JP5419574B2 - Electronic component feeder - Google Patents

Description

  The present invention relates to an electronic component feeder, and more particularly to an electronic component feeder that supplies electronic components to an electronic component mounting apparatus.

In a conventional electronic component mounting apparatus, a plurality of detachable electronic component feeders are attached to a feeder bank, and a head adsorbs an electronic component from a predetermined electronic component feeder and transfers it to a mounting position on a substrate for mounting.
As shown in FIG. 9, the electronic component feeder 100 feeds the electronic components by feeding out the tape 101 in which the electronic components are sealed with the cover film 103 in the recesses formed at uniform intervals from the tape reel 102. Things are common. The electronic component feeder 100 includes a frame 104 on which the transport path of the tape 101 is formed, a feed motor 105 that is a transport drive source of the tape 101, a transport sprocket 106 that is rotationally driven by the feed motor 105, and a transport path. And a driven sprocket 107 provided in the middle (see, for example, Patent Document 1).
The tape 101 encapsulating the electronic components is formed with holes for meshing at uniform intervals, and the transport sprocket 106 has pawls formed on the outer periphery thereof at intervals equal to the holes in the holes of the tape 101. When the rotation is driven by the feed motor 105, the pawls are sequentially fitted into the holes so that a necessary amount of tape is conveyed.
Further, the driven sprocket 107 of the electronic component feeder 100 is for applying torque to the peeling roller 108 that winds up to peel off the cover film 103 of the tape 101. The driven sprocket 107 obtains torque from the tape 101 conveyed by the drive sprocket 106 and transmits the rotation to the peeling roller 108 by the transmission gear 109 so that the cover film 103 can be peeled off along with the conveyance of the tape 101.

JP 2008-226938 A

However, since the above-described prior art has a structure including a plurality of sprockets, when attaching the tape to the electronic component feeder, it is necessary to attach the tape by aligning the hole of the tape with the claw of each sprocket. As a result, there has been a problem that the work efficiency is lowered.
Some electronic component feeders have only one sprocket. For example, when an electronic component feeder such as the above-mentioned prior art is used, There has also been a problem that there is a risk of oversight of the work of fitting the hole of the tape.
Furthermore, as described above, when the insertion of the tape into the driven sprocket is overlooked or when the tape hole is broken, the claw of the driven sprocket is not fitted into the hole of the tape, that is, The driven sprocket continued to rotate while the tip of the claw was in contact with a portion other than the hole of the tape, which could damage or damage the tape. In addition, when such a feed without the claw being fitted is found, it is necessary to reattach the tape, which causes a further reduction in work efficiency.

Note that the above-mentioned problem is not limited to the case where the driven sprocket as shown in the prior art is provided for rotating the peeling roller. This is a problem that can occur in general when a driven roller is provided.
For example, the driven sprocket can be used for smooth feeding by providing it at the bent position when the tape transport path is bent, but the problem described above also occurs in such a case. I think that the.

  An object of the present invention is to solve a problem relating to the mounting of a tape when a driven sprocket is provided in an electronic component feeder.

  In order to solve the above-mentioned problems, the invention according to claim 1 is an electronic component feeder, which rotates in a state in which the tooth tip meshes with a sprocket hole formed in a component housing tape that accommodates a plurality of electronic components. Possible transport sprocket, drive unit for rotating the transport sprocket, and driven sprocket whose tooth tip meshes with the sprocket hole of the component housing tape that is transported in one direction by the rotational drive of the transport sprocket. And a supporting portion that urges the driven sprocket toward the component receiving tape side, and is movably supported in a direction in contact with and away from the component receiving tape, and the driven sprocket pushed by the component receiving tape includes the component Rotation that contacts the driven sprocket and regulates the rotation of the driven sprocket when it moves away from the receiving tape Characterized in that it comprises a control unit.

  According to a second aspect of the present invention, in the electronic component feeder according to the first aspect of the present invention, the electronic component feeder further includes a tape pressing portion that presses the component accommodating tape conveyed along a predetermined path against the driven sprocket. .

According to a third aspect of the present invention, in the electronic component feeder according to the first or second aspect, the support portion is a direction perpendicular to the axial direction of the rotational axis of the driven sprocket, and the driven sprocket is the component. A guide member having a long hole that is supported so as to be movable in a direction in which it is in contact with and away from the housing tape; and a biasing member that biases the rotating shaft of the driven sprocket toward the distal end side of the long hole. wherein said rotary shaft that is energized when in contact with the distal end of the elongated hole, the axis of the rotating shaft, is positioned against the axis of the transfer sprocket, transferred by the transfer sprockets by The sprocket hole of the component accommodating tape is arranged to rotate in conjunction with the tooth tip of the driven sprocket meshing with the sprocket hole .

According to a fourth aspect of the present invention, in the electronic component feeder according to the third aspect, the distal end side of the elongated hole has a substantially V-shaped contact surface, and the contact surface and the rotation shaft Are in contact with each other at two locations, the shaft center of the rotating shaft is positioned with respect to the shaft center of the transport sprocket, and the tooth tip of the driven sprocket is inserted into the sprocket hole of the component housing tape transported by the transport sprocket. It becomes the arrangement | positioning which interlock | cooperates and rotates by meshing .

According to the present invention, the electronic component feeder moves the driven sprocket whose tooth tip is not engaged with the sprocket hole of the component storage tape in a direction away from the component storage tape, and applies the driven sprocket to the rotation restricting portion. The rotation can be regulated by contact.
The sprocket hole of the component accommodating tape conveyed by the rotation of the conveying sprocket corresponds to the tooth tip of the driven sprocket whose rotation is stopped in a state where the driven sprocket is biased to the component accommodating tape side. When it is sent to the position, the tip of the driven sprocket can be automatically engaged with the sprocket hole of the component receiving tape so that the driven sprocket is pushed up by the support portion at the timing when the tooth tip catches the sprocket hole. .

In other words, at the start of use of the electronic component feeder, the sprocket hole of the component storage tape is set so as to mesh only with the tooth tip of the transport sprocket, and the transport sprocket is rotated to transport the component storage tape, thereby quickly following it. The driven sprocket can be rotated by automatically engaging the sprocket teeth with the sprocket holes of the component housing tape.
In addition, even if the tooth tip of the driven sprocket may come off from the sprocket hole of the component housing tape being conveyed, the tooth tip of the driven sprocket is automatically meshed with the sprocket hole of the component housing tape, The driven sprocket can be rotated.
As described above, the electronic component feeder according to the present invention can automatically mesh the sprocket hole with the tooth tip of the driven sprocket, and can suitably mount the component housing tape on the driven sprocket.

It is a perspective view which shows the electronic component mounting apparatus with which the electronic component feeder which concerns on this invention is provided. It is a perspective view which shows the electronic component feeder which concerns on this invention. It is a perspective view which shows the tape feeding mechanism of the electronic component feeder which concerns on this invention. It is a side view which shows the support part in the tape feeding mechanism of an electronic component feeder. It is sectional drawing in the VV line of FIG. It is a side view which shows the tape feeding mechanism of an electronic component feeder. It is an enlarged view which shows the tape feeding mechanism of an electronic component feeder. It is explanatory drawing which shows the modification of the tape feeding mechanism of an electronic component feeder. It is a side view which shows the conventional electronic component feeder.

Hereinafter, embodiments of the present invention will be described in detail.
An electronic component feeder according to the present invention is detachably provided in an electronic component mounting apparatus, and supplies an electronic component to the electronic component mounting apparatus by sending a component storage tape that stores the electronic component to a component supply position. .

