WO2014205872A1 - 一种狭缝喷嘴清洁装置 - Google Patents

一种狭缝喷嘴清洁装置 Download PDF

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Publication number
WO2014205872A1
WO2014205872A1 PCT/CN2013/078711 CN2013078711W WO2014205872A1 WO 2014205872 A1 WO2014205872 A1 WO 2014205872A1 CN 2013078711 W CN2013078711 W CN 2013078711W WO 2014205872 A1 WO2014205872 A1 WO 2014205872A1
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WO
WIPO (PCT)
Prior art keywords
slit nozzle
cleaning device
nozzle
insertion section
slit
Prior art date
Application number
PCT/CN2013/078711
Other languages
English (en)
French (fr)
Inventor
陈晖�
张志豪
王文华
林祺哲
Original Assignee
深圳市华星光电技术有限公司
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 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/111,796 priority Critical patent/US9586224B2/en
Publication of WO2014205872A1 publication Critical patent/WO2014205872A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/522—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings
    • B05B15/5223—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using cleaning elements penetrating the discharge openings the cleaning element, e.g. a needle, and the discharge opening being movable relative to each other in a direction substantially parallel to the flow of liquid or other fluent material through said opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
    • B05B1/044—Slits, i.e. narrow openings defined by two straight and parallel lips; Elongated outlets for producing very wide discharges, e.g. fluid curtains
    • 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
    • B05C5/0208—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 for applying liquid or other fluent material to separate articles
    • 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
    • B05C5/0254—Coating heads with slot-shaped outlet

Definitions

  • the present invention relates to a slit nozzle cleaning device, and more particularly to a slit nozzle cleaning device for cleaning the inside of a photoresist coated slit nozzle of a liquid crystal flat panel display.
  • the photoresist is generally applied through a slit nozzle.
  • the elongated slit nozzle having the slit-shaped discharge port is relatively moved with respect to the coated surface of the glass substrate or the like, and the photoresist is coated on the substrate.
  • the slit nozzle has a small width (about one hundred meters).
  • the discharge port is clogged and the coating quality is often affected, resulting in uneven longitudinal color and poor coating.
  • the color filter photoresist as an example, since the pigment is used in the photoresist: the pigment is used, it is easy to dry and agglomerate, block the discharge port, and affect the coating quality. Summary of the invention
  • An object of the present invention is to provide a slit nozzle cleaning device which can be used for cleaning a slit nozzle to ensure coating quality of a slit nozzle.
  • a slit nozzle cleaning device wherein the slit nozzle cleaning device includes a cleaning sheet body and an auxiliary insertion member, and the auxiliary insertion member is configured to introduce the cleaning sheet body into the Inside the slit nozzle.
  • the auxiliary insertion member is adsorbed on the slit nozzle.
  • the slit nozzle includes a left cover, a right cover, a front nozzle half, a rear nozzle half, a fluid inlet, the front nozzle half, and the rear nozzle half The left cover and the right cover are fixed together, and the front nozzle half and the rear nozzle half are joined to form a nozzle cavity and a discharge port.
  • the fluid inlet is formed on the front nozzle half.
  • the auxiliary insertion member includes an auxiliary insertion section including a front half of the insertion section and a rear half of the insertion section, and the front half of the insertion section and the insertion section The halves are held together by the fixed segments.
  • the front half of the insertion section and the second half of the insertion section There is a guiding space formed between them.
  • the slit nozzle cleaning device further includes an elastic mounting frame having a plurality of coil springs for pushing up the auxiliary insertion member upward.
  • a plurality of magnets are distributed on the top of the auxiliary insertion section and the fixed section to adsorb the auxiliary insertion member on the slit nozzle.
  • the guiding space includes an upper V-shaped space located above, a lower inverted V-shaped space located below, and a constant interval between the upper V-shaped space and the lower inverted V-shaped space Space, the upper V-shaped space is for accommodating the discharge port of the slit nozzle.
  • the width of the discharge port is larger than the width of the interval constant space.
  • the width of the interval constant space is larger than the thickness of the cleaning sheet.
  • the slit nozzle cleaning device further includes a cleaning sheet body clamp for clamping the cleaning sheet body.
  • the cleaning sheet body jig includes a jig driving device for driving the cleaning sheet body jig to move in the left-right direction.
  • the slit nozzle includes a left cover, a right cover, a front nozzle half, a rear nozzle half, a fluid inlet, the front nozzle half, and the rear nozzle half
  • the left cover and the right cover are fixed together, and the front nozzle half and the rear nozzle half are combined to form a nozzle cavity and a discharge port, and the fluid inlet is formed in the front nozzle half
  • the auxiliary insertion member includes an auxiliary insertion section including a first half of the insertion section and a rear half of the insertion section, and the front half of the insertion section and the rear half of the insertion section are fixed by the fixing
  • the segments are fixed together, and a guiding space is formed between the front half of the insertion section and the rear half of the insertion section.
  • the slit nozzle cleaning device further includes an elastic mounting frame having a plurality of coil springs for pushing up the auxiliary insertion member upward.
  • the slit nozzle cleaning device further includes a cleaning sheet body clamp for clamping the cleaning sheet body.
  • the slit nozzle cleaning device of the invention comprises a cleaning sheet body and an auxiliary insertion member, wherein the auxiliary insertion member is used for introducing the cleaning sheet body into the slit nozzle, thereby The cleaning sheet body is introduced into the slit nozzle by the auxiliary insertion member, and the slit nozzle is cleaned to ensure the coating quality of the slit nozzle.
  • FIG. 1 is a perspective, perspective view of a slit nozzle cleaning device in accordance with an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the slit nozzle of Figure 1.
  • Figure 3 is an exploded perspective view of the auxiliary insert member of Figure 1.
  • Fig. 4 is a schematic view showing the principle of introducing the cleaning sheet into the slit nozzle of the auxiliary insertion member of Fig. 1.
  • Figure 5 is a schematic view showing the structure of the guiding space of the auxiliary insertion member of Figure 1.
  • Figure 6 is a perspective, perspective view of a slit nozzle cleaning device in accordance with another embodiment of the present invention.
  • Figure 7 is a perspective perspective view of the elastic mounting bracket of Figure 6.
  • Figure 8 is a perspective perspective view of the cleaning sheet body holder of Figure 6.
  • Figure 9 is a side elevational view showing the auxiliary insertion process of the slit nozzle cleaning device of Figure 6. detailed description
  • the slit nozzle cleaning device of the present invention includes a cleaning sheet body 300 and an auxiliary insertion member 200 for introducing the cleaning sheet body 300 into the slit nozzle 100.
  • the discharge port 112 (described later) of the slit nozzle 100 has high processing precision and a smooth surface, and it is difficult to scrape off with a hard metal material.
  • the cleaning sheet 300 having a width close to that of the discharge port 112 is used.
  • the auxiliary insertion member 200 inserts the cleaning sheet 300 into the discharge port.
  • the cleaning sheet 300 is a sheet material and may be, but not limited to, a PET material.
  • the slit nozzle 100 is cleaned by moving the cleaning sheet 300 in the left-right direction X and scraping the inner wall of the discharge port.
  • the cleaning sheet body 300 is inserted into the discharge port by the auxiliary insertion member 200, there is no fear that the cleaning sheet body 300 is bent or broken, and the cleaning sheet body 300 can be quickly and accurately inserted into the discharge port. Moreover, it is also possible to control the depth at which the cleaning sheet 300 is inserted into the ejection opening by the auxiliary insertion member 200 to achieve an optimum cleaning effect.
  • the auxiliary insertion member 200 is adsorbed on the slit nozzle 100.
  • four magnets 210 are respectively distributed on the tops of the auxiliary insertion section 202 and the fixed section 204 to adsorb the auxiliary insertion member 200 on the slit nozzle 100.
  • the slit nozzle 100 is a steel member, so the auxiliary insertion member 200 is firmly adhered to the slit nozzle 100.
  • the auxiliary insertion member 200 is attracted to the discharge port of the slit nozzle 100 by the magnet 210, but the present invention is not limited thereto, and for example, the auxiliary insertion may be performed by a fixing member such as a Velcro or a double-sided tape.
  • the member 200 is attached to the discharge port 112 of the slit nozzle 100.
  • the slit nozzle 100 includes a left cover plate 102, a right cover plate 104, a front nozzle half 108, a rear nozzle half 106, and a fluid inlet 116.
  • the front nozzle half 108 and the rear nozzle half 106 are fixed together by the left cover 102 and the right cover 104.
  • the front nozzle half 108 and the rear nozzle half 106 are sandwiched by the left cover 102 and the right cover 104, and then pass through four elongated bolts 114 extending in the left-right direction X. Fasten together.
  • the front nozzle half 108 and the rear nozzle half 106 are bonded to each other to form a nozzle cavity 110 and a discharge port 112.
  • the fluid inlet 116 is formed on the front nozzle half 108.
  • the coating fluid enters the nozzle cavity 110 through the fluid inlet 116 and flows out through the discharge port 112.
  • the auxiliary insertion member 200 includes an auxiliary insertion section 202 and a fixed section 204.
  • the auxiliary insertion section 202 includes an insertion section front half 218 and an insertion section rear half 216.
  • the insertion section front half 218 and the insertion section rear half 216 are secured together by the fixed section 204.
  • the insertion section front half 218 and the insertion section rear half 216 are fixed to the fixed section 204 by four bolts 206 (only two are shown) extending in the left-right direction X and corresponding nuts 214.
  • the bolts 206 are sequentially passed through the through holes 208 provided in the fixed section 204, and the through holes 212 provided in the front half 218 of the insertion section and the rear half 216 of the insertion section are screwed with the nut 214.
  • a guiding space 220 is formed between the insertion section front half 218 and the insertion section rear half 216.
  • the guiding space 220 is formed between the insertion section front half 218 and the insertion section rear half 216.
  • the guiding space 220 includes an upper V-shaped space 226 located above, a lower inverted V-shaped space 224 located below, and an upper V-shaped space 226 and the lower inverted V-shaped space.
  • a constant space 228 is spaced between 224.
  • the upper V-shaped space 226 is for accommodating the discharge port 112 of the slit nozzle 100.
  • the discharge end of the discharge port 112 is located just above the upper V-shaped space 226.
  • the width D3 of the discharge port 112 is larger than the width D2 of the interval constant space 228, and the width D2 of the interval constant space 228 is larger than the thickness D1 of the cleaning sheet body 300, that is, D3>D2>D1.
  • the auxiliary insertion member 200 and the slit nozzle 100 are reliably positioned by the engagement of the upper V-shaped space 226 with the discharge end of the discharge port 112. Since the width D3 of the discharge port 112 is larger than the width D2 of the interval constant space 228, and the width D2 of the interval constant space 228 is larger than the thickness D1 of the cleaning sheet body 300 and the guidance of the lower inverted V-shaped space 224, Cleaning the sheet 300 is convenient, fast, and easy.
  • the ejection port 112 is entered through the guiding space 220 accurately. Moreover, the depth of the cleaning sheet 300 inserted into the discharge port 112 can be controlled by setting the height of the auxiliary insertion section 202 to achieve an optimum cleaning effect.
  • the slit nozzle 100 can be cleaned by manually moving the cleaning sheet body 300 in the left-right direction X.
  • the slit nozzle cleaning device of this embodiment includes a resilient mounting bracket 400.
  • the elastic mounting bracket 400 includes a front support block 406, a rear support block 404, and a recess 408. Further, the elastic mounting bracket 400 has four coil springs 404 for pushing the auxiliary insertion member 200 upward in the up and down direction Z. Four coil springs 404 are sleeved on the cylinder 402 disposed on the front support block 406 and the rear support block 404. Thereby, the auxiliary insertion member 200 can be engaged with the lower side of the slit nozzle 100, that is, with the discharge port 112, without providing a magnet.
  • the four coil springs 404 are sleeved on the four cylinders 402 such that the front support block 406 and the rear support block 404 have a certain degree of freedom of movement in the up and down direction Z, When pressed, it can be elastically lowered in the up and down direction Z.
  • the elastic mounting frame 400 is provided with a groove 408, and a gap is formed between the front supporting block 406 and the rear supporting block 404, and the connecting plate 508 of the cleaning sheet body clamp 500 described later is adapted to the groove 408. When the cleaning sheet body holder 500 is automatically moved in the left-right direction X, it does not interfere with the elastic mounting frame 400.
  • the slit nozzle cleaning device further includes a cleaning sheet holder 500.
  • the cleaning sheet body holder 500 is for holding the cleaning sheet body 300.
  • the cleaning sheet body clamp 500 includes a clamp driving device 504.
  • the jig driving device 504 is configured to drive the cleaning sheet body jig 500 to move in the left-right direction X. Thereby, the cleaning sheet body 300 can be automatically moved in the left-right direction X to clean the slit nozzle 100.
  • the cleaning sheet holder 500 further includes a holding member 502, a connecting plate 508, and a rack 506.
  • the clamping member 502 has a front clamping block and a rear clamping block.
  • the front clamping block and the rear clamping block clamp the cleaning sheet body 300, and then lock the three together by bolts passing through the front clamping block and the rear clamping block.
  • the clamping member 502 is fixedly coupled to the connecting plate 508.
  • the connecting plate 508 is coupled to the drive unit 504 through a recess 408 in the resilient mount 400.
  • the drive device 504 may be, for example, a motor that drives a gear (not shown). Under the action of the driving device 504, the cleaning sheet body holder 500 moves the cleaning sheet body 300 in the left-right direction X, and the cleaning sheet body 300 is automatically moved in the left-right direction X to clean the slit nozzle 100, thereby improving the cleaning efficiency. Save labor costs.
  • the cleaning sheet clamp 500 can be in the belt gear
  • the mechanism is driven to move horizontally in the left-right direction X, and the cleaning sheet body 300 is horizontally moved in the left-right direction X (the elastic mounting frame 400 is stationary in the left-right direction X), and is moved from the end of the slit nozzle where the elastic mounting frame 400 is placed to The other end of the slit nozzle.
  • the cleaning sheet body 300 is fixed to the cleaning sheet body jig 500.
  • the slit nozzle 100 is The auxiliary insertion member 200 is aligned.
  • the auxiliary insertion member 200 since the auxiliary insertion member 200 has the degrees of freedom of movement in the up and down, front and rear, and left and right directions, the slit nozzle 100 and the auxiliary insertion member 200 can be self-aligned.
  • the slit nozzle 100 is moved in the vertical direction Z toward the auxiliary insertion member 200, and the upper V-shaped space 226 is engaged with the discharge end of the discharge port 112, and the cleaning sheet 300 is inserted into the discharge port 112. Then, move horizontally to achieve slit nozzle cleaning.

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Abstract

一种狭缝喷嘴清洁装置，该装置包括清扫片体（300）及辅助插入部件（200），所述辅助插入部件（200）用于将所述清扫片体（300）导入所述狭缝喷嘴（100）内，以便清洁狭缝喷嘴，保证狭缝喷嘴的涂布品质。

Description

一种狭缝喷嘴清洁装置 技术领域
本发明涉及一种狭缝喷嘴清洁装置， 尤其是用于对液晶平板显示器的光刻胶 涂布的狭缝喷嘴的内部进行清洁的狭缝喷嘴清洁装置。 背景技术
在 TFT-LCD等平板显示器的制造工艺中的光刻工序中， 一般通过狭缝喷嘴进 行光刻胶的涂布。 在进行涂布时， 使具有狭缝形状的喷出口的长条形的狭缝喷嘴 相对于玻璃基板等的涂布表面相对移动， 在基板上涂覆光刻胶。 狭缝喷嘴的喷出 口的宽度较小 （约百啟米级）。 在生产过程中， 喷出口发生堵塞而影响涂布品质时 常发生， 导致纵向色不均， 涂布不良。 以彩色滤光片光阻为例， 由于光刻胶中使 用颜料^:法^:有颜料分子， 因此容易干燥结块， 阻塞喷出口， 影响涂布品质。 发明内容
本发明的目的在于， 提供一种狭缝喷嘴清洁装置， 其可以用于狭缝喷嘴的清 洁， 保证狭缝喷嘴的涂布品质。
本发明通过如下技术方案实现： 一种狭缝喷嘴清洁装置， 其中， 所述狭缝喷 嘴清洁装置包括清扫片体及辅助插入部件 , 所述辅助插入部件用于将所述清扫片 体导入所述狭缝喷嘴内。
作为上述技术方案的进一步改进， 所述辅助插入部件吸附在所述狭缝喷嘴上。 作为上述技术方案的进一步改进， 所述狭缝喷嘴包括左盖板、 右盖板、 前喷 嘴半部、 后喷嘴半部、 流体入口， 所述前喷嘴半部、 所述后喷嘴半部由所述左盖 板、 所述右盖板固定在一起， 所述前喷嘴半部、 所述后喷嘴半部贴合而形成喷嘴 腔体及喷出口。
作为上述技术方案的进一步改进， 所述流体入口形成于所述前喷嘴半部上。 作为上述技术方案的进一步改进， 所述辅助插入部件包括辅助插入段及固定 段， 所述辅助插入段包括插入段前半部及插入段后半部， 所述插入段前半部及所 述插入段后半部由所述固定段固定在一起。
作为上述技术方案的进一步改进， 所述插入段前半部及所述插入段后半部之 间形成有引导空间。
作为上述技术方案的进一步改进， 所述狭缝喷嘴清洁装置还包括弹性安装架， 所述弹性安装架具有用于向上顶推所述辅助插入部件的多个螺旋弹簧。
作为上述技术方案的进一步改进， 所述辅助插入段及所述固定段的顶部分布 有多个磁铁以便将所述辅助插入部件吸附在所述狭缝喷嘴上。
作为上述技术方案的进一步改进， 所述引导空间包括位于上方的上方 V型空 间、位于下方的下方倒 V型空间、位于所述上方 V型空间与所述下方倒 V型空间 之间的间隔恒定空间， 所述上方 V型空间用于容纳所述狭缝喷嘴的喷出口。
作为上述技术方案的进一步改进， 所述喷出口的宽度大于所述间隔恒定空间 的宽度。
作为上述技术方案的进一步改进， 所述间隔恒定空间的宽度大于所述清扫片 体的厚度。
作为上述技术方案的进一步改进， 所述狭缝喷嘴清洁装置还包括清扫片体夹 具， 所述清扫片体夹具用于夹持所述清扫片体。
作为上述技术方案的进一步改进， 所述清扫片体夹具包括夹具驱动装置， 所 述夹具驱动装置用于驱动所述清扫片体夹具沿左右方向移动。
作为上述技术方案的进一步改进， 所述狭缝喷嘴包括左盖板、 右盖板、 前喷 嘴半部、 后喷嘴半部、 流体入口， 所述前喷嘴半部、 所述后喷嘴半部由所述左盖 板、 所述右盖板固定在一起， 所述前喷嘴半部、 所述后喷嘴半部贴合而形成喷嘴 腔体及喷出口， 所述流体入口形成于所述前喷嘴半部上， 所述辅助插入部件包括 辅助插入段及固定段， 所述辅助插入段包括插入段前半部及插入段后半部， 所述 插入段前半部及所述插入段后半部由所述固定段固定在一起， 所述插入段前半部 及所述插入段后半部之间形成有引导空间。
作为上述技术方案的进一步改进， 所述狭缝喷嘴清洁装置还包括弹性安装架， 所述弹性安装架具有用于向上顶推所述辅助插入部件的多个螺旋弹簧。
作为上述技术方案的进一步改进， 所述狭缝喷嘴清洁装置还包括清扫片体夹 具， 所述清扫片体夹具用于夹持所述清扫片体。
本发明的有益效果是： 本发明的狭缝喷嘴清洁装置包括清扫片体及辅助插入 部件， 所述辅助插入部件用于将所述清扫片体导入所述狭缝喷嘴内， 由此， 可以 利用辅助插入部件将清扫片体导入狭缝喷嘴内， 进行狭缝喷嘴的清洁， 保证狭缝 喷嘴的涂布品质。
附图说明
图 1是根据本发明的一个具体实施例的狭缝喷嘴清洁装置的立体透视示意图。 图 2是图 1中狭缝喷嘴的分解透视示意图。
图 3是图 1中辅助插入部件的分解透视示意图。
图 4是说明图 1中辅助插入部件的将清洁片体导入狭缝喷嘴的原理示意图。 图 5是图 1中辅助插入部件的引导空间的结构示意图。
图 6是根据本发明的另一具体实施例的狭缝喷嘴清洁装置的立体透视示意图。 图 7是图 6中弹性安装架的立体透视示意图。
图 8是图 6中清扫片体夹具的立体透视示意图。
图 9是显示图 6中的狭缝喷嘴清洁装置的辅助插入过程中的侧视示意图。 具体实施方式
以下结合附图对本发明的具体实施方式进行进一步的说明。
如图 1所示， 本发明的狭缝喷嘴清洁装置包括清扫片体 300及辅助插入部件 200, 所述辅助插入部件 200用于将所述清扫片体 300导入所述狭缝喷嘴 100内。
一般， 狭缝喷嘴 100的喷出口 112 (后述）的加工精密性高， 且表面平滑， 难 以使用金属硬质材料刮除， 本发明使用与喷出口 112的宽度接近的清扫片体 300, 利用辅助插入部件 200将清扫片体 300插入喷出口内。 清扫片体 300为薄片材料， 可以是但不仅限于 PET材料。 通过沿左右方向 X移动清扫片体 300, 刮擦喷出口 的内壁， 对狭缝喷嘴 100进行清洁。 由于釆用辅助插入部件 200将清扫片体 300 插入喷出口内， 所以没有清扫片体 300 弯曲或折损的担心， 可以快速准确地将清 扫片体 300插入喷出口内。 而且，还可以利用辅助插入部件 200控制清扫片体 300 插入喷出口的深度， 达到最佳清洁效果。
本发明的狭缝喷嘴清洁装置中， 所述辅助插入部件 200吸附在所述狭缝喷嘴 100上。 如图 3所示， 所述辅助插入段 202及所述固定段 204的顶部分别分布有 4 个磁铁 210, 以便将所述辅助插入部件 200吸附在所述狭缝喷嘴 100上。狭缝喷嘴 100为钢制件， 所以辅助插入部件 200牢牢能够吸附在所述狭缝喷嘴 100上。 虽然 在图 1所示的实施例中， 辅助插入部件 200通过磁铁 210吸附在狭缝喷嘴 100的 喷出口上， 但本发明不限于此， 例如可以通过魔术贴、 双面胶等固定件将辅助插 入部件 200粘贴在狭缝喷嘴 100的喷出口 112上。
如图 2所示，所述狭缝喷嘴 100包括左盖板 102、右盖板 104、前喷嘴半部 108、 后喷嘴半部 106、 流体入口 116。 所述前喷嘴半部 108、 所述后喷嘴半部 106由所 述左盖板 102、 所述右盖板 104固定在一起。 祥言之， 所述前喷嘴半部 108、 所述 后喷嘴半部 106由所述左盖板 102、 所述右盖板 104夹持后， 通过沿左右方向 X 延伸的 4根长形螺栓 114紧固在一起。 所述前喷嘴半部 108、 所述后喷嘴半部 106 贴合而形成喷嘴腔体 110及喷出口 112。所述流体入口 116形成于所述前喷嘴半部 108上。涂布流体经所述流体入口 116进入喷嘴腔体 110,并经由喷出口 112流出。
如图 3所示， 所述辅助插入部件 200包括辅助插入段 202及固定段 204。 所述 辅助插入段 202包括插入段前半部 218及插入段后半部 216。 所述插入段前半部 218及所述插入段后半部 216由所述固定段 204固定在一起。如图 3所示， 插入段 前半部 218及插入段后半部 216通过沿左右方向 X延伸的 4根螺栓 206 (图中仅 示出 2根）及相应螺母 214固定在固定段 204上。 祥言之， 螺栓 206依次穿过设 于固定段 204上的通孔 208、 设于所述插入段前半部 218及所述插入段后半部 216 上的通孔 212与螺母 214旋紧。 所述插入段前半部 218及所述插入段后半部 216 之间形成有引导空间 220。引导空间 220形成于插入段前半部 218及插入段后半部 216之间。
如图 4和图 5所示， 所述引导空间 220包括位于上方的上方 V型空间 226、 位于下方的下方倒 V型空间 224、 位于所述上方 V型空间 226与所述下方倒 V型 空间 224之间的间隔恒定空间 228。 所述上方 V型空间 226用于容纳所述狭缝喷 嘴 100的喷出口 112。 如图 4所示， 喷出口 112的吐出端恰好位于上方 V型空间 226内。 而且， 所述喷出口 112的宽度 D3大于所述间隔恒定空间 228的宽度 D2, 且所述间隔恒定空间 228的宽度 D2大于所述清扫片体 300的厚度 D1 ,即 D3>D2> Dl。通过上方 V型空间 226与喷出口 112的吐出端的卡合，实现辅助插入部件 200 与狭缝喷嘴 100的可靠定位。由于所述喷出口 112的宽度 D3大于所述间隔恒定空 间 228的宽度 D2、 所述间隔恒定空间 228的宽度 D2大于所述清扫片体 300的厚 度 D1及下方倒 V型空间 224的引导， 所以清扫片体 300可便捷、 快速、 容易、 准确无误地经由引导空间 220进入喷出口 112。 而且， 可以通过设置辅助插入段 202的高度， 控制清扫片体 300插入喷出口 112的深度， 达到最佳清洁效果。
在图 1至图 5所示的实施例中， 当将清扫片体 300插入喷出口 112之后， 可 以通过手动沿左右方向 X移动清扫片体 300对狭缝喷嘴 100进行清洁。
下面结合图 6至图 8介绍本发明的狭缝喷嘴清洁装置的变形例， 该变形例可 以实现清扫片体 300 自动沿左右方向 X移动， 对狭缝喷嘴 100进行清洁。
如图 6和图 7所示， 该实施例的狭缝喷嘴清洁装置包括弹性安装架 400。 所述 弹性安装架 400包括前支撑块 406、 后支撑块 404、 凹槽 408。 另外， 所述弹性安 装架 400具有用于沿上下方向 Z向上顶推所述辅助插入部件 200的 4个螺旋弹簧 404。 4个螺旋弹簧 404套设在设于前支撑块 406、 后支撑块 404上的柱体 402上。 由此， 无需设置磁铁， 即可使辅助插入部件 200与狭缝喷嘴 100的下方接合， 即 与喷出口 112卡合。根据该实施例的狭缝喷嘴清洁装置， 4个螺旋弹簧 404套设在 4根柱体 402上， 使得前支撑块 406、 后支撑块 404在上下方向 Z上具有一定程度 的移动自由度， 受压时可沿上下方向 Z可弹性下降。 而且， 所述弹性安装架 400 上设有凹槽 408 ,且前支撑块 406与后支撑块 404之间形成有间隙，后述的清扫片 体夹具 500的连接板 508与凹槽 408相适配， 使清扫片体夹具 500自动沿左右方 向 X移动时与弹性安装架 400不会发生干涉。
在图 6所示实施例中， 所述狭缝喷嘴清洁装置还包括清扫片体夹具 500。 所述 清扫片体夹具 500用于夹持所述清扫片体 300。且所述清扫片体夹具 500包括夹具 驱动装置 504。所述夹具驱动装置 504用于驱动所述清扫片体夹具 500沿左右方向 X移动。 由此， 可以实现清扫片体 300自动沿左右方向 X移动， 对狭缝喷嘴 100 进行清洁。具体而言，如图 6和图 8所示，清扫片体夹具 500还包括夹持部件 502、 连接板 508、 齿条 506。 夹持部件 502具有前夹持块、 后夹持块。 该前夹持块、 后 夹持块将清扫片体 300夹紧， 再通过穿过前夹持块、 后夹持块的螺栓将三者锁紧 在一起。 夹持部件 502固定连接在连接板 508上。 连接板 508穿过弹性安装架 400 上的凹槽 408与驱动装置 504连接。 驱动装置 504例如可以为驱动未图示的齿轮 的马达。 在驱动装置 504的作用下， 清扫片体夹具 500夹持清扫片体 300沿左右 方向 X移动， 实现清扫片体 300自动沿左右方向 X移动， 对狭缝喷嘴 100进行清 洁， 改善了清洁效率， 节省人力成本。 其中， 清扫片体夹具 500可以在皮带齿轮 机构的带动下沿左右方向 X水平运动， 带动清扫片体 300沿左右方向 X水平运动 (弹性安装架 400在左右方向 X上静止 ),从狭缝喷嘴的放置有弹性安装架 400的 一端移动到狭缝喷嘴的另一端。
