WO2022013999A1 - Dispositif de sérigraphie et procédé de sérigraphie - Google Patents

Dispositif de sérigraphie et procédé de sérigraphie Download PDF

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Publication number
WO2022013999A1
WO2022013999A1 PCT/JP2020/027619 JP2020027619W WO2022013999A1 WO 2022013999 A1 WO2022013999 A1 WO 2022013999A1 JP 2020027619 W JP2020027619 W JP 2020027619W WO 2022013999 A1 WO2022013999 A1 WO 2022013999A1
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WO
WIPO (PCT)
Prior art keywords
screen
printing
push
work
screen printing
Prior art date
Application number
PCT/JP2020/027619
Other languages
English (en)
Japanese (ja)
Inventor
隼人 笠原
Original Assignee
マイクロ・テック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by マイクロ・テック株式会社 filed Critical マイクロ・テック株式会社
Priority to CN202080102359.3A priority Critical patent/CN115666951A/zh
Priority to PCT/JP2020/027619 priority patent/WO2022013999A1/fr
Priority to JP2022536061A priority patent/JP7273449B2/ja
Priority to TW109132199A priority patent/TWI818195B/zh
Publication of WO2022013999A1 publication Critical patent/WO2022013999A1/fr

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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

Definitions

  • the present invention relates to a screen printing apparatus and a screen printing method.
  • the present invention provides a screen printing device for a workpiece having a dent.
  • the screen printing apparatus of the present invention is characterized by being arranged on the side portion in the printing direction and provided with a push-up portion that pushes up the screen during printing.
  • the push-up portion pushes up the screen on the side portion in the printing direction, it is possible to print on a work having a dent.
  • FIG. 1 The front view of the screen printing apparatus 100 in Embodiment 1.
  • FIG. 3 is a detailed view of the arrangement of the push upper part in the first embodiment.
  • A is a diagram in which the push upper portion is arranged so as to be offset from the center of the convex curved portion
  • (b) is a diagram in which the push upper portion is arranged in the center of the convex curved portion.
  • (A), (b), (c), (d) is a figure in which the dent portion is in the center.
  • (E) and (f) are views in which dents are located in the front and back.
  • FIG. The explanatory view of the cap of the tip of the push upper part 80 in Embodiment 1.
  • FIG. (A) is a diagram of a cap 83 that descends to the right, and (b) is a diagram of a cap 83 that descends to the left.
  • Embodiment 1 *** Explanation of work 99 *** In FIG. 1, the right side of the work 99 is also referred to as the first half. In FIG. 1, the left side of the work 99 is also referred to as the latter half.
  • ⁇ Work 99 (Fig. 1) As shown in FIG. 1, the work 99 has the following. ⁇ Flat part 991 (1 place) ⁇ Convex bend 992 (2 places) ⁇ Dent part 993 (2 places)
  • the flat portion 991 is a portion exhibiting a flat surface.
  • the convex curved portion 992 is a curved surface portion exhibiting an arc.
  • the dented portion 993 is a portion recessed from the flat portion 991.
  • the dented portion 993 in the first half has a concave portion 994, a flat surface on the right side of the concave portion 994, and an inclined surface on the left side.
  • the dented portion 993 in the latter half has only an inclined surface.
  • the screen 91 has a plurality of warp threads 93 parallel to the printing direction.
  • the screen 91 has a plurality of wefts 94 orthogonal to the printing direction.
  • the warp 93 and the weft 94 are knitted in a mesh shape.
  • the tension of the warp 93 is smaller than the tension of the weft 94.
  • the tension of the warp 93 is set to half the tension of the weft 94. Therefore, the screen 91 has more elasticity in the printing direction than in the direction orthogonal to the printing direction.
  • a print pattern is formed on the screen 91.
  • the print pattern is formed in consideration of the expansion and contraction of the screen 91 due to the printing pressure and the shape of the work 99. There is a clearance X between the flat portion 991 of the work 99 and the screen 91.
  • FIG. 1, FIG. 2, FIG. 3 The configuration of the screen printing apparatus 100 will be described with reference to FIGS. 1, 2, and 3.
  • the left-right direction toward the paper surface is also referred to as a lateral direction.
  • the vertical direction toward the paper surface is also referred to as a vertical direction.
  • the depth direction toward the paper surface is also referred to as the width direction.
  • the printing direction of the screen printing device 100 is the left direction.
  • the screen printing device 100 performs screen printing on the work 99 placed on the printing table 70.
  • the screen printing apparatus 100 uses the screen 91 to perform screen printing by the squeegee 92.
  • the screen printing device 100 has the following. ⁇ Housing 51 ⁇ Table stand 52 ⁇ Prop 53 ⁇ Control unit 60 ⁇ Printing table 70
  • the housing 51 is the base of the screen printing device 100.
  • the housing 51 is a rectangular metal plate that is long in the left-right direction.
  • the housing 51 is arranged horizontally.
  • Table stand 52 The table table 52 is a moving table used for loading and unloading the printing table 70.
