The positioning pins 23b and 23c are formed slightly smaller than the positioning pins 23a. Further, the positioning pin 23a is formed at a position where the center line P in FIG. 6a passes through the center thereof, but the positioning pins 23b and 23c are formed at positions where the center line P is separated from the X axis direction. Has been.

  The through holes 19a, 19b, 19c are also formed in a circular shape corresponding to the positioning pins 23a, 23b, 23c. The through holes 19a, 19b, and 19c restrain the positioning pins 23a, 23b, and 23c from both sides in the X-axis direction. The diameters of the through holes 19b and 19c in the Z-axis direction are formed with a margin in the Z-axis direction with respect to the positioning pins 23b and 23c. Thereby, the structure which positioning pin 23a, 23b, 23c is easy to insert in through-hole 19a, 19b, 19c is implement | achieved.

  In this configuration, both surfaces of the positioning pins 23a, 23b, and 23c in the X-axis direction are restrained from the through holes 19a, 19b, and 19c in the X-axis direction. Although the positioning pins 23b and 23c and the through holes 19b and 19c are not on the center line P in FIG. 6B, the center in the X-axis direction when the positioning pins 23b and 23c and the through holes 19b and 19c are viewed as a whole is the center line P. It is above. Therefore, the positioning pins 23b and 23c and the through holes 19b and 19c also have the same effect as the positioning pin 23b and the through hole 19b in FIG.

  As described above, both the rotation in the D direction and the rotation in the E direction of the tape cassette 21 in FIG.

  The configuration of the positioning pins 23a, 23b, 23c and the through holes 19a, 19b, 19c may be line symmetric with respect to the center line P in FIG. 6B. For example, the positioning pin 23a and the through hole 19a may be configured by two positioning pins and a through hole that are symmetrical with respect to the center line P, respectively. In this configuration, there are four positioning pins and four through holes.

  10A to 10C show modified examples 4 to 6 and correspond to FIG. 6B of the present embodiment. In the modified examples 4 to 6, only the configuration of the first support portion 23 of the tape cassette 21 and the configuration of the second support portion 19 of the mounting apparatus 100 are changed.

(Modification 4)
FIG. 10A is a schematic diagram illustrating a configuration according to the fourth modification. Positioning pins 23a and 23b of the first support portion 23 according to this modification are the same as those shown in FIG. 6b, but the second support portion 19 is formed thicker in the Y-axis direction than that shown in FIG. 6B. The second support portion 19 is formed with holes 19a and 19b that do not penetrate in the Y-axis direction. Therefore, in this modification, the positioning pins 23a and 23b are entirely covered with the holes 19a and 19b.

(Modification 5)
FIG. 10B is a schematic diagram illustrating a configuration according to the fifth modification. In the present modification, opposite to Modification 3, holes 23 a and 23 b are formed in the first support portion 23, and positioning pins 19 a and 19 b are formed in the second support portion 19. Therefore, in the present modification, the positioning pins 19 a and 19 b are covered with the second support portion 19 and the holes 23 a and 23 b are covered with the first support portion 23.

(Modification 6)
FIG. 10C is a schematic diagram illustrating a configuration according to the sixth modification. In the present modification, a protrusion 23 a and a hole 23 b are formed on the first support portion 23, and a hole 19 a and a positioning pin 19 b are formed on the second support portion 19. Therefore, in the present modification, the protrusion 23 a of the first support portion 23 is covered with the hole 19 a of the second support portion 19, and the positioning pin 19 b of the second support portion 19 is covered with the first support portion 23. Covered by the hole 23b.

  The protruding portion 23a of the first support portion 23 of this modification has a shape in which the tip is chamfered, not a cylindrical shape. Thus, the protruding portion is not limited to the pin shape, and may have any protruding shape. In this case, the hole portion is formed in a shape that matches the shape of the protruding portion. Thereby, the tape cassette 21 is appropriately positioned on the mounting apparatus 100.

  Further, the first support portion 23 and the second support portion 19 may be provided with a protrusion and a hole that make a pair with each other. In other words, regardless of which of the first support portion 23 and the second support portion 19 is formed with the projection, it is only necessary that the other has a corresponding hole. Further, the first support portion 23 and the second support portion 19 may include a protruding portion and a hole portion.

  The embodiment of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and it is needless to say that various modifications can be made without departing from the gist of the present invention.

  In this embodiment, as shown in FIG. 5, the first support portion 23 is provided by changing the shape of the case 21a of the tape cassette 21, but this configuration is not essential. For example, the first support portion 23 may be provided on the lower surface of the case 521a of the general tape cassette 521 shown in FIG.

  More specifically, for example, a fixing member can be provided on the lower surface of the case 521a of the tape cassette 521, and the positioning pins 23a and 23b can be provided on the fixing member. In this case, although it becomes higher in the Z-axis direction by the amount of the first support portion 23 provided, it is possible to prevent the positional deviation of the tape cassette take-out portion and to remove the tape cassette, as in this embodiment. The part is close to the substrate.

In addition, this technique can also take the following structures.
(1) a first support portion provided in a tape cassette having a take-out portion from which an electronic component is taken out from a first direction, and disposed in the first direction of the take-out portion;
A tape cassette positioning mechanism, comprising: a second support portion that is provided in an attachment / detachment portion to which the tape cassette is attached / detached, and that supports the first support portion from a second direction intersecting the first direction.
(2) The tape cassette positioning mechanism according to (1) above,
The tape cassette positioning mechanism, wherein the first support portion is supported by the second support portion at a plurality of positions.
(3) The tape cassette positioning mechanism according to (1) or (2) above,
The first support portion has a protrusion protruding in a direction opposite to the second direction,
The second support part has a hole part that forms a pair with the protrusion part. A tape cassette positioning mechanism.
(4) The tape cassette positioning mechanism according to (3) above,
The hole has a shape that is long in the first direction. Tape cassette positioning mechanism.
(5) a take-out unit from which the electronic component is taken out from the first direction;
A first support that is disposed in the first direction of the take-out portion and is supported from a second direction that intersects the first direction by a second support portion that is provided in the attachment / detachment portion to which the tape cassette is attached / detached. A tape cassette comprising a support part.
(6) The tape cassette according to (5) above,
The first support portion engages with the second support portion in accordance with the movement when the tape cassette is moved in a direction opposite to the second direction and is attached to the attachment / detachment portion. Tape cassette.
(7) an attaching / detaching part to which a tape cassette having an extraction part from which an electronic component is taken out is attached / detached;
A mounting head for taking out the electronic component in the take-out portion from the first direction of the take-out portion when the tape cassette is attached to the detachable portion;
A second support for supporting the first support portion in the first direction with respect to the take-out portion of the tape cassette from a second direction intersecting the first direction when the tape cassette is in the mounted state; And a mounting device.
(8) The mounting apparatus according to (7) above,
The second support portion engages with the first support portion in accordance with the movement when the tape cassette is moved in a direction opposite to the second direction and attached to the detachable portion. apparatus.
(9) A state in which a portion arranged in the first direction of the take-out portion provided in the tape cassette having the take-out portion from which the electronic component is taken out is supported from a second direction crossing the first direction. Then, the gripping part is moved in the first direction to take out the electronic component from the takeout part,
A method for manufacturing a substrate, wherein the electronic component is mounted on a substrate by moving the grip portion from which the electronic component has been taken out.

DESCRIPTION OF SYMBOLS 18 ... Guide rail 19 ... 2nd support part 19a, 19b ... Through-hole 21 ... Tape cassette 22 ... Extraction part 23 ... 1st support part 23a, 23b ... Positioning pin 100 ... Mounting apparatus P ... Centerline

Claims (9)

A first support portion provided in a tape cassette having a take-out portion from which an electronic component is taken out from a first direction and disposed in the first direction of the take-out portion;
A tape cassette positioning mechanism, comprising: a second support portion that is provided in an attachment / detachment portion to which the tape cassette is attached / detached, and that supports the first support portion from a second direction intersecting the first direction. The tape cassette positioning mechanism according to claim 1,
The tape cassette positioning mechanism, wherein the first support portion is supported by the second support portion at a plurality of positions. The tape cassette positioning mechanism according to claim 1,
The first support portion has a protrusion protruding in a direction opposite to the second direction,
The second support part has a hole part that forms a pair with the protrusion part. A tape cassette positioning mechanism. A tape cassette positioning mechanism according to claim 3,
The hole has a shape that is long in the first direction. Tape cassette positioning mechanism. A take-out unit from which the electronic component is taken out from the first direction;
A first support that is disposed in the first direction of the take-out portion and is supported from a second direction that intersects the first direction by a second support portion that is provided in the attachment / detachment portion to which the tape cassette is attached / detached. A tape cassette comprising a support part. The tape cassette according to claim 5,
The first support portion engages with the second support portion in accordance with the movement when the tape cassette is moved in a direction opposite to the second direction and is attached to the attachment / detachment portion. Tape cassette. A detachable part to which a tape cassette having a takeout part from which an electronic component is taken out is attached and detached;
A mounting head for taking out the electronic component in the take-out portion from the first direction of the take-out portion when the tape cassette is attached to the detachable portion;
A second support for supporting the first support portion in the first direction with respect to the take-out portion of the tape cassette from a second direction intersecting the first direction when the tape cassette is in the mounted state; And a mounting device. The mounting apparatus according to claim 7,
The second support portion engages with the first support portion in accordance with the movement when the tape cassette is moved in a direction opposite to the second direction and attached to the detachable portion. apparatus. Grip in a state in which a portion arranged in a first direction of the take-out part provided in a tape cassette having a take-out part from which an electronic component is taken out is supported from a second direction crossing the first direction. Moving the part in the first direction to take out the electronic component from the take-out part,
A method for manufacturing a substrate, wherein the electronic component is mounted on a substrate by moving the grip portion from which the electronic component has been taken out.

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