FIG. 1 is a perspective view of an electronic component mounting apparatus 1 provided with an electronic component feeder 10, and FIG. 2 is a perspective view of the electronic component feeder 10.
Hereinafter, as shown in the drawing, two directions orthogonal to each other on the horizontal plane are respectively referred to as an X-axis direction and a Y-axis direction, and a vertical direction orthogonal to these directions is referred to as a Z-axis direction.

  As shown in FIG. 1, the electronic component mounting apparatus 1 includes a base 2 on which each component is placed on the upper surface, and a substrate transport that transports the substrate P from the previous process to the subsequent process along the X-axis direction. Means 3, a feeder housing 4 provided with an electronic component feeder 10, a mounting head 6 for mounting an electronic component supplied by the electronic component feeder 10 on the substrate P, and the mounting head 6 in each direction of the X and Y axes It has a moving head moving means 7 and the like.

The substrate transport means 3 includes a transport belt (not shown), and transports the substrate P along the X-axis direction from the pre-process side to the post-process side.
Moreover, since the board | substrate conveyance means 3 mounts an electronic component on the board | substrate P with the mounting head 6, it stops conveyance of the board | substrate P in a predetermined component mounting position, and also supports the board | substrate P. FIG.

  The feeder storage unit 4 is provided on the base 2. The feeder storage unit 4 is detachably provided so that the electronic component feeder 10 has a longitudinal direction orthogonal to the transport direction of the substrate P and a plurality of electronic component feeders 10 are arranged in parallel.

The mounting head 6 is provided on a beam member 72 to be described later, and has a predetermined number of suction nozzles 6a protruding downward (Z-axis direction). The suction nozzle 6a is detachably provided so that it can be exchanged according to the size and shape of the electronic component to be sucked and held.
The suction nozzle 6a is connected to, for example, an air suction means (not shown), and by passing vacuum air through a through hole (not shown) formed in the suction nozzle 6a, an electronic component is attached to the tip portion which is the lower end of the suction nozzle 6a. Can be adsorbed and held. Further, the air suction means is provided with an electromagnetic valve (not shown), and the ventilation of the vacuum air can be switched by the electromagnetic valve, and the air suction means is switched between the air suction state and the air release state. That is, when the air suction state is established, the vacuum air is passed through the through hole so that the electronic component can be adsorbed, and when the air release state is established, the inside of the through hole of the suction nozzle 6a is set to the atmospheric pressure state to suck the adsorbed electronic component. To release.

The mounting head 6 includes a Z-axis moving unit (not shown) that moves the suction nozzle 6a in the Z-axis direction and a Z-axis rotation unit (not shown) that rotates the suction nozzle 6a around the Z axis. .
The Z-axis moving means (not shown) is provided on the mounting head 6 and moves the suction nozzle 6a in the Z-axis direction. The suction nozzle 6a passes through the Z-axis moving means in the Z-axis direction. The mounting head 6 is provided so as to be freely movable. As the Z-axis moving means, for example, a combination of a servo motor and a belt, a combination of a servo motor and a ball screw, or the like can be applied.
The Z-axis rotating means (not shown) is a rotation driving means that is provided on the mounting head 6 and rotates the suction nozzle 6a. The suction nozzle 6a is centered on the Z-axis via the Z-axis rotating means. The mounting head 6 is rotatably provided. The Z-axis rotating means includes, for example, an angle adjustment motor and an encoder that detects the rotation angle amount of the angle adjustment motor.

  The head moving unit 7 includes an X-axis moving unit 7a that moves the mounting head 6 in the X-axis direction, and a Y-axis moving unit 7b that moves the mounting head 6 in the Y-axis direction.

  The X-axis moving unit 7a is supported by guide members 71 and 71 provided on the substrate transfer path of the substrate transfer unit 3 so as to straddle the direction (Y-axis direction) perpendicular to the transfer direction of the substrate P. A rail-like support member (not shown) provided on the side surface of the beam member 72 extending in the direction and a drive means (not shown) for moving the mounting head 6 supported by the support member in the X-axis direction are provided. . As this driving means, for example, a linear motor, a combination of a servo motor and a belt, a combination of a servo motor and a ball screw, or the like can be applied.

The Y-axis moving unit 7b is a rail-like support member (not shown) provided on the upper surfaces of the guide members 71 and 71 and a drive unit (not shown) that moves the beam member 72 supported by the support member in the Y-axis direction. It has. As this driving means, for example, a linear motor, a combination of a servo motor and a belt, a combination of a servo motor and a ball screw, or the like can be applied.
The beam member 72 is provided such that the upper surface of the guide members 71 and 71 can be moved in the Y-axis direction by the Y-axis moving means 7 b, and the mounting head 6 can be moved in the Y-axis direction via the beam member 72.

  The mounting head 6 is moved by the head moving means 7 in the X-axis direction and the Y-axis direction, and the electronic component held by the component storage tape A supplied to the component supply position 16 of the electronic component feeder 10 is transferred to the mounting head. 6 is sucked by the suction nozzle 6a and mounted on the substrate P at the component mounting position in the substrate transport means 3.

As shown in FIG. 2, the electronic component feeder 10 is detachably set on a frame 10 a of the feeder 10, a reel 11 around which a component storage tape A composed of a carrier tape B and a cover tape C is wound, and a component storage tape A tape feeding mechanism 20 for feeding A in the transport direction, a peeling portion 13 for peeling the cover tape C in the component storage tape A from the carrier tape B, a recovery reel 14 for collecting the cover tape C peeled off by the peeling portion 13 and the like It has.
The electronic component feeder 10 feeds the component accommodating tape A wound around the reel 11 by the tape feeding mechanism 20 in the transport direction (see the arrow in FIG. 2), and the carrier at the peeling portion 13 in the middle of the transport path. The cover tape C is peeled from the tape B. The peeled cover tape C is collected on the collection reel 14 by being sequentially wound around the collection reel 14. When the cover tape C is peeled off, the concave portion h of the carrier tape B is exposed.
The carrier tape B transports the electronic components housed and held in the recesses h to a predetermined component supply position 16, and then is transported below the feeder 10 main body and discharged to the outside of the electronic component feeder 10.
The electronic components held on the carrier tape B sent to the component supply position 16 of the electronic component feeder 10 are sucked by the suction nozzle 6a of the mounting head 6 and sent to the substrate P for mounting.

As shown in FIGS. 3 to 5, the tape feeding mechanism 20 includes a transport sprocket 21 that is pivotally supported by the frame 10 a of the electronic component feeder 10, a drive unit 22 that rotationally drives the transport sprocket 21, a driven sprocket 23, A support portion 24 that supports the driven sprocket 23, a rotation restricting portion 25 that restricts the rotation of the driven sprocket 23, a tape pressing portion 26 that presses the component housing tape A against the driven sprocket 23, and the like are provided.
The component housing tape A is formed with a sprocket hole H in which the sprocket tooth tip meshes. Further, a concave portion h in which an electronic component is accommodated is formed on the carrier tape B side of the component accommodation tape A.

The conveyance sprocket 21 has a rotation shaft serving as a rotation center supported on the frame 10a. The transport sprocket 21 is rotatably provided with a tooth tip meshed with a sprocket hole H formed in a component housing tape A that houses a plurality of electronic components.
The drive unit 22 includes, for example, a motor and a gear that transmits driving of the motor, and the transport sprocket 21 is rotationally driven by the drive unit 22.
When the transport sprocket 21 is rotated in a predetermined direction by the drive unit 22, the component housing tape A in which the tooth tips of the transport sprocket 21 are engaged is transported along a one-way path from the upstream side to the downstream side. It has come to be.

The driven sprocket 23 is rotatably provided on the frame 10 a via a support portion 24, and a rotation shaft 23 a serving as the center of rotation is pivotally supported on the support portion 24.
The driven sprocket 23 is rotated along with the conveyance of the component accommodation tape A in a state where the tooth tip is engaged with the sprocket hole H of the component accommodation tape A conveyed in one direction by the rotational drive of the conveyance sprocket 21. It is like that.
The driven sprocket 23 is urged toward the component housing tape A by the support portion 24 and is supported so as to be movable in a direction in which it is in contact with and away from the component housing tape A.

As shown in FIGS. 4 and 5, the support 24 supports, for example, a guide member 41 having a long hole 41a in which the rotation shaft 23a of the driven sprocket 23 is inscribed, and a rotation shaft 23a disposed in the long hole 41a. A pusher 42 supported by the recess 42a, and a compression spring 43 that urges the rotary shaft 23a upward, which is the tip side of the long hole 41a, via the pusher 42 are provided. The pusher 42 and the compression spring 43 constitute an urging member.
The driven sprocket 23 is attached to the frame 10a by a flange shaft 44 in order to suppress backlash in the thrust direction.

The guide member 41 has a long hole 41a that has a substantially pentagonal shape and extends in the vertical direction, and is fixed to the frame 10a. The left and right widths of the long hole 41a are formed to be approximately the same size as the outer diameter of the rotary shaft 23a, and can move in the vertical direction so that the left and right ends of the rotary shaft 23a are in sliding contact with the left and right inner surfaces of the long hole 41a. It has become.
The guide member 41 supports the rotation shaft 23a of the driven sprocket 23 held in the elongated hole 41a so as to be movable in the vertical direction perpendicular to the axial direction, and guides the driven sprocket 23 in the vertical direction. Yes.
Moreover, the front end side which is the upper end of the long hole 41a becomes the contact surface 41b which comprises a substantially V shape.

The pusher 42 is arranged between the frame 10a and the guide member 41, and the pusher 42 is provided so as to be movable in the vertical direction contacting and leaving the contact surface 41b of the elongated hole 41a.
A support concave portion 42a in which the rotary shaft 23a is accommodated is formed at an upper portion of the pusher 42 and at a location facing the contact surface 41b of the elongated hole 41a. The rotating shaft 23a is supported by the support recess 42a, and the rotating shaft 23a is supported at a position between the contact surface 41b.
The compression spring 43 is provided between the lower part of the pusher 42 and the frame 10a. The compression spring 43 biases the pusher 42 toward the upper contact surface 41b, and elastically supports the rotary shaft 23a via the pusher 42. doing.

When the rotary shaft 23a biased upward by the pusher 42 and the compression spring 43 contacts the contact surface 41b on the distal end side of the long hole 41a, the contact surface 41b and the rotary shaft 23a are at two locations. By contacting, the arrangement of the rotary shaft 23 a is restricted, and the axis of the rotary shaft 23 a is positioned at a predetermined position with respect to the axis of the transport sprocket 21. This positioned arrangement is an appropriate arrangement in which the sprockets are suitably rotated in conjunction with each other, for example, the phase and period of rotation of the driven sprocket 23 and the conveying sprocket 21 coincide.
In addition, the tooth tip of the driven sprocket 23 meshes with the sprocket hole H of the component housing tape A in a state where the rotating shaft 23a is in contact with the contact surface 41b of the long hole 41a. In other words, in a state where the tooth tip of the driven sprocket 23 is engaged with the sprocket hole H of the component housing tape A, the rotating shaft 23a of the driven sprocket 23 comes into contact with the contact surface 41b of the elongated hole 41a. .
In addition, when the driven sprocket 23 is pushed by the component receiving tape A without the tooth tip of the driven sprocket 23 being aligned with the sprocket hole H of the component receiving tape A, the compression spring 43 of the support portion 24 is contracted and driven. The sprocket 23 moves in a direction away from the component housing tape A, and the rotary shaft 23a is separated from the contact surface 41b of the elongated hole 41a. When the driven sprocket 23 moves so that the rotary shaft 23a is separated from the contact surface 41b, the driven sprocket 23 comes into contact with the rotation restricting portion 25.

The rotation restricting portion 25 is, for example, an elastically deformable brake member. When the rotation restricting portion 25 abuts on the driven sprocket 23, the rotation restricting portion 25 imparts rotational resistance (friction torque) to the driven sprocket 23 and restricts the rotation of the driven sprocket 23. It has a function.
Specifically, the rotation restricting portion 25 is configured such that the driven sprocket 23 pushed by the component accommodating tape A is separated from the component accommodating tape A without the tooth tip of the driven sprocket 23 being aligned with the sprocket hole H of the component accommodating tape A. When it moves to the direction which carries out, it contacts the driven sprocket 23 and regulates rotation of the driven sprocket 23. Since the rotation restricting portion 25 can be elastically deformed, the driven sprocket 23 that is in contact with the rotation restricting portion 25 is not damaged.

The tape holding portion 26 is provided at a position facing the upper end side of the driven sprocket 23 with the component storage tape A interposed therebetween, and a function of pressing the component storage tape A conveyed along a predetermined path against the driven sprocket 23. Have
The tape pressing portion 26 presses the component housing tape A against the driven sprocket 23 so that the tooth tip of the driven sprocket 23 does not come off from the sprocket hole H of the component housing tape A. Further, the tape pressing portion 26 presses the component housing tape A against the driven sprocket 23 so that the teeth of the driven sprocket 23 that do not mesh with the sprocket holes H of the component housing tape A mesh with the sprocket holes H. ing.

  Next, the operation of the tape feeding mechanism 20 in the electronic component feeder 10 will be described.

As shown in FIG. 6, when the conveying sprocket 21 is rotated in a state where the tooth tip of the conveying sprocket 21 is engaged with the sprocket hole H of the component accommodating tape A, the component accommodating tape A is moved along a predetermined path. Be transported.
The rotating shaft 23a of the driven sprocket 23 urged toward the component housing tape A by the support portion 24 contacts the contact surface 41b of the elongated hole 41a, and the tooth tip of the driven sprocket 23 is the sprocket of the component housing tape A. In the state of meshing with the hole H, the driven sprocket 23 suitably rotates with the movement of the component storage tape A to be conveyed. In particular, the rotation shaft 23 a of the driven sprocket 23 is in contact with the contact surface 41 b of the elongated hole 41 a, so that the axis of the rotation shaft 23 a of the driven sprocket 23 is positioned at a predetermined position with respect to the axis of the transport sprocket 21. Thus, since the correlation between the rotations of the driven sprocket 23 and the transport sprocket 21 is appropriate in the positioned arrangement, the driven sprocket 23 is preferably rotated.

  The driving force generated by the rotation of the driven sprocket 23 can be used as a driving force for rotating the recovery reel 14 of the electronic component feeder 10, for example. The driving force accompanying the rotation of the driven sprocket 23 is not necessarily used for the rotation of the recovery reel 14, but the rotating driven sprocket 23 can be used as a driving source for any other operating location. Further, the driven sprocket 23 can also be used for the purpose of smoothly feeding the tape by providing it at the bent position when the conveying path of the component housing tape A is bent.

