JP2019192935A - Component supplying device and component supplying method - Google Patents

Abstract

To appropriately supply an axial component where a lead wire is bent.SOLUTION: Provided is a component supplying device for cutting the lead wire of a tape-housed component in which a plurality of axial components having a body part and a lead wire are taped to carrier tape, and which is positioned and removably mounted to a holding table provided in the component mounting device and conveyed in a horizontal posture at a prescribed conveyance height, and separating from the carrier tape, bending the lead wires of the axial components cut off the carrier tape, and supplying axial components having had the lead wires bent one by one at a component supply position. The component supplying device includes a support member for supporting one axial component having been cut off, the support member raising an axial component whose lead wire is bent to a component supply position that is higher than a prescribed conveyance height at which the tape-housed components are conveyed before being supplied.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a component supply apparatus and a component supply method for supplying an axial component with a bent lead wire.

  As described in the following patent document, the axial component is composed of a main body portion and a lead wire, and is supplied in a state where the lead wire is bent.

Japanese Patent Laid-Open No. 5-198990

  An object of the present invention is to appropriately supply an axial component having a bent lead wire.

In order to solve the above problems, a component supply device according to the present invention is positioned on a holding base provided in a component mounting device and is detachably mounted, and at a predetermined conveyance height in a horizontal posture. A plurality of axial parts having a main body part to be conveyed and lead wires are cut from the carrier tape by cutting the lead wires of the taped parts taped to the carrier tape, and the lead wires of the axial parts separated from the carrier tape A component supply device that supplies the bent axial components one by one at a component supply position, wherein the component supply device includes a support member that supports one of the separated axial components, A supporting member is configured such that the axial component with the lead wire bent is more than the predetermined conveying height at which the taped component is conveyed. It is characterized by being raised and supplied to the component supply position which is a high position.
Also, the component supply method according to the present invention is a component supply method for supplying axial components whose lead wires are bent to a work head for mounting components on a circuit substrate one by one, and the axial taped on a carrier tape. A separation step of separating the component from the carrier tape, a bending step of bending the lead wire of the axial component separated from the carrier tape, and the lead wire before the work head holds the bent axial component of the lead wire. And a supply step of supplying in a state where the end portion is stopped in a posture facing downward.

  In the component supply apparatus according to the present invention, the axial component having the bent lead wire is raised by the support member to a position higher than the conveying height at which the taped component is conveyed, and is supplied at that position. Thereby, the axial component in which the lead wire is bent can be appropriately supplied. Further, in the component supply method according to the present invention, the axial component in which the lead wire is bent is supplied in a state in which the end portion of the lead wire is stopped in a posture in which the lead wire is directed downward before being held by the work head. Thereby, the axial component in which the lead wire is bent can be appropriately supplied.

It is a perspective view which shows a component mounting apparatus. It is a perspective view which shows the component mounting apparatus of a component mounting apparatus. It is a top view which shows tape-ized components. It is a figure which shows the state with which the axial component was mounted | worn with the circuit base material. It is a perspective view of a tape feeder. It is an expansion perspective view of a tape feeder. It is an enlarged side view of a tape feeder. It is a front view of a forming cut mechanism. It is a perspective view of a forming cut mechanism. It is an enlarged view of a forming cut mechanism. It is sectional drawing in the AA line of FIG. It is a perspective view of a forming cut mechanism. It is an enlarged view of a forming cut mechanism. It is a perspective view of a forming cut mechanism.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as modes for carrying out the present invention.

<Configuration of component mounting device>
FIG. 1 shows a component mounting apparatus 10. The component mounting apparatus 10 is an apparatus for executing a component mounting operation on the circuit substrate 12. The component mounting apparatus 10 includes an apparatus main body 20, a base material conveyance holding device 22, a component mounting device 24, imaging devices 26 and 28, a bulk component supply device 30, and a component supply device 32. The circuit substrate 12 includes a circuit board, a three-dimensional structure substrate, and the like, and the circuit board includes a printed wiring board and a printed circuit board.

  The apparatus main body 20 includes a frame portion 40 and a beam portion 42 that is overlaid on the frame portion 40. The substrate conveyance holding device 22 is disposed in the center of the frame portion 40 in the front-rear direction, and includes a conveyance device 50 and a clamp device 52. The conveyance device 50 is a device that conveys the circuit substrate 12, and the clamp device 52 is a device that holds the circuit substrate 12. Thereby, the substrate conveyance holding device 22 conveys the circuit substrate 12 and holds the circuit substrate 12 fixedly at a predetermined position. In the following description, the conveyance direction of the circuit substrate 12 is referred to as an X direction, a horizontal direction perpendicular to the direction is referred to as a Y direction, and a vertical direction is referred to as a Z direction. That is, the width direction of the component mounting apparatus 10 is the X direction, and the front-rear direction is the Y direction.

  The component mounting device 24 is disposed in the beam portion 42 and includes two work heads 60 and 62 and a work head moving device 64. A component holding chuck (see FIG. 2) 66 is detachably provided on the lower end surface of each of the work heads 60 and 62. The component holding chuck 66 has a pair of holding claws (not shown), and holds the component by the pair of holding claws. The work head moving device 64 includes an X direction moving device 68, a Y direction moving device 70, and a Z direction moving device 72. Then, the two working heads 60 and 62 are integrally moved to arbitrary positions on the frame portion 40 by the X-direction moving device 68 and the Y-direction moving device 70. Further, as shown in FIG. 2, each work head 60, 62 is detachably attached to the sliders 74, 76, and the Z-direction moving device 72 individually moves the sliders 74, 76 in the vertical direction. That is, the work heads 60 and 62 are individually moved in the vertical direction by the Z-direction moving device 72.

  The imaging device 26 is attached to the slider 74 in a state of facing downward, and is moved together with the work head 60 in the X direction, the Y direction, and the Z direction. Thereby, the imaging device 26 images an arbitrary position on the frame unit 40. As shown in FIG. 1, the imaging device 28 is disposed between the base material conveyance holding device 22 and the component supply device 32 on the frame portion 40 so as to face upward. Thereby, the imaging device 28 images the components held by the component holding chuck 66 of the work heads 60 and 62.

  The bulk component supply device 30 is disposed at one end of the frame portion 40 in the front-rear direction. The separated component supply device 32 is a device for aligning a plurality of components scattered in a separated state and supplying the components in an aligned state. That is, it is an apparatus that aligns a plurality of components in an arbitrary posture into a predetermined posture and supplies the components in a predetermined posture.

  The component supply device 32 is disposed at the other end of the frame portion 40 in the front-rear direction. The component supply device 30 includes a tray-type component supply device 78 and a feeder-type component supply device 80. The tray-type component supply device 78 is a device that supplies components placed on the tray. The feeder-type component supply device 80 is a device that supplies components by the tape feeder 82. Hereinafter, the tape feeder 82 will be described in detail. Examples of parts supplied by the bulk parts supply device 30 and the parts supply device 32 include electronic circuit parts, solar cell components, power module components, and the like. Electronic circuit components include components having leads and components not having leads.

  The tape feeder 82 is detachably mounted on a tape feeder holding base 86 fixedly provided at the other end of the frame portion 40. The tape feeder 82 is a device that removes an axial component from the taped component (see FIG. 3) 88 and supplies the removed axial component in a bent state.

  As illustrated in FIG. 3, the taped component 88 includes a plurality of axial components 90 and two carrier tapes 92. The axial component 90 includes a generally cylindrical main body 96 and two lead wires 98. The two lead wires 98 are generally straight, and are fixed to both end faces of the main body 96 coaxially with the axis of the main body 96. Then, in a state where the axial component 90 is sandwiched between the two carrier tapes 92, the two lead wires 98 are attached to the two carrier tapes 92 at the tips of the two lead wires 98, that is, at the end opposite to the main body 96. Taped. The plurality of axial parts 90 are taped to the two carrier tapes 92 at an equal pitch.

  Further, a crushing portion 100 is formed at the center of each lead wire 98. The crushing portion 100 is for separating the main body portion 96 of the axial component 90 and the circuit substrate 12 when the axial component 90 is mounted on the circuit substrate 12. Specifically, the two lead wires 98 of the axial component 90 are bent at the tape feeder 82 as will be described in detail later. Then, when the axial component 90 is mounted on the circuit substrate 12, the bent lead wire 98 is inserted into the through hole 102 formed in the circuit substrate 12 as shown in FIG. 4. The inner diameter of the through hole 102 is slightly larger than the outer diameter of the lead wire 98. On the other hand, the crushed portion 100 is a portion in which the lead wire 98 is crushed in the radial direction, and the inner diameter of the through hole 102 is smaller than the width of the crushed portion 100. For this reason, the lead wire 98 inserted into the through hole 102 is hooked at the crushing portion 100, and the axial component 90 is attached to the circuit base material 12 with the main body portion 96 floating from the circuit base material 12.

  Further, as shown in FIG. 5, the tape feeder 82 includes a taped component storage unit 106 and a feeder main body 107. A connector 108 and two pins 109 are provided on the front end surface of the feeder main body 107. When the tape feeder 82 is mounted on the tape feeder holding base 86, the connector 108 is connected to the tape feeder holding base. The pin 109 is fitted into a pin hole (not shown) formed in the tape feeder holding base 86. The taped component storage unit 106 stores a taped component 88. Then, the taped component 88 stored in the taped component storage unit 106 is pulled out, and the taped component 88 extends to the upper end surface of the feeder main body 107.

  As shown in FIGS. 6 and 7, a feeder 110 and a bending device 112 are disposed inside the feeder main body 107. The feeding device 110 includes a piston 114, a link mechanism 116, a feeding arm 118, and a reverse prevention arm 120. The piston 114 is disposed at the upper end in the feeder main body 107 so as to extend in a generally horizontal direction. The link mechanism 116 includes a support block 122 and two support arms 124, and is disposed on the front side of the piston 114. The support block 122 is fixed to the housing of the feeder main body 107. The two support arms 124 are arranged side by side in the front-rear direction so as to extend in the up-down direction, and are attached to the support block 122 at the lower end so as to be swingable. The feed arm 118 is swingably attached to the upper ends of the two support arms 124 in a posture that extends in the horizontal direction. A piston rod 126 of the piston 114 is connected to the rear end portion of the feed arm 118. As a result, the feed arm 118 swings in the front-rear direction and the up-down direction by the operation of the piston 114.

  A plurality of feed dogs 128 are formed at the center of the upper edge of the feed arm 118. The plurality of feed dogs 128 are engaged with the lead wires 98 of the axial component 90 of the taped component 88 extending to the upper end surface of the feeder main body 107. The formation pitch of the plurality of feed dogs 128 is the same as the arrangement pitch of the axial component 90 in the taped component 88. As a result, the taped component 88 is fed toward the front side of the tape feeder 82 when the feed arm 118 swings forward due to the operation of the piston 114. A support tooth 130 is formed at the front end of the feed arm 118, and the axial part 90 of the taped part 88 fed to the front side of the tape feeder 82 is supported by the support tooth 130.

  Further, the back-preventing arm 120 is disposed above the taped component 88 extending to the upper end surface of the feeder main body 107, and teeth 132 are formed at the tip of the back-preventing arm 120. Yes. The teeth 132 are engaged with the lead wire 98 of the axial component 90 of the taped component 88 from the rear side to prevent the taped component 88 from moving backward, that is, preventing the taped component 88 from returning backward. Yes.

  The bending device 112 includes a piston 150, a cam mechanism 152, and a forming / cutting mechanism (see FIGS. 8 and 9) 154. The piston 150 is disposed so as to extend in the horizontal direction in the central portion in the feeder main body 107. The cam mechanism 152 includes a cam member 160, a roller 162, and an elevating block 164, and is disposed on the front side of the piston 150. The cam member 160 has an inclined surface 166 that goes downward as it goes forward, and is movable in the front-rear direction. A piston rod 168 of the piston 150 is connected to the rear end surface of the cam member 160. The roller 162 is disposed in contact with the inclined surface 166 of the cam member 160 and functions as a cam follower. The roller 162 is rotatably held at the lower end of the lifting block 164, and the lifting block 164 is movable in the vertical direction. Accordingly, the cam member 160 moves in the front-rear direction by the operation of the piston 150, so that the roller 162 moves along the inclined surface 166 of the cam member 160, and the elevating block 164 moves up and down.

  Further, the forming / cutting mechanism 154 includes a support block 170, a pair of support members 172, a pair of cutters 174, and a pair of bending members 176, as shown in FIGS. 8 is a front view of the forming / cutting mechanism 154, and FIG. 9 is a perspective view of the forming / cutting mechanism 154. 10 is an enlarged view of the forming / cutting mechanism 154, and FIG. 11 is a cross-sectional view taken along line AA of FIG.

  The support block 170 is disposed below the main body portion 96 of the axial component 90 supported by the support teeth 130 of the feed arm 118 and is connected to the lifting block 164 of the cam mechanism 152. The support member 172 has a generally rectangular plate shape, and a V-shaped groove 178 is formed at the upper end. The pair of support members 172 are disposed so as to face each other with the support block 170 as a center, and are connected to the lifting block 164 of the cam mechanism 152. The pair of support members 172 are located below the base end portions of the pair of lead wires 98 of the axial component 90 supported by the support teeth 130 of the feed arm 118.

  Further, the pair of cutters 174 are disposed in a state of being opposed to each other with the support block 170 and the pair of support members 172 sandwiched between the support block 170 and the center. The distance between the cutter 174 and the support member 172 facing the cutter 174 is a predetermined dimension. In addition, the pair of cutters 174 is connected to the lifting block 164 of the cam mechanism 152. As a result, the lifting block 164 of the cam mechanism 152 is lifted and lowered by the operation of the piston 150, whereby the support block 170, the pair of support members 172, and the pair of cutters 174 move in the vertical direction.

  The pair of bending members 176 is generally in the form of a block having a plate thickness, and is disposed above the pair of lead wires 98 of the axial component 90 supported by the support teeth 130 of the feed arm 118. The length of the bending member 176 in the left-right direction is slightly longer than the distance between the cutter 174 and the support member 172 facing the cutter 174. Therefore, when the cutter 174 and the support member 172 move upward, the bending member 176 is located between the cutter 174 and the support member 172 as shown in FIG. At this time, the end surface of the bending member 176 on the support member 172 side and the support member 172 are in sliding contact, and the end surface of the bending member 176 on the cutter 174 side and the cutter 174 are in sliding contact.

  Further, a groove 180 extending in the left-right direction is formed on the bottom surface of the bending member 176 facing the lead wire 98 so as to face the lead wire 98. A hemispherical protruding portion 181 is disposed inside the groove 180 so as to protrude downward, and the protruding portion 181 faces the crushed portion 100 of the lead wire 98. Further, a tapered surface 182 is formed on the lower edge of the end surface of the bending member 176 on the support member 172 side. A needle pin 186 is disposed along the tapered surface 182, and a part of the needle pin 186 is exposed to the inside of the groove 180 and the tapered surface 182.

<Operation of component mounting device>
In the component mounting apparatus 10, the component mounting operation is performed on the circuit substrate 12 held by the substrate conveyance holding device 22 with the above-described configuration. Specifically, the circuit substrate 12 is transported to the work position, and is fixedly held by the clamp device 52 at that position. Next, the imaging device 26 moves above the circuit substrate 12 and images the circuit substrate 12. Thereby, the information regarding the position of the through-hole 102 formed in the circuit base material 12 is obtained. Also, the bulk component supply device 30 or the component supply device 32 supplies components at a predetermined supply position. Hereinafter, the supply of components by the feeder-type component supply device 80 of the component supply device 32 will be described in detail.

  In the feeder-type component supply device 80, in the tape feeder 82, the taped component 88 extending to the upper end surface of the feeder main body 107 is sent out toward the component supply position by the operation of the piston 114 of the feeding device 110. When the taped component 88 is fed out and the axial component 90 of the taped component 88 reaches the component supply position, the lead wire 98 of the axial component 90 is supported by the support teeth 130 of the feed arm 118. In this state, when the piston 150 of the forming / cutting mechanism 154 is operated, the elevating block 164 is raised, and the support block 170, the pair of support members 172, and the pair of cutters 174 of the cut mechanism 154 are raised.

  At this time, the support block 170 comes into contact with the main body portion 96 of the axial component 90, the support member 172 comes into contact between the proximal end portion of the lead wire 98 and the crushed portion 100 inside the groove 178, and the cutter 174 It contacts between the front-end | tip part of the lead wire 98, and the crushing part 100. FIG. Then, as the support block 170, the pair of support members 172, and the pair of cutters 174 rise, the axial component 90 is lifted as shown in FIG. 13, and the lead wire 98 is connected to the cutter 174 and the bending member 176. Between the end face of the cutter 174 side. As a result, the lead wire 98 is cut at a location between the cutter 174 and the end surface of the bending member 176 on the cutter 174 side, and the axial component 90 is separated from the carrier tape 92.

  Further, when the support block 170, the pair of support members 172, and the pair of cutters 174 rise, the lead wire 98 of the axial component 90 comes into contact with the protruding portion 181 of the bending member 176 at the collapsed portion 100. At this time, when the crushed portion 100 is inclined with respect to the horizontal plane, the crushed portion 100 comes into contact with the projecting portion 181 so that there is no angle with respect to the horizontal plane, that is, the crushed portion 100 becomes horizontal. . In detail, since the crushing part 100 is the part which crushed the lead wire 98 in radial direction as mentioned above, it is generally plate-shaped. When the plate-like crushing portion 100 is inclined with respect to the horizontal plane, when the lead wire 98 comes into contact with the projecting portion 181, the lead wire 98 rotates around its axis, and the plate-like crushing portion 100 becomes horizontal.

  Further, when the support block 170, the pair of support members 172, and the pair of cutters 174 rise, the axial component 90 rises in a state where the crushed portion 100 of the lead wire 98 is in contact with the protruding portion 181 of the bending member 176. The lead wire 98 begins to bend. At this time, the bent portion of the lead wire 98 is a portion supported by the groove 178 of the support member 172. As the support block 170, the pair of support members 172, and the pair of cutters 174 rise, the lead wire 98 enters the groove 180 of the bending member 176 and the needle pin 186 provided on the tapered surface 182. To touch. At this time, the lead wire 98 is bent between a portion in contact with the needle pin 186 and a portion supported by the groove 178 of the support member 172, and the support block 170 and the pair of support members 172 and 1. The pair of cutters 174 is further raised. As a result, the lead wire 98 of the axial component 90 is bent at a substantially right angle as shown in FIG.

  As described above, in the forming / cutting mechanism 154, when the lead wire 98 is bent, the protrusion 181 of the bending member 176 contacts the lead wire 98, so that the needle 98 is slightly bent, and then the needle is cut. The pin 186 contacts the lead wire 98, and the lead wire 98 is bent. That is, the contact of the needle pin 186 after the lead wire 98 is slightly bent by the projection 181 coming into contact with the position away from the portion of the lead wire 98 supported by the support member 172 toward the tip. As a result, the lead wire 98 is bent. For this reason, using the principle of leverage, the lead wire is further bent after the lead wire is bent to some extent. Thereby, the lead wire 98 can be appropriately bent.

  In the forming / cutting mechanism 154, the protruding portion 181 of the bending member 176 contacts the crushed portion 100 of the lead wire 98, so that the plate-like crushed portion 100 is horizontal. This prevents the collapsed portion 100 from being caught on the needle pin 186 and allows the lead wire 98 to be bent appropriately. Specifically, if the protruding portion 181 is not provided on the bending member 176, the collapsed portion 100 may contact the needle pin 186 in a state where the collapsed portion 100 is inclined with respect to the horizontal plane. In such a case, since the crushed portion 100 contacts the needle pin 186 in an inclined state, the crushed portion 100 may be caught by the needle pin 186 and the lead wire 98 may not be bent appropriately. On the other hand, in the forming / cutting mechanism 154, the crushed portion 100 becomes horizontal by the protruding portion 181 provided on the bending member 176. For this reason, since the crushing part 100 becomes parallel with the needle pin 186, it contacts the needle pin 186 smoothly. Thereby, the forming / cutting mechanism 154 can bend the lead wire 98 appropriately.

  Note that the support block 170, the pair of support members 172, and the pair of cutters 174 rise until the distal end portion of the bent lead wire 98 reaches the side of the bending member 176. A gripping device (not shown) is disposed on the side of the bending member 176, and the leading end portion of the bent lead wire 98 is gripped by the gripping device. Then, after the distal end portion of the bent lead wire 98 is gripped by the gripping device, the support block 170, the pair of support members 172, and the pair of cutters 174 are lowered. As a result, as shown in FIG. 14, the axial component 90 with the lead wire 98 bent is supplied at the component supply position.

  As described above, when the axial component 90 is supplied at the component supply position of the tape feeder 82, one of the work heads 60 and 62 moves above the component supply position and is axially moved by the component holding chuck 66. The component 90 is held. Subsequently, the work heads 60 and 62 holding the axial component 90 move above the imaging device 28, and the axial component 90 held by the component holding chuck 66 is imaged by the imaging device 28. As a result, information on the error of the component holding position can be obtained. Subsequently, the work heads 60 and 62 holding the axial component 90 are moved above the circuit substrate 12, and the holding posture of the held component is changed to the position of the through hole 102 formed in the circuit substrate 12, Adjust based on the holding position of the parts. Then, the work heads 60 and 62 are lowered, and the component holding chuck 66 removes the axial component 90. As a result, as shown in FIG. 4, the lead wire 98 is inserted into the through hole 102, and the axial component 90 is attached to the circuit substrate 12.

  In addition, this invention is not limited to the said Example, It is possible to implement in the various aspect which gave various change and improvement based on the knowledge of those skilled in the art. Specifically, for example, in the above embodiment, the lead wire 98 is bent by the support member 172 and the bending member 176 when the support member 172 is raised, but the support member 172 is supported by lowering the bending member 176. The lead wire 98 may be bent by the member 172 and the bending member 176. Further, the lead wire 98 may be bent by the support member 172 and the bending member 176 by raising the support member 172 and lowering the bending member 176.

  Moreover, in the said Example, although the shape of the protrusion part 181 is hemispherical, when bending the lead wire 98, what is necessary is just the shape which contacts the lead wire 98 ahead of the needle pin 186, and various. It is possible to adopt the shape of. Specifically, a shape obtained by dividing a cylinder in the axial direction, that is, a bowl shape, a cone shape, a pin shape, a protruding shape, and the like can be given.

  90: Axial parts 96: Body portion 98: Lead wire 100: Crushing portion (first contacted portion) 112: Bending device 150: Piston (moving device) 172: Support member 176: Bending member 181: Protruding portion (first) Abutting portion) 186: Needle pin (second abutting portion)

Claims (6)

A plurality of axial components having a main body portion and lead wires that are positioned on a holding stand provided in a component mounting apparatus and are detachably mounted and transported at a predetermined transport height in a horizontal posture are carrier tapes. Cutting the lead wires of the taped parts taped to the carrier tape, separating them from the carrier tape, bending the lead wires of the axial parts separated from the carrier tape, and supplying the bent axial parts one by one. A component supply device for supplying
The component supply device is
A support member for supporting the one separated axial component;
The component supply device, wherein the supporting member raises and supplies the axial component having the bent lead wire to the component supply position which is higher than the predetermined conveying height at which the taped component is conveyed. .   The component supply apparatus according to claim 1, wherein the axial component in which the lead wire is bent is supplied in a stopped state at the component supply position.   The lead wire to be cut is in a state of being supported by a groove provided in the support member when the lead wire is cut to separate the axial component from the carrier tape. 2. The component supply apparatus according to 2.   When the supporting member lifts the axial component separated from the carrier tape to the component supply position, the lead wire of the axial component separated from the carrier tape to be lifted is supported by a groove provided in the supporting member. The component supply apparatus according to claim 1, wherein the component supply apparatus is in a state in which the component is in a closed state. The component supply device is
A cutter for separating the axial parts from the carrier tape;
5. The component supply device according to claim 1, wherein the cutter moves together with the support member by a single drive device. 6. A component supply method for supplying axial components each having a lead wire bent to a work head for mounting components on a circuit substrate,
A separation step of separating the axial parts taped on the carrier tape from the carrier tape;
A bending step of bending the lead wire of the axial component separated from the carrier tape;
An axial lead component supply method including: a supply step of supplying the bent axial component in a state in which the end portion of the lead wire is stopped in a posture facing downward before the work head holds the axial component.

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