CN102671819A - Dispensing unit capable of exhausting bubbles - Google Patents

Dispensing unit capable of exhausting bubbles Download PDF

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Publication number
CN102671819A
CN102671819A CN2011100657005A CN201110065700A CN102671819A CN 102671819 A CN102671819 A CN 102671819A CN 2011100657005 A CN2011100657005 A CN 2011100657005A CN 201110065700 A CN201110065700 A CN 201110065700A CN 102671819 A CN102671819 A CN 102671819A
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China
Prior art keywords
accommodation chamber
glue
colloid
transfer valve
communicated
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CN2011100657005A
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Chinese (zh)
Inventor
邱贤源
黄政洲
蔡柏廷
杨王维
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EVEST Corp
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EVEST Corp
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Priority to CN2011100657005A priority Critical patent/CN102671819A/en
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Abstract

The invention relates to a dispensing unit capable of exhausting bubbles, which comprises a linear driving module. The linear driving module comprises a pushing plunger and a glue holding chamber, wherein an upper passage is arranged on the top above the glue holding chamber, one end of the upper passage is connected with the glue holding chamber, the other end of the upper passage is conducted to a glue outlet, the outside diameter of the pushing plunger is less than the inside diameter of the glue holding chamber, and the bubbles or glue water in the glue holding chamber is extruded and exhausted through the upper passage when the pushing plunger extends into the glue holding chamber to move through a through hole of the glue holding chamber. The dispensing unit has the advantages of easiness for completely exhausting the bubbles, difficulty for damage and change, improvement of dispensing quality and the like.

Description

The point glue unit of tool exhaust bubble function
Technical field
The present invention relates to a kind of some glue unit of tool exhaust bubble function, can the bubble in the colloid accommodation chamber be got rid of, and have the function of being blocked by the additive powder in the glue in the time of to prevent that promoting plunger slides in the colloid accommodation chamber.
Background technology
Carry out a glue when at present common point glue equipment is mainly used in the assembling of various electronic chips, optical lens and LCD, LED; Progress along with science and technology; Electronic component is done littler and littler; Therefore need high-precision point glue equipment carry out a glue, it probably divides into spray site glue mode and syringe needle point glue mode, to carry out the coating of exact position; Above-mentioned prior art is that industry institute generally adopts, for example TaiWan, China patent announcement M246506 number, No. 590049 and United States Patent (USP) US6371339 number, US7762088 number.
The glue of the glue spots glue mode of point glue equipment technology plunger promotion commonly used is at present discharged in the colloid accommodation chamber, and is moved the most accurately to carry out plunger by control system control driver module, utilizes the change control glue discharge or the pressure of colloid accommodation chamber volume; For asking quality good; Must accurate control points glue pressure, some glue amount size etc., but this kind point glue equipment can cause air inlet point adhesive dispenser residual between the glue pipeline when changing rubber-storing cylinder, thereby often takes place that bubble is arranged in the glue; Make in the invocation point glue process appearance point glue amount not of uniform size; Even, cause product not put the defective of glue, thereby the product fraction defective improve; In addition; Often needing to add powders such as fluorescent material or various additives at present in the glue mixes; The for example some glue operation of LED, this kind fluorescent material is that tiny powder shape mixes in glue, can infiltrate the wall finedraw between the two that promotes plunger and colloid accommodation chamber; Cause to promote plunger and the colloid accommodation chamber blocks and can't use, even thereby cause machine breakdown.
Be depicted as an existing point glue equipment like Figure 1A and Figure 1B; Should existing point glue equipment have a rubber-storing cylinder 300, a Glass cement squeezing device 400 and switches valve gear 500; Have a driver 501 and first passage 502, second channel 503 in the selector valve device 500; One promotes to put glue accommodation chamber 402, one dispensing needle heads 600 that plunger 401 gos deep in this Glass cement squeezing device 400 is loaded on Glass cement squeezing device 400 belows, and Figure 1A be the cutaway view of the glue of conventional point adhesive dispenser from rubber-storing cylinder 300 these Glass cement squeezing devices 400 of entering; This moment, the second channel 503 of selector valve device 500 was communicated with rubber-storing cylinder 300 and Glass cement squeezing device 400; Change like rubber-storing cylinder 300, when perhaps using for the first time, residual air can mix formation bubble 404 entering Glass cement squeezing devices 400 with glue in glue channel or the Glass cement squeezing device 400; Need carry out the operation of exhaust bubble; Figure 1B is existing point glue equipment bubble 404 or glue 50 cutaway view from Glass cement squeezing device 400 discharge point needle heads 600, and this moment, the first passage 502 of selector valve device 500 was communicated with Glass cement squeezing devices 400 and dispensing needle heads 600, because the binder removal mouth 403 of Glass cement squeezing device 400 is positioned at the bottom; And bubble 404 proportions gentlier can pastly voluntarily rise in glue accommodation chamber 402 tops, and can not discharge from binder removal mouth 403 and gum outlet 601; Make that the discharge operation of bubble 404 is not smooth; Stay in the glue accommodation chamber 402 or in the glue channel; Reduce to the bottom of glue accommodation chamber 402 even if promote plunger 401, little space between the two still can stop bubble 404, so that can't fully totally get rid of bubble 404; Moreover, promote to annotate plug 401 and glue accommodation chamber 402 inwalls for fluid-tight engagement so that slide and promote glue 50 discharge point glue, in the glue 50 as add powders 405 such as additive or fluorescent material; Slide under process and the pressure effect; Powder 405 can infiltrate and promote plunger 401 and accommodation chamber 402 walls finedraw 406 between the two, causes promotion plunger 401 to block, and can't continue action; Even cause damage, must change.
Hence one can see that, and still there are above-mentioned said many defectives in existing point glue equipment, and gives improved necessity.
Summary of the invention
The object of the present invention is to provide a kind of some glue unit, can be easy to get rid of fully the bubble in the colloid accommodation chamber, improve the accuracy of some glue operation, avoid bad product to take place.
Another object of the present invention is to provide a kind of some glue unit, the colloid accommodation chamber of this glue unit top has a upper channel, can let in the colloid accommodation chamber bubble in the glue rise voluntarily and discharge from this upper channel.
Another object of the present invention is to provide a kind of some glue unit; The promotion plunger of this glue unit has the gap less than the internal diameter of colloid accommodation chamber; This tool powder glue can be moved in this backlash freedom; Avoid the powder of additive or fluorescent material in the glue to snap into and promote plunger and colloid accommodation chamber finedraw between the two, cause and block and to move or to damage.
Another object of the present invention is to provide a kind of some glue unit; The colloid accommodation chamber top of this glue unit has a upper channel; And comprise a transfer valve; Through convertible this upper channel of transfer valve be communicated with this gum outlet or be communicated with this go into Jiao Kou one of them, can let in the colloid accommodation chamber bubble in the glue rise voluntarily and discharge from this upper channel, perhaps glue is discharged or is injected the colloid accommodation chamber from upper channel.
For reaching aforesaid goal of the invention, the present invention provides a kind of some glue unit of tool exhaust bubble function to comprise a straight line driver module and some rubber moulding pieces; Above-mentioned linear drives module comprises a straight line drive unit and and promotes plunger, and this linear drive apparatus drives this promotion plunger straight line and moves; And above-mentioned some rubber moulding piece; Comprise some rubber base bodies, this rubber base body comprises a glue injection cavities body and a cavity loam cake surrounds the colloid accommodation chamber, and this glue injection cavities body top tip position has a upper channel; This upper channel one end is communicated with the colloid accommodation chamber, and the other end is communicated with gum outlet; Wherein, the external diameter of this promotion plunger has the gap less than this colloid accommodation chamber internal diameter, when this promotion plunger is stretched into this colloid accommodation chamber and moved inward by the through hole of this cavity loam cake, with bubble or the glue in this colloid accommodation chamber, is discharged by this upper channel extruding.
The point glue unit of tool exhaust bubble function of the present invention further comprises a lower channel and is located at glue injection cavities body lower bottom part position; And further comprise a first passage and a second channel; This first passage one end is communicated with this upper channel; The other end is communicated with gum outlet, and this second channel one end is communicated with this lower channel, the other end with go into Jiao Kou and be communicated with; Bubble in this colloid accommodation chamber or glue are communicated with this first passage by this upper channel discharges, and the glue in this colloid accommodation chamber is communicated with this second channel by this lower channel and injects.
The point glue unit of tool exhaust bubble function of the present invention also comprises a transfer valve; This transfer valve is located at the transfer valve accommodation chamber of this rubber base body; This transfer valve has one first ring groove and second ring groove, and this transfer valve is displaced into the primary importance and the second place in the transfer valve accommodation chamber; This transfer valve this first ring groove when this primary importance is communicated with upper channel and first passage, and this second channel is stopped by this transfer valve with lower channel and is not communicated with; This transfer valve this second ring groove when this second place is communicated with lower channel and second channel, and this first passage is stopped by this transfer valve with upper channel and is not communicated with.
The point glue unit of tool exhaust bubble function of the present invention further comprises one and switches a valve actuator and a flexible member; This transfer valve driver and this flexible member peak at the two ends of this transfer valve respectively, drive this transfer valve and in this transfer valve accommodation chamber, are displaced into this primary importance and the second place.
For reaching aforesaid goal of the invention, the present invention provides a kind of some glue unit of tool exhaust bubble function to comprise one in addition and promotes plunger and some rubber moulding pieces, but above-mentioned promotion plunger straight line moves; And above-mentioned some rubber moulding piece comprise some rubber base bodies, and this rubber base body comprises the colloid accommodation chamber, and this colloid accommodation chamber top tip position is provided with a upper channel, and this upper channel one end is communicated with colloid accommodation chamber, and the other end is communicated in gum outlet; Wherein, The external diameter of this promotion plunger has the gap less than this colloid accommodation chamber internal diameter; When this promotion plunger is stretched into the inside straight line of this colloid accommodation chamber and moved by the through hole of this colloid accommodation chamber,, discharge by this upper channel extruding with bubble or the glue in this colloid accommodation chamber.
The point glue unit of tool exhaust bubble function of the present invention further comprises a first passage, a second channel and a transfer valve; This first passage one end is communicated with gum outlet; This second channel one end with go into Jiao Kou and be communicated with; This transfer valve is positioned at the transfer valve accommodation chamber, and this transfer valve is removable in the primary importance and the second place in this transfer valve accommodation chamber; This transfer valve this upper channel when this primary importance is communicated with this first passage, and is stopped by this transfer valve and not to be communicated with this second channel; This transfer valve this upper channel when this second place is communicated with this second channel, and is stopped by this transfer valve and not to be communicated with first passage.
The present invention has a upper channel through colloid accommodation chamber top; And the promotion plunger has the gap less than the internal diameter of colloid accommodation chamber; Make the bubble that gets in the glue to rise voluntarily in colloid accommodation chamber top because of light specific gravity; Discharge by upper channel, and avoid the powder of additive or fluorescent material infiltrate in promote plunger and colloid accommodation chamber between the two finedraw and block, thereby making the exhaust of a glue unit steep operation is easy to reach; Improve some glue accuracy and yield, and can avoid damaging and increase a service life of glue unit.
Description of drawings
Figure 1A is conventional point adhesive dispenser glue gets into this Glass cement squeezing device from rubber-storing cylinder a cutaway view;
Figure 1B is for having point glue equipment bubble or the glue cutaway view from Glass cement squeezing device discharge point needle head now;
Fig. 2 is the first embodiment of the invention cutaway view;
Fig. 3 begins to flow into the cutaway view of colloid accommodation chamber state for the glue of first embodiment of the invention;
Fig. 4 flows into the cutaway view of filling with colloid accommodation chamber state for the glue of first embodiment of the invention;
Fig. 5 is the cutaway view of the exhaust blister attitude of first embodiment of the invention;
Fig. 6 is the cutaway view of the dripping glue state of first embodiment of the invention;
Fig. 7 begins to flow into the cutaway view of colloid accommodation chamber state for the glue of second embodiment of the invention;
Fig. 8 is the cutaway view of the exhaust blister attitude of second embodiment of the invention.
The main element symbol description
Figure BSA00000454342100041
Figure BSA00000454342100051
The specific embodiment
About technology contents of the present invention, characteristics and effect, in the detailed description of following cooperation, can clearly appear with reference to the preferred embodiment of accompanying drawing.
Following Fig. 2 to Fig. 8 is a first embodiment of the invention, and seeing also Fig. 2 is the first embodiment of the invention cutaway view.Of the present invention some glue unit comprises a straight line driver module 10 and some rubber moulding pieces 20 are located on the support 100; This support 100 includes a support column 101 and fixed platform 102; Linear drives module 10 is located at support column 101 tops, and some rubber moulding piece 20 secure bond are on fixed platform 102.
Linear drives module 10 comprises a straight line drive unit 11, and having in this linear drive apparatus 11 for example is existing servo motor or stepper motor, and it does accurate the rotation by the control of control system; And linear drive apparatus 11 combines a drive screw 12, and the other end of this drive screw 12 is incorporated into support column 101 can the mode of rotating freely to be incorporated into slide 13, one slide rails 14; Slide rail 14 is provided with the dovetail seat with slide 13 and dovetail groove is bonded to each other; This dovetail groove and dovetail seat are existing combined structure, make that slide 13 can remain on the slide rail 14 and move as straight line when slide 13 was promoted by the drive screw 12 of linear drive apparatus 11; Slide 13 is provided with a T connected in star 131; One promotes plunger 15 has a T shape 151, and this T shape 151 cooperates the setting of T connected in stars, makes both can be easy to combine or separate; Combine with slide 13 owing to promote plunger 15, move thereby this linear drive apparatus 11 can drive these promotion plunger 15 straight lines via slide 13.
Point rubber moulding piece 20 has some rubber base bodies 21; This rubber base body 21 is fixed on the fixed platform 102 of support 100; Be positioned at the below of linear drives module 10, have first perforation 103 on the fixed platform 102 and supply to promote plungers 15 and pass and stretch into a rubber base body 21, this rubber base body 21 comprises a glue injection cavities body 23 and a cavity loam cake 235 surrounds colloid accommodation chamber 233; This cavity loam cake 235 has a through hole 234; Supply to promote plunger 15 and stretch in the colloid accommodation chamber 233, cavity loam cake 235 is provided with at least one O shape ring 236 and places between this cavity loam cake 235 and this promotion plunger 15, makes these promotion plunger 15 sealings slide against this colloid accommodation chamber 233; The external diameter that promotes plunger 15 is less than these colloid accommodation chamber 233 internal diameters; Have gap W between the two, glue 50 or the powder 41 in bubble 41 and the glue 50 thereof in the colloid accommodation chamber 233 can be flowed in the W of this gap, avoid promoting plunger 15 and be stuck in this colloid accommodation chamber 233; This gap W can be according to the powder 41 size adjustment of additive, and W the best in gap is between 0.25mm~2mm.
Glue injection cavities body 23 top tip positions have a upper channel 231, and an end of upper channel 231 is communicated with colloid accommodation chamber 233 tops; Glue injection cavities body 23 belows have a lower channel 232, and an end of lower channel 232 is communicated with colloid accommodation chamber 233 belows.
Point rubber base body 21 is provided with separately independently first passage 211 and second channel 212; First passage 211 1 ends are connected with gum outlet 282; This gum outlet 282 connects adapter 27; Adapter 27 is tie point needle head 28 again, and dispensing needle head has a glue mouth 281, and first passage 211 is communicated with some glue mouth 281; Second channel 212 1 ends with go into glue mouth 213 and be communicated with, a rubber-storing cylinder 30 is connected in into glue mouth 213 with replaceable mode, and rubber-storing cylinder 30 can be connected with second channel 212, glue 50 can flow into second channel 212 in the rubber-storing cylinder; First passage 211 is established perforation place breakthrough point rubber base body 21 with second channel 212 in suitable place; First passage 211 in perforation place establish seal knob 221 sealing should perforation place; Second channel 212 in this perforation place establish seal knob 222 sealing should perforation place; Seal knob 221 and can clean first passage 211 in taking off, seal knob 222 and can clean second channel 212 from perforation in taking off from perforation.
Be provided with a transfer valve accommodation chamber 253 in addition in the some rubber base body 21, a side of this transfer valve accommodation chamber 253 is communicated with upper channel 231 and lower channel 232 respectively, and opposite side is communicated with second channel 212 with first passage 211 respectively; One transfer valve 25 is located in the transfer valve accommodation chamber 253 of this rubber base body 21; This transfer valve 25 has one first ring groove 251 and second ring groove 252; Upper and lower in this first ring groove 251 and second ring groove 252 is provided with at least one sealed groove 254; At least one O shape ring 255 places in the sealing groove 254, makes this transfer valve 25 and this transfer valve accommodation chamber driving fit.
Please refer to Fig. 2 and Fig. 3; One switches valve actuator 18 is located on the fixed platform 102; The device of this transfer valve driver 18 for moving as linear reciprocation, for example existing can be the pneumatic cylinder that is promoted by gas, perhaps motor-driven valve etc.; Action by control system control transfer valve driver 18; Transfer valve driver 18 has a drive rod 19, and drive rod 19 passes fixed platform 102 second perforation 104 and peaks at transfer valve 25 1 ends, and a flexible member 26 is located at the bottom of transfer valve accommodation chamber 253 and is peaked at transfer valve 25 other ends; This transfer valve driver 18 and this flexible member 26 peak at the two ends of this transfer valve 25 respectively, and controlled system control transfer valve driver 18 drives these transfer valves 25 and in this transfer valve accommodation chamber 253, is displaced into the primary importance (like Fig. 2) and the second place (like Fig. 3).
Transfer valve as shown in Figure 2 is when this primary importance; Transfer valve 25 receives flexible member 26 to peak at eminence; This moment, this first ring groove 251 connected conducting upper channels 231 and first passages 211, and this second channel 212 is stopped by this transfer valve 25 with lower channel 232 and is not connected conducting; Glue 50 in this moment colloid accommodation chamber 233 or bubble 40 can be by transfer valve accommodation chamber 253 via upper channels 231, and after first ring groove 251 thereafter through first passage 211, discharge via gum outlet 282 at last.
Transfer valve 25 as shown in Figure 3 is when this second place; Transfer valve 25 receives drive rod 19 roof pressures in lower; This moment, this second ring groove 252 connected conducting lower channels 232 and second channels 212, and this first passage 211 is stopped by this transfer valve 25 with upper channel 231 and is not connected conducting; Glue 50 in this moment rubber-storing cylinder 30 can be by going into glue mouth 213 second channel 212 of flowing through, and after second ring groove 252, and after lower channel 232 gets into colloid accommodation chambers 233.
The embodiment of first embodiment of the invention such as Fig. 3 are to shown in Figure 6; The glue 50 that sees also first embodiment of the invention shown in Figure 3 begins to flow into the cutaway view of colloid accommodation chamber 233 states; Use up when the glue in the colloid accommodation chamber 233 50 and need mend when filling out; Utilize transfer valve driver 18 that transfer valve 25 is peaked at the lower second place, make second ring groove 252 connect conducting lower channels 232 and second channels 212, and upper channel 231 is stopped by transfer valve 25 and do not connect conducting first passage 211; Can supply with rubber-storing cylinder 30 1 malleations this moment; Thereby and linear drives module 10 is started drive and promotes plungers 15 and rise, make to form pressure differentials in the colloid accommodation chamber 233, and then the glue of extracting out in the rubber-storing cylinder 30 50 get into colloid accommodation chamber 233 through second channel 212, second ring groove 252 and lower channel 232 backfills; If use for the first time, after perhaps rubber-storing cylinder 30 has just been changed, then have bubble 40 and stay within second channel 212, second ring groove 252 and lower channel 232, colloid accommodation chamber 233, thereby bubble 40 can be drawn in the colloid accommodation chamber 233; The glue 50 that sees also first embodiment of the invention shown in Figure 4 flows into the cutaway view of filling with colloid accommodation chamber 233 states; Promote plunger 15 rise to colloid accommodation chamber 233 peaks this moment, and bubble 40 since proportion than glue 50 for gently will pastly automatically rising in colloid accommodation chamber 233 peaks.
When bubble 40 is present in colloid accommodation chamber 233, can cause and can't carry out a glue operation, need carry out the operation of exhaust bubble earlier.See also the cutaway view of the exhaust blister attitude of first embodiment of the invention shown in Figure 5; Let flexible member 26 top transfer valves 25 in primary importance drive rod 19 risings; Let this first ring groove 251 connect conducting upper channels 231 and first passages 211, and this lower channel 232 stops and be not communicated with second channel 212 by this transfer valve 25, thereby linear drives module 10 is started drive promote plungers 15 extruding that descends; Can be with the bubble 40 of top in the colloid accommodation chamber 233 by upper channel 231; Through first ring groove 251,, discharge via gum outlet 282 at last thereafter through first passage 211; Discharge the bubble 40 in upper channel 231, first ring groove 251 and the first passage 211 simultaneously; Till discharging glue 50,, can guarantee bubble 40 complete discharge point rubber moulding pieces 20 because bubble 40 proportions are discharged by upper channel 231 for gently will pastly automatically rising than glue 50.
See also the cutaway view of the dripping glue state of first embodiment of the invention shown in Figure 6, after accomplishing the operation of exhaust bubble, do not had bubble 40 and existed; Can carry out a glue operation; This transfer valve 25 still remaines in primary importance, let this first ring groove 251 connect conducting upper channel 231 and first passage 211, and this lower channel 232 is stopped that by this transfer valve 25 sealing does not connect conducting second channel 212; Thereby being started, linear drives module 10 let 15 declines of promotion plunger push; Can be with glue 50 in the colloid accommodation chamber 233 by upper channel 231, and after first ring groove 251 discharge through the some glue mouth 281 of first passage 211, gum outlet 282 and dispensing needle head 28 thereafter; Owing to there has not been the ill-effect that causes because of bubble 40 existence; Therefore, control system control linear drives module 10 drives promotion plunger 15 and makes accurate displacement, can guarantee to discharge accurate some glue amount.
In addition; The external diameter that promotes plunger 15 is less than this colloid accommodation chamber internal diameter; Have gap W between the two, make glue 50 or bubble 40 rise to upper channel via this gap W is past, this gap W is greater than additive powder in the glue; Additive powder 41 (for example fluorescent material) in the glue 50 can be in the W of this gap be flowed smoothly, avoid the powder of additive or fluorescent material infiltrate in promote plunger and colloid accommodation chamber between the two finedraw and block interruption operation or damage.
The second embodiment of the present invention such as Fig. 7 and Fig. 8; Second embodiment and first embodiment do not exist together and only do not have the lower channel 232 of first embodiment at second embodiment; But colloid accommodation chamber 233 only has a upper channel 60; All the other are all identical with first embodiment, and therefore, existing together mutually sees also the explanation of first embodiment.The upper channel 60 of second embodiment is located at glue injection cavities body 23 top tip positions, and an end of upper channel 60 is communicated with colloid accommodation chamber 233 tops, and these upper channel 60 other ends have first outlet, 61 and second outlet 62; First outlet 61 can be connected with first ring groove 251 of transfer valve 25, and second outlet 62 can be connected with second ring groove 252 of transfer valve 25.
Be same as first embodiment; The external diameter of the promotion plunger 15 of second embodiment of the invention is less than these colloid accommodation chamber 233 internal diameters; Have gap W between the two, glue 50 or the powder 41 in bubble 41 and the glue 50 thereof in the colloid accommodation chamber 233 can be flowed in the W of this gap, avoid promoting plunger 15 and be stuck in this colloid accommodation chamber 233; This gap W can be according to the powder size adjustment of additive, and W the best in gap is between 0.25mm~2mm.
The glue that sees also second embodiment of the invention shown in Figure 7 begins to flow into the cutaway view of colloid accommodation chamber state; Utilize transfer valve driver 18 that transfer valve 25 is peaked at the lower second place; Make second ring groove 252 connect second outlet 62 and second channel 212 of conducting upper channel 60; And first outlet 61 of upper channel 60 is sealed not conducting first passage 211 by transfer valve 25; Thereby being started, linear drives module 10 drives 15 risings of promotion plunger; Make to form negative pressure in the colloid accommodation chamber 233, and then the glue of extracting out in the rubber-storing cylinder 30 50 get into colloid accommodation chamber 233 through second outlet, 62 backfills of second channel 212, second ring groove 252 and upper channel 60; If use for the first time, after perhaps rubber-storing cylinder 30 has just been changed, then have bubble 40 and stay within second channel 212, second ring groove 252 and upper channel 232, colloid accommodation chamber 233, thereby bubble 40 can be drawn in the colloid accommodation chamber 233; And bubble 40 since proportion than glue 50 for gently will pastly automatically rising in colloid accommodation chamber 233 peaks.
When bubble 40 is present in colloid accommodation chamber 233, can cause and can't carry out a glue operation, need carry out the operation of exhaust bubble earlier.See also the cutaway view of the exhaust blister attitude of second embodiment of the invention shown in Figure 8; Let flexible member 26 jacking transfer valves 25 in primary importance drive rod 19 risings; Let this first ring groove 251 connect first outlet 61 and first passage 211 of conducting upper channel 60; And second outlet 62 of this lower channel upper channel 60 is stopped by this transfer valve 25 seals not conducting second channel 212, promotes plungers 15 extruding that descends thereby linear drives module 10 is started drive, can be by first outlet 61 of upper channel 231 with the bubble 40 of top in the colloid accommodation chamber 233; Through first ring groove 251; Through first passage 211, at last via gum outlet 282 discharge, discharge the bubble 40 in upper channel 231, first ring groove 251 and the first passage 211 simultaneously thereafter; Till discharging glue 50, can guarantee not have bubble 40 and be present in the rubber moulding piece 20 this moment.
After accomplishing the operation of exhaust bubble; Do not had bubble 40 and existed, can carry out a glue operation, this transfer valve 25 as shown in Figure 8 still remaines in primary importance; Thereby being started, linear drives module 10 let 15 declines of promotion plunger push; Can be with glue 50 in the colloid accommodation chamber 233 by first outlet 61 of upper channel 60, and after first ring groove 251 discharge through the some glue mouth 281 of first passage 211, gum outlet 282 and dispensing needle head 28 thereafter.
In sum, of the present invention some glue unit has a upper channel in this colloid accommodation chamber top; Can let bubble in the glue rise automatically discharges from upper channel; Reach and be easy to get rid of fully the bubble effect, and then accurate some glue amount can be provided, the product quality yield of hoist point glue operation.The promotion plunger that is had on while of the present invention some glue unit is slightly less than the internal diameter of colloid accommodation chamber; Both are with appropriate gap; Avoid promoting plunger and colloid accommodation chamber finedraw between the two and snap in additive or the powder of fluorescent material in the glue, cause and block and to move or to damage, reduce and interrupt shutting down the loss of repairing or changing; Therefore; The present invention has can be easy to get rid of fully bubble, rapid wear does not change, and promotes advantages such as product point colloid amount, so can reach the object of the invention really.
The foregoing description only is to explain for ease and give an example; When not limiting the protection domain that the present invention implements with this; The protection domain that the present invention advocated is from being as the criterion so that content of the present invention is said; But not only limit to the foregoing description, and change and modification according to the simple equivalent that the present invention did, all still belong in the covering scope of the present invention.

Claims (20)

1. the some glue unit of function is steeped in a tool exhaust, comprises:
One straight line driver module comprises a straight line drive unit and and promotes plunger, and this linear drive apparatus drives this promotion plunger straight line and moves; And
Some rubber moulding pieces; Comprise some rubber base bodies, this rubber base body comprises a glue injection cavities body and a cavity loam cake surrounds the colloid accommodation chamber, and this glue injection cavities body top tip position has a upper channel; This upper channel one end is communicated with the colloid accommodation chamber, and the other end is communicated in gum outlet;
It is characterized in that; The external diameter of this promotion plunger has the gap less than this colloid accommodation chamber internal diameter; When this promotion plunger is stretched into this colloid accommodation chamber and moved inward by the through hole of this cavity loam cake,, discharge by this upper channel extruding with bubble or the glue in this colloid accommodation chamber.
2. the some glue unit of tool exhaust bubble function as claimed in claim 1; It is characterized in that; This glue injection cavities body further comprises a lower channel and is located at glue injection cavities body lower bottom part position, and this lower channel one end is communicated in the colloid accommodation chamber, and the other end is communicated in into Jiao Kou; This promotes plunger and in this colloid accommodation chamber, makes progress when moving, and this glue can be injected in this colloid accommodation chamber by this lower channel.
3. the some glue unit of tool exhaust bubble function as claimed in claim 2 is characterized in that this rubber base body further comprises a first passage and a second channel; This first passage one end is communicated with this upper channel; The other end is communicated with gum outlet, and this second channel one end is communicated with this lower channel, the other end with go into Jiao Kou and be communicated with; Bubble in this colloid accommodation chamber or glue are communicated with this first passage by this upper channel discharges, and the glue in this colloid accommodation chamber is communicated with this second channel by this lower channel and injects.
4. the some glue unit of tool exhaust bubble function as claimed in claim 3; It is characterized in that; Also comprise a transfer valve; This transfer valve is located at the transfer valve accommodation chamber of this rubber base body, and this transfer valve has one first ring groove and second ring groove, and this transfer valve is displaced into the primary importance and the second place in the transfer valve accommodation chamber; This transfer valve this first ring groove when this primary importance is communicated with upper channel and first passage, and this second channel is stopped by this transfer valve with lower channel and is not communicated with; This transfer valve this second ring groove when this second place is communicated with lower channel and second channel, and this first passage is stopped by this transfer valve with upper channel and is not communicated with.
5. the some glue unit of tool exhaust bubble function as claimed in claim 4; It is characterized in that; Further comprise one and switch a valve actuator and a flexible member; This transfer valve driver and this flexible member peak at the two ends of this transfer valve respectively, drive this transfer valve and in this transfer valve accommodation chamber, are displaced into this primary importance and this second place.
6. the some glue unit of tool exhaust bubble function as claimed in claim 3 is characterized in that, further is provided with one in this rubber base body and seals this first passage of knob connection.
7. the some glue unit of tool exhaust as claimed in claim 3 bubble function is characterized in that, further is provided with one in this rubber base body and seals to revolve and connect this second channel.
8. the some glue unit of tool exhaust bubble function as claimed in claim 3 is characterized in that this goes into Jiao Kou further to comprise rubber-storing cylinder connection.
9. the some glue unit of tool exhaust bubble function as claimed in claim 3 is characterized in that, further comprises an adapter, and this first end of transferring is communicated with gum outlet, other end connectivity points needle head.
10. the some glue unit of tool exhaust bubble function as claimed in claim 4; It is characterized in that; In this first ring groove of this transfer valve and the top and the below of second ring groove at least one sealed groove is set further; At least one O shape ring places in the sealing groove, makes this transfer valve and this transfer valve accommodation chamber driving fit.
11. the some glue unit of tool exhaust bubble function as claimed in claim 5; It is characterized in that, further comprise a support, this support comprises a support column and a fixed platform; This linear drives module is fixed in this support column, and this rubber moulding piece and this transfer valve driver are fixed in this fixed platform.
12. the some glue unit of tool exhaust bubble function as claimed in claim 11; It is characterized in that; This linear drives module further comprises a drive screw, a slide and a slide rail, and this slide rail is located at this support column, and this slide connects this drive screw and this promotes plunger; This slide and this slide rail are established a dovetail seat and the dovetail groove line sliding that is fitted to each other respectively and are moved, and this drive screw and this promotion plunger line sliding are moved.
13. the some glue unit of tool exhaust bubble function as claimed in claim 12 is characterized in that this slide further comprises a T connected in star, this promotion plunger comprises a T shape head, and this slide is connected with this T shape head with this T connected in star with this promotion plunger.
14. the some glue unit of tool exhaust bubble function as claimed in claim 1 is characterized in that, further comprises at least one O shape ring and places between this cavity loam cake and this promotion plunger, makes this promotion plunger seal slide against this colloid accommodation chamber.
15. the some glue unit of a tool exhaust bubble function comprises:
One promotes plunger, but this promotion plunger straight line moves; And
Some rubber moulding pieces comprise some rubber base bodies, and this rubber base body comprises the colloid accommodation chamber, and tip position is provided with a upper channel above this colloid accommodation chamber, and this upper channel one end is communicated with colloid accommodation chamber, and the other end is communicated in gum outlet;
It is characterized in that; The external diameter of this promotion plunger has the gap less than this colloid accommodation chamber internal diameter; When this promotion plunger is stretched into the inside straight line of this colloid accommodation chamber and moved by the through hole of this colloid accommodation chamber,, discharge by this upper channel extruding with bubble or the glue in this colloid accommodation chamber.
16. the some glue unit of tool exhaust as claimed in claim 15 bubble function is characterized in that this rubber base body further comprises a transfer valve, convertible this upper channel of this transfer valve be communicated with this gum outlet or be communicated with this go into Jiao Kou one of them.
17. the some glue unit of tool exhaust bubble function as claimed in claim 15; It is characterized in that; This rubber base body further comprises a lower channel, and this lower channel one end is communicated with this colloid accommodation chamber, and the other end is gone into Jiao Kou with this and is communicated with; When this promotion plunger upwards moved in this colloid accommodation chamber, this glue can be injected in this colloid accommodation chamber by this lower channel.
18. the some glue unit of tool exhaust bubble function as claimed in claim 16; It is characterized in that; Further comprise a first passage and a second channel, this first passage one end is communicated with gum outlet, this second channel one end with go into Jiao Kou and be communicated with; And this transfer valve is positioned at the transfer valve accommodation chamber, and this transfer valve is removable in the primary importance and the second place in this transfer valve accommodation chamber; This transfer valve this upper channel when this primary importance is communicated with this first passage, and is stopped by this transfer valve and not to be communicated with this second channel; This transfer valve this upper channel when this second place is communicated with this second channel, and is stopped by this transfer valve and not to be communicated with first passage.
19. the some glue unit of tool exhaust bubble function as claimed in claim 15 is characterized in that, further comprises at least one O shape ring and places between this colloid accommodation chamber and this promotion plunger, makes this promotion plunger seal slide against this colloid accommodation chamber.
20. the some glue unit like claim 1 or 15 described tool exhausts bubble functions is characterized in that, this external diameter that promotes plunger less than the circle, gap of this colloid accommodation chamber internal diameter in 0.25mm~2mm.
CN2011100657005A 2011-03-16 2011-03-16 Dispensing unit capable of exhausting bubbles Pending CN102671819A (en)

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CN102836803A (en) * 2012-09-28 2012-12-26 山东爱通工业机器人科技有限公司 Dispenser
CN103263992A (en) * 2013-05-31 2013-08-28 江南大学 Automatic glue spraying device
CN107812672A (en) * 2017-12-22 2018-03-20 奥音新材料(镇江)有限公司 A kind of loudspeaker produces special Glue dripping head
CN108144806A (en) * 2018-03-07 2018-06-12 安徽省锐凌计量器制造有限公司 A kind of quantitative glue pouring machine and its quantitative glue-pouring method
CN113457921A (en) * 2021-07-08 2021-10-01 苏州特瑞特机器人有限公司 Efficient glue dispensing system
CN113522675A (en) * 2021-09-14 2021-10-22 常州铭赛机器人科技股份有限公司 Bubble detection device and detection method
CN116095968A (en) * 2023-03-07 2023-05-09 江苏泰盟科技有限公司 Mainboard paster device
CN116586248A (en) * 2023-06-01 2023-08-15 河北初光汽车部件有限公司 Wire harness gluing machine

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WO2007046495A1 (en) * 2005-10-21 2007-04-26 Musashi Engineering, Inc. Liquid material ejector
WO2007080911A1 (en) * 2006-01-12 2007-07-19 Musashi Engineering, Inc. Liquid material discharge device
JP2008086894A (en) * 2006-09-29 2008-04-17 Ulvac Japan Ltd Liquid agent dropping device and defoaming method thereof

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CN1248783C (en) * 2001-03-27 2006-04-05 武藏工程株式会社 Droplets forming method and device for discharging constant-volume droplets
WO2007046495A1 (en) * 2005-10-21 2007-04-26 Musashi Engineering, Inc. Liquid material ejector
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102836803A (en) * 2012-09-28 2012-12-26 山东爱通工业机器人科技有限公司 Dispenser
CN103263992A (en) * 2013-05-31 2013-08-28 江南大学 Automatic glue spraying device
CN107812672B (en) * 2017-12-22 2023-06-13 奥音新材料(镇江)有限公司 Special dispensing head for loudspeaker production
CN107812672A (en) * 2017-12-22 2018-03-20 奥音新材料(镇江)有限公司 A kind of loudspeaker produces special Glue dripping head
CN108144806A (en) * 2018-03-07 2018-06-12 安徽省锐凌计量器制造有限公司 A kind of quantitative glue pouring machine and its quantitative glue-pouring method
CN108144806B (en) * 2018-03-07 2020-06-12 安徽省锐凌计量器制造有限公司 Quantitative glue pouring machine and quantitative glue pouring method thereof
CN113457921A (en) * 2021-07-08 2021-10-01 苏州特瑞特机器人有限公司 Efficient glue dispensing system
CN113522675A (en) * 2021-09-14 2021-10-22 常州铭赛机器人科技股份有限公司 Bubble detection device and detection method
CN113522675B (en) * 2021-09-14 2021-12-07 常州铭赛机器人科技股份有限公司 Bubble detection device and detection method
CN116095968A (en) * 2023-03-07 2023-05-09 江苏泰盟科技有限公司 Mainboard paster device
CN116095968B (en) * 2023-03-07 2023-12-08 深圳市鸿宇顺软件有限公司 Mainboard paster device
CN116586248A (en) * 2023-06-01 2023-08-15 河北初光汽车部件有限公司 Wire harness gluing machine
CN116586248B (en) * 2023-06-01 2023-10-20 河北初光汽车部件有限公司 Wire harness gluing machine

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Application publication date: 20120919