CN201949996U - Ultramicro point gum device - Google Patents
Ultramicro point gum device Download PDFInfo
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- CN201949996U CN201949996U CN2011200918000U CN201120091800U CN201949996U CN 201949996 U CN201949996 U CN 201949996U CN 2011200918000 U CN2011200918000 U CN 2011200918000U CN 201120091800 U CN201120091800 U CN 201120091800U CN 201949996 U CN201949996 U CN 201949996U
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- liquid
- glue
- transfering needle
- gum
- glass microtubule
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Abstract
The utility model provides an ultramicro point gum device which comprises a glass microtube, gum liquid and a liquid-removing needle which is arranged in the glass microtube and can move to pass through the gum liquid, wherein the gum liquid is filled in the glass microtube. In the ultramicro point gum device, when the liquid-removing needle is adopted to pass through the gum liquid in the glass microtube, ultramicro point gum is realized ultramicro liquid gum droplet adsorbed at the tip of the liquid-removing needle. The ultramicro point gum device is simple and practicable, therefore, touch ultramicro point gum can be realized, non-touch ultramicro point gum can also be realized, and the application viscosity range is wide; with the adjustment of the diameter size of the tip of the liquid-removing needle, the size of a gum spot can be easily changed, and control of point gum amount is realized; with the controlling of a micro distance between the tip of the liquid-removing needle and the point gum surface, fine adjustment of the size of the gum spot can be realized; and with the changing of a rotational angle of a transmission pair, the point gum is limited in a vertical direction, and micro point gum can be also realized in an arbitrary spatial direction.
Description
Technical field
The utility model relates to the dispensing technology field, relates in particular to a kind of ultramicron point glue equipment that is used for little assembling.
Background technology
Being of wide application of dispensing technology is coated with and seal point glue to welding, the notes of general industry from semiconductor packages industry, IC industry, SMT/PCB assembly industry, and dispensing technology all plays crucial effects.Whether the dispensing technology that development is at present come out contacts with substrate by syringe needle can be divided into contact point glue and contactless glue, and contact point glue comprises time-pressure type, helicoidal pump formula, piston type and pin type transfer technique.Spray site glue is the noncontact dispensing technology that grew up in recent years.Traditional contact dispensing method is existing deficiency aspect the control of glue amount, is difficult to the point sample of accomplishing that uniformity is higher, as time-pressure type and pin type transfer-type; Though helicoidal pump formula and piston type point glue can access uniformity point sample preferably, accurately adjust more loaded down with trivial detailsly, cost an arm and a leg and clean complexity.The needle tubing that traditional contact dispensing method is adopted can not be changed, and can only come the size of point sample is controlled by regulating the glue or the parameter of point gum machine itself, has so just limited the diameter range of point sample to a certain extent.Though it is fast that spray regime point glue has point sample speed, the advantage of point sample high conformity must have temperature regulating device, needs control colloid viscosity change, and is difficult to the situation that is applicable to that the glue viscosity is big.The micro-contactless point gum machine of Germany's exploitation at present is in rank first, can realize that the minimum diameter of point sample reaches 100um to 350um, but when the viscosity of glue becomes big, uncontrollable trace point glue.The micro-dispensing method domestic and foreign literature that reaches several fl about contactless minimum injection volume is all not on the books.Along with the size of little build-up member is more and more littler, require more the dispensing technology of low capacity to satisfy the demand.The method that the utility model proposes both can realize contact ultramicron point glue, also can realize contactless ultramicron point glue; By changing the size of liquid-transfering needle tip, the fine droplet and the relative contact amount of putting the glue face of the absorption of control liquid-transfering needle, the size of control gum spot has solved and can not realize minimum injection volume fl point glue problem in present little the glue easily, and minimum gum spot diameter can reach several um; According to the glue viscosity, mate different glass microtubules, the size of liquid-transfering needle, control is adsorbed in the amount of contact of little drop with the some glue face of liquid-transfering needle tip, can realize the ultramicron point glue of various viscosity glues, has solved the little shortcoming of the prior art glue viscosity scope of application; Liquid-transfering needle, the glass microtubule can be changed simply, solves existing dispensing method and safeguards loaded down with trivial details problem; This method can be used for the some glue of space all directions, has solved the little shortcoming of existing method service orientation scope.
The utility model content
The utility model purpose is to overcome the prior art above shortcomings, and the ultramicron point glue equipment is provided, and concrete technical scheme is as follows.
The ultramicron point glue equipment comprises glass microtubule, glue and is arranged in the liquid-transfering needle that the glass microtubule also can move through glue, and described glue is housed in the glass microtubule.
In the above-mentioned ultramicron point glue equipment, the tip of described glass microtubule is a truncated cone-shaped; Glass microtubule lower end is thin, and the upper end is thick, and the ratio of the internal diameter of top and bottom is 3:2, and the length of glass microtubule is 1cm-2cm; The tip internal diameter of glass microtubule is 100 μ m-200 μ m.
In the above-mentioned ultramicron point glue equipment, the longitudinal center line of described liquid-transfering needle overlaps with the longitudinal center line of glass microtubule, and the ratio of the diameter of liquid-transfering needle and the internal diameter of glass microtubule lower end is 1:2～1:10; The diameter of liquid-transfering needle is about 5 μ m-100 μ m, and is selected according to the dimensional requirement of gum spot.
In the above-mentioned ultramicron point glue equipment, the end that described liquid-transfering needle passes glue is a tip, and first end surfaces is parallel with some glue face.
In the above-mentioned ultramicron point glue equipment, also comprise the grip block that is used for clamping glass microtubule, be used to adjust the coarse adjustment running fix unit of distance between glass microtubule tip and the some glue face, be used to regulate liquid-transfering needle with respect to accurate little mobile unit of fine motion about the grip block and the camera that is used to detect liquid-transfering needle and puts the slight distance between the glue face, the glass microtubule is fixed on the coarse adjustment running fix unit by grip block, coarse adjustment running fix unit is slidingly mounted on the vertical fixed bar, liquid-transfering needle is fixed on accurate little mobile unit, and accurate mobile unit is fixed on the grip block.Accurate mobile unit drives liquid-transfering needle with respect to fixture block fine motion up and down, realizes continuous some glue motion.
The ultramicron dispensing method of said apparatus, it passes the glass microtubule that glue is housed by the control liquid-transfering needle, liquid-transfering needle tip absorption fine droplet, when the close point of liquid-transfering needle tip glue face, the fine droplet of liquid-transfering needle tip contacts with some glue face, and fine droplet is coated on the glue face, after liquid-transfering needle leaves a glue face, the part of fine droplet remains on the glue face, realizes ultramicron point glue.
In the above-mentioned ultramicron dispensing method,, realize control to the gum spot size by changing the diameter of liquid-transfering needle.
In the above-mentioned ultramicron dispensing method,, realize the ultramicron adjustment of gum spot size by the fine droplet of change liquid-transfering needle tip absorption and the small exposure level distance between the some glue face.
In the above-mentioned ultramicron dispensing method, liquid-transfering needle and glass microtubule move axially respectively by independently accurate mobile unit and coarse adjustment running fix unit controls.
In the above-mentioned ultramicron dispensing method, the reciprocating frequency of described liquid-transfering needle is about 1Hz.
In the method for above-mentioned a kind of ultramicron point glue, liquid-transfering needle elder generation end surfaces is parallel with some glue face.By changing the internal diameter of glass microtubule, can adapt to the glue of different viscositys.
Compared with prior art, the utlity model has significant advantage:
(1) both can realize contact ultramicron point glue, also can realize contactless ultramicron point glue.
(2) can realize ultramicron point glue, minimum injection volume can reach 10fl, and minimum gum spot can reach several um.
(3) control the size of gum spot easily.
(4) suitable glue viscosity scope is big.
(5) go for the some glue of space all directions.
(6) liquid-transfering needle, glass microtubule can be changed simply, and be easy to maintenance.
Description of drawings
Fig. 1 is the schematic diagram of a kind of ultramicron point glue equipment in the embodiment.
Dispensing method schematic flow sheet when Fig. 2 is used for level point glue face for method shown in Figure 1.
Dispensing method schematic flow sheet when Fig. 3 is used for shear points glue face for method shown in Figure 1.
Fig. 4 is the overall structure schematic diagram of a colloid system.
The specific embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present utility model is described further, but enforcement of the present utility model and protection domain are not limited thereto.
Figure 1 shows that a kind of ultramicron point glue equipment, comprise liquid-transfering needle 1, glass microtubule 2, glue 3; In a glue process, liquid-transfering needle 1 is installed in the glass microtubule 2, contains glue 3 in the glass microtubule 2, and liquid-transfering needle 1 can pass glue and move up and down.The tip of described glass microtubule 2 is a truncated cone-shaped, and wherein the lower end is thin, and the upper end is thick, and the ratio of thickness internal diameter is about 3:2, and the length of glass microtubule is about 1cm～2cm.The diameter of described liquid-transfering needle 1 is about 1:2～1:10 with glass microtubule 2 towards the ratio of the internal diameter of an end of a glue face 4.The longitudinal center line of described liquid-transfering needle 1 overlaps with the longitudinal center line of glass microtubule 2 all the time.
When dispensing method adopts liquid-transfering needle to pass glue in the glass microtubule, the fine droplet of liquid-transfering needle tip absorption, when the close point of liquid-transfering needle glue face, the fine droplet of liquid-transfering needle tip contacts with some glue face, and liquid-transfering needle 1 first end surfaces is parallel with some glue face 4, because the interfacial tension between some glue face and the liquid, fine droplet is coated on the glue face, after liquid-transfering needle left a glue face, the part of fine droplet remained on the glue face, realized ultramicron point glue.In the dispensing method, the frequency that described liquid-transfering needle 1 moves back and forth is about 1HZ, by changing the diameter of liquid-transfering needle 1, realizes the control of the size of gum spot; By adjusting liquid-transfering needle 1 tip and the relative slight distance of putting between the glue face 4, can realize the ultramicron adjustment of gum spot size.
Fig. 4 is the overall structure schematic diagram of a colloid system, the glass microtubule is fixed on the coarse adjustment running fix unit 6 by grip block, coarse adjustment running fix unit is installed on the vertical fixed bar (metallic rod 9), thereby coarse adjustment running fix unit 6 metallic rod 9 relatively moves and drives whole ultramicron point glue equipment and move up and down, and is used for adjusting glass microtubule tip and puts distance between the glue face.Liquid-transfering needle is fixed in accurate little mobile unit (can select the electrodynamic type precise jiggle platform series of the central smart machine of Japan for use, such as ALZ-301-HM etc.) on 5, accurate mobile unit 5 is fixed on the grip block 7, accurate mobile unit 5 drives liquid-transfering needle with respect to fixture block fine motion about in the of 7, realizes continuous some glue motion.
Figure 2 shows that the schematic flow sheet when ultramicron dispensing method shown in Figure 1 is used for level point glue face; Utilize the utility model to carry out ultramicron point glue and mainly be divided into following steps:
(1) utilizes capillarity, filling glue in glass microtubule 2.
Shown in a among Fig. 2, adjust point glue equipment, make the longitudinal center line of its glass microtubule 2 vertical with some glue face 4.
(2), make the glass microtubule tip and the distance on some glue surface be about the 2mm place, and guarantee that the distance of glass microtubule tip and coated face is constant, shown in b among Fig. 2 by adjusting the position of coarse adjustment running fix unit 6 on metallic rod 9 shown in Figure 4.
(3) according to the dimensional requirement of gum spot, axially move down near some glue face by accurate mobile unit shown in Figure 45 control liquid-transfering needles, adjust the slight distance between liquid-transfering needle tip and the some glue face, by the slight distance between a high power camera of glue face side 10 detection liquid-transfering needle tips and some glue face shown in Figure 4, thereby control is adsorbed on the amount of contact of fine droplet with the some glue face of liquid-transfering needle tip, satisfies the requirement of gum spot and some glue amount.Shown in c among Fig. 2,
(4) shown in d among Fig. 2, the control liquid-transfering needle moves axially point of distance glue face, and the part of the fine droplet of liquid-transfering needle tip remains on the glue face, realizes ultramicron point glue.
(5) the some glue of a plurality of impact point glue position in the glue face 4 can be finished in repeating step (2) ~ (4).
Figure 3 shows that the schematic flow sheet when ultramicron dispensing method shown in Figure 1 is used for shear points glue face; By adjusting the angle of revolute pair shown in Figure 48, make point glue equipment tilt, make liquid-transfering needle perpendicular to a glue plane.Employing is similar to the described step of Fig. 2 (1) ~ (5), is implemented in the some glue on the shear points glue face.Because the capillarity of glue and glass microtubule, glue will rest on the exit of glass microtubule, and be not to flow out from the glass microtubule.
