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WO2018167880A1 - Machine de montage - Google Patents

Machine de montage Download PDF

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Publication number
WO2018167880A1
WO2018167880A1 PCT/JP2017/010462 JP2017010462W WO2018167880A1 WO 2018167880 A1 WO2018167880 A1 WO 2018167880A1 JP 2017010462 W JP2017010462 W JP 2017010462W WO 2018167880 A1 WO2018167880 A1 WO 2018167880A1
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WO
WIPO (PCT)
Prior art keywords
cleaning
component
pair
mounting machine
measuring
Prior art date
Application number
PCT/JP2017/010462
Other languages
English (en)
Japanese (ja)
Inventor
亜里沙 川添
Original Assignee
株式会社Ｆｕｊｉ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｆｕｊｉ filed Critical 株式会社Ｆｕｊｉ
Priority to PCT/JP2017/010462 priority Critical patent/WO2018167880A1/fr
Priority to JP2019505593A priority patent/JP6801083B2/ja
Publication of WO2018167880A1 publication Critical patent/WO2018167880A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components

Definitions

  • This disclosure relates to a mounting machine that mounts components on a circuit board.
  • Patent Documents 1 and 2 describe a mounting machine having a pair of measuring elements for measuring electrical characteristics of parts.
  • the mounting machine described in Patent Document 1 includes a holding base for holding a component, a stator and a movable element, a pair of measuring elements capable of measuring electrical characteristics across the component, And an air supply device for supplying air to the end face.
  • air is supplied to the upper part of the part which contacts the component of the end surface of a needle
  • the mounting machine described in Patent Document 2 includes a holding table and a pair of electrodes that are provided so as to protrude from the holding table and that measure electrical characteristics by contacting components.
  • an instruction for maintenance work is issued. Thereby, maintenance work such as cleaning of the electrode pair is performed by the worker.
  • the problem of the present disclosure is to reduce maintenance work such as cleaning by an operator.
  • At least one of the pair of measuring elements is automatically cleaned.
  • the operator is less likely to perform work such as cleaning at least one of the pair of measuring elements. As a result, the operator's maintenance work can be reduced.
  • FIG. 1 It is a perspective view of the mounting machine concerning Example 1 of this indication. It is a figure which shows the periphery of the suction nozzle of the mounting head contained in the said mounting machine. It is a perspective view of the measuring apparatus contained in the said mounting machine. It is sectional drawing of the principal part of the said measuring apparatus. It is a figure which shows the air cylinder periphery of the said measuring apparatus. It is a figure which shows the periphery of the control apparatus of the said mounting machine. It is a flowchart showing the LCR measurement program memorize
  • FIG. 9A It is a figure which shows the initial state of the said measuring apparatus.
  • FIG. 9B It is a figure which shows the clamped state of the said measuring apparatus.
  • FIG. 9C It is a figure which shows the measurement state of the said measuring apparatus.
  • FIG. 9D is a diagram showing a discarding state of the measuring device. It is an example of the resistance value measured in the said measuring apparatus in the state in which the opposing surface of the measuring element became dirty. It is a flowchart showing the cleaning routine different from the said cleaning routine. It is a flowchart showing another LCR measurement program memorize
  • the mounting machine shown in FIG. 1 mounts components on a circuit board, and includes a main body 2, a circuit board transport and holding device 4, a component supply device 6, a head moving device 8, a measuring device 26, and the like.
  • the circuit board transport and holding device 4 transports and holds a circuit board P (hereinafter abbreviated as “substrate P”).
  • the transport direction of the substrate P is the x direction and the width direction of the substrate P is y.
  • the direction and the thickness direction of the substrate P are defined as the z direction.
  • the y direction and the z direction are the front-rear direction and the vertical direction of the mounting machine, respectively. These x direction, y direction, and z direction are orthogonal to each other.
  • the component supply device 6 supplies electronic components (hereinafter abbreviated as components) s to be mounted on the board P, and includes a plurality of tape feeders 14 and the like.
  • the head moving device 8 moves a slider that holds the mounting head 16 in the x, y, and z directions, and the mounting head 16 holds a suction nozzle 18 that sucks and holds the component s.
  • the suction nozzle 18 sucks and holds the component s by supply of negative pressure (suction), releases the component s by supply of positive pressure (air), and is mounted on the substrate P. As shown in FIG.
  • the suction nozzle 18 includes an air passage 19 that opens at the tip, and the air passage 19 includes a negative pressure source 20 that includes a vacuum pump and the like, and a positive pressure source 22 that includes an air source and the like. They are connected via electromagnetic valves 20v and 22v, respectively. By controlling these solenoid valves 20v and 22v, the presence or absence of negative pressure supply and the presence or absence of positive pressure supply can be switched.
  • a camera 23 (see FIG. 6) as an imaging device is attached to the slider.
  • the camera 23 is a mark camera that images a reference mark or the like provided on the substrate P.
  • the mark camera 23 can be tilted with respect to the z-axis extending in the vertical direction, for example.
  • symbol 24 shows a camera.
  • the camera 24 is fixedly provided on the main body 2 and images the component s held by the suction nozzle 18. Based on the image captured by the camera 24, it is determined whether or not the component s is to be mounted on the board P.
  • Reference numeral 25 denotes a nozzle station.
  • the nozzle station accommodates a plurality of suction nozzles including a nozzle formed of an insulating material.
  • Reference numeral 26 denotes a measuring apparatus.
  • the measuring device 26 measures the electrical characteristics of the component s.
  • the electrical characteristics of the component s include L (inductance), C (capacitance), R (resistance), Z ′ (impedance), and the like, and one or more of these are measured by the measuring device 26.
  • the measuring device 26 is provided in the main body of the circuit board transporting and holding device 4 through the trash box 27.
  • the waste bin 27 and the measuring device 26 are connected by a waste passage 28.
  • the part s whose electrical characteristics have been measured is accommodated in the trash box 27 through the waste passage 28.
  • the measuring device 26 includes (i) a main body 30, (ii) a holding base 32 having a part holding portion capable of holding the part s, and (iii) a stator 34 and a movable element 36.
  • a pair of measuring elements 37 (iv) a holding table moving device 40 for moving the holding table 32, (v) a mover moving device 41 for moving the mover 36 so as to approach and separate from the stator 34, (vi)
  • An LCR detector 42 as an electrical characteristic detector is included.
  • the component s has electrode portions at both ends, and can be gripped by a pair of measuring elements 37 at the electrode portions.
  • a square chip corresponds to the component s.
  • an opening 30 a is provided at the bottom of the main body 30.
  • the opening 30a is in communication with the waste passage 28.
  • the holding table 32 is held by the holding table main body 46 so as to be integrally movable.
  • the holding table 32 includes a groove portion 45 formed on the upper surface thereof as a component holding portion. The part s is placed in the groove 45 and held.
  • the holding base 32 is made of a conductive material such as an aluminum alloy or a stainless material, and is electrically connected to the main body 30 via a member formed of a plurality of conductive materials (internal conduction and May be called). Further, since the main body 30 is grounded (grounded), the holding table 32 is also grounded. That is, the holding base 32 comes into contact with the holding base main body 46 and is fixed by the fastening portion 47, and the holding base main body 46 comes into contact with the main body 30 via the stopper 80 (see FIG. 4).
  • the holding base body 46, the stopper 80, the main body 30, the fastening portion 47, and the like are formed of a conductive material. Therefore, the holding table 32 is grounded via the holding table main body 46, the stopper 80, the fastening portion 47, the main body 30 and the like.
  • a cover portion 50 is attached to the stator 34 side of the holding base 32. As will be described later, the cover 50 prevents the air from diffusing and prevents the parts s and foreign matters that have fallen due to the ejection of air from being scattered.
  • the cover part 50 includes a pair of cover plate parts 52 and 54 provided on both sides of the groove part 45, respectively, separated from each other in the x direction.
  • the cover plate portions 52 and 54 extend in the y direction and the z direction, that is, in the moving direction and the vertical direction of the holding base 32 and the mover 36, respectively.
  • the stator 34 and the mover 36 are provided so as to be able to approach and separate from each other.
  • the stator 34 is fixed to the main body 30 via a stator holder 55.
  • the mover 36 is held by a mover holding body 56 at one end (reverse side end), and can move integrally with the mover holding body 56. Further, the other end portion (the end portion on the forward side) of the mover 36 is provided with an engaging portion 36 a that can engage with the groove portion 45.
  • the stator 34 and the movable element 36 constitute a pair of measuring elements 37.
  • the stator 34 and the mover 36 have opposing surfaces 34f and 36f that face each other, and the component s is gripped by the pair of opposing surfaces 34f and 36f. That is, the component s, the pair of measuring elements 37, the LCR detection unit 42, the power supply device not shown in the figure, and the like in a state where the electrode portions at both ends of the component s and the pair of measuring elements 37 are in contact with each other.
  • An electrical circuit 58 is formed. While a voltage is applied between the stator 34 and the mover 36, a current flowing between them is detected by the LCR detector 42, and based on the applied voltage, the flowing current, etc.
  • the electrical characteristics of the part s are acquired.
  • the LCR detection unit 42 is not limited to a detection unit that detects L, C, and R, and can detect one or more physical quantities representing electrical characteristics such as L, C, R, and Z ′.
  • Reference numerals 58a and 58b in FIGS. 3 and 4 are connecting portions of the pair of measuring elements 37 to the electric circuit 58.
  • the measurement device 26 includes a fixed air supply device (hereinafter abbreviated as an air supply device) 59.
  • the air supply device 59 includes an air passage 60, an ionizer 62, an air source 68, electromagnetic valve devices 69 and 72, an electromagnetic valve 73, and the like.
  • the air passage 60 includes an internal passage 60h formed in the stator holder 55, the main body 30, and the like, an ejection passage 60s formed in the stator 34, and the like.
  • the ejection passage 60 s extends in the y direction so as to incline downward toward the mover 36, and the opening 60 a faces the facing surface 36 f of the mover 36.
  • the air ejected from the opening 60a of the ejection passage 60s includes a portion (gripping portion) R that frequently grips the part s on the facing surface 36f of the mover 36, and is supplied to a portion RK wider than the portion R.
  • the air ejection portion 60b is configured by the ejection passage 60s, the opening 60a, and the like.
  • the opening 60a has a shape that expands downward as compared to the opening of the air supply device described in Patent Document 1, and has a shape that can widely supply air to the lower portion of the opposed surface 36a of the mover 36.
  • An air source 68 and the like are connected to the air passage 60 via an ionizer 62.
  • the ionizer 62 ionizes air by causing corona discharge, and supplies the ionized air.
  • the air source 68 can be the same as the positive pressure source 22 described above.
  • the holding table moving device 40 moves the holding table 32 and includes an air cylinder 64 as a drive source. As shown in FIG. 5, in the air cylinder 64, the interior of the housing is partitioned into two air chambers 64 a and 64 b by a piston, and the holding base body 46 is connected to the piston rod 66 of the piston.
  • An electromagnetic valve device 69 is provided between the two air chambers 64a and 64b, the air source 68, the air passage 60, and the filter (atmosphere).
  • the electromagnetic valve device 69 includes a plurality of electromagnetic valves, and the holding base 32 is moved forward and backward by the control of the electromagnetic valve device 69. When the holding table 32 moves forward, the air source 68 is communicated with the air chamber 64b, and the air passage 60 is communicated with the air chamber 64a. Therefore, air is supplied to the air passage 60 as the holding table 32 moves forward.
  • the mover moving device 41 is for moving the mover 36 and includes an air cylinder 70 as a drive source.
  • an air cylinder 70 as a drive source.
  • two air chambers 70a and 70b partitioned by a piston are formed inside the housing, and the mover holder 56 is connected to the piston rod 71 of the piston.
  • An air source 68, an air passage 60, and a filter (atmosphere) are connected to the two air chambers 70a and 70b via an electromagnetic valve device 72.
  • the mover 36 is moved forward and backward by the control of the electromagnetic valve device 72.
  • the air source 68 is communicated with the air chamber 70a
  • the air passage 60 is communicated with the air chamber 70b. Therefore, air is supplied to the air passage 60 as the mover 36 moves backward.
  • the air source 68 and the air passage 60 are connected by bypassing the cylinders 64 and 70 via the electromagnetic valve 73.
  • the air source 68 is cut off from the air passage 60 and communicated with the cylinders 64 and 70, and the air passage 68 communicated with the air passage 60 and cut off from the cylinders 64 and 70.
  • the cylinders 64 and 70, the air passage 60, and the air source 68 can be switched between a communication state and a shut-off state under the control of the electromagnetic valves 69 and 72, respectively.
  • a pair of guide rods 74 and 75 extending in the y direction are provided between the main body 30 or the stator holder 55 and the mover holder 56, and the holder 32 and the mover holder are held.
  • a pair of guide rods 76 and 77 extending in the y direction are provided between the body 56 and the body 56.
  • the guide rods 74, 75, 76, 77 allow the stator 34 and the mover 36 to move relative to each other in the y direction, and the holding base 32 and the mover 36 move relative to each other in the y direction.
  • a stopper 82 is provided on the stator side of the mover holder 56, and a stopper 80 is provided on the main body 30 or the stator holder 55.
  • the stopper 82 defines the approach limit between the mover holder 56 and the holding base 32 (holding base body 46), and the stopper 80 approaches the stator 34 and the holding base 32 (holding base body 46). It defines the limit.
  • the mounting machine includes a control device 100.
  • the control device 100 includes a controller 102 mainly composed of a computer and a plurality of drive circuits 104.
  • the controller 102 includes an execution unit 110, a storage unit 112, an input / output unit 114, and the like.
  • the substrate transfer holding device 4, the component supply device 6, and the head moving device 8 each include a drive circuit 104.
  • the holding table moving device 40, the electromagnetic valve devices 69 and 72 of the mover moving device 41, the electromagnetic valves 20v, 22v, and 73 are connected.
  • an LCR detection unit 42 a display 116, a mover position sensor 118, a holding stand position sensor 120, a nozzle height sensor 122 for detecting the height of the nozzle 18, a mark camera 23, a camera 24, and the like are connected.
  • the storage unit 112 stores a plurality of programs and tables such as the LCR measurement program represented by the flowchart of FIG. Further, time is measured by a timer 124 provided in the controller 102.
  • the solenoid valve devices 69 and 72 are controlled using the outputs of the holding stand position sensor 120 and the mover position sensor 118, the time measured by the timer 124, etc., and the holding stand 32 and the mover 36 move forward. , Retreated.
  • the operation of the mounting machine will be described.
  • a command for measuring the electrical characteristics of the part s is issued, such as when a new tape feeder 14 is set or the tape feeder 14 is replaced, the electrical of the part s held by the tape feeder 14 is output. Characteristics are measured.
  • a measured value that is a value of the measured electrical characteristic may be compared with a standard value of the component, and it may be determined whether or not these values substantially match. In that case, the result of comparing the measured value with the standard value can be displayed on the display 116.
  • the electrical characteristics of the part s due to the measurement of the electrical characteristics of the part s, foreign matters such as plating of the part s adhere to the opposing surfaces 34f and 36f of the stator 34 and the mover 36 and become dirty. If foreign matter such as plating adheres to the facing surfaces 34f and 36f, the electrical characteristics of the component s cannot be measured accurately. For example, as shown in FIG. 10, when the electrical characteristics of the component s are measured in a state where foreign matter is attached, even if the component s is normal, the measured value greatly deviates from the specified value A. And the variation becomes large.
  • the opposing surfaces 34f and 36f are imaged by the mark camera 23, and the necessity of cleaning is determined based on the captured images of the opposing surfaces 34f and 36f, respectively. And the foreign material adhering to the opposing surfaces 34f and 36f determined that cleaning is required is removed.
  • the electrical characteristics of the component s are measured by executing the LCR measurement program represented by the flowchart of FIG.
  • the measuring device 26 In the non-operating state of the mounting machine, the measuring device 26 is in the initial state shown in FIG. 9A.
  • the mover 36 is in the retracted end position, and the holding base 32 is in the advanced end position. Since the holding table 32 is in contact with the stopper 80, it is in a state of being grounded by internal conduction or the like.
  • step 1 it is determined whether or not a measurement command for the electrical characteristics of the component s has been issued.
  • a measurement command for example, in S2
  • the component s held by the tape feeder 14 is picked up by the suction nozzle 18, released by the supply of positive pressure, and held in the groove 45. It can be seen that the suction nozzle 18 is lowered and the electromagnetic valve 22v is switched to open, so that the component s is held in the groove 45.
  • the movable element 36 is moved in the direction indicated by the arrow F in FIG.
  • the mover 36 is advanced along the groove 45 of the holding table 32, and the component s is clamped by the facing surface 34 f of the stator 34 and the facing surface 36 f of the mover 36. Further, the opposing surfaces 34f and 36f are in contact with the electrode portions at both ends of the component s.
  • This state is the clamped state shown in FIG. 9B.
  • the holding base 32 is moved in the direction indicated by the arrow B in FIG.
  • the holding table 32 is made of a conductive material. Therefore, when measuring the electrical characteristics of the component s, the holding base 32 is moved backward from the engaging portion 36a and separated from the component s and the engaging portion 36a.
  • S5 it is determined whether or not the elapsed time after the component s is placed on the holding base 32 has reached the static elimination time.
  • the charge charged in the component s is removed through the holding table 32.
  • the time required for static elimination of the component s is determined by the characteristics and size of the component s and is determined in advance.
  • the electrical characteristics are measured in S6. This state is the measurement state shown in FIG. 9C.
  • the movable element 36 is retracted to the retracted end position by the control of the electromagnetic valve devices 72 and 69, and retracted until the holding base 32 comes into contact with the stopper 82. .
  • the front end surface of the holding table 32 is positioned substantially the same as or behind the facing surface 36f of the mover 36, and the holding table 32 does not exist below the pair of facing surfaces 34f and 36f. This state is the discard state shown in FIG. 9D.
  • the component s falls downward and is accommodated in the trash box 27 through the opening 30a and the disposal passage 28.
  • the cover 50 covers the space between the pair of opposing surfaces 34f and 36f from the x direction. As a result, the component s can be satisfactorily dropped from the facing surface 36f, and scattering of the component s can be prevented.
  • a cleaning routine which will be described later, is executed in S9. Thereafter, in S10, the holding base 32 is advanced to a forward end position where it abuts against the stopper 80 under the control of the electromagnetic valve device 69.
  • the initial state shown in FIG. Further, when the holding table 32 moves forward, air is supplied from the opening 60a of the ejection passage 60s to the facing surface 36f of the mover 36. For this reason, it is possible to remove the charge on the facing surface 36f of the mover 36.
  • the mark camera 23 is moved to a position where the opposed surface 34f of the stator 34 can be imaged and a position where the opposed surface 36f of the movable element 36 can be imaged, respectively. Is imaged. Note that when the opposing surfaces 34f and 36f are imaged by the mark camera 23, the mark camera 23 can be inclined with respect to the z axis so that the lens faces the opposing surfaces 34f and 36f. Further, depending on the field of view of the mark camera 23, it may be possible to image the opposing surfaces 34f, 36f at a time. In this case, the mark camera 23 is moved to a position where both the opposing surfaces 34f and 36f can be imaged.
  • each of the captured images of the opposing surfaces 34f and 36f is processed, whereby the necessity of cleaning is determined for each of the opposing surfaces 34f and 36f.
  • cleaning is performed when foreign matter adheres to the opposing surfaces 34f and 36f, or when foreign matter adheres to the opposing surfaces 34f and 36f to such an extent that the measurement accuracy of the electrical characteristics of the component is reduced. Can be determined to be necessary.
  • the determination in S22 is YES, and cleaning is performed in S23.
  • the suction nozzle 18 moves in order upward from the facing surfaces 34f and 36f (end portions of the stator 34 and the mover 36). Are respectively moved down.
  • the electromagnetic valve 22v is opened, and air is blown and supplied from the tip of the suction nozzle 18 toward the ends of the stator 34 and the mover 36. Air flows along the opposing surfaces 34f and 36f.
  • an air source 68 is communicated with the air passage 60, and air is ejected toward the facing surface 36f and supplied.
  • the electromagnetic valve 73 is controlled, the air cylinders 64 and 70, the air source 68, and the air passage 60 can be blocked by the electromagnetic valve devices 69 and 72.
  • both the supply of air from the suction nozzle 18 to the opposing surfaces 34f and 36f and the supply of air from the air supply device 59 to the opposing surface 36f are performed. Is not indispensable, and at least one of them may be performed. Moreover, these may be performed in parallel or in order, and the order may be any first.
  • the cleaning By performing the cleaning, it is possible to drop the foreign matter adhering to the facing surfaces 34f and 36f. Further, the foreign matter peeled off from at least one of the facing surfaces 34f and 36f falls and is stored in the trash box 27 through the disposal passage 28. As shown in FIG. 9D, in the discarded state, the space between the stator 34 and the mover 36 is covered by the cover 50, so that the air is circulated inside the cover 50 in a spiral shape. For this reason, the foreign matter adhering to the facing surface 34f is easily removed by the air ejected from the air ejection portion 60b toward the facing surface 36f.
  • the process returns to S21, and the opposing surfaces 34f and 36f are respectively imaged by the mark camera 23.
  • S22 it is determined whether or not each of the opposing surfaces 34f and 36f needs to be cleaned.
  • cleaning is performed in S23.
  • S21 to S23 are repeatedly executed.
  • S24 an end process such as closing the electromagnetic valve 22v and closing the electromagnetic valve 73 is performed.
  • the mounting head 16 when the mounting head 16 is moved to the measuring device 26 for imaging and cleaning, the mounting head 16 is moved to the measuring device 26 for measuring the electrical characteristics of the component s, and imaging and cleaning are also performed. is there. In any case, the mounting head 16 is separated from the measuring device 26 after cleaning.
  • At least one of the facing surfaces 34f and 36f is automatically cleaned by at least one of the air supply device 59 and the suction nozzle 18.
  • the cleaning routine the opposing surfaces 34f and 36f are imaged by the mark camera 23, and cleaning is performed until it is determined that cleaning is not necessary.
  • the suction nozzle 18, the air passage 19, the positive pressure source 22, the electromagnetic valve 22v and the like constitute a movable air supply device, and at least one of the movable air supply device and the fixed air supply device 59 is used.
  • a cleaning device is configured.
  • the cleaning control device is configured by a portion that stores the cleaning routine represented by the flowchart of FIG. 8 of the control device 100, a portion that executes the cleaning routine, and the necessity of cleaning is determined by the portion that stores S22, the portion that executes, etc.
  • a determination unit is configured.
  • the cleaning can be performed without determining whether the opposing surfaces 34f and 36f need to be cleaned.
  • a cleaning routine represented by the flowchart of FIG. 11 is executed in S9. Every time the electrical characteristics of the component s are measured, cleaning is performed in S31. Air is supplied to the opposed surfaces 34f and 36f by the suction nozzle 18 for a set time, and air is supplied to the opposed surface 36f by the air supply device 59 for the set time. The supply of air by the suction nozzle 18 and the supply of air by the air supply device 59 may be performed in parallel or sequentially.
  • the cleaning control device is configured by a portion that stores S9 (a cleaning routine represented by the flowchart of FIG. 11) of the control device 100, a portion that executes the portion, and the like.
  • imaging is performed before measurement of the electrical characteristics of the component s, and it is possible to determine whether or not cleaning is necessary and perform cleaning after the measurement.
  • An example of the LCR measurement program in that case is shown in the flowchart of FIG.
  • S2 the component s is placed on the holding table 32, and in S3, the facing surfaces 34f and 36f are imaged by the mark camera 23 before the mover 36 is advanced, that is, in S2a (in an initial state).
  • S8 discarded state
  • a cleaning routine is executed in S9 ′.
  • S9 ′ S22 and subsequent steps in the flowchart of FIG. 8 are executed.
  • each of the opposing surfaces 34f and 36f needs to be cleaned is determined in the discarding state, and at least the opposing surfaces 34f and 36f are determined.
  • cleaning is performed. This embodiment is effective when it takes a long time to process an image captured by the mark camera 23. Further, when it is determined that cleaning is not necessary, it is not necessary to move the suction nozzle 18 to the measuring device 26. Therefore, useless movement of the mounting head 16 can be reduced, and power consumption can be reduced. be able to.
  • the cleaning control device is configured by the portions that store S2a and S9 ′ in the flowchart of FIG. 12 and the portions that execute them, and the necessity of cleaning is determined by the portions that store S22 and the portions that execute them.
  • the part is composed.
  • the mark camera 23 it is not indispensable to attach the mark camera 23 so as to be tiltable with respect to the z axis, and the mark camera 23 can also be attached in a posture in which the optical axis extends parallel to the z axis.
  • the number counting program shown in the flowchart of FIG. 13 is executed every set time.
  • S41 it is determined whether or not a measurement command for the electrical characteristics of the component s has been issued. If the determination is YES, the number counter is incremented by 1 in S42.
  • S43 it is determined whether or not the measurement number C, which is the count value counted by the number counter, has reached the set measurement number Cth. Before the count value reaches the set measurement number Cth, the number of measurements by the number counter is determined. Counting continues. When the number of times of measurement C reaches the set number of times of measurement Cth, the cleaning necessity flag is turned ON in S44, and the count value of the number counter is set to 0 in S45.
  • the count value at that time is stored in the storage unit 112. Then, when the main switch is turned on, the count value is read and the number of measurements is accumulated and counted.
  • the cleaning routine is executed (in the discarding state) in S9 of the LCR measurement program, as in the above embodiment.
  • S51 it is determined whether or not the cleaning necessity flag is ON. If the determination is YES, in S52, the suction nozzle 18 is moved and lowered above the opposing surfaces 34f and 36f, respectively. Then, at that position, air is ejected from the tip of the suction nozzle 18 for a set time by the control of the electromagnetic valve 22v. Further, air is ejected from the air passage 60 toward the facing surface 36f during the set time by the control of the electromagnetic valve 73 and the like. Thereafter, in S53, an end process such as turning off the cleaning necessity flag is performed.
  • the measurement number counting unit is configured by a part for storing the measurement number counting program represented by the flowchart of FIG. 13 of the control device 100, a part for executing the program, and the like, and the measurement number counting unit, S9 (FIG. 14).
  • the cleaning control device is configured by a part that stores a cleaning routine (represented by a flowchart), a part that executes the routine, and the like.
  • both the facing surfaces 34f and 36f need to be cleaned. It is determined that Other parts of the mounting machine are the same as those of the mounting machine according to the second embodiment.
  • the measurement time measurement program represented by the flowchart of FIG. 15 is executed at predetermined time intervals.
  • S61 it is determined whether or not the measurement state is set. That is, it is determined whether or not the component s is gripped by the stator 34 and the mover 36 and a voltage is applied. If it is in the measurement state, the determination is yes, and the time is measured by the timer 124 in S62.
  • S63 it is determined whether or not the measurement time t has reached the set measurement time Ts. If the determination is YES, the cleaning requirement flag is turned ON in S64, and the timer is cleared in S65.
  • the cleaning routine represented by the flowchart of FIG. 14 can be executed.
  • the total time that the component s is gripped by the stator 34 and the movable element 36 can also be referred to as a broad measurement time. In this case, the time in the clamp state of FIG. 9B and the measurement state of FIG. 9C is measured.
  • the cleaning control device is configured by the parts to be performed.
  • a fixed air supply device 150 is provided in the measurement device instead of the fixed air supply device 59.
  • Other parts of the mounting machine are the same as those of the mounting machine of the first embodiment, and the LCR measurement program represented by the flowchart of FIG. 7 or 12 is executed.
  • the cleaning routine shown in the flowchart of FIG. 8, FIG. 8 (excluding S21) or FIG. 11 is executed. In that case, the air supply device 150 is activated. Further, it is not always necessary to supply air by the suction nozzle 18.
  • the air supply device 150 includes an air ejection part 154 provided on the mover 152 as shown in FIG.
  • the air ejection part 154 includes an ejection passage 154s and an opening 154a.
  • the ejection passage 154s extends in the y direction so as to incline downward as it approaches the stator 34, and the opening 154a faces the facing surface 34f of the stator 34.
  • the ejection passage 154s is connected to the air passage 60 by an air passage 156. Further, the air ejected from the opening 154a is supplied to the portion RM that frequently holds the component s on the facing surface 34f of the stator 34.
  • air is ejected by the air supply device 150 toward both the facing surface 36f of the mover 36 and the facing surface 34f of the stator 34. Thereby, the foreign material adhering to the opposing surfaces 34f and 36f can be removed.
  • the measuring device includes a wiper device 170 as a cleaning device, as shown in FIGS.
  • Other parts of the mounting machine are the same as those of the mounting machine of the first embodiment, and the LCR measurement program represented by the flowchart of FIG. 7 or 12 is executed.
  • the cleaning routine shown in the flowchart of FIG. 8, FIG. 8 (excluding S21) or FIG. 11 is executed.
  • the air supply device 59 and the suction nozzle 18 supply air.
  • the wiper device 170 can be operated.
  • the wiper device 170 includes a main body 172, a rotary shaft 174 rotatably held by the main body 172, a rod 176 rotatably held integrally with the rotary shaft 174, an electric motor 180 connected to the rotary shaft 174, and the like. .
  • a wiper 178 such as a nonwoven fabric is provided at the tip of the rod 176.
  • the rotating shaft 174 is rotated with the rotation of the electric motor 180, and the wiper 178 is rotated.
  • the wiper device 170 is attached to the mover 36, but can also be attached to the stator 34.
  • the rod 176 When cleaning is not performed, the rod 176 is located in the x and y planes, and the wiper 178 is in a non-acting position spaced from the facing surface 36f of the mover 36, as indicated by the solid line in FIG.
  • the rod 176 When cleaning is performed, as indicated by a two-dot chain line in FIG. 18, the rod 176 extends in the vertical direction, and the wiper 178 is in an operating position in contact with the facing surface 36 f. At this operating position, the wiper 178 is reciprocated by the electric motor 180 as indicated by the arrow. Thereby, the foreign material adhering to the opposing surface 36f can be removed.
  • a brush or brush can be attached to the tip of the rod 176 instead of the wiper 178.
  • the measuring device may have the structure shown in FIG.
  • the control device 100 of the present mounting machine stores and executes the LCR measurement program represented by the flowchart of FIG. Other parts of the mounting machine are the same as those of the mounting machine of the first embodiment.
  • the measurement apparatus 200 includes a plurality of measurement tables 202, and each of the plurality of measurement tables 202 is provided with a pair or two pairs of electrode pairs 204 protruding from the measurement table 202, respectively. Further, the measuring device 200 is attached to the trash box 27 via the measuring table holder 206. Then, in a state where the component s is held by the suction nozzle 18, the electrode portion of the component s is brought into contact with the pair of electrodes 204, and the electrical characteristics are measured. Further, after the electrical characteristics are measured, the component s is discarded into the trash box 27.
  • an insulating nozzle formed of an insulating material is used as the suction nozzle 18.
  • the LCR measurement program represented by the flowchart of FIG. 20 is executed.
  • S71 it is determined whether or not a measurement command for the electrical characteristics of the component s has been issued.
  • the measurement command is issued, the component s supplied by the component supply device 6 is picked up by the suction nozzle 18 and brought into contact with the pair of electrodes 204 in S72.
  • S73 the electrical characteristics are measured in a state where the component s is held by the suction nozzle 18. Thereafter, the suction nozzle 18 that holds the component s is separated from the electrode pair 204.
  • the mark camera 23 is moved to positions where the electrodes constituting the electrode pair 204 can be imaged, and the electrodes are imaged at the respective positions.
  • the part s is discarded into the trash box 27.
  • a cleaning routine is executed, and in S77, end processing is performed.
  • the mark camera 23 can image a pair of electrode pairs 204 simultaneously, the pair of electrode pairs 204 are moved to a position where they can be imaged at the same time and imaged.
  • the cleaning routine of S76 will be described based on the flowchart of FIG.
  • the necessity of cleaning is determined based on the image captured by the mark camera 23. If cleaning is necessary, the suction nozzle 18 is moved above the two electrodes constituting the electrode pair 204 and lowered in S82. Then, under the control of the electromagnetic valve 22v, a positive pressure is ejected from the tip of the suction nozzle 18 toward the electrode for a set time, and cleaning is performed.
  • the cleaning control device is configured to store, execute, etc. the portions S74 and 76 (cleaning routine represented by the flowchart of FIG. 21) of the LCR measurement program represented by the flowchart of FIG.
  • stores S81, the part to perform, etc. comprise a cleaning necessity judgment part.
  • the imaging in S74 can also be executed in a cleaning routine. Further, the steps S74 and 81 are not essential.
  • the cleaning is performed in relation to the measurement of the electrical characteristics of the component s.
  • the cleaning is performed exclusively regardless of the measurement of the electrical characteristics. can do.
  • the mounting head 16 can be moved to the measuring devices 26 and 200 without being held by the suction nozzle 18 so that cleaning can be performed.
  • the present disclosure can be implemented in various modifications and improvements based on the knowledge of those skilled in the art, such as two or more of the above-described embodiments can be implemented in combination with each other. .
  • a mounting machine that picks up a component supplied by a component supply device and mounts it on a circuit board, A pair of measuring elements for measuring the electrical characteristics of the component by contacting the component; and A cleaning device for cleaning at least one of the pair of measuring elements;
  • a mounting machine including a cleaning control device that operates the cleaning device at a predetermined timing. For example, when one of the pair of measuring elements is cleaned by the cleaning device, the operator is less required to clean one of the measuring elements, thereby reducing the maintenance work such as cleaning. can do. Also, the cleaning can be performed in connection with the measurement of the electrical characteristics of the part or not in connection with the measurement of the electrical characteristics of the part.
  • the cleaning control device includes a measurement number counting unit that counts the number of times of measurement of the electrical characteristics of the component by the pair of measuring elements, and the measurement number counted by the measurement number counting unit is predetermined.
  • the cleaning control device includes a timer that measures a measurement time that is a total time required for the pair of measuring elements to measure the electrical characteristics of the component, and the measurement time measured by the timer
  • the mounting machine according to (1) or (3), wherein the cleaning device is activated when a predetermined measurement time is reached.
  • the measurement time can be the total time during which a pair of probe contacts the component and voltage is applied, or the total time during which the pair of probe contacts the component.
  • the mounting machine includes an imaging device capable of imaging the pair of measuring elements
  • the cleaning control device includes a cleaning necessity determining unit that determines whether or not cleaning is required for each of the pair of measuring elements based on an image captured by the imaging device, and the cleaning necessity determining unit One of the items (1), (3), and (4), which activates the cleaning device when it is determined that at least one of the pair of measuring elements needs to be cleaned.
  • the imaging device may be fixedly provided on the mounting machine or may be movably provided. Further, the imaging device can be attached in a posture in which the optical axis of the lens is parallel to the vertical direction, or can be attached so as to be tiltable with respect to the vertical direction.
  • the mounting machine includes a component holding device that holds the component, and a moving device that moves the component holding device, The imaging device is movable by the moving device;
  • the cleaning control device moves the imaging device to the moving device to a position where the imaging device can capture each of the pair of measuring elements, and the pair of measurements to the imaging device at each position.
  • the mounting machine according to item (5), wherein each child is imaged.
  • two imaging elements of a pair of measuring elements can be imaged by one imaging by the imaging apparatus depending on the field of view of the lens of the imaging apparatus, the distance between the measuring elements, etc., the two measuring elements are separately imaged. It may be necessary to do so.
  • the imaging apparatus is moved to a position where both of the pair of measuring elements can be imaged, and images both of the pair of measuring elements.
  • the imaging device is moved to a position corresponding to one of the pair of measuring elements to image one measuring element, and then moved to a position corresponding to the other of the pair of measuring elements. And image the other probe.
  • the cleaning device includes an air supply device that supplies air to the at least one probe. Foreign matter adhering to the probe can be removed by supplying air.
  • the air supply device blows air toward the part that contacts the part of the probe and supplies it, or air is supplied to the probe so that the air flows along the part that contacts the part of the probe. Or can be supplied.
  • the air supply device includes an air source, an air passage connected to the air source at one end and an opening at the other end, and an electromagnetic valve provided in the air passage.
  • the mounting machine includes a component holding device that holds the component, and a moving device that moves the component holding device,
  • the component holding device includes a suction nozzle that holds the component by negative pressure and releases the component by positive pressure;
  • the cleaning control device causes the moving device to move the suction nozzle to a position corresponding to the at least one probe, and at each position, the positive pressure is transferred from the suction nozzle to the at least one probe.
  • the suction nozzle is a component of the air supply device.
  • the suction nozzle includes an air passage formed therein, and a positive pressure source and a negative pressure source are selectively communicated with the air passage.
  • the pair of measuring elements measure the electrical characteristics of the component in a state where the component is held by the suction nozzle.
  • the suction nozzle corresponds to each of the at least one probe.
  • Each of the positions is moved, and at each position, the positive pressure is supplied from the suction nozzle to each of the at least one measuring element.
  • Mounting machine During the measurement before and during the measurement of the electrical characteristics of the component, the suction nozzle is in a state of holding the component, and therefore cannot be cleaned. Therefore, it is desirable that the suction nozzle performs cleaning after measuring the electrical characteristics, releasing the part, and before starting the measurement of the electrical characteristics of the next part. Further, there are cases where the parts after measurement are discarded in the trash box, used for mounting on the substrate, or the like.
  • the pair of measuring elements are provided so as to be able to approach and separate from each other, grasp the part by being brought close to each other, measure the electrical characteristics of the part, and be separated from each other to make the part Is to release
  • the mounting machine according to any one of the above.
  • An air ejection part may be provided in both of a pair of measuring elements, or may be provided in any one.
  • Item (12) in which the cleaning control device causes the at least one air ejection portion to eject the air toward the other measuring element in a state where the pair of measuring elements are separated from each other.
  • the pair of probe is In the initial state, they are separated from each other, In the measurement state, grip the parts by being brought close to each other, measure the electrical characteristics,
  • the mounting machine according to any one of (1) to (10), (12), or (13), wherein the components are released and disposed of by being separated from each other in a discarded state.
  • the discarding state the lower part between the pair of measuring elements is an opening and communicates with the discarding passage.
  • the mounting machine includes an imaging device capable of imaging the pair of measuring elements, In the initial state, the cleaning control device causes the imaging device to capture the pair of measuring elements, and in the discarding state, each of the pair of measuring elements is based on an image captured by the imaging device.
  • the mounting machine according to (14) or (15), wherein the cleaning device determines whether or not the cleaning is necessary and causes the cleaning device to perform cleaning of at least one measuring element that is determined to be required to be cleaned. The necessity of cleaning can be determined in a discarded state.
  • the mounting machine includes an imaging device capable of imaging the pair of measuring elements
  • the cleaning control device in the discarding state, causes the imaging device to take an image of the pair of measuring elements, determines whether or not cleaning is required for each of the pair of measuring elements based on the captured image, and
  • the mounting machine according to (14) or (15), wherein the cleaning device performs cleaning of at least one measuring element that is determined to require cleaning.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

L'objet de l'invention est de réduire la quantité d'opérations de maintenance telles que le nettoyage de sonde par un opérateur. À cet effet, l'invention concerne une machine de montage, au moyen de laquelle le nettoyage d'au moins une sonde d'une paire de sondes est effectué automatiquement. La nécessité d'effectuer une opération, telle que le nettoyage d'au moins une sonde de la paire de sondes, est réduite. Par conséquent, la quantité d'opérations de maintenance par l'opérateur peut être réduite.
PCT/JP2017/010462 2017-03-15 2017-03-15 Machine de montage WO2018167880A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2017/010462 WO2018167880A1 (fr) 2017-03-15 2017-03-15 Machine de montage
JP2019505593A JP6801083B2 (ja) 2017-03-15 2017-03-15 装着機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/010462 WO2018167880A1 (fr) 2017-03-15 2017-03-15 Machine de montage

Publications (1)

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WO2018167880A1 true WO2018167880A1 (fr) 2018-09-20

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JP (1) JP6801083B2 (fr)
WO (1) WO2018167880A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024084547A1 (fr) * 2022-10-17 2024-04-25 株式会社Fuji Dispositif de mesure et machine de montage
WO2024089747A1 (fr) * 2022-10-24 2024-05-02 株式会社Fuji Machine de montage
WO2024116406A1 (fr) * 2022-12-02 2024-06-06 株式会社Fuji Appareil de montage de composant et procédé de détermination

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JPH0433314U (fr) * 1990-07-13 1992-03-18
JPH04364746A (ja) * 1991-06-12 1992-12-17 Tokyo Electron Yamanashi Kk プローブ装置
JPH1154573A (ja) * 1997-08-01 1999-02-26 Tokyo Cathode Kenkyusho:Kk クリーニング機能付きプローブカード検査装置
JP2003273174A (ja) * 2002-03-12 2003-09-26 Seiko Instruments Inc 半導体検査装置
JP2006237413A (ja) * 2005-02-28 2006-09-07 Seiko Instruments Inc プローブ針のクリーニング方法、これに用いるウエハおよびウエハプローバ装置
JP2007120961A (ja) * 2005-10-25 2007-05-17 Matsushita Electric Ind Co Ltd プローバー装置，プローブ触針クリーニング方法および半導体チップ検査装置ならびに半導体チップ検査方法
JP2007227840A (ja) * 2006-02-27 2007-09-06 Hitachi High-Tech De Technology Co Ltd プローブ針のクリーニング装置
JP2017027971A (ja) * 2015-07-15 2017-02-02 富士機械製造株式会社 検査装置

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Publication number Priority date Publication date Assignee Title
JP2587696Y2 (ja) * 1992-04-03 1998-12-24 株式会社ダイトー Ｉｃハンドラーのソケット清掃機構

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0433314U (fr) * 1990-07-13 1992-03-18
JPH04364746A (ja) * 1991-06-12 1992-12-17 Tokyo Electron Yamanashi Kk プローブ装置
JPH1154573A (ja) * 1997-08-01 1999-02-26 Tokyo Cathode Kenkyusho:Kk クリーニング機能付きプローブカード検査装置
JP2003273174A (ja) * 2002-03-12 2003-09-26 Seiko Instruments Inc 半導体検査装置
JP2006237413A (ja) * 2005-02-28 2006-09-07 Seiko Instruments Inc プローブ針のクリーニング方法、これに用いるウエハおよびウエハプローバ装置
JP2007120961A (ja) * 2005-10-25 2007-05-17 Matsushita Electric Ind Co Ltd プローバー装置，プローブ触針クリーニング方法および半導体チップ検査装置ならびに半導体チップ検査方法
JP2007227840A (ja) * 2006-02-27 2007-09-06 Hitachi High-Tech De Technology Co Ltd プローブ針のクリーニング装置
JP2017027971A (ja) * 2015-07-15 2017-02-02 富士機械製造株式会社 検査装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024084547A1 (fr) * 2022-10-17 2024-04-25 株式会社Fuji Dispositif de mesure et machine de montage
WO2024089747A1 (fr) * 2022-10-24 2024-05-02 株式会社Fuji Machine de montage
WO2024116406A1 (fr) * 2022-12-02 2024-06-06 株式会社Fuji Appareil de montage de composant et procédé de détermination

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JP6801083B2 (ja) 2020-12-16

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