CN108205226A - Sealant coating unit, sealant coating equipment and its sealant replacing options - Google Patents

Sealant coating unit, sealant coating equipment and its sealant replacing options Download PDF

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Publication number
CN108205226A
CN108205226A CN201810005938.0A CN201810005938A CN108205226A CN 108205226 A CN108205226 A CN 108205226A CN 201810005938 A CN201810005938 A CN 201810005938A CN 108205226 A CN108205226 A CN 108205226A
Authority
CN
China
Prior art keywords
sealant
cavity
sealant coating
connector
flexible conduit
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
CN201810005938.0A
Other languages
Chinese (zh)
Other versions
CN108205226B (en
Inventor
张磊
刘金凯
周立剑
张伟强
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.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology 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 BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201810005938.0A priority Critical patent/CN108205226B/en
Publication of CN108205226A publication Critical patent/CN108205226A/en
Application granted granted Critical
Publication of CN108205226B publication Critical patent/CN108205226B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating Apparatus (AREA)

Abstract

The present invention provides a kind of sealant coating unit, including cavity, connector and the nozzle being arranged on the connector, there is the accommodating chamber for accommodating sealant in the cavity, the sealant coating unit further includes the flexible conduit connected with the accommodating chamber, one end of the flexible conduit and the cavity are detachably connected, the other end of the flexible conduit is connected with the connector, and the nozzle is connected by the connector with the flexible conduit.Correspondingly, the present invention also provides a kind of sealant coating equipment and its sealant replacing options.The present invention can save the process time, reduce coat the defect.

Description

Sealant coating unit, sealant coating equipment and its sealant replacing options
Technical field
The present invention relates to the production fields of display product, and in particular to a kind of sealant coating unit, sealant painting cover Standby and its sealant replacing options.
Background technology
Sealant coating process is important procedure in liquid crystal display device manufacturing process, and effect is that sealant is coated in glass On glass substrate, array substrate is made to be bonded with color membrane substrates, ensure that liquid crystal will not leak out.
Fig. 1 is the structure diagram of existing sealant coating unit, the connector 20 and chamber that nozzle 30 passes through stainless steel Body 10 connects, and sealant can be accommodated in cavity 10, after sealant is squeezed, is exported from nozzle 30.Envelope in cavity 10 After frame glue is exhausted, sealant is again loaded into continue to coat.The sealant coating unit of Fig. 1 every time supplement sealant it Afterwards, it is required for being corrected the integral position of sealant coating unit, so as to waste time, and easily generates coat the defect.
Invention content
The present invention is directed at least solve one of technical problem in the prior art, it is proposed that a kind of sealant coating dress It puts, sealant coating equipment and its sealant replacing options, to save the process time, and reduces coat the defect.
One of in order to solve the above-mentioned technical problem, the present invention provides a kind of sealant coating unit, including cavity, connector With the nozzle being arranged on the connector, the interior accommodating chamber having for accommodating sealant of the cavity, the sealant coating Device further includes the flexible conduit connected with the accommodating chamber, and one end of the flexible conduit removably connects with the cavity It connects, the other end of the flexible conduit is connected with the connector, and the nozzle passes through the connector and the flexible conduit Connection.
Preferably, the flexible conduit is adopted made of plastic.
The plastics for being preferably made from the flexible conduit include polytetrafluoroethylene (PTFE).
Preferably, the cavity is column, and the flexible conduit is connected with the bottom of the cavity.
Preferably, the connector is made of rigid material.
Preferably, the connector includes interconnected erection part and horizontal part, the erection part are led with the flexibility Pipe is connected, and the nozzle is arranged on the horizontal part.
Correspondingly, the present invention also provides a kind of sealant coating equipment, including installation carrier and provided by the invention above-mentioned Sealant coating unit, the side of the installation carrier are provided with mounting groove, and the cavity and the connector are removably In the mounting groove.
Preferably, the sealant coating equipment further includes:
Pushing meanss, the pushing meanss are used to push the sealant in the accommodating chamber to the nozzle;
Driving device, the driving device are used to that the installation carrier to be driven to lift or move along predetermined coating direction.
Preferably, the sealant coating equipment further includes position detection device, which is used to detect the spray The motion track of the distance between mouth and coated substrate and the nozzle.
Correspondingly, the present invention also provides a kind of sealant replacing options of sealant coating equipment, the sealant coatings Equipment above-mentioned sealant coating equipment provided by the invention, the sealant replacing options include:
The connector of the sealant coating equipment is made to be remained fixed in the mounting groove, and by the cavity with it is described Installation carrier is disassembled out;
The mobile cavity, so that its at least part is located at outside the mounting groove;
The cavity and the flexible conduit are dismantled;
New sealant is filled into the accommodating chamber of the cavity.
In the present invention, due to being provided with flexible conduit between cavity and connector, flexible conduit and cavity are removably Connection, therefore, when needing to refill sealant into accommodating chamber or need to clean accommodating chamber, it is only necessary to by cavity It is dismantled with flexible conduit, and the flexible effect of flexible conduit can be such that connector is not influenced by cavity, so as to the company of holding Fitting and nozzle are fixed, in this way, after sealant filling is finished or cleaned, also there is no need to again to the position of nozzle It is corrected, so as to save the time, and ensures the stability of sealant coating unit, and then reduce coat the defect.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, and a part for constitution instruction, with following tool Body embodiment is used to explain the present invention, but be not construed as limiting the invention together.In the accompanying drawings:
Fig. 1 is the structure diagram of existing sealant coating unit;
Fig. 2 is the structure diagram of sealant coating unit in the embodiment of the present invention;
Fig. 3 is that sealant coating unit is mounted on the side view on installation carrier in the embodiment of the present invention;
Fig. 4 is that sealant coating unit is mounted on the vertical view on installation carrier in the embodiment of the present invention;
Fig. 5 a to Fig. 5 b are the process schematics that cavity is dismantled when replacing sealant.
Wherein, reference numeral is:
10th, cavity;20th, connector;21st, erection part;22nd, horizontal part;30th, nozzle;
40th, flexible conduit;The 50th, carrier is installed.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As an aspect of of the present present invention, a kind of sealant coating unit is provided, as shown in Fig. 2, the sealant coating unit Including cavity 10, connector 20, nozzle 30 and flexible conduit 40.Wherein, the receiving for accommodating sealant is formed in cavity 10 Chamber, flexible conduit 40 are connected with the accommodating chamber;One end of flexible conduit 40 is detachably connected with cavity 10, flexible conduit 40 The other end be connected with connector 20;Nozzle 30 is set on connector 20, and is passed through connector 20 and connected with flexible conduit 40, from And it is connected with the accommodating chamber.When coating sealant, the sealant being stored in accommodating chamber is exported from nozzle 30, to be coated in On substrate.
The sealant coating unit is may be mounted in sealant coating procedure on installation carrier 50, is pacified by driving It loads body 50 to move, to carry out the coating of sealant.Fig. 3 is the side view that sealant coating unit is mounted on installation carrier, Fig. 4 is the vertical view that sealant coating unit is mounted on installation carrier, with reference to shown in Fig. 3 and Fig. 4, wherein, carrier 50 is installed Side is provided with mounting groove, and cavity 10 and connector 20 are each attached in mounting groove.For sealant coating unit in Fig. 1 Speech when needing to refill sealant into accommodating chamber or need to clean accommodating chamber, can only will include cavity 10, connect The overall structure of fitting 20 and nozzle 30 is removed out of mounting groove.And since the coating process of sealant is smart to the position of nozzle 30 Spend it is more demanding, therefore, when sealant filling finish or accommodating chamber cleaning finish, by cavity 10, connector 20 and nozzle 30 again It is secondary when being mounted in mounting groove, it needs to be corrected the position of nozzle again, so as to waste a large amount of production time, and easily The stability of sealant coating unit is influenced, and then is susceptible to coat the defect.
And in the present invention, due to being provided with flexible conduit 40, flexible conduit 40 and cavity between cavity 10 and connector 20 10 is detachably connected, therefore, when needing to refill sealant into accommodating chamber or need to clean accommodating chamber, such as Shown in Fig. 5 a and Fig. 5 b, it is only necessary to cavity 10 and flexible conduit 40 are dismantled, and the flexible effect of flexible conduit 40 can be with Connector 20 is made not influenced by cavity 10, so as to keep connector and nozzle fixed, in this way, being finished in sealant filling Or after cleaning, also there is no need to be corrected again to the position of nozzle, so as to save the time, and ensure that sealant applies The stability of coating device, and then reduce coat the defect.
Flexible conduit 40 specifically may be used plastics and be made, it is preferable that the plastics that flexible conduit 40 is made include polytetrafluoro Ethylene (PTFE).It, can strong alkali-acid resistance, water and various since tetrafluoroethene shows most of chemicals and solvent inertia Organic solvent, and do not allow it is easy to aging, therefore, using polytetrafluoroethylene (PTFE) make flexible conduit 40 service life it is longer;Also, Since the surface of the flexible conduit 40 made of polytetrafluoroethylene (PTFE) can reach very low friction coefficient, and the table with very little Face tension does not adhere to other substances, therefore can ensure that sealant is smooth clean and pass through.In addition, using polytetrafluoroethylene (PTFE) system Operating personnel will not be damaged or polluted the environment by 40 nonhazardous of flexible conduit of work.
In order to which the sealant in accommodating chamber is made more to smoothly enter flexible conduit 40, as shown in Fig. 2, cavity 10 is soft for column Property conduit 40 is connected with the bottom of cavity 10.That is, 10 bottom of cavity is provided with outlet, flexible conduit 40 passes through outlet and accommodating chamber Connection.10 top of cavity is also provided with entrance, and when carrying out sealant coating, high pressure gas is passed through from entrance to accommodating chamber Body, so as to which the sealant in accommodating chamber be pushed to be moved to outlet, until being exported from nozzle 30.
Connector 20 may be used rigid material and be made, to improve the stability of nozzle location.The rigid material can be with Including stainless steel and other metal materials.
Connector 20 is whole can to form upright shape, can also form " L " type as shown in Fig. 2, specifically, even Fitting 20 includes interconnected erection part 21 and horizontal part 22, erection part 21 are connected with flexible conduit 40, and nozzle 30 is arranged on On horizontal part 22.
As another aspect of the present invention, a kind of sealant coating equipment is provided, including installation carrier 50 and above-mentioned envelope frame Glue coating unit.The side of installation carrier 50 is provided with mounting groove, and cavity 10 and connector 20 are detachably mounted on described In mounting groove.Wherein, cavity 10 and connector 20, which are detachably mounted in the mounting groove, refers to, cavity 10 and connector 20 can be movable into and out mounting groove, and when cavity 10 is located in mounting groove, can utilize fastener that cavity 10 is removable It is fixed on unloading on installation carrier 50, equally, when connector 20 is located in mounting groove, fastener can also be utilized by connector 20 are removably attached on installation carrier 50.
The sealant coating equipment can also include pushing meanss, driving device and position detection device.Wherein:
Pushing meanss are squeezed for the sealant in the accommodating chamber to be pushed to nozzle 30, by sealant from nozzle 30 Go out.The pushing meanss can specifically include high pressurized gas, and high pressurized gas is inputted from the entrance on cavity into accommodating chamber High pressure gas, so as to which the sealant in accommodating chamber be squeezed towards nozzle 30.Certainly, the pushing meanss can also include setting Piston in accommodating chamber pushes sealant to be moved to nozzle by piston motion.
Driving device is connected with peace rotaring carrier 50, for installation carrier 50 to be driven to lift or is moved along predetermined coating direction, So as to which sealant coating unit be driven to lift, nozzle 30 is adjusted to coating at required height;Or driving sealant Coating unit moves, and then carry out the coating of sealant along predetermined coating direction.In practical applications, it is imitated to improve coating Rate, can set multiple sealant coating units, and each sealant coating unit corresponds to a driving device.
The position detection device is used to detect the movement of the distance between nozzle 30 and coated substrate and nozzle 30 Track, consequently facilitating the position of correction nozzle 30.The position detection device can including optical sensor etc. devices, to pass through The mode of optical detection detects the motion track of the distance between nozzle 30 and coated substrate and the nozzle.
Correspondingly, the present invention also provides a kind of sealant replacing options of above-mentioned sealant coating equipment, the sealants Replacing options include:
The connector 20 of the sealant coating equipment is made to be remained fixed in the mounting groove, and by cavity 10 with installing Carrier 50 is disassembled out.It should be understood that since connector 20 remains fixed in the mounting groove, nozzle 30 is also to protect It holds fixed.
Then, mobile cavity 10, so that at least part of cavity 10 is located at outside the mounting groove, as shown in Figure 5 a.
Later, cavity 10 and flexible conduit 40 are dismantled, as shown in Figure 5 b.
Followed by, new sealant is filled into the accommodating chamber of cavity 10.
It fills new sealant and then connect cavity 10, and cavity 10 is fixedly mounted on peace with flexible conduit 40 In tankage, to continue sealant coating.
It is to sealant coating unit provided by the invention, sealant coating equipment and its sealant replacing options above Description, it can be seen that due to being provided with flexible conduit between cavity and connector, flexible conduit is detachably connected with cavity, Therefore, when needing to refill sealant into accommodating chamber or need to clean accommodating chamber, it is only necessary to which cavity is carried out It is mobile, and the flexible effect of flexible conduit can be such that connector is not influenced by cavity, so as to which connector and nozzle be kept to fix It is motionless, in this way, after sealant filling is finished or cleaned, also there is no need to be corrected again to the position of nozzle, so as to The time is saved, and ensures the stability of sealant coating unit.
Since the stability of sealant coating unit improves, it is covered using the sealant painting of sealant coating unit Standby coating effect is more preferable.
When replacing sealant by the sealant replacing options of the present invention, the position of nozzle is fixed, without Its position is corrected again, so as to save the time.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.

Claims (10)

1. a kind of sealant coating unit including cavity, connector and the nozzle being arranged on the connector, has in the cavity It is useful for accommodating the accommodating chamber of sealant, which is characterized in that the sealant coating unit is further included to be connected with the accommodating chamber Flexible conduit, one end of the flexible conduit and the cavity are detachably connected, the other end of the flexible conduit and institute It states connector to be connected, the nozzle is connected by the connector with the flexible conduit.
2. sealant coating unit according to claim 1, which is characterized in that the flexible conduit is adopted made of plastic.
3. sealant coating unit according to claim 2, which is characterized in that the plastics that the flexible conduit is made include Polytetrafluoroethylene (PTFE).
4. sealant coating unit as claimed in any of claims 1 to 3, which is characterized in that the cavity is column Shape, the flexible conduit are connected with the bottom of the cavity.
5. sealant coating unit as claimed in any of claims 1 to 3, which is characterized in that the connector is adopted It is made of rigid material.
6. sealant coating unit as claimed in any of claims 1 to 3, which is characterized in that the connector packet Interconnected erection part and horizontal part are included, the erection part is connected with the flexible conduit, and the nozzle is arranged on the water In flat portion.
7. a kind of sealant coating equipment, which is characterized in that including described in any one in installation carrier and claim 1 to 6 Sealant coating unit, it is described installation carrier side be provided with mounting groove, the cavity and the connector are detachable Ground is mounted in the mounting groove.
8. sealant coating equipment according to claim 7, which is characterized in that the sealant coating equipment further includes:
Pushing meanss, the pushing meanss are used to push the sealant in the accommodating chamber to the nozzle;
Driving device, the driving device are used to that the installation carrier to be driven to lift or move along predetermined coating direction.
9. sealant coating equipment according to claim 7, which is characterized in that the sealant coating equipment further includes position Detection device is put, which is used to detect the movement of the distance between the nozzle and coated substrate and the nozzle Track.
10. a kind of sealant replacing options of sealant coating equipment, which is characterized in that the sealant coating equipment is right It is required that the sealant coating equipment in 7 to 9 described in any one, the sealant replacing options include:
The connector of the sealant coating equipment is made to be remained fixed in the mounting groove, and by the cavity and the installation Carrier is disassembled out;
The mobile cavity, so that its at least part is located at outside the mounting groove;
The cavity and the flexible conduit are dismantled;
New sealant is filled into the accommodating chamber of the cavity.
CN201810005938.0A 2018-01-03 2018-01-03 Frame sealing glue coating device, frame sealing glue coating equipment and frame sealing glue replacing method Expired - Fee Related CN108205226B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810005938.0A CN108205226B (en) 2018-01-03 2018-01-03 Frame sealing glue coating device, frame sealing glue coating equipment and frame sealing glue replacing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810005938.0A CN108205226B (en) 2018-01-03 2018-01-03 Frame sealing glue coating device, frame sealing glue coating equipment and frame sealing glue replacing method

