JP5391394B2 - Electronic component classification device - Google Patents

Description

  The present invention relates to an electronic component classification apparatus that automatically sorts and classifies electronic components whose performance has been inspected, such as electrical characteristics, according to the inspection result.

For electronic components (workpieces, chips) such as LED chips, capacitor chips, and resistor chips, the performance (quality) such as electrical characteristics is measured and inspected by inspection means, and the electronic components subjected to performance inspection (quality inspection) are inspected. According to the result, it is automatically distributed and classified.
The electronic components are supplied from the parts feeder to the index table, the performance of the electronic components is inspected by the inspection means provided around the index table, and the performance-inspected electronic components are sent from the index table to the electronic component classification device. Yes. The movements of the parts feeder, index table, inspection means, classification device, etc. are controlled by a control device incorporating a CPU, and the inspection results by the inspection means are input to the control device.

  The classification device for electronic parts has a rocking tube, and the rocking tube is supported at its upper end so as to be rockable, and a sorting board is disposed below the rocking tube. The oscillating tube is usually a funnel-shaped hollow body with its lower end serving as an outlet, and when the oscillating tube oscillates, the distribution board is positioned so that the lower end (outlet) of the oscillating tube is positioned immediately above. It has a spherical shape, and a large number of distribution holes including through holes are formed in the distribution board.

The swing pipe is swung under the control of the control device so that the outlet at the lower end is aligned with the sorting hole of the sorting board corresponding to the inspection result by the inspection means. Then, the electronic components are sent from the outlet at the lower end of the swing tube to the sorting hole of the sorting board directly below, so that the electronic components are sorted and sorted into the sorting holes corresponding to the inspection results. That is, electronic components are distributed and classified according to the number of distribution holes of the distribution board. For example, if 64 distribution holes are provided, the electronic components are distributed and classified into 64 based on the inspection result.

A shooter (conveying means) is disposed between the index table and the swing tube in order to send electronic components from the index table to the swing tube. For example, in Japanese Patent Application Laid-Open No. 2006-078347, the shooter is an input pipe installed between the index table and the swing pipe, and swings from the index table through the input pipe under high-pressure air (compressed air). Electronic parts are fed into the tube.
In a configuration in which electronic components are fed into the oscillating tube through the input tube under high pressure air, it is sufficient to install the input tube between the index table and the oscillating tube and supply high pressure air to the input tube. The structure of the shooter that sends electronic parts to the tube can be simplified.

JP 2006-078347 A

  In the configuration in which the electronic component is fed from the index table to the oscillating tube through the charging tube under high-pressure air, the number of electronic components existing in the charging tube is limited to one. Therefore, it is not after detecting that the electronic component has been sent from the charging tube to the rocking tube, the next electronic component cannot be fed into the charging tube, and the feeding of the electronic component to the rocking tube is restricted, High-speed feeding becomes difficult.

Usually, the index table is arranged to be rotatable on a horizontal plane and the swing tube is swingable on a vertical surface, and the index table and the swing tube are not located on the same plane. Therefore, the input pipe (shooter) installed between the index table and the oscillating pipe is bent at a substantially right angle.
The bent portion of the input pipe is formed into an arc shape so that the flow of high-pressure air smoothly changes its direction at the bent portion. However, it is inevitable that an electronic component fed into the charging tube under high-pressure air contacts the bent portion at a high speed, and the electronic component may be damaged by the contact with the bent portion.

  In addition, the inner diameter of the input pipe, which is the flow path for the electronic component, is set to a size that is considerably larger than the outer shape of the electronic component so that the electronic component can pass with a margin. The conveyance posture is not constant, and the conveyance posture changes by rebounding due to contact with the bent portion. Therefore, the feeding time (conveying time) varies, the feeding interval is not constant, and feeding control at high speed is difficult.

  As described above, in the configuration in which the input pipe is installed as a shooter (conveying means) between the index table and the swing pipe, and the electronic component is fed into the swing pipe through the input pipe under high-pressure air, the electronic component May be damaged, and high-speed feed control is difficult, and classification cannot be performed with high processing efficiency.

Further, in Japanese Patent Application Laid-Open No. 2006-078347, a drive motor (X-axis drive motor) is attached to a rotation shaft that supports the swing tube so as to be swingable, and another drive motor is attached to the rotation shaft with the drive motor. The driving force of the (Y-axis drive motor) is transmitted to rotate the rotation shaft, and the drive motor (X-axis drive motor) is swung.
In a configuration in which the drive motor (X-axis drive motor) is swung by another drive motor (Y-axis drive motor) when the rotation shaft is rotated, the drive motor on the driving side (Y-axis drive) The motor) requires a large driving torque and is increased in size. In addition, the drive motor (X-axis drive motor) is repeatedly swung in small increments, and the moment of inertia repeatedly acts on the built-in components.

