JP2012114182A - Component mounting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a component mounting device which can suppress the occurrence of failure caused by adhesion of dust, which is generated when a blank tape discharged from a tape feeder is cut off, to a substrate and a component.SOLUTION: A component mounting device 1 includes a tape feeder 15 for supplying a component 4 to a component taking-out port 15p by pitch-feeding a tape Tp having the component 4 stored therein. This device includes not only a blank tape cutting part 36 for cutting off a blank tape KTp obtained after supplying the component 4 discharged from the tape feeder 15 but also a dust collector 38 for absorbing the dust generated when the blank tape KTp is cut off by the blank tape cutting part 36.

Description

  The present invention relates to a component mounting apparatus that picks up a component supplied from a tape feeder and mounts it on a substrate.

  The component mounting apparatus includes a substrate positioning unit that positions a substrate on a base, a tape feeder that supplies components (electronic components), and a mounting head that is movable with respect to the substrate positioned by the substrate positioning unit. The parts supplied from the tape feeder are picked up by the mounting head and mounted on the substrate positioned by the substrate positioning unit.

  Here, the tape feeder pitches the tape to supply the parts stored in the tape one by one to the parts takeout port, but the empty tape after supplying the parts is difficult to recover as it is. It cut | disconnects by a fixed interval in a part (for example, patent document 1).

JP 2009-64929 A

  However, when the empty tape is cut, dust such as a piece of empty tape generated at the time of cutting floats in the work space covered by the cover member of the base and adheres to the substrate and parts, causing problems such as poor electrical contact. There was a problem that it might occur.

  Then, this invention aims at providing the component mounting apparatus which can suppress generation | occurrence | production of the malfunction resulting from the dust generated when the empty tape discharged | emitted from a tape feeder adheres to a board | substrate or components. To do.

  The component mounting apparatus according to claim 1 includes a base, a cover member that covers the base from above, a board positioning unit that is attached to the base and positions the board, and is attached to the base and accommodates components. A tape feeder that feeds the tape to the component take-out port by pitch feed and a substrate positioned by the substrate positioning unit are movably provided, and the components supplied from the tape feeder are picked up and positioned by the substrate A component mounting apparatus comprising a mounting head for mounting on a substrate positioned by a section, an empty tape cutting section for cutting an empty tape after supplying a component, which is discharged from a tape feeder, and an empty tape cutting section And a dust collector for sucking up dust generated when the empty tape is cut.

  A component mounting apparatus according to a second aspect is the component mounting apparatus according to the first aspect, wherein the dust collector guides the air after sucking up the dust to the lower part of the cover member and discharges it to the outside of the cover member.

  The component mounting apparatus according to claim 3 is the component mounting apparatus according to claim 1 or 2, wherein the dust collector includes a first filter member that captures dust generated when the empty tape is cut, and a first filter member. A second filter member provided at a position upstream of the air flow from the first filter member and having a mesh coarser than the first filter member was provided.

  The component mounting apparatus according to claim 4 is the component mounting apparatus according to any one of claims 1 to 3, wherein the cover member has a ceiling opening serving as an air passage in the ceiling, and the ceiling opening. In addition, an outside air filter member is provided at a position where the outside air is closed, and an outside air intake means for taking in outside air into the work space covered by the cover member via the ceiling opening and the outside air filter member is provided.

  In the present invention, dust generated when the empty tape discharged from the tape feeder is cut is sucked by the dust collector, so that the dust is prevented from floating inside the work space covered by the cover member, It is possible to suppress the occurrence of problems caused by dust adhering to the substrate or components.

The top view of the component mounting apparatus in one embodiment of this invention The side view of the component mounting apparatus in one embodiment of this invention The partially expanded side view of the component mounting apparatus in one embodiment of this invention The partial cross section enlarged side view of the dust collector with which the component mounting apparatus in one embodiment of this invention is provided The block diagram which shows the control system of the component mounting apparatus in one embodiment of this invention The block diagram which shows the control system of the component mounting apparatus in one embodiment of this invention The flowchart which shows the execution procedure of the component mounting operation which the component mounting apparatus in one embodiment of this invention performs

