WO2021070355A1 - スクリーン印刷機 - Google Patents
スクリーン印刷機 Download PDFInfo
- Publication number
- WO2021070355A1 WO2021070355A1 PCT/JP2019/040207 JP2019040207W WO2021070355A1 WO 2021070355 A1 WO2021070355 A1 WO 2021070355A1 JP 2019040207 W JP2019040207 W JP 2019040207W WO 2021070355 A1 WO2021070355 A1 WO 2021070355A1
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- WO
- WIPO (PCT)
- Prior art keywords
- stencil sheet
- sheet
- screen printing
- printing machine
- holder
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0881—Machines for printing on polyhedral articles
Definitions
- the present disclosure relates to a screen printing machine that prints a paste such as solder on a substrate by sliding a printing head on a stencil sheet.
- a screen printing machine that screen-prints a conductive paste such as solder on the electrodes of a substrate.
- the paste supplied on the stencil is transferred to the substrate by bringing the stencil (mask) into contact with the substrate and sliding the squeegee of the print head on the stencil.
- the stencil is composed of a stencil sheet (mask body) provided with pattern holes corresponding to electrodes on the substrate, and a stencil frame (mask frame) that supports the periphery of the stencil sheet.
- Patent Document 1 describes a stencil composed of a stencil frame in which a resin sheet-like member is further attached to the outer edge of the stencil sheet to support the outer edge of the sheet-like member. The operator attaches the stencil frame to the stencil holder and performs screen printing.
- Patent Document 2 describes a screen printing machine in which an operator attaches a stencil sheet to a stencil holder.
- Patent Document 1 discloses a screen printing machine to which a stencil sheet without a frame can be attached and detached, but the stencil sheet needs to be replaced by an operator.
- an object of the present disclosure is to provide a screen printing machine capable of automatically exchanging a stencil sheet in order to solve the above-mentioned conventional problems.
- the screen printing machine of the present disclosure is A magazine that stores a stencil sheet with an opening corresponding to the electrodes on the substrate, A sheet holder that detachably holds the edge of the stencil sheet and A transport device that transports the stencil sheet between the magazine and the sheet holder, and A printing head that fills the opening with the paste placed on the stencil sheet held in the sheet holder. To be equipped.
- Top view of the main part of the screen printing machine according to the embodiment of the present disclosure A perspective view of a main part of a screen printing machine according to an embodiment of the present disclosure.
- Plan view of stencil sheet Perspective view of the moving body View from below the stencil holder (A) is a plan view of the stencil holder, and (b) is a side view of the connecting member.
- a magazine for accommodating a stencil sheet having an opening corresponding to an electrode on a substrate, a sheet holder for detachably holding the edge of the stencil sheet, and the magazine and the sheet holder.
- a screen printing machine including a transport device for transporting the stencil sheet and a printing head for filling the opening with a paste placed on the stencil sheet held in the sheet holder.
- the transfer device conveys the stencil sheet below the sheet holder, and the sheet holder attaches / detaches the stencil sheet to / from the lower part of the sheet holder.
- the screen printing machine described in the above is provided.
- the sheet holder provides the screen printing machine according to the first or second aspect, which clamps the stencil sheet by applying tension in the plane direction.
- the screen printing according to the second or third aspect comprising a lift for moving the seat holder between a lower clamp position for clamping the stencil sheet and an upper standby position. Provide an opportunity.
- the stencil sheet has a plurality of holes formed along the outer edge
- the sheet holder has a plurality of protrusions protruding downward
- the sheet by the lift is inserted into the plurality of holes of the stencil sheet by moving the holder to the clamp position.
- the seat holder has an actuator that applies tension to the stencil sheet by moving the plurality of protrusions outward in the surface direction.
- the screen printing machine described is provided.
- the actuator provides the screen printing machine according to the sixth aspect, which is an air cylinder operated by pneumatic pressure.
- the actuator is a first air cylinder that moves protrusions inserted into holes formed in a set of parallel outer edges of a stencil sheet outward in the plane direction.
- a second air cylinder that moves a protrusion inserted into a hole formed in another set of outer edges toward the outside in a plane direction orthogonal to the movement direction of the first air cylinder.
- the eighth aspect includes a seat holder drive unit that separately adjusts the air pressure supplied to the first air cylinder and the air pressure supplied to the second air cylinder.
- the screen printing machine described is provided.
- the transport device has a holding portion for holding the stencil sheet intersecting in the transport direction, and a moving body that transports the stencil sheet in the transport direction and a moving body of the stencil sheet.
- the screen printing machine according to any one of the first to ninth aspects, comprising a pair of guide rails arranged along a conveying direction and supporting a stencil sheet conveyed by the moving body from below. To do.
- the holding unit provides the screen printing machine according to the tenth aspect, which has an adsorption unit for adsorbing the stencil sheet.
- the holding portion holds a portion of the stencil sheet exposed from between the pair of guide rails from below, and the moving body moves the holding portion in the vertical direction up and down.
- the screen printing machine according to the eleventh aspect which has a directional drive unit.
- the holding portion has an upper surface that contacts the lower surface of the stencil sheet and a pin that protrudes upward from the upper surface, and the suction portion opens on the upper surface.
- the holding portion at least two suction portions are provided at intervals in the transport direction, and the pins are arranged between the two suction portions, according to the thirteenth aspect.
- the screen printing machine described is provided.
- the guide rail is any one of the tenth to fourteenth aspects, which has a relief portion for avoiding interference with a protrusion protruding downward from the seat holder.
- the screen printing machine described in the above is provided.
- FIG. 1 is a plan view of a main part of the screen printing machine 1.
- FIG. 2 is a perspective view of a main part of the screen printing machine 1.
- FIG. 3 is a side view of a main part of the screen printing machine 1.
- FIG. 4 is a plan view of the stencil sheet 15.
- the screen printing machine 1 conveys the stencil sheet 15 stored in the magazine 81 to the attachment / detachment position Pa of the sheet holder 14, and attaches the stencil sheet 15 to the sheet holder 14 at the attachment / detachment position Pa. Further, the screen printing machine 1 brings the stencil sheet 15 into contact with the substrate 2 and screen-prints a paste such as solder on each of a large number of electrodes 3 provided on the substrate 2.
- the transport direction of the stencil sheet 15 is the X-axis direction (front-back direction)
- the moving direction of the substrate 2 is the Y-axis direction (horizontal direction)
- the vertical direction is the Z-axis direction.
- the X-axis direction, the Y-axis direction, and the Z-axis direction are orthogonal to each other.
- the operator who operates the screen printing machine 1 is usually located on the side in which the stencil sheet 15 is pulled out from the magazine 81 (X-axis direction), and here, the side on which the operator is located is in front of the screen printing machine 1.
- the side on which the magazine 81 is arranged on the opposite side is the rear side of the screen printing machine 1.
- the screen printing machine 1 includes a base 10, a unit moving mechanism 12A, a substrate holding unit 12, a magazine 81, a sheet holder 14, a conveying device 51, a printing head 16, and a control unit 19.
- the magazine 81 stores a plurality of sheet-shaped stencil sheets 15.
- the seat holder 14 is arranged above the substrate holding unit 12.
- the transport device 51 transports the stencil sheet 15 in the section from the magazine 81 to the attachment / detachment position Pa.
- the print head 16 is provided above the sheet holder 14.
- the control unit 19 controls the operation of each unit of the screen printing machine 1.
- the screen printing machine 1 includes a substrate loading conveyor 11, a substrate holding unit 12, and a substrate unloading conveyor 13 provided on the base 10.
- the screen printing machine 1 includes a cover 10a that covers the upper part of the base 10, and the main components such as the unit moving mechanism 12A, the substrate holding unit 12, the sheet holder 14, the conveying device 51, and the printing head 16 are covered by the cover 10a. It is located in the enclosed space.
- the control unit 19 is housed inside the base 10.
- the substrate carry-in conveyor 11 carries in the substrate 2 input from the outside of the screen printing machine 1 through the carry-in inlet 8 of the cover 10a (arrows R1 shown in FIGS. 1 and 2 and 3), and delivers the substrate 2 to the substrate holding unit 12.
- the substrate unloading conveyor 13 carries out the substrate 2 received from the substrate holding unit 12 to the outside of the screen printing machine 1 through the carry-out port 9 of the cover 10a (arrows R2 shown in FIGS. 1 and 2 and 3).
- the substrate 2 is conveyed in the order of the substrate loading conveyor 11, the substrate holding unit 12, and the substrate unloading conveyor 13.
- the board holding unit 12 includes a unit base 21, a pair of conveyors 22, a lower receiving portion 24, and a pair of board holders 25.
- the unit base 21 is supported by the unit moving mechanism 12A.
- the unit moving mechanism 12A is an XYZ ⁇ table, and the substrate holding unit 12 is moved in a horizontal plane (inside the XY plane) or in the Z-axis direction, and rotated in the ⁇ direction (around the Z-axis).
- the pair of conveyors 22 are attached to the unit base 21.
- the lower receiving portion 24 is raised and lowered by an elevating cylinder 23 provided on the unit base 21, and both ends of the substrate 2 conveyed and positioned at a predetermined working position (position shown in FIG. 2) by the conveyor 22 are upward from the conveyor 22.
- the substrate 2 is lifted and supported from below so as to be separated from each other.
- the pair of substrate holders 25 are provided so as to be openable and closable in the X-axis direction, and are opened and closed by an actuator (not shown).
- the pair of substrate holders 25 sandwich (clamp) and hold both side portions of the substrate 2 lifted and supported by the lower receiving portion 24 from the X-axis direction.
- the lower receiving portion 24 lifts the substrate 2 so that the upper surface of the substrate 2 is at the same height as the upper surface of the substrate holder 25.
- the elevating cylinder 23, the conveyor 22, and the substrate holder 25 operate in accordance with a command from the control unit 19.
- the stencil sheet 15 is a mask for screen printing the paste on the electrodes of the substrate 2.
- the stencil sheet 15 is made of metal, for example, and is made of SUS in the first embodiment, but may be made of resin.
- the stencil sheet 15 has, for example, a rectangular or square rectangular shape and is stored in the magazine 81 without being held by the frame.
- a large number of openings 15a corresponding to the arrangement pattern of the electrodes 3 on the substrate 2 are provided in the central region of the stencil sheet 15.
- a plurality of holes 15b penetrating in the thickness direction along each of the four sides are provided on the edge of the stencil sheet 15.
- Each hole 15b is formed as an elongated hole extending in a direction parallel to a nearby side. Further, a mark 15m for alignment is formed on the stencil sheet 15.
- the print head 16 prints the paste on the electrodes of the substrate 2 by moving the paste placed on the stencil sheet 15.
- the print head 16 includes a base member 41 that moves in the X direction, two squeegee elevating portions 42, a squeegee holder 43, and two squeegees 44.
- the base member 41 is provided so as to be movable in the X-axis direction in the upper region of the stencil sheet 15 held by the seat holder 14.
- the squeegee elevating part 42 is attached to the base member 41, and its output shaft 42a projects below the base member 41.
- the squeegee holder 43 is attached to the lower end of the output shaft 42a of each squeegee elevating portion 42 and extends in the Y-axis direction.
- the squeegee 44 is a thin plate member whose upper end is held by each squeegee holder 43 and extends obliquely downward.
- the base member 41 is connected to the print head moving mechanism 41a.
- the print head moving mechanism 41a moves the base member 41 in the X direction, and operates based on a command from the control unit 19. As a result, the print head 16 moves with respect to the stencil sheet 15.
- the conveyor 22 of the board holding unit 12 conveys the board 2 and positions the board 2 at the working position, the lower receiving portion 24 of the board 2 located at the working position receives the board 2, the pair of board holders 25 clamps the board, and the board is held.
- the movement operation of the unit 12 in the horizontal plane direction and the vertical direction is executed according to the command from the control unit 19. That is, the control unit 19 controls these to execute various operations.
- the control unit 19 includes an image recognition unit 19a, a mechanism control unit 19b, a tension control unit 19c, and a storage unit 19d.
- the control unit 19 includes, for example, a processor, an FPGA, and the like.
- the image recognition unit 19a, the mechanism control unit 19b, and the tension control unit 19c may each be composed of a plurality of processors or the like, or may be composed of one processor.
- the storage unit 19d stores various production data necessary for screen-printing a paste such as solder on the substrate 2.
- the storage unit 19d is a storage device composed of at least one such as a memory, a hard disk, and an SSD, and stores the processing programs of the image recognition unit 19a, the mechanism control unit 19b, and the tension control unit 19c.
- the mechanism control unit 19b operates the substrate holding unit 12, the unit moving mechanism 12A, the printing head 16, the transport device 51, the magazine elevator 91, the printing head moving mechanism 41a, the seat holder driving unit 36 (details will be described later), and the like. , Substrate transfer and positioning operation, printing operation, stencil sheet replacement operation, etc. are executed.
- the reciprocating movement of the print head 16 in the X-axis direction is performed by the mechanism control unit 19b controlling the operation of the print head movement mechanism 41a.
- the elevating operation of each squeegee 44 with respect to the base member 41 is performed by the mechanism control unit 19b controlling the operation of the squeegee elevating unit 42 corresponding to the squeegee 44 to move the squeegee holder 43 up and down.
- the transport device 51 transports the stencil sheet 15 between the attachment / detachment position Pa for attaching / detaching the stencil sheet 15 to / from the sheet holder 14 and the magazine 81.
- the transport device 51 holds the stencil sheet 15 in a hole 15b formed at an edge substantially orthogonal to the transport direction of the stencil sheet 15, and transports the stencil sheet 15 in the transport direction (X-axis direction).
- a pair of guide rails 55 arranged along the direction, a Y-axis beam 59 (moving body) to which the holding portion 53 is mounted, and a Y-axis beam moving portion 59a for driving the Y-axis beam 59 in the transport direction are provided. Be prepared.
- the transport device 51 slides both sides of the stencil sheet 15 parallel to the transport direction onto the guide rail 55 to transport the stencil sheet 15.
- the Y-axis beam moving portion 59a includes mechanical parts such as a motor and a feed screw (not shown), and moves the Y-axis beam moving portion 59a in the X-axis direction. As a result, the holding portion 53 is moved between the pair of guide rails 55 in the transport direction (X-axis direction).
- the guide rail 55 is a guide member that guides the stencil sheet 15 between the magazine 81 and the attachment / detachment position Pa.
- the guide rail 55 has, for example, an L-shaped vertical cross section, and includes a horizontal portion 55a that supports the stencil sheet 15 from below, and a wall portion 55b that extends upward from the horizontal portion 55a.
- Each tip of the guide rail 55 on the seat holder 14 side is connected to each other by a support plate 56.
- the support plate 56 supports the front edge of the stencil sheet 15 conveyed to the attachment / detachment position Pa.
- the holding portion 53 holds the stencil sheet 15 and conveys it between the magazine 81 and the attachment / detachment position Pa directly under the sheet holder 14.
- the holding portion 53 has, for example, a rectangular shape in a plan view.
- the holding portion 53 has an upper surface 53s that contacts the lower surface of the stencil sheet 15.
- the upper surface 53s is provided with a pin 58 that engages with the stencil sheet 15 and a recess 57 as a suction portion that attracts the stencil sheet 15.
- a set of recesses 57 are formed on the upper surface 53s of the holding portion 53 as suction portions arranged side by side at intervals in the transport direction.
- Pins 58 are arranged on the upper surface 53s between the recesses 57 arranged side by side in the transport direction. Therefore, recesses 57 are formed in front of and behind the pin 58, respectively.
- At least two recesses 57 may be provided at positions sandwiching the pin 58, but a plurality of recesses 57 may be arranged side by side in the holding portion 53 in a direction orthogonal to the transport direction. For example, two recesses 57 are arranged along the side of the holding portion 53 on the magazine 81 side.
- a suction hole 57a is formed on the bottom surface of each recess 57.
- Each suction hole 57a is connected to a suction device 61, and when the suction device 61 is activated, the recess 57 sucks the stencil sheet 15 located above the suction hole 57a.
- the suction device 61 is, for example, a vacuum pump or a vacuum ejector.
- the holding portion 53 holds a portion exposed downward from between the pair of guide rails 55 from below.
- the holding portion 53 can be moved in the vertical direction by the holding portion elevating mechanism 54a.
- the holding portion elevating mechanism 54a is, for example, a cylinder.
- the holding portion elevating mechanism 54a is attached to, for example, a Y-axis beam 59 that can move along the wall portion 55b of the guide rail 55.
- the Y-axis beam 59 moves in the space sandwiched between the guide rail 55 and the substrate holding unit 12.
- the holding portion elevating mechanism 54a is mounted on the rear side of the Y-axis beam 59.
- the Y-axis beam 59 is connected to the Y-axis beam moving portion 59a, and is moved in the transport direction (X-axis direction) by the Y-axis beam moving portion 59a.
- the holding portion 53 can move in the X-axis direction together with the holding portion elevating mechanism 54a.
- a lower imaging camera 17a with the imaging field of view facing downward and an upper imaging camera 17b with the imaging field of view facing upward are attached.
- the lower imaging camera 17a and the upper imaging camera 17b move in the Y direction by a camera moving mechanism (not shown) built in the Y-axis beam 59.
- the lower imaging camera 17a images the alignment mark 2m on the substrate 2.
- the upper imaging camera 17b images the alignment mark 15m of the stencil sheet 15.
- the moving operation of the lower imaging camera 17a and the upper imaging camera 17b in the horizontal plane is performed by the mechanism control unit 19b controlling the operation of the Y-axis beam moving unit 59a and the camera moving mechanism.
- the control of the image pickup operation by the lower image pickup camera 17a and the control of the image pickup operation by the upper image pickup camera 17b are performed by the control unit 19, respectively, and the image data obtained by the image pickup operation of the lower image pickup camera 17a and the image pickup operation of the upper image pickup camera 17b are obtained.
- Each of the obtained image data is transmitted to the control unit 19, and the image recognition unit 19a of the control unit 19 performs image recognition processing.
- the position of the stencil sheet 15 held by the sheet holder 14 is recognized, and the position of the board 2 held by the board holding unit 12 is recognized.
- the sheet holder 14 is connected to the conveyed stencil sheet 15 to hold the stencil sheet 15.
- the seat holder 14 includes a holder frame 14a whose central portion is open in a rectangular shape, and a connecting member 30 which is connected to the outer peripheral edge of the stencil sheet 15 in the holder frame 14a.
- the connecting member 30 extends in the X-axis direction with two first connecting members 31 extending in the X-axis direction and connected to both edges (vertical sides of the stencil sheet 15) facing the Y-axis direction of the stencil sheet 15.
- the stencil sheet 15 is provided with two second connecting members 32 connected to both edges (horizontal sides of the stencil sheet 15) facing each other in the Y-axis direction.
- the two first connecting members 31 are movable in the seat holder 14 in the direction orthogonal to the two first connecting members 31 (X-axis direction), and the two second connecting members 32 are the two second connecting members 32. 2 It is movable in the seat holder 14 in a direction orthogonal to the connecting member 32 (Y-axis direction).
- a protrusion 30a for connection which has a small dimension in the direction along the side of the stencil, protrudes.
- the holder frame 14a is formed with a hole 14b for the protrusion 30a to project from the inside of the holder frame 14a to the outside.
- the seat holder 14 can be moved to two positions, an upper standby position Pw and a lower clamp position Pc.
- the movement of the sheet holder 14 to the two positions is performed by the lift 71 provided in the screen printing machine 1.
- the lift 71 is attached to each of the wall portions 55b of the pair of guide rails 55.
- the lift 71 is connected to the upper surface of the holder frame 14a of the seat holder 14.
- the lift 71 is, for example, an air cylinder.
- the protrusions 30a of the seat holder 14 are inserted into the holes 15b provided on the edge of the stencil sheet 15, and the protrusions 30a move outward in the surface direction of the stencil sheet 15 to move the stencil sheet outward.
- 15 is attached to the seat holder 14.
- a hole 55c is formed in the horizontal portion 55a of the guide rail 55 (see also FIG. 12C).
- the hole 55c is provided for the purpose of avoiding interference between the protrusion 30a of the seat holder 14 that has moved to the clamp position Pc and the horizontal portion 55a, and the lower end of the protrusion 30a penetrating the hole 15b of the stencil sheet 15 is the lower surface of the stencil sheet 15. It is formed for the purpose of surely projecting downward. That is, the hole 55c is a relief portion for preventing the guide rail 55 and the protrusion 30a protruding downward from the seat holder 14 from interfering with each other. A similar relief portion is also formed on the support plate 56.
- the seat holder 14 is provided with a drive cylinder 35.
- the drive cylinder 35 includes two first air cylinders 35a and two second air cylinders 35b.
- the first air cylinder 35a connects the piston rod 35e extending in the Y-axis direction to the first connecting member 31, and by advancing and retreating the piston rod, the pair of first connecting members 31 are connected. Move in opposite directions in the Y-axis direction.
- the second air cylinder 35b also connects a piston rod extending in the Y-axis direction to the second connecting member 32, and by advancing and retreating the piston rod, the pair of second connecting members 32 are opposed to each other in the X-axis direction. Move in the direction.
- the seat holder drive unit 36 operates the first air cylinder 35a and the second air cylinder 35b to apply tension to the stencil seat 15.
- the screen printing machine 1 includes a sheet holder drive unit 36.
- the seat holder drive unit 36 is connected to a pipe 39 connected to an external pressure source 40.
- the pipe 39 is branched into three systems in the seat holder drive unit 36.
- the piping 37 of the first system is connected to two first air cylinders 35a.
- the seat holder drive unit 36 has a valve 37a connected in series to the piping 37 of the first system and a first pressure adjusting unit 37b.
- the piping 38 of the second system is connected to two second air cylinders 35b.
- the seat holder drive unit 36 has a valve 38a and a second pressure adjusting unit 38b connected in series to the piping 38 of the second system.
- the piping 72 of the third system is connected to two lifts 71.
- the seat holder drive unit 36 has a valve 72a connected in series to the pipe 72 of the third system and a third pressure adjusting unit 72b.
- the valve 37a, the valve 38a, and the valve 72a are controlled by the mechanical control unit 19b of the control unit 19 to supply and shut off air pressure to the first air cylinder 35a, the second air cylinder 35b, and the lift 71.
- the valve 37a and the valve 38a are opened and air pressure is supplied to the first air cylinder 35a and the second air cylinder 35b, four airs are connected to the edge of the stencil sheet 15 with the four connecting members 30.
- Tension can be applied to the stencil sheet 15 by operating the cylinders 35a and 35b, moving the connecting members 30 facing each other in a direction away from each other, and pulling the entire stencil sheet 15 in the horizontal plane direction. Further, when the valve 72a is operated to operate the lift 71 downward, the seat holder 14 can be moved from the standby position Pw to the clamp position Pc. Further, when the valve 72a operates in the opposite direction, the seat holder 14 can be moved to the standby position Pw.
- the first pressure adjusting unit 37b and the second pressure adjusting unit 38b individually adjust the air pressure supplied to the first air cylinder 35a and the second air cylinder 35b. That is, the seat holder drive unit 36 can separately adjust the air pressure supplied to the first air cylinder and the air pressure supplied to the second air cylinder. Thereby, the tension of the stencil sheet 15 can be controlled by appropriately adjusting the air pressure. Further, in the present embodiment, since the air pressure can be adjusted by dividing into two systems of the X direction and the Y direction, the tension of the stencil sheet can be adjusted separately in the X direction and the Y direction.
- An electropneumatic regulator can be used for the first pressure adjusting unit 37b and the second pressure adjusting unit 38b.
- the pressure is adjusted by input from the tension control unit 19c (see FIG. 3) of the control unit 19.
- the tension control unit 19c reads out the corresponding data from the storage unit 19d.
- the first pressure adjusting unit 37b and the second pressure adjusting unit 38b are automatically set. That is, the tension adjustment associated with the replacement of the stencil sheet 15 can also be automated.
- the first air cylinder 35a and the second air cylinder 35b are driven by a pneumatic circuit of another system, but these may be driven by one system.
- FIGS. 9A-9C and 10A-10G are schematic explanatory views for explaining how the stencil sheet 15 of the screen printing machine 1 is conveyed from the magazine 81 and attached to the sheet holder 14.
- the stencil sheet 15 carried out from the magazine 81 is conveyed to the attachment / detachment position Pa below the sheet holder 14 as shown in FIG. 9B.
- the mechanism control unit 19b drives and controls the lift 71, as shown in FIG. 9C, the seat holder 14 is moved downward toward the stencil sheet 15 located at the attachment / detachment position Pa, and the stencil sheet 15 is clamped.
- the transport device 51 transporting the stencil sheet 15 housed in the magazine 81 to the attachment / detachment position Pa below the seat holder 14 will be described.
- the screen printing machine 1 includes a magazine elevator 91 that adjusts the height of the magazine 81.
- the magazine elevator 91 moves the magazine 81 so that the height of the upper surface of the horizontal portion 55a of the guide rail 55 matches the storage height of the stencil sheet 15 used, according to the instruction from the control unit 19.
- the Y-axis beam moving portion 59a directs the holding portion 53 toward the back side of the magazine 81 below the stencil sheet 15 to be conveyed between the stencil sheets 15 housed in the magazine 81.
- the holding portion 53 is moved so that the pin 58 of the holding portion 53 is located directly below the hole 15b formed along the front edge of the stencil sheet 15.
- the holding portion elevating mechanism 54a moves the holding portion 53 upward from the avoidance position to the transport position.
- the pin 58 of the holding portion 53 is inserted into the hole 15b formed along the front edge of the stencil sheet 15.
- the suction device 61 is operated to introduce a negative pressure into the recess 57 behind the pin 58 (to the right of the paper surface) to suck and hold the stencil sheet 15.
- the Y-axis beam moving portion 59a moves the holding portion 53 toward the attachment / detachment position Pa below the seat holder 14.
- the pin 58 of the holding portion 53 hits the inner edge of the hole 15b of the stencil sheet 15 and carries out the stencil sheet 15 from the magazine 81.
- the stencil sheet 15 is conveyed by sliding on the horizontal portion 55a while the opposing edges parallel to the conveying direction of the stencil sheet 15 are supported by the horizontal portion 55a of the guide rail 55. Further, since the recess 57 of the holding portion 53 attracts the lower surface of the stencil sheet 15, the holding portion 53 can stably grip the stencil sheet 15.
- the holding portion 53 moves from the magazine 81 to the attachment / detachment position Pa below the seat holder 14 in two steps.
- the holding portion 53 reinserts the pin 58 from the front hole 15b of the stencil sheet 15 into the rear hole 15b.
- the Y-axis beam moving portion 59a moves the holding portion 53 to the intermediate position Pm.
- the holding unit elevating mechanism 54a moves the holding unit 53 downward from the transport position to the avoidance position according to the instruction of the mechanism control unit 19b.
- the pin 58 of the holding portion 53 is pulled out from the hole 15b formed along the front edge of the stencil sheet 15.
- the Y-axis beam moving unit 59a moves the holding unit 53 toward the magazine 81 according to the instruction of the mechanism control unit 19b, and a hole formed along the rear edge of the stencil sheet 15.
- the holding portion 53 is moved so that the pin 58 of the holding portion 53 is located directly below the 15b.
- the holding unit elevating mechanism 54a moves the holding unit 53 upward from the avoidance position to the transport position according to the instruction of the mechanism control unit 19b.
- the pin 58 of the holding portion 53 is inserted into the hole 15b formed along the rear edge of the stencil sheet 15.
- the Y-axis beam moving unit 59a moves the holding unit 53 toward the attachment / detachment position Pa below the seat holder 14 according to the instruction of the mechanism control unit 19b.
- the pin 58 of the holding portion 53 hits the inner edge of the hole 15b formed along the rear edge of the stencil sheet 15, and conveys the stencil sheet 15 from the intermediate position Pm toward the attachment / detachment position Pa.
- the suction device 61 stops the suction according to the instruction of the mechanism control unit 19b, and the holding unit elevating mechanism 54a moves the holding unit 53 downward from the transport position to the avoidance position to hold the stencil sheet 15 by the holding unit 53. To cancel. Then, the Y-axis beam moving portion 59a is moved to retract the Y-axis beam 59 to a position where it does not interfere with the substrate holding unit 12 which is subsequently raised to the attachment / detachment position Pa.
- the stencil sheet 15 is moved from the magazine 81 toward the attachment / detachment position Pa below the sheet holder 14.
- the storage process of transporting and storing the magazine 81 from the attachment / detachment position Pa is the reverse of the transport step described above.
- the engagement points between the stencil sheet 15 and the holding portion 53 are the same, but the transport directions are opposite.
- FIG. 12A illustrates a state in which the stencil sheet 15 has arrived at the attachment / detachment position Pa. From this state, the mechanism control unit 19b operates the unit moving mechanism 12A to raise the substrate holding unit 12, and the substrate holder 25 is raised (see arrow Z2 in FIG. 12B). As shown in FIG. 12B, the substrate holder 25 lifts a part of the stencil sheet 15 and stops at the attachment / detachment height of the stencil sheet 15. As a result, the stencil sheet 15 that is bent downward between the pair of guide rails 55 can be horizontally supported.
- the mechanism control unit 19b sends a drive instruction to the lift 71.
- the lift 71 moves the seat holder 14 from the upper standby position Pw to the lower clamp position Pc (arrow Z3 in FIG. 12B).
- the sheet holder 14 inserts the protrusions 30a protruding from the bottom surface into the holes 15b of the stencil sheet 15, respectively.
- the protrusion 30a of the seat holder 14 is inserted into the hole 15b of the stencil sheet 15.
- the mechanism control unit 19b sends a command to the seat holder drive unit 36 to open the valve 37a and the valve 38a.
- the air of the pressure adjusted by the first pressure adjusting unit 37b is supplied to the first air cylinder 35a through the pipe 37 of the first system
- the air of the pressure adjusted by the second pressure adjusting unit 38b is the second. It is supplied to the second air cylinder 35b through the two systems of pipes 38, and the first air cylinder 35a and the second air cylinder 35b drive the four connecting members 30 to move outward from the seat holder 14.
- each protrusion 30a of the connecting member 30 pushes the hole 15b of the stencil sheet 15 outward (see also arrow G1 in FIG. 12C).
- FIG. 12C the first connecting member 31 and the protrusion 30a before the movement are shown by a broken line, and the protrusion 30a is shown by a solid line after the movement.
- the mechanism control unit 19b operates the unit moving mechanism 12A to lower the substrate holding unit 12 (arrow Z4 in FIG. 12D). This completes the attachment of the stencil sheet 15 to the seat holder 14.
- the removal of the stencil sheet 15 from the sheet holder 14 can be achieved by carrying out the reverse process of the above-mentioned process.
- the upper imaging camera 17b is moved below the stencil sheet 15 as shown in FIG. 12D, and the alignment mark 15 m provided on the stencil sheet 15 (FIG. 2). ) Is imaged.
- the image is recognized by the image recognition unit 19a to recognize the position of the stencil sheet 15 (stencil recognition).
- the position of the stencil sheet 15 recognized by the stencil recognition is stored in the storage unit 19d as information used when positioning the substrate 2.
- the mechanism control unit 19b detects that the substrate 2 has been sent from another device on the upstream process side, it operates the substrate carry-in conveyor 11 and the conveyor 22 of the board holding unit 12 to carry the board 2 into the board holding unit 12. (See FIG. 13).
- the mechanism control unit 19b operates the substrate holding unit 12 to hold the substrate 2. Specifically, the substrate 2 is held by pushing up the lower receiving portion 24 with the elevating cylinder 23 to align the heights of the upper surface of the substrate 2 and the upper surface of the substrate holder 25, and driving the pair of substrate holders 25 in the closing direction. This is done by sandwiching both ends of the substrate 2 (see FIG. 14).
- the mechanism control unit 19b After holding the substrate 2, the mechanism control unit 19b operates the Y-axis beam moving unit 59a and the camera moving mechanism (not shown) to place the lower imaging camera 17a on the substrate 2 with a mark 2m for alignment (not shown).
- the lower image pickup camera 17a is positioned at FIG. 2) to take an image of the mark 2 m (see arrow H1 in FIG. 14).
- the obtained image data of the mark 2m is processed by the image recognition unit 19a to obtain the position of the mark 2m on the substrate holding unit 12, and the position of the substrate is recognized from the obtained position of the mark 2m (board recognition).
- the control unit 19 calculates the horizontal movement distance and the rotation angle for aligning the substrate 2 with the stencil sheet 15 from the position of the stencil sheet 15 read from the storage unit 19d and the position of the substrate 2 obtained by substrate recognition. To do. Based on this calculation result, the mechanism control unit 19b operates the unit moving mechanism 12A to move the substrate holding unit 12 to align the substrate 2 with the stencil sheet 15.
- the control unit 19 controls the operation of the unit moving mechanism 12A to raise the substrate holding unit 12 and holds the substrate 2.
- the control unit 19 controls the operation of the unit moving mechanism 12A to raise the substrate holding unit 12 and holds the substrate 2.
- the upper surfaces of the pair of substrate holders 25 and the substrate 2 are brought into contact with the lower surface of the stencil sheet 15 (see arrow Z1).
- the electrode 3 on the substrate 2 and the pattern opening 15a of the stencil sheet 15 are in a state of matching.
- one of the two squeegees 44 is lowered from the print head 16 and the base member 41 is moved in the Y-axis direction while maintaining the state of being in contact with the upper surface of the stencil sheet 15. Do it by letting. As a result, the stencil 44 slides on the stencil sheet 15, and the paste on the stencil sheet 15 is pushed into the pattern opening 15a of the stencil sheet 15 by the stencil sheet 15 and transferred onto the electrode 3 of the substrate 2.
- the control unit 19 brings the rear squeegee 44 into contact with the stencil sheet 15 and moves the print head 16 from the rear to the front for skiing.
- the front squeegee 44 is brought into contact with the stencil sheet 15.
- the control unit 19 After squeezing and transferring the paste to the substrate 2, the control unit 19 operates the unit moving mechanism 12A to lower the substrate holding unit 12 and separates the substrate 2 and the pair of substrate holders 25 from the stencil sheet 15. And release the plate. As a result, the paste remains on the electrode 3 of the substrate 2, and the paste is printed on the substrate 2.
- the control unit 19 releases the holding of the board 2 by the board holding unit 12.
- the mechanism control unit 19b opens the pair of substrate holders 25, lowers the lower receiving portion 24, and puts both ends of the substrate 2 on the pair of conveyors 22. Do it by lowering it.
- the unit moving mechanism 12A is operated to move the substrate holding unit 12 in the horizontal plane, and after adjusting the orientation of the conveyor 22, the conveyor 22 and the substrate unloading conveyor 13 are operated. Then, the substrate 2 is carried out of the screen printing machine 1.
- FIG. 16 is a front view of the magazine
- FIG. 17 is a plan view of the magazine with the upper wall removed.
- FIG. 18A is a perspective view of a main part inside the magazine as seen from the cross section of the XIV arrow in FIG. 16, and
- FIG. 18B is a side view of the magazine as viewed from the vertical cross section.
- the magazine 81 includes a guide portion 82 that guides the stencil sheet 15 in the loading / unloading direction, and a fixing portion 83 that fixes the stencil sheet 15 to the guide portion 82.
- the magazine 81 includes an upper wall 81a, side walls 81b, 81c, a lower wall 81d, and a back wall 81e, and a loading / unloading outlet 81f for loading / unloading the stencil sheet.
- the back wall 81e is orthogonal to the take-out direction of the stencil sheet 15.
- the guide portion 82 is arranged on one side (left side) in the direction orthogonal to the loading / unloading direction, and includes a first guide plate 82a that directly supports one edge of the opposite edge of the stencil sheet 15. Further, the guide portion 82 is provided on the other side (right side) in the direction orthogonal to the loading / unloading direction, and includes a second guide plate 82b that directly supports the other edge of the opposite edge of the stencil sheet 15.
- the first guide plate 82a and the second guide plate 82b extend along the loading / unloading direction of the stencil sheet 15.
- the guide portions 82 forming a pair of left and right guide plates by the first guide plate 82a and the second guide plate 82b are arranged in the vertical direction by the number corresponding to the number of stencil sheets 15 to be stored.
- the first guide plate 82a and the second guide plate 82b are fixed to the side walls 81b and 81c, respectively.
- An edge parallel to the take-out direction of the stencil sheet 15 inserted into the magazine 81 is placed on the guide portion 82.
- a pair of shelf plates 85 extending in the loading / unloading direction are attached to each of the first guide plate 82a and the second guide plate 82b.
- the shelf board 85 supports the bottom surface of the stencil sheet 15.
- the fixing portion 83 has a rectangular plate portion 83a extending in the take-out direction of the stencil sheet 15 and a bent portion 83b having a V-shape extending downward from the rear end of the plate portion 83a and further bent upward. ..
- the bent portion 83b is an elastic member, for example, a leaf spring.
- the plate portion 83a of the fixing portion 83 is attached to the side wall 81b or 81c by, for example, a bolt.
- the stencil sheet 15 When the stencil sheet 15 is carried into the magazine 81 along the guide portion 82 and the back side of the stencil sheet 15 abuts on the back wall 81e of the magazine 81, the stencil sheet 15 is carried in and out along the carry-in / out direction of the stencil sheet 15.
- the bent portion 83b of the fixing portion 83 is inserted into the hole 15b formed in 15 by elastic force. As a result, the stencil sheet 15 is sandwiched between the bent portion 83b inserted into the hole 15b and the back wall 81e, and the stencil sheet 15 is positioned in the magazine 81.
- the bent portion 83b may have a shape that simply extends downward from the rear end of the plate portion 83a, in addition to the V-shape, as long as it is an elastic member.
- FIG. 19 is a perspective view of a main part in the front part inside the magazine.
- the tip end portion 82c of the guide portion 82 on the opposite side of the back wall 81e has an inclined surface that inclines downward.
- the tip portion 85a of the shelf plate 85 on the opposite side of the back wall 81e also has an inclined surface that inclines downward.
- the magazine 81 includes a protrusion 86 along the side of the upper wall 81a of the magazine 81, and a recess 87 corresponding to the protrusion 86 along the side of the lower wall 81d of the magazine 81. Therefore, when the user inserts the protrusion 86 of one magazine 81 into the recess 87 of the other magazine 81, the other magazine is fixed on the one magazine 81. In this way, since it is possible to combine a plurality of magazines 81 and combine them with each other, the weight of each magazine 81 can be reduced, and the burden of transporting the magazines 81 can be reduced.
- a magazine 81 for accommodating a plurality of stencil sheets 15 having an opening 15a corresponding to an electrode 3 on the substrate 2 and a sheet for detachably holding the edges of the stencil sheet 15
- a transfer device 51 that conveys the stencil sheet 15 between the holder 14, the magazine 81, and the sheet holder 14, and a printing head 16 that slides the solder paste placed on the stencil sheet 15 held by the sheet holder 14.
- the stencil sheet 15 in a state where the frame is not attached is housed in the magazine 81, the number of stored magazines 81 can be increased, and the size of the magazine 81 can be reduced.
- the thickness of the conventional stencil frame is about 30 mm and the thickness of the stencil sheet 15 is about 150 ⁇ m, it is greatly improved. Further, since the transport device 51 conveys the frameless stencil sheet 15 from the magazine 81 and the sheet holder 14 detachably holds the frameless stencil sheet 15, the labor for replacing the stencil sheet 15 is reduced and the space is saved.
- the screen printing machine 1 is provided.
- the transport device 51 may transport the stencil sheet 15 below the seat holder 14, and the seat holder 14 may attach / detach the stencil sheet 15 to the lower part of the seat holder 14.
- the stencil sheet is attached to the print head side of the sheet holder, but the stencil sheet 15 is conveyed below the sheet holder 14, and the sheet holder 14 and the stencil sheet 15 are attached and detached under the sheet holder 14. Therefore, it is possible to avoid interference with the print head above the sheet holder 14, and it is suitable for automation of attachment / detachment.
- the seat holder 14 may clamp the stencil sheet 15 by applying tension in the surface direction. According to this configuration, since tension is applied to the stencil sheet 15 in the surface direction, it is possible to prevent the position of the electrode 3 of the substrate 2 and the opening 15a of the stencil sheet 15 from being displaced.
- a lift 71 for moving the seat holder 14 may be provided between the lower clamp position Pc for clamping the stencil sheet 15 and the upper standby position Pw. Since the seat holder 14 can be moved to the clamp position Pc and the standby position Pw, the stencil sheet 15 can be smoothly conveyed to the clamp position Pc without interfering with the seat holder 14.
- the stencil sheet 15 has a plurality of holes 15b formed along the outer edge
- the seat holder 14 includes a plurality of protrusions 30a protruding downward from the lower surface, and the clamp position Pc of the seat holder 14 by the lift 71.
- the plurality of protrusions 30a may be inserted into the plurality of holes 15b of the stencil sheet 15. This allows the seat holder 14 to be properly engaged with the stencil sheet 15.
- the seat holder 14 may have an actuator that applies tension to the stencil sheet 15 by moving a plurality of protrusions 30a outward in the surface direction. As a result, the seat holder 14 can appropriately clamp the stencil sheet.
- the actuator may be an air cylinder operated by pneumatic pressure.
- the actuator includes a first air cylinder 35a that moves a protrusion 30a inserted into a set of holes 15b formed in a parallel set of outer edges of the stencil sheet 15 outward in the plane direction, and another set of outer edges.
- a second air cylinder 35b that moves the protrusion 30a inserted into the hole 15b formed in the first air cylinder 35a toward the outside in the plane direction orthogonal to the moving direction by the first air cylinder 35a may be included.
- the screen printing machine 1 includes a seat holder drive unit 36 that separately adjusts the air pressure supplied to the first air cylinder 35a and the air pressure supplied to the second air cylinder 35b. Since the air pressure is adjusted separately for the first air cylinder 35a and the second air cylinder 35b, the seat holder 14 can appropriately clamp the stencil sheet 15.
- the Y-axis beam 59 having a holding portion 53 for holding the stencil sheet 15 intersecting in the transport direction and transporting the stencil sheet 15 in the transport direction, and the stencil sheet 15 A pair of guide rails 55 arranged along the transport direction and supported from below the stencil sheet 15 transported by the Y-axis beam 59 are provided.
- the frameless stencil sheet 15 can be automatically replaced.
- the holding portion 53 has a recess 57 for adsorbing the stencil sheet 15. As a result, the holding portion 53 can more reliably grip the stencil sheet 15.
- the holding portion 53 holds a portion of the stencil sheet 15 exposed from between the pair of guide rails 55 from below, and the Y-axis beam 59 has a holding portion elevating mechanism 54a for moving the holding portion 53 in the vertical direction.
- the holding portion 53 has an upper surface 53s that contacts the lower surface of the stencil sheet 15 and a pin 58 that protrudes upward from the upper surface, and the recess 57 opens to the upper surface 53s to suck and hold the lower surface of the stencil sheet 15. To do.
- At least two recesses 57 are provided at intervals in the transport direction, and pins 58 are arranged between the two recesses 57.
- a support plate 56 for connecting the tip portions of the pair of guide rails 55 on the attachment / detachment position Pa side is provided, and the front edge of the stencil sheet 15 is supported on the support plate 56 at the attachment / detachment position Pa.
- the guide rail 55 may have a hole 55c for avoiding interference with the protrusion 30a protruding downward from the seat holder 14.
- the protrusion 30a of the seat holder 14 can penetrate the hole 15b of the stencil sheet 15 and reach the hole 55c of the guide rail 55, so that the protrusion 30a of the seat holder 14 comes out from the hole 15b of the stencil sheet 15. Can be prevented.
- the magazine 81 stores a plurality of stencil sheets 15, and the stencil sheet 15 is fixed to the guide portion 82 that guides the stencil sheet 15 in the loading / unloading direction and the guide portion 82.
- a fixing portion 83 is provided. As a result, even if the stencil sheet 15 has no frame, the fixing portion 83 fixes the stencil sheet 15 to the guide portion 82, so that the stencil sheet 15 can be prevented from moving in the magazine 81.
- the fixing portion 83 may be fixed by pressing the stencil sheet 15 against the first guide plate 82a and the second guide plate 82b. Since the fixing portion 83 presses the stencil sheet 15 against the guide portion 82, it is possible to prevent the stencil sheet 15 from moving in the magazine 81.
- a carry-in / out port 81f for carrying in / out the stencil sheet 15 and a back wall 81e arranged behind the carry-in / out port 81f are provided, and the fixing portion 83 is attached to the stencil sheet 15 along the carry-in / out direction of the stencil sheet 15.
- the stencil sheet 15 has a bent portion 83b which is an elastic member inserted into the formed hole 15b, and the stencil sheet 15 is fixed by the fixing portion 83 inserted into the hole 15b, the back wall 81e, and the bent portion 83b.
- the tip end portion 82c of the guide portion 82 on the opposite side to the back wall 81e may have an inclined surface that inclines downward. As a result, it is possible to prevent the stencil sheet 15 from being caught by the tip portion 82c of the guide portion 82 when the stencil sheet 15 is taken in and out.
- a plurality of magazines 81 may be connected. As a result, the weight of each magazine 81 can be reduced, and the labor required for the operator to carry the magazine 81 can be reduced.
- a protrusion 86 is provided along the side of the upper wall 81a of the magazine 81, and a recess 87 corresponding to the protrusion 86 is provided along the side of the lower wall 81d of the magazine 81. Is inserted into the recess 87 of the other magazine 81, and the other magazine 81 is fixed on the one magazine 81. As a result, a plurality of magazines can be stably assembled up and down.
- a driving unit that drives the four connecting members 30 so that the opposing members of the four connecting members 30 move relative to each other in a direction in which they are separated from each other to apply tension to the stencil sheet 15.
- the cylinder drive cylinder 35
- the cylinder does not necessarily have to be a cylinder.
- the means for connecting the edges along the four sides of the stencil sheet 15 and the four connecting members 30 is provided in the connecting holes 15b provided on the edges of the stencil sheet 15 and each connecting member 30. It was composed of a connecting protrusion 30a provided and fitted into the connecting hole 15b, but the present invention is not limited to this.
- the edge of the stencil sheet 15 and the four connecting members 30 may be connected by other means.
- the stencil sheet 15 may have a bent portion whose four sides are bent inward, and the sheet holder 14 may have a claw that is detachably engaged with the bent portion of the stencil sheet 15.
- the connecting member 30 and the stencil sheet 15 are connected by fitting the connecting protrusions 30a provided on each connecting member 30 into the holes 15b provided on the edge of the stencil sheet 15.
- the connecting member 30 and the stencil sheet 15 can be connected with an extremely simple configuration, and the cost of the screen printing machine 1 can be reduced.
- the screen printing machine according to the present disclosure is applicable to a screen printing machine using a stencil sheet without a frame.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2019/040207 WO2021070355A1 (ja) | 2019-10-11 | 2019-10-11 | スクリーン印刷機 |
DE112019007801.1T DE112019007801T5 (de) | 2019-10-11 | 2019-10-11 | Siebdruckvorrichtung |
CN201980101151.7A CN114502380B (zh) | 2019-10-11 | 2019-10-11 | 丝网印刷机 |
JP2021551068A JP7365650B2 (ja) | 2019-10-11 | 2019-10-11 | スクリーン印刷機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2019/040207 WO2021070355A1 (ja) | 2019-10-11 | 2019-10-11 | スクリーン印刷機 |
Publications (1)
Publication Number | Publication Date |
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WO2021070355A1 true WO2021070355A1 (ja) | 2021-04-15 |
Family
ID=75437367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2019/040207 WO2021070355A1 (ja) | 2019-10-11 | 2019-10-11 | スクリーン印刷機 |
Country Status (4)
Country | Link |
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JP (1) | JP7365650B2 (zh) |
CN (1) | CN114502380B (zh) |
DE (1) | DE112019007801T5 (zh) |
WO (1) | WO2021070355A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114211871A (zh) * | 2021-12-31 | 2022-03-22 | 汕头市瑞升电子有限公司 | 一种陶瓷芯片电极印刷机 |
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JPH04197684A (ja) * | 1990-11-28 | 1992-07-17 | Fujitsu Ltd | メタルマスクとそれを用いる自動スクリーン印刷装置 |
JPH09254358A (ja) * | 1996-03-21 | 1997-09-30 | Matsushita Electric Ind Co Ltd | 印刷装置 |
JP2005028849A (ja) * | 2003-07-11 | 2005-02-03 | Kaname Yamada | 紗張りテンショナー |
US20140290509A1 (en) * | 2013-03-26 | 2014-10-02 | Ricky Paul Bennett | Balanced stencil foil tensioning frame with foil alignment fixture |
JP2017217835A (ja) * | 2016-06-08 | 2017-12-14 | 有限会社イトウプリント | スクリーン印刷用マスク板の張設治具およびスクリーン印刷用マスク板 |
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JP2783961B2 (ja) * | 1993-04-21 | 1998-08-06 | 日本無線株式会社 | クリーム半田印刷方法及び装置 |
JPH1016185A (ja) * | 1996-07-03 | 1998-01-20 | Matsushita Electric Ind Co Ltd | スクリーン印刷方法及び装置 |
JP3504173B2 (ja) * | 1998-04-27 | 2004-03-08 | 株式会社プロセス・ラボ・ミクロン | マスク交換可能な印刷用コンビネーション・マスク版 |
JP3699964B2 (ja) | 2003-07-28 | 2005-09-28 | 谷電機工業株式会社 | スクリーン版自動交換装置 |
JP4763466B2 (ja) * | 2006-01-17 | 2011-08-31 | ヤマハ発動機株式会社 | スクリーン印刷装置 |
JP5029586B2 (ja) | 2008-12-03 | 2012-09-19 | パナソニック株式会社 | スクリーン印刷装置 |
JP5903574B2 (ja) | 2011-11-29 | 2016-04-13 | パナソニックIpマネジメント株式会社 | スクリーン印刷機 |
JP2013159022A (ja) | 2012-02-06 | 2013-08-19 | Panasonic Corp | スクリーン印刷機 |
JP2015100943A (ja) * | 2013-11-22 | 2015-06-04 | パナソニックIpマネジメント株式会社 | スクリーン印刷機、部品実装ライン及びスクリーン印刷方法 |
CN109803829B (zh) * | 2016-10-13 | 2021-10-15 | 株式会社富士 | 丝网印刷机 |
-
2019
- 2019-10-11 JP JP2021551068A patent/JP7365650B2/ja active Active
- 2019-10-11 CN CN201980101151.7A patent/CN114502380B/zh active Active
- 2019-10-11 WO PCT/JP2019/040207 patent/WO2021070355A1/ja active Application Filing
- 2019-10-11 DE DE112019007801.1T patent/DE112019007801T5/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH04197684A (ja) * | 1990-11-28 | 1992-07-17 | Fujitsu Ltd | メタルマスクとそれを用いる自動スクリーン印刷装置 |
JPH09254358A (ja) * | 1996-03-21 | 1997-09-30 | Matsushita Electric Ind Co Ltd | 印刷装置 |
JP2005028849A (ja) * | 2003-07-11 | 2005-02-03 | Kaname Yamada | 紗張りテンショナー |
US20140290509A1 (en) * | 2013-03-26 | 2014-10-02 | Ricky Paul Bennett | Balanced stencil foil tensioning frame with foil alignment fixture |
JP2017217835A (ja) * | 2016-06-08 | 2017-12-14 | 有限会社イトウプリント | スクリーン印刷用マスク板の張設治具およびスクリーン印刷用マスク板 |
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CN114211871A (zh) * | 2021-12-31 | 2022-03-22 | 汕头市瑞升电子有限公司 | 一种陶瓷芯片电极印刷机 |
CN114211871B (zh) * | 2021-12-31 | 2023-09-26 | 汕头市瑞升电子有限公司 | 一种陶瓷芯片电极印刷机 |
Also Published As
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DE112019007801T5 (de) | 2022-08-11 |
JP7365650B2 (ja) | 2023-10-20 |
JPWO2021070355A1 (zh) | 2021-04-15 |
CN114502380B (zh) | 2023-11-28 |
CN114502380A (zh) | 2022-05-13 |
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