  Further, since the charging pipe as a shooter is fixed at a predetermined position, only one set of the swinging pipe, the distribution board, and the driving means is arranged. And since there is one sorter, the number of sort holes formed in the sorter, that is, the number classified according to the result of performance inspection (number of sorts, number of sorts) is also limited and subdivided Classification is difficult.

  An object of the present invention is to provide an electronic component sorting apparatus that can feed electronic components into a rocking tube at a high speed without causing damage to the electronic components and classify them with high processing efficiency.

In order to achieve the above object, in the present invention, the shooter is an arm-shaped turntable that is formed of a plurality of arms spaced at equal angles from each other with a suction head at the tip and intermittently fed on a horizontal plane. Yes.
That is, according to the first aspect of the present invention, an electronic component classification apparatus includes a shooter to which performance-inspected electronic components are supplied and a shooter that opens up and down, and the electronic components are introduced from an upper inlet through the shooter. The number of pipes that are fed in and fed out from the outlet at the lower end and that can be swung around two orthogonal axes, X-axis and Y-axis, and the number corresponding to the number classified and classified based on the inspection result A spherical sorter having a sorting hole and driving means for swinging the swinging tube based on the inspection result and aligning the swinging tube with the sorting hole corresponding to the inspection result are provided. The shooter is composed of an arm-shaped turntable that is formed of a plurality of arms spaced at equal angles from each other with a suction head at the tip and is intermittently fed on a horizontal plane. The suction head sucks the supplied electronic components. At least two delivery stations for sending electronic components to the swing tube are set across the supply station of the turntable, and a combination of the swing tube, distribution board, and driving means is provided at each delivery station.

  According to the second aspect of the present invention, each of the driving means has an output shaft extending in the X-axis direction, both of which are X-axis and Y-axis drive motors attached to the fixing member, and are folded at the tip. An L-shape that has a curved portion, is supported by the output shaft of the Y-axis drive motor, and the driving force of the Y-axis drive motor is transmitted to swing the tip bent portion around the X-axis. The support block and the tip bent portion of the L-shaped support block are pivotally supported and extend in the Y-axis direction. The tip of the swing tube is connected to the side wall of the swing tube, and the center line and the output of the drive motor for the Y-axis A swinging shaft is supported at an intersection with the center line of the shaft, and a rotating shaft that is rotated around the Y axis by transmitting a driving force of a driving motor for the Y axis is provided. Then, the tip bent portion of the L-shaped support block is swung around the X axis under the driving force of the X axis drive motor so that the tip bent portion is pivoted around the X axis. The swinging tube is swung around the Y axis by rotating the supported rotating shaft around the Y axis.

According to the third aspect of the present invention, the turntable is composed of a cross-shaped arm composed of four arms spaced apart from each other by 90 °, and the number of delivery stations is two. Each delivery station is separated from the supply station. They are set 90 ° apart from each other.
According to the present invention as set forth in claim 4, the turntable is composed of Y-shaped arms composed of three arms spaced apart from each other by 120 °, and there are two delivery stations, each delivery station being separated from the supply station. They are set 120 ° apart from each other.

In the first aspect of the present invention, the shooter is composed of an arm-shaped turntable having a suction head at the tip thereof, and the electronic components are sent from the supply station to the sending station while being sucked and sent to the swing tube. Therefore, it does not come into contact with other members during the conveyance, and there is no possibility that the electronic component is damaged during the conveyance.
Since there is no risk of damage due to contact, electronic components can be conveyed at high speed. In addition, since the turntable is intermittently fed, the feeding time (carrying time) that is transported from the supply station to the delivery station and sent to the rocking tube is constant, and the feeding of electronic components is controlled at high speed. it can. Furthermore, since there are a plurality of suction heads and delivery stations, if an electronic component is fed into one of the oscillating tubes, the electronic component is placed in the other oscillating tube without detecting the passage of the electronic component through the oscillating tube. Can be sent. As a result, the electronic parts can be continuously fed at a high speed, and the electronic parts can be classified according to the inspection results under high processing efficiency.

  According to the second aspect of the present invention, the X-axis and Y-axis drive motors are both attached to the fixed member, and the L-shaped support block pivotally supported by the Y-axis drive motor is Although it is swung by the X-axis drive motor, the Y-axis drive motor itself is not swung. Since the Y-axis drive motor is not swung by the X-axis drive motor, a large drive torque is not required, and the X-axis drive motor can be reduced in size and weight. In addition, since it does not swing, the built-in components of the Y-axis drive motor are not exposed to the moment of inertia, and the Y-axis drive motor operates stably for a long time without failure.

According to the third aspect of the present invention, the electronic component can be fed into the swing tube only by intermittently feeding the cruciform arm 90 ° to either the left or right, and there are four suction heads for feeding the electronic component. For this reason, the electronic component can be continuously fed into the rocking tube at a high speed.
According to the fourth aspect of the present invention, the electronic component can be fed into the swing tube only by intermittently feeding the Y-shaped arm 120 degrees to either the left or right, and there are three suction heads for feeding the electronic component. Therefore, although it is inferior to the case of the cruciform arm, the electronic component can be fed into the swing tube continuously at a high speed as compared with the conventional configuration. Further, since the delivery station is separated from the supply station by 120 ° and a sufficient space can be secured around the delivery station, the combination of the swing pipe, the distribution board, and the drive means provided in the delivery station can be arranged with a margin.

The top view of the automatic classification machine of the electronic component in which the electronic device classification device based on one Example of this invention was integrated is shown. The top view of the classification device of the electronic parts concerning one example of the present invention is shown. The front view of the classification device of the electronic parts concerning one example of the present invention is shown. The top view of an oscillating tube, a distribution board, and a drive means is shown.

  The shooter to which the performance-inspected electronic parts are supplied is a cross arm-shaped turntable formed of four arms spaced 90 ° apart from each other with a suction head at the tip and intermittently fed on a horizontal plane. The One delivery station for sending electronic components to the oscillating tube is set on each of the left and right sides of the supply station of the cross-shaped arm that attracts the supplied electronic components whose performance has been inspected by the adsorption head. A combination of a distribution board and driving means is provided. The cruciform arm is intermittently fed in either direction corresponding to the inspection result, and the electronic components are distributed to the distribution holes of the distribution board corresponding to the inspection result via the oscillating tube at the delivery station. Before the electronic component is fed from the cross-shaped arm to the swing tube, the swing tube is swung in accordance with the inspection result and waits in alignment with the sorting hole of the corresponding sorting board.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view of an automatic electronic component sorting machine incorporating an electronic component sorting apparatus according to an embodiment of the present invention.
As shown in FIG. 1, an electronic component automatic classifier 10 is configured by combining a parts feeder 12 and an index table 14 with a classification device 16 (for electronic components).
Briefly describing a series of processes in the electronic component automatic classifier 10, first, electronic components (workpieces, chips) such as LED chips, capacitor chips, and resistor chips are sent from the parts feeder 12 to the index table 14. Inspection means 15 is arranged around the index table 14, and the performance of the electronic component is measured and inspected by the inspection means while the index table is intermittently fed. Then, the electronic components whose performance has been inspected are sent from the index table 14 to the classification device 16, and are automatically sorted and classified for each performance (quality) corresponding to the inspection result.

In the embodiment, the index table 14 is intermittently fed in a counterclockwise direction, for example, at 7.5 °, two inspection means 15 are provided, and the supply station A, inspection stations B1, B2, and discharge (feed) station C Four stations are sequentially set around the index table with a separation of 90 °.
Of course, the electronic parts are supplied (loaded in) from the parts feeder 12 to the index table 14 at the supply station A, the performance of the electronic parts is measured and inspected by the inspection means 15 at the inspection stations B1 and B2, and the performance inspection is performed at the discharge station C. The finished electronic component is sent (unloaded) from the index table to the classification device 16.

A series of processes in the automatic sorter 10, that is, parts feeder 12, index table 14, inspection means 15, processing in the classification device 16, operation and the like are controlled by a control device (not shown) with a built-in CPU. The inspection result is input to the control device, and based on the inspection result, the electronic components are automatically and continuously assigned and classified by the classification device under the control of the control device.
Since the parts feeder 12, index table 14, and inspection means 15 other than the classification device 16 have known configurations and are not directly related to the present invention, detailed descriptions thereof are omitted.

2 and 3 are a plan view and a front view of the electronic component sorting apparatus according to the embodiment of the present invention.
As can be seen from FIGS. 2 and 3 in addition to FIG. 1, the classification device 16 (for electronic parts) includes a shooter 20, a rocking tube 30, a sorting board 40, and a driving means 50. .
Briefly describing the movement of the sorting device 16, the electronic components whose performance has been examined are supplied from the index table 14 to the shooter 20 at the discharge station C, and sent from the shooter to the inlet of the upper end of the swingable swinging tube. . The distribution board 40 has a spherical shape in which a number of distribution holes classified according to the inspection result (classification number) are formed, and the driving means 50 swings the rocking tube in accordance with the inspection result and the inspection result. The oscillating tube is aligned with the allocating hole corresponding to, and the electronic parts are distributed and classified by being sent out from the outlet at the lower end of the oscillating tube to the corresponding allocating hole of the distributing board.

  The configurations of the shooter 20, the oscillating tube 30, the distribution board 40, and the driving means 50 will be described in detail. First, the shooter 20 will be described. The shooter is rotatably mounted on a fixed support member (fixed member) 22. The shooter 20 is a turntable with a suction head. In the embodiment, the turntable takes the shape of a cruciform arm, and the suction head 24 faces the free end (tip) of the cruciform arm so that the suction surface faces downward. They are provided 90 degrees apart. A reversible drive motor 26 is mounted on the upper surface of the support member 28 with its output shaft vertical, and the upright drive motor causes the cruciform arm (shooter, turntable) 20 to be intermittently fed 90 ° on a horizontal plane. It is configured.

  Since the turntable (shooter) 20 is not a general disk shape but a cross-shaped arm formed by connecting four forked arms, the turntable is reduced in weight and its moment of inertia is reduced. . Since the moment of inertia is small, the cruciform arm (shooter, turntable) 20 can rotate at high speed, that is, can be intermittently fed at high speed, and the electronic component can be quickly distributed to the distribution board 40 via the swing tube. You can do it. Further, since the moment of inertia of the cross-shaped arm is small, the drive motor 26 can be reduced in size and weight.

The cross-shaped arm 20 (shooter, turntable) is separated from the supply station by 90 ° with two supply stations (distribution stations) across the supply station a where the suction head 24 sucks the electronic components supplied from the index table 14. ) b1, b2 are set, Yuradokan 30, sorting machine 40, the combination of the drive means 50 are arranged respectively on the delivery station b1, b2. That is, the classification device 16 is a combination 2 including one shooter 20 to which electronic components are supplied from the index table 14, and a swing tube 30 that distributes and classifies electronic components from the shooter, a sorting board 40, and driving means 50. It consists of two.

  The suction head 24 is a well-known one. The electronic component is sucked and held under negative pressure air, and the electronic component is separated from the suction head by supplying pressurized air (compressed air) instead of the negative pressure air. Then, it is fed into the rocking tube 30.

As shown in FIGS. 1 to 3, the combination of the oscillating pipe 30, the allocating board 40, and the driving means 50 arranged at the delivery stations (distributing stations) b1 and b2, respectively, has the same configuration and is supplied. One set is arranged symmetrically across the station a.
If the performance (quality) of the electronic component is measured and inspected by the inspection means 15 at the inspection stations B1 and B2 of the index table 14, and the inspection results are classified and classified into, for example, 128 categories, 1 to 64. The electronic components belonging to the section are sent to the corresponding oscillation tube at the delivery station b1, and the electronic parts of the 65 to 128 section are sent to the corresponding swing tube at the delivery station b2.

That is, the index table discharge station C and the cross-arm (shooter, turntable) supply station a overlap with each other. When an electronic component whose performance has been inspected reaches the discharge station C, the discharge station C is located at the supply station a. The electronic component is sucked and held by the suction arm 24 of the character arm, transferred from the index table to the cross-shaped arm, and supplied to the classification device 16.
When the suction arm 24 sucks and holds the electronic component, the cruciform arm 20 is intermittently fed by 90 ° in the direction corresponding to the inspection result of the electronic component. For example, if electronic components belongs to the classification of 1-64, the drive motor 26 is driven, a cross arm 20 1, delivery station b1 is sent in the counterclockwise direction in FIG. 2, 65 If it belongs to 128 sections, it is sent in the clockwise direction and moved to the sending station b2. Then, the delivery station b1, b2, adsorption of the electronic component, held is released, the electronic component by the high pressure air is fed to the oscillation tube 30 to wait immediately below the delivery station b1, b2.

In the following, a combination of the oscillating tube 30, the distribution board 40, and the driving means 50 located on the right side of FIGS. 1 and 2, that is, a combination located at the delivery station b1 will be described. FIG. 4 is a plan view of the oscillating tube, the distribution board, and the driving means.

  As can be seen from FIG. 1 to FIG. 4, the drive means 50 includes drive motors 51 and 52 positioned on a horizontal plane, and these drive motors have their output shafts 51 a and 52 a extending in parallel with each other and a support member (fixing member) 54. It is attached to the upright wall 54a. The drive motors 51 and 52 are driven according to the inspection result of the electronic component, and the swing tube 30 is swung to a position corresponding to the inspection result under the drive of the drive motors 51 and 52.

  The drive motors 51 and 52 are reversible motors like the cross-arm drive motor 26. For example, the drive motor 51 is attached to the rectangular attachment hole 54a2 of the upright wall 54a, and the drive motor 52 is attached to the upright wall 54a by a bracket (not shown). As can be seen from FIG. 4, the output shaft 52a of the drive motor 52 is pivotally supported via a cross roller bearing 55 fitted in the mounting hole 54a3 of the upright wall.

Further, a support block 56 is rotatably supported on the output shaft 52a via a pair of radial bearings 55b, and an arc-shaped spur gear (partial spur gear) 57 is bolted to the support block. A pinion 58 that meshes with the spur gear 57 is attached to the output shaft 51 a of the drive motor 51. Further, the support block 56 is formed in an L shape having an L-shaped support arm 56 a at an end opposite to the spur gear 57.
Rotation of the drive motor 52 is transmitted to thus decelerate the reduction gear box.

  In the embodiment, the support arm 56a, which is a separate member, is attached to the support block 56 and the support block has an L shape. However, the support block may be formed into an L shape having a support arm.

  The front end of the output shaft 52a of the drive motor 52 has a flange shape, and an L-shaped transmission member 59 is bolted to the flange 52a '. The transmission member 59 is configured to transmit the driving force of the driving motor 52 to the rocking tube 30.

That is, the transmission member 59 has a pair of transmission pieces 59a1 and 59a2 to which arc-shaped bevel gears (partial bevel gears) 59b1 and 59b2 are bolted at the tip, and the transmission pieces 59a1 and 59a2 are orthogonally engaged with the bevel gears. One transmission piece 59a1 is bolted to the flange 52a ′. The other transmission piece 59a2 is sandwiched between a pair of rotating shafts 59d1 and 59d2 and bolted to be connected to the rotating shafts 59d1 and 59d2. Then, the one rotation shaft 59a1 is pivotally supported by the tip bending portion 56a 'of the support arm via the cross roller bearing 59e, so that the transmission piece 59a2 and the rotation shafts 59d1 and 59d2 are bent at the tip of the support block. The other rotating shaft 59d2 is connected to the side wall of the rocking tube 30.

  Since the transmission member 59 has a pair of bevel gears 59b1 and 59b2, the driving force of the drive motor 52 can be transmitted to the rotation shafts 59a1 and 59a2 extending in the direction orthogonal to the output shaft 52a.

  In the embodiment, the transmission piece 56a2 is sandwiched between the rotation shafts 59d1 and 59d2, and the two rotation shafts are integrated. However, the rotation shafts 59d1 and 59d2 may be integrated into one rotation shaft. In the configuration in which the rotation shafts 59d1 and 59d2 are used as one rotation shaft, for example, a fitting hole is formed in the one rotation shaft, and the transmission piece 59a2 is fitted into the fitting hole to form the rotation shaft. The transmission piece 59a2 is connected.

As described above, the L-shaped support block 56 is rotatably supported by the output shaft 52a of the drive motor 52, and one end of the L-shaped transmission member 59 is fixed to the output shaft 52a. Rotating shafts 59d1 and 59d2 connected to the ends are pivotally supported by the tip bent portion 56a of the support block, and the rotating shaft 59d2 is connected to the side wall of the swing tube 30.
As can be seen from FIG. 4, the oscillating tube 30 is positioned at a position (intersection point) c where the center line O1 of the output shaft 52a of the drive motor 50 and the center line O2 of the rotation shafts 59d1 and 59d2 intersect. . Here, the directions in which the center lines O1 and O2 extend are defined as an X-axis direction and a Y-axis direction.

When the drive motor 51 is driven, the pinion 58 provided on the output shaft 51 a of the drive motor 51 is engaged with the spur gear 57 of the support block 56, so that the support block is at the center line O1 of the output shaft 52 a of the drive motor 50. It is turned around, that is, around the X axis. As the support block 56 is rotated around the center line O1 (X axis), the swing tube 30 positioned on the center line O1 is swung around the X axis as indicated by X '.
Further, as the support block 56 rotates around the center line O1 of the output shaft 52a, the tip bent portion 56a ′ of the support block is swung around the X axis.