如图 9所示， 在需要利用清扫片体 300对狭缝喷嘴 100的喷出口内部进行清 洁时， 首先， 将清扫片体 300固定在清扫片体夹具 500上； 接着， 使狭缝喷嘴 100 与辅助插入部件 200对准。 其中， 本实施例中， 由于辅助插入部件 200具有上下、 前后、 左右方向的运动自由度， 所以狭缝喷嘴 100与辅助插入部件 200可以自对 准。 然后， 使狭缝喷嘴 100沿上下方向 Z朝辅助插入部件 200运动， 使上方 V型 空间 226与喷出口 112的吐出端的卡合，并使清扫片体 300插入喷出口 112。接着， 水平运动， 实现狭缝喷嘴清洁。
以上具体实施方式对本发明进行了详细的说明， 但这些并非构成对本发明的 限制。 本发明的保护范围并不以上述实施方式为限， 但凡本领域普通技术人员根 据本发明所揭示内容所作的等效修饰或变化， 皆应纳入权利要求书中记载的保护 范围内。

Claims

1、 一种狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴清洁装置包括清扫片体及辅 助插入部件， 所述辅助插入部件用于将所述清扫片体导入所述狭缝喷嘴内。
2、 根据权利要求 1所述的狭缝喷嘴清洁装置， 其中， 所述辅助插入部件吸附 在所述狭缝喷嘴上。
3、 根据权利要求 1所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴包括左盖 板、 右盖板、 前喷嘴半部、 后喷嘴半部、 流体入口， 所述前喷嘴半部、 所述后喷 嘴半部由所述左盖板、 所述右盖板固定在一起， 所述前喷嘴半部、 所述后喷嘴半 部贴合而形成喷嘴腔体及喷出口。
4、 根据权利要求 3所述的狭缝喷嘴清洁装置， 其中， 所述流体入口形成于所 述前喷嘴半部上。
5、 根据权利要求 3所述的狭缝喷嘴清洁装置， 其中， 所述辅助插入部件包括 辅助插入段及固定段， 所述辅助插入段包括插入段前半部及插入段后半部， 所述 插入段前半部及所述插入段后半部由所述固定段固定在一起。
6、 根据权利要求 5所述的狭缝喷嘴清洁装置， 其中， 所述插入段前半部及所 述插入段后半部之间形成有引导空间。
7、 根据权利要求 5所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴清洁装置 还包括弹性安装架， 所述弹性安装架具有用于向上顶推所述辅助插入部件的多个 螺旋弹簧。
8、 根据权利要求 5所述的狭缝喷嘴清洁装置， 其中， 所述辅助插入段及所述 固定段的顶部分布有多个磁铁以便将所述辅助插入部件吸附在所述狭缝喷嘴上。
9、 根据权利要求 6所述的狭缝喷嘴清洁装置， 其中， 所述引导空间包括位于 上方的上方 V型空间、位于下方的下方倒 V型空间、位于所述上方 V型空间与所 述下方倒 V型空间之间的间隔恒定空间， 所述上方 V型空间用于容纳所述狭缝喷 嘴的喷出口。
10、 根据权利要求 9所述的狭缝喷嘴清洁装置， 其中， 所述喷出口的宽度大 于所述间隔恒定空间的宽度。
11、 根据权利要求 10所述的狭缝喷嘴清洁装置， 其中， 所述间隔恒定空间的 宽度大于所述清扫片体的厚度。
12、 根据权利要求 1所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴清洁装 置还包括清扫片体夹具， 所述清扫片体夹具用于夹持所述清扫片体。
13、 根据权利要求 12所述的狭缝喷嘴清洁装置， 其中， 所述清扫片体夹具包 括夹具驱动装置， 所述夹具驱动装置用于驱动所述清扫片体夹具沿左右方向移动。
14、 根据权利要求 1所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴包括左 盖板、 右盖板、 前喷嘴半部、 后喷嘴半部、 流体入口， 所述前喷嘴半部、 所述后 喷嘴半部由所述左盖板、 所述右盖板固定在一起， 所述前喷嘴半部、 所述后喷嘴 半部贴合而形成喷嘴腔体及喷出口， 所述流体入口形成于所述前喷嘴半部上， 所 述辅助插入部件包括辅助插入段及固定段， 所述辅助插入段包括插入段前半部及 插入段后半部， 所述插入段前半部及所述插入段后半部由所述固定段固定在一起， 所述插入段前半部及所述插入段后半部之间形成有引导空间。
15、 根据权利要求 14所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴清洁装 置还包括弹性安装架， 所述弹性安装架具有用于向上顶推所述辅助插入部件的多 个螺旋弹簧。
16、 根据权利要求 15所述的狭缝喷嘴清洁装置， 其中， 所述狭缝喷嘴清洁装 置还包括清扫片体夹具， 所述清扫片体夹具用于夹持所述清扫片体。
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