  • the table base 52 is a rectangular metal plate that is long in the left-right direction.
  • the table stand 52 fixes the following. (1) Support 53 (2) Control unit 60
  • One support column 53 is provided on the table base 52.
  • the pillar 53 is a pillar fixed to the table base 52.
  • the support column 53 is made of bakelite or metal.
  • a printing table 70 is attached to the upper portion of the support column 53.
  • Control unit 60 controls the screen printing device 100 and controls the screen printing operation.
  • the control unit 60 can be realized by a central processing unit, a program, a memory, and a storage device.
  • the control signal from the control unit 60 is transmitted to each unit as an electric signal by the signal line 61.
  • Print table 70 (FIG. 1, FIG. 2 and FIG. 3) The print table 70 will be described with reference to FIGS. 1, 2, and 3. The work 99 is placed on the print table 70.
  • the print table 70 has the following: (1) Base 71 (2) Jig 72
  • the base 71 is a base material that determines the shape of the printing table 70.
  • the base 71 is made of stainless steel or other metal.
  • the base 71 is a rectangular metal plate.
  • the jig 72 is interchangeably fixed to the base 71.
  • the jig 72 is for mounting the work 99.
  • the upper surface of the jig 72 has the same shape as that of the work 99.
  • the upper surface of the jig 72 has a recess in which the work 99 is fitted.
  • the shape of the recess is the same as the outer shape of the work 99.
  • the depth of the recess is the same as or slightly smaller than the thickness of the work 99.
  • the jig 72 is made of aluminum, other metals, alloys, ceramics, or resins.
  • the jig 72 has the same length as the base 71 in the left-right direction.
  • the jig 72 has a width smaller than that of the base 71 in the width direction.
  • the jig 72 is fixed to the center of the base 71 in the width direction.
  • the push-up portion 80 is arranged on the side portion in the printing direction.
  • the push-up portion 80 is arranged outside the work 99 and inside the frame of the screen 91 in a plan view.
  • the push-up portion 80 is fixed to the base 71 of the printing table 70.
  • the push-up portion 80 pushes up the screen 91.
  • the push-up portion 80 is arranged corresponding to the convex curved portion 992 of the work 99.
  • the push-up portion 80 is arranged at two locations on the left and right.
  • the push-up portion 80 on the right side is arranged corresponding to the convex curved portion 992 on the right side of the work 99.
  • the push-up portion 80 on the left side is arranged corresponding to the convex curved portion 992 on the left side of the work 99.
  • the push-up portion 80 has a pair of detachable portions 81 arranged in a direction orthogonal to the printing direction.
  • FIG. 3 there are two push-up portions 80, and two pairs of attachment / detachment portions 81 are shown.
  • the straight line connecting the tips of the pair of detachable portions 81 is orthogonal to the printing direction.
  • the tip of the detachable portion 81 is rounded so as not to damage the screen 91.
  • the shape of the head of the detachable portion 81 shown in the figure is a half pipe shape or a semi-cylindrical shape.
  • the central axis of the halfpipe or semi-cylinder is horizontal and orthogonal to the printing direction.
  • the shape of the head of the detachable portion 81 may be a hemispherical shape or a dome shape.
  • a roller may be provided at the head of the attachment / detachment portion 81.
  • the material at the head of the detachable portion 81 is preferably rubber, urethane, resin, or other flexible material.
  • the detachable portion 81 is composed of a cylinder. The cylinder can move the rod up and down.
  • the screen printing method of the screen printing apparatus 100 will be described with reference to FIG.
  • a method of printing a work 99 having a flat portion 991, a convex curved portion 992, and a dented portion 993 will be described.
  • the screen printing operation described below can be realized by the control unit 60 transmitting and receiving commands and signals by the signal line 61.
  • the control unit 60 controls the push upper portion 80.
  • the control unit 60 controls so that the attack angle of the squeegee 92 is kept constant.
  • the control unit 60 controls so that the printing pressure is kept constant according to the uneven shape of the work 99 and the expansion / contraction state of the screen 91.
  • the control unit 60 starts the following initial operations.
  • the control unit 60 places the work 99 on the printing table 70 by a loading / unloading device (not shown), moves the table base 52, and arranges the work 99 under the screen 91.
  • the control unit 60 sucks the work 99 onto the jig 72 by a suction mechanism (not shown) and fixes the work 99 to the printing table 70.
  • the control unit 60 moves the squeegee 92 to the print start position on the right side. In the initial state, there is a clearance X between the flat portion 991 of the work 99 and the screen 91.
  • FIG. 5 is a diagram showing dent printing in the first half.
  • the first half dent printing step S20 is a step of pushing up the push-up portion 80 on the right side to print the dent portion 993 on the right side.
  • the control unit 60 starts moving the squeegee 92 to the left and starts printing.
  • the control unit 60 simultaneously raises the rods of the pair of attachment / detachment portions 81 of the push-up portion 80 on the right side before the start of printing of the dent portion 993 on the right side of the work 99.
  • the control unit 60 continues to push up the screen 91 by the push-up portion 80 on the right side while printing the dent portion 993 on the right side of the work 99.
  • the push-up portion 80 on the right side pushes up the screen 91 to maintain a clearance X between the flat portion 991 of the work 99 and the screen 91.
  • the push-up portion 80 on the right side forms a clearance between the convex curved portion 992 of the work 99 and the screen 91 in a state where the screen 91 is pushed up.
  • the screen of the push-up portion 80 on the right side continues to be pushed up.
  • the first half dent printing step S20 ends when the dent portion 993 of the work 99 is printed.
  • FIG. 6 is a diagram showing convex curve printing.
  • the convex curve printing step is a step of lowering the push upper portion 80 on the right side to print the convex curved portion 992 in the first half, the flat portion 991, and the convex curved portion 992 in the latter half.
  • the control unit 60 While printing the convex curved portion 992 in the first half of the work 99, the control unit 60 gradually lowers the rods of the pair of detachable portions 81 of the push-up portion 80 on the right side at the same time, and the convex curved portion 992 of the work 99 and the screen. The clearance between 91 and 91 is gradually eliminated. By lowering the push upper portion 80, printing on the convex curved portion 992 becomes possible.
  • FIG. 7 is a diagram showing flat printing.
  • the control unit 60 keeps the detachable portions 81 of the left and right push-up portions 80 lowered. While printing the flat portion 991, the clearance between the flat portion 991 of the work 99 and the screen 91 is the same as the clearance X in the initial state.
  • the control unit 60 When printing the convex curved portion 992 in the latter half of the work 99, the control unit 60 gradually raises the rods of the pair of detachable portions 81 of the push-up portion 80 on the left side at the same time, and the convex curved portion 992 of the work 99 and the screen. A clearance is formed between the 91 and the 91.
  • the push-up portion 80 on the left side forms a clearance between the convex curved portion 992 of the work 99 and the screen 91 in a state where the screen 91 is pushed up.
  • the flat curve printing step S30 ends when the convex curved portion 992 in the latter half of the work 99 is printed.
  • FIG. 8 is a diagram showing a dent printing process in the latter half after bending printing.
  • the second half dent printing step S40 is a step of pushing up the detachable portion 81 of the push-up portion 80 on the left side to print the dent portion 993 on the left side.
  • the control unit 60 simultaneously raises the rods of the pair of detachable portions 81 of the push-up portion 80 on the left side after the printing of the dented portion 993 on the left side of the work 99 is started.
  • the control unit 60 continues to push up the screen 91 by the push-up portion 80 on the left side while printing the dent portion 993 on the left side of the work 99.
  • the push-up portion 80 on the left side pushes up the screen 91 to maintain a clearance X between the flat portion 991 of the work 99 and the screen 91.
  • the push-up portion 80 on the left side forms a clearance between the convex curved portion 992 of the work 99 and the screen 91 in a state where the screen 91 is pushed up.
  • the screen of the push-up portion 80 on the left side continues to be pushed up.
  • the second half dent printing step S40 ends when the inclined surface on the left side of the work 99 is printed.
  • control unit 60 When printing is completed, the control unit 60 carries out the work 99 for which printing has been completed by an loading / unloading device (not shown). After carrying out the work 99, the control unit 60 determines whether or not there is a next print, and if there is a next print, returns to the preparation step S10. The control unit 60 ends printing if there is no next print.
  • the configuration is symmetrical with the configuration of (a) in FIG. 9, and the push-up portion 80 is arranged on the left side of the center 999 of the convex portion 992 of the work 99. ..
  • the left and right centers of the push upper portion 80 are arranged at the same positions as the center 999 of the convex curved portion 992 of the work 99.
  • the apex 82 of the push-up portion 80 is directly above the convex curved portion 992. Therefore, the clearance X is larger than the clearance Y.
  • the clearance Y may be any distance as long as the screen 91 is separated from the work 99 immediately after printing.
  • printing from the convex portion 992 to the dent portion 993 is symmetrical with the configuration of (b) in FIG. 9, and the left and right centers of the push-up portion 80 are the same as the center 999 of the convex portion 992 of the work 99. Placed in position.
  • the work 99 and the screen 91 can be prevented from touching each other before printing, and the work having a dent can be printed.
  • the dent portion 993 may be located only in the center of the work 99.
  • the dent portion 993 may be composed of only a plurality of planes.
  • the dented portion 993 may be composed of only a curved surface.
  • the dented portion 993 may be composed of a flat surface and a concave curved surface.
  • the dented portion 993 may be composed of one flat surface and two convex curved surfaces.
  • FIGS. 10A, 10B, and 10C the dent portion 993 may be located only in the center of the work 99.
  • the dent portion 993 may be composed of only a plurality of planes.
  • the dented portion 993 may be composed of only a curved surface.
  • the dented portion 993 may be composed of a flat surface and a concave curved surface.
  • the dented portion 993 may be composed of one flat surface and two convex curved surfaces.
  • FIGS. 10A, 10B, and 10C the dent portion 993 may be located only
  • dents 993 may be provided on both front and rear sides of the work 99.
  • the dent portion 993 may be a flat surface or a curved surface.
  • the push-up portion 80 is arranged corresponding to the convex curved portion 992.
  • the printing table 70 shown in FIG. 11 has a base 71 having a pair of fixing grooves 73.
  • the fixing groove 73 is a groove provided in parallel with the printing direction.
  • the fixing groove 73 can slide the push-up portion 80 in the printing direction, and fixes the push-up portion 80 at an arbitrary position.
  • the fixing groove 73 fixes the push-up portion 80 in correspondence with the position of the convex curved portion 992. Therefore, even if the shape of the work 99 is changed and the position of the convex curved portion 992 is changed, it can be dealt with only by changing the jig 72 without changing the base portion 71.
  • the push-up portion 80 shown in FIG. 12 has a cap 83 at the tip thereof.
  • the cap 83 of FIG. 12A has a downward-sloping arc.
  • the cap 83 of FIG. 12 (b) has a downward-sloping arc.
  • the cap 83 is replaceable.
  • the shape of the cap 83 has the same shape as the convex curved portion 992.
  • the arc of the convex curved portion 992 and the arc of the cap 83 are arcs having the same center 999, the same internal angle, and different radii. Therefore, the convex curved portion 992 of the work 99 and the convex shape of the screen 91 are the same or substantially the same, and the clearance X and the clearance Y are the same.
  • the push-up portion 80 may be arranged not on the base 71 but on the jig 72, the support column 53, the table base 52, or the housing 51.
  • the push-up portion 80 may have a plurality of pairs of detachable portions 81 instead of a pair of detachable portions 81.
  • Embodiment 2 In the second embodiment, the differences from the first embodiment will be described.
  • the control unit 60 rotates the print table 70 counterclockwise while printing the dent portion 993 on the right side. Since the dent portion 993 on the right side is raised by the rotation of the print table 70, the elongation of the screen 91 is reduced as compared with the case where the print table 70 is not rotated.
  • the control unit 60 lowers the push-up portion 80 on the right side while rotating the print table 70 clockwise while printing the convex curved portion 992 on the right side.
  • the printing of the flat portion 991 is the same as that in FIG. 7 of the first embodiment.
  • the control unit 60 rotates the print table 70 clockwise while printing the convex curved portion 992 on the left side, and at the same time, slides the table base 52 to the left.
  • the control unit 60 performs the following control. (1) Rotate the print table 70 clockwise by K degrees around the center 999 of the arc.
  • the table base 52 is moved to the left (printing direction) by the arc length E with respect to the housing 51.
  • the squeegee 92 is moved to the left (printing direction) by the arc length E. (4) Do not raise the push top 80 on the left side.
  • the rotation of the printing table 70 for printing the convex curved portion 992 on the left side raises the dented portion 993 on the left side, and the inclined surface of the dented portion 993 on the left side becomes horizontal. Since the inclined surface of the dent portion 993 on the left side is horizontal, it is not necessary to raise the push upper portion 80 on the left side during printing of the dent portion 993 on the left side. During printing of the dent portion 993 on the left side, since the inclined surface of the dent portion 993 on the left side is horizontal, there is no dent, and the screen 91 is not stretched due to the presence of the dent.
  • the control unit 60 slides the table base 52 to the left while rotating the printing table 70 clockwise while printing the convex curved portion 992 on the right side, as in the printing of the convex curved portion 992 on the left side. May be good.
  • the control unit 60 determines the slide amount of the table base 52 according to the rotation angle of the print table 70.
  • Embodiment 3 In the third embodiment, the differences from the first and second embodiments will be described.
  • a plurality of push-ups 80 may be arranged with respect to the printing direction, and the control unit 60 may sequentially control the plurality of push-ups 80.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Printing Methods (AREA)

Abstract

Un dispositif de sérigraphie (100) effectue une sérigraphie sur une pièce (99) à l'aide d'une raclette (92). Le dispositif de sérigraphie (100) est pourvu d'une unité de pression (80) qui est agencée au niveau d'une partie latérale dans une direction d'impression et presse un écran (91). L'unité de pression (80) est agencée de manière à correspondre à une partie incurvée saillante (992) de la pièce (99). L'unité de pression (80) forme un espace libre entre la partie incurvée saillante (992) de la pièce (99) et l'écran (91), tout en pressant l'écran (91).
PCT/JP2020/027619 2020-07-16 2020-07-16 Dispositif de sérigraphie et procédé de sérigraphie WO2022013999A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202080102359.3A CN115666951A (zh) 2020-07-16 2020-07-16 丝网印刷装置和丝网印刷方法
PCT/JP2020/027619 WO2022013999A1 (fr) 2020-07-16 2020-07-16 Dispositif de sérigraphie et procédé de sérigraphie
JP2022536061A JP7273449B2 (ja) 2020-07-16 2020-07-16 スクリーン印刷装置及びスクリーン印刷方法
TW109132199A TWI818195B (zh) 2020-07-16 2020-09-18 網版印刷裝置及網版印刷方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/027619 WO2022013999A1 (fr) 2020-07-16 2020-07-16 Dispositif de sérigraphie et procédé de sérigraphie

Publications (1)

Publication Number Publication Date
WO2022013999A1 true WO2022013999A1 (fr) 2022-01-20

Family

ID=79554533

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/027619 WO2022013999A1 (fr) 2020-07-16 2020-07-16 Dispositif de sérigraphie et procédé de sérigraphie

Country Status (4)

Country Link
JP (1) JP7273449B2 (fr)
CN (1) CN115666951A (fr)
TW (1) TWI818195B (fr)
WO (1) WO2022013999A1 (fr)

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JP2004006577A (ja) * 2002-02-28 2004-01-08 Dainippon Printing Co Ltd ペーストバンプ形成方法、及びペーストバンプ形成装置
US20090165661A1 (en) * 2007-06-06 2009-07-02 Thieme Gmbh & Co. Kg Method and Device for Printing Solar Cells By Screen Printing
JP2017226181A (ja) * 2016-06-24 2017-12-28 株式会社セリアエンジニアリング スクリーン印刷機
JP2019034415A (ja) * 2017-08-10 2019-03-07 マイクロ・テック株式会社 スクリーン印刷装置及びスクリーン印刷方法

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Publication number Priority date Publication date Assignee Title
JPH0550581A (ja) * 1991-08-20 1993-03-02 Noritake Co Ltd スクリ−ン印刷機
JP2004006577A (ja) * 2002-02-28 2004-01-08 Dainippon Printing Co Ltd ペーストバンプ形成方法、及びペーストバンプ形成装置
US20090165661A1 (en) * 2007-06-06 2009-07-02 Thieme Gmbh & Co. Kg Method and Device for Printing Solar Cells By Screen Printing
JP2017226181A (ja) * 2016-06-24 2017-12-28 株式会社セリアエンジニアリング スクリーン印刷機
JP2019034415A (ja) * 2017-08-10 2019-03-07 マイクロ・テック株式会社 スクリーン印刷装置及びスクリーン印刷方法

Also Published As

Publication number Publication date
TW202204169A (zh) 2022-02-01
JPWO2022013999A1 (fr) 2022-01-20
TWI818195B (zh) 2023-10-11
CN115666951A (zh) 2023-01-31
JP7273449B2 (ja) 2023-05-15

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