When the utility model adopted liquid-transfering needle to pass glue in the glass microtubule, the fine droplet of liquid-transfering needle tip absorption was realized ultramicron point glue, and minimum injection volume can reach 10fl.The method that the utility model proposes is simple, promptly can realize contact ultramicron point glue, also can realize contactless ultramicron point glue, and the range of viscosities that is suitable for is wide; Easily change the size of gum spot by the diameter dimension of adjusting the liquid-transfering needle tip, realize the control of some glue amount; By the slight distance of control liquid-transfering needle tip, can realize the inching of gum spot with some glue face; By changing the rotational angle of revolute pair, can solve existing dispensing method effectively and be difficult to realize ultramicron point glue shortcoming such as difficult in maintenance so that the some plastic pin can both be realized the some glue of trace in whole two dimensional surface.
Claims (5)
1. the ultramicron point glue equipment is characterized in that comprising glass microtubule, glue and is arranged in the liquid-transfering needle that the glass microtubule also can move through glue, and described glue is housed in the glass microtubule.
2. ultramicron point glue equipment according to claim 1, the tip that it is characterized in that described glass microtubule is a truncated cone-shaped; Glass microtubule lower end is thin, and the upper end is thick, and the ratio of the internal diameter of top and bottom is 3:2, and the length of glass microtubule is 1cm-2cm; The tip internal diameter of glass microtubule is 100 μ m-200 μ m.
3. ultramicron point glue equipment according to claim 2 is characterized in that the longitudinal center line of described liquid-transfering needle overlaps with the longitudinal center line of glass microtubule, and the ratio of the diameter of liquid-transfering needle and the internal diameter of glass microtubule lower end is 1:2～1:10; The diameter of liquid-transfering needle is about 5 μ m-100 μ m.
4. ultramicron point glue equipment according to claim 1 is characterized in that the end that described liquid-transfering needle passes glue is a tip, and first end surfaces is parallel with some glue face.
5. according to each described ultramicron point glue equipment of claim 1 ~ 5, it is characterized in that also comprising the grip block that is used for clamping glass microtubule, be used to adjust the coarse adjustment running fix unit of distance between glass microtubule tip and the some glue face, be used to regulate liquid-transfering needle with respect to accurate little mobile unit of fine motion about the grip block and the camera that is used to detect liquid-transfering needle and puts the slight distance between the glue face, the glass microtubule is fixed on the coarse adjustment running fix unit by grip block, coarse adjustment running fix unit is slidingly mounted on the vertical fixed bar, liquid-transfering needle is fixed on accurate little mobile unit, and accurate mobile unit is fixed on the grip block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200918000U CN201949996U (en) | 2011-03-31 | 2011-03-31 | Ultramicro point gum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200918000U CN201949996U (en) | 2011-03-31 | 2011-03-31 | Ultramicro point gum device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201949996U true CN201949996U (en) | 2011-08-31 |
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ID=44494123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200918000U Expired - Fee Related CN201949996U (en) | 2011-03-31 | 2011-03-31 | Ultramicro point gum device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201949996U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101097A (en) * | 2011-03-31 | 2011-06-22 | 华南理工大学 | Ultra-micro glue dispensing device and method |
| CN102921597A (en) * | 2012-11-14 | 2013-02-13 | 中国科学院自动化研究所 | Leather-upgrading dispensing device and dispensing method |
| WO2018036033A1 (en) * | 2016-08-20 | 2018-03-01 | 华南理工大学 | Pl-grade ultra-micro liquid supplementing device and method |
-
2011
- 2011-03-31 CN CN2011200918000U patent/CN201949996U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101097A (en) * | 2011-03-31 | 2011-06-22 | 华南理工大学 | Ultra-micro glue dispensing device and method |
| CN102101097B (en) * | 2011-03-31 | 2015-04-22 | 华南理工大学 | Ultra-micro glue dispensing device and method |
| CN102921597A (en) * | 2012-11-14 | 2013-02-13 | 中国科学院自动化研究所 | Leather-upgrading dispensing device and dispensing method |
| WO2018036033A1 (en) * | 2016-08-20 | 2018-03-01 | 华南理工大学 | Pl-grade ultra-micro liquid supplementing device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |