WO2015162700A1 - 荷重測定方法および、回収方法 - Google Patents
荷重測定方法および、回収方法 Download PDFInfo
- Publication number
- WO2015162700A1 WO2015162700A1 PCT/JP2014/061315 JP2014061315W WO2015162700A1 WO 2015162700 A1 WO2015162700 A1 WO 2015162700A1 JP 2014061315 W JP2014061315 W JP 2014061315W WO 2015162700 A1 WO2015162700 A1 WO 2015162700A1
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- WIPO (PCT)
- Prior art keywords
- nozzle
- load
- suction
- suction nozzle
- pallet
- Prior art date
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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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
- G01L5/0076—Force sensors associated with manufacturing machines
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0408—Incorporating a pick-up tool
- H05K13/0409—Sucking devices
-
- 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
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/082—Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0408—Incorporating a pick-up tool
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0408—Incorporating a pick-up tool
- H05K13/041—Incorporating a pick-up tool having multiple pick-up tools
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/043—Feeding one by one by other means than belts
- H05K13/0434—Feeding one by one by other means than belts with containers
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0452—Mounting machines or lines comprising a plurality of tools for guiding different components to the same mounting place
-
- 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
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/087—Equipment tracking or labelling, e.g. tracking of nozzles, feeders or mounting heads
Definitions
- the present invention relates to a load measuring method for measuring a load generated when the suction pipe and the cylinder of the suction nozzle are moved relative to each other, and a recovery method for collecting the suction nozzle determined to be not normal based on the measured load.
- the suction nozzle sucks and holds the electronic component when the electronic component is mounted on the circuit board.
- the suction nozzle is a relatively movable suction tube and cylinder that reduce the load applied to the electronic component when the tip of the suction nozzle contacts the electronic component, or when the electronic component held by suction is mounted on the circuit board. And is composed of.
- nozzle load the load generated during the relative movement between the adsorption tube and the cylinder
- the following patent document describes an example of a load measuring method for measuring a nozzle load using a load sensor such as a load cell.
- the suction nozzle is normal, and the suction nozzle determined as not normal is put into a collection box or the like. Then, the suction nozzle is recovered from the recovery box, and repair or the like is performed. However, if the suction nozzle is randomly placed in the collection box, the suction nozzle may be unable to be repaired by being placed in the collection box.
- This invention is made
- the load measuring method described in the present application includes an adsorption tube for adsorbing and holding a component by air suction, and the adsorption tube inside with the tip of the adsorption tube protruding.
- the measuring method includes a moving step of moving the suction nozzle and the rigid body in a direction approaching with a preset set load in a state where the tip of the suction tube is in contact with the rigid body, and the suction in the moving step
- the suction nozzle and the load sensor are moved toward each other with the tip of the suction tube and the load sensor facing each other on the condition that the tube and the cylinder have moved relative to each other by the predetermined amount.
- the collection method described in the present application is a collection method for collecting the suction nozzle that is determined to be not normal based on the load measured by the load measurement method.
- the method includes a holding step of holding the suction nozzle in which the load extracted in the first load extraction step or the second load extraction step exceeds a preset allowable load with a holder, and an inclined surface
- the holding tool holding the suction nozzle in the holding step above the inclined surface of the collection box having a bottom surface constituted by a flat surface having no inclination continuous from the lower end of the inclined surface, A moving step of moving by a moving device; and after the holder has moved above the inclined surface in the moving step, the holder releases the suction nozzle. Characterized in that it comprises a withdrawal process.
- the rigid body is pressed against the tip of the adsorption tube. It is determined whether or not. Then, the nozzle load is measured using a load sensor with respect to the suction nozzle in which the suction pipe and the cylinder are relatively moved by pressing the rigid body. This makes it possible to measure the nozzle load using the load sensor only for the suction nozzle for which the relative movement between the suction pipe and the cylinder is confirmed, and the nozzle load can be appropriately adjusted without damaging the load sensor. It becomes possible to measure.
- the bottom surface of the collection box is configured by an inclined surface and a flat surface without an inclination that continues from the lower end of the inclined surface. Then, the suction nozzle determined to be not normal based on the load measured by the load measuring method is held by the holder, and the held suction nozzle is detached above the inclined surface of the bottom surface of the collection box. Is done. As a result, the suction nozzle falls onto the inclined surface, rolls down to the flat surface, and stays on the flat surface. For this reason, even when the suction nozzles are sequentially inserted into the collection box, the suction nozzles are separated above the inclined surface, so that the dropped suction nozzles are urged by the suction nozzles in the collection box. It can be prevented from colliding well. Thereby, it becomes possible to prevent suitably the damage of the nozzle by the collision of nozzles, and it becomes possible to collect
- FIG. 1 shows an electronic component mounting apparatus (hereinafter sometimes abbreviated as “mounting apparatus”) 10.
- the mounting apparatus 10 includes one system base 12 and two electronic component mounting machines (hereinafter, may be abbreviated as “mounting machines”) 14 adjacent on the system base 12.
- the direction in which the mounting machines 14 are arranged is referred to as the X-axis direction, and the horizontal direction perpendicular to the direction is referred to as the Y-axis direction.
- Each mounting machine 14 mainly includes a mounting machine main body 20, a transport device 22, a mounting head moving device (hereinafter also referred to as “moving device”) 24, a mounting head 26, a supply device 28, and a nozzle station 30. ing.
- the mounting machine main body 20 includes a frame portion 32 and a beam portion 34 that is overlaid on the frame portion 32.
- the transport device 22 includes two conveyor devices 40 and 42.
- the two conveyor devices 40 and 42 are disposed in the frame portion 32 so as to be parallel to each other and extend in the X-axis direction.
- Each of the two conveyor devices 40 and 42 conveys a circuit board supported by the conveyor devices 40 and 42 in the X-axis direction by an electromagnetic motor (not shown).
- the circuit board is fixedly held by a board holding device (not shown) at a predetermined position.
- the moving device 24 is an XY robot type moving device.
- the moving device 24 includes an electromagnetic motor (not shown) that slides the slider 50 in the X-axis direction and an electromagnetic motor (not shown) that slides in the Y-axis direction.
- the mounting head 26 is attached to the slider 50, and the mounting head 26 is moved to an arbitrary position on the frame portion 32 by the operation of the two electromagnetic motors 52 and 54.
- the mounting head 26 mounts electronic components on the circuit board. As shown in FIG. 2, the mounting head 26 has a plurality of rod-shaped mounting units 60, and suction nozzles 62 are mounted on the lower ends of the mounting units 60. As shown in FIG. 3, the suction nozzle 62 includes a body cylinder 64, a flange portion 66, a suction pipe 68, and a latch pin 70.
- the body cylinder 64 has a cylindrical shape, and the flange portion 66 is fixed so as to overhang the outer peripheral surface of the body cylinder 64.
- the suction pipe 68 has a thin pipe shape, and is held by the trunk cylinder 64 so as to be movable in the axial direction while extending downward from the lower end portion of the trunk cylinder 64. There are some suction nozzles 62 to which an elastic force is applied to the suction pipe 68 and those to which no suction force is applied.
- a suction spring 62 (not shown) is compressed between the suction pipe 68 and the body cylinder 64 in the suction nozzle 62 in which an elastic force is applied to the suction pipe 68.
- the tube 68 is urged in a direction extending downward from the lower end portion of the body cylinder 64 by the elastic force of the spring. That is, a force against the elastic force of the spring is applied to the tip of the suction tube 68, so that the suction tube 68 moves backward toward the inside of the body cylinder 64.
- a spring is not disposed between the suction tube 68 and the body cylinder 64 in the suction nozzle 62 to which no elastic force is applied to the suction tube 68.
- the suction nozzle 62 in which no spring is disposed between the suction pipe 68 and the body cylinder 64 is mounted on the tip of the mounting unit 60 in which a spring (not shown) is built.
- the spring built in the mounting unit 60 gives an elastic force to the suction pipe 68 of the suction nozzle 62 mounted on the mounting unit 60. Accordingly, the suction pipe 68 is urged in a direction extending downward from the lower end portion of the body cylinder 64 by the elastic force of the spring of the mounting unit 60. That is, even in the suction nozzle 62 in which no spring is disposed between the suction pipe 68 and the body cylinder 64, the spring is installed at the tip of the suction pipe 68 by being attached to the mounting unit 60 including the spring. By applying a force against the elastic force, the suction pipe 68 moves backward toward the inside of the trunk cylinder 64.
- the latch pin 70 of the suction nozzle 62 is provided at the upper end portion of the trunk cylinder 64 so as to extend in the radial direction of the trunk cylinder 64.
- the suction nozzle 62 is detachably attached to the lower end portion of the mounting unit 60 using the latch pin 70 with one touch. Since the attachment of the suction nozzle 62 to the mounting unit 60 using the latch pin 70 is a known technique, the description thereof is omitted.
- a notch 72 is formed on the outer edge of the flange portion 66, and a 2D code 74 is written on the upper surface of the flange portion 66.
- the suction pipe 68 of the suction nozzle 62 communicates with a positive / negative pressure supply device (not shown) via negative pressure air and positive pressure air passages. For this reason, the suction pipe 68 of the suction nozzle 62 sucks and holds the electronic component by a negative pressure at the tip, and releases the held electronic component by a positive pressure. As shown in FIG. 2, the rod-shaped mounting unit 60 is held on the outer peripheral portion of the unit holder 76 in a state where the axial direction is vertical at an equal angular pitch. Each suction nozzle 62 extends downward from the lower surface of the unit holder 76.
- the unit holder 76 is intermittently rotated by the holder rotating device 78 by an angle equal to the arrangement angle pitch of the mounting unit 60. Accordingly, the plurality of mounting units 60 are sequentially stopped at the lifting station which is one stop position of the mounting unit 60.
- the mounting unit 60 stopped at the lifting station is moved up and down by the unit lifting device 80.
- the mounting unit 60 stopped at the lifting station is rotated by the unit rotation device 82.
- the supply device 28 is a feeder-type supply device, and is disposed at the front end of the frame portion 32 as shown in FIG.
- the supply device 28 has a tape feeder 86.
- the tape feeder 86 accommodates the taped component in a wound state.
- the taped component is a taped electronic component.
- the tape feeder 86 sends out the taped parts by a delivery device (not shown).
- the feeder type supply device 28 supplies the electronic component at the supply position by feeding the taped component.
- the nozzle station 30 accommodates a plurality of suction nozzles 62 and has a nozzle tray 88.
- the nozzle tray 88 includes a base plate 90 and a cover plate 92, and the cover plate 92 is slidably disposed on the base plate 90.
- the base plate 90 and the cover plate 92 have substantially the same dimensions, and the 2D code 94 written at the end of the base plate 90 is exposed when the cover plate 92 slides with respect to the base plate 90.
- the 2D code 94 is covered by the cover plate 92 in a state where the base plate 90 and the cover plate 92 are entirely overlapped.
- the base plate 90 is formed with a plurality of mounting holes 96 as shown in FIG. 4 and FIG.
- the placement hole 96 is a step-shaped through hole, and the suction nozzle 62 can be placed thereon.
