CN207025695U - A kind of digitlization micro-spray device of Piezoelectric Driving - Google Patents
A kind of digitlization micro-spray device of Piezoelectric Driving Download PDFInfo
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- CN207025695U CN207025695U CN201720633110.0U CN201720633110U CN207025695U CN 207025695 U CN207025695 U CN 207025695U CN 201720633110 U CN201720633110 U CN 201720633110U CN 207025695 U CN207025695 U CN 207025695U
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- spray device
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Abstract
It the utility model is related to a kind of micro-spray device, the digitlization micro-spray device of more particularly to a kind of Piezoelectric Driving, fluid pipe including containing injection liquid, fluid pipe includes capillary, playpipe is provided with below capillary, playpipe bottom is provided with spray-hole, capillary is resiliently flexible, piezoelectric patches is fixed with capillary, piezoelectric patches is provided with metal coating, first electrode line is connected with piezoelectric patches, second electrode line is connected with metal coating, first electrode line and second electrode line are connected on piezoelectricity digitial controller, the utility model type of drive Piezoelectric Driving, piezoelectric has higher frequency response, small volume, it can realize that high-frequency is sprayed, and the deflection of piezoelectric can be changed by changing the size of voltage, realize the injection of different droplet sizes.
Description
Technical field
It the utility model is related to a kind of micro-spray device, the digitlization micro-spray device of more particularly to a kind of Piezoelectric Driving.
Background technology
Micro-spray device is relatively common in the technical field, belongs to relatively conventional a kind of micro- if the shower nozzle of ink-jet printer
Spray apparatus, but apply the micro-spray device in metal micro structure manufacture but very rare, metal micro structure are good due to it
The properties such as conduction, heat conduction, there is not replaceable effect in MEMS.Existing metal micro structure manufactures
Metal micro structure plating coating-shaping based on layered manufacturing principle.But microstructure size size and essence manufactured by this technique
Degree control, the uniformity of sediment microstructure and compactness extent are difficult accurately to control, and this technique high processing costs, processing
Efficiency is slower.Compared with existing micro-structural plates coating-shaping, a kind of digitlization for Piezoelectric Driving that the utility model is proposed
Micro-spray device system architecture is simple, cost is cheap, and can quickly obtain difference by the methods of FREQUENCY CONTROL, voltage control
The micro-sized metal structure of line width.
In addition generally for small semiconductor electronic component is pasted, pasted in advance in semiconductor electronic component substantially
Liquid silver paste of the position coating with stickup property, existing silver paste coating unit is usually contact coating, due to contact area
Larger so as to which silver paste can deviate from, the efficiency of coating work is very slow, and is difficult the coated weight of accurate control silver paste.Very narrow and small
Space in possibly can not realize coating.
Utility model content
In order to solve the problems, such as that existing coated weight existing for prior art is unmanageable, the utility model provides one kind can
To control the digitlization micro-spray device of the Piezoelectric Driving of coated weight.
Technical scheme is used by the utility model solves its technical problem：
A kind of digitlization micro-spray device of Piezoelectric Driving, including contain the fluid pipe of injection liquid, described fluid flow tube
Road includes capillary, is provided with playpipe below described capillary, described playpipe bottom is provided with spray-hole, described capillary
Manage and piezoelectric patches is fixed with resiliently flexible, described capillary, the width of described piezoelectric patches and the both sides side of capillary
The distance between wall is close, and described piezoelectric patches is provided with metal coating, and first electrode line, institute are connected with described piezoelectric patches
Second electrode line is connected with the metal coating stated, it is digital control that described first electrode line and second electrode line are connected to piezoelectricity
On device.
Further, described capillary is rectangular tube, and described piezoelectric patches is Rectangular piezoelectric piece, described piezoelectric patches and
Capillary, which is pasted, to be fixed.
Further, described spray-hole is slotted eye, and described playpipe is to be transitioned into slotted eye from rectangular tube
Tapering transition pipe.
Further, described micro-spray device also includes protective housing, and described protective housing is provided with into cemented joint, institute
The inside for the protective housing stated is provided with the glue adapter connected with entering cemented joint, described glue adapter and described capillary
Pipe is connected, and capillary tube holder is fixed with described protective housing, and described capillary tube holder, which is provided with, to be used to accommodate and fix
The groove of capillary position.
Further, described protective housing is provided with electrode wire terminal, described first electrode line and second electrode line
By electrode wire terminal with there is piezoelectricity digitial controller to be connected.
Further, it is provided with needle tip protection sleeve outside described playpipe.
Beneficial effect：
(1) the utility model type of drive Piezoelectric Driving, piezoelectric have a higher frequency response, small volume, can be with
Realize that high-frequency is sprayed, and the deflection of piezoelectric can be changed by changing the size of voltage, realize different droplets
The injection of size；
(2) the utility model is simple in construction, and raw material, processing charges are relatively low, and easy to assembly.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram for spraying equipment of Piezoelectric Driving of the present utility model；
Fig. 2 is the cross sectional view for spraying equipment of Piezoelectric Driving of the present utility model；
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
Wherein, 1, needle tip protection sleeve, 2, capillary, 3, screw, 4, piezoelectric patches, 5, capillary tube holder, 6, protective housing,
7th, glue adapter, 8, enter cemented joint, 9, electrode wire terminal, 10a, first electrode line, 10b, second electrode line, 11, injection
Pipe, 12, spray-hole.
Embodiment
Such as Fig. 1-3, a kind of digitlization micro-spray device of Piezoelectric Driving, include the fluid pipe that splendid attire sprays liquid, liquid stream
Pipeline includes capillary 2, and the lower section of capillary 2 is provided with playpipe 11, and the bottom of playpipe 11 is provided with spray-hole 12, and capillary 2 can be with
Elastic deformation, piezoelectric patches 4 is fixed with capillary 2, piezoelectric patches 4 is provided with metal coating, first electrode is connected with piezoelectric patches 4
Line 10a, second electrode line 10b, first electrode line 10a are connected with metal coating and second electrode line 10b is connected to piezoelectricity number
On word controller.
Capillary 2 is rectangular tube, and piezoelectric patches 4 is Rectangular piezoelectric piece, and piezoelectric patches 4 and capillary 2, which are pasted, to be fixed.Piezoelectric patches 4
Width and capillary 2 the distance between both sides side wall it is close, can be easy to paste, while the deformation of piezoelectric patches 4 can pass
Pass capillary 2.
Spray-hole 12 is slotted eye, and playpipe 11 is the tapering transition pipe that slotted eye is transitioned into from rectangular tube.
Micro-spray device also includes protective housing 6, and protective housing 6 is provided with into cemented joint 8, the inside of protective housing 6 and is provided with
The glue adapter 7 connected with entering cemented joint 8, glue adapter 7 and capillary 2 are connected, and capillary is fixed with protective housing 6
Support 5, in the present embodiment, capillary tube holder 5 is fixed in protective housing 6 by screw 3, and capillary tube holder 5, which is provided with, to be used for
Accommodate and the groove of the position of fixed capillary 2, in the present embodiment, a side of capillary 2 and groove are pasted and fixed.
Protective housing 6 is provided with electrode wire terminal 9, and first electrode line 10a and second electrode line 10b pass through electrode wire terminal
9 with there is piezoelectricity digitial controller to be connected.
The outside of playpipe 11 is provided with needle tip protection sleeve 1.
Operation principle：By adjusting the pressure parameter of liquid-supplying system, it is allowed to keep stablizing what lasting offer needs sprayed
Liquid.By first electrode line 10a and second electrode line 10b, voltage can is applied to the metal coating on the surface of piezoelectric patches 4
On, and piezoelectric itself is non-conductive, the periodically pulsing voltage exported by piezoelectricity digitial controller is applied to piezoelectric patches 4
Metal coating on, because the inverse piezoelectric effect of piezoelectric can cause piezoelectric patches 4 to produce mechanically deform, piezoelectric patches 4 is by machinery
Deformation sends capillary 2 to, and by after mechanically deform, runner volume diminishes capillary 2, causes fluid pressure moment to be increased, gram
The surface tension at spray-hole 12 is taken to eject to form droplet, can be with by the frequency and voltage that adjust piezoelectricity digitial controller
Change the size of droplet.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality
With new.By the obvious changes or variations that spirit of the present utility model is extended out still in protection of the present utility model
Among scope.
Claims (6)
- A kind of 1. digitlization micro-spray device of Piezoelectric Driving, it is characterised in that:Fluid pipe including containing injection liquid, it is described Fluid pipe include capillary (2), be provided with playpipe (11), described playpipe (11) bottom below described capillary (2) End is provided with spray-hole (12), and described capillary (2) is resiliently flexible, and piezoelectric patches is fixed with described capillary (2) (4), described piezoelectric patches (4) is provided with metal coating, and first electrode line (10a) is connected with described piezoelectric patches (4), described Metal coating on be connected with second electrode line (10b), described first electrode line (10a) and second electrode line (10b) connection On piezoelectricity digitial controller.
- A kind of 2. digitlization micro-spray device of Piezoelectric Driving according to claim 1, it is characterised in that：Described capillary (2) it is rectangular tube, described piezoelectric patches (4) is Rectangular piezoelectric piece, and described piezoelectric patches (4) and capillary (2), which are pasted, to be fixed.
- A kind of 3. digitlization micro-spray device of Piezoelectric Driving according to claim 1, it is characterised in that：Described spray-hole (12) it is slotted eye, described playpipe (11) is the tapering transition pipe that slotted eye is transitioned into from rectangular tube.
- A kind of 4. digitlization micro-spray device of Piezoelectric Driving according to claim 1, it is characterised in that：Described micro- spray dress Putting also includes protective housing (6), and described protective housing (6) is provided with into cemented joint (8), described protective housing (6) it is interior Portion is provided with the glue adapter (7) connected with entering cemented joint (8), and described glue adapter (7) and described capillary (2) are even Connect, capillary tube holder (5) is fixed with described protective housing (6), described capillary tube holder (5), which is provided with, to be used to accommodate simultaneously The groove of fixed capillary (2) position.
- A kind of 5. digitlization micro-spray device of Piezoelectric Driving according to claim 4, it is characterised in that：Described containment vessel Body (6) is provided with electrode wire terminal (9), and described first electrode line (10a) and second electrode line (10b) pass through electrode wire terminal (9) with there is piezoelectricity digitial controller to be connected.
- A kind of 6. digitlization micro-spray device of Piezoelectric Driving according to claim 1, it is characterised in that：Described playpipe (11) it is outside to be provided with needle tip protection sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633110.0U CN207025695U (en) | 2017-06-02 | 2017-06-02 | A kind of digitlization micro-spray device of Piezoelectric Driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633110.0U CN207025695U (en) | 2017-06-02 | 2017-06-02 | A kind of digitlization micro-spray device of Piezoelectric Driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207025695U true CN207025695U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720633110.0U Active CN207025695U (en) | 2017-06-02 | 2017-06-02 | A kind of digitlization micro-spray device of Piezoelectric Driving |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159907A (en) * | 2019-04-10 | 2019-08-23 | 西安交通大学 | A kind of micro accurate lubricating nozzle and lubricating method towards rolling bearing |
| CN114570543A (en) * | 2022-02-26 | 2022-06-03 | 宁波大学 | Electric field assistance-based functional coating preparation device |
| WO2022218084A1 (en) * | 2021-04-14 | 2022-10-20 | 江苏时代新能源科技有限公司 | Coating unit, coating device, coating system, and coating method |
-
2017
- 2017-06-02 CN CN201720633110.0U patent/CN207025695U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159907A (en) * | 2019-04-10 | 2019-08-23 | 西安交通大学 | A kind of micro accurate lubricating nozzle and lubricating method towards rolling bearing |
| WO2022218084A1 (en) * | 2021-04-14 | 2022-10-20 | 江苏时代新能源科技有限公司 | Coating unit, coating device, coating system, and coating method |
| CN114570543A (en) * | 2022-02-26 | 2022-06-03 | 宁波大学 | Electric field assistance-based functional coating preparation device |
| CN114570543B (en) * | 2022-02-26 | 2022-11-15 | 宁波大学 | Electric field assistance-based functional coating preparation device |
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Address after: 215021 Suzhou Industrial Park, Suzhou, Jiangsu Province, water Road No. 388 Patentee after: Suzhou GaoKai Precision Technology Co., Ltd Address before: 215021 Suzhou Industrial Park, Suzhou, Jiangsu Province, water Road No. 388 Patentee before: SUZHOU ZHONGCHU KEGONG PRECISION TECHNOLOGY Co.,Ltd. |
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