When the drive motor 52 is driven, the transmission piece 59a1 fixed to the output shaft 52a is rotated together with the output shaft.
Here, the bevel gear 59b2 of the transmission piece 59a2 is screwed into the bevel gear 59b1 of the transmission piece 59a1, and the transmission piece 59a2 is integrated with the rotating shafts 59d1 and 59d2 so as to be pivotally supported by the tip bent portion 56a of the support block 56. Has been. The spur gear 57 fixed to the support arm 56a is screwed into the pinion 58 of the drive motor 51 and cannot rotate.
Therefore, when the drive motor 52 is driven to rotate the transmission piece 59a1, the transmission piece 59a2 rotates together with the rotation shafts 59d1 and 59d2 around the center line O2 (Y axis) of the rotation shafts 59d1 and 59d2. . Since the rotation shaft 59d2 is connected to the side wall of the rocking tube 30, if the rotation shafts 59d1 and 59d2 rotate, the rocking tube 30 located on the center line O2 is Y 'around the Y axis. Swing as shown.

  Since the tip bent portion 56a ′ of the support block on which the pivot shafts 59d1 and 59d2 are pivoted is pivoted around the X axis by the drive motor 51, the pivot is connected to the pivot shafts 59d1 and 59d2. The tube 30 is swung to a position corresponding to the inspection result around the X axis and the Y axis at the point c under the drive of the drive motors 51 and 52.

  As described above, of the drive motors 51 and 52 provided in parallel with each other in the horizontal plane, the swing tube is rotated around the X axis when the drive motor 51 is driven, and around the Y axis when the drive motor 52 is driven. Each of 30 swings. In addition, since the drive motors 51 and 52 are both reversible motors, the oscillating tube 30 oscillates in both directions on both the X axis and the Y axis.

Drive motors 51 and 52 that swing the swing tube 30 about the X axis and the Y axis are both attached to a support member (fixed member) 54, and are supported by an output shaft 52 a of the drive motor 52. The letter-shaped support block 56 is rotated by the drive motor 51, but the drive motor 52 itself does not swing.
Thus, since the drive motor 52 is configured not to swing by the drive motor 51, a large drive torque is not required, and the drive motor 51 can be reduced in size and weight. Further, since it does not swing, the built-in components of the drive motor 52 are not exposed to the moment of inertia, and the drive motor 52 operates stably for a long time without failure.

  The driving force from the driving motor 51 is transmitted to the support block 56 via the pinion 58 and the spur gear 57, and the tip bent portion 56a 'is swung. However, the configuration for transmitting the driving force from the drive motor 51 to the support block 56 is not limited to the combination of the pinion 58 and the spur gear 57. For example, a timing pulley is provided on the output shaft 51a of the drive motor 51 and the support block 56, A configuration in which a timing belt is stretched between timing pulleys may be employed.

  The transmission member 59 that transmits the driving force of the drive motor 52 to the rotation shafts 59a1 and 59a2 orthogonal to the output shaft 52a is formed by a pair of transmission pieces and arc-shaped bevel gears (partial bevel gears). However, it is not limited to this. For example, a configuration in which a partial bevel gear is directly attached to the output shaft 52a and the rotation shafts 59a1 and 59a2 without interposing a transmission piece may be adopted. In this case, a large-diameter partial bevel gear is used.

As can be seen from FIG. 3, the oscillating tube 30 is normally a funnel-shaped hollow body, and a guide 30a is attached to the upper end of the oscillating tube 30. It is sent to the oscillating tube.
In order to detect that an electronic component has passed through the rocking tube 30, a sensor 32 is provided in the rocking tube. For example, the sensor 32 is a photoelectric sensor including a light emitting unit and a light receiving unit, and the light emitting unit and the light receiving unit are attached to the rocking tube with a diametrical slit hole formed adjacent to the lower end of the rocking tube 30 interposed therebetween. . Then, the passage of the electronic component in the oscillating tube is detected by blocking the light transmitted from the light emitting unit to the light receiving unit through the slit by the electronic component.

  As shown in FIG. 3, the distribution board 40 is formed into a spherical shape from aluminum, for example, and is disposed immediately below the lower end of the swing pipe 30. The number corresponding to the number classified according to the inspection result, for example, 64 distribution holes 40a are inserted into the through holes of the distribution board 40 by inserting stainless steel (SUS) nozzles and spaced apart from each other in the X-axis and Y-axis directions. Is provided. And the flexible tube 42 is provided in the lower end of the distribution hole 40a, and the storage box 44 of an electronic component is arrange | positioned at the terminal of the flexible tube. For example, the flexible tube 42 is formed from a vinyl pipe.

  In FIG. 3, the distribution board 40 (40R) located on the right side is shown in a cross section, and the left distribution board 40 (40L) not shown in the cross section is shown without a flexible tube.

When the oscillating tube 30 is positioned vertically as shown in FIG. 3 (when parallel to the Z axis), the center line O3 of the oscillating tube is the center of the rotating shaft 59d2 that is the rotating shaft of the oscillating tube. The point intersecting the line O2 (see FIG. 4) is the oscillation center of the oscillation tube indicated by c in FIG. 4, and the center line O4 of all the distribution holes 40a converges to the oscillation center c of the oscillation tube. It is formed as follows.

As described above, when the suction head 24 of the cruciform arm (shooter, turntable) 20 picks up the electronic component at the supply station a, the reversible drive motor 26 is driven and the cruciform arm is supplied corresponding to the inspection result. It is intermittently sent from the station a to the sending station b1 or b2. When the cruciform arm 20 reaches the delivery station b 1 or b 2, pressurized air is supplied to the suction head 24 instead of negative pressure air, and the electronic components are separated from the suction head and fed into the swing tube 30. Here, the reversible drive motors 51 and 52 are driven according to the inspection result, and the oscillating tube 30 is oscillated above the distribution hole 40a of the corresponding distribution board and is on standby. The electronic parts sent to the rocking tube 30 are sent to the sorting holes 40a corresponding to the inspection results under the pressure of pressurized air and stored in the storage box 44 via the flexible tube.

  If the passage of the electronic member in the swing tube 30 is not detected, the next electron tube cannot be fed into the swing tube. However, since there are a plurality of suction heads 24 and delivery stations, if an electronic component is fed into one oscillating tube, the electronic component is placed in the other oscillating tube without detecting the passage of the electronic component through the oscillating tube. Can be sent. Therefore, the electronic parts can be continuously fed at a high speed, and the electronic parts can be classified according to the inspection result under high processing efficiency.

  Two delivery stations are provided, and each delivery station b1, b2 is provided with a combination of the rocking tube 30, the sorting board 40, and the driving means 50. Since there are two sorting boards 40, there is one known sorting board. With respect to the configuration, the number of distribution holes can be doubled, that is, the number of classifications that can be classified in accordance with the result of the performance inspection can be set twice, and classification can be performed into more detailed classifications.

Since the center line O4 of all the distribution holes 40a converges to the oscillation center c of the oscillation tube 30, the oscillation tube and the distribution holes are perfectly aligned, and the electronic component is a stainless steel nozzle that forms the distribution hole 40a. The electronic parts can be sent into the storage box 44 without passing through the sorting holes without touching the electronic parts and being damaged by the electronic parts touching the nozzles.

  The shooter is composed of an arm-shaped turntable (cross-shaped arm) 20 composed of four arms separated by 90 °, and the delivery station is set 90 ° apart from the supply station. Therefore, the electronic component can be fed into the rocking tube only by intermittently feeding the cruciform arm 20 to the left or right by 90 °, and there are four suction heads for feeding the electronic component. 30 can be continuously fed at a high speed.

The arm-shaped turntable 20 is not limited to a cross-shaped arm composed of four arms separated by 90 °. For example, an arm-shaped turntable may be formed from a Y-shaped arm composed of three arms provided at 120 ° apart, and two delivery stations are set 120 ° apart from the supply station on the left and right. .
Even in the Y-arm turntable, the electronic parts can be fed into the swing tube simply by intermittently feeding the Y-shaped arm to either the left or right 120 °, and there are three suction heads that feed the electronic parts. Although it is inferior to the case of the cross-shaped arm, the electronic component can be continuously fed into the swing tube at a high speed as compared with the conventional configuration. Since the delivery station is separated from the supply station by 120 ° and a sufficient space can be secured around the delivery station, the combination of the rocking tube, the distribution board, and the driving means provided in the delivery station can be arranged with a margin.

  As described above, according to the present invention, the shooter is composed of an arm-shaped turntable having a suction head, and the electronic components are sent from the supply station to the delivery station while being sucked and sent to the swing tube. Therefore, it does not come into contact with other members during transportation, and there is no possibility that the electronic component is damaged during transportation.

  Since there is no risk of damage due to contact, electronic components can be conveyed at high speed. In addition, since the turntable is intermittently fed, the feeding time (carrying time) that is transported from the supply station to the delivery station and sent to the rocking tube is constant, and the feeding of electronic components is controlled at high speed. it can. Furthermore, since there are a plurality of suction heads and delivery stations, if an electronic component is fed into one of the oscillating tubes, the electronic component is placed in the other oscillating tube without detecting the passage of the electronic component through the oscillating tube. Can be sent in. Therefore, the electronic parts can be continuously fed at a high speed, and the electronic parts can be sorted and classified according to the inspection result under high processing efficiency.

  The above-described embodiments are for explaining the present invention, and are not intended to limit the present invention. All modifications, alterations, etc. within the technical scope of the present invention are included in the present invention. Needless to say.

  For example, a cross-shaped arm composed of four arms and a Y-shaped arm composed of three arms are illustrated as an arm-shaped turntable, but the number and shape of the arms are not limited to this, and five or more. A turntable may be formed from these arms.

In addition, although one delivery station (sorting station) is provided on each side of the supply station a, the number and arrangement of the delivery stations are not limited to this. Three or more delivery stations may be set. For example, a third delivery station b3 may be provided at a position 180 degrees away from the supply station a in FIG.

  The present invention is usually applied to electronic components that are sorted and classified according to performance (quality), but is not necessarily limited to electronic components, and the result of examining shape (thickness, outer shape), concentration, etc. It can also be applied to those that are sorted and classified according to (for example, tablets).

DESCRIPTION OF SYMBOLS 10 Electronic component automatic classification machine 12 Parts feeder 14 Index table A, B1, B2, C Supply / inspection / discharge (feeding) station 15 Inspection means 16 Electronic device classification device 20 Shooter (turn table, cross-shaped arm)
24 suction head 30 oscillating tube c rotation center of oscillating tube 40 distribution board 40a distribution hole 50 drive means 51, 52 reversible drive motors (drive motors for X-axis and Y-axis)
51a, 52a Output shaft 54 Support member (fixing member)
54a Upright wall 56 L-shaped support block 56a L-shaped support arm 56a 'End bent portion 57, 58 Arc-shaped spur gear (partial spur gear), pinion 59 Transmission holding portion 59a1, 59a2 Transmission piece 59b1, 59b2 Arc shaped bevel gear (partial bevel gear)
59d1, 59d2 Rotating shaft

Claims (4)

A shooter to which performance-inspected electronic components are supplied, and an upper and lower opening, an electronic component is sent from the upper inlet through the shooter, and sent from the lower outlet, orthogonal X axis and Y axis 2 An oscillating tube that can oscillate around an axis, a spherical sorter that is assigned based on the number of inspections and has a number of distribution holes corresponding to the number to be classified, and oscillates based on the inspection result Driving means for swinging the tube and aligning the swing tube with the sorting hole corresponding to the inspection result;
The shooter is composed of an arm-shaped turntable that has a suction head at its tip and is formed of a plurality of arms spaced equiangularly from each other and intermittently feeds the arms in a horizontal plane.
At least two delivery stations that send electronic parts to the swing pipe are set across the turntable supply station where the suction head picks up the supplied electronic parts, and the swing pipe, sorter, and drive are set in each delivery station. Providing a combination of means ,
The driving means is
A drive motor for the X-axis and the Y-axis each having an output shaft extending in the X-axis direction, both of which are attached to a fixed member;
L has a bent portion at the tip, is pivotally supported by the output shaft of the Y-axis drive motor, and the driving force of the Y-axis drive motor is transmitted to swing the tip bent portion around the X-axis. A letter-shaped support block;
The tip of the L-shaped support block is pivotally supported and extends in the Y-axis direction. The tip of the swing pipe is connected to the side wall of the swing pipe, and the center line of the Y-axis drive motor and the center line of the output shaft. A pivot shaft that supports the swing tube at an intersection with the Y-axis and is rotated about the Y-axis by transmitting the driving force of the Y-axis drive motor,
The tip bent portion of the L-shaped support block is swung around the X axis under the driving force of the X axis drive motor, so that the tip bent portion is pivotally supported around the X axis. The electronic component classification device in which the swing tube is swung around the Y axis by rotating the swivel shaft around the Y axis . The turntable is a cruciform arm consisting of four arms provided 90 degrees apart,
2. The electronic component sorting apparatus according to claim 1 , wherein the number of delivery stations is two, and each delivery station is set 90 degrees apart from the supply station. The turntable is a Y-shaped arm consisting of three arms that are separated by 120 °,
2. The electronic component sorting apparatus according to claim 1, wherein the number of delivery stations is two, and each delivery station is set at a distance of 120 [deg.] Left and right from the supply station. 4. The electronic component classification apparatus according to claim 2, wherein each of the arms of the turntable has a bifurcated shape.

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