CN206937989U - Piezoelectricity striker printing head system - Google Patents
Piezoelectricity striker printing head system Download PDFInfo
- Publication number
- CN206937989U CN206937989U CN201720674133.6U CN201720674133U CN206937989U CN 206937989 U CN206937989 U CN 206937989U CN 201720674133 U CN201720674133 U CN 201720674133U CN 206937989 U CN206937989 U CN 206937989U
- Authority
- CN
- China
- Prior art keywords
- striker
- horizon bar
- injection
- piezoelectricity
- valve seat
- 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.)
- Expired - Fee Related
Links
- 238000007639 printing Methods 0.000 title claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 57
- 239000007924 injection Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses a kind of piezoelectricity striker printing head system, including injection valve seat and drive mechanism, drive mechanism includes valve body, horizon bar, piezoelectric actuator, striker, pretension bolt and spring, horizon bar one end is hinged with striker, the other end by sliding bearing by being connected in valve body, horizon bar both ends can free-running, piezoelectric actuator is arranged on below the horizon bar opposite side relative with striker, spring and pretension bolt are connected with above horizon bar, passes through the deformation distance of pretension bolt adjustable horizontal bar；Feed liquid pipeline and injection pipe are provided with injection valve seat, striker is provided with injection pipe, when striker moves up and down, the connector of feed liquid pipeline and injection pipe can be opened and closed, and then realize hydrojet；The utility model has the features such as simple in construction, reliability is high, injection aperture is optional, and flow is controllable, printed material viscosity is big, improves the precision of printing, meets printing demand, it is not necessary to additionally adds other devices.
Description
Technical field
A kind of piezoelectricity striker printing head system is the utility model is related to, belongs to fluid dispensing technology field.
Background technology
Fluid dispensing technology is a key technology in microelectronics Packaging, and fluid dispensing technology mainly has two kinds, contact
Formula dispensing and contactless dispensing.Contact dispensing technology includes the dispensing of metering tubular type, piston type dispensing and time/pressure-type point
Glue mode；And contactless dispensing can be divided into pneumatic type dispensing and driving type piezoelectric actuator dispensing.Pneumatically dispensing main power source is
Compressed air, piezo jet dispensing mainly use lever amplification principle, piezoelectric ceramics miniature deformation are amplified, and drive nozzle needle motion
Extrude fluid.
The defects of existing piezo jet dispensing product is present be：Costly or nozzle diameter is excessively thick, can not meet to disappear
The requirement for taking the demand of level user and becoming more meticulous.And internal structure is complicated, maintenance difficult after damage.
Utility model content
The technical problems to be solved in the utility model is：A kind of piezoelectricity striker printing head system is provided, can be realized big
Viscosity, fine pore, the control of exact flow rate, with solve at present because viscosity is big, jet diameters greatly caused by flow can not precisely control
The problem of processed.
The technical solution of the utility model is：A kind of piezoelectricity striker printing head system, including injection valve seat and driving machine
Structure, drive mechanism are used to drive injection valve seat injection stream body, and the drive mechanism includes valve body, horizon bar, piezoelectric ceramic actuator
Device, striker, pretension bolt and spring, wherein valve body are connected to above injection valve seat, and horizon bar one end is hinged with striker, the other end
By being connected to by sliding bearing in valve body, horizon bar both ends can free-running, piezoelectric actuator is arranged on and striker
, can be by horizon bar by piezoelectric actuator when piezoelectric actuator vibrates below relative horizon bar opposite side
Miniature deformation amplify, make striker be amplified after deformation, be connected with spring and pretension bolt, pretension in turn above horizon bar
Bolt is arranged on valve body, passes through the deformation distance of pretension bolt adjustable horizontal bar；It is provided with the injection valve seat mutual
The feed liquid pipeline and injection pipe of connection, spray orifice is provided with injection pipe bottom, striker is provided with injection pipe, works as striker
When moving up and down, the connector of feed liquid pipeline and injection pipe can be opened and closed, and then realize hydrojet.
Temperature element and heating element heater are provided with the injection valve seat, temperature element is connected by temperature controller and heating element heater
Connect, the fluid that can be heated to needs preheats, while temperature element can detect the temperature of fluid very well, feed back to simultaneously
The temperature of temperature controller regulation heating, ensures that injection is smoothed out.
The supply opening of the feed liquid pipeline is arranged on the upper surface of injection valve seat, is easy to connect various flexible pipes or cavity.
The nozzle connected with spray orifice is threaded with the injection pipe bottom, is easy to change difference as needed directly
The nozzle in footpath, while the structure of this protrusion will prevent the generation of liquid extension stream and satellite droplet very well.
Connected between the valve body and injection valve seat using regulating bolt and adjusting nut, so spraying valve seat can pass through
Adjusting nut changes the distance with body base, so as to ensure striker position just in the top and the bottom of fluid intake.
Hole between the striker and valve body is equipped with ball, to reduce frictional force.
The beneficial effects of the utility model：The piezoelectricity striker printing head system jet velocity of the utility model development is fast,
Fineness is high, and stability is good, has expanded its use in terms of 3D printing, particularly make some substrates or plain conductor,
MEMS etc..In addition, the utility model striker system can spray the fluid of more low discharge, pre-load nut can adjust the power of spring
Degree, change stress and the reaction time of horizon bar, while the present apparatus is detachable, is convenient for changing element, and valve body and injection valve seat
It can separate, be easy to clean.
The utility model has that simple in construction, reliability is high, injection aperture is optional, and flow is controllable, printed material viscosity is big
The features such as, the precision of printing is improved, meets printing demand, it is not necessary to additionally adds other devices.
Brief description of the drawings
Fig. 1 is that the structural diagrams of the utility model piezoelectricity striker printing head system are intended to；
Fig. 2 is Fig. 1 front view；
Fig. 3 is Fig. 1 top view；
Fig. 4 is injection valve seat front view of the present utility model；
Fig. 5 is piezoelectric actuator drive signal of the present utility model；
Fig. 6 is the utility model striker jet motion figure；
In figure：1- injection valve seats, 2- valve bodies, 3- horizon bars, 4- sliding bearings, 5- strikers, 6- springs, 7- pretension bolts,
8- piezoelectric actuators, 9- adjusting nuts, 10- supply openings, 11- temperature elements, 12- heating element heaters, 13- nozzles, 14- regulations
Bolt, 15- feed liquid pipelines, 16- injection pipes, 17- spray orifices, 18, injection cavity.
Embodiment
Below in conjunction with the accompanying drawings and utility model is described further specific embodiment：
Referring to figs. 1 to Fig. 6, a kind of piezoelectricity striker printing head system of the utility model, including injection valve seat 1 and driving machine
Structure, drive mechanism are used to drive injection valve seat 1 to spray fluid.
Drive mechanism includes valve body 2, horizon bar 3, piezoelectric actuator 8, striker 5, pretension bolt 7 and spring 6, wherein
Valve body 2 is connected to the top of injection valve seat 1, and the one end of horizon bar 3 is be hinged with striker 5, and the other end by sliding bearing 4 by being connected to
In valve body 2, the both ends of horizon bar 3 can free-running, piezoelectric actuator 8 is arranged on horizon bar 3 opposite side relative with striker 5
Lower section, when piezoelectric actuator 8 vibrates, the miniature deformation of piezoelectric actuator 8 can be amplified by horizon bar 3, made
Striker 5 be amplified after deformation, be connected with spring 6 and pretension bolt 7 in turn above horizon bar 3, pretension bolt 7 is arranged on
On valve body 2, pass through the deformation distance of the adjustable horizontal bar 3 of pretension bolt 7.
Interconnected feed liquid pipeline 15 and injection pipe 16 are provided with injection valve seat 1, in the bottom of injection pipe 16
Provided with spray orifice 17, the nozzle 13 connected with spray orifice 17 is threaded with the bottom of injection pipe 16, is easy to as needed
Change the nozzle 13 of different-diameter.
Striker 5 is arranged in the injection cavity 18 in injection pipe 16, and is fitted in completely on the injection wall of cavity 18,
And can move up and down along it, when striker 5 moves up and down, the connector of feed liquid pipeline 15 and injection pipe 16 can be opened and sealed
Close, and then realize hydrojet.Simultaneously when striker 5, which moves up, opens connector, instantaneous vacuum can be produced in injection cavity 18,
The fluid being easy in feed liquid pipeline 15 is rapidly introduced into injection cavity 18.
Temperature element 11 and heating element heater 12 are installed on injection valve seat 1, temperature element 11 passes through temperature controller and heating
Element 12 connects, and the fluid that can be heated to needs preheats, while temperature element 11 can detect the temperature of fluid very well,
The temperature of temperature controller regulation heating is fed back to simultaneously, ensures that injection is smoothed out.Wherein, temperature element 11, the and of heating element heater 12
Temperature controller is conventional commercially available prod.
The supply opening 10 of feed liquid pipeline 15 is arranged on the upper surface of injection valve seat 1, is easy to connect various flexible pipes or cavity.
Connected between the valve body 2 and injection valve seat 1 using regulating bolt 14 and adjusting nut 9, so spraying valve seat 1 can
To change the distance with the bottom of valve body 2 by adjusting nut 9, so as to ensure the position of striker 5 just in the top and the bottom of fluid intake.
Hole between striker 5 and valve body 2 is equipped with ball, to reduce frictional force.
Operation principle of the present utility model is：When piezoelectric actuator 8 vibrates, piezoelectricity can be made pottery by horizon bar 3
The miniature deformation amplification of porcelain actuator 8, make striker 5 be amplified after deformation, and moved up and down along injection pipe 16, make feed flow
The connector of pipeline 15 and injection pipe 16 is opened and closing, and then realizes that hydrojet works.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (6)
1. a kind of piezoelectricity striker printing head system, including injection valve seat (1) and drive mechanism, drive mechanism is used to drive injection
Valve seat (1) sprays fluid, it is characterised in that：The drive mechanism includes valve body (2), horizon bar (3), piezoelectric actuator
(8), striker (5), pretension bolt (7) and spring (6), wherein valve body (2) are connected to above injection valve seat (1), horizon bar (3) one
End is be hinged with striker (5), and for the other end by being connected to by sliding bearing (4) in valve body (2), horizon bar (3) both ends can be free
Operating, piezoelectric actuator (8) are arranged on below horizon bar (3) opposite side relative with striker (5), work as piezoelectric ceramic actuator
When device (8) vibrates, the miniature deformation of piezoelectric actuator (8) can be amplified by horizon bar (3), put striker (5)
Deformation after big, it is connected with spring (6) and pretension bolt (7) in turn above horizon bar (3), pretension bolt (7) is arranged on valve
On body (2), pass through the deformation distance of pretension bolt (7) adjustable horizontal bar (3)；It is provided with the injection valve seat (1) mutual
The feed liquid pipeline (15) and injection pipe (16) of connection, spray orifice (17) is provided with injection pipe (16) bottom, in injection pipe
(16) striker (5) is provided with, can be by feed liquid pipeline (15) and the connector of injection pipe (16) when striker (5) moves up and down
Open and close, and then realize hydrojet.
2. piezoelectricity striker printing head system according to claim 1, it is characterised in that：On the injection valve seat (1)
Provided with temperature element (11) and heating element heater (12), temperature element (11) is connected by temperature controller with heating element heater (12).
3. piezoelectricity striker printing head system according to claim 1, it is characterised in that：The confession of the feed liquid pipeline (15)
Liquid mouth (10) is arranged on the upper surface of injection valve seat (1).
4. piezoelectricity striker printing head system according to claim 1, it is characterised in that：At the injection pipe (16) bottom
End thread is connected with the nozzle (13) connected with spray orifice (17).
5. piezoelectricity striker printing head system according to claim 1, it is characterised in that：The valve body (2) and injection valve
Connected between seat (1) using regulating bolt (14) and adjusting nut (9).
6. piezoelectricity striker printing head system according to claim 1, it is characterised in that：The striker (5) and valve body (2)
Between hole ball is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674133.6U CN206937989U (en) | 2017-06-12 | 2017-06-12 | Piezoelectricity striker printing head system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674133.6U CN206937989U (en) | 2017-06-12 | 2017-06-12 | Piezoelectricity striker printing head system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206937989U true CN206937989U (en) | 2018-01-30 |
Family
ID=61363990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720674133.6U Expired - Fee Related CN206937989U (en) | 2017-06-12 | 2017-06-12 | Piezoelectricity striker printing head system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206937989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081907A (en) * | 2017-06-12 | 2017-08-22 | 贵州大学 | Piezoelectricity striker printing head system |
-
2017
- 2017-06-12 CN CN201720674133.6U patent/CN206937989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081907A (en) * | 2017-06-12 | 2017-08-22 | 贵州大学 | Piezoelectricity striker printing head system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |