WO2021070602A1 - 吐出装置、移動部材及び流通制御方法 - Google Patents

吐出装置、移動部材及び流通制御方法 Download PDF

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Publication number
WO2021070602A1
WO2021070602A1 PCT/JP2020/035582 JP2020035582W WO2021070602A1 WO 2021070602 A1 WO2021070602 A1 WO 2021070602A1 JP 2020035582 W JP2020035582 W JP 2020035582W WO 2021070602 A1 WO2021070602 A1 WO 2021070602A1
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WO
WIPO (PCT)
Prior art keywords
flow path
opening
accommodating portion
moving member
discharge device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/035582
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
直哉 齋藤
卓馬 角
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThreeBond Co Ltd
Original Assignee
ThreeBond Co Ltd
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 ThreeBond Co Ltd filed Critical ThreeBond Co Ltd
Priority to JP2021550634A priority Critical patent/JP7406132B2/ja
Priority to US17/754,197 priority patent/US20220323985A1/en
Priority to EP20873655.3A priority patent/EP4043109B1/en
Priority to KR1020227008199A priority patent/KR102772621B1/ko
Priority to CN202080069763.5A priority patent/CN114502289A/zh
Publication of WO2021070602A1 publication Critical patent/WO2021070602A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • 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
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • 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
    • B05C11/1026—Valves
    • B05C11/1031—Gate valves; Sliding valves
    • 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
    • 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
    • B05C11/1026—Valves
    • B05C11/1028—Lift valves
    • 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
    • B05C11/1047—Apparatus or installations for supplying liquid or other fluent material comprising a buffer container or an accumulator between the supply source and the applicator
    • 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
    • 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
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B05C5/0229—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet the valve being a gate valve or a sliding valve
    • 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
    • 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 relates to a discharge device, a moving member, and a distribution control method.
  • Patent Document 1 discloses a technique for switching fluid flow by a needle valve arranged directly above a nozzle.
  • the needle valve is inserted into the liquid chamber, and the valve seat is arranged at a position facing the needle valve.
  • a volume change may occur in the valve when the needle valve is opened and closed.
  • the valve is closed, the volume of the adhesive or the like flows out to the discharge side, and a liquid pool is generated. If liquid pools occur, it may be difficult to apply precisely.
  • an object of the present invention is to provide a discharge device and a distribution control method capable of reducing or suppressing liquid accumulation of a material by providing a new valve mechanism directly above the nozzle.
  • the discharge device has a first accommodating portion and a moving member.
  • the first accommodating portion allows the material to flow and extends in the first flow path extending in the first direction and in the second direction intersecting the first direction and communicating with the first flow path. It is provided with a flow path and a third flow path which is provided in parallel with the first direction, flows through the second flow path, and is separated from the first flow path and the axis.
  • the moving member includes a first portion and a second portion. The moving member is arranged so as to be movable in the second direction in the second flow path.
  • the first part is at least one of the first opening that communicates between the first flow path and the second flow path and the second opening that communicates between the second flow path and the third flow path when located in overtime. It is configured so that one can be closed.
  • the second portion is provided so as to be connected to the first portion, and when it is located on the extension line, the first flow path is communicated with the second flow path and the second flow path is communicated with the third flow path. ..
  • one aspect of the present invention is a moving member including the first portion and the second portion.
  • one aspect of the present invention is a material distribution control method using the discharge device.
  • FIG. 4 It is a perspective view which shows the discharge device which concerns on one Embodiment of this invention. It is a front view of FIG. It is a plan view of FIG. It is sectional drawing which follows the 4-4 line of FIG. It is a detailed view which shows the A part of FIG. 4, and is the figure which shows the state which the 1st part of the moving member closed the 2nd opening. It is a detailed view which shows the A part of FIG. 4, and is the figure which shows the state which the 2nd part of a moving member faces a 1st opening and a 2nd opening. It is a flowchart which shows the distribution control method of the material which concerns on one Embodiment of this invention.
  • the discharge device 100 can be used when a one-component material such as CIPG (Cured In Place Gasket) or the like is discharged in a fixed quantity.
