CN108146075A - Coating head unit - Google Patents

Coating head unit Download PDF

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Publication number
CN108146075A
CN108146075A CN201611227366.8A CN201611227366A CN108146075A CN 108146075 A CN108146075 A CN 108146075A CN 201611227366 A CN201611227366 A CN 201611227366A CN 108146075 A CN108146075 A CN 108146075A
Authority
CN
China
Prior art keywords
unit
liquid
ink jet
jet type
coating head
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.)
Granted
Application number
CN201611227366.8A
Other languages
Chinese (zh)
Other versions
CN108146075B (en
Inventor
闵庚俊
吴和东
金熙根
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.)
Top Engineering Co Ltd
Original Assignee
Top Engineering 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 Top Engineering Co Ltd filed Critical Top Engineering Co Ltd
Publication of CN108146075A publication Critical patent/CN108146075A/en
Application granted granted Critical
Publication of CN108146075B publication Critical patent/CN108146075B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/07—Ink jet characterised by jet control
    • 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
    • B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
    • 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
    • B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features

Abstract

The present invention relates to a kind of coating head units.The present invention provides a kind of coating head unit, including：Base modules, described matrix module include base panel and head module installation unit, and described matrix panel is vertically set, and the head module installation unit has the fixation pin insertion hole vertically formed, and is connected to base panel in the horizontal direction；And head module, the head module includes main panel and fixed plate, the main panel is vertically set, the fixed plate is connected to main panel in the horizontal direction, and with the fixed pin located on the downside of it, wherein, it inserts in the hole when fixed pin is inserted into fixed pin, and when the bottom surface of fixed plate is contacted with the upper surface of head module installation unit, head module is connected to base modules.

Description

Coating head unit
Technical field
The present invention relates to a kind of coating head units.More particularly it relates to a kind of coating head unit, with ink-jet side Formula discharges liquid, and can realize good maintenance and discharge control.
Background technology
Discharge or application be used to manufacture electronic device for performing the equipment of the liquid of specific function on substrate.Example Such as, in order to manufacture the flat-panel monitor (FPD) of such as liquid crystal display (LCD) or OLED display, using various apparatus for coating, To form the configuration for performing predetermined function on substrate.
As an example, the colored substrate of color filter layers is provided with by engagement and arranges driving element on it Thin film transistor (TFT) (TFT) substrate manufacture liquid crystal display.Liquid crystal is applied between colored substrate and TFT substrate, and is applied Add gluing paste or sealant, colored substrate and TFT substrate are bonded together.
In order to manufacture liquid crystal display, OLED element or OLED display, using various apparatus for coating, it is used to form liquid crystal Layer, sealant pattern, both alignment layers, spacer, conductive pattern, colored filter, luminescent layer, black matrix" or fluorescence coating.
Fig. 1 shows the example of apparatus for coating of the prior art.
Apparatus for coating 1 includes：Frame 3；Saddle 5, saddle is set on the frame 3, and scheduled liquid is coated on it On substrate S be loaded on saddle；Head supporting member 7, is arranged on saddle 5；And coating head unit 9, it is arranged on head On supporting member 7 and it is coated with predetermined liquid.Saddle 5 is configurable to along X-axis or Y direction operation.Head supporting member 7 can be installed To be moved linearly on frame 3 along Y direction by drive motor 8.It the position of coating head unit 9 can be along Z-direction It is adjusted, to adjust the relative position between coating head unit 9 and substrate, and can also be along X-direction or/and Y direction Operation.
As the example of apparatus for coating 1, Korean Patent Application Publication No.10-2011-0136236 discloses a kind of raw material Unit is dripped, by linear motor linear operating, and discharges the liquid crystal of the predetermined amount in storage container (syringe).
Recently, liquid is discharged with ink-jetting style so that the liquid precisely measured to be provided to the use of the apparatus for coating of substrate increasing Add.
But in the case where coating head unit is arranged on an one integral piece in inkjet type apparatus for coating, it is not easy to safeguard and Manage coating head unit.In the case where discharging liquid with ink-jetting style, liquid may be arranged in some cases by ink jet type The problem of going out unit leakage, pollution substrate may be caused.In addition, it is necessary to including various additional configurations, for will be with ink-jet The liquid that mode is discharged is supplied to ink jet type deliverying unit, the liquid to be discharged of heating to keep viscosity or check the liquid to be discharged The residual quantity of body, but up to the present there are no provide its suitable solution.
Invention content
Making efforts to make the present invention to provide a kind of coating head unit, the coating head unit is configured to separate, Thus, it is possible to easily safeguard.
Also make great efforts to make the present invention to provide a kind of coating head unit, the coating head unit is by supplying what is discharged The leakage of liquid that the supply of liquid is easily controlled to prevent from being discharged during liquid.
Also make great efforts to make the present invention to provide a kind of coating head unit, the liquid that the coating head unit can will discharge Ink jet type deliverying unit is effectively transmitted to, and the liquid to be discharged easily is managed when discharging liquid with ink-jetting style State.
The exemplary embodiment of the present invention provides a kind of coating head unit, including：Base modules, described matrix module packet Base panel and head module installation unit are included, described matrix panel is vertically set, and the head module installation unit has The fixation pin insertion hole vertically formed, and it is connected to base panel in the horizontal direction；And head module, the head module Including main panel and fixed plate, the main panel is vertically set, and the fixed plate is connected to main panel in the horizontal direction, And with the fixed pin located on the downside of it, wherein, it inserts in the hole when fixed pin is inserted into fixed pin, and the bottom surface of fixed plate When being contacted with the upper surface of head module installation unit, head module is connected to base modules.
Sunk part can be formed in fixed pin, and head module installation unit can be provided with and fit into sunk part In locking component, to be inserted into a state that fixed pin inserts in the hole in fixed pin, locking component fits into sunk part In, to prevent fixed pin from exiting.
Head module installation unit can also include installation check sensor and locking component operating unit, the installation check Sensor senses the contact between fixed plate and head module installation unit, and the locking component operating unit is passed based on installation check The sensing result of sensor and operate locking component.
Installation check sensor can be configured in the form of the switch pushed by fixed plate.
Head module can have the liquid supply bottle storage part at the upside of fixed plate.
Liquid supply bottle can be stored on liquid supply bottle storage part, and closure member may be coupled to liquid supply The top of bottle.
Guide groove can be vertically formed at the side of closure member, and be inserted into the guide pin in guide groove can be in base It is stretched out at the front upper side of honorable plate.
First liquid supply tube is inserted into closure member, and the liquid in liquid supply bottle is supplied via first liquid It should pipe supply.
Head module can be provided with filter element, and the filter element is supplied with liquid via the first liquid supply tube, And remove foreign substance or bubble from liquid.
Pinch valve can be arranged in base panel, the pinch valve by push the first liquid supply tube come cut off via The flowing of the liquid of first liquid supply tube.
Pinch valve can include the first component with concave portions and the second component with male portion, and clamp Valve can be by mobile first component or second component so that the first liquid supply tube is located in concave portions and divides it with male portion Between, to cut off the flowing of the liquid via the first liquid supply tube.
Closure member can be provided with clamping unit, and the clamping unit includes operating lever, and passes through and the first liquid is pushed to supply Should pipe close the first liquid supply tube or the first liquid supply tube discharged according to the operation of operating lever.
Clamping unit can set interlocking sensor operations protrusion, and the interlocking sensor operations protrusion is single according to clamping The operation of member and move, and base panel can set interlocking sensor, the interlocking sensor sensing interlocking sensor Operate the position of protrusion.
When the sensing result based on interlocking sensor determines that clamping unit closes the first liquid supply tube, head module can be with It is controlled as separating with base modules.
Head module can include being mounted on the ink jet type deliverying unit on the downside of main panel.
In a state that head module is connected to base modules, heating unit can be arranged on the lower end of base panel, The heating unit is contacted with the bottom surface of the fluid storage unit of ink jet type deliverying unit, and is heated and be stored in fluid storage list Liquid in member.Heating unit can be configured in the form of a plate, and heating unit there can be heating element to be inserted into hole, heating Element is inserted into the heating element and inserts in the hole.
Ink jet type deliverying unit can include fluid storage unit, fluid storage unit lid and ink jet type nozzle unit, The fluid storage unit has the fluid storage space of storage liquid, and the fluid storage unit lid closing liquid storage is single The upside of member, the ink jet type nozzle unit are connected at the side of fluid storage unit, are supplied with from fluid storage list The liquid of member, and liquid is discharged in a manner of ink-jet.
A pair of of form facing with each other can be arranged at the side of fluid storage unit, and is sensed liquid by form and stored up The fluid storage unit horizontal sensor of liquid level in memory cell can be arranged in base panel.
At least one Level tune component stretched out from the inner wall of fluid storage unit can be arranged on fluid storage list On the inner wall of member.At least a pair of of Level tune component can be placed on fluid storage unit facing with each other with zig-zag fashion On inner wall.
The first through hole and the second through-hole that liquid is supplied to via it in ink jet type nozzle unit can be formed in liquid storage In the bottom surface of memory cell, and ink jet type nozzle unit can include connect with first through hole the first fluid connection hole, and The second liquid intercommunicating pore of second through-hole connection and the liquid connected with the first fluid connection hole and second liquid intercommunicating pore supply Channel is answered, and ink jet type nozzle unit has multiple nozzles lower part formed therein.
The next door that the fluid storage space of fluid storage unit can be stretched out by the bottom surface from fluid storage space point It opens, with scheduled height, any region limited by next door can be first filled with liquid, and liquid can be via Any one in one through-hole and the second through-hole is supplied in liquid service duct.
Ink jet type nozzle accommodation space can be formed at the side of fluid storage unit, and prominent space segment can be formed At the both sides of the ink jet type nozzle accommodation space of fluid storage unit, and ink jet type nozzle unit can be contained in ink jet type In nozzle accommodation space.
Ink jet type deliverying unit can also include ink jet type nozzle unit lower cover, and the ink jet type nozzle unit lower cover limits Nozzle insertion space, the lower part of ink jet type nozzle unit is inserted into nozzle insertion space, and ink jet type nozzle unit lower cover connects It is connected to the lower part of prominent space segment.
Ink jet type deliverying unit can also include ink jet type nozzle unit protection cap, the protection of ink jet type nozzle unit protection cap Ink jet type nozzle unit, and fixed to ink jet type nozzle unit lower cover.
According to the present invention, coating head unit includes base modules and head module, and head module can be in a simple manner It is connected to base modules and is separated with base modules, thus easily assemble coating head unit and safeguard coating head unit.
According to the present invention, the supply of the liquid of bottle is supplied there is provided the liquid that can be cut off from coating head unit, thus Prevent the leakage of liquid.According to the present invention, after confirmation prevents the leakage of liquid, coating head unit can separate, thus Realization prevents the effect polluted as caused by the carelessness of operator.
The present invention has with the ink jet type deliverying unit of ink-jetting style discharge liquid, and thus, it is possible to accurately discharge liquid. Ink jet type deliverying unit is completed to manufacture by effectively assembling multiple constituent element.
According to an aspect of the present invention, the liquid that sensing can be made to be arranged in ink jet type deliverying unit is had the effect that The error minimization of liquid level in body storage element, and can prevent as caused by the trapped gas in ink jet type nozzle unit Discharge defect.
Foregoing invention content is merely illustrative, and is not intended to be limited in any way.In addition to illustrative above Except aspect, embodiment and feature, by reference to attached drawing and the following detailed description, other aspect, embodiment and features will become It obtains clear.
Description of the drawings
Fig. 1 is the view for the example for showing apparatus for coating of the prior art.
Fig. 2 is the stereogram of coating head unit according to an exemplary embodiment of the present invention.
Fig. 3 is the side view of coating head unit according to an exemplary embodiment of the present invention.
Fig. 4 is the stereogram of the matrix part of coating head unit according to an exemplary embodiment of the present invention.
Fig. 5 is the stereogram of the head part of coating head unit according to an exemplary embodiment of the present invention.
Fig. 6 is to show that head module is connected to base modules in coating head unit according to an exemplary embodiment of the present invention State view.
Fig. 7 is provided in the head module installation in the base modules of coating head unit according to an exemplary embodiment of the present invention The stereogram of unit.
Fig. 8 is to show the fixed pin of head module and fixation in coating head unit according to an exemplary embodiment of the present invention Plate is connected to the view of the state of head module installation unit.
Fig. 9 is the sectional view along the line A-A ' interceptions of Fig. 8.
Figure 10 is the view for the liquid supply path for showing coating head unit according to an exemplary embodiment of the present invention.
Figure 11 is to show that clamping unit is sensed with interlocking in coating head unit according to an exemplary embodiment of the present invention The view of relationship between device (clamping unit closed state).
Figure 12 is the closed state for showing the clamping unit in coating head unit according to an exemplary embodiment of the present invention The view of (Figure 12 A) and opening state (Figure 12 B).
Figure 13 is the configuration for showing the pinch valve being arranged in coating head unit according to an exemplary embodiment of the present invention With the view of operation.
Figure 14 is provided in the stereogram of the heating unit in coating head unit according to an exemplary embodiment of the present invention.
Figure 15 is provided in the vertical of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention Body figure.
Figure 16 is provided in point of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention Solve stereogram.
Figure 17 is provided in the (edge of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention What the line B-B' in Figure 15 was intercepted) sectional view.
Figure 18 is the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention (along Figure 15 Line C-C' interception) vertical section figure.
Figure 19 is shown when liquid is supplied to ink jet type nozzle unit from fluid storage unit in liquid service duct The view of the middle state that trapped gas occurs.
Figure 20 be show it is according to an exemplary embodiment of the present invention in the feelings being arranged on next door in fluid storage unit Liquid is supplied to the view of the state in liquid service duct under condition.
It should be understood that attached drawing is not necessarily drawn to scale, but the various features that general principles are presented are said The expression that some bright simplify.As disclosed herein the present invention specific design feature (including, for example, specific dimensions, direction, Location and shape) it will partly be determined by the application of specific intended and use environment.
Reference numeral refers to the identical or equivalent unit of the present invention in several figures of attached drawing in the figure.
Specific embodiment
Hereinafter with reference to attached drawing detailed description of the present invention illustrative embodiments.First, in the composition for representing corresponding figure In the reference numeral of element, it should be noted that although they are shown in various figures, but if may, it will be by identical Reference numeral represent identical constituent element.In addition, in the following description of the present invention, when determining that detailed description may make When subject of the present invention is not known, the detailed description of the well-known configurations being incorporated herein or function will be omitted.In addition, will with Lower description exemplary embodiment of the present invention, but the technology purport of the present invention is without being limited thereto, but can be by art technology Personnel change and differently realize.
Fig. 2 is the stereogram of coating head unit according to an exemplary embodiment of the present invention, and Fig. 3 is according to example of the present invention The side view of the coating head unit of property embodiment.Fig. 4 is the head part of coating head unit according to an exemplary embodiment of the present invention Stereogram, and Fig. 5 is the stereogram of the matrix part of coating head unit according to an exemplary embodiment of the present invention.
Coating head unit 9 according to an exemplary embodiment of the present invention is connected to apparatus for coating by head unit fixed cell 30 1 head supporting member 7.Apparatus for coating 1 and head supporting member 7 can be configured as shown in Figure 1.The bearing of head unit fixed cell 30 applies Cloth head unit 9, and can be moved along the head supporting member 7 of X-direction in Fig. 1.Driving unit (not shown) can be set In head unit fixed cell 30, the driving unit moves coating head unit 9 along the Y-axis in Fig. 1 or Z-direction.
The feature of coating head unit 9 is to include base modules 10 and head module 20, and described matrix module is fixed to head unit On fixed cell 30, the head module is detachably connected to base modules 10.The feature of coating head unit 9 is also tool There is ink jet type deliverying unit 220, the ink jet type deliverying unit is with the liquid to be discharged of ink-jetting style.Pass through coating head The liquid that unit 9 is discharged can be the liquid for having predetermined viscosity, and can be for forming liquid crystal layer, sealing on substrate At least one of glue pattern, both alignment layers, spacer, conductive pattern, colored filter, luminescent layer, black matrix" or fluorescence coating Liquid.
Referring to Fig. 4, base modules 10 include：Base panel 100, described matrix panel are vertically set；Head module Installation unit 110, the head module installation unit are fixed on the central portion of base panel 100, and head in the horizontal direction Module 20 is connected to the head module installation unit and is aligned with the head module installation unit；And head unit 120, the head Unit is fixed on the lower end of base panel 100 in the horizontal direction.List is fixed for base modules 10 to be connected to head unit The connecting plate 102 of member 30 can be arranged at the side of base panel 100.When connecting plate 102 is fixed to head unit fixed cell When 30, base modules 10 may be coupled to head unit fixed cell 30.
Base panel 100 can be configured with plate-like shape, and play for connect other constituent elements structure work With.Base panel 100 is configurable to single plate, but in an exemplary embodiment of the present invention, and base panel 100 can pass through Multiple plates are connected to be formed.
Head module installation unit 110 is used for being detachably secured head module 20 and being aligned with head module 20.Head mould Block installation unit 110 includes fixed pin insertion hole 112, and fixed pin insertion hole is vertically from head module installation unit 110 Upper surface is formed in head module installation unit 110.Multiple fixed pin insertion holes 112 can be set, and multiple fixed pins are inserted The first fixation pin insertion hole 112a and the second fixation pin insertion hole 112b can be included by entering hole.
Head module installation unit 110 can also include installation check sensor 114.Installation check sensor 114 can be felt Whether gauge head module 20 is connected to base modules 10.When being set as the downward projection of bottom surface from the fixed plate 210 of head module 20 The fixed pin 212 gone out is inserted into fixed pin insertion hole 112, and fixed plate 210 and the upper table of head module installation unit 110 When face contacts, installation check sensor 114 senses this state.Installation check sensor 114 can be to be configured to by fixed plate The form of 210 switches pushed is configured.The fixed pin being arranged on head module installation unit 110 exits anti-locking mechanism according to peace Dress checks the sensing result of sensor 114 and operates, and thus prevents exiting for fixed pin 212.
Liquid supply bottle horizon sensor 130 is arranged at the upside of head module installation unit 110.Liquid supply bottle is horizontal Sensor 130 can include luminous component 130a and light-receiving member 130b.When the liquid being contained in liquid supply bottle 230 When level supplies the position of bottle horizon sensor 130 less than liquid, by the light propagation that luminous component 130a is generated to light receiver Part 130b.When the level that liquid supplies the liquid in bottle 230 supplies the position of bottle horizon sensor 130 higher than liquid, by sending out The light that light component 130a is generated is not transmitted to light-receiving member 130b or is received due to light scattering by light-receiving member 130b The intensity of light is low.When liquid supplies the horizontal reduction of the liquid in bottle 230, generated and traveled to by luminous component 130a The intensity of the light of light-receiving member 130b increases, as a result, liquid supply bottle horizon sensor 130 can sense the level of liquid. Luminous component 130a is arranged on the first liquid supply bottle horizon sensor fixed plate 132a, and light-receiving member 130b is arranged on On second liquid supply bottle horizon sensor fixed plate 132b.First liquid supply bottle horizon sensor fixed plate 132a and second Liquid supply bottle horizon sensor fixed plate 132b can be fixed to the top of head module installation unit 110 or fixed to base Honorable plate 100.
When generating sensing signal from liquid supply bottle horizon sensor 130, it is believed that liquid supplies the liquid in bottle 230 Level in order to replace liquid supply bottle 230 or can supply 230 liquid-filled purpose of bottle less than reference levels to liquid And generate alarm signal.
The side of heating unit 120 is fixed to base panel 100, and heating unit 120 can be installed in the horizontal direction. Heating unit 120 can be set in the form of a plate.Heating element 122 is inserted into heating unit 120.Heating element 122 It is heated by the electrical power supplied via heating element supply lines 124.Heating element 122 can be by the way that resistance material be mounted on Ceramic heater etc. is configured or is configurable in heating element 122.The heat generated by heating element 122 is passed to Thus the top of heating unit 120 increases the temperature of the upper surface of heating unit 120.
It is arranged on the bottom surface of the fluid storage unit in ink jet type deliverying unit 220 and the upper surface of heating unit 120 Contact, and the liquid being stored in fluid storage unit is heated to predetermined temperature by heating unit 120.Measure the temperature of temperature Sensor can be arranged in heating unit 120.
Fluid storage unit horizontal sensor 140,142 and 144 is arranged at the upside of heating unit 120.Fluid storage Unit horizontal sensor 140,142 and 144 senses the level for being stored in the liquid in fluid storage unit 400, the liquid storage Memory cell is included in the ink jet type deliverying unit 220 being arranged in heating module 20.Ink jet type deliverying unit is described below 220 and the concrete configuration of fluid storage unit 400.
Fluid storage unit horizontal sensor 140,142 and 144 can include multiple optical sensor module 140a, 140b, 142a, 142b, 144a and 144b.Optical sensor module 140a and 140b can include luminous component 140a and light connects Component 140b is received, and the water of liquid can be sensed when being received by the light that luminous component 140a is generated by light-receiving member 140b It is flat.Based on the level of the liquid in fluid storage unit 400, from fluid storage unit horizontal sensor 140,142 and 144 Sensing signal can change.
As example, it is assumed that the level for being stored in the liquid in fluid storage unit 400 is less than fluid storage unit horizontal The position of sensor 140, and higher than the position of fluid storage unit horizontal sensor 142.It is arranged on than being stored in liquid storage Optical sensor module 140a and 140b receiving optical signal at the horizontal high position of liquid in memory cell 400, still Be arranged on optical sensor module 142a at the position lower than the level of the liquid that is stored in fluid storage unit 400, 142b, 144a and 144b not receiving optical signal.It may be based on whether to receive optical signalling to measure fluid storage unit 400 In liquid level.Fluid storage unit horizontal sensor 140,142 and 144 can be passed by means of fluid storage unit horizontal Sensor fixed plate 146a and 146b and be fixed on the upper surface of heating unit 120 or at the side of base panel 100.
Interlocking sensor 150, pinch valve 160 and guide pin 170 can be arranged at the front upper side of base panel 100.Interlocking Sensor 150 is the clamp system joint operation with being arranged in the closure member 250 on the top for being connected to liquid supply bottle 230 Sensor, and its concrete configuration is described below.Pinch valve 160 controls liquid by pushing or discharging liquid supply tube Supply supplies the liquid in liquid supply bottle 230 via the liquid supply tube.It can be to be stretched out from base panel 100 Cylinder, cylinder, quadrangle cylinder etc. form configuration guide pin 170.When head module 20 is connected to base modules 10, leading In the case that pin 170 is inserted into guide groove 256, head module 20 moves down, and guide groove 256 is formed in towards base panel 100 In closure member 250.
Referring to Fig. 5, head module 20 includes the main panel 200 vertically set, is connected to main panel in the horizontal direction 200 fixed plate 210 and be connected to main panel 200 lower part ink jet type deliverying unit 220.Liquid supply bottle 230 can be with It is arranged on the top of fixed plate 210.Head module 20 can be provided at least one handle 202 being connected on main panel 200, And operator can hold handle 202 and support or move head module 20.Head module 20 can include filter element 240, institute Filter element removal is stated from the foreign substance or bubble in the liquid that liquid supply bottle 230 is supplied, and liquid is transmitted to spray Black formula deliverying unit 220.
Fixed pin 212 is arranged on the lower part of fixed plate 210.The quantity of fixed pin 212 can be more than one.Fixed pin 212 are inserted into the above-mentioned fixed pin insertion hole 112 being arranged in head module installation unit 110.
Ink jet type deliverying unit 220 is connected to the lower end of main panel 200.Ink jet type deliverying unit 220 includes liquid Supply orifice 222 and pressure regulating hole 224 supply liquid, to the pressure tune via filter element 240 to the liquid supply orifice Knothole supply pressure, to adjust the pressure in the fluid storage unit of ink jet type deliverying unit 220.
Filter element 240 includes filtering entrance 242 and filtering outlet 244, and can be by means of filter bearing part 246 are fixed to main panel 200.
In one exemplary embodiment, liquid supply bottle 230 is arranged on the top of fixed plate 210.Liquid supplies bottle 230 can be transparent or translucent.
The upper surface of fixed plate 210 can play the role of liquid supply bottle storage part, and supporting liquid supply bottle 230 liquid supply bottle bearing unit 232 and 234 can be additionally provided in prevent liquid from supplying exiting and fixing for bottle 230 Liquid supplies bottle 230.
Closure member 250 is connected to the top of liquid supply bottle 230.Closure member 250 can play closing liquid supply bottle 230 Entrance, pressure is supplied to liquid supply bottle 230 neutralize the liquid being stored in liquid supply bottle 230 is supplied to it is external The effect of medium.Liquid supply bottle pressure supply orifice 252 is formed at the side of closure member 250, and pressure is supplied to liquid Pipe (not shown) in body supply bottle 230 may be connected to liquid supply bottle pressure supply orifice 252.It will be described below The liquid supply tube that liquid supply tube is plugged into is inserted into hole 254 and is formed in closure member 250.It is inserted into via liquid supply tube The liquid supply tube that hole 254 is inserted into is inserted into liquid supply bottle 230.Guide groove 256 can vertically be formed in direction In one surface of the closure member 250 that base panel 100 is orientated.
To process and configuration for head module 20 to be connected to base modules 10 be described.
Fig. 6 is to show that head module is connected to base modules in coating head unit according to an exemplary embodiment of the present invention State view.Fig. 6 A show the state that head module 20 is located on base modules 10, and Fig. 6 B show head module 20 are connected to the state of base modules 10.
Referring to Fig. 6 A, head module 20 is located on base modules 10.One end of closure member 250 is located in guide pin On 170, and it is arranged on the fixed pin 212 at the downside of fixed plate 210 and is located on head module installation unit 110 (more in detail Carefully, on fixed pin insertion hole 112).In the case, ink jet type deliverying unit 220 is located on head unit 120.
When head module 20 moves down in the state of shown in Fig. 6 A, as shown in Figure 6B, head module 20 is connected to matrix Module 10.Guide pin 170 is inserted into the guide groove 256 in a surface for being formed in closure member 250, and guides head module 20 It moves down.Fixed pin 212 is inserted into fixed pin insertion hole 112, and the bottom surface of fixed plate 210 and head module installation unit 110 upper surface contact.The bottom surface of ink jet type deliverying unit 220 (in more detail, is arranged in ink jet type deliverying unit 220 Fluid storage unit 400 bottom surface) contacted with the upper surface of heating unit 120.
As described above, according to the present invention, head module 20 and base modules 10 can be only by from the upsides of base modules 10 Move down head module 20 and fully connected to each other, as a result, can easily assemble, detach, maintenance and repair head module 9。
It will in addition describe the head module installation unit 110 being arranged in base modules 10 below and fixed pin 212 connect each other The configuration connect.
Fig. 7 is provided in the head module installation in the base modules of coating head unit according to an exemplary embodiment of the present invention The stereogram of unit, and Fig. 8 is the fixation for showing the head module in coating head unit according to an exemplary embodiment of the present invention Pin and fixed plate are connected to the view of the state of head module installation unit.Fig. 9 is the sectional view along the line A-A ' interceptions of Fig. 8.
Head module installation unit 110 can be configured in the form of a plate, and fix pin insertion hole 112 and be formed in head module installation In unit 110.Fixed pin insertion hole 112 can include first and fix the fixation pin insertion holes of pin insertion hole 112a and second 112b. Installation check sensor 114 is arranged on head module installation unit 110.A part for installation check sensor 114 is configured to compare The upper flat surface of head module installation unit 110 more stretches out.
Referring to Fig. 8 A, the fixed pin 212 being arranged in the fixed plate 210 of head module 20 is being inserted into fixed pin insertion hole It is moved down in the state of 112.In one exemplary embodiment, fixed pin 212 is solid including the first fixed pin 212a and second Rationed marketing 212b.Sunk part 214 is formed in the lower part of fixed pin 212.Sunk part 214 is that have than sunk part 214 The part of the small diameter of diameter at the upper side and lower side.
Head module installation unit 110 is provided with fixed pin and exits anti-locking mechanism 116,118a and 118b.Fixed pin exits anti- Locking mechanism can include locking component 118a and 118b and be moved forward and backward the locking component operation of locking component 118a and 118b Unit 116.Locking component 118a and 118b can be formed in the form of stick, chock etc..Locking component operating unit 116 can match Various types of components are set to, such as solenoid, motor and gear set.
In a state that installation check sensor 114 as shown in Figure 8 A is closed, locking component 118a and 118b are in contracting The state of returning (that is, being positioned to than fixed pin insertion hole 112 more inwardly).
When fixed plate 210 as shown in Figure 8 B is moved down into the top of head module installation unit 110 completely, fixed plate 210 bottom surface pushes installation check sensor 114.Installation check sensor 114 is opened, therefore locking component operating unit 116 operate to move forward locking component 118a and 118b (that is, along direction towards fixed pin insertion hole 112).
The sunk part 214 that locking component 118a and 118b are respectively formed in 112 lower part of fixed pin captures.Therefore, Fixed pin 112 is locked component 118a and 118b locking, therefore prevents from exiting.
According to the present invention, head module 20 can be by being connected to the operation of base modules 10 and automatic by fixed pin 212 It is fixed, thus prevent the accident as caused by the carelessness of operator.Later, locking component operating unit 116 is needed by individual It controls to operate, to unlock locking component 118a and 118b.
Figure 10 is the view for the liquid supply path for showing coating head unit according to an exemplary embodiment of the present invention.
The side of first liquid supply tube 300 is inserted into hole 254 via the liquid supply tube in closure member 250 and is inserted into liquid It supplies in bottle 230, and the opposite side of the first liquid supply tube 300 is connected on the filtering entrance 242 of filter element 240.
The side of second liquid supply pipe 310 is connected to the filtering outlet 244 of filter element 240, and second liquid is supplied The opposite side of pipe 310 is connected to the liquid supply orifice 222 of ink jet type deliverying unit 220.
The liquid being stored in liquid supply bottle 230 is transmitted to filter element 240 via the first liquid supply tube 300, and The liquid that foreign substance or bubble are eliminated by filter element 240 is transmitted to ink jet type row via second liquid supply pipe 310 Go out unit 220.
Closure member 250 is connected to liquid supply bottle 230 while is sealed in an airtight fashion the entrance of liquid supply bottle 230, And when the liquid supply bottle pressure supply orifice 252 via closure member 250 supplies normal pressure, it is stored in liquid supply bottle 230 Liquid be discharged to the first liquid supply tube 300.
When detaching head module 20, the first liquid supply tube 300, closure member 250 or liquid supply bottle 230, in order to prevent Liquid leakage in first liquid supply tube 300, clamping unit 260 are arranged at the side of closure member 250.First liquid is supplied Pipe 300 is assemblied in the pinch valve 160 in the front surface for the base panel 100 for being arranged on base modules 10.
First liquid supply tube 300 is configurable to hose, so as to when from outside push the first liquid supply tube 300 when, Flow path in first liquid supply tube 300 can be closed.
Figure 11 is to show that clamping unit is sensed with interlocking in coating head unit according to an exemplary embodiment of the present invention The view of relationship between device (clamping unit closed state).Figure 12 is to show coating according to an exemplary embodiment of the present invention The closed state (Figure 12 A) of clamping unit in head unit and the view of opening state (Figure 12 B).Here, Figure 12 A show with State identical Figure 11.
Supply that clamping unit 260 cuts off liquid by mechanically pushing the first liquid supply tube 300 or by releasing It puts the first liquid supply tube 300 and allows the supply of liquid.Interlocking sensor operations protrusion 274 is connected to clamping unit 260, ties Fruit, interlocking sensor operations protrusion 274 can operating come operation setting in base panel 100 according to clamping unit 260 Interlock sensor 150.
Interlocking sensing part 152 and warning piece 154 can be included by interlocking sensor 150.Interlocking sensing part 152 can be with Including luminous component 152a and light-receiving member 152b.There is provided the situations of luminous component 152a and light-receiving member 152b Under, when interlocking sensor operations protrusion 274 is located between luminous component 152a and light-receiving member 152b, by luminous component The light that 152a is generated is not transmitted to light-receiving member 152b, as a result, can sense whether interlocking sensor operations protrusion 274 positions In sensing part 152 is interlocked.Property embodiment as another example, can be to be configured to by interlocking sensor operations protrusion The form of the mechanical switch of 274 operations interlocks sensing part 152 to be configured.Namely based on the position of interlocking sensor operations protrusion 274 Put, interlocking sensor 150 can with or cannot identify interlocking sensor operations protrusion 274.
Interlocking sensor operations protrusion 274 is provided which connect to clamping unit 260.
Clamping unit 260 includes：Fixing base 262 is fixed on a surface of closure member 250；Operating lever 264； And liquid supply tube either on or off part 266, according to the operation of operating lever 264 between closed position and releasing position It is mobile.Operating lever 264 and liquid supply tube either on or off part 266 are connected to fixing base 262 via link structure.
Fixing base 262 is vertically provided with the first matrix rotating dog 262a and the second matrix rotating dog 262b.The One bar rotating dog 264a and the second bar rotating dog 264b is arranged on the lower end of operating lever 264.Second matrix rotating dog 262b It is connected with the second bar rotating dog 264b by connecting rod 33.First matrix rotating dog 262a and the second bar rotating dog 264a are connected to Liquid supply tube either on or off part 266.Clamping head 268 is arranged on liquid supply tube either on or off part 266, clamping bar 270 are arranged at the side of clamping head 268, and operate protrusion fixed part 272 and be arranged at the opposite side of clamping head 268.Folder Tight bar 270 is set along towards the direction of closure member 250, and operates protrusion fixed part 272 along opposite with the direction of clamping bar 270 Direction positioning.Interlocking sensor operations protrusion 274 is arranged on operation protrusion fixed part 272.
First liquid supply tube 300 is inserted into a part by fixing base 262, liquid supply tube either on or off part In the space that a part for 266 part, a part for clamping bar 270 and closure member 250 limits.
Referring to Figure 11 and Figure 12 A, in the state of the closing of operating lever 264, by fixing base 262 a part, liquid The space that a part for a part for supply pipe either on or off part 266, a part for clamping bar 270 and closure member 250 limits The first liquid supply tube 300 of middle promotion.Interlocking sensor operations protrusion 274 is located in interlocking sensing part 152.
Referring to Figure 12 B, in the state of the opening of operating lever 264, the first liquid supply tube 300 is not clamped unit 260 and pushes away It is dynamic, and interlock sensor operations protrusion 274 and be spaced apart with interlocking sensing part 152.
It is described below according to the operation of clamping unit 260 and interlocking sensor 150 and controls the process of coating head unit. It will be based on it is assumed hereinafter that making description：First liquid supply tube 300 is pushed away by the operating lever 264 of operation of clip unit 260 Dynamic state is referred to as " closed state of clamping unit 260 ", and the first liquid supply tube 300 passes through operation of clip unit 260 Operating lever 264 and the state that is released be referred to as " release conditions of clamping unit ".It is operated by being manually operated by operator Bar 264 realizes the release conditions of the closed state of clamping unit and clamping unit, but coating head unit 9 or apparatus for coating 1 Control unit can according to interlocking sensor operations protrusion 274 position and by interlock the sensing operation of sensor 150 come Determine the closed state of clamping unit and the release conditions of clamping unit.
In the description with reference to figure 11 and Figure 12, protrusion 274 is operated in the closed state second line of a couplet lock sensor of clamping unit It is illustrated as being located in interlocking sensing part 152, and the release conditions second line of a couplet lock sensor in clamping unit operates protrusion 274 It is illustrated as being positioned as being spaced apart with interlocking sensing part 152.But in an exemplary embodiment of the present invention, pass through change The installation site of sensor 150 is interlocked, can be positioned as in the closed state second line of a couplet lock sensor operation protrusion 274 of clamping unit It is spaced apart with interlocking sensing part 152, and the release conditions second line of a couplet lock sensor operation protrusion 274 in clamping unit can position In sensing part 152 is interlocked.
Under the closed state of clamping unit, liquid is cut off to the flowing in the first liquid supply tube 300.In order to make head Module 20 is detached with base modules 10, and the promotion of pinch valve 160 can be discharged only when the closed state for recognizing clamping unit State.Reason is：If head module 20 is detached with base modules 10 under the release conditions of clamping unit, liquid supply bottle Liquid in 230 can be revealed via the first liquid supply tube 300.In addition, when the closed state for recognizing clamping unit, lock Fixed pin 212 can be unlocked by determining component operating unit 116, so that head module 20 can be detached with base modules 10.
Meanwhile ink jet type deliverying unit 220 can be controlled as only discharging when the release conditions for recognizing clamping unit Liquid.Reason is：Under the closed state of clamping unit, even if ink jet type deliverying unit 220 operates, liquid can not also be arranged Go out.
Figure 13 is the configuration for showing the pinch valve being arranged in coating head unit according to an exemplary embodiment of the present invention With the view of operation.
As described above, pinch valve 160 is arranged in the front surface of base panel 110 of base modules 10.One side is inserted into The first liquid supply tube 300 being inserted into hole 254 to the liquid supply tube of closure member 250 is inserted into folder via clamping unit 260 In pipe valve 160.
Pinch valve 160 includes the first component 162 with concave portions 164 and the second component with male portion 168 166.Concave portions 164 and male portion 168 are set as facing with each other, and in first component 162 and second component 166 extremely A few operation is to be moved forward or rearward towards another in first component 162 and second component 166.Pinch valve 160 wraps Include the pinch valve driving unit (not shown) for being moved forward or rearward first component 162 or second component 166.It is exemplary at one In embodiment, pinch valve driving unit is configurable to solenoid or linear motor, and can be arranged on base panel 100 In rear surface.
Referring to Figure 13 A and Figure 13 B, the first liquid supply tube 300 is arranged between first component 162 and second component 166.
Figure 13 A show that first component 162 and second component 166 are separated from each other and the first liquid therefore do not pushed to supply The state of pipe 300.Referring to Figure 13 B, first component 162 and second component 166 are moved to approach each other, and in concave portions The first liquid supply tube 300 is pushed between 164 and male portion 168, to cut off liquid via the first liquid supply tube 300 Supply.
In an exemplary embodiment of the present invention, can with according to whether by ink jet type deliverying unit 220 discharge liquid and The supply cut off by operating pinch valve 160 or allow liquid.
Figure 14 is provided in the stereogram of the heating unit in coating head unit according to an exemplary embodiment of the present invention.
Heating unit 120 is set as in the base panel 100 of base modules 10, and heating element 122 is inserted into Into heating unit 120, temperature is thus adjusted.
Referring to Figure 14, heating unit 120 can be to have the groove being formed at one end thereof substantiallyShape The form of plate is configured.Heating element be inserted into hole 126 be formed in heating unit 120, and threaded hole 121 can be formed in In a part for the heating unit 120 that base panel 100 contacts.In the state that heating unit 120 is contacted with base panel 100 Under, it can be by heating unit 120 will be fixed in fastened by screw to threaded hole 121 at the rear surface of base panel 100 To base panel 100.
Heating element 122 be inserted into heating element be inserted into hole 126 in, and the heat by being generated by heating element 122 come Adjust the temperature of heating unit 120.Meanwhile the temperature sensor 128 for measuring the temperature of heating unit 120 can be arranged on heating In unit 120 or on the surface of heating unit 120.
Next, by the ink jet type deliverying unit 220 being arranged in coating head unit 9 according to the present invention is described.Ink-jet Formula deliverying unit 220 can be fixed on the lower end of the main panel 200 of head module 20.
Figure 15 is provided in the vertical of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention Body figure, and Figure 16 is provided in the decomposition of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention Stereogram.Figure 17 is provided in the (edge of the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention What the line B-B' in Figure 15 was intercepted) sectional view.
Ink jet type deliverying unit 220 is with the liquid of ink-jetting style discharge supply.Ink jet type deliverying unit 220 includes：Liquid Storage element 400 is supplied with and wants discharged liquid, and stores liquid；And ink jet type nozzle unit 450, quilt The liquid from fluid storage unit 400 is supplied with, and liquid is discharged with ink-jetting style.
In a state that head module 20 is connected to base modules 10, the bottom surface of fluid storage unit 400 is with being arranged on base The upper surface contact of heating unit 120 on module 10.Therefore, fluid storage unit 400 can constantly be remained stored in In liquid temperature.Particularly, in the case where the viscosity of liquid is according to temperature change, for accurately discharging control, liquid Temperature control is important factor.According to the present invention, the bottom surface of fluid storage unit 400 and the heating unit of base modules 120 are in direct contact, and liquid can be heated by heat transfer, as a result, can efficiently control the temperature of liquid.
In one exemplary embodiment, fluid storage unit 400 includes fluid storage unit lid 420.Fluid storage Unit 400 is located on its upper side with the part opened, and the part opened is covered by fluid storage unit lid 420, so as to The upside of fluid storage unit 400 can be closed.
Fluid storage unit lid 420 is provided with liquid supply orifice 222 and pressure regulating hole 224, the liquid supply orifice Liquid is supplied with, the pressure regulating hole is supplied with the pressure from outside, to adjust the pressure in fluid storage unit 400 Power.In one exemplary embodiment, liquid supply orifice 222 is connected to filter element 240 via second liquid supply pipe 310 Filtering outlet 244, and it is supplied with the liquid by filter element 240.Pressure regulating hole 224 is supplied via unshowned pipe There should be pressure, to adjust the internal pressure of fluid storage unit 400.Pressure regulating hole 224 is supplied with normal pressure or must Negative pressure is supplied with when wanting.Ink jet type nozzle unit 450 can be controlled, so as to when via the supply positive pressure of pressure regulating hole 224 During power, ink jet type nozzle unit 450 can discharge liquid, and when via 224 supplying negative voltage power of pressure regulating hole, ink jet type spray Mouth unit 450 cannot discharge liquid.
The inner space of fluid storage unit 400 defines fluid storage space 401.
In one exemplary embodiment, fluid storage unit 400 has ink jet type nozzle unit accommodation space 402, It is formed at the side of fluid storage unit 400 and accommodates ink jet type nozzle unit 450, and fluid storage unit 400 includes Prominent space segment 406a and 406b, prominent space segment 406a and 406b is the two of ink jet type nozzle unit accommodation space 402 It is protruded at side.Meanwhile the prominent space segment 408 in center can be formed in it is opposite with ink jet type nozzle unit accommodation space 402 At side.Form 410 can be formed in the both sides wall surface for limiting the prominent space segment 408 in center.Form 410 can be by saturating Bright material is made.The fluid storage unit horizontal sensor 140,142 and 144 being arranged in base modules 10 can pass through form 410 transmission and reception optical signal.
At least one Level tune component 412 is formed on the inner wall of fluid storage unit 400.Level tune component 412 The inner wall surface that could be provided as from fluid storage unit 400 stretches out.In one exemplary embodiment, Level tune component 412 can have the cross section of semicircle, ellipse or arc, and could be provided as the inner wall from fluid storage unit 400 Vertically stretch out.Level tune component 412 can be arranged on surface facing with each other in a manner of zigzag.
When the coating head unit 9 on supporting member 7 moves to the end for attachment, the liquid that is stored in fluid storage unit 400 Possible spilling goes out.When coating head unit 9 stops and stablizes, the level for being stored in liquid in fluid storage unit 400 can be with It is constant.But when the speed of coating head unit 9 is moved and when changing with coating head unit 9, it is stored in fluid storage list Liquid in member 400 is tilted towards side.This leads to the sensing mistake of fluid storage unit horizontal sensor 140,142 and 144, As a result, accurately horizontal sensing may not be performed.
Liquid can be controlled to supply bottle 230 to liquid from liquid based on the level of the liquid in fluid storage unit 400 The supply of storage element 400.It, may but when mistake occurs in the level of the liquid in sensing fluid storage unit 400 Occur excessive liquid being supplied to the problems in fluid storage unit 400.
But in the situation of Level tune component 412 stretched out there is provided the inner wall surface from fluid storage unit 400 Under, Level tune component 412 inhibits the spilling of the liquid in fluid storage unit 400 to a certain extent, thus prevents The quick variation of liquid level.Therefore, it is possible to reduce the sensing mistake of fluid storage unit horizontal sensor 140,142 and 144.
The next door 414 that predetermined altitude is protruded into from bottom surface 415 is formed in fluid storage unit 400.Next door 414 Highly it is less than the total depth of fluid storage unit 400.Next door 414 separates the fluid storage space in liquid storage unit 400 401.Fluid storage space 401 is divided into a part and the remaining portion that liquid is supplied via liquid supply orifice 222 by next door 414 Point.When supplying liquid via liquid supply orifice 222 in the state of being sky in fluid storage unit 400, it is arranged on liquid supply Liquid is first filled with, and when the level of liquid becomes than next door 414 under hole 222 and by the space that next door 414 limits When highly high, liquid is sent to remaining space.In one exemplary embodiment, next door 414 can be formed towards One protrudes space segment 406a biasings.It below, will be based on it is assumed hereinafter that be described：It is limited and is formed in by next door 414 Space under liquid supply orifice 222 is referred to as " liquid inflow space ", liquid supply orifice 222 is formed in fluid storage unit In lid 420；And the function and effect in next door 414 is described below.
Ink jet type nozzle unit lower cover 430 is arranged on the bottom surface of fluid storage unit 400.Under ink jet type nozzle unit Lid 430 fixes the lower part of ink jet type nozzle unit 450, and the both sides of ink jet type nozzle unit lower cover 430 are connected to liquid storage The lower end of protrusion the space segment 406a and 406b of memory cell 400.
Ink jet type nozzle unit lower cover 430 has the nozzle insertion space of center portion office formed therein in the horizontal direction 432 and the mounting hole 434 that is formed at the both sides of ink jet type nozzle unit lower cover 430.The central part of nozzle insertion space 432 Divide and vertically penetrate.Fixed screw (not shown) is via mounting hole 434 from the bottom of ink jet type nozzle unit lower cover 430 Surface is inserted and fixed the bottom surface of fluid storage unit 400, as a result, ink jet type nozzle unit lower cover 430 may be coupled to Fluid storage unit 400.
Ink jet type nozzle unit lower cover 430, which has, to be arranged at the both sides of ink jet type nozzle unit lower cover 430 and accommodates spray The holding tank 436 of the lower end of black formula nozzle unit protection cap 440, and at least one first protection cap mounting hole 438 is formed In holding tank 436.
Ink jet type nozzle unit 450 is protected by ink jet type nozzle unit protection cap 440, and ink jet type nozzle unit 450 Lower end 451 is exposed to the downside of ink jet type nozzle unit protection cap 440.Ink jet type nozzle unit protection cap 440 can include Protection cap ontology 442 with hollow tetragonal cylinder body shape.Second protection cap mounting hole 444 can be formed in protection cap ontology 442 lower end.
First fluid connection hole 456 and second liquid intercommunicating pore 458 are formed in the lower end of ink jet type nozzle unit 450 In protrusion at 451 both sides.Ink jet type nozzle unit mounting hole 453 can be respectively formed at the first fluid connection hole 456 and the outside of second liquid intercommunicating pore 458.For receiving the control signal from external ink jet type nozzle unit 450 Connector pin 452 can be arranged on the upper end of ink jet type nozzle unit 450.
It will describe ink jet type nozzle unit 450 and the connection ontology of ink jet type nozzle unit protection cap 440 be connected to ink-jet The configuration of formula nozzle unit lower cover 430.The lower end of ink jet type nozzle unit 450 and the first fluid connection hole 456, the second liquid Body intercommunicating pore 458 and ink jet type nozzle unit mounting hole 453 is formed therein is inserted partially into nozzle insertion space 432. In the case, the part for being formed with the ink jet type nozzle unit 450 of nozzle is located in the nozzle insertion space 432 penetrated vertically Part at.The lower end of ink jet type nozzle unit protection cap 440 is located in the holding tank of ink jet type nozzle unit lower cover 430 In 436, and ink jet type nozzle unit protection cap 440 and ink jet type nozzle unit 450 can by by fixed screw via Two protection cap mounting holes 444 are connected to the first protection cap mounting hole 438 and are fixed to ink jet type nozzle unit lower cover 430.
Later, when ink jet type nozzle unit lower cover 430 is connected to fluid storage unit 400, ink jet type deliverying unit 220 It is fully assembled.
Figure 18 is the ink jet type deliverying unit in coating head unit according to an exemplary embodiment of the present invention (along Figure 15 Line C-C' interception) vertical section figure.
The side for the ink jet type nozzle unit 450 being inserted into ink jet type nozzle unit protection cap 440 is located in liquid storage In the ink jet type nozzle accommodation space 402 of memory cell 400.The lower end 451 of ink jet type nozzle unit 450 is inserted into ink jet type spray In the nozzle insertion space 432 of mouth unit lower cover 430, and expose and be formed at the bottom side of ink jet type nozzle unit 450 The end of nozzle 460.
Assembling threaded hole 435 of the assembling screw 437 in the bottom surface of ink jet type nozzle unit lower cover 430 is inserted Enter, and assembling screw 437 penetrates ink jet type nozzle unit mounting hole 453 and the outer wall fixed to fluid storage unit 400.Cause This, ink jet type deliverying unit 220 is assembled.
In the state of ink jet type deliverying unit 220 completely assembling, the first fluid connection hole of ink jet type nozzle unit 450 456 are located at the downside of the first protrusion space segment 406a of fluid storage unit, and second liquid intercommunicating pore 458 is located in Second protrudes at the downside of space segment 406b.The first through hole 416 for penetrating bottom surface 415 downwards is formed in the first protrusion space In bottom surface 415 in the 406a of part, and the second through-hole 418 for penetrating bottom surface 415 downwards is formed in the second protrusion spatial portion Divide in the bottom surface 415 in 406b.First through hole 416 is connected with the first fluid connection hole 456 of ink jet type nozzle unit 450, And the second through-hole 418 is connected with second liquid intercommunicating pore 458.
Ink jet type nozzle unit 450 is formed with liquid service duct 454, the liquid service duct and the first fluid connection Hole 456 is connected with second liquid intercommunicating pore 458, and with the multiple nozzles 460 being located at its downside.Ink jet type nozzle unit 450 discharge the liquid being supplied in liquid service duct 454 via multiple nozzles 460 in a manner of ink-jet.As by using Ink jet type nozzle unit 450 discharges the method for liquid, can use such as using the known technology of the method for piezoelectric element.
It is stored in the storage space 401 of fluid storage unit 400 via 416 or second through-hole 418 of first through hole Liquid is sent to the liquid service duct 454 of ink jet type nozzle unit 450, and is supplied in liquid service duct 454 Liquid is discharged via nozzle 460 in a manner of ink-jet.
In a state that liquid service duct 454 is filled up completely full liquid, liquid can normally be discharged via nozzle 460. But when bubble is present in liquid service duct 454, because nozzle 460 may be blocked or fluid pressure does not transmit, institute There can be discharge defect with nozzle 460.
Bubble in liquid service duct 454 may generate due to a variety of causes.As one of reason, when in fluid storage Unit 400 is when supplying liquid in fluid storage unit 400 in the state of sky, may hair in liquid service duct 454 Anger bubble or trapped gas.
Figure 19 is shown when liquid is supplied to ink jet type nozzle unit from fluid storage unit in liquid service duct The view of the state of middle gassing.
The next door 414 that Figure 19 shows a case that be present in the present invention is not formed in fluid storage unit 400.Figure 19 schematically illustrate the ink jet type deliverying unit 220 being present in the present invention, but are discharged in other kinds of ink jet type It can also happen that problem in configuration.
When liquid F is supplied to via liquid supply orifice 222 in fluid storage unit 400, the bottom of fluid storage unit 400 Surface 415 is filled with liquid F.Liquid F is transmitted to liquid service duct via both 416 and second through-holes of first through hole 418 454.The problem of big is not present if liquid service duct 454 is under vacuum conditions, but is present in liquid in gas and supplies In the case of answering in channel 454, gas forms trapped gas 470 in liquid service duct 454.Because ink jet type nozzle unit 340 Nozzle 460 internal diameter it is very small, so formed trapped gas 470 gas may be discharged not via nozzle 460.It is present in liquid confession The trapped gas 470 in channel 454 is answered to hinder the normal ink jet type discharge via nozzle 460.
Figure 20 be show it is according to an exemplary embodiment of the present invention in the feelings being arranged on next door in fluid storage unit Liquid is supplied to the view of the state in liquid service duct under condition.
According to the present invention, next door 414 is arranged in the fluid storage unit 400 of ink jet type deliverying unit 220, and " liquid Inflow space " has been first filled with liquid F, and " liquid inflow space " is the bottom of fluid storage unit 400 limited by next door 414 Space.
Because liquid inflow space is formed as the first through hole 416 for including being limited by next door 414, supplied via liquid The liquid F that hole 222 is supplied is transmitted to liquid service duct 454 via the first fluid connection hole 456 from first through hole 416.Referring to Figure 20, the right side of liquid service duct 454 are initially filled with liquid F, and in liquid service duct 454 remaining air via Second liquid intercommunicating pore 458 is discharged.
When via the first fluid connection hole 456 from 416 liquid F without interruption of first through hole, liquid service duct 454 fills The liquid completely to be discharged, thus prevents trapped gas.
As described above, exemplary embodiment has been described and illustrated in the accompanying drawings and the description.Selection and description example Property embodiment be in order to explain the present invention certain principles and their practical application, thus enable that those skilled in the art's system Make and utilize various exemplary embodiments of the invention and its various alternatives and modifications.Understand from foregoing description, certain of the invention A little aspects not by it is shown here go out the detail of example limited, therefore, it is intended that those skilled in the art will make Go out other modify and apply or it is equivalent.But after the description and the appended drawings are considered, many variations of the invention, modification, Variant and other purposes and application will be apparent those skilled in the art.It cannot be detached from from the spirit and scope of the invention All these changes, modifications, variant and other purposes and application be considered the present invention being only determined by the claims that follow Covering.

Claims (26)

1. a kind of coating head unit, including：
Base modules, base modules include base panel and head module installation unit, base panel are vertically set, head mould Block installation unit has the fixation pin insertion hole vertically formed, and is connected to base panel in the horizontal direction；And
Head module, head module include main panel and fixed plate, and main panel is vertically set, and fixed plate connects in the horizontal direction To main panel and on the downside of it, place has fixed pin,
Wherein, it inserts in the hole and the upper table of the bottom surface of fixed plate and head module installation unit when fixed pin is inserted into fixed pin When face contacts, head module is connected to base modules.
2. coating head unit as described in claim 1, wherein, sunk part is formed in fixed pin, and head module is installed Unit is provided with the locking component fitted into sunk part, to be inserted into the state that fixed pin inserts in the hole in fixed pin Under, locking component is fitted into sunk part, to prevent fixed pin from exiting.
3. coating head unit as claimed in claim 2, wherein, head module installation unit further includes installation check sensor and lock Determine component operating unit, the contact between installation check sensor sensing fixed plate and head module installation unit, locking component behaviour Make sensing result of the unit based on installation check sensor and operate locking component.
4. coating head unit as claimed in claim 3, wherein, installation inspection is configured in the form of the switch pushed by fixed plate Look into sensor.
5. coating head unit as described in claim 1, wherein, head module has the liquid supply bottle at the upside of fixed plate Store part.
6. coating head unit as claimed in claim 5, wherein, liquid supply bottle is stored on liquid supply bottle storage part, And closure member is connected to the top of liquid supply bottle.
7. coating head unit as claimed in claim 6, wherein, guide groove is vertically formed at the side of closure member, and And it is inserted into the guide pin in guide groove and is stretched out at the front upper side of base panel.
8. coating head unit as claimed in claim 6, wherein, the first liquid supply tube is inserted into closure member, liquid supply Liquid in bottle is supplied via the first liquid supply tube.
9. coating head unit as claimed in claim 8, wherein, head module is provided with filter element, and filter element is via first Liquid supply tube is supplied with liquid, and removes foreign substance or bubble from liquid.
10. coating head unit as claimed in claim 8, wherein, pinch valve is arranged in base panel, and pinch valve passes through promotion First liquid supply tube cuts off the flowing of the liquid via the first liquid supply tube.
11. coating head unit as claimed in claim 10, wherein, pinch valve includes first component and tool with concave portions There is the second component of male portion, and pinch valve is by moving first component or second component so that the first liquid supply tube is determined Position is between concave portions and male portion, to cut off the flowing of the liquid via the first liquid supply tube.
12. coating head unit as claimed in claim 8, wherein, closure member is provided with clamping unit, and clamping unit includes operation Bar, and close the first liquid supply tube by pushing the first liquid supply tube or discharge the according to the operation of operating lever One liquid supply tube.
13. coating head unit as claimed in claim 12, wherein, clamping unit setting interlocking sensor operations protrusion, connection Lock sensor operation protrusion is moved according to the operation of clamping unit, and base panel setting interlocking sensor, interlocking pass The position of sensor sensing interlocking sensor operations protrusion.
14. coating head unit as claimed in claim 13, wherein, when the sensing result based on interlocking sensor determines to clamp list When member closes the first liquid supply tube, head module is controlled as separating with base modules.
15. the coating head unit as described in any one of claim 1 to 14, wherein, head module includes being mounted under main panel Ink jet type deliverying unit at side.
16. coating head unit as claimed in claim 15, wherein, heating unit is arranged on the lower end of base panel, Head module is connected in the state of base modules, and the bottom surface of heating unit and the fluid storage unit of ink jet type deliverying unit connects It touches, and heats the liquid being stored in fluid storage unit.
17. coating head unit as claimed in claim 16, wherein, heating unit, and heating unit are configured in the form of a plate Hole is inserted into heating element, heating element is inserted into heating element and inserts in the hole.
18. coating head unit as claimed in claim 15, wherein, ink jet type deliverying unit includes fluid storage unit, liquid Storage element lid and ink jet type nozzle unit, fluid storage unit have the fluid storage space of storage liquid, fluid storage The upside of unit lid closing liquid storage element, ink jet type nozzle unit are connected at the side of fluid storage unit, are supplied There should be the liquid from fluid storage unit, and liquid is discharged in a manner of ink-jet.
19. coating head unit as claimed in claim 18, wherein, a pair of of form facing with each other is arranged on fluid storage unit Side at, and the fluid storage unit horizontal sensor of liquid level in fluid storage unit is sensed by form and is arranged on In base panel.
20. coating head unit as claimed in claim 18, wherein, it is stretched out from the inner wall of fluid storage unit at least one Level tune component is arranged on the inner wall of fluid storage unit.
21. coating head unit as claimed in claim 20, wherein, at least a pair of of Level tune component is set with zig-zag fashion On the inner wall of fluid storage unit facing with each other.
22. coating head unit as claimed in claim 18, wherein, liquid is supplied in ink jet type nozzle unit via it One through-hole and the second through-hole are formed in the bottom surface of fluid storage unit, and ink jet type nozzle unit includes and first through hole First fluid connection hole of connection, the second liquid intercommunicating pore that is connected with the second through-hole and with the first fluid connection hole and second The liquid service duct of fluid connection hole connection, and ink jet type nozzle unit has multiple nozzles lower part formed therein.
23. coating head unit as claimed in claim 22, wherein, the fluid storage space of fluid storage unit is stored up from liquid It deposits the next door that the bottom surface in space stretches out to separate, with scheduled height, to be first filled with by any region that next door limits There is liquid, and liquid is supplied to via any one in first through hole and the second through-hole in liquid service duct.
24. coating head unit as claimed in claim 18, wherein, ink jet type nozzle accommodation space is formed in fluid storage unit Side at, prominent space segment is formed at the both sides of ink jet type nozzle accommodation space of fluid storage unit, and ink-jet Formula nozzle unit is contained in ink jet type nozzle accommodation space.
25. coating head unit as claimed in claim 24, wherein, ink jet type deliverying unit is further included under ink jet type nozzle unit Lid, ink jet type nozzle unit lower cover limit nozzle insertion space, and the lower part of ink jet type nozzle unit is inserted into nozzle insertion space, And ink jet type nozzle unit lower cover is connected to the lower part of prominent space segment.
26. coating head unit as claimed in claim 25, wherein, ink jet type deliverying unit further includes ink jet type nozzle unit guarantor Protecting cover, ink jet type nozzle unit protection cap protection ink jet type nozzle unit, and fixed to ink jet type nozzle unit lower cover.
CN201611227366.8A 2016-12-05 2016-12-27 Coating head unit Active CN108146075B (en)

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