- the inner diameter of the stepped surface 98 of the stepped mounting hole 96 is slightly larger than the outer diameter of the flange portion 66 of the suction nozzle 62, and the suction nozzle 62 is formed on the stepped surface 98 as shown in FIG.
- the flange portion 66 is placed.
- a pin (see FIG. 5) 100 is erected on the step surface 98, and the notch 72 of the flange portion 66 engages with the pin 100.
- the mounting hole 96 includes a small-diameter mounting hole 96a and a large-diameter mounting hole 96b, and a small-diameter suction nozzle 62 is mounted in the small-diameter mounting hole 96a.
- a large suction nozzle 62 is placed in the diameter placement hole 96b.
- the cover plate 92 is also formed with a hole 102 corresponding to the plurality of mounting holes 96 of the base plate 90.
- the punched hole 102 includes a circular hole portion 104 and a slot portion 106.
- the circular hole portion 104 is circular and has an inner diameter slightly larger than the stepped surface 98 of the corresponding mounting hole 96.
- the slot portion 106 is a portion cut out at the edge of the circular hole portion 104, and is a cutout portion slightly larger than the outer diameter of the body cylinder 64 of the suction nozzle 62.
- the cover plate 92 is slid with respect to the base plate 90, so that a part of the mounting hole 96 is exposed through the hole 102 as shown in FIG. 5 and a state where the entire mounting hole 96 is exposed through the extraction hole 102 (hereinafter, also referred to as “totally exposed state”), as shown in FIG. Switching is possible.
- the center of the mounting hole 96 coincides with the center of the circular hole portion 104 of the extraction hole 102, and the stepped surface 98 of the mounting hole 96 is completely Exposed. For this reason, it is possible to place the suction nozzle 62 in the placement hole 96 or to take out the suction nozzle 62 from the placement hole 96 in the fully exposed state. That is, in the fully exposed state, the suction nozzle 62 can be accommodated in the nozzle tray 88 or the suction nozzle 62 can be taken out from the nozzle tray 88.
- the center of the mounting hole 96 and the center of the circular hole portion 104 of the extraction hole 102 do not coincide with each other, and the step surface 98 of the mounting hole 96 The part is covered with a cover plate 92.
- the suction nozzle 62 cannot be placed in the placement hole 96, or the suction nozzle 62 cannot be taken out from the placement hole 96. That is, in the partially exposed state, the suction nozzle 62 cannot be accommodated in the nozzle tray 88 or the suction nozzle 62 cannot be taken out from the nozzle tray 88.
- the center of the mounting hole 96 coincides with the center of the slot portion 106 of the extraction hole 102, and as shown in FIG. 7, the suction nozzle 62 mounted in the mounting hole 96.
- the body cylinder 64 extends from the slot portion 106 to above the cover plate 92.
- the cover plate 92 is slidable between the fully exposed state and the partially exposed state with respect to the base plate 90, and is urged by a spring (not shown) in a partially exposed state. . That is, normally, accommodation of the suction nozzle 62 in the nozzle tray 88 or removal of the suction nozzle 62 from the nozzle tray 88 is prohibited. However, the nozzle station 30 has a plate moving mechanism (not shown) that slides the cover plate 92 in the fully exposed direction against the elastic force of the spring. By sliding the cover plate 92, the suction nozzle 62 can be accommodated in the nozzle tray 88, or the suction nozzle 62 can be taken out from the nozzle tray 88.
- the nozzle tray 88 can be attached to and detached from the nozzle station 30, and the collection of the suction nozzle 62 accommodated in the nozzle station 30 and the replenishment of the suction nozzle 62 to the nozzle station 30 can be performed outside the mounting machine 14. Is possible.
- the mounting operation can be performed by the mounting head 26 on the circuit board held by the transport device 22 with the above-described configuration.
- the circuit board is transported to the work position according to a command from a control device (not shown) of the mounting machine 14, and is fixedly held by the board holding device at that position.
- the tape feeder 86 sends out the taped parts and supplies the electronic parts at the supply position in accordance with a command from the control device.
- the mounting head 26 moves above the electronic component supply position and sucks and holds the electronic component by the suction nozzle 62. Subsequently, the mounting head 26 moves above the circuit board and mounts the held electronic component on the circuit board.
- the suction nozzle 62 is changed according to the size and type of the electronic component. That is, for example, the suction nozzle 62 having a large diameter is used when sucking and holding a large electronic component, and the suction nozzle 62 having a small diameter is used when sucking and holding a small electronic component.
- the nozzle station 30 accommodates various suction nozzles 62 according to the type of circuit board to be manufactured. ing. Then, the suction nozzle 62 attached to the mounting unit 60 of the mounting head 26 and the suction nozzle 62 accommodated in the nozzle station 30 are exchanged as necessary. In addition, since replacement
- various suction nozzles 62 are accommodated in the nozzle station 30 depending on the type of circuit board to be manufactured. For this reason, for example, when the type of circuit board to be manufactured is changed, the nozzle tray 88 is removed from the nozzle station 30, and the suction nozzle 62 accommodated in the nozzle tray 88 is removed using the nozzle management device. Exchanged. Hereinafter, the nozzle management device will be described in detail.
- the nozzle management device 110 has a generally rectangular parallelepiped shape.
- the nozzle management device 110 accommodates the nozzle tray 88 in the nozzle management device 110 or takes out the nozzle tray 88 from the nozzle management device 110 at the front.
- a drawer 118 is provided above the drawer 118. Above the drawer 118, a panel 120 for displaying various information, an operation switch 122 for inputting information and the like are disposed.
- each nozzle management device 110 includes a pallet storage device 130, a tray storage device 132, a nozzle transfer device 134, a first nozzle inspection device 136, a second nozzle inspection device 138, and a nozzle cleaning device.
- 140. 9 is a perspective view showing the internal structure of the nozzle management device 110 from the viewpoint from the right front of the nozzle management device 110
- FIG. 10 shows the nozzle management device 110 from the viewpoint from the left front of the nozzle management device 110. It is a perspective view which shows the internal structure of.
- the pallet accommodation device 130 accommodates the nozzle pallet 152 shown in FIG. Similarly to the nozzle tray 88, the nozzle pallet 152 includes a base plate 154 and a cover plate 156.
- the cover plate 156 is slidably disposed on the base plate 154.
- the base plate 154 and the cover plate 156 have substantially the same dimensions.
- the cover plate 156 slides with respect to the base plate 154, the 2D code 157 written on the end of the base plate 154 is exposed.
- the 2D code 157 is covered with the cover plate 156 in a state where the base plate 154 and the cover plate 156 are entirely overlapped.
- a reference nozzle 172 and a reference pipe 174 are disposed at the corner of the base plate 154.
- the reference nozzle 172 and the reference pipe 174 pass through the base plate 154, and lower ends of the reference nozzle 172 and the reference pipe 174 extend below the base plate 154.
- a notch 176 is formed at the corner of the cover plate 156, and even if the base plate 154 and the cover plate 156 are entirely overlapped, the reference nozzle 172 and the reference pipe 174 are Exposed.
- a plurality of mounting holes 158 are formed in the base plate 154, and the plurality of mounting holes 158 include a mounting hole 158a having a small diameter and a mounting hole 158b having a large diameter.
- the small-diameter placement hole 158a has the same shape as the small-diameter placement hole 96a of the nozzle tray 88, and the suction nozzle 62 that can be placed in the placement hole 96a is placed thereon.
- the large-diameter mounting hole 158 b has substantially the same shape as the large-diameter mounting hole 96 b of the nozzle tray 88, but as shown in FIG. 11 and FIG. It is a stepped hole having two step surfaces 160 and 162.
- the inner diameter of the first step surface 160 is the same as the inner diameter of the large-diameter placement hole 96b of the nozzle tray 88. As shown in FIG. 13, the suction nozzle 62 that can be placed in the placement hole 96b is placed. Is done.
- the inner diameter of the second step surface 162 is smaller than the inner diameter of the first step surface 160, and as shown in FIG. 14, the suction having a size smaller than the suction nozzle 62 that can be placed on the first step surface 160.
- a nozzle 62 is placed.
- a pin (see FIG. 12) 164 is also erected on each of the step surfaces 160 and 162 and engages with the notch 72 of the flange 66 of the suction nozzle 62.
- the cover plate 156 is also formed with a hole 166 corresponding to the plurality of mounting holes 158 of the base plate 154.
- the punched hole 166 has the same shape as the punched hole 102 of the nozzle tray 88, and includes a circular hole part 168 and a slot part 170. Therefore, similarly to the nozzle tray 88, the nozzle pallet 152 can be switched between a partially exposed state and a fully exposed state.
- the stepped surface 160 of the placement hole 158 is completely exposed, and the suction nozzle 62 is placed in the placement hole 158, or the placement hole 158 is placed. It is possible to take out the suction nozzle 62 from the nozzle.
- the partially exposed state as shown in FIG. 11, a part of the stepped surface 160 and the like of the mounting hole 158 is covered with the cover plate 156, and the suction nozzle 62 is mounted in the mounting hole 158. Or, the suction nozzle 62 cannot be taken out from the mounting hole 158.
- the body cylinder 64 of the suction nozzle 62 placed in the placement hole 158 extends from the slot portion 170 to above the cover plate 156. Yes.
- the cover plate 156 is slidable between the fully exposed state and the partially exposed state with respect to the base plate 154, and is urged by a spring (not shown) in a direction in which it is partially exposed. . For this reason, it is normally prohibited to house the suction nozzle 62 in the nozzle pallet 152 or to remove the suction nozzle 62 from the nozzle pallet 152. However, as with the nozzle tray 88, the cover plate 156 is slid in the fully exposed state against the elastic force of the spring, so that the suction nozzle 62 is accommodated in the nozzle pallet 152 or the nozzle pallet. The suction nozzle 62 can be taken out from 152.
- the pallet accommodation device 130 is a device that accommodates the nozzle pallet 152 having the above structure. As shown in FIGS. 9 and 10, the pallet accommodating device 130 includes a plurality of pallet carriers 180 and a carrier circulation mechanism 182.
- the pallet carrier 180 has a channel shape, that is, a shape having a U-shaped cross section, and the channel-shaped opening is disposed in a state where the channel-shaped opening faces downward.
- a rail 183 is formed on the inner side surface of the pallet carrier 180, and the nozzle pallet 152 is held by the rail 183.
- the nozzle pallet 152 is held by the pallet carrier 180 by being inserted from the front of the pallet carrier 180, and is taken out from the pallet carrier 180 by pulling the nozzle pallet 152 forward.
- the carrier circulation mechanism 182 has a pair of sprocket shafts 184, and the pair of sprocket shafts 184 are vertically arranged in a state of extending in the front-rear direction.
- Sprockets 186 are attached to both ends of each sprocket shaft 184.
- the sprockets 186 at the front ends of the pair of sprocket shafts 184 are connected by a chain 188, and the sprockets 186 at the rear ends of the pair of sprocket shafts 184 are connected by a chain 190.
- a plurality of brackets 192 are attached to the chains 188 and 190, and each bracket 192 extends outward in a state perpendicular to the chains 188 and 190.
- the bracket 192 attached to the chain 188 and the bracket 192 attached to the chain 190 support the pallet carrier 180 in a swingable manner at the respective leading ends.