  Embodiments of the present invention will be described below with reference to the drawings. A component mounting apparatus 1 shown in FIG. 1 and FIG. 2 is a kind of component mounting apparatus that constitutes a component mounting system with other component mounting apparatuses (not shown) such as a solder printing machine, an inspection machine, a reflow furnace, etc. An electrode 3 provided on the surface of the substrate 2 by carrying in the substrate 2 sent from another component mounting apparatus (for example, a solder printer or another component mounting apparatus) (arrow A1 shown in FIG. 1). After performing the component mounting operation for mounting the component (electronic component) 4 on the substrate 2, the substrate 2 is mounted on another component mounting device (for example, another component mounting device, an inspection machine, a reflow furnace, etc.) on the downstream side (not shown). The operation of carrying out (arrow A2 shown in FIG. 1) is continuously executed.

  First, for convenience of explanation, a direction based on the component mounting apparatus 1 is defined. In the present embodiment, the conveying direction of board 2 in component mounting apparatus 1 (the direction of arrows A1 and A2 in FIG. 1) is the X-axis direction, and the horizontal plane direction orthogonal to the X-axis direction is the Y-axis direction. Let the direction be the Z-axis direction.

  1 and 2, the component mounting apparatus 1 includes a base 11 and a cover member 12 that covers the base 11 from above, and a board that is provided on the base 11 and carries the board 2 in the X-axis direction for positioning. A plurality of parts that are mounted side by side in the X-axis direction and are supplied to the conveyor 11 as a positioning unit and the two carriages 14 installed at the ends of the base 11 facing the Y-axis direction. The tape feeder 15 and the substrate 2 positioned by the transport conveyor 13 are provided so as to be movable, and the components 4 supplied from the tape feeders 15 are picked up and mounted on the substrate 2 positioned by the transport conveyor 13 2. Two mounting heads 16 are provided. The two mounting heads 16 are moved independently of each other by a three-axis orthogonal type head moving robot 17 provided on the base 11.

  In FIG. 2, a ceiling portion opening 12 a serving as an air passage is provided in the ceiling portion of the cover member 12. An outside air filter member 18 is attached at a position that closes the ceiling opening 12a, and a ceiling fan motor (motor with a fan) 19 is provided in the vicinity (downward) of the ceiling opening 12a. The ceiling fan motor 19 functions as outside air intake means for taking outside air into a space (work space SP) covered by the cover member 12 via the ceiling opening 12a and the outside air filter member 18.

  1, 2, and 3, each tape feeder 15 pitches the tape Tp containing the component 4, so that the component is provided at the end of the base 11 on the center side (conveyor 13 side). The component 4 is continuously supplied to the takeout port 15p.

  1 and 2, the head moving robot 17 includes a Y-axis table 17a provided across the conveyor 13 in the Y-axis direction, and an X-axis direction provided on the Y-axis table 17a so as to be movable in the Y-axis direction. And an X-axis table 17b extending on the X-axis table 17b and a moving stage 17c provided on the X-axis table 17b to be movable in the X-axis direction. A mounting head 16 is attached to each moving stage 17c, and a plurality of suction nozzles 16N extending downward are provided on each mounting head 16 so as to be movable up and down and rotatable about an up-and-down axis (Z-axis).

  1 and 2, each mounting head 16 is provided with a substrate camera 21 with the imaging field of view facing downward, and the imaging field of view is located above each of the two regions sandwiching the conveyor 13 on the base 11. A component camera 22 facing toward is provided.

  In FIG. 3, the carriage 14 has a plurality of wheels 31 a and is movable by a push-pull operation of a pair of handles 14 a, a column part 32 extending upward from the vehicle body part 31, and a column A horizontal frame portion 33 having a passage 33 a provided extending horizontally from the portion 32 and penetrating in the vertical direction, and a feeder base 34 provided at the upper end of the column portion 32 to support the plurality of tape feeders 15. And a reel 35 that is rotatably supported by the vehicle body 31 and feeds the wound tape Tp to the tape feeder 15, and the component 4 is taken out from the component take-out port 15 p of the tape feeder 15 and is lowered from the tape feeder 15. A horizontal frame portion cut by the empty tape cutting portion 36 for cutting the empty tape KTp discharged toward the 3 is generated when the empty tape KTp is cut by the empty tape cutting unit 36 and the empty tape cutting unit 36 that collects (accommodates) the cut piece Tf of the empty tape KTp that has fallen in the passage 33a of the No. 3 and floats in the work space SP. A dust collector 38 that collects (collects) dust such as fragments of the empty tape KTp that is being used is provided.

