CN207667940U - A kind of point glue equipment based on double piezoelectric ceramic driving - Google Patents
A kind of point glue equipment based on double piezoelectric ceramic driving Download PDFInfo
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- CN207667940U CN207667940U CN201721775683.3U CN201721775683U CN207667940U CN 207667940 U CN207667940 U CN 207667940U CN 201721775683 U CN201721775683 U CN 201721775683U CN 207667940 U CN207667940 U CN 207667940U
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- groove
- magnifying arm
- point glue
- piezoelectric ceramic
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Abstract
The utility model is related to a kind of point glue equipments based on double piezoelectric ceramic driving, including：Valve body includes that the top base with a support portion, the bottom base with a gummosis channel and the nozzle assembly with a nozzle, the bottom base are connected to the lower end of the top base, which is connected to the lower end of the bottom base；Magnifying arm is swingably supported in the support portion；Striker is installed on the left end of the magnifying arm, and across the top base and the gummosis channel and stretches to the nozzle assembly, and is opened with the nozzle pitch；First piezoelectric stack actuator is installed on the top base, is located at the left side of the upside and the support portion of the magnifying arm, and is abutted with the magnifying arm；Second piezoelectric stack actuator is installed on the top base, is located at the right side of the upside and the support portion of the magnifying arm, and is spaced apart with the magnifying arm；Elastic component, one end are supported in the left end of the magnifying arm, and the other end is supported in the top base.The point glue equipment can realize accurate, stable, high frequency dispensing.
Description
Technical field
The utility model is related to spray dispensing technical field, and in particular to a kind of point mucilage binding based on double piezoelectric ceramic driving
It sets.
Background technology
Electronic product constantly promotes the rigors of quality and reliability the innovation of microelectronic packaging technology.Dispensing is made
Quality for one during microelectronics Packaging important process, performance decides the excellent of electronic product quality.Due to point
The advantage of glue efficiency and dispensing aspect of performance, injecting type dispensing is gradually replacing contact dispensing, thus how to be promoted and changed
Kind injecting type dispensing performance is just at the research emphasis of researchers.
Currently used spraying type dispensing valve has glue dispensing valve based on Piezoelectric Ceramic and flexible magnifying arm, is based on piezoelectricity
Ceramic driving and the glue dispensing valve of rib amplification, the point glue equipment etc. based on single Piezoelectric Ceramic and support lever amplification, these productions
Flexible magnifying arm is easy fatigue rupture in product, and rib magnifying arm design difficulty big structure is complicated, the supporting lever of single Piezoelectric Ceramic
The point glue equipment dispensing frequency limited of bar amplification is responded in spring.
Therefore, it is necessary to a kind of new point glue equipment be designed, to overcome the above problem.
Utility model content
The problems in technical problem to be solved in the utility model is, for the above-mentioned prior art, a kind of structure is provided
Simply, dispensing frequency is high, the point glue equipment based on double piezoelectric ceramic driving of dispensing function admirable.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of point glue equipment driven based on double piezoelectric ceramic is provided, including：
Valve body includes the top base with a support portion, the bottom base with a gummosis channel and with a nozzle
Nozzle assembly, the bottom base are connected to the lower end of the top base, and the nozzle assembly is connected to the lower end of the bottom base；
Magnifying arm is swingably supported in the support portion；
Striker is installed on the left end of the magnifying arm, and across the top base and the gummosis channel and stretches to institute
Nozzle assembly is stated, and is opened with the nozzle pitch；
First piezoelectric stack actuator is installed on the top base, and positioned at the upside of the magnifying arm and the support
The left side in portion, and abutted with the magnifying arm；
Second piezoelectric stack actuator is installed on the top base, and positioned at the upside of the magnifying arm and the support
The right side in portion, and be spaced apart with the magnifying arm；
Elastic component, one end support the left end of the magnifying arm, the other end to be supported in the top base.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the upside of the magnifying arm is equipped with the
The lower end of one groove and the second groove, first piezoelectric stack actuator is connected to first groove, second piezoelectricity
It stacks the lower end aligned of actuator and does not contact second groove.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, first groove and described second
Groove is in same level height, and the lower end of second piezoelectric stack actuator is higher than first piezoelectric stack actuator
Lower end.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the upside of the magnifying arm is equipped with tool
There are the first boss of first groove and the second boss with second groove.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the downside of the magnifying arm is equipped with the
Three grooves, first groove and second groove are located at the left and right sides of the third groove, the third groove
It is supported in the support portion.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the left end of the magnifying arm opens up one
The upper end of notch, the striker is fixed in the notch；The peripheral wall radial protrusion of the striker forms positioning region and one on one
Lower positioning region, the upper positioning region and the lower positioning region are located at the upper side and lower side of the notch, the magnifying arm
Upper and lower both sides are respectively equipped with arc convex and arc lower protrusion, and the upper arc convex and arc lower protrusion abut institute respectively
State positioning region and the lower positioning region.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the bottom base has cleaning hole,
The gummosis channel is connected to the external world by the cleaning hole；The bottom base, which also has, is removedly plugged in the cleaning hole
Interior sealing-plug.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, it is solid that one is equipped in the top base
Determine portion, the fixed part is fixed in the lower end of the elastic component, and the striker passes through the fixed part.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the bottom of the top base is connected with
One sleeve, the sleeve has the top being connected in the top base and stretches to the lower part in the gummosis channel, described
The first sealing ring is equipped between lower part and the inner wall in the gummosis channel；The striker sequentially pass through the top and it is described under
Portion is equipped with guide sleeve between the striker and the top, general blocking is equipped between the striker and the lower part.
In point glue equipment provided by the utility model based on double piezoelectric ceramic driving, the bottom of the bottom base has one
The cylinder that the inside of opening direction is connected to the gummosis channel；The nozzle assembly further includes interior fixing sleeve and fixed sleeves,
The fixed sleeves are socketed on outside the cylinder, and the interior fixing sleeve is plugged in the cylinder, and the nozzle is fixed on described
Between interior fixing sleeve and the fixed sleeves, between the part being inserted into the cylinder and the cylinder of the interior fixing sleeve
Equipped with the second sealing ring.
Implement the point glue equipment provided by the utility model driven based on double piezoelectric ceramic, can reach following beneficial to effect
Fruit：The point glue equipment includes：Valve body, include the top base with a support portion, the bottom base with a gummosis channel and
Nozzle assembly with a nozzle, the bottom base are connected to the lower end of the top base, and the nozzle assembly is connected to described
The lower end of bottom base；Magnifying arm is swingably supported in the support portion；Striker, is installed on the left end of the magnifying arm, and wears
It crosses the top base and the gummosis channel and stretches to the nozzle assembly, and opened with the nozzle pitch；First piezo stack
Heap actuator is installed on the top base, and positioned at the left side of the upside and the support portion of the magnifying arm, and is put with described
Large arm abuts；Second piezoelectric stack actuator is installed on the top base, and positioned at the upside of the magnifying arm and the support
The right side in portion, and be spaced apart with the magnifying arm；Elastic component, one end support the left end of the magnifying arm, the other end to be supported in institute
State top base.The high-frequency reciprocating motion that the striker can be achieved, to realize accurate, stable, high frequency dispensing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model preferred embodiment；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the schematic top plan view of magnifying arm in the utility model preferred embodiment.
The drawing reference numeral explanation of specific implementation mode：
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.Obviously, the described embodiments are only a part of the embodiments of the utility model,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, for the preferred embodiment of the point glue equipment provided by the utility model based on double piezoelectric ceramic driving,
The point glue equipment includes valve body 1, magnifying arm 2, striker 3, the first piezoelectric stack actuator 4,5 and of the second piezoelectric stack actuator
Elastic component 6.
Valve body 1 include top base 11, be bolted on top base 11 lower end bottom base 12 and be installed on lower base
The nozzle assembly 13 of the lower end of seat 12.Top base 11 has the first installation cavity 111 and the second installation cavity 112, the second installation cavity 112
It is communicated in the lower left quarter of the second installation cavity 112, the bottom cavity wall of the first installation cavity 111 has the support portion 113 to be formed that raises up,
The upper surface of support portion 113 is a cylindrical surface.Second installation cavity 112 has been embedded in fixed part 114, the upper surface of fixed part 114
Recess forms round heavy platform, and the middle part of fixed part 114 is up and down.Referring to Fig. 2, the bottom of top base 11 is also associated with a sleeve
115, the middle part of sleeve 115 communicates up and down and with fixed part 114 comprising top and the lower part being connect with top.Sleeve
115 top is inserted into bottom and 11 screw threads for fastening of top base of top base 11, and the lower part of sleeve 115 exposes to top base 11.