However, as shown in FIG. 7, when some trouble occurs in the electronic component feeder 10, the tooth tip of the driven sprocket 23 that meshes with the sprocket hole H of the component housing tape A may come off. is there.
In this case, the driven sprocket 23 in which the tooth tip does not mesh with the sprocket hole H of the component housing tape A moves in a direction away from the component housing tape A when pushed by the component housing tape A, and enters the rotation restricting portion 25. Abut. The driven sprocket 23 that is in contact with the rotation restricting portion 25 is temporarily restricted from rotating.
On the other hand, since the rotation of the transport sprocket 21 is continued, the component housing tape A is transported so as to slide on the driven sprocket 23 that has stopped rotating.
Here, the tape pressing portion 26 presses the component accommodating tape A conveyed along a predetermined path against the driven sprocket 23, and the support portion 24 attaches the driven sprocket 23 to the component accommodating tape A side. Therefore, the component housing tape A and the driven sprocket 23 are in a state of abutting each other. Then, the sprocket hole H of the component receiving tape A being conveyed by the rotation of the conveying sprocket 21 is stopped while the component accommodating tape A and the driven sprocket 23 are abutted by the tape pressing portion 26 and the support portion 24. When the position corresponding to the tooth tip of the driven sprocket 23 is reached, the driven sprocket 23 is pushed up by the support portion 24 so that the tooth tip catches the sprocket hole H, and the tooth tip of the driven sprocket 23 becomes the sprocket hole of the component housing tape A. Engage with H. Then, the driven sprocket 23 resumes rotating.

As described above, the electronic component feeder 10 according to the present invention regulates and supports the rotation of the driven sprocket 23 whose tooth tips do not mesh with the sprocket holes H by the rotation regulating portion 25 provided in the tape feeding mechanism 20. The tooth tip of the driven sprocket 23 can be automatically and quickly engaged with the sprocket hole H of the component housing tape A being conveyed by the urging force of the portion 24.
If the rotation restricting portion 25 is not provided, the driven sprocket 23 rotates so as to be dragged to the bottom surface of the conveyed component housing tape A, and the tooth tip of the driven sprocket 23 catches the sprocket hole H. I can't. Then, there may be a trouble that the tooth tip of the driven sprocket 23 that is not meshed with the sprocket hole H is broken or a trouble that the component housing tape A that the tooth tip hits is damaged.

Further, the tape feeding mechanism 20 of the electronic component feeder 10 according to the present invention automatically engages the tooth tip of the driven sprocket 23 with the sprocket hole H of the component housing tape A. The tooth tip is disengaged from the sprocket hole H. It is not only executed in case of trouble.
For example, when the transport sprocket 21 is rotated while the sprocket hole H of the component housing tape A is engaged with only the tooth tip of the transport sprocket 21 at the start of use of the electronic component feeder 10, the tooth tip is formed in the sprocket hole H. Although the rotation of the driven sprocket 23 that is not engaged is restricted by the rotation restricting portion 25, the sprocket hole H of the component housing tape A that is conveyed by the rotation of the conveying sprocket 21 corresponds to the tooth tip of the driven sprocket 23. When the sprocket 23 is sent to the position, the driven sprocket 23 is promptly pushed up by the support portion 24, the sprocket hole H and the tooth tip mesh with each other, and the driven sprocket 23 can be automatically rotated.

As described above, the electronic component feeder 10 according to the present invention moves the driven sprocket 23 whose tooth tip does not mesh with the sprocket hole H of the component housing tape A in the direction away from the component housing tape A, The driven sprocket 23 can be brought into contact with the rotation restricting portion 25 to restrict its rotation.
Then, in the state where the support portion 24 biases the driven sprocket 23 toward the component housing tape A, the driven sprocket 23 in which the sprocket hole H of the component housing tape A being conveyed by the rotation of the conveying sprocket 21 is stopped rotating. At the position corresponding to the tooth tip, the driven sprocket 23 is pushed up by the support portion 24, so that the tooth tip of the driven sprocket 23 can be automatically meshed with the sprocket hole H of the component housing tape A.

That is, at the start of use of the electronic component feeder 10, the sprocket hole H of the component storage tape A is set so as to mesh only with the tooth tip of the transport sprocket 21, and the transport sprocket 21 is rotated to transport the component storage tape A. Thus, the tooth tip of the driven sprocket 23 can be automatically meshed with the sprocket hole H of the component housing tape A, and the driven sprocket 23 can be rotated.
Thereby, the operation | work which meshes the sprocket hole H of the component accommodation tape A with the tooth tip of the driven sprocket 23 at the time of the start of use of the electronic component feeder 10 can be omitted. Further, troubles caused by overlooking the operation of fitting the sprocket hole H into the tooth tip of the driven sprocket 23 can be prevented.

Further, even if the tooth tip of the driven sprocket 23 comes off from the sprocket hole H of the component accommodating tape A being conveyed, the tooth tip of the driven sprocket 23 is automatically transferred to the sprocket hole H of the component accommodating tape A. And the driven sprocket 23 can be rotated.
As a result, the driven sprocket 23 in which the tooth tip does not mesh with the sprocket hole H continues to rotate, so that the tooth tip of the driven sprocket 23 is damaged or the component housing tape A in which the tooth tip hits. Can be reduced.

  Thus, the electronic component feeder 10 according to the present invention enables the sprocket hole H to automatically mesh with the tooth tip of the driven sprocket 23 so that the component housing tape A can be suitably mounted on the driven sprocket 23.

The present invention is not limited to the above embodiment.
In the above-described embodiment, the conveying sprocket 21 and the driven sprocket 23 are arranged on the same lower surface side with respect to the component housing tape A. For example, as shown in FIG. The conveying sprocket 21 may be arranged and the driven sprocket 23 may be arranged on the other side.

  The application of the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 10 Electronic component feeder 20 Tape feed mechanism 21 Conveyance sprocket 22 Drive part 23 Driven sprocket 23a Rotating shaft 24 Support part 41 Guide member 41a Elongate hole 41b Contact surface 42 Pusher (biasing member)
43 Compression spring (biasing member)
44 Flange shaft 25 Rotation restricting portion 26 Tape holding portion A Parts receiving tape H Sprocket hole

Claims (4)

A transport sprocket that is rotatable in a state in which the tooth tips mesh with sprocket holes formed in a component housing tape that accommodates a plurality of electronic components;
A drive unit for rotationally driving the transport sprocket;
A driven sprocket that rotates with a tooth tip meshing with a sprocket hole of the component housing tape that is conveyed in one direction by the rotational drive of the conveying sprocket;
A supporting portion that urges the driven sprocket toward the component housing tape and supports the driven sprocket so as to be movable in a direction in which the driven sprocket contacts and separates from the component housing tape;
A rotation restricting portion that contacts the driven sprocket and restricts rotation of the driven sprocket when the driven sprocket pushed by the component containing tape moves in a direction away from the component containing tape;
An electronic component feeder comprising:   The electronic component feeder according to claim 1, further comprising a tape pressing portion that presses the component housing tape conveyed along a predetermined path against the driven sprocket. The support portion includes a guide member having an elongated hole that supports the rotational axis of the driven sprocket so as to be movable in a direction orthogonal to the axial direction of the driven sprocket and in a direction in which the driven sprocket contacts and separates from the component housing tape ; An urging member that urges the rotation axis of the driven sprocket toward the tip side of the elongated hole
When the rotary shaft which is biased by the biasing member is in contact with the distal end of the elongated hole, the axis of the rotating shaft, is positioned against the axis of the transfer sprocket, by the transport sprocket The electronic component feeder according to claim 1 or 2, wherein the electronic component feeder is arranged to rotate in conjunction with a tooth tip of the driven sprocket meshing with the sprocket hole of the conveyed component housing tape . The elongate hole has a substantially V-shaped contact surface on the tip side, and the contact surface and the rotating shaft are in contact with each other at two locations, so that the axis of the rotating shaft is aligned with the conveying sprocket. The positioning of the driven sprocket is interlocked and rotated when the tooth tip of the driven sprocket meshes with the sprocket hole of the component housing tape positioned with respect to the shaft center and conveyed by the conveying sprocket. 3. The electronic component feeder according to 3.

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