KR100348404B1 - Feeder for surface mounting device - Google Patents

Abstract

The present invention relates to a component supply apparatus of a surface mounter. The parts supplying device of the present invention generates a forward / reverse rotational force by rotating the circular permanent magnet part by the interaction between the electric coil and the circular permanent magnet part, and the positive / negative by the gears in a state separated from the circular permanent magnet part by a predetermined distance. Receives the reverse rotational power and transfers the tape (TF) at a predetermined pitch interval, and is provided at one end of the circular permanent magnet to detect the position of the circular permanent magnet, and has a component supply part and a forward power generated from the component supply part. Receives and rotates to transfer the peeled off vinyl (V) from the tape (TF) or the reverse rotational power is transferred to the vinyl separation unit for retransmitting the vinyl (V), and the forwarding power delivered from the vinyl separation unit receives through the belt It is composed of a vinyl recovery unit that is rotated to recover the vinyl (V) or discharge the recovered vinyl (V) reverse recovery power. The component supply device configured as described above is to improve the component supply speed and to precisely adjust the feeding position of the tape.

Description

Feeder for surface mounting device

The present invention relates to a component supply apparatus for a surface mounter, and more particularly, to a component supply apparatus for a surface mounter for transporting and supplying an electronic component to a component adsorption position of a nozzle.

The surface mounter consists of an X-Y gantry, module head, PCB feeder and component feeder. The module head is assembled to move in the X-Y axial direction on the X-Y gantry, and the surface is mounted on the printed circuit board after absorbing the surface mounting components (hereinafter, abbreviated as components) on the printed circuit board transferred by the PCB transfer device. Parts mounted on the printed circuit board are transferred by the component supply device and mounted on the printed circuit board. Referring to the component supply apparatus for mounting a component on a printed circuit board using the accompanying drawings as follows.

In general, the component supply apparatus is composed of a vinyl recovery unit 10, a vinyl separation unit 20 and a component supply unit 30 as shown in FIG. The recovery reel 11 is mounted to the vinyl recovery unit 10, and the vinyl (V: shown in FIG. 3) transferred by the vinyl separation unit 20 is wound up and recovered. The tape (TF: shown in FIG. 3) to which the vinyl V recovered to the vinyl recovery unit 10 is bonded is formed from a tape winding unit 50 (shown in FIG. 2) provided at the rear end of the vinyl recovery unit 10. It is supplied to the component supply part 30. The tape TF supplied to the component supply part 30 is moved by a predetermined pitch by the component supply part 30 and transferred to the working position, and then is adsorbed and printed by the nozzle N (shown in FIG. 2). It is moved to and mounted on a circuit board (not shown).

Parts supply apparatus for transferring the tape (TF) to transfer the parts to the suction position of the nozzle (N) is a vinyl recovery unit 10, vinyl separation unit 20, component supply unit 30 and the tape winding unit 50 Consisting of, each configuration will be described with reference to the accompanying Figure 2 as follows. As shown in FIG. 2, the vinyl recovery part 10 includes a recovery reel 11, a recovery rotary motor 12, a recovery part worm 13, a recovery part worm gear 14, and a recovery part gear 15. It is composed. The vinyl separator 20 separates the rotating motor 21, the separation boom 22, the separation boom gear 23, the first separation gear 24, the second separation gear 25 and the third separation. The parts supply unit 30 is composed of a sub-gear 26, the supply rotary motor 31, the supply worm 32, the sector gear 33, the first arm 34, the second arm 35 and the driving value It consists of the drive wheel 36 in which 36a was formed.

The vinyl recovery part 10 is fixedly installed with a recovery rotary motor 12 for generating a rotational force for rotating the recovery reel 11, the recovery portion rim 13 is installed on the central axis of the recovery rotary motor 12 do. The recovery part rim 13 is rotated in conjunction with the rotation of the recovery rotation motor 12, and the recovery part umbrae 14 is rotated by the rotation of the recovery part rim 13. The recovery boom 13 and the recovery boom gear 14 change the rotational direction generated by the recovery rotation motor 14 and transfer it to the recovery unit gear 15. The recovery part gear 15 receiving the rotational force rotates the recovery reel 11 in a predetermined direction to recover the vinyl V shown in FIG. 3.

The vinyl V wound on the recovery reel 11 of the vinyl recovery unit 10 is transferred from the vinyl separation unit 20. Vinyl separation unit 20 generates a rotational force in the separate rotary motor 21 and the rotational force generated in the separate rotary motor 21 is transmitted to the separation boom (22) assembled on the center of rotation and the separation boom (22) The rotational force transmitted to the transmission unit is transmitted to the separation boom gear 23 assembled in the separation boom 22, and in this process, the rotation direction is changed and transmitted to the first separation gear 24. In the first separation gear 24, the second separation gear 25 and the third separation gear 26 are sequentially assembled, and the second separation gear 25 is rotated by the rotation of the first separation gear 24. ) And the third separation gear 26 rotate in opposite directions to each other.

As shown in FIG. 3, the vinyl V attached to the tape TF is rotated in the reverse direction of the second separation gear 25 and the third separation gear 26, and the second separation gear 25 is attached to the tape TF. When inserted between the third separation gear 26 and the inserted vinyl (V) is transferred to the vinyl recovery portion (10). Here, the tape TF is moved to the bottom surface of the cover 41 as shown in FIG. 3 by the rotation of the tape winding unit 50 in a state where the tape TF is stored in the tape winding unit 50 as shown in FIG. 2. do. The tape TF moved to the cover 41 is transferred to the suction position A in a state in which the vinyl V attached to the tape TF is removed. In the tape TF, component seating grooves L are formed at regular intervals, and components are seated inwards. When the component seating groove L in which the component is seated is transferred to the suction position A of the nozzle N, the opening and closing plate 42 assembled to the cover 41 is opened so that the nozzle N sucks the component. In this state, the nozzle N adsorbs the components and transfers them to the printed circuit board.

In order to transfer the tape TF at predetermined intervals, a plurality of transfer holes H are formed at one end of the tape TF at predetermined intervals. The component supply part 30 is installed in the bottom surface of the tape TF so as to be inserted into the conveyance hole H formed at predetermined intervals and to convey the tape TF at a constant pitch interval. The component supply unit 30 generates a rotational force in the supply rotary motor 31 to transfer the tape TF to a constant pitch. When the rotational force generated by the supply rotary motor 31 is transmitted to the supply worm 32 assembled on the central axis of rotation of the supply rotary motor 31, the sector gear 33 assembled on the bottom surface of the supply worm 32 is operated. .

When the sector gear 33 is operated, the first arm 34 and the second arm 35 assembled to the sector gear 33 are driven so that the driving wheel 36 assembled to the second arm 35 has a constant pitch. Will rotate. On the outer circumferential surface of the drive wheel 36 rotated at a constant pitch, drive values 36a are formed at regular intervals. The drive teeth 36a formed at regular intervals on the outer circumferential surface of the drive wheel 36 are inserted into the feed holes H formed in the tape TF to convey the tape TF at a constant pitch by the rotation of the drive wheel 36. To transfer the part to the suction position (A). Here, the reverse rotation preventing member 37 assembled to the driving wheel 36 prevents the reverse rotation of the driving wheel 36.

Conventional parts supply device as described above is used for each of the rotary motor, worm gear and link gear, etc. to drive the vinyl recovery unit, the vinyl separation unit and the component supply unit has a large number of parts, the structure is complicated, the assembly labor is complicated problem have. In addition, the reverse rotation preventing member is provided on the driving wheel for transferring the tape to a constant pitch, there is a problem that the position of the tape is impossible to adjust when the component is out of the predetermined position.

An object of the present invention is to form a part supply unit for conveying a tape packed parts in a surface mounter at a constant pitch, simplifying the configuration of the part supply device, and the component supply device of the surface mounter capable of forward / reverse rotation In providing.

Another object of the present invention is to form a part supply unit integrally to facilitate assembly of the part supply device and to enable forward / reverse rotation to adjust the transfer position of the tape.

1 is a perspective view of a component supply apparatus of a conventional surface mounter;

2 is a front view of the component supply apparatus shown in FIG. 1;

3 is a perspective view of the shutter shown in FIG.

4 is a front view of a component supply apparatus of the surface mounter according to the present invention;

5 is a perspective view of the driving unit shown in FIG.

6 is a side cross-sectional view of the driving unit shown in FIG. 5.

<Description of the symbols for the main parts of the drawings>

100: main frame 110: parts supply

112: rotation shaft 114: position detection unit

115: supply gear 117: permanent magnet

118: second disc member 119: position detection disk

132: recovery reel 133: belt

The component supply apparatus of the surface mounter of the present invention is installed on one side of the main frame, and rotates the circular permanent magnet part in a predetermined direction to generate forward / reverse rotational power to transfer the tape to a predetermined pitch interval and the location of the circular permanent magnet part. Combined with the component supply unit and the component supply unit to detect the position detection disk and the position detecting unit, and rotates by receiving the forward power generated from the component supply unit, and transfers the vinyl peeled off from the tape, or receives the reverse power Re-transmitted vinyl separator and combined with the belt and the vinyl separator, the forwarding power delivered from the vinyl separator is rotated through the belt to recover the vinyl transported from the vinyl separator or recovered by receiving reverse rotational power It is composed of a vinyl recovery unit for discharging the recycled vinyl to the vinyl separation unit.

Hereinafter, the component supply apparatus of the surface mounting apparatus of the present invention will be described with reference to the accompanying drawings.

4 is a front view of a component supply apparatus for a surface mounter according to the present invention, FIG. 5 is a perspective view of the driving unit shown in FIG. 4, and FIG. 6 is a side view of the driving unit shown in FIG. 5.

As shown in FIGS. 4 to 6, a circular permanent magnet 177 is installed on one side of the main frame 100 and a plurality of electric magnetic coils 113 are installed and face the plurality of electric magnetic coils 113. By rotating the circular permanent magnet 117 by the interaction between the electric coil 113 and the circular permanent magnet 117 to generate a forward / reverse rotational power and spaced a predetermined distance from the circular permanent magnet 117 Received forward / reverse rotational power generated from the circular permanent magnet portion 117 through the gear 24 in the pre-set state to transfer the tape (TF) at a predetermined pitch interval and one end of the circular permanent magnet portion 117 is installed And a part supply unit 110 having a position detecting unit 114 for detecting a position of the circular permanent magnet unit 117 and the main frame 100, and coupled with the component supply unit 110, the component supply unit 110. ) Is rotated by receiving the turning power generated from) and peeled off from the tape (TF) The vinyl separation unit 120 for transferring the reel (V) or the reverse rotational power is transferred, and the vinyl separation unit 120 and the belt 133 are assembled at the other end of the main frame 130. Received by the rotary power delivered from the vinyl separation unit 120 is passed through the belt 133 is rotated and wound to recover the vinyl (V) transferred from the vinyl separation unit 120 or recovered by receiving the reverse rotation power It consists of a vinyl recovery unit 130 for discharging (V) to the vinyl separation unit (120).

Referring to the configuration and operation of the component supply device of the surface mount device of the present invention in more detail.

The component supply apparatus of the surface mounter according to the present invention is largely composed of a component supply unit 110, a vinyl separation unit 120, and a vinyl recovery unit 130. As shown in FIG. 4, the component supply unit 110 is installed at one side of the main frame 100, and the vinyl recovery unit 130 is installed at the other side of the main frame 100. The vinyl separator 120 is assembled between the component supply unit 110 assembled at one side of the main frame 100 and the vinyl recovery unit 130 assembled at the other side, and the tape TF in which the component is packaged is a reel ( It is stored in the recovered state in the vinyl recovery unit 130 in the reel) shape.

The tape TF is transferred along the upper surface of the main frame 100 from the tape winding unit 50 installed at the rear end of the vinyl recovery unit 130 and supplied to the component supply unit 110, and supplied to the component supply unit 110. When the vinyl (V) is separated from the tape (TF) and the component is transferred to the suction position (O), the nozzle (N) moves in the vertical direction to absorb the component and transfer it to the printed circuit board (not shown). The tape TF from which the V is removed is discharged to the bottom surface of one end of the main frame 100. The vinyl (V) separated from the tape (TF) to be adsorbed by the nozzle (N) is hanged on the vinyl separation unit 120 is transported to a constant pitch at a feed pitch interval of the tape (TF) is discharged to the outside. Here, if the parts are not conveyed correctly so that the nozzle N may adsorb the tape TF, the tape TF is reversed.

In order to allow the component supply unit 110 to forward / reverse rotation, the component supply unit 110 is circularly provided with a plurality of armature coils 113 and faces a plurality of armature coils 113. The permanent permanent magnet 117 is installed to generate the forward / reverse power by the interaction between the electric magnet 113 and the circular permanent magnet 117. Circular permanent magnet 117 is formed by alternately arranged a plurality of N pole permanent magnets (117a) and S pole permanent magnets (117b).

The position detecting unit 114 is provided in the component supply unit 110 to detect the forward / reverse rotation generated from the electric magnet 113 and the circular permanent magnet unit 117. The position detecting unit 114 is installed to be spaced apart from the electric magnet 113 and the circular permanent magnet unit 117 by a predetermined distance so as to be coupled to the electric coil 113, the circular permanent magnet unit 117, and the gear 124, and thus the rotational speed. Detect it. The rotation speed detected by the position detecting unit 114 is used to precisely control the transfer of the tape TF packed with the component (not shown) from the controller (not shown) to the suction position O of the nozzle N. Used. As shown in FIG. 6, a light receiving element 114a and a light emitting element 114b are provided at a predetermined portion of the position detecting unit 114.

The component supply unit 110 receives the forward / reverse power generated from the component supply unit 110 for transferring the tape TF to the suction position O of the nozzle N, and is synchronized with the rotation of the component supply unit 110. It is combined with the vinyl separator 120 to rotate. The vinyl separator 120 is rotated by receiving the forward power generated by the component supply unit 110 to discharge the vinyl (V) peeled off from the tape (TF) to the outside or to receive the reverse rotational power to recycle the vinyl (V). Transfer it. That is, when the component supply unit 110 transfers the tape TF to the suction position O of the nozzle N in the forward rotation, the vinyl separation unit 120 rotates forward to recover the vinyl V separated from the tape TF. Drain to the outside.

When the component supply unit 110 reversely reverses and conveys the tape TF, the vinyl separator 120 reversely rotates in synchronization with the reverse rotation of the component supply unit 110 to convert the vinyl V into the component supply unit 110. Resend to). The vinyl recovery unit 130 which discharges and transfers the tape TF in synchronization with the forward / reverse rotation of the component supply unit 110 and the vinyl separation unit 120 is coupled to the vinyl separation unit 120 and the belt 133. The rotational power transmitted from the vinyl separation unit 120 through the belt 133 is rotated and wound to recover the vinyl V, or the recovered vinyl V is received by the reverse rotation power to the vinyl separation unit 120. Discharge.

The components of the part supply unit 110, the vinyl separator 120, and the vinyl recovery unit 130 capable of forward / reverse rotation will be described in detail as follows. First, the component supply unit 110 that generates the forward / reverse power includes the first disc member 111, the position sensing unit 114, the supply gear 115, the drive gear 116, the circular permanent magnet unit 117, And a second disc member 118 and a position detection disk 119.

The first disc member 111 is fixedly assembled on one side of the main frame 100 and a plurality of armature coils 113 are installed at predetermined intervals on a plane, and the rotation shaft 112 is rotated at the center thereof. Here, the first disc member 111 is provided with a ball bearing 111a so that the rotation shaft 112 smoothly rotates. The second disc member 118 is fixedly installed at one end of the rotary shaft 112 assembled to the central shaft of the first disc member 111.

The second disc member 118 fixed to one end of the rotary shaft 112 is rotated in conjunction with the rotation of the rotary shaft 112, the bottom surface of the second disc member 118 circular permanent magnet portion 117 Is installed in combination. The circular permanent magnet 117 assembled to the second disc member 118 interacts with the electric magnet 113 assembled on the surface of the first disc member 111 to generate forward / reverse power. The rotation shaft 112 is rotated forward / reverse by the forward / reverse rotation power generated between the circular permanent magnet part 117 and the electric coil 113.

The position detection disk 119 is installed at one end of the rotating shaft 112 in the forward / reverse rotation. Position detection disk 119 is formed so that a plurality of slots (slot) to form a circular shape is inserted into the inside of the rotary shaft 112, the position sensing unit 114 assembled at one end is installed, the supply gear 115 on the upper side Is installed. The supply gear 115 is connected to the drive gear 116 by the gear 124. The supply gear 115 and the drive gear 116 are coupled by the gear 124 at a predetermined distance from each other. Here, the position detecting unit 114 detects the rotational position of the position detection disk 119 and transmits it to a controller (not shown), and the controller receives the transmitted rotational position to more precisely control the transfer operation of the tape TF. Used to

The drive gear 116 is formed on the outer circumferential surface a drive tooth 116a is inserted into the tape feed hole (H: shown in Figure 3). The driving value 116a is formed on the outer circumferential surface of the drive gear 116 at regular intervals and moves at a constant pitch interval in the forward / reverse rotation of the drive gear 116 to move the tape TF to the suction position O of the nozzle N. ) Or the tape TF to be transported to the adsorption position (O) to the reverse to ensure that the parts are accurately transported to the adsorption position (O).

The component supply unit 110 and the vinyl separation unit 120, which generate a driving force for transferring the tape TF to the suction position O by the driving gear 116 or rotating the driving gear 116, are directly coupled and installed. do. That is, the first separation unit combines the forward / reverse power transmitted from the position detection disk 119 with the position detection disk 119 of the component supply unit 110 and the first separation gear 121 of the vinyl separation unit 120. It is transmitted from the gear 121.

The vinyl separator 120 that receives the forward / reverse power through the first separator gear 121 includes a first separator gear 121, a second separator gear 122, and a vinyl discharge gear 123. do. The first separation gear 121 transfers the forward / reverse rotational power transmitted from the position detection disk 119 to the second separation gear 122. The second separation gear 122 that receives the forward / reverse rotational power is assembled to one end of the first separation gear 121 to assemble the forward / reverse rotational power transmitted from the first separation gear 121 to the vinyl discharge gear. Forward to 123.

The vinyl discharge gear 123 is composed of a plurality of gears, and when the forward power is transmitted from the second separation gear 122, the vinyl discharge gear 123 is rotated in the opposite direction to transfer the vinyl V or transfer the vinyl V when the reverse rotation power is transmitted. The component supply unit 110 is to be re-transmitted. The vinyl recovery part 130 is coupled to the first separation gear 121 of the vinyl separation part 120 for transferring and re-transmitting the vinyl V by the belt 133.

The vinyl recovery unit 130 includes a recovery part gear 131 and a recovery reel 132. The recovery part gear 131 is coupled to the first separation gear 121 and the belt 133 to receive the forward / reverse power of the first separation gear 121. The recovery part gear 131 receiving the forward / reverse rotational power forward / reverses the recovery reel 132 assembled on one side according to the forward / reverse rotational power transmitted to the transfer position of the tape TF in the component supply unit 110. Synchronized during the control of the vinyl (V) is wound around the recovered or discharged vinyl (V) to the vinyl separation unit 120.

As described above, the part supply part which transfers the tape at a constant pitch is integrally formed to improve the part supply speed, simplify the configuration of the part supply device, and synchronize the part supply part, the vinyl separation part, and the vinyl recovery part, respectively. By reverse rotation, the feed position of the tape can be adjusted.

As described above, the component supply apparatus of the surface mounter of the present invention can improve the component supply speed by integrally forming the component supply unit for transferring the tape at a constant pitch and simplify the configuration of the component supply apparatus. The feed part, the vinyl separator and the vinyl recovery part are synchronized in the forward and reverse directions, respectively, to provide an effect of precisely controlling the transfer position of the tape.

Claims (5)

In the component supply apparatus of the surface mounter for mounting electronic components on a printed circuit board, It is installed on one side of the main frame, and rotates the circular permanent magnet in a predetermined direction to generate forward / reverse rotational power to transfer the tape at a predetermined pitch interval and to detect the position of the circular permanent magnet by the position detecting disk and the position detecting unit. Can supply parts; A vinyl separation unit coupled with the component supply unit to receive the rotational power generated by the component supply unit and rotate to transfer the peeled off vinyl from the tape, or to retransmit the vinyl by receiving the reverse rotational power; And The vinyl separator is coupled to the belt and is rotated by receiving the forward power transmitted from the vinyl separator through the belt to recover the vinyl transported from the vinyl separator, or the reversed power is transferred to discharge the recovered vinyl to the vinyl separator. Component mounting apparatus for a surface mounter, characterized in that consisting of a vinyl recovery. The apparatus of claim 1, wherein the component supply unit comprises: a first disc member having a plurality of armature coils installed therein and a rotation shaft rotatably installed at a center thereof; A second disc member inserted into the rotation shaft and rotated in association with the rotation of the rotation shaft; A circular permanent magnet part installed below the second disc member and generating a forward / reverse rotational power by rotating a rotary shaft by interaction with the electric magnet coil; A position detection disk which is spaced apart at a predetermined interval on an upper portion of the second disc member and transmits a rotational force of the rotary shaft; A supply unit gear assembled to one end of the rotation center shaft installed to rotate on the main frame and coupled to the position detection disk and the gear to receive forward / reverse power generated from the position detection disk to rotate the rotation center shaft; A drive gear which is assembled to the bottom of the supply part gear and is inserted into the rotation center shaft and rotates a driving value inserted into the tape feed hole by rotation of the rotation center shaft to transfer the tape to a constant pitch; And Inserted into the other end of the central axis of rotation is the component supply device of the surface mounter, characterized in that consisting of a position detecting unit for detecting the rotational speed of the center of rotation. The apparatus of claim 2, wherein the first disc member has a ball bearing installed at the center thereof so that the rotary shaft is assembled and rotated. According to claim 1, wherein the vinyl separation unit is coupled to the first supply gear gear of the parts supply part of the first separation gear which is forward / reverse rotation to receive the forward / reverse rotational power generated in the parts supply; A second separation gear which is coupled to one end of the first separation gear and rotates in association with forward / reverse rotation of the first separation gear; And The vinyl discharge gear coupled to the second separation gear and rotated in the opposite direction by forward rotation of the second separation gear to transfer vinyl or reverse rotation by reverse rotation of the second separation gear to retransmit the vinyl. Component supply apparatus for a surface mounter, characterized in that configured. According to claim 1, wherein the vinyl recovery unit is connected to the vinyl separation unit and the belt recovery unit gear for forward / reverse rotation to receive the forward / reverse rotational power generated in the vinyl separation unit through the belt; And Surface chamber, characterized in that it is assembled to one side of the recovery unit gear is rotated in accordance with the forward / reverse rotation of the recovery unit gear is wound around the vinyl recovery or to receive the reverse rotational power to discharge the recovered vinyl to the vinyl separation unit Long-term parts supply.