  1, 2, and 3, the carriage 14 can be run on the floor surface by an operator (not shown) operating a pair of handles 14a, and the operator can run the carriage 14 on the floor surface. When coupled to the base 11, the plurality of tape feeders 15 are collectively mounted on the base 11.

  4 and 5, when the carriage 14 is coupled to the base 11, the carriage-side connector 51 provided on the horizontal frame portion 33 is fitted in the horizontal direction with the mounting apparatus-side connector 52 provided on the base 11. Connected. Thereby, each tape feeder 15 attached to the feeder base 34 of the carriage 14, the empty tape cutting part 36 provided in the carriage 14, and the dust collector 38 are respectively provided in the base 11, the power supply device 61 and the control device 62. It is electrically connected and the operation control by the control device 62 becomes possible (FIG. 6).

  In FIG. 3, the empty tape cutting unit 36 includes a fixed blade 42 provided at the top of the horizontal frame unit 33, a movable blade 43, and a cutting cylinder 44 that drives the movable blade 43 in the horizontal direction. Is driven so as to reciprocate in the horizontal direction (arrow B shown in FIG. 4), the movable blade 43 repeatedly approaches and separates from the fixed blade 42, and is discharged downward from the tape feeder 15 to the fixed blade 42. The empty tape KTp, which is pitched downward between the movable blades 43, is cut at regular intervals. The empty tape cutting part 36 cuts the empty tape KTp, and the resulting cut piece Tf of the empty tape KTp falls in the passage 33a of the horizontal frame part 33 of the carriage 14 and is installed below the empty tape cutting part 36. It is recovered (accommodated) in the empty tape recovery unit 37.

  In FIG. 4, the dust collector 38 is provided in the vehicle body portion 31 and has a housing portion 71 having a dust collector opening 71 a on the upper side. The dust collector 38 is provided in the housing portion 71 and draws air into the housing portion 71. A dust collector fan motor 72 that discharges air from the inside of the body portion 71, a first dust collector fan motor 72 that is provided in the housing portion 71 and that captures foreign matter in the air drawn into the housing portion 71 by the dust collector fan motor 72. A filter member 73 (preferably in the form of a paper pack in consideration of the disposal of foreign matter), extends from the dust collector opening 71a of the casing 71 and opens toward the passage 33a of the horizontal frame 33. A vent pipe 74 connected to the frame portion opening 33b and a second pipe disposed so as to close the frame portion opening 33b in the passage 33a of the horizontal frame portion 33 and arranged in a substantially vertical posture. Extending from the bottom of the motor member 75 and the housing portion 71, it is provided with an exhaust pipe 76 for discharging direct the air discharged by the dust collector fan motor 72 in the lower portion of the cover member 12 to the outside of the cover member 12.

  Here, the first filter member 73 has a mesh size capable of capturing dust generated when the empty tape KTp is cut, and the second filter member 75 is larger than the first filter member 73. It shall have a coarse mesh.

  In the component mounting apparatus 1, the board 2 is transported and positioned to a predetermined work position (position shown in FIG. 1) by the control device 62 performing operation control of the transport conveyor 13 (FIG. 6).

  The operation of supplying the component 4 to the component take-out port 15p by each tape feeder 15 is performed by the control device 62 controlling the operation of each tape feeder 15 in a state where the carriage 14 is coupled to the base 11 (FIG. 6).

  As for the movement operation of each mounting head 16 in the horizontal plane, the control device 62 controls the operation of the head moving robot 17 to move each X-axis table 17b in the Y-axis direction relative to the Y-axis table 17a, and each X-axis table. This is done by combining the movement of each moving stage 17c with respect to 17b in the X-axis direction.

  The suction nozzle 16N included in each mounting head 16 is moved up and down with respect to the mounting head 16 and rotated around the vertical axis by the control device 62 controlling the operation of a nozzle drive mechanism 63 (FIG. 6) including an actuator (not shown). The

  The pick-up (suction) and detachment (suction release) operations of the components 4 by the suction nozzles 16N are performed by controlling the operation of a suction mechanism 64 (FIG. 6) composed of an actuator or the like (not shown) by the control device 62 and vacuuming the suction nozzles 16N. This is done by supplying pressure and releasing the vacuum pressure.

  The imaging operation by the board camera 21 and the component camera 22 is controlled by the control device 62 (FIG. 6). Image data obtained by the imaging operations of the board camera 21 and the component camera 22 is subjected to image recognition processing in an image recognition unit 62a (FIG. 6) of the control device 62.

  The controller 62 controls the rotational drive of the ceiling fan motor 19 provided on the ceiling of the cover member 12. When the ceiling fan motor 19 is rotated by being controlled by the control device 62, the outside air outside the cover member 12 is forcibly taken into the work space SP through the ceiling opening 12 a and the outside air filter member 18. Then, an air flow is formed in the work space SP downward from the ceiling (arrow C1 shown in FIGS. 3 and 4). Foreign matter contained in the air (outside air) flowing into the work space SP from the outside of the cover member 12 is captured by the outside air filter member 18 attached to the ceiling opening 12a of the cover member 12.

  The cutting operation of the empty tape KTp by the empty tape cutting unit 36 is performed by the control device 62 controlling the operation of the cutting cylinder 44 and moving the movable blade 43 relative to the fixed blade 42.

  The air sucking operation by the dust collector 38 is performed when the control device 62 controls the operation of the dust collector fan motor 72 and rotationally drives the dust collector fan motor 72. When the dust collector fan motor 72 is rotationally driven, the air taken into the work space SP from the ceiling opening 12a is guided through the empty tape cutting part 36 into the frame opening 33b from the passage 33a of the horizontal frame part 33. (Arrow C2 shown in FIG. 4), is guided into the casing 71 through the ventilation pipe 74, and is discharged (exhaust) from the exhaust pipe 76 to the outside of the cover member 12 (arrow C3 shown in FIG. 4). .

  As described above, in the air formed so as to flow from the ceiling opening 12a and flow from the upper side to the lower side in the work space SP, and flow from the empty tape cutting part 36 to the lower part of the cover member 12 through the dust collector 38. Among foreign matters, a large foreign matter such as the cut piece Tf of the cut empty tape KTp is first removed by the second filter member 75 attached to close the frame portion opening 33b, and the empty tape KTp is cut. Small foreign matters such as dust generated in the first filter member 75 are removed by the first filter member 73 provided in the housing portion 71 after passing through the second filter member 75.

  As described above, the second filter member 75 is attached in the passage 33a of the horizontal frame portion 33 so as to have a substantially vertical posture, and is thus captured by the second filter member 75 (the vent pipe 74). The foreign matter that has been prevented from entering the inside falls down as it is and is collected by the empty tape collecting section 37. For this reason, the 1st filter member 73 is hard to be clogged, and the maintenance interval of the 1st filter member 73 can be lengthened.

  Next, a procedure of component mounting work executed by the component mounting apparatus 1 will be described with reference to a flowchart shown in FIG. When the control device 62 detects that the substrate 2 has been input from another component mounting device (for example, a solder printer) on the upstream side by a detection means (not shown), the control device 62 operates the transfer conveyor 13 to load the substrate 2, Positioning to a predetermined work position (substrate loading positioning step of step ST1 shown in FIG. 7).

  After positioning the substrate 2, the control device 62 controls the operation of the head moving robot 17 to move the substrate camera 21 (the mounting head 16) above the substrate 2, so that the substrate mark ( Image recognition is performed by the image recognition unit 62a, and the displacement of the substrate 2 from the normal work position is calculated (substrate displacement calculation step of step ST2 shown in FIG. 7).

  After calculating the positional deviation of the substrate 2, the control device 62 moves the mounting head 16 above the tape feeder 15 and contacts the suction nozzle 16N of the mounting head 16 with the component 4 supplied to the component takeout port 15p of the tape feeder 15. At the same time, the vacuum pressure is supplied to the suction nozzle 16N by controlling the operation of the suction mechanism 64, and the component 4 is picked up (sucked) by the suction nozzle 16N (pickup process in step ST3 shown in FIG. 7).

  After picking up the component 4 by the suction nozzle 16N, the control device 62 moves the mounting head 16 so that the picked-up component 4 passes above the component camera 22, and images the component 4 by the component camera 22. Then, the image recognition unit 62a performs image recognition on the obtained image to inspect whether there is an abnormality (deformation or defect) in the component 4 (image recognition process in step ST4 shown in FIG. 7). A positional deviation (adsorption deviation) with respect to the adsorption nozzle 16N is calculated (adsorption deviation calculating step in step ST5 shown in FIG. 7).

  After calculating the suction deviation of the component 4, the control device 62 moves the mounting head 16 above the substrate 2 and controls the operation of the nozzle drive mechanism 63, so that the picked-up component 4 is placed on the target mounting position (this The electrode 3 at the target mounting position is brought into contact with a solder printing machine disposed on the upstream side of the component mounting apparatus 1), and the suction nozzle is controlled by controlling the operation of the suction mechanism 64. The supply of the vacuum pressure to 16N is released, and the component 4 is mounted on the substrate 2 (component mounting step of step ST6 shown in FIG. 7).

  Here, when mounting the component 4 on the substrate 2, the control device 62 corrects the positional deviation of the substrate 2 obtained in step ST2 and the adsorption deviation of the component 4 obtained in step ST5. The position of the suction nozzle 16N is corrected (including rotation correction).

  When the mounting of the component 4 at the target mounting position on the substrate 2 is completed, the control device 62 determines whether or not the mounting of all the components 4 to be mounted on the substrate 2 is completed (step shown in FIG. 7). ST7 wearing end determination step). As a result, when the mounting of all the components 4 to be mounted on the board 2 to the board 2 has not been completed, the control device 62 repeats the steps ST3 to ST6 and should be mounted on the board 2. When the mounting of all the components 4 to the board 2 has been completed, the transport conveyor 13 is operated to carry out the board 2 to the outside of the component mounting apparatus 1 (the board carrying-out process in step ST8 shown in FIG. 7). .

  When the board unloading process in step ST8 is completed, the control device 62 determines whether there is still the board 2 on which the component 4 is to be mounted (the board presence / absence determining process in step ST9 shown in FIG. 7). As a result, when there is the board 2 on which the component 4 is mounted, the control device 62 returns to step ST1 to carry in a new board 2 and when there is no board 2 on which the component 4 is mounted. Completes a series of component mounting operations.

  In such component mounting work by the component mounting apparatus 1, the control device 62 operates the empty tape cutting unit 36 when supplying the component 4 by the tape feeder 15 (the feeding operation of the tape Tp from the reel 35). In addition to cutting the empty tape KTp discharged from the tape feeder 15, the ceiling fan motor 19 and the dust collector fan motor 72 are operated in parallel. For this reason, the air flowing into the work space SP in the cover member 12 through the dust collector 38 installed below the tape feeder 15 through the ceiling opening 12a and flowing out from the lower portion of the cover member 12 to the outside of the cover member 12. The first filter member 73 of the dust collector 38 in the air flow absorbs the dust generated when the empty tape KTp is cut.

  As described above, the component mounting apparatus 1 according to the present embodiment includes the empty tape cutting unit 36 that cuts the empty tape KTp that is discharged from the tape feeder 15 and that has been supplied with the component 4, and the empty tape cutting unit 36. A dust collector 38 for sucking up dust generated when the tape KTp is cut, and dust generated when the empty tape KTp discharged from the tape feeder 15 is cut by the dust collector 38. It is possible to prevent the inside of the work space SP covered by the cover member 12 from floating, and it is possible to suppress the occurrence of problems caused by dust adhering to the substrate 2 or the component 4.

  Moreover, in the component mounting apparatus 1 in this Embodiment, since the dust collector 38 guides the air after sucking up the dust to the lower part of the cover member 12 and discharges it to the outside of the cover member 12, the dust is collected. It is possible to prevent foreign matter from entering the work space SP from the lower part of the base 11 as well as being prevented from entering the work space SP again.

  The dust collector 38 is provided at a position upstream of the first filter member 73 that captures dust generated when the empty tape KTp is cut, and the first filter member 73 on the upstream side of the air flow. The filter member 73 includes a second filter member 75 having a coarser mesh than the filter member 73, and large foreign matters such as the cut piece Tf of the cut empty tape KTp are removed by the second filter member 75. Thus, early clogging of the first filter member 73 can be prevented.

  Further, the cover member 12 has a ceiling portion opening 12a serving as an air passage in the ceiling portion, and an outside air filter member 18 is provided at a position closing the ceiling portion opening 12a, and the ceiling portion opening 12a and the outside air filter member 18 are provided. The ceiling fan motor 19 is provided as outside air intake means for taking in outside air into the work space SP covered by the cover member 12, and the ceiling fan motor 19 is operated to flow downward from above the base 11. Since the air flow is easily formed, dust generated when the empty tape KTp is cut by the dust collector 38 can be efficiently collected.

  Although the embodiment of the present invention has been described so far, the present invention is not limited to the above. For example, the configuration of the empty tape cutting unit 36 and the dust collector 38 shown in the above-described embodiment is merely an example, and the empty tape cutting unit 36 is ejected from the tape feeder 15 and the empty tape KTp after supplying the component 4 The dust collector 38 only needs to be capable of sucking dust generated when the empty tape KTp is cut by the empty tape cutting unit 36.

  Moreover, the dust collector 38 should just be able to guide the air after sucking up the dust to the lower part of the cover member 12 and to discharge it to the outside of the cover member 12, and the exhaust pipe 76 as shown in the embodiment is provided. It does not necessarily have to be provided.

  Moreover, in the above-mentioned embodiment, it becomes the structure provided with the external air intake means (ceiling part fan motor 19) which takes in external air in the work space SP via the ceiling part opening 12a of the cover member 12, and the filter member 18 for external air. However, if the air is drawn in by the dust collector fan motor 72, the outside air flows in from the ceiling opening 12a. Therefore, the outside air intake means may not necessarily be provided. However, if the outside air intake means is provided, a flow of air flowing from the upper side to the lower side of the base 11 is easily formed, so that the dust collection by the dust collector 38 can be performed efficiently.

  Provided is a component mounting apparatus capable of suppressing the occurrence of problems caused by dust generated when cutting an empty tape discharged from a tape feeder adhering to a substrate or a component.

DESCRIPTION OF SYMBOLS 1 Component mounting apparatus 2 Board | substrate 4 Component 11 Base 12 Cover member 12a Ceiling part opening 13 Conveyor (board positioning part)
DESCRIPTION OF SYMBOLS 15 Tape feeder 15p Parts extraction port 16 Mounting head 18 Filter member for outside air 19 Ceiling part fan motor (outside air intake means)
36 Empty tape cutting part 38 Dust collector 73 First filter member 75 Second filter member SP Work space Tp tape KTp Empty tape

Claims (4)

A base, a cover member that covers the base from above, a board positioning unit that is attached to the base and positions the board, and a tape that is attached to the base and contains the components is pitch-fed to the parts outlet. A tape feeder that supplies components and a mounting head that is provided so as to be movable with respect to the substrate positioned by the substrate positioning unit and picks up components supplied from the tape feeder and mounts them on the substrate positioned by the substrate positioning unit A component mounting apparatus comprising:
An empty tape cutting unit for cutting the empty tape after supplying the parts, which is discharged from the tape feeder;
A component mounting apparatus comprising: a dust collector that sucks up dust generated when an empty tape is cut by an empty tape cutting unit.   2. The component mounting apparatus according to claim 1, wherein the dust collector guides the air after sucking up the dust to a lower part of the cover member and discharges the air to the outside of the cover member.   The dust collector is provided at a position upstream of the first filter member that captures dust generated when the empty tape is cut, and at a position upstream of the first filter member in the air flow. The component mounting apparatus according to claim 1, further comprising a second filter member having a coarse mesh.   The cover member has a ceiling opening serving as an air passage in the ceiling, and an outside air filter member is provided at a position for closing the ceiling opening, and the cover member is covered with the cover member via the ceiling opening and the outside air filter member. 4. The component mounting apparatus according to claim 1, further comprising outside air intake means for taking outside air into the space.

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