  • the discharge device 100 includes accommodating units 10, 20, 30, 40, 60, a moving member 50, a discharge unit 70, and valves 80, 90.
  • the accommodating unit 40 corresponds to the first accommodating unit
  • the accommodating unit 60 corresponds to the second accommodating unit
  • the accommodating unit 30 corresponds to the third accommodating unit
  • the accommodating unit 10 corresponds to the fourth accommodating unit. ..
  • the "material” in the present embodiment is not particularly limited, but includes, as an example, a silicone resin, a (meth) acrylate resin, an epoxy resin, a urethane resin, and the like, and the cured forms include thermosetting, moisture curing, photocuring, and drying. A mold etc. can be adopted. The details will be described below.
  • the accommodating portion 10 includes an inlet member 11, an installation member 12, flow paths 13 to 16 (corresponding to the fifth flow path), a needle valve 17, a valve seat 18, and packing 19. Be prepared.
  • the installation member 12 of the accommodating portion 10 is installed adjacent to the storage member 32 of the accommodating portion 30.
  • the inlet member 11 forms a portion where the flow path 13 of the inlet portion for supplying the material is provided.
  • the upstream of the flow path 13 branches into the inlets 13a and 13b, and the material can be circulated from the inlet 13a and used as a part where the first discharge of the discharge device 100 and the material exchange are performed at the inlet 13b.
  • the flow path 13 is formed in a straight line in the present embodiment, the shape of the flow path is not limited to a straight line, and may be a curved shape or another shape as long as the fluid can be efficiently circulated.
  • the installation member 12 is provided adjacent to the entrance member 11.
  • the installation member 12 is provided with flow paths 14, 15 and 16.
  • the flow path 14 is configured to communicate with the flow path 13 in a state where the inlet member 11 is connected to the installation member 12.
  • the flow path 15 communicates with the flow path 14, and the end portion of the flow path 14 is bent by about 90 degrees.
  • a needle valve 17 is movably provided in the flow path 15, and a valve seat 18 is installed.
  • the flow path 16 communicates with the flow path 15 and is configured to intersect the flow path 15.
  • the flow paths 13 to 16 are provided upstream of the accommodation space 35 of the accommodation unit 30.
  • the portion of the accommodating portion 10 that constitutes the flow paths 13 to 16 may be composed of a member that is a combination of the inlet member 11 and the installation member 12.
  • the needle valve 17 is configured to be long and has a sharp tip.
  • the needle valve 17 is installed so as to be movable back and forth in the flow path 15.
  • the tip of the needle valve 17 is configured to be seated on the valve seat 18 so that the material flowing from the flow path 14 can be blocked in the flow path 15.
  • the valve seat 18 is installed on the upstream side of the needle valve 17 in the flow path 15.
  • the valve seat 18 is provided with an inclined seating surface that makes surface contact (contact) with the tip of the needle valve 17, so that the material flowing from the flow path 14 can be blocked.
  • the valve seat 18 is made of a material such as plastic or metal, and particularly preferably plastic or the like containing glass particles can be used.
  • the packing 19 is provided so that the material flowing from the flow paths 13 and 14 does not communicate with (seal) the space 25 of the accommodating portion 20, which will be described later.
  • the packing 19 includes one or more shapes bent like a V shape in a cross section along the axial direction (first direction X), and particularly like the V shape. It is preferable to arrange three or more bent shapes.
  • the accommodating portion 20 includes a first member 21, a second member 22, a connecting member 23, and a pusher 24.
  • the first member 21 includes a space 25 in which the connecting member 23 connected to the needle valve 17 can be moved.
  • the second member 22 is arranged adjacent to the first member 21 and has a space 26 in which a pusher 24 for applying a propulsive force to the connecting member 23 can be moved, and a hole for air flow and discharge of leaked liquid agent.
  • a unit 27 is provided. If a space 25 in which the connecting member 23 can move and a space 26 in which the pusher 24 can move can be prepared, the first member 21 and the second member 22 may be composed of a combination of both as one component. ..
  • the connecting member 23 includes a connecting portion that can be connected to the needle valve 17 and a connecting portion that can be connected to the pusher 24.
  • the connecting member 23 is configured as a column such as a hexagonal column or a cylinder.
  • the specific shape is not limited to the pillar as long as a propulsive force for moving the needle valve 17 in the longitudinal direction (first direction X) can be applied.
  • the pusher 24 applies a propulsive force for moving the needle valve 17 in the longitudinal direction (first direction X) via the connecting member 23.
  • the pusher 24 is configured as a column such as a hexagonal column or a cylinder like the connecting member 23.
  • the specific shape is not limited to the pillar body as long as the needle valve 17 can be moved in the longitudinal direction (first direction X) via the connecting member 23.
  • the accommodating portion 20 can be configured like an air piston as an example.
  • the accommodating portion 30 includes a closing member 31, a storage member 32, a plunger 33, and an inclined portion 34.
  • the accommodating portion 30 is installed adjacent to the accommodating portion 40.
  • the closing member 31 is arranged adjacent to the storage member 32 and is configured to close the storage space 35 for the material formed by the storage member 32.
  • the closing member 31 is provided with a hole through which the plunger 33 can slide, and a sealing member for liquid-tightly sealing the accommodation space 35 can be provided in the hole.
  • the storage member 32 is arranged adjacent to the closing member 31 and is provided with a storage space 35 (corresponding to the fourth flow path) capable of flowing and storing the material flowing from the flow path 16.
  • the accommodating space 35 is located on the upstream side of the first flow path 43 of the accommodating portion 40.
  • the accommodation space 35 is configured to be long in accordance with the moving direction (first direction X) of the plunger 33 and to have a substantially circular cross section intersecting the longitudinal direction.
  • the inclined portion 34 is provided below the accommodation space 35, that is, downstream of the accommodation space 35.
  • the inclined portion 34 is configured to provide an inclined surface having a substantially truncated cone shape according to the tip shape of the plunger 33.
  • a pressure sensor can be installed in the storage member 32 to detect the pressure in the accommodation space 35.
  • the plunger 33 slides through the hole of the closing member 31, and the tip of the plunger 33 is configured to be able to move forward and backward in the accommodation space 35.
  • the plunger 33 is configured so that the material contained in the accommodation space 35 can be extruded toward the first flow path 43 by moving back and forth in the accommodation space 35.
  • a bearing such as a floating joint can be provided at the base end of the plunger 33, and this can be connected to a ball screw or an electric motor (not shown).
  • the accommodating portion 40 includes a forming member 41, a mounting member 42, a first flow path 43, a second flow path 44, a third flow path 45, packings 46, 47, and 48.
  • the packing 46 corresponds to the first seal member
  • the packing 47 corresponds to the second seal member.
  • the forming member 41 is provided with a first flow path 43, a second flow path 44, and a third flow path 45.
  • the mounting member 42 is provided adjacent to the forming member 41, and is provided with a portion for mounting the discharge portion 70. If the first flow path, the second flow path, and the third flow path are provided and the discharge portion can be attached, the first member and the second member may be composed of one component. Further, in the present embodiment, the forming member 41 is integrally formed with the installation member 12 of the accommodating portion 10.
  • the first flow path 43 is located upstream of the second flow path 44 and the third flow path 45.
  • the material can be circulated in the first flow path 43 and is configured to extend in the first direction X.
  • the first flow path 43 is configured to communicate with the accommodation space 35 of the accommodation unit 30.
  • the first flow path 43 has a substantially circular cross-sectional shape that intersects the distribution direction in the present embodiment.
  • the second flow path 44 extends in the second direction Y intersecting the first direction X in which the first flow path 43 extends, and is configured to communicate with the first flow path 43.
  • a moving member 50 which will be described later, is movably arranged in the second flow path 44. Further, a portion where packings 46 and 48 can be installed is provided at an end portion of the second flow path 44 in the distribution direction (second direction Y). Further, a portion where the packing 47 can be installed is provided in the intermediate portion of the second flow path 44 in the distribution direction. In addition to those shown in FIG. 4, the forming member 41 may be divided in the left-right direction of FIG. 4 at a portion where the packing 47 is installed.
  • the packing 46 is provided in the second flow path 44.
  • the packing 46 seals the second flow path 44 and the space 65 of the accommodating portion 60 in a state where the connecting member 63 of the accommodating portion 60 is connected to the moving member 50.
  • the packing 47 is the first portion in the longitudinal direction (second direction Y) when the first portion 51 of the moving member 50 closes at least one of the first opening 49a and the second opening 49b in the second flow path 44. It is installed in the second flow path 44 at the boundary between 51 and the second portion 52.
  • the packing 48 seals the part where the material flows in the second flow path 44 and the other part so as not to communicate with each other.
  • the packings 46, 47, and 48 include one or more bent shapes such as a V-shape in a cross section, and it is particularly preferable to arrange three or more bent shapes such as a V-shape.
  • the moving member 50 includes a first portion 51 and a second portion 52.
  • the moving member 50 is formed in an elongated shape by including the first portion 51 and the second portion 52.
  • the moving member 50 is configured so that the second direction Y corresponding to the longitudinal direction is parallel to the horizontal direction in the installed state of the discharge device 100.
  • the first portion 51 is movably arranged in the second flow path 44 in the second direction Y.
  • the first portion 51 is a first opening 49a and a second flow path in which the first flow path 43 and the second flow path 44 communicate with each other when the first flow path 43 or the second flow path 44 is located on an extension line. It is configured to block at least one of the second openings 49b in which the 44 and the third flow path 45 communicate with each other.
  • the first portion 51 slides in the second direction Y, which is different from the first direction X to which the second opening 49b faces, so as to close the second opening 49b. It is configured. In this state, the flow of the material flowing from the accommodation space 35 can be blocked.
  • the second part 52 is provided so as to be connected to the first part 51.
  • the second portion 52 communicates with the first flow path 43 and the second flow path 44 when it is located on the extension line of the first flow path 43 and the third flow path 45, and the second flow path 44 and the third flow path 44.
  • the road 45 is connected to the road 45.
  • the second portion 52 is configured such that the cross section intersecting the second direction Y corresponding to the longitudinal direction is smaller than that of the first portion 51.
  • the second portion 52 is formed in a rod shape or a cylindrical shape in the present embodiment.
  • the moving member 50 operates in association with the operation of the plunger 33 by a processor such as a CPU included in the discharge device and a memory such as a ROM or RAM in the present embodiment.
  • a processor such as a CPU included in the discharge device and a memory such as a ROM or RAM in the present embodiment.
  • the moving member 50 is configured so that the second flow path 44 communicates with the first flow path 43 and the third flow path 45 after the internal pressure of the accommodation space 35 reaches a specified value (predetermined value) by the plunger 33. it can.
  • the moving member 50 can be operated so that the second flow path 44 communicates with the first flow path 43 and the third flow path 45 at the same time as the advance / retreat movement of the plunger 33.
  • the moving member 50 can be configured to include stainless steel such as SUS.
  • the accommodating portion 60 includes a first member 61, a second member 62, a connecting member 63, and a pusher 64.
  • the accommodating portion 60 is installed adjacent to the accommodating portion 40.
  • the first member 61 includes a space 65 (corresponding to the first space) in which the connecting member 63 can move while the connecting member 63 is connected to the moving member 50.
  • the second member 62 is arranged adjacent to the first member 61, and has a space 66 in which a pusher 64 for applying a propulsive force to the connecting member 63 can move, and a hole for air flow and discharge of leaked liquid agent.
  • a unit 67 is provided. If a space in which the connecting member 63 can move and a space in which the pusher 64 can move can be prepared, the first member 61 and the second member 62 may be combined and configured as one component.
  • the connecting member 63 includes a connecting portion connected to the moving member 50 and a connecting portion connectable to the pusher 64.
  • the connecting member 63 is configured as a column such as a hexagonal column or a cylinder, similarly to the connecting member 23.
  • the specific shape is not limited to the pillar body.
  • the pusher 64 imparts a propulsive force for moving the moving member 50 in the longitudinal direction (second direction Y) via the connecting member 63.
  • the pusher 64 is configured as a column such as a hexagonal column or a cylinder, similarly to the connecting member 63.
  • the specific shape is not limited to the pillar body as long as the moving member 50 can be moved in the second direction Y corresponding to the longitudinal direction via the connecting member 63.
  • the accommodating portion 60 can be configured like an air piston like the accommodating portion 20.
  • the discharge unit 70 is configured to be capable of discharging the material flowing from the third flow path 45 of the accommodating unit 40.
  • a known nozzle can be attached to the discharge unit 70.
  • the valves 80 and 90 are configured to be able to switch between supplying and shutting off a fluid such as air as a power for driving the pushers 24 and 64 of the accommodating portions 20 and 60.
  • the valve 80 is configured to be able to supply (circulate) a fluid such as air to the space 26 in which the pusher 24 moves in the accommodating portion 20.
  • the valve 90 is configured to be able to supply (circulate) a fluid such as air to the space 66 in which the pusher 64 moves in the accommodating portion 60.
  • the fluid supplied from the valves 80 and 90 is not limited to air, and may be composed of a fluid such as nitrogen as long as propulsive force can be applied to the pushers 24 and 64.
  • the material distribution control method according to the present embodiment is outlined with reference to FIG. 7, in which the second portion 52 of the moving member 50 faces the first opening 49a and the second opening 49b (ST3). Further, the first portion 51 of the moving member 50 closes the first opening 49a or the second opening 49b (ST4). The details will be described below.
  • the parts are assembled in a state where the discharge device 100 is not assembled, and the discharge device 100 is assembled as shown in FIG. 4 (ST1).
  • the valves 80 and 90 are connected to a fluid supply source (not shown).
  • the entrance 13a of the accommodating portion 10 is connected to the material supply source.
  • the material is supplied from the inlet 13a.
  • the material flows through the flow paths 13, 14, 15, and 16 in a state where the needle valve 17 is not in contact with the valve seat 18, and flows into the accommodation space 35.
  • the plunger 33 By moving the plunger 33 forward and backward while being separated from the inclined portion 34, the material can be distributed from the accommodating space 35 to the discharge portion 70 via the first flow path 43, the second flow path 44, and the third flow path 45. it can.
  • the material distribution there is a case where the material is temporarily stored in the storage space 35 by controlling the material distribution in the storage unit 40.
  • the needle valve 17 and the valve seat 18 are placed adjacent to each other to close the hole in the valve seat 18.
  • the moving member 50 is slid and moved in the second direction Y as shown in FIGS. 5 and 6, and the second portion 52 of the moving member 50 is moved to the first flow path 43 and the second flow path 43. It faces the first opening 49a of the 44 and the second opening 49b of the second flow path 44 and the third flow path 45 (ST3).
  • the area of the cross section intersecting the longitudinal direction of the second portion 52 is smaller than the area of the cross section intersecting the longitudinal direction of the first portion 51, and is smaller than the area of the axially orthogonal cross section of the second flow path 44. Therefore, the material flowing from the first flow path 43 can pass through the first opening 49a and flow to the second flow path 44, and further pass through the second opening 49b and flow to the third flow path 45. As a result, the material from the first flow path 43 can be circulated to the discharge unit 70.
  • the second portion 52 faces the first opening 49a and the second opening 49b means that the second portion 52 faces the first opening 49a and the second opening 49b particularly in the radial direction (opposing). It means to put it in a state.
  • the portion of the first portion 51 of the moving member 50 on the left side of the second portion 52 shown in FIG. 5 closes the second opening 49b between the second flow path 44 and the third flow path 45 (ST4).
  • the moving member 50 is slid and moved in the second direction Y.
  • the first portion 51 is in contact with the packings 46, 47, and 48. Therefore, the material flowing from the accommodation space 35 upstream is blocked by the first portion 51 on the left side of the second portion 52, and the distribution of the material to the third flow path 45 and the discharge portion 70 is blocked.
  • the accommodation space 35 can be used like a tank. In this case, by closing the second opening 49b with the first portion 51 of the moving member 50, the material flowing from the flow path 13 can be temporarily stored in the accommodation space 35.
  • the supply of the material to the accommodation space 35 is stopped by opening the valve 80, moving the pusher 24 and the connecting member 23 in the longitudinal direction, and bringing the needle valve 17 and the valve seat 18 into contact with each other.
  • the discharge device 100 includes the accommodating portion 40 and the moving member 50.
  • the accommodating portion 40 includes a first flow path 43, a second flow path 44, and a third flow path 45.
  • the first flow path 43 is capable of circulating material and extends in the first direction X.
  • the second flow path 44 extends in the second direction Y intersecting the first direction X, and is configured to communicate with the first flow path 43.
  • the third flow path 45 is provided in parallel with the first direction X, and is configured to communicate with the second flow path 44 and to separate the axis from the first flow path 43.
  • the moving member 50 includes a first portion 51 and a second portion 52. The first portion 51 is movably arranged in the second flow path 44 in the second direction Y.
  • the first portion 51 is a first opening 49a and a second flow path that communicate with the first flow path 43 and the second flow path 44 when located on the extension line of the first flow path 43 or the third flow path 45. At least one of the second openings 49b communicating the 44 and the third flow path 45 is closed.
  • the second portion 52 is provided in series with the first portion 51, communicates the first flow path 43 with the second flow path 44 when located on the extension line, and connects the second flow path 44 with the third flow path 45. Make it in communication with.
  • the first portion 51 and the second portion 52 are formed in an elongated shape.
  • the second portion 52 is configured so that the cross section intersecting in the longitudinal direction is smaller than that of the first portion 51.
  • the flow path is provided along the longitudinal direction of the needle valve, and the hole of the valve seat through which the material flows is the above flow. It may be facing the road.
  • the direction of the hole of the valve seat is almost the same as the longitudinal direction of the flow path, when the material flow is blocked between the needle valve and the valve seat, the material is compared with the hole of the valve seat. It circulates vigorously, and there is a risk that the volume of the material will change on the downstream side.
  • the first direction X toward which the second opening 49b closed by the moving member 50 faces is different from the extending second direction Y of the second flow path 44. doing.
  • the moving member 50 slides in parallel with the extending second direction Y of the second flow path 44, so that the material that flows into the third flow path 45 when the material is circulated from the second opening 49b. Volume change can be prevented or suppressed.
  • the second portion 52 smaller than the first portion 51, it is possible to take a relatively large space in the second flow path 44 where the material exists. As a result, the material can be easily dispersed around the second portion 52, and uneven wear can be prevented or suppressed from occurring in the second portion 52.
  • the moving member 50 is configured so that the longitudinal direction (second direction Y) of the first portion 51 and the second portion 52 extends in the horizontal direction in the installed state of the discharge device 100.
  • the longitudinal direction of the moving member 50 is different from the longitudinal direction of the needle valve 17 and the plunger 33 (first direction X), so that the size of the discharge device can be suppressed by that amount.
  • the second portion 52 is configured to be formed in a rod shape or a cylindrical shape. With this configuration, the material flowing from the upstream in the cross section intersecting the longitudinal direction of the moving member 50 can be easily dispersed around the second portion 52. As a result, it is possible to prevent or suppress uneven wear of the second portion 52. Further, the sealing performance at the sealing portion of the packings 46 to 48 can be improved.
  • the discharge device 100 is installed adjacent to the connecting member 63 that can be connected to the moving member 50 and the accommodating portion 40, and the space 65 in which the connecting member 63 moves while the connecting member 63 is connected to the moving member 50.
  • the accommodating portion 60 is provided.
  • the discharge device 100 is provided in the second flow path 44, and includes a packing 46 that seals the second flow path 44 and the space 65 in a state where the connecting member 63 is connected to the moving member 50.
  • the packing 46 is configured to include a portion whose cross section is formed in a bent shape. This makes it possible to prevent a material such as a liquid from leaking from the second flow path 44 into the space 65.
  • the discharge device 100 includes a packing 47.
  • the packing 47 is provided at the boundary between the first portion 51 and the second portion 52 in the longitudinal direction when the first portion 51 closes at least one of the first opening 49a and the second opening 49b in the second flow path 44. It is installed in the second flow path 44.
  • the discharge device 100 includes an accommodating portion 30 and a plunger 33 movably provided in the accommodating portion 30.
  • the accommodating portion 30 is installed adjacent to the accommodating portion 40, and includes an accommodating space 35 provided upstream of the first flow path 43.
  • the plunger 33 is movably installed in the accommodation space 35, and is configured so that the material accommodated in the accommodation space 35 can be extruded toward the first flow path 43 by advancing and retreating. With this configuration, the material stored in the storage space 35 can be quantitatively pumped to the first flow path 43.
  • the discharge device 100 includes an accommodating portion 10, a needle valve 17 provided in the accommodating portion 10, and a valve seat 18.
  • the accommodating portion 10 is arranged adjacent to the accommodating portion 30 and is provided upstream from the accommodating space 35.
  • the needle valve 17 is installed so as to be movable back and forth in the flow path 15.
  • the valve seat 18 is installed on the upstream side of the needle valve 17 in the flow path 15, and abuts on the needle valve 17 to block the flow of materials in the flow path 15. With this configuration, it is possible to switch on / off the storage of the material in the accommodation space 35. Further, by using the needle valve 17 and the valve seat 18 for opening and closing the liquid supply of the material from the flow path 13, the flow of the material can be blocked even at a relatively high pressure resistance.
  • the moving member 50 is arranged so that the first portion 51 of the moving member 50 closes at least one of the first opening 49a and the second opening 49b. The flow of material from the flow path 43 is blocked. Further, the moving member 50 is arranged so that the second portion 52 faces the first opening 49a and the second opening 49b, and the material from the first flow path 43 is passed through the second flow path 44 to the third flow path 45. To distribute to. With this configuration, it is possible to prevent or suppress a volume change of the material when the material flowing from the second opening 49b flows into the third flow path 45 directly above the discharge portion 70 corresponding to the nozzle. .. Therefore, the material can be applied precisely by preventing or suppressing the liquid accumulation of the material.
  • the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the claims.
  • the embodiment in which the installation member 12 of the accommodating portion 10 and the forming member 41 of the accommodating portion 40 are integrated has been described.
  • the present invention is not limited to this, and both may be configured as separate bodies (separate parts).
  • a portion (see FIG. 5) on the left side of the second portion 52 in the first portion 51 of the moving member 50 closes the second opening 49b to block the flow of the material has been described.
  • the present invention is not limited to this, and the portion on the right side of the second portion 52 of the moving member 50 may be configured to close the first opening 49a of the first flow path 43 and the second flow path 44. With this configuration as well, it is possible to prevent or suppress the accumulation of liquid in the material and apply the material precisely. Further, although it has been described above that the accommodating portions 20 and 60 can be configured like an air piston, the present invention is not limited to this, and the accommodating portions 20 and 60 may be configured like a motor.

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  • Coating Apparatus (AREA)
  • Lift Valve (AREA)
PCT/JP2020/035582 2019-10-07 2020-09-18 吐出装置、移動部材及び流通制御方法 Ceased WO2021070602A1 (ja)

Priority Applications (5)

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JP2021550634A JP7406132B2 (ja) 2019-10-07 2020-09-18 吐出装置、移動部材及び流通制御方法
US17/754,197 US20220323985A1 (en) 2019-10-07 2020-09-18 Dispensing apparatus, movable member, circulation control method
EP20873655.3A EP4043109B1 (en) 2019-10-07 2020-09-18 Ejection device, transfer member, and circulation control method
KR1020227008199A KR102772621B1 (ko) 2019-10-07 2020-09-18 토출장치, 이동부재 및 유통 제어 방법
CN202080069763.5A CN114502289A (zh) 2019-10-07 2020-09-18 喷出装置、移动构件及流通控制方法

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JP2019184532 2019-10-07
JP2019-184532 2019-10-07

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EP (1) EP4043109B1 (https=)
JP (1) JP7406132B2 (https=)
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EP4043109A1 (en) 2022-08-17
US20220323985A1 (en) 2022-10-13
EP4043109A4 (en) 2023-11-08
TWI832009B (zh) 2024-02-11
KR20220072827A (ko) 2022-06-02
CN114502289A (zh) 2022-05-13
KR102772621B1 (ko) 2025-02-24
TW202114787A (zh) 2021-04-16
JPWO2021070602A1 (https=) 2021-04-15
JP7406132B2 (ja) 2023-12-27
EP4043109B1 (en) 2025-08-06

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