- the sprocket shaft 184 rotates in a controllable manner by driving an electromagnetic motor (not shown).
- the tray storage device 132 is a device that stores the nozzle tray 88 and is disposed in front of the pallet storage device 130.
- the tray accommodating device 132 has a plurality of tray carriers 200 and a carrier circulation mechanism 202. Similar to the pallet carrier 180, the tray carrier 200 has a channel shape and is disposed with the channel-shaped opening facing downward. Further, the tray carrier 200 holds the nozzle tray 88 by rails 204 formed on the inner side surface. The nozzle tray 88 is held by the tray carrier 200 by being inserted from the front of the tray carrier 200, and is taken out from the tray carrier 200 by pulling the nozzle tray 88 to the front.
- the carrier circulation mechanism 202 has a sprocket shaft, a sprocket, a chain, a bracket (reference numeral omitted), etc., like the carrier circulation mechanism 182, and operates in the same manner as the carrier circulation mechanism 182. Therefore, the plurality of tray carriers 200, that is, the nozzle trays 88 held by the tray carrier 200 circulate in the vertical direction inside the nozzle management device 110 by the carrier circulation mechanism 202. Since the tray carrier 200 is always maintained with the channel-shaped opening facing downward during circulation, the nozzle tray 88 held by the tray carrier 200 always circulates in a horizontal state. .
- the nozzle transfer device 134 is a device for transferring the suction nozzle 62 between the nozzle tray 88 and the nozzle pallet 152, and as shown in FIG. 205 is disposed.
- the nozzle transfer device 134 has a transfer head 206 and a head moving device 207.
- a camera 208 facing downward and a holding chuck (see FIGS. 9 and 10) 209 for holding the suction nozzle 62 are attached to the lower end surface of the transfer head 206.
- the head moving device 207 is an XYZ type moving device that moves the transfer head 206 in the front-rear direction, the left-right direction, and the up-down direction on the table 205.
- the head moving device 207 includes a rotation mechanism (not shown) for rotating the holding chuck 209 about its axis, and can rotate the suction nozzle 62 held by the holding chuck 209. .
- the table 205 in the drawer 118 is provided with a fixed stage 210 for setting the nozzle tray 88 and a movable stage 212.
- the fixed stage 210 is fixed to the table 205.
- the movable stage 212 is slid back and forth by the stage moving mechanism 214.
- the stage moving mechanism 214 has a rail 216 disposed on the table 205 so as to extend in the front-rear direction, and slides the movable stage 212 along the rail 216 in a controllable manner.
- the rear end of the rail 216 is connected to the rail 204 of the tray carrier 200 circulated to a predetermined position by the carrier circulation mechanism 202. Therefore, by sliding the movable stage 212, the nozzle tray 88 set on the movable stage 212 is stored in the tray carrier 200, and the nozzle tray 88 stored in the tray carrier 200 is set on the movable stage 212. It is possible.
- the fixed stage 210 and the movable stage 212 are provided with a plate moving mechanism (not shown) for moving the cover plate 92 in a direction in which it is fully exposed with respect to the set nozzle tray 88. .
- a plate moving mechanism (not shown) for moving the cover plate 92 in a direction in which it is fully exposed with respect to the set nozzle tray 88.
- the nozzle tray 88 set on the fixed stage 210 is shown.
- the table 205 in the drawer 118 has a position where the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and a position where the suction nozzle 62 can be transferred by the nozzle transfer device 134 (hereinafter referred to as “nozzle transfer”).
- a first pallet moving mechanism 218 for moving the nozzle pallet 152 is disposed between the first pallet moving mechanism 218 and the mounting position.
- the first pallet moving mechanism 218 has a rail 219 disposed on the table 205 so as to extend in the front-rear direction, and slides the nozzle pallet 152 along the rail 219 in a controllable manner.
- the rear end of the rail 219 is connected to the rail 183 of the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182. For this reason, the nozzle pallet 152 can be moved between the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and the nozzle transfer position. In the figure, the nozzle pallet 152 moved to the nozzle transfer position is shown.
- a placement plate 220 is disposed on the front side of the nozzle pallet 152 moved to the nozzle transfer position.
- a plurality of mounting holes 221 having the same shape as the mounting holes 158 formed in the base plate 154 of the nozzle pallet 152 are formed in the mounting plate 220. Similar to the mounting hole 158, the mounting holes 221 include a mounting hole 221 having a large diameter and a mounting hole 221 having a small diameter, and suction nozzles 62 of various sizes can be mounted. It is.
- a disposal box 222 is disposed at the front end of the table 205 in the drawer 118.
- the disposal box 222 is partitioned into four spaces, and the suction nozzles 62 that are determined to be abnormal, that is, defective nozzles, are discarded in the four spaces.
- a buffer sheet 223 is disposed on the bottom surface of each disposal box 222 as shown in FIG.
- the buffer sheet 223 is formed of a cushion material and covers the entire bottom surface of the disposal box 222.
- the buffer sheet 223 includes a first inclined portion 224, a flat surface portion 225, and a second inclined portion 226. As shown in FIG.
- the first inclined portion 224 is an inclined surface that is located at the inner end of the drawer 118 in the disposal box 222 and descends toward the outside of the drawer 118.
- the second inclined portion 226 is an inclined surface that is located at the end on the opposite side of the first inclined portion 224 and descends toward the first inclined portion 224.
- the plane portion 225 is a plane that is continuous with the lower end portion of the first inclined portion 224 and the lower end portion of the second inclined portion 226.
- a blow device 227 is disposed next to the nozzle pallet 152 moved to the nozzle transfer position.
- the blower 227 performs drying of the suction nozzle 62.
- the blower 227 has a cylindrical main body 228, an air ejection hole 229 formed on a side surface of the main body 228, and an air ejection hole 229. And an air ejection device (not shown) connected to the.
- the first nozzle inspection device 136 includes an inspection of the tip of the suction nozzle 62, that is, the state of the suction pipe 68 (hereinafter sometimes abbreviated as “tip inspection”), and a suction nozzle. Inspection of force necessary for retracting the distal end portion of 62, that is, force necessary for retracting the suction pipe 68 toward the inside of the body cylinder 64 (hereinafter sometimes abbreviated as “retraction force inspection”) And is disposed below the nozzle transfer device 134.
- the first nozzle inspection device 136 has an inspection unit 230 and a unit moving device 232 as shown in FIG.
- the inspection unit 230 includes a base 234, a camera device 236, and a load measuring device 238.
- the camera device 236 is disposed on the base 234 in a state of facing upward.
- the load measuring device 238 includes a load cell 240 and a pressing metal 242, and the load cell 240 and the pressing metal 242 are arranged on the base 234.
- the unit moving device 232 includes a fixed beam 250, a movable beam 252, a first slider 254, and a second slider 256.
- the fixed beam 250 is disposed on the casing of the nozzle management device 110 so as to extend in the front-rear direction.
- the movable beam 252 is supported by the fixed beam 250 so as to extend in the left-right direction, and is slidable in the front-rear direction.
- the movable beam 252 moves to an arbitrary position in the front-rear direction by the operation of the first moving mechanism 258.
- the first slider 254 is supported by the movable beam 252 so as to be slidable in the left-right direction, and is moved to an arbitrary position in the left-right direction by the operation of the second moving mechanism 260.
- the second slider 256 is supported by the first slider 254 so as to be slidable in the vertical direction, and is moved to an arbitrary position in the vertical direction by the operation of the third moving mechanism 262.
- a base 234 of the inspection unit 230 is fixed to the upper end of the second slider 256.
- the unit moving device 232 functions as an XYZ type moving device that moves the inspection unit 230 to any position in the vertical, horizontal, and front-rear directions.
- a second pallet moving mechanism 266 is disposed above the first nozzle inspection device 136.
- the second pallet moving mechanism 266 has a pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and a position where the front end inspection and the backward force inspection can be performed by the first nozzle inspection device 136 (hereinafter, “ The nozzle pallet 152 is moved between the first inspection position and the first inspection position.
- the second pallet moving mechanism 266 has a rail 268 disposed so as to extend in the front-rear direction, and slides the nozzle pallet 152 along the rail 268 in a controllable manner.
- the rear end of the rail 268 is connected to the rail 183 of the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182. Therefore, the nozzle pallet 152 can be moved between the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and the first inspection position. In the figure, the nozzle pallet 152 moved to the first inspection position is shown.
- (E) Second nozzle inspection device The second nozzle inspection device 138 inspects the flow rate of the air flowing through the suction nozzle 62 (hereinafter sometimes abbreviated as “air flow rate inspection”), and the flange portion 66 of the suction nozzle 62. Is a device that performs the reading inspection of the 2D code 74 described below (hereinafter, may be abbreviated as “code reading inspection”), and is disposed below the first nozzle inspection device 136.
- the second nozzle inspection device 138 has an inspection head 270 and a head moving device 272 as shown in FIG.
- the inspection head 270 includes a camera 274 and an air supply device 276.
- the camera 274 is attached to the lower end portion of the inspection head 270 while facing downward.
- the air supply device 276 includes an air joint 278, an air pressure sensor 280, and a joint elevating mechanism 282.
- the air joint 278 is connected to the body cylinder 64 of the suction nozzle 62 when the air flow rate test is executed, and air is supplied to the suction nozzle 62 via the air joint 278 when the air flow rate test is executed.
- the air pressure sensor 280 is provided at the upper end of the air joint 278 and measures the air pressure supplied to the suction nozzle 62.
- the joint elevating mechanism 282 elevates and lowers the air joint 278 together with the air pressure sensor 280.
- the head moving device 272 has a movable beam 284 and a slider 286.
- the movable beam 284 is supported so as to extend in the left-right direction by the fixed beam 250 of the first nozzle inspection device 136 described above, and can slide in the front-rear direction.
- the movable beam 284 moves to an arbitrary position in the front-rear direction by the operation of the first moving mechanism 288.
- the slider 286 is supported by the movable beam 284 so as to be slidable in the left-right direction, and is moved to an arbitrary position in the left-right direction by the operation of the second moving mechanism 290.
- An inspection head 270 is fixed to the side surface of the slider 286.
- the head moving device 272 functions as an XY type moving device that moves the inspection head 270 to an arbitrary position in the vertical and horizontal directions.
- a third pallet moving mechanism 296 is disposed below the second nozzle inspection device 138.
- the third pallet moving mechanism 296 has a pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and a position where the second nozzle inspection device 138 can perform an air flow rate inspection and a code reading inspection (hereinafter, “ This is a mechanism for moving the nozzle pallet 152 between the second inspection position and the second inspection position.
- the third pallet moving mechanism 296 has a rail 298 disposed so as to extend in the front-rear direction, and slides the nozzle pallet 152 along the rail 298 in a controllable manner.
- the rear end of the rail 298 is connected to the rail 183 of the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182. For this reason, the nozzle pallet 152 can be moved between the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and the second inspection position. In the figure, the nozzle pallet 152 moved to the second inspection position is shown.
- the nozzle cleaning device 140 is a device for cleaning and drying the suction nozzle 62, and is disposed below the second nozzle inspection device 138. As shown in FIG. 20, the nozzle cleaning device 140 has a housing 300, and the suction nozzle 62 is cleaned and dried in the housing 300. In order to explain the structure of the nozzle cleaning device 140, the nozzle cleaning device 140 excluding the housing 300 is shown in FIG.
- the nozzle cleaning device 140 has a nozzle cleaning mechanism 302 and a nozzle drying mechanism 304 as shown in FIG.
- the nozzle cleaning mechanism 302 includes an upper cleaning unit 306 and a lower cleaning unit 308.
- the upper cleaning unit 306 and the lower cleaning unit 308 have substantially the same structure, and are disposed so as to face each other in the vertical direction.
- Each unit 306, 308 has a support frame 310, an injection nozzle 312, and an injection nozzle moving mechanism 314.
- the support frame 310a of the upper cleaning unit 306 is fixed to the upper surface of the housing 300, and the support frame 310b of the lower cleaning unit 308 is fixed to the lower surface in the housing 300.
- the injection nozzle 312a of the upper cleaning unit 306 is disposed at the upper end portion in the housing 300 so as to extend in the left-right direction, and is supported by the support frame 310a so as to be slidable in the front-rear direction via the upper surface of the housing 300. ing.
- the spray nozzle 312a slides controllably in the front-rear direction by the spray nozzle moving mechanism 314a of the upper cleaning unit 306.
- the injection nozzle 312b of the lower cleaning unit 308 is disposed at the lower end of the housing 300 so as to extend in the left-right direction, and is supported by the support frame 310b so as to be slidable in the front-rear direction via the lower surface of the housing 300. ing.
- the spray nozzle 312b is slidably controllable in the front-rear direction by the spray nozzle moving mechanism 314b of the lower cleaning unit 308.
- a plurality of injection holes (not shown) are formed on the lower surface of the injection nozzle 312a, and a plurality of injection holes 316 are formed on the upper surface of the injection nozzle 312b.
- the nozzle drying mechanism 304 is disposed behind the nozzle cleaning mechanism 302 and has a plurality of blower tubes 320.
- the plurality of air ducts 320 are disposed on the upper and lower surfaces of the housing 300 so as to extend in the left-right direction.
- the blower pipe 320 is connected to a blower (not shown) via a heater (not shown), and warm air is blown into the blower pipe 320.
- the blower tube 320 has a plurality of blower holes (not shown) formed in the attachment portion to the housing 300, and through holes are formed on the upper and lower surfaces of the housing 300 corresponding to the blower holes. ing. Thereby, warm air is blown into the housing 300 by the nozzle drying mechanism 304.
- a fourth pallet moving mechanism 330 is disposed in the housing 300.
- the fourth pallet moving mechanism 330 has a position where the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and the position where the suction nozzle 62 can be cleaned by the nozzle cleaning mechanism 302 (hereinafter referred to as “cleaning position”).
- This is a mechanism for moving the nozzle pallet 152.
- the fourth pallet moving mechanism 330 includes a rail 332 disposed on the inner wall surface of the housing 300 so as to extend in the front-rear direction, and the nozzle pallet 152 is slidably controllable along the rail 332. .
- the front end portion of the rail 332 is located between the upper cleaning unit 306 and the lower cleaning unit 308.
- the rear end of the rail 332 is connected to the rail 183 of the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182. Therefore, the nozzle pallet 152 can be moved between the pallet carrier 180 circulated to a predetermined position by the carrier circulation mechanism 182 and the cleaning position. In the figure, the nozzle pallet 152 moved to the cleaning position is shown.
- the bottom surface of the housing 300 functions as a water storage tank, and the cleaning water stored in the bottom surface of the housing 300 is circulated and supplied to the injection nozzles 312 of the upper cleaning unit 306 and the lower cleaning unit 308.
- cleaning water 338 is stored on the bottom surface of the housing 300, and one end of the drainage channel 340 is opened on the bottom surface.
- the drainage channel 340 extends downward, and the drainage channel 340 is provided with a filter 342 for removing impurities.
- the cleaning water 338 stored on the bottom surface of the housing 300 flows into the drainage channel 340, and impurities are removed by the filter 342.
- the cleaning water 338 flows due to gravity, there is no need to provide a pump or the like for flowing the cleaning water 338 from the bottom surface of the housing 300.
- the cleaning water 338 from which impurities have been removed is sent to the pressurizing pump 344 and sent out to the water supply channel 346 by the pressurizing pump 344.
- the water supply path 346 is connected to the spray nozzles 312 of the upper cleaning unit 306 and the lower cleaning unit 308, and the cleaning water 338 is ejected from the spray nozzle 312.
- a partition plate 348 is disposed between the lower cleaning unit 308 and the cleaning water 338 stored on the bottom surface of the housing 300.
- the partition plate 348 is disposed in an inclined state, and a sheet-like sponge 350 is fixed to the upper surface of the partition plate 348. For this reason, the cleaning water 338 ejected from the ejection nozzle 312 falls on the partition plate 348.
- the cleaning water 338 is circulated.
- the partition plate 348 disposed below the lower cleaning unit 308 extends to the lower side of the nozzle drying mechanism 304.
- the suction nozzle 62 mounted on the nozzle tray 88 is stored in the nozzle management device 110, the suction nozzle 62 is inspected by the first nozzle inspection device 136, and the second nozzle inspection device 138 is used.
- the suction nozzle 62 inspection work, the suction nozzle 62 cleaning / drying work, the inspection work, the mounting work of the suction nozzle 62 completed on the cleaning / drying work on the nozzle tray 88, and the defective nozzle discarding work are performed.
- movement aspect of the nozzle management apparatus 110 at the time of each work execution is demonstrated.
- the operator holds the nozzle tray 88 on which the suction nozzle 62 is mounted as shown in FIG. , Set to the fixed stage 210 or the movable stage 212 in the drawer 118 of the nozzle management device 110.
- the operator may set the nozzle tray 88 on the movable stage 212.
- the nozzle tray 88 accommodated in the tray carrier 200 is moved to the stage.
- the mechanism 214 may be set on the movable stage 212.
- the pallet carrier 180 that houses the nozzle pallet 152 on which the suction nozzle 62 can be mounted is moved to a position corresponding to the first pallet moving mechanism 218 by the operation of the carrier circulation mechanism 182.
- the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the nozzle transfer position by the operation of the first pallet moving mechanism 218.
- the nozzle pallet 152 moved to the nozzle transfer position and the nozzle tray 88 set on the fixed stage 210 or the movable stage 212 are fully exposed by the plate moving mechanism.
- the transfer head 206 is moved above the nozzle tray 88 and the nozzle pallet 152 by the operation of the head moving device 207, and the 2D codes 94 and 157 of the nozzle tray 88 and the nozzle pallet 152 are replaced by the camera 208. Is imaged. Thereby, the unique information such as the ID number of the nozzle tray 88 and the nozzle pallet 152 is obtained.
- the transfer head 206 is moved above the nozzle tray 88 by the operation of the head moving device 207, and the 2D code 74 of the suction nozzle 62 to be transferred is imaged by the camera 208. Thereby, unique information such as the ID number of the suction nozzle 62 to be transferred is obtained. Then, the suction nozzle 62 to be transferred is held by the holding chuck 209.
- the transfer head 206 When the suction nozzle 62 to be transferred is held by the holding chuck 209, the transfer head 206 is moved and held above the nozzle pallet 152 to which the suction nozzle 62 is transferred by the operation of the head moving device 207. The suction nozzle 62 thus placed is placed in the placement hole 158 of the nozzle pallet 152. As a result, the suction nozzle 62 is transferred from the nozzle tray 88 to the nozzle pallet 152. At the time of transfer of the suction nozzle 62, the ID number of the transfer destination nozzle pallet 152, the ID number of the transferred suction nozzle 62, and the transfer position of the transfer destination nozzle pallet 152 are stored in association with each other. The
- the placement holes 158 of the transfer destination nozzle pallet 152 are not empty, that is, the suction nozzles 62 are placed in all the placement holes 158.
- the holding chuck 209 holding the suction nozzle 62 is moved above the placement plate 220 by the operation of the head moving device 207, and the suction nozzle 62 is temporarily placed in the placement hole 221 of the placement plate 220. Is done.
- the nozzle pallet 152 is accommodated in the pallet carrier 180 by the operation of the first pallet moving mechanism 218. Thereby, the storing operation of the suction nozzle 62 in the nozzle management device 110 is completed.
- the nozzle tray 88 that has been emptied by the transfer of the suction nozzle 62 to the nozzle pallet 152 is collected by the operator from the fixed stage 210 or the movable stage 212.
- the nozzle tray 88 that has become empty due to the transfer of the suction nozzle 62 to the nozzle pallet 152 is replaced with the tray carrier by the operation of the stage moving mechanism 214. 200 can be accommodated.
- the suction nozzle inspection work by the first nozzle inspection device In the inspection work of the suction nozzle 62, when the tip inspection is performed by the first nozzle inspection device 136, the carrier circulation mechanism 182 is operated to perform a predetermined operation.
- the pallet carrier 180 that accommodates the nozzle pallet 152 moves to a position corresponding to the second pallet moving mechanism 266 as shown in FIG.
- the predetermined nozzle pallet 152 accommodates the suction nozzle 62 to be inspected.
- the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the first inspection position by the operation of the second pallet moving mechanism 266.
- the camera device 236 of the inspection unit 230 is moved below the suction nozzle 62 to be inspected by the unit moving device 232, and the suction pipe 68 of the suction nozzle 62 to be inspected is imaged by the camera device 236.
- imaging data of the suction pipe 68 of the suction nozzle 62 is obtained, and the state of the suction pipe 68 is inspected based on the imaging data.
- abnormalities such as bending of the adsorption tube 68, chipping of the tip, and crushing of the tip are found by inspection based on the imaging data, the first nozzle inspection device 136 is verified.
- the camera device 236 is moved below the reference pipe 174 of the nozzle pallet 152 by the unit moving device 232, and the reference pipe 174 is moved. The image is taken by the camera device 236. Then, based on the imaging data, the state of the reference pipe 174 is inspected. If the normal suction pipe 68 is attached to the lower end portion of the reference pipe 174 and the first nozzle inspection device 136 is normal, the suction of the reference pipe 174 is naturally performed in the inspection based on the imaging data of the reference pipe 174. Tube 68 is determined to be normal.
- the suction pipe 68 is found by the inspection based on the imaging data of the suction nozzle 62 to be inspected, and when the suction pipe 68 is determined to be normal by the inspection based on the imaging data of the reference pipe 174.
- the occurrence of an abnormality in the suction pipe 68 of the suction nozzle 62 to be inspected is confirmed, and the suction nozzle 62 to be inspected is recognized as a defective nozzle.
- an abnormality in the suction pipe 68 is found by inspection based on the imaging data of the suction nozzle 62 to be inspected, and further, it is determined that the suction pipe 68 is abnormal by inspection based on the imaging data of the reference pipe 174.
- the first nozzle inspection device 136 is regarded as unable to perform a normal inspection, and the suction nozzle 62 to be inspected is not recognized as a defective nozzle.
- the tip of the suction pipe 68 of the suction nozzle 62 is brought into contact with the load cell 240, and the suction pipe 68 of the suction nozzle 62 is connected to the body cylinder 64.
- the load cell 240 is moved so as to move backward toward the inside.
- the load detected by the load cell 240 is a load generated when the body cylinder 64 and the suction pipe 68 are moved relative to each other, and is a retracting force of the suction pipe 68 into the body cylinder 64. Since this load is relatively small, a load cell 240 having a high sensitivity is employed. However, if the body cylinder 64 and the suction pipe 68 do not move relative to each other, the load cell 240 may be damaged.
- impurities or the like may enter the suction nozzle 62, and the body cylinder 64 and the suction pipe 68 may hardly move relative to each other due to the fixation between the body cylinder 64 and the suction pipe 68.
- the suction nozzle 62 is pressed against the load cell 240 having a measurement range of 0 to 100 gf
- the body cylinder 64 and the suction pipe 68 hardly move relative to each other, so that the load for moving the load cell 240 is 100 gf or more.
- a load of 100 gf or more is applied to the load cell 240, and the load cell 240 may be damaged.
- the state of relative movement between the body tube 64 of the suction nozzle 62 and the suction tube 68 is confirmed using the pressing metal 242, and the body tube 64 and the suction tube are sucked.
- a reverse force test using the load cell 240 is performed on the suction nozzle 62 in a favorable relative movement state with respect to the pipe 68.
- the pressing metal fitting 242 disposed on the inspection unit 230 is moved below the suction nozzle 62 to be inspected by the unit moving device 232, and hits the lower end portion of the suction pipe 68 of the suction nozzle 62.
- the inspection unit 230 moves upward so as to come into contact.
- the inspection unit 230 moves upward so that the suction tube 68 of the suction nozzle 62 moves backward toward the inside of the body cylinder 64.
- the inspection unit 230 can be moved upward with a somewhat large load.
- the fuselage cylinder 64 and the suction pipe 68 are fixed, and in order to prevent damage to the suction nozzle 62 when they do not move relative to each other, the load when the inspection unit 230 is moved upward is applied to the suction nozzle 62. It is set to a value smaller than the load at which the suction nozzle 62 is damaged when pressed in the axial direction.
- the suction nozzle 62 that is determined to be in a good relative movement state between the body cylinder 64 and the suction pipe 68 by using the pressing metal 242 is measured by the load cell 240 for the backward force.
- the suction nozzle 62 that has been determined that the state of relative movement between the body cylinder 64 and the suction pipe 68 is not good does not perform the measurement of the backward force using the load cell 240.
- the load Impurities may be removed by loading. That is, the suction nozzle 62 in which the body cylinder 64 and the suction pipe 68 hardly move relative to each other can be relatively moved and repaired by a load.
- a load cell 240 disposed on the inspection unit 230 is provided below the suction nozzle 62.
- the inspection unit 230 moves upward so as to move by the moving device 232 and come into contact with the lower end of the suction pipe 68 of the suction nozzle 62.
- the suction tube 68 of the suction nozzle 62 is retracted toward the inside of the body cylinder 64, the retracting force of the suction tube 68 is measured by the load cell 240.
- the suction nozzle 62 includes a suction nozzle with a built-in spring (hereinafter sometimes referred to as “spring built-in nozzle”) and a suction nozzle with no built-in spring (hereinafter referred to as “spring”).
- spring built-in nozzle a suction nozzle with a built-in spring
- spring no built-in spring
- the nozzle with a built-in spring and the nozzle without a spring measure the backward force by different methods.
- FIG. 23 shows the amount and the measured value of the load cell 240 when retreating, that is, the change in load.
- the graph indicated by the solid line in the drawing is sometimes referred to as a suction nozzle (hereinafter referred to as a “defective nozzle”) in which the suction pipe 68 is difficult to move back toward the inside of the body cylinder 64 due to foreign matter contamination, damage, or the like.
- the time change of the measured value of the load cell 240 with respect to a certain) is shown.
- the graph indicated by the dotted line shows the measurement value of the load cell 240 with respect to the suction nozzle (hereinafter sometimes referred to as “normal nozzle”) in which the suction pipe 68 is normally retracted toward the inside of the body cylinder 64. It shows a change.
- the measured value of the load cell 240 increases rapidly.
- the measured value of the load cell 240 at this time decreases after being significantly increased and converges to a substantially constant value. This is because a large load is applied to the load cell 240 when the load cell 240 collides with the adsorption tube 68 because an elastic force is applied to the adsorption tube 68 of the spring built-in nozzle.
- Such a load at the time of a collision is significantly larger than a load generated when the suction pipe 68 actually retreats, and therefore it is not preferable to include it in the measurement value to be determined.
- the timing at which the measured value of the load cell 240 exceeds a preset value is monitored.
- This set value is set to a value smaller than the load necessary for retracting the suction pipe 68 of the normal nozzle into the body cylinder 64.
- extraction of the measured value is started. Specifically, measurement values are extracted continuously for a predetermined time. Then, the average value is calculated by removing the maximum load and the minimum load from the extracted load.
- the measurement value extraction continued for a predetermined time is executed N times until the suction pipe 68 moves backward by the first set amount into the body cylinder 64. That is, N average values of the extracted loads are calculated. Then, it is determined whether or not the maximum calculated value among the N calculated values exceeds the allowable value. As a result of the determination, if the maximum calculated value exceeds the allowable value, it is determined that the spring built-in nozzle to be inspected is a defective nozzle, and if the maximum calculated value is less than the allowable value, the inspection target It is determined that the nozzle with a built-in spring is a normal nozzle.
- FIG. 24 shows measured values of the load cell 240, that is, changes in load.
- a graph indicated by a solid line in the figure shows a temporal change in the measurement value of the load cell 240 for the defective nozzle, and a graph indicated by a dotted line shows a temporal change in the measurement value of the load cell 240 for the normal nozzle. .
- the measurement value extraction method for the springless nozzle is the same as the measurement value extraction method for the spring built-in nozzle. Then, based on the extracted measurement value, an average value of N loads is calculated in the same manner as the nozzle with a built-in spring, and whether or not the maximum calculated value among the N calculated values exceeds the allowable value. Is determined. As a result, it is possible to appropriately inspect the retracting force of the suction pipe 68 even in the springless nozzle.
- the nozzle pallet 152 is accommodated in the pallet carrier 180 by the operation of the second pallet moving mechanism 266.
- the result of the inspection work is stored in association with the ID number of the suction nozzle 62 to be inspected.
- (C) Adsorption nozzle inspection operation by the second nozzle inspection device In the inspection operation of the adsorption nozzle 62, when the air flow rate inspection is performed by the second nozzle inspection device 138, the carrier circulation mechanism 182 is operated to perform a predetermined operation.
- the pallet carrier 180 that accommodates the nozzle pallet 152 moves to a position corresponding to the third pallet moving mechanism 296 as shown in FIG.
- the predetermined nozzle pallet 152 accommodates the suction nozzle 62 to be inspected.
- the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the second inspection position by the operation of the third pallet moving mechanism 296.
- the air supply device 276 of the inspection head 270 is moved above the suction nozzle 62 to be inspected by the head moving device 272.
- the air supply device 276 lowers the air joint 278 by the joint lifting mechanism 282 and connects it to the body cylinder 64 of the suction nozzle 62 to be inspected.
- the air supply device 276 supplies air to the connected body cylinder 64.
- the air pressure at the time of air supply is measured by the air pressure sensor 280, and it is determined whether or not the air pressure is larger than the first threshold pressure.
- the suction nozzle 62 When air is supplied to the normal suction nozzle 62, the air passes through the suction nozzle 62, so the air pressure measured by the air pressure sensor 280 is relatively low. On the other hand, when air is supplied to the suction nozzle 62 in which clogging or the like has occurred, the air pressure measured by the air pressure sensor 280 becomes relatively high because the air hardly passes through the suction nozzle 62. For this reason, the suction nozzle 62 whose air pressure measured by the air pressure sensor 280 is larger than the first threshold pressure is recognized as a defective nozzle.
- the suction nozzle 62 that has a high possibility of becoming a defective nozzle that is, a suction nozzle that has deteriorated (hereinafter may be abbreviated as “degraded nozzle”).
- a second threshold pressure that is lower than the first threshold pressure is set. Then, it is determined whether or not the air pressure measured by the air pressure sensor 280 is larger than the second threshold pressure, and the suction nozzle 62 whose air pressure is larger than the second threshold pressure is recognized as a deteriorated nozzle. That is, although not as bad as the defective nozzle, the suction nozzle 62 in which the air does not easily pass through the suction nozzle 62 is recognized as a deteriorated nozzle.
- the air sent from the compressor (not shown) to the air supply device 276 is supplied to the suction nozzle 62.
- the air pressure measured by the air pressure sensor 280 depends on the operation state of the compressor. Change. Therefore, before the air flow rate inspection is performed, air is supplied to the reference pipe 174, and the first threshold pressure and the second threshold pressure are set based on the air pressure measured by the air pressure sensor 280 at that time. Done.
- the camera 274 of the inspection head 270 is moved above the suction nozzle 62 to be inspected by the head moving device 272 and written on the flange portion 66 of the suction nozzle 62 to be inspected.
- the captured 2D code 74 is imaged by the camera 274.
- imaging data of the 2D code 74 of the suction nozzle 62 to be inspected is obtained, and usually unique information such as an ID number of the suction nozzle 62 is obtained based on the imaging data.
- unique information of the suction nozzle 62 may not be obtained based on the imaging data. For this reason, it is preferable that the suction nozzle 62 that cannot acquire the unique information of the suction nozzle 62 based on the imaging data is recognized as a defective nozzle.
- the 2D code 74 recorded on the flange portion 66 of the reference nozzle 172 is imaged by the camera 274, and it is determined whether or not the unique information of the reference nozzle 172 is acquired based on the imaging data.
- the 2D code 74 of the reference nozzle 172 is not contaminated, and unless the camera 274 or the like is abnormal, the uniqueness of the reference nozzle 172 is determined based on the imaging data of the 2D code 74 of the reference nozzle 172. Information is acquired. For this reason, the unique information cannot be acquired based on the imaging data of the 2D code 74 of the suction nozzle 62 to be inspected, and the unique information is acquired based on the imaging data of the 2D code 74 of the reference nozzle 172.
- the suction nozzle 62 to be inspected is recognized as a defective nozzle.
- the specific information cannot be acquired based on the imaging data of the 2D code 74 of the suction nozzle 62 to be inspected, and further, the specific information is not acquired based on the imaging data of the 2D code 74 of the reference nozzle 172 Therefore, it is considered that an abnormality has occurred in the camera 274 and the like, and the suction nozzle 62 to be inspected is not recognized as a defective nozzle.
- the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the cleaning position by the operation of the fourth pallet moving mechanism 330.
- high-pressure water is supplied to the spray nozzles 312 of the upper cleaning unit 306 and the lower cleaning unit 308, and the high-pressure water is sprayed from the spray holes 316 of the spray nozzle 312 toward the nozzle pallet 152.
- the ejection nozzle 312 is moved by the ejection nozzle moving mechanism 314 in the front-rear direction, that is, the direction intersecting the axis of the suction nozzle 62 accommodated in the nozzle pallet 152.
- high-pressure water is sprayed on all the suction nozzles 62 accommodated in the nozzle pallet 152, and the suction nozzles 62 are cleaned.
- the diameter of the adsorption tube 68 increases toward the tip portion, and therefore the angle formed between the lower end surface of the adsorption tube 68 and the outer side surface becomes an acute angle, and the high-pressure water jetted from below is the tip portion of the adsorption tube 68. This is because it does not reach the outer side surface. For this reason, there is a possibility that the deposit 360 on the outer side surface of the adsorption pipe 68 cannot be appropriately removed simply by jetting high-pressure water toward the adsorption pipe 68.
- a socket 370 for cleaning the suction tube of the suction nozzle 62 is fixed to the lower surface of the nozzle pallet 152 as shown in FIG.
- the socket 370 has a generally rectangular parallelepiped shape, and the socket 370 is formed with a through hole 371 penetrating in the vertical direction.
- the inner diameter of the through hole 371 is larger than the outer diameter of the suction pipe 68 of the suction nozzle 62, and the socket 370 is placed on the lower surface of the nozzle pallet 152 so that the tip of the suction pipe 68 is inserted into the through hole 371. It is fixed.
- the inner peripheral surface of the through hole 371 is constituted by a first inner peripheral surface 372 and a second inner peripheral surface 374.
- the first inner peripheral surface 372 is an inner peripheral surface whose inner diameter does not change in the vertical direction, and is located on the lower side of the inner peripheral surface of the through hole 371.
- the second inner peripheral surface 374 is a tapered inner peripheral surface having an inner diameter that decreases toward the top, and is continuous from the upper end of the first inner peripheral surface 372.
- a second inner peripheral surface 374 is located on the side of the tip of the suction tube 68 inserted into the through hole 371. Further, a drainage passage 376 extending to the outer wall surface of the socket 370 is formed above the second inner peripheral surface 374.
- the high-pressure water sprayed into the through hole 371 of the socket 370 is discharged from the outer wall surface of the socket 370 via the drainage channel 376 after washing the adsorption pipe 68.
- the injection nozzle 312 is moved in the front-rear direction by the injection nozzle moving mechanism 314 as described above.
- high-pressure water can be applied to the entire region of the tip of the adsorption tube 68, and the deposit 360 can be reliably removed from the tip of the adsorption tube 68.
- the plurality of injection holes 316 of the injection nozzle 312 are arranged in a straight line, and high-pressure water is injected in a planar shape from the plurality of injection holes 316.
- FIGS. 28 to 31 are views showing the socket 370 in a state where the suction pipe 68 is inserted into the through hole 371 from a viewpoint from below.
- a symbol 377 indicated by a solid line in the drawing is a symbol indicating a location where the high-pressure water ejected from the ejection nozzle 312 directly hits the socket 370 or the suction pipe 68
- a symbol 378 indicated by a dotted line is The high pressure water whose jet direction has been changed by the second inner peripheral surface 374, that is, the high pressure water reflected by the second inner peripheral surface 374 is a symbol indicating a location where the high pressure water hits the adsorption pipe 68.
- the high-pressure water reflected by the second inner peripheral surface 374 is the diameter of the adsorption pipe 68, as shown in FIG. It hits the outer side surface on one end side in the direction.
- the high-pressure water reflected by the second inner peripheral surface 374 is the same as that shown in FIG. Hits the outer side of a different point.
- the high-pressure water reflected by the second inner peripheral surface 374 is as shown in FIG.
- the high-pressure water ejected from the ejection nozzle 312 hits the lower end surface of the adsorption pipe 68. Further, when the injection nozzle 312 moves toward the other end in the radial direction of the through hole 371, the high-pressure water reflected by the second inner peripheral surface 374 is the same as that shown in FIG. Hits the outer side of a different point. Further, the high-pressure water sprayed from the spray nozzle 312 hits the lower end surface of the adsorption pipe 68 at a location different from that in FIG.
- the spray nozzle 312 by moving the spray nozzle 312 so that the high-pressure water sprayed in a plane shape vertically cuts the through-hole 371 of the socket 370 in the radial direction, the entire lower end surface of the adsorption pipe 68 and High-pressure water can be applied to the entire area of the outer side surface, and the deposit 360 can be reliably removed from the tip of the adsorption pipe 68.
- the nozzle pallet 152 is moved by the fourth pallet moving mechanism 330 to the position where the nozzle drying mechanism 304 is disposed (hereinafter sometimes abbreviated as “drying position”). Then, warm air is supplied to the blower tube 320, and the warm air is blown to the suction nozzles 62 accommodated in the nozzle pallet 152. As a result, the suction nozzle 62 washed with high-pressure water is dried. The suction nozzle 62 is dried by blowing hot air in the housing 300.
- the bottom surface of the housing 300 functions as a storage tank as described above, and the cleaning water used in the nozzle cleaning mechanism 302 is used. Is stored.
- the partition plate 348 is disposed between the nozzle pallet 152 located in the drying position and the cleaning water stored on the bottom surface of the housing 300, and the cleaning water is rolled up. Is prevented. Thereby, it becomes possible to prevent reattachment of cleaning water to the suction nozzle 62 when the suction nozzle 62 is dried.
- the nozzle pallet 152 is accommodated in the pallet carrier 180 by the operation of the fourth pallet moving mechanism 330.
- the ID number of the suction nozzle 62 and information indicating that the cleaning / drying operation has been completed are stored in association with each other.
- (E) Mounting operation on nozzle tray by nozzle management device When mounting the suction nozzle 62 accommodated in the nozzle management device 110 on the nozzle tray 88, as shown in FIG.
- the mountable nozzle tray 88 is set on the fixed stage 210 or the movable stage 212.
- the nozzle tray 88 on which the suction nozzle 62 can be mounted is set on the movable stage 212 by the operation of the stage moving mechanism 214.
- the pallet carrier 180 that accommodates the predetermined nozzle pallet 152 is moved to a position corresponding to the first pallet moving mechanism 218 by the operation of the carrier circulation mechanism 182.
- the predetermined nozzle pallet 152 accommodates the suction nozzles 62 to be mounted on the nozzle tray 88.
- the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the nozzle transfer position by the operation of the first pallet moving mechanism 218.
- the suction nozzle 62 mounted on the nozzle pallet 152 is transferred to the nozzle tray 88 by the nozzle transfer device 134.
- the transfer operation of the suction nozzles 62 mounted on the nozzle pallet 152 to the nozzle tray 88 is the same as the transfer operation of the suction nozzles 62 mounted on the nozzle tray 88 to the nozzle pallet 152.
- the suction nozzle 62 is dried by the blow device 227 before the suction nozzle 62 mounted on the nozzle pallet 152 is transferred to the nozzle tray 88.
- the suction nozzle 62 is cleaned by the nozzle cleaning device 140 in a state of being accommodated in the nozzle pallet 152 and dried after cleaning.
- the nozzle cleaning device 140 Due to the structure of the nozzle pallet 152, the nozzle cleaning device 140 There is a possibility that the suction nozzle 62 cannot be reliably dried.
- the suction nozzle 62 housed in the nozzle pallet 152 as shown in FIGS. 13 and 14, the flange portion 66 is sandwiched between the base plate 154 and the cover plate 156.
- the body cylinder 64 and the suction pipe 68 protrude from the nozzle pallet 152.
- the suction nozzle 62 when the suction nozzle 62 is cleaned while being accommodated in the nozzle pallet 152, the cleaning water enters between the base plate 154 and the cover plate 156, and the cleaning water adheres to the flange portion 66.
- the suction nozzle 62 is dried by blowing hot air while being stored in the nozzle pallet 152, but enters between the base plate 154 and the cover plate 156. The wash water is not blown away. For this reason, there exists a possibility that the washing water may adhere to the flange part 66 of the suction nozzle 62.
- the washing water adhering to the trunk cylinder 64 and the adsorption pipe 68 is blown off by blowing hot air, and the trunk cylinder 64 and the adsorption pipe 68 are dried.
- the transfer head 206 is moved when the suction nozzle 62 to be transferred is held by the holding chuck 209.
- the head moving device 207 operates to move above the blowing device 227.
- the holding chuck 209 holds the upper portion of the body cylinder 64 of the suction nozzle 62.
- the holding chuck 209 is provided at a position where the suction nozzle 62 is dried. It is possible to hold the suction nozzle 62, and it is possible to ensure proper holding of the suction nozzle 62.
- the head moving device 207 lowers the transfer head 206, and as shown in FIG. 17, the suction nozzle 62 held by the holding chuck 209 is moved to the blow device 227. Insert into the body 228. At this time, the transfer head 206 is lowered so that the air ejection hole 229 is positioned on the side of the flange portion 66 of the suction nozzle 62.
- the blow device 227 ejects air from the air ejection hole 229 by the operation of the air ejection device.
- the holding chuck 209 rotates with the suction nozzle 62 held by the operation of the rotation mechanism, and the air is ejected to the entire circumference of the flange portion 66 of the suction nozzle 62.
- the transfer head 206 is moved above the nozzle tray 88 by the operation of the head moving device 207, and the held suction nozzle 62 is placed in the mounting hole 96 of the nozzle tray 88. It is stored in.
- the suction nozzle 62 that has been reliably dried is stored in the nozzle tray 88.
- the nozzle pallet 152 that has completed the transfer of the suction nozzle 62 to the nozzle tray 88 is accommodated in the pallet carrier 180 by the operation of the first pallet moving mechanism 218.
- (F) Disposal operation of defective nozzle At the time of disposal operation of the defective nozzle, as shown in FIG. 15, the pallet carrier 180 containing the predetermined nozzle pallet 152 is moved to the first pallet moving mechanism 218 by the operation of the carrier circulation mechanism 182. Move to the corresponding position. The predetermined nozzle pallet 152 accommodates defective nozzles. Next, the nozzle pallet 152 accommodated in the pallet carrier 180 is moved to the nozzle transfer position by the operation of the first pallet moving mechanism 218. Then, defective nozzles mounted on the nozzle pallet 152 are put into the disposal box 222 by the nozzle transfer device 134.
- the disposal work of defective nozzles mounted on the nozzle pallet 152 to the disposal box 222 is substantially the same as the transfer work of the suction nozzles 62 mounted on the nozzle tray 88 to the nozzle pallet 152.
- the defective nozzle is put into the disposal box 222 so as not to be damaged as much as possible.
- some defective nozzles can be restored to normal nozzles by repairs. For this reason, when a defective nozzle is thrown into the disposal box 222 in a random manner, the defective nozzle cannot be repaired due to a collision between nozzles, an impact when the nozzle is thrown into the disposal box 222, or the like. There is a risk of being in a bad state. In view of this, when a defective nozzle is introduced into the disposal box 222, the defective nozzle held by the holding chuck 209 is detached above the first inclined portion 224 of the disposal box 222.
- the transfer head 206 is operated by the head moving device 207, as shown in FIG. Move up. At that position, the gripping of the defective nozzle by the holding chuck 209 is released. That is, the defective nozzle is detached above the first inclined portion 224. As a result, the defective nozzle falls to the first inclined portion 224. Since the first inclined portion 224 is an inclined surface as described above, the defective nozzle that has dropped onto the first inclined portion 224 rolls down to the flat portion 225. Then, the defective nozzle remains on the flat portion 225.
- the defective nozzles are separated above the first inclined portion 224. It is possible to prevent collision with the defective nozzle. Thereby, it becomes possible to prevent suitably the damage of the nozzle by the collision of nozzles.
- the 1st inclination part 224, the plane part 225, and the 2nd inclination part 226 are shape
- the suction nozzle 62 is an example of a suction nozzle.
- the trunk cylinder 64 is an example of a cylinder.
- the adsorption tube 68 is an example of an adsorption tube.
- the head moving device 207 is an example of a moving device.
- the holding chuck 209 is an example of a holding tool.
- the disposal box 222 is an example of a collection box.
- the first inclined portion 224 is an example of an inclined surface.
- the plane part 225 is an example of a plane.
- the load cell 240 is an example of a load sensor.
- the pressing metal 242 is an example of a rigid body.
- this invention is not limited to the said Example, It is possible to implement in the various aspect which gave various change and improvement based on the knowledge of those skilled in the art. Specifically, for example, in the above-described embodiment, when the retracting force of the suction pipe 68 is measured, the inspection unit 230 on which the load cell 240, the pressing metal 242 and the like are placed moves upward, and the suction nozzle 62 Although the body cylinder 64 and the suction pipe 68 are relatively moved, the body nozzle 64 and the suction pipe 68 may be relatively moved by moving the suction nozzle 62 downward.
- the suction nozzle 62 is gripped by the holding chuck 382 of the inspection head 380.
- the inspection head 380 can be moved to any position in the X, Y, and Z directions by the operation of the moving device 386, and the inspection head 380 holding the suction nozzle 62 is moved above the pressing metal 242 and then lowered.
- the state of relative movement between the body cylinder 64 and the suction pipe 68 is inspected.
- the suction nozzle 62 which has been relatively moved by the body cylinder 64 and the suction pipe 68 by the first set amount, is held by the inspection head 380, and the inspection head 380 is moved above the load cell 240 and then lowered.
- the retracting force of the adsorption tube 68 is measured. In this way, it is possible to measure the retracting force of the suction pipe 68 by moving the suction nozzle downward.
- the suction tube 68 is disposed inside the body cylinder 64. That is, the body cylinder 64 functions as an outer cylinder of the adsorption tube 68, but the body cylinder 64 can be disposed inside the adsorption tube 68 so that the body cylinder 64 functions as an inner cylinder of the adsorption tube 68. is there.
- the measurement value by the load cell 240 that is, the timing when the load exceeds the set value is monitored, but the measurement value of the load cell 240 is used as an index. It is possible to monitor the timing at which an index value, for example, current, voltage, etc. exceeds a set value.
- An adsorption tube for adsorbing and holding components by air suction, and a cylinder for holding the adsorption tube inside with the tip of the adsorption tube projecting, the adsorption tube and the cylinder, Is a load measuring method for measuring a load generated when the suction pipe and the cylinder of the suction nozzle are relatively movable by a predetermined amount.
- the mode described in this section is a mode listing the basic configuration of the present invention.
- the load measuring method is: A moving step of moving the suction nozzle and the rigid body in a direction to approach them with a preset set load in a state where the tip of the suction tube is in contact with the rigid body; The suction nozzle and the load sensor are placed in a state where the tip of the suction tube and the load sensor face each other on the condition that the suction tube and the cylinder have moved relative to each other by the predetermined amount in the moving step.
- the load measuring method according to item (0), comprising a measuring step.
- the set load is With the tip of the suction tube being in contact with the rigid body, the suction nozzle is smaller than the load that causes damage when the suction nozzle and the rigid body are moved in the approaching direction (1)
- the load measuring method according to item.
- the load measuring step includes When the suction nozzle is moved in a direction to approach the load sensor with the tip of the suction tube facing the load sensor, the tip of the suction tube and the load sensor come into contact with each other.
- the load measuring method is: When the suction nozzle and the load sensor are moved in a direction in which the tip of the suction pipe faces the load sensor, the tip of the suction pipe and the load sensor come into contact with each other.
- the suction nozzle includes an elastic body that exerts an elastic force with respect to relative movement between the suction pipe and the cylinder, an index value indicating the load measured in the load measurement process exceeds a threshold value.
- the load measuring method according to any one of items (0) to (3), further comprising: a load extracting step.
- the index value indicating the measured load has a threshold value.
- the load measured by the load sensor is extracted after elapse of a preset set time after exceeding.
- the load generated when the suction tube of the springless nozzle and the load sensor come into contact with each other and the load generated during the relative movement of the suction tube and the cylinder are almost the same.
- the load measured by the load sensor is extracted.
- the recovery method is: A holding step of holding the suction nozzle in which the load extracted in the first load extraction step or the second load extraction step exceeds a preset allowable load by a holder; The holding tool that holds the suction nozzle in the holding step above the inclined surface of a collection box having a bottom surface constituted by an inclined surface and a flat surface that is continuous from the lower end of the inclined surface. A moving step of moving the And a detaching step in which the holder detaches the suction nozzle after the holder has moved above the inclined surface in the moving step.
- the bottom surface of the collection box for collecting the suction nozzle is configured by an inclined surface and a flat surface without an inclination that continues from the lower end of the inclined surface.
- the collection box for collecting the suction nozzle, is A recovery box comprising a bottom surface configured by an inclined surface and a flat surface without an inclination that continues from the lower end of the inclined surface.
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Abstract
Description
図1に、電子部品装着装置(以下、「装着装置」と略す場合がある)10を示す。装着装置10は、1つのシステムベース12と、そのシステムベース12の上に隣接された2台の電子部品装着機(以下、「装着機」と略す場合がある)14とを有している。なお、装着機14の並ぶ方向をX軸方向と称し、その方向に直角な水平の方向をY軸方向と称する。
装着機14では、上述した構成によって、搬送装置22に保持された回路基板に対して、装着ヘッド26によって装着作業を行うことが可能である。具体的には、装着機14の制御装置(図示省略)の指令により、回路基板が作業位置まで搬送され、その位置において、基板保持装置によって固定的に保持される。また、テープフィーダ86は、制御装置の指令により、テープ化部品を送り出し、電子部品を供給位置において供給する。そして、装着ヘッド26が、電子部品の供給位置の上方に移動し、吸着ノズル62によって電子部品を吸着保持する。続いて、装着ヘッド26は、回路基板の上方に移動し、保持している電子部品を回路基板上に装着する。
装着機14では、上述したように、テープフィーダ86によって供給された電子部品を、吸着ノズル62によって吸着保持し、その電子部品が回路基板上に装着される。このように構成された装着機14では、電子部品の大きさ,種類等に応じて、吸着ノズル62が変更される。つまり、例えば、大きな電子部品を吸着保持する際には、径の大きな吸着ノズル62が用いられ、小さな電子部品を吸着保持する際には、径の小さな吸着ノズル62が用いられる。このため、製造される回路基板の種類に応じて、種々の吸着ノズル62を用いる必要が有り、ノズルステーション30には、製造される回路基板の種類に応じて、種々の吸着ノズル62が収容されている。そして、装着ヘッド26の装着ユニット60に取り付けられている吸着ノズル62と、ノズルステーション30の収容されている吸着ノズル62との交換等が、必要に応じて行われる。なお、装着ユニット60に取り付けられている吸着ノズル62と、ノズルステーション30の収容されている吸着ノズル62との交換等は、公知の手法であることから、説明は省略する。
ノズル管理装置110は、図8に示すように、概して直方体形状をなしており、正面に、ノズルトレイ88をノズル管理装置110内に収納、若しくは、ノズル管理装置110からノズルトレイ88を取り出すための引出118が設けられている。その引出118の上方には、各種情報を表示するパネル120、情報等の入力を行うための操作スイッチ122等が配設されている。
パレット収容装置130は、図11に示すノズルパレット152を収容するものである。ノズルパレット152は、ノズルトレイ88と同様に、ベースプレート154とカバープレート156とを有しており、カバープレート156は、ベースプレート154の上にスライド可能に配設されている。ベースプレート154とカバープレート156とは、略同じ寸法とされており、カバープレート156がベースプレート154に対してスライドした状態において、ベースプレート154の端部に記された2Dコード157は露出する。一方、図12に示すように、ベースプレート154とカバープレート156とが全体的に重なっている状態では、2Dコード157は、カバープレート156によって覆われる。
トレイ収容装置132は、ノズルトレイ88を収容する装置であり、パレット収容装置130の前方に配設されている。トレイ収容装置132は、複数のトレイキャリア200とキャリア循環機構202とを有している。トレイキャリア200は、パレットキャリア180と同様に、チャンネル形状をなし、チャンネル形状の開口が下方を向いた状態で配設されている。また、トレイキャリア200は、内側の側面に形成されたレール204によって、ノズルトレイ88を保持する。なお、ノズルトレイ88は、トレイキャリア200の前方から挿入されることで、トレイキャリア200に保持され、ノズルトレイ88を前方に引き出すことで、トレイキャリア200から取り出される。
ノズル移載装置134は、ノズルトレイ88とノズルパレット152との間で吸着ノズル62を移載するための装置であり、図15に示すように、引出118内のテーブル205上に配設されている。ノズル移載装置134は、移載ヘッド206とヘッド移動装置207とを有している。移載ヘッド206の下端面には、下方を向いた状態のカメラ208と、吸着ノズル62を保持するための保持チャック(図9、図10参照)209とが取り付けられている。また、ヘッド移動装置207は、移載ヘッド206をテーブル205の上において前後方向、左右方向、上下方向に移動させるXYZ型の移動装置である。さらに、ヘッド移動装置207は、保持チャック209をそれの軸線周りに自転させるための自転機構(図示省略)を備えており、保持チャック209によって保持された吸着ノズル62を自転させることが可能である。
第1ノズル検査装置136は、吸着ノズル62の先端部、つまり、吸着管68の状態の検査(以下、「先端部検査」と略す場合がある)と、吸着ノズル62の先端部を後退させるために必要な力、つまり、吸着管68を胴体筒64の内部に向かって後退させるために必要な力の検査(以下、「後退力検査」と略す場合がある)とを実行する装置であり、ノズル移載装置134の下方に配設されている。
第2ノズル検査装置138は、吸着ノズル62内を流れるエアの流量の検査(以下、「エア流量検査」と略す場合がある)と、吸着ノズル62のフランジ部66に記された2Dコード74の読み取り検査(以下、「コード読取検査」と略す場合がある)とを実行する装置であり、第1ノズル検査装置136の下方に配設されている。
ノズル洗浄装置140は、吸着ノズル62の洗浄および乾燥を行う装置であり、第2ノズル検査装置138の下方に配設されている。ノズル洗浄装置140は、図20に示すように、ハウジング300を有しており、ハウジング300内で、吸着ノズル62の洗浄および乾燥が行われる。ノズル洗浄装置140の構造を説明するべく、ハウジング300を除いたノズル洗浄装置140を、図21に示す。
上記構成のノズル管理装置110では、ノズルトレイ88に搭載された吸着ノズル62のノズル管理装置110への収納作業、第1ノズル検査装置136による吸着ノズル62の検査作業、第2ノズル検査装置138による吸着ノズル62の検査作業、吸着ノズル62の洗浄・乾燥作業、検査作業および洗浄・乾燥作業の完了した吸着ノズル62のノズルトレイ88への搭載作業、不良ノズルの廃棄作業が行われる。以下に、各作業実行時におけるノズル管理装置110の作動態様について説明する。
吸着ノズル62のノズル管理装置110への収納作業時において、図15に示すように、作業者は、吸着ノズル62が搭載されたノズルトレイ88を、ノズル管理装置110の引出118内の固定ステージ210、若しくは、可動ステージ212にセットする。なお、可動ステージ212にノズルトレイ88がセットされる際には、作業者が、ノズルトレイ88を可動ステージ212にセットしてもよく、トレイキャリア200に収容されているノズルトレイ88を、ステージ移動機構214によって、可動ステージ212にセットしてもよい。また、ノズル管理装置110では、キャリア循環機構182の作動により、吸着ノズル62を搭載可能なノズルパレット152を収容するパレットキャリア180が、第1パレット移動機構218に対応する位置に移動する。
吸着ノズル62の検査作業において、第1ノズル検査装置136によって、先端部検査が行われる際には、キャリア循環機構182の作動により、所定のノズルパレット152を収容するパレットキャリア180が、図18に示すように、第2パレット移動機構266に対応する位置に移動する。その所定のノズルパレット152には、検査対象の吸着ノズル62が収容されている。
吸着ノズル62の検査作業において、第2ノズル検査装置138によって、エア流量検査が行われる際には、キャリア循環機構182の作動により、所定のノズルパレット152を収容するパレットキャリア180が、図19に示すように、第3パレット移動機構296に対応する位置に移動する。その所定のノズルパレット152には、検査対象の吸着ノズル62が収容されている。
吸着ノズル62の洗浄・乾燥作業時には、キャリア循環機構182の作動により、所定のノズルパレット152を収容するパレットキャリア180が、図20及び図21に示すように、第4パレット移動機構330に対応する位置に移動する。その所定のノズルパレット152には、洗浄対象の吸着ノズル62が収容されている。
ノズル管理装置110に収納されている吸着ノズル62のノズルトレイ88への搭載作業時には、図15に示すように、作業者が、吸着ノズル62を搭載可能なノズルトレイ88を、固定ステージ210または可動ステージ212にセットする。若しくは、吸着ノズル62を搭載可能なノズルトレイ88が、ステージ移動機構214の作動により、可動ステージ212にセットされる。また、ノズル管理装置110では、キャリア循環機構182の作動により、所定のノズルパレット152を収容するパレットキャリア180が、第1パレット移動機構218に対応する位置に移動する。その所定のノズルパレット152には、ノズルトレイ88への搭載予定の吸着ノズル62が収容されている。
不良ノズルの廃棄作業時には、図15に示すように、キャリア循環機構182の作動により、所定のノズルパレット152を収容するパレットキャリア180が、第1パレット移動機構218に対応する位置に移動する。その所定のノズルパレット152には、不良ノズルが収容されている。次に、そのパレットキャリア180に収容されているノズルパレット152が、第1パレット移動機構218の作動により、ノズル移載位置に移動する。そして、ノズルパレット152に搭載されている不良ノズルが、ノズル移載装置134によって、廃棄ボックス222内に投入される。なお、ノズルパレット152に搭載されている不良ノズルの廃棄ボックス222への廃棄作業は、ノズルトレイ88に搭載されている吸着ノズル62のノズルパレット152への移載作業と略同じである。ただし、不良ノズルは、できる限り破損しないように、廃棄ボックス222内に投入される。
前記吸着管の先端部を剛体に接触させた状態で、前記吸着ノズルと前記剛体とを予め設定された設定荷重で接近させる方向に移動させる移動工程と、
前記移動工程において前記吸着管と前記筒とが前記所定量、相対移動したことを条件として、前記吸着管の先端部と荷重センサとを対向させた状態で、前記吸着ノズルと前記荷重センサとを接近させる方向に移動させた場合に、前記吸着管の先端部と前記荷重センサとが接触している際の前記吸着管と前記筒との相対移動時に生じる荷重を、前記荷重センサによって測定する荷重測定工程と
を含むことを特徴とする(0)項に記載の荷重測定方法。
前記吸着管の先端部を前記剛体に接触させた状態で、前記吸着ノズルと前記剛体とを接近させる方向に移動させた際に前記吸着ノズルが破損する荷重より小さいことを特徴とする(1)項に記載の荷重測定方法。
前記吸着管の先端部と前記荷重センサとを対向させた状態で、前記吸着ノズルを前記荷重センサに接近させる方向に移動させた場合に、前記吸着管の先端部と前記荷重センサとが接触している際の前記吸着管と前記筒との相対移動時に生じる荷重を、前記荷重センサによって測定することを特徴とする(1)項または(2)項に記載の荷重測定方法。
前記吸着管の先端部と荷重センサとを対向させた状態で、前記吸着ノズルと前記荷重センサとを接近させる方向に移動させた場合に、前記吸着管の先端部と前記荷重センサとが接触している際の前記吸着管と前記筒との相対移動時に生じる荷重を、前記荷重センサによって測定する荷重測定工程と、
前記吸着ノズルが、前記吸着管と前記筒との相対移動に対して弾性力を発揮する弾性体を備えている場合に、前記荷重測定工程において測定された荷重を指標する指標値が閾値を超えてから、予め設定された設定時間経過した後の、前記荷重センサによって測定された荷重を抽出する第1荷重抽出工程と、
前記吸着ノズルが、前記弾性体を備えていない場合に、前記荷重測定工程において測定された荷重を指標する指標値が閾値を超えた後の、前記荷重センサによって測定された荷重を抽出する第2荷重抽出工程と
を含むことを特徴とする(0)項ないし(3)項のいずれか1つに記載の荷重測定方法。
前記回収方法は、
前記第1荷重抽出工程若しくは、前記第2荷重抽出工程において抽出された荷重が、予め設定された許容荷重を超えている前記吸着ノズルを、保持具によって保持する保持工程と、
傾斜面と、前記傾斜面の下方側の端から連続する傾斜の無い平面とによって構成される底面を有する回収ボックスの前記傾斜面の上方に、前記保持工程において前記吸着ノズルを保持した前記保持具を、移動装置によって移動させる移動工程と、
前記移動工程において前記保持具が前記傾斜面の上方に移動した後に、前記保持具が前記吸着ノズルを離脱する離脱工程と
を含むことを特徴とする回収方法。
前記回収ボックスが、
傾斜面と、前記傾斜面の下方側の端から連続する傾斜の無い平面とによって構成される底面を有することを特徴とする回収ボックス。
Claims (7)
- エアの吸引により部品を吸着保持するための吸着管と、前記吸着管の先端部を突出させた状態で内部において前記吸着管を保持する筒とを備え、前記吸着管と前記筒とが所定量、相対移動可能な吸着ノズルの前記吸着管と前記筒との相対移動時に生じる荷重を測定する荷重測定方法において、
前記荷重測定方法が、
前記吸着管の先端部を剛体に接触させた状態で、前記吸着ノズルと前記剛体とを予め設定された設定荷重で接近させる方向に移動させる移動工程と、
前記移動工程において前記吸着管と前記筒とが前記所定量、相対移動したことを条件として、前記吸着管の先端部と荷重センサとを対向させた状態で、前記吸着ノズルと前記荷重センサとを接近させる方向に移動させた場合に、前記吸着管の先端部と前記荷重センサとが接触している際の前記吸着管と前記筒との相対移動時に生じる荷重を、前記荷重センサによって測定する荷重測定工程と
を含むことを特徴とする荷重測定方法。 - 前記設定荷重が、
前記吸着管の先端部を前記剛体に接触させた状態で、前記吸着ノズルと前記剛体とを接近させる方向に移動させた際に前記吸着ノズルが破損する荷重より小さいことを特徴とする請求項1に記載の荷重測定方法。 - 前記荷重測定工程が、
前記吸着管の先端部と前記荷重センサとを対向させた状態で、前記吸着ノズルを前記荷重センサに接近させる方向に移動させた場合に、前記吸着管の先端部と前記荷重センサとが接触している際の前記吸着管と前記筒との相対移動時に生じる荷重を、前記荷重センサによって測定することを特徴とする請求項1または請求項2に記載の荷重測定方法。 - 前記荷重測定方法が、
前記吸着ノズルが、前記吸着管と前記筒との相対移動に対して弾性力を発揮する弾性体を備えている場合に、前記荷重測定工程において測定された荷重を指標する指標値が閾値を超えてから、予め設定された設定時間経過した後の、前記荷重センサによって測定された荷重を抽出する第1荷重抽出工程と、
前記吸着ノズルが、前記弾性体を備えていない場合に、前記荷重測定工程において測定された荷重を指標する指標値が閾値を超えた後の、前記荷重センサによって測定された荷重を抽出する第2荷重抽出工程と
を含むことを特徴とする請求項1ないし請求項3のいずれか1つに記載の荷重測定方法。 - 請求項4に記載の前記第1荷重抽出工程若しくは、前記第2荷重抽出工程において抽出された荷重に基づいて正常でないと判定された前記吸着ノズルを回収する回収方法において、
前記回収方法は、
前記第1荷重抽出工程若しくは、前記第2荷重抽出工程において抽出された荷重が、予め設定された許容荷重を超えている前記吸着ノズルを、保持具によって保持する保持工程と、
傾斜面と、前記傾斜面の下方側の端から連続する傾斜の無い平面とによって構成される底面を有する回収ボックスの前記傾斜面の上方に、前記保持工程において前記吸着ノズルを保持した前記保持具を、移動装置によって移動させる移動工程と、
前記移動工程において前記保持具が前記傾斜面の上方に移動した後に、前記保持具が前記吸着ノズルを離脱する離脱工程と
を含むことを特徴とする回収方法。 - 前記傾斜面の表面が、緩衝剤により成形されていることを特徴とする請求項5に記載の回収方法。
- 前記平面の表面が、緩衝剤により成形されていることを特徴とする請求項5または請求項6に記載の回収方法。
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JP2019220520A (ja) * | 2018-06-18 | 2019-12-26 | 株式会社Fuji | 吸着ノズルの回収装置と吸着ノズルの回収方法 |
JP7111518B2 (ja) | 2018-06-18 | 2022-08-02 | 株式会社Fuji | 吸着ノズルの回収装置と吸着ノズルの回収方法 |
JP2020113727A (ja) * | 2019-01-17 | 2020-07-27 | 株式会社Fuji | ノズルタップ部材およびそれを備えるノズルタップ装置 |
JP7311269B2 (ja) | 2019-01-17 | 2023-07-19 | 株式会社Fuji | ノズルタップ装置 |
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US20190223336A1 (en) | 2019-07-18 |
CN106233829A (zh) | 2016-12-14 |
US10721847B2 (en) | 2020-07-21 |
CN106233829B (zh) | 2019-04-09 |
EP3136832A1 (en) | 2017-03-01 |
EP3136832B1 (en) | 2020-11-18 |
JPWO2015162700A1 (ja) | 2017-04-13 |
JP6302052B2 (ja) | 2018-03-28 |
US10292319B2 (en) | 2019-05-14 |
US20170049012A1 (en) | 2017-02-16 |
EP3136832A4 (en) | 2017-12-13 |
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