Bottom base 12 blocks two cleaning holes respectively with 121, two, the gummosis channel cleaning hole communicated with gummosis channel 121 and two
Sealing-plug 123, when extraction of closure plug 123, gummosis channel 121 is communicated with the external world by cleaning hole in order to cleaning.Gummosis
Channel 121 houses the lower part of sleeve 115, and the first sealing ring is arranged between the lower part and the inner wall in gummosis channel 121 of sleeve 115
1151, specifically, setting a first annular groove on the outside of the peripheral wall of the lower part of sleeve 115, the first sealing ring 1151 is embedded at first
In annular groove.The bottom of bottom base 12 has hollow and lower ending opening the cylinder 125 communicated with gummosis channel 121.
Referring to Fig. 2, nozzle assembly 13 includes nozzle 131, interior fixing sleeve 132 and fixed sleeves 133,133 spiral shell of fixed sleeves
Line is connected to outside cylinder 125, and interior fixing sleeve 132 is plugged in cylinder 125, and nozzle 131 is fixed on interior fixing sleeve 132 and outer fixation
Second sealing is set between set 133, between the part being inserted into the cylinder 125 and the cylinder 125 of interior fixing sleeve 132
Circle 1321.
First piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5 are installed on the first installation cavity 111 by bolt
Interior, the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5 are located at the arranged on left and right sides of support portion 113, moreover,
Horizontal plane where the lower end of first piezoelectric stack actuator 4 is less than the level where the lower end of the second piezoelectric stack actuator 5
Face.
Magnifying arm 2 is placed in the first installation cavity 111, and magnifying arm 2 is flexible, and service life is long, referring to Fig. 3, upper table
Face is equipped with first boss 21 and second boss 22, and being located at for lower surface is upward at the position of first boss 21 and second boss 22
Recess forms third groove 23.The upper table of first boss 21 downwards concave shape at the first groove 211, the upper table of second boss 22
Recess forms the second groove 221 downwards.The third groove 23 of magnifying arm 2 is supported in the support portion 113 in the first installation cavity 111
On, it is preferred that the groove top face of third groove 23 is a cylindrical surface, and the radius in the groove top face of third groove 23 is slightly larger than support portion
The radius of 113 upper surface so that magnifying arm 2 flexibly can be swingingly supported on support portion 113.First groove 211 and second
Groove 221 is in same level height, and the first groove 211 is abutted with the lower end of the first piezoelectric stack actuator 4, and the second groove
221 and second piezoelectric stack actuator 5 lower end have small gap.The left end of magnifying arm 2 offers U-shaped notch
24.The upper and lower both sides of the part positioned at 24 periphery of notch of magnifying arm 2 are respectively equipped with arc convex and arc lower protrusion.
Elastic component 6 is arranged in the second installation cavity 112, and elastic component 6 is a spring, and the upper end supports the left end of magnifying arm 2,
The other end is supported and is fixed in the round heavy platform of the fixed part 114 in the second installation cavity 112.
Striker 3 in turn passes through elastic component 6, fixed part 114, sleeve 115, gummosis channel 121, cylinder 125 and interior fixation
Set 132.Guide sleeve is set between striker 3 and the top of sleeve 115, so that moving up and down for striker 3 can keep putting down with axial
Row.General blocking 124 is set between striker 3 and the lower part of sleeve 115.The upper end of striker 3 is fixed in notch 24, striker 3
Peripheral wall radial protrusion positioned at 24 upside of notch forms the upper positioning region 31 of an annular, the week for being located at 24 downside of notch of striker 3
Wall radial protrusion forms positioning region 32 once of an annular, upper positioning region 31 and lower positioning region 32 abuts respectively arc convex with
Arc lower is convex, so as to form stable connection between striker 3 and magnifying arm 2.It is separated by one between the lower end and nozzle 131 of striker 3
The distance of Duan Wei little.
The operation principle of the point glue equipment provided by the utility model driven based on double piezoelectric ceramic is described below.
It is noted that before work, magnifying arm 2 is total to elastic component 6, support portion 113 and the first piezoelectric stack actuator 4
Horizontal position is kept under same-action, between having centainly between the second piezoelectric stack actuator 5 and the second groove 221 of magnifying arm 2
Gap, and it is separated by a slight distance between striker 3 and nozzle 131.
When work：
First, the first piezoelectric stack actuator 4 obtains high level first, and the first piezoelectric stack actuator 4 is to bottom offset one
Segment distance, and push the left end of magnifying arm 2 to lower swing, striker 3 rapidly moves down extruding glue under the drive of magnifying arm 2
Liquid realizes gelatin jet.At the same time, the right end of magnifying arm 2 is swung up so that the second groove 221 of the upside of magnifying arm 2 with
Second piezoelectric stack actuator 5 abuts against；
Later, the first piezoelectric stack actuator 4 leads to low level, and the first piezoelectric stack actuator 4 shifts up a distance
To return to initial position.Meanwhile second piezoelectric stack actuator 5 lead to high level, the second piezoelectric stack actuator 5 is to bottom offset one
Segment distance, and push the right end of magnifying arm 2 to lower swing so that magnifying arm 2 returns to initial horizontal position, striker 3 is in magnifying arm
Initial position is also returned under 2 drive；
Finally, the second piezoelectric stack actuator 5 leads to low level, and the second piezoelectric stack actuator 5 shifts up a distance
To return to initial position.
In this way, completing a glue spraying.
In summary, it is only necessary to successively give the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5 logical periodically
Alternately logical high level and low level, the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5 can push magnifying arm
2 it is high-frequency swing repeatedly moved up and down so that striker 3 is high-frequency, to realize high frequency, stabilization and accurately point
Glue.
In addition, it should also be noted that, user can be by changing to the first piezoelectric stack actuator 4 and the second piezoelectric stack
The size for the voltage value that actuator 5 inputs adjusts the displacement of 3 upper and lower displacement of striker, to adjust dispensing for dispensing glue each time
Amount, is also applicable to the glue of different viscosities.
Implement point glue equipment provided by the utility model, has the advantages that：
1, it only needs successively logical periodically alternate to the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5
Logical high level and low level, the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5 can push 2 high frequency of magnifying arm
The swing repeatedly of rate, moves up and down so that striker 3 is high-frequency, to realize high frequency, stabilization and accurately dispensing.
2, user can be by changing the voltage inputted to the first piezoelectric stack actuator 4 and the second piezoelectric stack actuator 5
The size of value adjusts the displacement of 3 upper and lower displacement of striker, to adjust dispensing amount for dispensing glue each time, is also applicable to different viscous
The glue of degree.
3, the peripheral wall radial protrusion for being located at 24 downside of notch of striker 3 forms positioning region 32 once of an annular, upper positioning
Portion 31 and lower positioning region 32 abuts arc convex respectively and arc lower is convex, so as to be formed between striker 3 and magnifying arm 2 stable
Connection.
4, guide sleeve is set between striker 3 and the top of sleeve 115, so that moving up and down for striker 3 can be kept and axis
To parallel.
5, pedestal has 121, two, the gummosis channel cleaning hole communicated with gummosis channel 121 and two closure two respectively
The sealing-plug 123 for cleaning hole, when extraction of closure plug 123, gummosis channel 121 is communicated with the external world in order to clear by cleaning hole
It washes.
6, the third groove 23 of magnifying arm 2 is supported on the support portion 113 in the first installation cavity 111, it is preferred that third is recessed
The groove top face of slot 23 is a cylindrical surface, and the radius in the groove top face of third groove 23 is slightly larger than the half of the upper surface of support portion 113
Diameter so that magnifying arm 2 flexibly can be swingingly supported on support portion 113.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (10)
1. a kind of point glue equipment based on double piezoelectric ceramic driving, which is characterized in that including：
Valve body includes the top base with a support portion, the bottom base with a gummosis channel and the nozzle with a nozzle
Component, the bottom base are connected to the lower end of the top base, and the nozzle assembly is connected to the lower end of the bottom base；
Magnifying arm is swingably supported in the support portion；
Striker is installed on the left end of the magnifying arm, and across the top base and the gummosis channel and stretches to the spray
Nozzle assembly, and opened with the nozzle pitch；
First piezoelectric stack actuator, is installed on the top base, and positioned at the upside of the magnifying arm and the support portion
Left side, and abutted with the magnifying arm；
Second piezoelectric stack actuator, is installed on the top base, and positioned at the upside of the magnifying arm and the support portion
Right side, and be spaced apart with the magnifying arm；
Elastic component, one end support the left end of the magnifying arm, the other end to be supported in the top base.
2. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that the magnifying arm
Upside is equipped with the first groove and the second groove, and the lower end of first piezoelectric stack actuator is connected to first groove, institute
It states the lower end aligned of the second piezoelectric stack actuator and does not contact second groove.
3. the point glue equipment according to claim 2 based on double piezoelectric ceramic driving, which is characterized in that first groove
It is in same level height with second groove, the lower end of second piezoelectric stack actuator is higher than first piezo stack
The lower end of heap actuator.
4. the point glue equipment according to claim 2 based on double piezoelectric ceramic driving, which is characterized in that the magnifying arm
Upside is equipped with the first boss with first groove and the second boss with second groove.
5. the point glue equipment according to claim 2 based on double piezoelectric ceramic driving, which is characterized in that the magnifying arm
Downside is equipped with third groove, and first groove and second groove are located at the left and right sides of the third groove, institute
It states third groove and is supported in the support portion.
6. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that the magnifying arm
Left end opens up a notch, and the upper end of the striker is fixed in the notch；The peripheral wall radial protrusion of the striker is formed on one
Positioning region and once positioning region, the upper positioning region and the lower positioning region are located at the upper side and lower side of the notch, institute
The upper and lower both sides for stating magnifying arm are respectively equipped with arc convex and arc lower protrusion, the upper arc convex and arc lower protrusion
The upper positioning region and the lower positioning region are abutted respectively.
7. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that the bottom base tool
There are cleaning hole, the gummosis channel to be connected to the external world by the cleaning hole；The bottom base, which also has, to be removedly plugged in
Sealing-plug in the cleaning hole.
8. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that in the top base
One fixed part is installed, the fixed part is fixed in the lower end of the elastic component, and the striker passes through the fixed part.
9. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that the top base
Bottom is connected with a sleeve, and the sleeve has the top being connected in the top base and stretches in the gummosis channel
Lower part is equipped with the first sealing ring between the lower part and the inner wall in the gummosis channel；The striker sequentially passes through the top
With the lower part, it is equipped with guide sleeve between the striker and the top, general blocking is equipped between the striker and the lower part.
10. the point glue equipment according to claim 1 based on double piezoelectric ceramic driving, which is characterized in that the bottom base
Bottom there is the cylinder that is connected to the gummosis channel of inside of an opening direction；The nozzle assembly further includes interior fixing sleeve
And fixed sleeves, the fixed sleeves are socketed on outside the cylinder, the interior fixing sleeve is plugged in the cylinder, the nozzle
It is fixed between the interior fixing sleeve and the fixed sleeves, the part being inserted into the cylinder and the institute of the interior fixing sleeve
It states and is equipped with the second sealing ring between cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775683.3U CN207667940U (en) | 2017-12-19 | 2017-12-19 | A kind of point glue equipment based on double piezoelectric ceramic driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775683.3U CN207667940U (en) | 2017-12-19 | 2017-12-19 | A kind of point glue equipment based on double piezoelectric ceramic driving |
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| Publication Number | Publication Date |
|---|---|
| CN207667940U true CN207667940U (en) | 2018-07-31 |
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ID=62969265
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721775683.3U Active CN207667940U (en) | 2017-12-19 | 2017-12-19 | A kind of point glue equipment based on double piezoelectric ceramic driving |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590169A (en) * | 2019-01-15 | 2019-04-09 | 深圳市轴心压电技术有限公司 | Piezoelectricity glue dispensing valve |
| CN110947579A (en) * | 2019-11-20 | 2020-04-03 | 深圳市新迈自动化科技有限公司 | Piezoelectric injection valve |
| CN113019817A (en) * | 2021-03-18 | 2021-06-25 | 深圳市腾盛精密装备股份有限公司 | Dual pressure electrospray valve |
| CN114308548A (en) * | 2022-03-07 | 2022-04-12 | 河北工业大学 | Non-impact fluid jet dispensing system |
| WO2022167289A1 (en) * | 2021-02-04 | 2022-08-11 | Vermes Microdispensing GmbH | Metering system |
-
2017
- 2017-12-19 CN CN201721775683.3U patent/CN207667940U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590169A (en) * | 2019-01-15 | 2019-04-09 | 深圳市轴心压电技术有限公司 | Piezoelectricity glue dispensing valve |
| CN110947579A (en) * | 2019-11-20 | 2020-04-03 | 深圳市新迈自动化科技有限公司 | Piezoelectric injection valve |
| WO2022167289A1 (en) * | 2021-02-04 | 2022-08-11 | Vermes Microdispensing GmbH | Metering system |
| CN113019817A (en) * | 2021-03-18 | 2021-06-25 | 深圳市腾盛精密装备股份有限公司 | Dual pressure electrospray valve |
| CN114308548A (en) * | 2022-03-07 | 2022-04-12 | 河北工业大学 | Non-impact fluid jet dispensing system |
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