Publications (2)

Publication Number Publication Date
CN108205226A true CN108205226A (en) 2018-06-26
CN108205226B CN108205226B (en) 2022-04-08

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CN201810005938.0A Expired - Fee Related CN108205226B (en) 2018-01-03 2018-01-03 Frame sealing glue coating device, frame sealing glue coating equipment and frame sealing glue replacing method

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CN (1) CN108205226B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1015444A (en) * 1996-07-03 1998-01-20 Sankyo Co Ltd Device for scattering chemical
EP0841038A1 (en) * 1996-11-06 1998-05-13 Braun Aktiengesellschaft Spray nozzle for oral hygiene douche
US20020112821A1 (en) * 2001-02-16 2002-08-22 Yuzuru Inaba Apparatus and method for applying viscous material
CN2559330Y (en) * 2002-08-09 2003-07-09 朱明亮 Multifunctional oral cavity clean keeping device
CN1500561A (en) * 2002-09-30 2004-06-02 松下电器产业株式会社 Fluid discharge device and discharge method
KR100792953B1 (en) * 2006-11-24 2008-01-08 현대자동차주식회사 Sealer sensor nozzle
CN101977694A (en) * 2008-03-27 2011-02-16 伊诺斯自动控制软件有限公司 Method and device for automatically introducing or applying viscous material
CN201969659U (en) * 2010-08-30 2011-09-14 信利半导体有限公司 Sealant coating device
CN204471955U (en) * 2015-02-05 2015-07-15 浙江文华印业有限公司 A kind of paste box machine glue-spraying device
CN205361842U (en) * 2015-10-29 2016-07-06 无锡安睿驰科技有限公司 Tire glue -spray system
CN106391413A (en) * 2016-06-30 2017-02-15 泰马克精密铸造(苏州)有限公司 Hot melt glue machine
CN205966285U (en) * 2016-08-26 2017-02-22 苏州安捷伦精密机械有限公司 Drum -type automatic glue sprayer

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1015444A (en) * 1996-07-03 1998-01-20 Sankyo Co Ltd Device for scattering chemical
EP0841038A1 (en) * 1996-11-06 1998-05-13 Braun Aktiengesellschaft Spray nozzle for oral hygiene douche
US20020112821A1 (en) * 2001-02-16 2002-08-22 Yuzuru Inaba Apparatus and method for applying viscous material
CN2559330Y (en) * 2002-08-09 2003-07-09 朱明亮 Multifunctional oral cavity clean keeping device
CN1500561A (en) * 2002-09-30 2004-06-02 松下电器产业株式会社 Fluid discharge device and discharge method
KR100792953B1 (en) * 2006-11-24 2008-01-08 현대자동차주식회사 Sealer sensor nozzle
CN101977694A (en) * 2008-03-27 2011-02-16 伊诺斯自动控制软件有限公司 Method and device for automatically introducing or applying viscous material
CN201969659U (en) * 2010-08-30 2011-09-14 信利半导体有限公司 Sealant coating device
CN204471955U (en) * 2015-02-05 2015-07-15 浙江文华印业有限公司 A kind of paste box machine glue-spraying device
CN205361842U (en) * 2015-10-29 2016-07-06 无锡安睿驰科技有限公司 Tire glue -spray system
CN106391413A (en) * 2016-06-30 2017-02-15 泰马克精密铸造(苏州)有限公司 Hot melt glue machine
CN205966285U (en) * 2016-08-26 2017-02-22 苏州安捷伦精密机械有限公司 Drum -type automatic glue sprayer

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