WO2016170573A1 - 粘性流体供給装置および部品実装装置 - Google Patents
粘性流体供給装置および部品実装装置 Download PDFInfo
- Publication number
- WO2016170573A1 WO2016170573A1 PCT/JP2015/061994 JP2015061994W WO2016170573A1 WO 2016170573 A1 WO2016170573 A1 WO 2016170573A1 JP 2015061994 W JP2015061994 W JP 2015061994W WO 2016170573 A1 WO2016170573 A1 WO 2016170573A1
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- WO
- WIPO (PCT)
- Prior art keywords
- squeegee
- unit
- viscous fluid
- light
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
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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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3465—Application of solder
- H05K3/3478—Application of solder preforms; Transferring prefabricated solder patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/041—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for positioning, loading, or deforming the blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
- B05C11/044—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades characterised by means for holding the blades
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0139—Blade or squeegee, e.g. for screen printing or filling of holes
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3465—Application of solder
- H05K3/3485—Application of solder paste, slurry or powder
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3489—Composition of fluxes; Application thereof; Other processes of activating the contact surfaces
Definitions
- the present invention relates to a viscous fluid supply device and a component mounting device.
- viscous fluid supply devices that supply viscous fluid such as flux and solder paste are known.
- Such a viscous fluid supply apparatus is disclosed in, for example, US Pat. No. 6,293,317.
- US Pat. No. 6,293,317 discloses a viscous fluid comprising a base plate on which the viscous fluid is stretched, a container (squeegee) that slides so as to smooth the viscous fluid on the base plate, and a slide portion that holds the container slidably.
- a feeding device is disclosed.
- the present invention has been made to solve the above-described problems, and one object of the present invention is to provide a viscous fluid supply device and a component mounting device that can prevent forgetting to install a squeegee. That is.
- a viscous fluid supply apparatus includes a plate on which a viscous fluid is stretched, a squeegee that slides so as to smooth the viscous fluid on the plate, a squeegee holding portion in which the squeegee is installed, And a squeegee detection unit for detecting presence or absence of installation.
- the viscous fluid supply apparatus In the viscous fluid supply apparatus according to the first aspect of the present invention, forgetting to install the squeegee can be prevented by providing the squeegee detecting unit for detecting whether or not the squeegee is installed as described above. Thereby, it can suppress that a viscous fluid leaks in an apparatus by replenishing a viscous fluid in the state where the squeegee is not installed.
- the squeegee holding unit includes a regulating unit that regulates movement in a direction parallel to the pressing direction of the squeegee with respect to the plate, and the squeegee detecting unit is provided with the squeegee. And it is comprised so that the movement of a squeegee may be controlled by the control part.
- the squeegee detection unit includes a light projecting unit and a light receiving unit
- the squeegee holding unit includes a switching unit that switches arrival of light from the light projecting unit to the light receiving unit
- the switching unit is a restriction unit.
- the regulation state where movement of the squeegee by the part is regulated and the release state where regulation of the movement of the squeegee by the regulation part is released the arrival of light from the light projecting part to the light receiving part is switched. It is configured. If comprised in this way, it can detect easily that a squeegee is installed and it is in a regulation state by transmitting, intercepting, or reflecting light from a light projection part by a change part.
- the switching unit moves when the regulation state and the release state of the regulation unit are switched, so that light from the light projecting unit reaches the light receiving unit.
- the switching unit can be moved in conjunction with the switching between the restricted state and the released state by the restricting unit. Therefore, according to the restricted state and the released state, the light from the light projecting unit can be moved. The arrival at the light receiving unit can be easily switched by the switching unit.
- the squeegee holding part further includes a rotation support part that rotatably supports the restriction part.
- the restriction part contacts the rotation support part, and in the restriction state, the restriction part is restricted.
- the switching portion moves when the portion moves away from the rotation support portion. If comprised in this way, the restriction
- the distance with respect to the rotation support part of a control part can be changed according to a control state and a cancellation
- the squeegee holding part is further connected to the restricting part and further includes a pressing force generating mechanism for generating a pressing force against the plate of the squeegee, and the movement of the squeegee by the restricting part is restricted.
- a pressing force is generated by the pressing force generation mechanism. If comprised in this way, since a pressing force can be added in the state which controlled the movement of the squeegee by the control part, a pressing force can be reliably provided to a squeegee.
- the restriction part when the squeegee restriction by the restriction part is turned on / off, the restriction part can be easily moved by not generating the pressing force by the pressing force generating mechanism, so the squeegee restriction can be easily turned on / off. can do.
- the viscous fluid supply device preferably further includes a replenishing unit that replenishes the plate with the viscous fluid, and when the squeegee detecting unit does not detect that the squeegee is installed, the viscous fluid is supplied from the replenishing unit. It is configured not to be replenished. If comprised in this way, since a viscous fluid is replenished when the squeegee is installed, it can suppress that a viscous fluid leaks in an apparatus.
- a component mounting apparatus includes a mounting unit that mounts a component on a board, and a viscous fluid supply unit that supplies a viscous fluid to the component, and the viscous fluid supply unit extends and spreads the viscous fluid. It includes a plate, a squeegee that slides so as to level the viscous fluid on the plate, a squeegee holding unit on which the squeegee is installed, and a squeegee detection unit that detects whether or not the squeegee is installed.
- the squeegee detecting unit for detecting whether or not the squeegee is installed as described above. Accordingly, it is possible to provide a component mounting apparatus including a viscous fluid supply unit that can suppress leakage of viscous fluid into the apparatus by replenishing the viscous fluid without a squeegee being installed. Can do.
- the component mounting apparatus 100 takes out a bare chip (semiconductor chip) C from the diced wafer W and mounts it on the mounting surface of the substrate S, and also transfers an electronic component (so-called package component) supplied by the tape feeder 13a to the substrate S.
- This is a so-called composite type component mounting apparatus that can be mounted on the mounting surface.
- the bare chip C is an example of the “component” in the present invention.
- the component mounting apparatus 100 includes a base 10, a control unit 11, a conveyor 12, two chip component supply units 13, two mounting units 14, a wafer holding table 15, An extraction unit 16, a component recognition camera 17, a fixed camera 18, and a wafer storage unit 19 are provided.
- the component mounting apparatus 100 is provided with a flux supply device 1.
- the flux supply device 1 is an example of the “viscous fluid supply device” and the “viscous fluid supply unit” in the present invention.
- the control unit 11 is configured to comprehensively control the operation of each unit of the component mounting apparatus 100.
- the control unit 11 includes a conveyor 12, a chip component supply unit 13, a mounting unit 14, a wafer holding table 15, a takeout unit 16, a component recognition camera 17, a fixed camera 18, a wafer storage unit 19, and the flux supply device 1. And so on.
- the control unit 11 controls the operation of each unit based on an output signal from position detection means such as an encoder built in the drive motor of each unit. Further, the control unit 11 has a function of performing imaging control and image recognition of various cameras (the component recognition camera 17 and the fixed camera 18).
- the conveyor 12 is configured to carry the substrate S into and out of a predetermined mounting work position.
- the conveyor 12 includes a pair of conveyor rails extending in the X direction and a positioning mechanism (not shown) for positioning the substrate S at a predetermined position. Thereby, the conveyor 12 conveys the board
- the two chip component supply units 13 are provided at both ends on the front side (Y1 direction side) of the component mounting apparatus 100, respectively.
- tape feeders 13a are arranged side by side along the X direction. Each tape feeder 13a intermittently sends out the carrier tape and supplies the electronic components in the carrier tape to a predetermined component supply position.
- the mounting unit 14 is configured to mount the electronic component supplied from the chip component supply unit 13 and the bare chip C of the wafer W on the substrate S. Specifically, the mounting unit 14 is supported by an XY movement mechanism so as to be movable in the horizontal direction (XY direction) above the conveyor 12 (substrate S).
- the mounting portion 14 has a plurality (two) of suction nozzles 14a (see FIG. 2) arranged along the X direction.
- the mounting unit 14 is configured to mount the bare chip C taken out from the wafer W by the extraction unit 16 on the substrate S by suction by the suction nozzle 14a.
- the mounting unit 14 is configured to mount the electronic component supplied by the tape feeder 13a on the substrate S by sucking the electronic component by the suction nozzle 14a.
- the wafer holding table 15 is configured to support the wafer W drawn out from the wafer storage unit 19 by a loading / unloading mechanism (not shown) at a predetermined position.
- the take-out unit 16 is configured to take out the bare chip C from the wafer W and deliver it to the mounting unit 14. Further, the take-out unit 16 is moved in the horizontal direction (XY direction) at a position above the wafer holding table 15 by a predetermined driving means. Further, the take-out unit 16 includes four wafer heads 16a.
- the wafer head 16a is configured to be capable of rotating around the X axis and capable of moving up and down (up and down). Further, the wafer head 16a is configured to be able to suck the bare chip C. That is, the take-out portion 16 picks up and removes the bare chip C pushed up by the protrusion (not shown) by the wafer head 16a, reverses (flips) the bare chip C, and mounts the mount portion 14 (suction) at a predetermined delivery position. It is configured to deliver the bare chip C to the nozzle 14a).
- the component recognition camera 17 is configured to take an image of the bare chip C to be taken out before taking out the bare chip C from the wafer W.
- the component recognition camera 17 is provided on a common frame with the take-out unit 16.
- the component recognition camera 17 is moved in the horizontal direction (XY direction) at a position above the wafer holding table 15 by a predetermined driving means.
- the fixed camera 18 is installed on the base 10 and in the movable region of the mounting unit 14.
- the fixed camera 18 is configured to take an image of electronic components (including the bare chip C) sucked by the suction nozzle 14a of the mounting unit 14 from below.
- the wafer storage unit 19 is configured to store a plurality of diced wafers W.
- the bare chip C of the wafer W is, for example, a flip chip mounting bare chip in which bumps are formed on electrodes.
- the bare chip C is stuck and held on a film-like wafer sheet so that the bump forming surface (mounting surface) faces upward.
- the flux supply device 1 is provided to transfer (apply) the flux onto the bumps of the bare chip C. Specifically, the flux supply device 1 supplies the flux to the plate 2 by extending it thinly. Then, the bare chip C sucked by the suction nozzle 14a of the mounting portion 14 is brought into contact with the expanded and spread flux. Thereby, the flux is transferred to the bumps of the bare chip C. It should be noted that the flux is applied to the bumps of the bare chip C so that the solder for bonding becomes good.
- the bare chip C of the wafer W is mounted on the substrate S, first, the bare chip C to be mounted is taken out by the takeout unit 16, and the bare chip C is sucked and held on the wafer head 16 a of the takeout unit 16.
- the wafer head 16a rotates to reverse (flip) the bare chip C, and the bare chip C is disposed at a predetermined delivery position.
- the suction nozzle 14a of the mounting portion 14 is lowered to the transfer height position above the transfer position, and the bare chip C is sucked.
- the mounting portion 14 is moved above the flux supply device 1.
- the suction nozzle 14a of the mounting portion 14 is lowered to the transfer height position, and the flux is transferred (applied) to the bump forming surface of the bare chip C.
- the mounting unit 14 is moved so as to pass above the fixed camera 18, and the bump forming surface of the bare chip C sucked by the suction nozzle 14a is imaged.
- the defect determination of the bump formation surface of the bare chip C and the recognition of the suction position deviation are performed.
- the order of the transfer operation and the imaging operation may be reversed. In other words, when the image (image recognition) can be performed better in the state before the transfer, the image capturing operation is performed first.
- the mounting portion 14 After imaging, the mounting portion 14 is moved above the substrate S held on the conveyor 12, the suction nozzle 14a is lowered to a mounting height position above a predetermined mounting position, and the bare chip C is placed on the substrate S. (Implemented)
- the mounting portion 14 is moved above a predetermined part extraction position of the tape feeder 13a. Then, the suction nozzle 14a is lowered and the electronic component is taken out. Thereafter, the mounting unit 14 is moved so as to pass over the fixed camera 18, and the lower surface of the electronic component sucked by the suction nozzle 14a is imaged. Then, the mounting unit 14 is moved above the substrate S. Thereafter, the suction nozzle 14a is lowered and the electronic component is placed (mounted) on the substrate S.
- the bare chip C is individually stored in the carrier tape and supplied from the tape feeder 13a, after the bare chip C is taken out from the tape feeder 13a, transfer and imaging are performed as shown in FIG. The bare chip C is placed (mounted) on the board.
- the flux supply device 1 includes a plate 2, a squeegee 3, a base part 4, a squeegee holding part 5, a flux discharge part 6, a sensor 7, and a squeegee detection part 8. ing.
- the flux discharge unit 6 is an example of the “replenishment unit” in the present invention.
- the plate 2 includes a recess 21.
- the squeegee 3 includes a pair of squeegee portions 31, a pair of wall portions 32, a pair of plate-like portions 33, a pair of sliding direction regulating pins 34, and a pair of pressing portions 35.
- the base part 4 includes a motor 41, a belt 42, and a plate positioning part 43.
- the squeegee holding part 5 includes a traveling direction restricting part 51, a pressing direction restricting part 52, a connecting part 53, a rotation support part 54, a plunger part 55, and an air cylinder 56. Contains. As shown in FIG.
- the squeegee detection unit 8 includes a light projecting unit 8a and a light receiving unit 8b.
- the pressing direction restricting portion 52 is an example of the “restricting portion” in the present invention
- the air cylinder 56 is an example of the “pressing force generating mechanism” in the present invention.
- the pressing direction restricting portion 52 includes a squeegee lock portion 521, a rotation support recessed portion 522, plunger engaging holes 523 and 524, and a blocking pin 525.
- An air pressure generator 561 and a regulator 562 are connected to the air cylinder 56.
- the blocking pin 525 is an example of the “switching unit” in the present invention.
- an operator operating portion is formed in the upper portion, and an operating lever having a substantially L-shaped cross section is provided.
- the plate 2 is configured so that the flux can be expanded and expanded.
- the plate 2 is formed to extend in the A direction parallel to the sliding direction of the squeegee 3.
- the recess 21 of the plate 2 is recessed by a predetermined depth. As a result, the flux extends and spreads in the recess 21 at a substantially uniform height.
- the squeegee 3 is configured to slide so as to smooth the flux on the plate 2. Specifically, the squeegee 3 is configured to move in the A direction (A1 direction and A2 direction) while being pressed in the B direction (B2 direction) and in contact with the plate 2. As shown in FIG. 4, a pair of squeegee portions 31 of the squeegee 3 are provided in the A1 direction and the A2 direction. The pair of squeegee portions 31 are connected by a pair of wall portions 32 provided at both ends in the horizontal direction orthogonal to the A direction. That is, the pair of squeegee portions 31 and the pair of wall portions 32 are connected in a frame shape. The squeegee unit 31 is configured to smooth the flux on the plate 2 in the traveling direction (A1 direction or A2 direction) by sliding.
- the plate-like portion 33 is provided on the outside of the pair of wall portions 32.
- the pair of plate-like portions 33 are provided with sliding direction regulating pins 34 and pressing portions 35, respectively.
- the sliding direction regulating pin 34 is provided so as to protrude outward from the plate-like portion 33.
- the sliding direction regulating pin 34 is configured to contact the traveling direction regulating unit 51 of the squeegee holding unit 5 and transmit a force in the sliding direction (traveling direction) to the squeegee 3.
- the pressing part 35 is provided so as to protrude outward from the plate-like part 33.
- the pressing part 35 is configured to engage with the pressing direction restricting part 52 of the squeegee holding part 5 and transmit force (pressing force) in the pressing direction (B2 direction) to the squeegee 3.
- the base part 4 is configured to move the squeegee 3 through the squeegee holding part 5 while the plate 2 is installed.
- the belt 42 is driven by the motor 41 of the base unit 4.
- the belt 42 contacts the squeegee holding part 5 and moves the squeegee holding part 5 in the A direction.
- the plate 2 is positioned by the plate positioning portion 43 of the base portion 4, and the plate 2 is installed on the base portion 4.
- the squeegee holding unit 5 is configured such that the squeegee 3 is installed. Specifically, the squeegee holding unit 5 is configured to hold the squeegee 3. The squeegee holding part 5 is configured to restrict movement in the B direction parallel to the pressing direction of the squeegee 3 and restrict movement in the A direction parallel to the traveling direction (sliding direction) of the squeegee 3.
- the traveling direction restricting portion 51 of the squeegee holding portion 5 is configured to restrict movement in the A direction parallel to the sliding direction of the squeegee 3.
- a pair of traveling direction restricting portions 51 are provided so as to face each other in the horizontal direction orthogonal to the A direction. That is, a pair of traveling direction restricting portions 51 are provided so as to sandwich the squeegee 3. Further, the traveling direction restricting portion 51 is fixed to the base portion 5a.
- the advancing direction control part 51 has the slit shape by which the upper direction (B1 direction) was open
- the sliding direction regulating pin 34 of the squeegee 3 is sandwiched in the slit shape of the traveling direction regulating portion 51.
- the sliding direction regulating pin 34 abuts on the traveling direction regulating portion 51 in the A direction, whereby movement of the squeegee 3 (sliding direction regulating pin 34) in the sliding direction is regulated. Accordingly, when the squeegee holding unit 5 is moved in the A direction, the squeegee 3 is also moved (slided) in the A direction.
- the pressing direction restricting portion 52 is configured to restrict movement in the B direction (B1 direction) parallel to the pressing direction of the squeegee 3 against the plate 2.
- a pair of pressing direction restricting portions 52 are provided so as to face each other in the horizontal direction orthogonal to the A direction. That is, a pair of pressing direction restricting portions 52 are provided so as to sandwich the squeegee 3.
- the pressing direction restricting portion 52 is provided separately from the traveling direction restricting portion 51.
- the squeegee 3 is configured to be moved and removed in the B direction (B1 direction) in a state where the restriction of the pressing direction restriction portion 52 is released.
- the pressing direction restricting portion 52 is configured to move along the A direction (horizontal direction) with respect to the squeegee 3 and restrict the movement of the squeegee 3 in the B direction (vertical direction).
- the pair of pressing direction restricting parts 52 are connected to each other by a connecting part 53. Further, the pressing direction restricting portion 52 is rotatably supported by the rotation supporting portion 54.
- the pressing direction restricting portion 52 rotates around the rotation supporting portion 54, whereby the squeegee lock portion 521 moves along the A direction and locks the squeegee 3 (restricts movement in the B1 direction).
- the squeegee lock portion 521 moves along the A direction and locks the squeegee 3 (restricts movement in the B1 direction).
- a pair of press direction control part 52 is connected by the connection part 53, if one press direction control part 52 is moved along A direction, the other press direction control part 52 will also be A similarly. Move along the direction.
- the squeegee lock portion 521 of the pressing direction restricting portion 52 is configured to engage with the pressing portion 35 of the squeegee 3 to restrict the movement of the squeegee 3 in the B direction and to transmit the pressing force to the squeegee 3. .
- An inclined portion 521a (see FIG. 6) is formed at the tip portion of the squeegee lock portion 521 that engages with the pressing portion 35 and is inclined with the size in the B direction changing along the A direction. Further, the squeegee lock portion 521 of the pressing direction restricting portion 52 is configured to ride on the pressing portion 35 to lock the squeegee 3 (to restrict movement in the B direction).
- the rotation support recess 522 of the pressing direction restricting portion 52 is formed in a notch shape so as to be supported by the rotation support portion 54.
- the pressing direction restricting portion 52 is configured such that the rotation support recess 522 contacts the rotation support portion 54 when the lock of the squeegee 3 is released (the restriction in the B direction is released). That is, when the lock of the squeegee 3 by the pressing direction restricting portion 52 is released, the pressing direction restricting portion 52 rotates around the rotation support portion 54.
- the rotation support recess 522 is configured to be separated from the rotation support portion 54 in the B direction (B1 direction).
- Plunger-engagement holes 523 and 524 of the pressing direction restricting portion 52 are configured to engage with the plunger portion 55 and suppress movement (turning) along the A direction of the pressing direction restricting portion 52. Yes. That is, when the pressing direction restricting portion 52 restricts the movement of the squeegee 3 in the B direction, the plunger portion 55 engages with the plunger engaging hole 523 and the pressing direction restricting portion 52 moves in the A direction. To regulate. Further, when the pressing direction restricting portion 52 releases the restriction of the movement of the squeegee 3 in the B direction, the plunger portion 55 engages with the plunger engaging hole 524 and the A direction of the pressing direction restricting portion 52 is determined. Regulate the movement of
- two blocking pins 525 are provided on one side of the pair of pressing direction restricting portions 52.
- the blocking pins 525 are arranged on the upper side (B1 direction side) of the connecting portion 53 at a predetermined interval.
- the blocking pin 525 is configured to switch the arrival of light (visible light or infrared light) from the light projecting unit 8a to the light receiving unit 8b.
- the blocking pin 525 is configured to pass or block light (visible light or infrared light) from the light projecting unit 8a to the light receiving unit 8b.
- the blocking pin 525 corresponds to a restricted state where the movement of the squeegee 3 by the pressing direction restricting portion 52 is restricted and a released state where the restriction of the movement of the squeegee 3 by the pressing direction restricting portion 52 is released. It is configured to switch the arrival of light from the light projecting unit 8a to the light receiving unit 8b.
- the blocking pin 525 moves so that the arrival of light from the light projecting unit 8a to the light receiving unit 8b is switched. It is configured.
- the pressing direction restricting portion 52 contacts the rotation support portion 54, and in the restricted state, the pressing direction restricting portion 52 moves away from the rotation support portion 54, thereby 525 is configured to move.
- the air cylinder 56 is connected to the pressing direction restricting portion 52 and is configured to generate a pressing force against the plate 2 of the squeegee 3. Specifically, the air cylinder 56 is configured to urge the connecting portion 53 that connects the pressing direction regulating portion 52 in the pressing direction (B2 direction). The air cylinder 56 is configured to generate a pressing force of the squeegee 3 by being driven by the air pressure generated by the air pressure generator 561. The air pressure generated by the air pressure generator 561 is adjusted to a desired pressure via the regulator 562. That is, by operating the regulator 562, the pressing force of the squeegee 3 against the plate 2 is adjusted. For example, the pressing force is adjusted based on the viscosity information of the flux to be applied.
- the flux discharge unit 6 is configured to supply the flux onto the plate 2. Specifically, the flux discharge part 6 is configured to supply flux into a frame formed by the squeegee part 31 and the wall part 32 of the squeegee 3.
- the sensor 7 is configured to measure the amount of flux in the frame of the squeegee 3.
- the sensor 7 includes, for example, an ultrasonic sensor.
- the squeegee detection unit 8 is configured to detect whether or not the squeegee 3 is installed. Specifically, the squeegee detection unit 8 is configured to detect that the squeegee 3 is installed and the movement of the squeegee 3 is restricted (locked) by the pressing direction restriction unit 52. . That is, as shown in FIG. 6, when the squeegee 3 is locked by the pressing direction restricting portion 52 (movement in the B direction is restricted), the light of the light projecting portion 8a is detected by the light receiving portion 8b. Thereby, a state in which the squeegee 3 is locked by the squeegee holding unit 5 is detected.
- the motor 41 may not be driven and may remain stopped.
- the switch for starting the automatic operation of the component mounting apparatus 100 is pressed. Automatic operation may not be started even if an operation is performed.
- a warning indicating that the state is abnormal may be displayed on a monitor (not shown).
- forgetting to install the squeegee 3 can be prevented by providing the squeegee detecting unit 8 that detects whether or not the squeegee 3 is installed as described above. Thereby, it can suppress that a flux leaks in an apparatus by replenishing a flux in the state where the squeegee 3 is not installed.
- the squeegee detection unit 8 is configured to detect that the squeegee 3 is installed and the movement of the squeegee 3 is regulated by the pressing direction regulating unit 52. Accordingly, forgetting to restrict the movement of the squeegee 3 by the pressing direction restricting portion 52 can be prevented, so that the squeegee 3 is separated from the plate 2 due to forgetting to restrict the squeegee 3 of the pressing direction restricting portion 52. Can be suppressed.
- the blocking pin 525 is released when the restriction state in which the movement of the squeegee 3 is restricted by the pressing direction restricting portion 52 and the restriction of the movement of the squeegee 3 by the pressing direction restricting portion 52 are released. According to the state, it is configured to switch the arrival of light from the light projecting unit 8a to the light receiving unit 8b. Thereby, it is possible to easily detect that the squeegee 3 is installed and in a restricted state by transmitting or blocking the light from the light projecting unit 8a by the blocking pin 525.
- the blocking pin 525 moves when the restricted state and the released state of the pressing direction restricting portion 52 are switched, so that the light from the light projecting portion 8a reaches the light receiving portion 8b. Configure to be switched. Thereby, since the blocking pin 525 can be moved in conjunction with switching between the restricted state and the released state by the pressing direction restricting unit 52, the light from the light projecting unit 8a can be moved according to the restricted state and the released state. Can be easily switched by the blocking pin 525.
- the pressing direction restricting portion 52 is in contact with the rotation support portion 54 in the release state, and the pressing direction restricting portion 52 moves away from the rotation support portion 54 in the restriction state.
- the blocking pin 525 is configured to move.
- the pressing force by the air cylinder 56 is generated.
- the pressing force can be applied in a state where the movement of the squeegee 3 is restricted by the pressing direction restricting portion 52, the pressing force can be reliably applied to the squeegee 3.
- the restriction of the squeegee 3 by the pressing direction restricting portion 52 is turned on / off, the pressing direction restricting portion 52 can be easily moved by not generating the pressing force by the air cylinder 56. Regulations can be easily turned on / off.
- the flux is not replenished from the flux discharge unit 6.
- flux since flux is replenished when the squeegee 3 is installed, it can suppress that a flux leaks in an apparatus.
- a flux supply apparatus 200 according to the second embodiment of the present invention will be described with reference to FIGS.
- a configuration in which two squeegee detectors 241 and 242 are provided will be described, unlike the first embodiment in which a single squeegee detector 8 is provided.
- the flux supply device 200 includes a plate 210, a squeegee 220, a squeegee holding unit 230, and squeegee detection units 241 and 242.
- the flux supply device 200 is an example of the “viscous fluid supply device” and the “viscous fluid supply unit” in the present invention.
- the plate 210 includes a recess 211.
- the squeegee 220 includes a pair of squeegee parts 221, a pair of connecting parts 222, a pair of plate-like parts 223, a pair of sliding direction regulating pins 224, and a pair of pressing parts 225.
- the squeegee holding part 230 includes a travel direction restricting part 231, a pressing direction restricting part 232, a spring 233, and a contact part 234.
- the squeegee detecting unit 241 includes a light projecting unit 241a and a light receiving unit 241b.
- the squeegee detection unit 242 includes a light projecting unit 242a and a light receiving unit 242b.
- the contact portion 234 is an example of the “switching portion” in the present invention.
- the plate 210 is configured such that the flux is stretched and spread.
- the plate 210 is formed to extend in the A direction parallel to the sliding direction of the squeegee 220.
- the concave portion 211 of the plate 210 is recessed by a predetermined depth. As a result, the flux is expanded and spread in the recess 211 at a substantially uniform height.
- the plate 210 is configured to move in the A direction (A1 direction and A2 direction).
- the squeegee 220 is configured to slide so as to smooth the flux on the plate 210.
- the plate 210 is configured to move in the A direction (A1 direction and A2 direction) while the squeegee 220 is pressed in the B direction (B2 direction). That is, the squeegee 220 moves relative to the plate 210 in the A direction.
- a pair of squeegee portions 221 of the squeegee 220 are provided in the A1 direction and the A2 direction.
- the pair of squeegee portions 221 are connected by a pair of connecting portions 222 provided at both ends in a direction orthogonal to the A direction.
- weir portions 221a see FIG.
- the squeegee unit 221 is configured to smooth the flux on the plate 210 in the relative traveling direction (A1 direction or A2 direction) by moving and sliding relative to the plate 210.
- the plate-like portions 223 are provided on the outer sides of the pair of connecting portions 222, respectively.
- the pair of plate-like portions 223 are provided with a sliding direction regulating pin 224 and a pressing portion 225, respectively.
- the sliding direction regulating pin 224 is provided so as to protrude outward from the plate-like portion 223.
- the sliding direction regulating pin 224 is configured to abut against the traveling direction regulating unit 231 of the squeegee holding unit 230 and regulate movement of the squeegee 220 in the sliding direction (traveling direction).
- the pressing part 225 is provided so as to protrude outward from the plate-like part 223.
- the pressing unit 225 is configured to engage with the pressing direction restricting unit 232 of the squeegee holding unit 230 and transmit a force (pressing force) in the pressing direction (B2 direction) to the squeegee 220.
- the squeegee holding unit 230 is configured such that the squeegee 220 is installed. Specifically, the squeegee holding unit 230 is configured to hold the squeegee 220. The squeegee holding unit 230 is configured to restrict movement in the B direction parallel to the pressing direction of the squeegee 220 and restrict movement in the A direction parallel to the sliding direction (relative traveling direction) of the squeegee 220. ing.
- the squeegee holding part 230 is fixed at a predetermined position in the A direction. Specifically, the squeegee holding unit 230 is configured such that the holding unit 230b does not move in the A direction (horizontal direction) with respect to the base 230a. On the other hand, the holding part 230b is configured to move in the B1 direction (upward) with respect to the base 230a.
- the traveling direction restricting portion 231 of the squeegee holding portion 230 is configured to restrict movement in the A direction parallel to the sliding direction of the squeegee 220.
- a pair of travel direction restricting portions 231 are provided so as to face each other in the horizontal direction orthogonal to the A direction. That is, a pair of traveling direction restricting portions 231 is provided so as to sandwich the squeegee 220.
- the traveling direction restricting portion 231 is fixed to the base 230a.
- the advancing direction control part 231 has the slit shape by which the upper direction (B1 direction) was open
- the sliding direction regulating pin 224 of the squeegee 220 is sandwiched in the slit shape of the traveling direction regulating portion 231. Then, when the sliding direction restriction pin 224 contacts the traveling direction restriction portion 231 in the A direction, movement of the squeegee 220 (sliding direction restriction pin 224) in the sliding direction is restricted.
- the pressing direction restricting portion 232 is configured to restrict movement of the squeegee 220 in the B direction (B1 direction) parallel to the pressing direction of the plate 210.
- a pair of pressing direction restricting portions 232 are provided so as to face each other in the horizontal direction orthogonal to the A direction. That is, a pair of pressing direction restricting portions 232 is provided so as to sandwich the squeegee 220.
- the pressing direction restricting portion 232 is provided separately from the traveling direction restricting portion 231.
- the squeegee 220 is configured to be moved and removed in the B direction (B1 direction) in a state where the restriction of the pressing direction restriction portion 232 is released.
- the pressing direction restricting portion 232 is configured to move in parallel with the squeegee 220 along the A direction (horizontal direction) and restrict the movement of the squeegee 220 in the B1 direction (upward direction).
- An inclined portion 232a is formed at the tip portion of the pressing direction restricting portion 232 that engages with the pressing portion 225 and is inclined with the size in the B direction changing along the A direction. Further, the pressing direction restricting portion 232 is configured to ride on the pressing portion 225 and lock the squeegee 220 (to restrict movement in the B direction). That is, as shown in FIG. 11, when the squeegee 220 is locked by the pressing direction restricting portion 232 (movement in the B direction is restricted), the holding portion 230b (contact portion 234) is lifted from the base 230a.
- the spring 233 is connected to the pressing direction restricting portion 232 and is configured to generate a pressing force against the plate 210 of the squeegee 220. Specifically, the spring 233 is configured to urge the holding portion 230b in contact with the pressing direction regulating portion 232 in the pressing direction (B2 direction).
- the contact portion 234 is configured to contact the base 230a. Further, the abutting portion 234 is provided at the lower portion (B2 direction side) of the holding portion 230b.
- the contact portion 234 is configured to switch the arrival of light (visible light or infrared light) from the light projecting portion 241a to the light receiving portion 241b.
- the contact part 234 is configured to pass or block light (visible light or infrared light) from the light projecting part 241a to the light receiving part 241b.
- the contact portion 234 depends on a restricted state where the movement of the squeegee 220 is restricted by the pressing direction restricting portion 232 and a released state where the restriction on the movement of the squeegee 220 by the pressing direction restricting portion 232 is released.
- the light from the light projecting unit 241a is switched to reach the light receiving unit 241b.
- the arrival of the light from the light projecting portion 241a to the light receiving portion 241b is switched by the contact portion 234 moving. It is configured as follows.
- the squeegee detection unit 241 is configured to detect whether or not the squeegee 220 is installed. Specifically, the squeegee detection unit 241 is configured to detect that the squeegee 220 is installed and the movement of the squeegee 220 is regulated (locked) by the pressing direction regulating unit 232. .
- the squeegee detection unit 242 is configured to detect whether or not the squeegee 220 is installed. Specifically, as shown in FIG. 9, when the squeegee 220 is installed, the light of the light projecting unit 242a is not detected by the light receiving unit 242b. That is, the light from the light projecting unit 242a is blocked by the squeegee 220 and does not reach the light receiving unit 242b. On the other hand, when the squeegee 220 is not installed, the light from the light projecting unit 242a is detected by the light receiving unit 242b. That is, the light from the light projecting unit 242a reaches the light receiving unit 242b without being blocked.
- the component mounting apparatus 100 It is also possible to keep the squeegee 3 stopped without moving it even when the squeegee 3 moves relatively in the direction A by the movement of the plate 210 during automatic operation.
- an operation such as pressing a switch for starting the automatic operation of the component mounting apparatus 100 is performed.
- automatic operation may not be started.
- a warning display indicating that the state is abnormal may be displayed on a monitor (not shown).
- forgetting to install the squeegee 220 can be prevented by providing the squeegee detection units 241 and 242 that detect the presence or absence of the squeegee 220 as in the first embodiment. Thereby, it can suppress that a flux leaks in an apparatus by replenishing a flux in the state where the squeegee 220 is not installed.
- the viscous fluid coating apparatus of the present invention is applied to a flux coating apparatus
- the present invention is not limited to this. You may apply the viscous fluid application apparatus of this invention to the apparatus which apply
- the viscous fluid application apparatus of the present invention may be applied to an apparatus for applying a viscous fluid such as solder or silver paste.
- the present invention is not limited to this.
- the present invention may be applied when a package part having a BGA (ball grid array) is mounted by PoP (package on package).
- the component mounting apparatus of the present invention may be applied to a flip chip bonder, or may be applied to a component mounting apparatus that mounts components supplied from a tape feeder or a tray.
- the present invention is not limited to this.
- a hydraulic cylinder, a solenoid, a linear motor, or the like may be used as the pressing force generation mechanism.
- the present invention is not limited to this.
- a manual valve, a solenoid valve, a pressure variable mechanism, a current control unit, a servo controller, or the like may be used as the pressing force adjustment mechanism.
- the present invention is not limited to this.
- the squeegee detection unit detects the light from the light projecting unit by the light receiving unit and detects the presence / absence of the squeegee and the regulated state. Is not limited to this.
- the squeegee detection unit may detect the presence / absence of the squeegee and the regulation state using light other than light.
- the squeegee detection unit may detect the presence / absence of the squeegee and the regulation state using sound (ultrasound) or radio waves.
- the squeegee detection unit may detect the presence / absence of the squeegee and the regulation state using a mechanical switch. Further, the squeegee detection unit may use a transmission type sensor or a reflection type sensor.
- the present invention is not limited to this.
- one blocking pin may be provided, or three or more blocking pins may be provided. Further, light from the light projecting unit may be blocked by a member other than the blocking pin.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
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Abstract
Description
(部品実装装置の構成)
図1および図2を参照して、本発明の第1実施形態による部品実装装置100の構造について説明する。
次に、図2を参照して、部品実装装置100による電子部品の実装動作について説明する。
図3~図8を参照して、本発明の第1実施形態によるフラックス供給装置1の構造について説明する。
第1実施形態では、以下のような効果を得ることができる。
図9~図12を参照して、本発明の第2実施形態によるフラックス供給装置200について説明する。この第2実施形態では、1つのスキージ検出部8が設けられている構成の上記第1実施形態とは異なり、2つのスキージ検出部241および242が設けられている構成について説明する。
図9に示すように、フラックス供給装置200は、プレート210と、スキージ220と、スキージ保持部230と、スキージ検出部241および242とを備えている。なお、フラックス供給装置200は、本発明の「粘性流体供給装置」および「粘性流体供給部」の一例である。
第2実施形態では、以下のような効果を得ることができる。
なお、今回開示された実施形態は、すべての点で例示であって制限的なものではないと考えられるべきである。本発明の範囲は、上記した実施形態の説明ではなく特許請求の範囲によって示され、さらに特許請求の範囲と均等の意味および範囲内でのすべての変更(変形例)が含まれる。
2、210 プレート
3、220 スキージ
5、230 スキージ保持部
6 フラックス吐出部(補充部)
8、241、242 スキージ検出部
8a、241a、242a 投光部
8b、241b、242b 受光部
14 実装部
52、232 押圧方向規制部(規制部)
54 回動支持部
56 エアシリンダ(押圧力発生機構)
100 部品実装装置
234 当接部(切替部)
525 遮断ピン(切替部)
C ベアチップ(部品)
S 基板
Claims (8)
- 粘性流体が伸び広げられるプレートと、
前記プレート上の粘性流体をならすように摺動するスキージと、
前記スキージが設置されるスキージ保持部と、
前記スキージの設置の有無を検出するスキージ検出部とを備える、粘性流体供給装置。 - 前記スキージ保持部は、前記スキージの前記プレートに対する押圧方向と平行な方向の移動を規制する規制部を含み、
前記スキージ検出部は、前記スキージが設置され、かつ、前記規制部により前記スキージの移動が規制されていることを検出するように構成されている、請求項1に記載の粘性流体供給装置。 - 前記スキージ検出部は、投光部と受光部とを含み、
前記スキージ保持部は、前記投光部からの光の前記受光部への到達を切り替える切替部を含み、
前記切替部は、前記規制部による前記スキージの移動が規制されている規制状態と、前記規制部による前記スキージの移動の規制が解除されている解除状態とに応じて、前記投光部からの光の前記受光部への到達を切り替えるように構成されている、請求項2に記載の粘性流体供給装置。 - 前記規制部の規制状態と解除状態とが切り替えられる際に、前記切替部が移動することにより、前記投光部からの光の前記受光部への到達が切り替えられるように構成されている、請求項3に記載の粘性流体供給装置。
- 前記スキージ保持部は、前記規制部を回動可能に支持する回動支持部をさらに含み、
解除状態の場合、前記規制部が前記回動支持部に接するとともに、規制状態の場合、前記規制部が前記回動支持部から離間するように移動することにより、前記切替部が移動するように構成されている、請求項4に記載の粘性流体供給装置。 - 前記規制部に接続されるとともに、前記スキージの前記プレートに対する押圧力を発生させる押圧力発生機構をさらに備え、
前記規制部による前記スキージの移動が規制されていることを前記スキージ検出部により検出した場合に、前記押圧力発生機構による押圧力が発生されるように構成されている、請求項2~5のいずれか1項に記載の粘性流体供給装置。 - 前記プレートに粘性流体を補充する補充部をさらに備え、
前記スキージ検出部により前記スキージが設置されていることを検出しない場合、前記補充部から粘性流体が補充されないように構成されている、請求項1~6のいずれか1項に記載の粘性流体供給装置。 - 基板に部品を実装する実装部と、
前記部品に粘性流体を供給する粘性流体供給部とを備え、
前記粘性流体供給部は、
粘性流体が伸び広げられるプレートと、
前記プレート上の粘性流体をならすように摺動するスキージと、
前記スキージが設置されるスキージ保持部と、
前記スキージの設置の有無を検出するスキージ検出部とを含む、部品実装装置。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/061994 WO2016170573A1 (ja) | 2015-04-20 | 2015-04-20 | 粘性流体供給装置および部品実装装置 |
| CN201580078955.1A CN107530727B (zh) | 2015-04-20 | 2015-04-20 | 粘性流体供给装置以及元件安装装置 |
| DE112015006471.0T DE112015006471T5 (de) | 2015-04-20 | 2015-04-20 | Zuführvorrichtung für ein viskoses Fluid und Bauelementbestückungsvorrichtung |
| KR1020177027653A KR102000008B1 (ko) | 2015-04-20 | 2015-04-20 | 점성 유체 공급 장치 및 부품 실장 장치 |
| JP2017513843A JP6450455B2 (ja) | 2015-04-20 | 2015-04-20 | 粘性流体供給装置および部品実装装置 |
| TW105103851A TWI584883B (zh) | 2015-04-20 | 2016-02-04 | Viscous fluid supply device and part mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/061994 WO2016170573A1 (ja) | 2015-04-20 | 2015-04-20 | 粘性流体供給装置および部品実装装置 |
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| Publication Number | Publication Date |
|---|---|
| WO2016170573A1 true WO2016170573A1 (ja) | 2016-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2015/061994 Ceased WO2016170573A1 (ja) | 2015-04-20 | 2015-04-20 | 粘性流体供給装置および部品実装装置 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP6450455B2 (ja) |
| KR (1) | KR102000008B1 (ja) |
| CN (1) | CN107530727B (ja) |
| DE (1) | DE112015006471T5 (ja) |
| TW (1) | TWI584883B (ja) |
| WO (1) | WO2016170573A1 (ja) |
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| CN114953595A (zh) * | 2022-05-17 | 2022-08-30 | 亳州市裕同印刷包装有限公司 | 刮刀机构及刮楞设备 |
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| WO2018154760A1 (ja) * | 2017-02-27 | 2018-08-30 | ヤマハ発動機株式会社 | 部品実装装置 |
| DE112018007151T5 (de) * | 2018-05-23 | 2020-11-05 | Yamaha Hatsudoki Kabushiki Kaisha | Vorrichtung zum Bestimmen einer Trägerelementanordnung und Verfahren zum Bestimmen einer Trägerelementanordnung |
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2015
- 2015-04-20 CN CN201580078955.1A patent/CN107530727B/zh active Active
- 2015-04-20 WO PCT/JP2015/061994 patent/WO2016170573A1/ja not_active Ceased
- 2015-04-20 JP JP2017513843A patent/JP6450455B2/ja active Active
- 2015-04-20 KR KR1020177027653A patent/KR102000008B1/ko active Active
- 2015-04-20 DE DE112015006471.0T patent/DE112015006471T5/de active Granted
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2016
- 2016-02-04 TW TW105103851A patent/TWI584883B/zh active
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| JP2001302134A (ja) * | 2000-04-18 | 2001-10-31 | Mitsubishi Electric Corp | エレベーターの保守運転装置 |
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| JP2013078433A (ja) * | 2011-10-03 | 2013-05-02 | Panasonic Corp | 監視装置、プログラム |
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| Publication number | Publication date |
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| DE112015006471T5 (de) | 2017-12-28 |
| KR20170125910A (ko) | 2017-11-15 |
| KR102000008B1 (ko) | 2019-07-15 |
| TW201637727A (zh) | 2016-11-01 |
| JPWO2016170573A1 (ja) | 2017-11-16 |
| TWI584883B (zh) | 2017-06-01 |
| CN107530727B (zh) | 2019-07-26 |
| JP6450455B2 (ja) | 2019-01-09 |
| CN107530727A (zh) | 2018-01-02 |
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