WO2005009630A1 - 液滴調整方法及び液滴吐出方法並びにその装置 - Google Patents
液滴調整方法及び液滴吐出方法並びにその装置Info
- Publication number
- WO2005009630A1 WO2005009630A1 PCT/JP2004/010343 JP2004010343W WO2005009630A1 WO 2005009630 A1 WO2005009630 A1 WO 2005009630A1 JP 2004010343 W JP2004010343 W JP 2004010343W WO 2005009630 A1 WO2005009630 A1 WO 2005009630A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plunger
- liquid material
- discharging
- discharge
- droplets
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- 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
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1034—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves specially designed for conducting intermittent application of small quantities, e.g. drops, of coating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
-
- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
Definitions
- the present invention discloses an adjustment method, an ejection method, and an apparatus for ejecting droplets that are repeatedly ejected (a shape adjusted for each ejection) or an accurate amount of droplets. .
- a technique in which a plunger is brought into close contact with the inner surface of a tubular member to cause droplets to fly is as follows. There is one in which a liquid material is discharged by applying an inertial force to the liquid material by suddenly stopping the liquid material (for example, see Patent Document 1). Further, there is a type in which the plunger is disposed in a liquid feed path that communicates a nozzle that discharges a liquid material and a storage unit that stores the liquid material (for example, see Patent Document 2).
- Patent Document 1 Japanese Patent Application No. 2002-301239
- Patent Document 2 Japanese Patent Application Laid-Open No. 2003-126750
- the above-described conventional technique is a technique for separating a liquid material from a nozzle before the liquid material is attached to an adherend such as a work, and is used to eject one liquid material by dropping it.
- this is an effective technique, it does not disclose a method for improving the volume accuracy of each discharge when repeatedly discharging droplets.
- two or more droplets are ejected from a nozzle in a single plunger ejection operation, or no droplet is ejected.Therefore, further improvement in ejection amount accuracy for each ejection has been desired. .
- the present invention solves the above-mentioned drawbacks of the related art, and adjusts, discharges, and discharges a discharge amount for discharging droplets that are repeatedly discharged as droplets of an accurate amount.
- the task is to provide
- the invention of claim 1 is directed to a liquid discharged from a discharge port communicating with the pipe by advancing movement and stopping of a plunger sliding in close contact with an inner wall surface of the pipe.
- the invention according to claim 2 is characterized in that the movement speed from the start to the stop is adjusted, and the operation of the plunger is controlled by controlling the operation of the plunger to the movement speed adjusted by the adjustment method according to the first aspect.
- a droplet is discharged, and the invention of claim 3 is characterized in that the droplet discharged by the method of claim 2 is applied on a work.
- the invention of claim 4 is a droplet forming method for forming a liquid material discharged from a nozzle tip into droplets by advancing movement of a plunger that slides in close contact with an inner wall surface of a pipe.
- uniform droplets are formed by controlling the speed of the plunger from the start to the stop of the moving plunger until it stops.
- control means in the liquid material discharge device moves forward and instructed (input) by the instruction means (input means).
- the travel speed from when the plunger starts to decelerate to when it stops Based on the data and controls the operation of the plunger.
- the force for dividing the liquid material discharged from the nozzle can be controlled.
- the droplet can be separated from the discharge port of the nozzle with good drainage, and the nozzle tip force can be prevented from being divided into two or more droplets and being discharged. And uniform droplets can be formed, and the ejection amount accuracy for each ejection is improved Brief Description of Drawings
- FIG. 1 is an explanatory view of the operation of a plunger, in which (a) is a speed change diagram, and (b) is a position change diagram.
- FIG. 2 is a diagram for explaining another operation of the plunger, wherein (a) is a speed change diagram, and (b) is a position change diagram.
- FIG. 3 is an overall view of the liquid material discharging apparatus, (a) is a front view, and (b) is a side view.
- FIG. 4 is an enlarged view of a main part of the liquid material discharging device.
- the amount of the liquid ejected from the tip of the nozzle is determined by the amount of advance of the plunger that presses the liquid material by sliding closely on the inner wall surface of the pipe.
- the stopped plunger starts moving forward, accelerates and decelerates after maintaining a constant speed.
- the plunger moves a specified amount by stopping and stopping (a to h in Fig. 1), or the stopping plunger starts moving forward, accelerates, and decelerates without maintaining a constant speed.
- the plunger moves by a predetermined amount by stopping (a to g in FIG. 2), the deceleration of the moving plunger (e to h in FIG. 1 and d to g in FIG. 2) is controlled.
- droplets that are smoothly divided by adjusting the deceleration have less disturbance in the droplet shape for each discharge even in repeated discharges, and the position of the division is stable, and the discharge amount accuracy is improved. Is also good.
- the frame 31 includes a frame, a discharge unit supported by the frame, a liquid material storage container, and a control unit that controls a discharge state of the liquid material.
- a frame that supports a guide rod 33 that guides the plunger support 34 in the vertical direction and a screw shaft 32 that is rotated by the motor 3 provided above the frame 31 and moves the plunger support 34 in the vertical direction.
- a lower frame that supports the measuring section 1 via the discharge valve 4, the liquid material supply valve 10, and the discharge valve 4.
- a plunger 2 that moves up and down in close contact with the inner surface of the measuring unit 1 is arranged in the measuring unit 1 supported by the frame 31 and formed of a tubular member by the vertical movement of the plunger support 34.
- the discharge valve 4 is disposed at the tip of the measuring section 1, and a lip 7 is disposed at the other end of the discharge valve 4.
- the discharge valve 4 employs a rotary valve that adopts a rotary valve that takes two positions: an open position that connects the measuring unit 1 and the nozzle 7, and a closed position that closes the nozzle 7. If is equal to the inner diameter of the measuring section 1, a slide valve or a pinch bubble may be used.
- a pipe 9 communicating with the measuring section 1 is provided on a central outer wall of the measuring section 1, and the other end of the pipe 9 is connected with the storage container 11, and a liquid is provided between the pipe 9 and the storage container 11.
- Material supply valve 10 is provided.
- the liquid material supply valve 10 has two positions: an open position that connects the measuring section 1 and the storage container 11, or a closed position that closes the storage container 11. And a storage container 11, which is provided between the storage container 11 and the storage container 11.
- the storage container 11 filled with the liquid material is connected to the storage container connector 12, the liquid material supply valve 10 is opened, the storage container 11 is communicated with the measuring section 1, and the plunger 2 is retracted. When moved, the liquid material in the storage container 11 flows into the measuring section 1 through the liquid material supply valve 10.
- the liquid material supply valve 10 is set to the closed position, the discharge valve 4 is set to the open position, and the plunger 2 advances and moves according to a desired discharge amount.
- the advance movement amount of the plunger 2 can be calculated from the desired discharge amount and the inner diameter of the measuring unit 1.
- the plunger 2 stops moving rapidly by rapidly stopping the plunger driving means without abutting the plunger 2 on the valve seat after rapidly accelerating.
- the liquid material in the measuring section 1 is discharged from the tip of the nozzle 7 by the inertia force given by the rapid movement of the plunger 2 and the sudden stop. Inertia force
- the liquid material drops when it gets larger.
- the inner diameter of the measuring section 1 and the inner diameter of the discharge valve 4 are almost equal, it is possible to effectively use the force applied to the liquid material with less pressure loss for discharging the liquid material. .
- the discharge valve 4 is set to the closed position, the liquid material supply valve 10 is set to the open position, and the plunger 2 is moved backward to supply the liquid material.
- a pressurizing means to the storage container 11 and pressurize the liquid material in the storage container 11 to promote the flow into the measuring section 1.
- the discharging operation is repeatedly performed by appropriately sucking the liquid material into the measuring unit 1 from the storage container 11 and discharging the liquid material in the measuring unit 1 from the nozzle 7.
- the liquid material stored in the measuring section 1 can be discharged several times until the liquid material in the measuring section 1 is exhausted, so that the workability such as the size of a work to be discharged is taken into consideration.
- the amount of liquid material stored in part 1 can be determined as appropriate.
- reference numeral 41 denotes a control device, which controls the rotation operation of the motor 3 and the operation of the discharge valve 4.
- Reference numeral 42 denotes input means, and the position, the moving distance, This is for inputting parameters relating to the operation of the plunger 2 such as the moving speed, the acceleration and the deceleration, and the operation of the discharge valve 4.
- the control of the discharge state of the liquid material in the control unit is performed because the amount of liquid droplets discharged from the nozzle tip is determined by the amount of advance of the plunger that slides in close contact with the inner wall surface of the pipe and presses the liquid material.
- the stopped plunger starts advance movement and accelerates to maintain a constant speed.
- the plunger moves a specified amount by decelerating and stopping later (a to h in Fig. 1), or the stopped plunger starts advance movement and accelerates and decelerates without maintaining a constant speed.
- the deceleration of the moving plunger (e to h in Fig. 1 and d in Fig. 2)
- the inertial force applied to the liquid material when the liquid material discharged from the tip of the nose is divided into the liquid material remaining on the nose and the droplets dropped from the nozzle is controlled. And the division can be performed smoothly.
- the droplets that are smoothly divided by adjusting the deceleration have less disturbance in the droplet shape for each ejection even in repeated ejection, and the position of the division is stable, and the ejection amount accuracy is improved. Is also good.
- air may remain in the pipe at the time of filling, and the pressure response may be reduced due to the compressibility of the remaining air.
- a bubble removing portion shown in FIG. 4 is added to the plunger 2 of the droplet forming apparatus of the first embodiment.
- the plunger 2 has a tubular part, the tubular part having a hole 13 communicating with the outer wall surface, a plunger rod 21 attached to the tip of the plunger rod 21, and the plunger rod 21 at the center.
- a plunger head 22 having a bubble release hole 23 communicating with the tubular part of the plunger, and having a seal part 24 on the outer wall and in close contact with the inner wall of the measuring part, and a valve rod 25 inserted into the tubular part of the plunger rod 21 It is configured.
- the upper portion of the plunger rod 21 is formed in a large-diameter cylindrical portion, and a flange portion is formed at the upper end portion.
- the flange portion allows the plunger rod 21 to be attached to the plunger support 34. Fixed.
- the large-diameter portion of the valve rod 25 is slidably mounted on the large-diameter cylindrical portion, and a fixing screw 35 screwed to a plunger support 34 is in contact with the large-diameter portion.
- a fixing screw 35 screwed to a plunger support 34 is in contact with the large-diameter portion.
- One end of the valve rod 25 is pressurized by a fixing screw 35, the other end of the valve rod 25 is in close contact with the plunger head 22, and the air vent hole 23 is closed.
- valve rod 25 When the fixing screw 35 is loosened, the valve rod 25 can be moved in the length direction of the valve rod 25. Therefore, when the valve rod 25 comes into contact with the fixing screw 35, the vano lev rod 25 and the plunger head 22 is separated from the plunger head 22 to release the air vent hole 23 provided in the plunger head 22, and communicates with the air vent hole 23 of the plunger rod 21 through the gap between the plunger rod 21 and the valve rod 25. And communicate with the outside world.
- the plunger head 22 can communicate with the outside through the plunger rod 21 and the bubble vent hole 23, and discharges air bubbles from the plunger head 21 to the outside through the path.
- the operation and control of the droplet forming apparatus having the above-described configuration are basically the same as those in the first embodiment. Air remains in the air.
- the fixing screw 35 is loosened, and the plunger 2 is moved forward with the valve rod 25 released, the valve rod 25 is pushed by the air in the measuring section 1.
- the valve rod 25 moves away from the plunger head 22, and the inside of the measuring section 1 has an air vent hole 23, a gap between the plunger rod 21 and the valve rod 25, and the plunger. Since an exhaust passage communicating with the outside is formed through the hole 13 provided in the rod 21, when the plunger 2 is further advanced, the air in the measuring section 1 is discharged to the outside via the exhaust passage.
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04770853.2A EP1649938B1 (en) | 2003-07-25 | 2004-07-21 | Liquid drop regulating method, liquid drop discharging method, and liquid drop discharging device |
US10/565,504 US7645018B2 (en) | 2003-07-25 | 2004-07-21 | Method of adjusting a liquid droplet, method of discharging the liquid droplet and apparatus therefor |
KR1020067001088A KR101187153B1 (ko) | 2003-07-25 | 2004-07-21 | 액적조정방법, 액적토출방법 및 액적토출장치 |
CN2004800209609A CN1826183B (zh) | 2003-07-25 | 2004-07-21 | 液滴放出方法及其装置 |
HK07100751.2A HK1093705A1 (en) | 2003-07-25 | 2007-01-22 | Method for discharging liquid drop and device therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003280439A JP4183577B2 (ja) | 2003-07-25 | 2003-07-25 | 液滴調整方法及び液滴吐出方法並びにその装置 |
JP2003-280439 | 2003-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005009630A1 true WO2005009630A1 (ja) | 2005-02-03 |
Family
ID=34100868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010343 WO2005009630A1 (ja) | 2003-07-25 | 2004-07-21 | 液滴調整方法及び液滴吐出方法並びにその装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7645018B2 (ja) |
EP (1) | EP1649938B1 (ja) |
JP (1) | JP4183577B2 (ja) |
KR (1) | KR101187153B1 (ja) |
CN (1) | CN1826183B (ja) |
HK (1) | HK1093705A1 (ja) |
TW (1) | TWI276475B (ja) |
WO (1) | WO2005009630A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009057268A1 (ja) * | 2007-10-30 | 2009-05-07 | Musashi Engineering, Inc. | 液体材料の滴下方法およびプログラム並びに装置 |
WO2011001810A1 (ja) * | 2009-07-01 | 2011-01-06 | 武蔵エンジニアリング株式会社 | 液体材料吐出方法、装置およびプログラム |
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CN101912836B (zh) * | 2005-10-21 | 2012-11-21 | 武藏工业株式会社 | 液体材料排出装置 |
TWI516312B (zh) * | 2007-05-18 | 2016-01-11 | Musashi Engineering Inc | Method and apparatus for discharging liquid material |
WO2009104421A1 (ja) * | 2008-02-21 | 2009-08-27 | 武蔵エンジニアリング株式会社 | 液体材料の吐出装置および方法 |
EP2578322A1 (de) * | 2011-10-04 | 2013-04-10 | Sika Technology AG | Verfahren und Anordnung zur Herstellung einer Verbundkonstruktion |
US8989347B2 (en) | 2012-12-19 | 2015-03-24 | General Electric Company | Image reconstruction method for differential phase contrast X-ray imaging |
US9014333B2 (en) | 2012-12-31 | 2015-04-21 | General Electric Company | Image reconstruction methods for differential phase contrast X-ray imaging |
CN103567113B (zh) * | 2013-11-14 | 2016-05-04 | 宁波职业技术学院 | 一种多点一次注料装置 |
KR101512767B1 (ko) * | 2013-11-14 | 2015-04-16 | 한형수 | 솔더 페이스트 토출 장치 |
CN103934158B (zh) * | 2014-03-28 | 2016-05-11 | 京东方科技集团股份有限公司 | 一种涂布装置及其预吐控制方法 |
KR101916575B1 (ko) | 2017-03-30 | 2018-11-07 | 주식회사 프로텍 | 유량 측정형 점성 용액 펌프 |
KR101899243B1 (ko) * | 2017-03-30 | 2018-09-14 | 주식회사 프로텍 | 스트로크 제어형 점성 용액 펌프 |
CN106955822B (zh) * | 2017-05-19 | 2019-02-12 | 成都西屋科技发展有限公司 | 一种前置单组分计量涂胶装置 |
KR102658663B1 (ko) | 2022-07-18 | 2024-04-17 | 동의대학교 산학협력단 | 유연 센서가 내장된 스마트 디스펜서 |
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WO1991016977A1 (en) | 1990-05-04 | 1991-11-14 | Biohit Oy | Procedure for handling liquid with the aid of a pipette |
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JP2003126750A (ja) * | 2001-10-25 | 2003-05-07 | Musashi Eng Co Ltd | 液材の吐出方法およびその装置 |
JP2003190871A (ja) * | 2001-10-17 | 2003-07-08 | Musashi Eng Co Ltd | 液材の吐出方法およびその装置 |
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2003
- 2003-07-25 JP JP2003280439A patent/JP4183577B2/ja not_active Expired - Lifetime
-
2004
- 2004-07-21 KR KR1020067001088A patent/KR101187153B1/ko active IP Right Grant
- 2004-07-21 US US10/565,504 patent/US7645018B2/en not_active Expired - Lifetime
- 2004-07-21 CN CN2004800209609A patent/CN1826183B/zh not_active Expired - Lifetime
- 2004-07-21 EP EP04770853.2A patent/EP1649938B1/en not_active Expired - Lifetime
- 2004-07-21 WO PCT/JP2004/010343 patent/WO2005009630A1/ja active Application Filing
- 2004-07-23 TW TW093122023A patent/TWI276475B/zh not_active IP Right Cessation
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2007
- 2007-01-22 HK HK07100751.2A patent/HK1093705A1/xx not_active IP Right Cessation
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JPS5751671U (ja) * | 1980-09-09 | 1982-03-25 | ||
WO1991016977A1 (en) | 1990-05-04 | 1991-11-14 | Biohit Oy | Procedure for handling liquid with the aid of a pipette |
US5343769A (en) | 1990-05-04 | 1994-09-06 | Biohit Oy | Procedure for filling and emptying a pipette, and pipette |
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JPH10314640A (ja) * | 1997-05-19 | 1998-12-02 | Matsushita Electric Ind Co Ltd | 接着剤の塗布方法および装置 |
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Title |
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See also references of EP1649938A4 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009057268A1 (ja) * | 2007-10-30 | 2009-05-07 | Musashi Engineering, Inc. | 液体材料の滴下方法およびプログラム並びに装置 |
CN101883640A (zh) * | 2007-10-30 | 2010-11-10 | 武藏工业株式会社 | 液体材料的滴下方法、程序以及装置 |
TWI473664B (zh) * | 2007-10-30 | 2015-02-21 | Musashi Engineering Inc | Liquid material drop method and memory program memory media and device |
WO2011001810A1 (ja) * | 2009-07-01 | 2011-01-06 | 武蔵エンジニアリング株式会社 | 液体材料吐出方法、装置およびプログラム |
JP2011011142A (ja) * | 2009-07-01 | 2011-01-20 | Musashi Eng Co Ltd | 液体材料吐出方法、装置およびプログラム |
Also Published As
Publication number | Publication date |
---|---|
EP1649938A1 (en) | 2006-04-26 |
US20070188531A1 (en) | 2007-08-16 |
HK1093705A1 (en) | 2007-03-09 |
KR20060063895A (ko) | 2006-06-12 |
JP2005040770A (ja) | 2005-02-17 |
JP4183577B2 (ja) | 2008-11-19 |
CN1826183A (zh) | 2006-08-30 |
TW200510080A (en) | 2005-03-16 |
TWI276475B (en) | 2007-03-21 |
EP1649938B1 (en) | 2013-09-11 |
CN1826183B (zh) | 2010-06-09 |
EP1649938A4 (en) | 2008-10-01 |
KR101187153B1 (ko) | 2012-10-05 |
US7645018B2 (en) | 2010-01-12 |
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