CN108993826A - A kind of injection glue dispensing valve - Google Patents
A kind of injection glue dispensing valve Download PDFInfo
- Publication number
- CN108993826A CN108993826A CN201810497863.2A CN201810497863A CN108993826A CN 108993826 A CN108993826 A CN 108993826A CN 201810497863 A CN201810497863 A CN 201810497863A CN 108993826 A CN108993826 A CN 108993826A
- Authority
- CN
- China
- Prior art keywords
- glue
- spool
- striker
- valve
- cylinder
- 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
Links
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
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1026—Valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
Landscapes
- Coating Apparatus (AREA)
Abstract
A kind of injection glue dispensing valve, high-power double cylinder superposition cylinders are used to drive striker quickly to move in spool plunger cavity for power, high speed gluing, resorption, sealing, can satisfy current large-screen liquid crystal display television and other electronic products produce big glue point, quickly, efficient needs for dispensing glue, and solve glue point wire drawing problem.
Description
Technical field
The present invention relates to a kind of injection glue dispensing valve, especially a kind of quick, efficient, single-point glue dispensing valve.
Background technique
Currently, existing glue dispensing valve is all low speed, the small glue point dispensing glue valve applied to low viscosity glue in the market.But
In the production of many electronic products, it is desirable that glue valve needs high speed, larger glue point gluing.Especially in LCD TV production, make
With high viscosity super glue, to need glue valve to complete within 10 seconds or so time under high-speed moving state several for backboard and lamp bar bonding
Ten to more than 100 a glue point gluings, existing glue valve gluing under this fast state can generate serious leak adhesive point, wire drawing, glue
The problems such as point is too small, glue point size is irregular, is not available at all.Therefore, the fast of new suitable electronic product production needs is developed
Speed, efficient, high viscosity super glue dispensing glue valve is imperative.
Summary of the invention
In order to overcome the defect of existing glue valve, the present invention provides a kind of suitable for the novel quick, high of middle and high viscosity glue
Effect, injecting type single-point glue dispensing valve.Present invention injection glue dispensing valve is specifically described below.
Scheme of the present invention is: installing spool in the spool bore of glue valve seat, passes through on syringe needle mouth below spool
Needle cap is fixed with syringe needle.The centre of spool is a up big and down small through-hole, above one section of macropore be used to install glue scraping plate and O-shaped
Circle, below one section of aperture be spool plunger cavity, plunger cavity upper section side is provided with spool and leads glue hole.On the valve core case of spool side
It is provided with valve core case and leads glue hole, valve core case leads glue hole and spool and leads glue hole to being just connected to.The upper surface of valve core case installs cylinder, cylinder cylinder
Bar connects striker by floating junction, and striker is inserted in the plunger cavity of spool.The cylinder for spraying glue dispensing valve is about one two
The superposition cylinder that cylinder is superimposed, upper cylinder half piston area are greater than lower cylinder, and the strength of upper cylinder half is greater than lower cylinder；Upper cylinder half stroke is smaller,
Lower cylinder stroke is larger, can be there are three different positions according to the cylinder rod of the different conditions of two cylinders superposition cylinder.On valve core case
Sebific duct is led in face connection, is led sebific duct and is connect by hose with glue feeder.Bottoming hole is provided on valve core case, insertion heating in bottoming hole
Pipe heats to glue valve according to glue performance and gluing manufacturing technique requirent, keeps glue valve constant temperature during the work time.
When spraying glue dispensing valve work, glue feeder is to the glue of glue valve supply certain pressure, and glue is by leading sebific duct, spool
Seat leads glue hole, spool leads glue hole and enters spool plunger cavity.Glue valve not gluing when, superposition cylinder upper cylinder half is released, and lower cylinder retracts, upper cylinder half gear
It stays cylinder, limits the stroke that lower cylinder retracts, rest on striker lower edge among spool (sealing position), striker blocks spool and leads glue
Hole, glue not can enter spool plunger cavity.When glue valve is started to work, the upper and lower cylinder of glue dispensing valve is all retracted, and striker is raised to extreme higher position
(into glue position), striker lower edge is mentioned spool and is led above glue hole, and glue enters spool plunger cavity under for glue laminated power.By very short
The amount that delay (into the glue time) glue enters spool plunger cavity reaches technique requirement, and the superposition upper and lower cylinder of cylinder is released simultaneously, and striker exists
Superposition cylinder rapid strong is rapidly lower under pushing to be beaten, and glue is spouting from syringe needle under striker promotion, beats in the workpiece to be bonded
One glue point of upper formation.Superposition cylinder upper cylinder half keeps releasing after striker gets to minimum point, and lower cylinder retracts rapidly, and striker is driven rapidly to return
It is extracted into sealing position, residue glue avoids glue point wire drawing by pumpback to spool plunger cavity in spool mouth and syringe needle.
The present invention sprays glue dispensing valve and drives striker gluing, resorption, sealing by power of high-power cylinder, each movement
It can be completed within a few tens of milliseconds.Using pressurization for glue, avoid because gelatin viscosity height generates not plastic emitting and the irregular phenomenon of plastic emitting；
It adjusts for the adjustable spool plunger cavity of glue laminated power into glue amount, controls glue point size.Glue valve has heating device, can pass through tune
Whole glue valve temperature and improving gelatin viscosity, concentration meet different glue, various processes dispensing needs.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the installation diagram for spraying glue dispensing valve.
Fig. 2 is the sectional view for spraying glue dispensing valve.
Fig. 3 is the partial enlarged view of Fig. 2.
1- valve core case in figure；2- spool A；3- spool lock nut；4- syringe needle；5- needle cap；6- glue scraping plate；7-O type circle；
8- spool B；9- striker plunger；10- attachment cap；11- connecting rod；12- floating junction；13- is superimposed cylinder；14- leads sebific duct；15- valve
Core print seat leads glue hole；16- spool leads glue hole；17- spool plunger cavity；18- heating tube；19- sebific duct hole；20- screw.
Specific embodiment
Embodiment explanation is carried out to present invention injection glue dispensing valve with reference to the accompanying drawing.
In Fig. 1,2,3, spool A2 and spool B8 is installed in the spool bore of valve core case 1.The upper surface spool B8 is pressed with screw
The lower end surface 20, spool B8 is withstood on the upper surface of spool A2, is locked below spool A2 by spool lock nut 3, and spool locks spiral shell
Female 3 screw connections are on valve core case 1.Syringe needle 4 is cased with below spool A2 on spool mouth, syringe needle 4 is by screw connection on spool A2
Needle cap 5 be pressed on spool A2.Connecting rod 11 is through in the mounting hole of superposition cylinder 13, is connected by the threaded screw of lower section
On valve core case 1, superposition cylinder 13 is locked to the certain distance of 1 top of valve core case.The cylinder rod screw connection for being superimposed cylinder 13 is floated
Connector 12, the following screw connection attachment cap 10 of floating junction 12, striker 9 is locked on floating junction 12 by attachment cap 10.Spool
Alternately three glue scraping plates 6 of installation and twice O-ring 7, striker 9 pass through glue scraping plate from the pilot hole of spool B8 in the macropore of A2 upper section
6 and O-ring 7 be inserted in spool A2 spool plunger cavity 17, the fit clearance between striker 9 and spool A2 spool plunger cavity 17 according to
Different glue carries out sealing striker 9 can by glue inner tensions at sealing position with work from 0.005~0.015mm
Firmly glue makes it not and can enter spool plunger cavity 17 to drip glue from syringe needle 4 because gravity flows down, but make striker 9 and spool plunger cavity 17 it
Between have enough gaps, can make striker 9 in spool plunger cavity 17 up and down high-speed slide, will not be by card during gluing
Firmly.Glue scraping plate 6 and striker 9 are using being interference fitted, and alternately three glue scraping plates 6 and twice O-ring 7 cooperation of installation will be on strikers 9
The residue glue of attachment scrapes, and avoids residue glue from taking spool out of and causes the pollution to superposition 13 cylinder rod of cylinder movement chamber, blocks.It leads under sebific duct 14
Terminal screw connects valve core case 1, and upper end grafting glue feeder hose is to glue valve for glue.Heating tube 18 is inserted in the bottoming hole of valve core case
In, it is heated under control system control to glue valve according to glue performance and manufacturing technique requirent, adjusts viscosity, the concentration of glue.
The present invention sprays glue dispensing valve and stops cleaning when not used in long-time, except residue glue in the valve that removes photoresist, so as not to it is residual
Glue solidifies stuck glue valve in glue valve.When the short time not having to (different, a few hours to a couple of days according to glue property), stop for glue
Device pressure and the heating of glue valve.Suitable striker 9 and 17 fit clearance of spool A2 spool plunger cavity can be closed for mucilage binding
Set spool lead glue hole 16 for sebific duct road, guarantee will not solidify rotten for glue in sebific duct road；When resuming work, restore to supply
Glue laminated power and the heating of glue valve, discharge spool lead 16 end viscosity of glue hole become larger viscosity in glue and spool plunger cavity 17 become larger it is residual
Glue can put into normal use.
Needing dispenser in normal work according to production technology is usually that (workpiece to be bonded enters dispensing for first charging
Machine), positioning (workpiece is fixed on predetermined position), then the quick gluing of dispenser (dispenser drive glue valve exist by the program finished
Walking, glue valve get glue point one by one in designed point above workpiece), (workpiece for accomplishing fluently glue sends out dispensing for finally discharging
Machine), start next working cycles.In the dispenser course of work, the work of glue valve is divided into sealing and waits, into glue, gluing, resorption
Four-stage, wherein sealing time longest, when dispenser charging and discharging and gluing between glue point walking glue valve all in sealing state.
When the present invention sprays glue dispensing valve work, glue feeder is to the glue of glue valve supply certain pressure, and glue is by leading glue
Pipe 14, sebific duct hole 19, valve core case leads glue hole 15, spool leads glue hole 16 and enters spool plunger cavity 17.Glue valve not gluing when, be superimposed cylinder
13 upper cylinder halfs are released, and lower cylinder drives striker 9 to retract, and since upper cylinder half limits the stroke that lower cylinder retracts, 9 lower edge of striker rests on spool
The intermediate sealing position of plunger cavity 17, striker 9 block spool and lead glue hole 16, and glue not can enter spool plunger cavity 17.Glue valve prepares
When gluing, the superposition upper and lower cylinder of cylinder 13 is all retracted, and the cylinder rod of superposition cylinder 13 is retracted into the limit above, and striker 9 is driven to mention highest order
It sets (into glue position), 9 lower edge of striker is mentioned spool and led above glue hole 16, and glue enters spool plunger cavity 17 under for glue laminated power.Through
It crosses very short delay (program setting into glue time) glue and enters the amount of spool plunger cavity 17 and reach technique requirement, be superimposed cylinder 13
Upper and lower cylinder is released simultaneously, pushes 9 strength of striker is rapidly lower to beat to 17 bottom of spool plunger cavity to be superimposed the thrust superposition of 13 liang of cylinders of cylinder
Portion, glue is spouting from syringe needle 4 under the promotion of striker 9, beats one glue point of formation on the workpiece to be bonded.Striker 9 is got to
Be superimposed 13 upper cylinder half of cylinder after minimum point and keep releasing motionless, lower cylinder retracts rapidly, drive striker 9 rapidly pumpback to sealing position, etc.
It is recycled to next gluing.It is superimposed cylinder 13 and drives the rapidly pumpback of striker 9, residue glue is arrived by pumpback in spool A2 spool mouth and syringe needle 4
In spool plunger cavity 17, avoids tail glue from deviating from syringe needle 4, cause glue point wire drawing.
According to glue performance, viscosity, concentration and production technology difference, control system controls heating tube 18 and heats to glue valve,
Improve glue property, convenient for preferably gluing.It adjusts for glue laminated power, it is adjustable for glue amount, change the size of glue point.
Glue dispensing valve is most short that a glue point can be got at 0.2 second for present invention injection, and gluing time, glue point size continuously may be used
It adjusts, glue wide adaptability, fully meets large-screen liquid crystal display television and other electronic products and produce big glue point, quick, efficient dispensing
Needs.
Claims (7)
1. a kind of injection glue dispensing valve, it is characterized in that: installing spool A (2) and spool B (8), spool B in the spool bore of valve core case (1)
(8) upper surface is pressed with screw (20), and spool B (8) lower end surface is withstood on the upper surface of (2) spool A, and spool A (2) is below by spool
Lock nut (3) locking, on valve core case (1), spool A (2) is cased on spool mouth spool lock nut (3) screw connection below
Syringe needle (4), the mounting hole that connecting rod (11) passes through superposition cylinder (13) are connected on valve core case (1), and superposition cylinder (13) is locked at
Above valve core case (1), it is superimposed the cylinder rod screw connection floating junction (12) of cylinder (13), screw connection connects floating junction (12) below
It connects cap (10), striker (9) is locked on floating junction (12) by attachment cap (10), in the macropore of spool A (2) upper section, is alternately pacified
Three glue scraping plates (6) and twice O-ring (7) are filled, striker (9) is inserted in spool A (2) spool plunger cavity (17), striker (9) and valve
Fit clearance between core plunger cavity (17) is carried out from 0.005~0.015mm with making according to different glue, glue scraping plate (6) with
Striker (9) is using interference fit, and alternately three glue scraping plates (6) and twice O-ring (7) cooperation of installation will adhere on striker (9)
Residue glue scrape, avoid residue glue from taking spool out of and pollute, block, lead sebific duct (14) lower end screw connection valve core case (1), upper end
Grafting glue feeder hose is to glue valve for glue, and heating tube (18) is inserted in the bottoming hole of valve core case (1), according to glue performance and life
Production. art requires to heat under control system control to glue valve.
2. injection glue dispensing valve as described in claim 1, it is characterised in that striker (9) and spool A (2) spool plunger cavity (17) it
Between fit clearance, make striker (9) that glue can be sealed by glue inner tensions at sealing position, it made not can enter spool
Plunger cavity (17), and can make that there is enough gaps between striker (9) and spool plunger cavity (17), striker (9) can be made in valve
High-speed slide above and below in core plunger cavity (17), will not be stuck during gluing.
3. injection glue dispensing valve as described in claim 1, it is characterised in that use high-power double cylinder superpositions cylinder (13) for power
Striker movement is driven, the different location of the upper and lower cylinder of superposition cylinder (13) is combined into envelope of the striker (9) in spool plunger cavity (17)
Glue position, into glue position, gluing position, both met the rapidity of gluing, and also met the multiposition requirement of gluing striker.
4. injection glue dispensing valve, feature are superimposed (13) two cylinder resultant force undershoots of cylinder in gluing as claimed in claim 3, increase
Gluing strength and speed are added, lower cylinder drives striker (9) rapid pumpback after fighting to the finish, and forms residue glue resorption, and the glue point got is fixed
Level is true, does not float, and ensure that gluing quality, also solves glue point wire drawing problem.
5. injection glue dispensing valve as described in claim 1, it is characterised in that glue scraping plate (6) and striker (9) are using interference fit, valve
The combination of three glue scraping plates (6) and twice O-ring (7) alternately installed in hole on core A (2) will adhere to residual on striker (9)
Glue scrapes, and avoids residue glue from taking spool out of and causes the pollution to superposition cylinder (13) cylinder rod movement chamber, blocks.
6. injection glue dispensing valve as described in claim 1, it is characterised in that the cylinder rod of superposition cylinder (13) passes through floating junction (12)
It connects striker (9), striker (9) can be automatically adjusted in upper and lower motion process by floating junction (12), reduce frictional resistance
And abrasion, extend the service life of glue dispensing valve.
7. injection glue dispensing valve as described in claim 1, it is characterised in that heating tube (18) are installed on glue dispensing valve, it can be according to
Glue property and manufacturing technique requirent heating, adjust glue viscosity and concentration, make different glue can be in glue valve of the present invention
Upper use increases the adaptability of glue valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497863.2A CN108993826B (en) | 2018-05-14 | 2018-05-14 | Injection dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497863.2A CN108993826B (en) | 2018-05-14 | 2018-05-14 | Injection dispensing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108993826A true CN108993826A (en) | 2018-12-14 |
| CN108993826B CN108993826B (en) | 2021-01-08 |
Family
ID=64573411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810497863.2A Active CN108993826B (en) | 2018-05-14 | 2018-05-14 | Injection dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108993826B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676101A (en) * | 2020-12-10 | 2021-04-20 | 哈尔滨工业大学 | Compact high-viscosity engine shell lining throwing and coating device |
| CN112756205A (en) * | 2020-12-30 | 2021-05-07 | 苏州特瑞特机器人有限公司 | Pneumatic high-pressure valve and working process thereof |
| CN117160805A (en) * | 2023-11-01 | 2023-12-05 | 江苏永银化纤有限公司 | Chemical fiber non-woven fabric waterproof layer coating device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759477A (en) * | 1985-06-17 | 1988-07-26 | Corporation Loctite | Variable flow rate dispensing valve assembly |
| CN201482679U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Spraying valve |
| CN201482680U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Firing pin valve |
| CN102580889A (en) * | 2012-03-09 | 2012-07-18 | 深圳市轴心自控技术有限公司 | Dispensing device and dispensing system |
| CN202356256U (en) * | 2011-12-13 | 2012-08-01 | 深圳翠涛自动化设备股份有限公司 | Jet dispensing valve for reducing abrasion between firing pin and spray nozzle |
| CN203556505U (en) * | 2013-09-02 | 2014-04-23 | 深圳市腾盛工业设备有限公司 | Jet glue dispensing valve |
| CN206315985U (en) * | 2016-12-19 | 2017-07-11 | 苏州睿斯合机电设备有限公司 | A kind of firing pin type point glue equipment |
| CN108019397A (en) * | 2017-12-27 | 2018-05-11 | 宣城***机械有限公司 | A kind of gas-liquid linked structure of high sealed |
-
2018
- 2018-05-14 CN CN201810497863.2A patent/CN108993826B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4759477A (en) * | 1985-06-17 | 1988-07-26 | Corporation Loctite | Variable flow rate dispensing valve assembly |
| CN201482679U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Spraying valve |
| CN201482680U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Firing pin valve |
| CN202356256U (en) * | 2011-12-13 | 2012-08-01 | 深圳翠涛自动化设备股份有限公司 | Jet dispensing valve for reducing abrasion between firing pin and spray nozzle |
| CN102580889A (en) * | 2012-03-09 | 2012-07-18 | 深圳市轴心自控技术有限公司 | Dispensing device and dispensing system |
| CN203556505U (en) * | 2013-09-02 | 2014-04-23 | 深圳市腾盛工业设备有限公司 | Jet glue dispensing valve |
| CN206315985U (en) * | 2016-12-19 | 2017-07-11 | 苏州睿斯合机电设备有限公司 | A kind of firing pin type point glue equipment |
| CN108019397A (en) * | 2017-12-27 | 2018-05-11 | 宣城***机械有限公司 | A kind of gas-liquid linked structure of high sealed |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676101A (en) * | 2020-12-10 | 2021-04-20 | 哈尔滨工业大学 | Compact high-viscosity engine shell lining throwing and coating device |
| CN112676101B (en) * | 2020-12-10 | 2022-04-12 | 哈尔滨工业大学 | Compact high-viscosity engine shell lining throwing and coating device |
| CN112756205A (en) * | 2020-12-30 | 2021-05-07 | 苏州特瑞特机器人有限公司 | Pneumatic high-pressure valve and working process thereof |
| CN112756205B (en) * | 2020-12-30 | 2023-10-20 | 苏州卓兆点胶股份有限公司 | Pneumatic high-pressure valve and working process thereof |
| CN117160805A (en) * | 2023-11-01 | 2023-12-05 | 江苏永银化纤有限公司 | Chemical fiber non-woven fabric waterproof layer coating device |
| CN117160805B (en) * | 2023-11-01 | 2024-01-26 | 江苏永银化纤有限公司 | Chemical fiber non-woven fabric waterproof layer coating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108993826B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108993826A (en) | A kind of injection glue dispensing valve | |
| CN201552079U (en) | Jet glue dropping valve | |
| CN201921804U (en) | High-pressure gas driven glue injector | |
| US20180200749A1 (en) | Jetting dispensing system including feed by progressive cavity pump and associated methods | |
| CN101844124A (en) | Ejecting adhesive dispenser based on dual-function cylinder | |
| CN109590165B (en) | Dispensing valve for dispensing machine | |
| CN109675762B (en) | Dispensing method of LED display screen and dispensing equipment of LED display screen | |
| CN102941183A (en) | Electromagnetic drive adhesive dispensing valve comprising flexible amplification arm | |
| CN105190036B (en) | Booster pump for transfer of highly viscous liquid | |
| CN214600098U (en) | Buffer is glued to point | |
| CN206966028U (en) | A kind of injection glue dispensing valve at a high speed | |
| CN109290134B (en) | Thimble type dispensing valve | |
| CN106853701B (en) | Toilet paper glue-spraying device | |
| CN116273689A (en) | Automatic dispensing device for LCD display screen | |
| CN106733458B (en) | A kind of glue dispensing valve based on micro-fluidic chip | |
| CN216539279U (en) | Parallel double-cylinder heating cylinder | |
| CN101462100A (en) | Coating device | |
| CN207371804U (en) | A kind of gluing water dropper of adhesive supplier | |
| CN113477466B (en) | Wafer dispensing device and process | |
| CN213644718U (en) | LED die bonding and dispensing device | |
| JP2004174342A (en) | Coating apparatus and coating method | |
| CN201613209U (en) | Novel plunger type resorption glue gun | |
| CN103406234A (en) | Volumetric jetting-dispensing device | |
| CN215612780U (en) | Striker valve with heating sleeve | |
| CN207446614U (en) | A kind of automatic glue spreaders |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |