CN205890122U - Suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer - Google Patents
Suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer Download PDFInfo
- Publication number
- CN205890122U CN205890122U CN201620837205.XU CN201620837205U CN205890122U CN 205890122 U CN205890122 U CN 205890122U CN 201620837205 U CN201620837205 U CN 201620837205U CN 205890122 U CN205890122 U CN 205890122U
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- CN
- China
- Prior art keywords
- piezoelectric patches
- matching layer
- fixing
- shaped block
- top board
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- Expired - Fee Related
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Abstract
The utility model discloses a suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer. The pedestal mounting holding down plate, base upper portion installation cylinder, the top board is connected with the cylinder, and the terminal surface centre vertically is equipped with the spout under the top board, and two fixed V type pieces are fixed in the spout, and the piezoelectric patches was put to the upper end vacuum chuck installs in the top board hole to positioning and clamping to vacuum chuck and piezoelectric patches, the holding down plate up end is equipped with the spout with top board spout symmetrical arrangement, and fixed V type piece is fixed in the spout, and the vacuum chuck that the matching layer was put to the upper end installs in pushing down the diaphragm orifice, and activity V type piece promotes to move in the spout, realizes the positioning and clamping to vacuum chuck and matching layer, two vacuum chuck open has the centre bore, and the gas pocket on upper and lower clamp plate, trachea are connected with vacuum generator separately respectively. The utility model discloses a loading and unloading piezoelectric patches is adsorbed to the negative pressure and the matching layer is convenient, using V type piece location and tightly realizing piezoelectric patches and matching layer centering with pressing from both sides, the axiality is higher.
Description
Technical field
This utility model is related to the preparation of gas ultrasound wave transducer and in particular to a kind of gas ultrasound wave transducer piezoelectricity
Piece and the compacting fixture of matching layer.
Background technology
Gas ultrasound wave transducer is typically used as the sensing unit of Ultrasonic Wave Flowmeter, is a kind of sharp by low-voltage
Send out the acoustical match type transducer obtaining gas flow information.The main sensing element of gas ultrasound wave transducer be piezoelectric patches with
Join the piezoelectricity core of layer composition.Pass through glue bonding between piezoelectric patches and matching layer and press curing forms piezoelectricity core.In order to
Piezoelectric patches vibrational energy under electric field excitation is made to be delivered to matching layer in maximum efficiency, piezoelectric patches and coupling cooperation axiality require relatively
High；As sensing element, the concordance of piezoelectricity core processing technology and interchangeability requirement are higher, therefore in pressing process, need
Control thrust stable, and need to avoid the excessive fragmentation causing piezoelectric patches and matching layer of thrust；Accordingly, it would be desirable to a kind of frock
Fixture guarantee piezoelectricity core processing technology is stable, simple operation.
Utility model content
For technical problem present in above-mentioned background technology, the purpose of this utility model is to provide a kind of gas ultrasound
The compacting fixture of wave transducer piezoelectric patches and matching layer, it is simple to have an easy to operate, structure, and enables to transducer piezoelectricity core
The control of heart processing technology, makes the bonding of piezoelectric patches and matching layer relatively reliable, and effectively improves the making effect of transducer core
Rate and quality.
The technical scheme that this utility model is adopted is:
This utility model includes base, cylinder, top board, lower platen, three pieces of fixing V-shaped blocks, movable V-shaped block, and two true
Suction disk, handle and two vacuum generators；
Base lower surface right angle setting lower platen, the adjustable cylinder of thrust output, top board are installed in pan frontward end face top
Boss above is connected with cylinder, is longitudinally provided with chute in the middle of top board lower surface, and the first fixing V-shaped block and second fixes V-shaped
Block is fixed in chute, and the first vacuum cup that upper end is placed with piezoelectric patches is arranged in top board hole, and is located at the first fixing V-shaped
Between block and the second fixing V-shaped block, after the first fixing V-shaped block and the second fixing V-shaped block centering, realize to the first vacuum cup and
The positioning of piezoelectric patches and clamping；
It is provided with the chute being arranged symmetrically with top board chute, the 3rd fixing V-shaped block is fixed on cunning in the middle of lower platen upper surface
In groove, the second vacuum cup that upper end is placed with matching layer is arranged on and pushes in plate hole, and is located at the 3rd fixing V-shaped block and movable v
Between type block, movable V-shaped block is promoted by handle and moves in chute, after the 3rd fixing V-shaped block and movable V-shaped block centering, real
The now positioning to the second vacuum cup and matching layer and clamping；
First vacuum cup and the second vacuum cup have centre bore, respectively through the pore on upper and lower pressing plate, trachea with each
Connect from vacuum generator.
On described lower platen equipped with avoid cylinder exceed stroke cause piezoelectric patches, matching layer damage travel switch.
It is provided with the first polyfluoroprene o type circle between described first vacuum cup and piezoelectric patches.Described second vacuum cup with mate
Interlayer is provided with the second polyfluoroprene o type circle.
This utility model has the beneficial effect that
1) negative-pressure adsorption piezoelectric patches and matching layer, convenient handling piezoelectric patches and matching layer；
2) piezoelectric patches and matching layer centering are realized by using V-shaped block positioning and clamping, axiality is higher；
3) push rod cylinder thrust output is controlled to adjust by bleed pressure, can adjust the press power of piezoelectric patches and matching layer.
4) pass through to arrange polyfluoroprene o type circle and limit switch, it is to avoid piezoelectric patches and matching layer stress fragmentation in pressing process.
Brief description
Fig. 1 is axonometric drawing of the present utility model.
Fig. 2 is the axonometric drawing of vacuum cup.
Fig. 3 is lower platen V-shaped block clamp structure top view.
Fig. 4 is top board V-shaped block clamp structure upward view.
Fig. 5 is lower platen V-shaped block clamp structure sectional view.
In figure: 1, base, 2, cylinder, 3, top board, 4, lower platen, 5, travel switch, 6,18,19, fixing V-shaped block, 7,
16th, polyfluoroprene o type circle, 8,17, vacuum cup, 9, movable V-shaped block, 10, handle bearing, 11, handle, 12,15, trachea, 13,14,
Vacuum generator.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, this utility model includes base 1, cylinder 2, top board 3, lower platen 4,
Three pieces of fixing V-shaped blocks 6,18,19, movable V-shaped block 9, two vacuum cups 8,17, handle 11 and two vacuum generators 13,14.
Base 1 lower surface right angle setting lower platen 4, the adjustable cylinder of thrust output 2 is installed on base 1 front end face top, on
Boss above pressing plate 3 is connected with cylinder 2, is longitudinally provided with chute in the middle of top board 3 lower surface, the first fixing V-shaped block 18 and the
Two fixing V-shaped blocks 19 are fixed by screws in chute, and the first vacuum cup 17 that upper end is placed with piezoelectric patches is arranged on top board 3
Kong Zhong, and be located between the first fixing V-shaped block 18 and the second fixing V-shaped block 19, the first fixing V-shaped block 18 and second fixes V-shaped
After block 19 centering, realize the positioning to the first vacuum cup 17 and piezoelectric patches and clamping (in Fig. 4, piezoelectric patches is not drawn into).
It is provided with the chute being arranged symmetrically with top board 3 chute, the 3rd fixing V-shaped block 6 passes through spiral shell in the middle of lower platen 4 upper surface
Nail is fixed in chute, and the second vacuum cup 8 that upper end is placed with matching layer is arranged in lower platen 4 hole, and is located at the 3rd fixing v
Between type block 18 and movable V-shaped block 9, movable V-shaped block 9 is promoted by handle 11 and moves in chute, the 3rd fixing V-shaped block 6 He
After the centering of movable V-shaped block 9, realize the positioning to the second vacuum cup 8 and matching layer and clamping.Handle 11 passes through handle bearing 10
It is connected with lower platen 4, by the reciprocating motion of Spin Control activity V-shaped block 9, realize clamping and loose unloading.As shown in figure 5, the 3rd
Fixing V-shaped block 6 and movable V-shaped block 9 are provided with two-stage, below one-level tangent with the second vacuum cup 8, above one-level with mate
Layer tangent (matching layer in figure is not drawn into).
As shown in Figure 1, Figure 2, Figure 5, the first vacuum cup 17 and the second vacuum cup 8 have centre bore, respectively through upper pressure
Pore on plate 3, lower platen 4, the first trachea 12 and the second trachea 15 and respective first vacuum generator 13, the second vacuum occur
Device 14 connects.Described two vacuum generator one end are connected with the pore of top board, lower platen by joint, and the other end connects empty
Press, forms negative pressure in top board, lower platen pore, realizes the negative-pressure adsorption of piezoelectric patches, matching layer with vacuum cup cooperation.
On described lower platen 4 equipped with avoid cylinder 2 beyond stroke cause piezoelectric patches, matching layer damage travel switch 5.
It is provided with the first polyfluoroprene o type circle 16 between described first vacuum cup 17 and piezoelectric patches.Described second vacuum cup 8 with
Coupling interlayer is provided with the second polyfluoroprene o type circle 7.Polyfluoroprene o type circle is provided with two vacuum cups, true in negative pressure to ensure
Form vacuum between suction disk and piezoelectric patches, matching layer, and the power of piezoelectric patches and matching layer can be impacted with bounce cylinder, it is to avoid damage
Bad.
Described cylinder 2 is connected with the adjustable air compressor machine of bleed pressure, adjusts bleed pressure and stably determines that cylinder output pushes away
Power, realizes control it is ensured that the concordance of piezoelectricity core processing technology conforming to piezoelectric patches and matching layer press power.
Operation principle of the present utility model:
Before compacting piezoelectric patches and matching layer, first top board 3 and lower platen 4 are taken off, the first vacuum is fixed on top board 3
Sucker 17 and the first polyfluoroprene o type circle 16, piezoelectric patches is placed in the first polyfluoroprene o type circle 16 top, by the first fixing V-shaped block 18 and the
Two fixing V-shaped blocks 19 put into chute centering positioning and the clamping piezoelectric patches of top board 3, and are screwed；On lower platen 4
Fix the second vacuum cup 8 and the second polyfluoroprene o type circle 7, coupling is placed on 7 on the second polyfluoroprene o type circle, by the 3rd fixing v
Type block 6 puts into the chute of lower platen 4, the position of regulation handle 11 with movable V-shaped block 9, makes the 3rd fixing V-shaped block 6 and movable V-shaped
Block 9 centering positioning and clamping matching layer；Top board 3 is installed on cylinder 2, lower platen 4 is installed on base 1, starts pneumatics
Machine allows the first vacuum generator 13, the second vacuum generator 14 to work, and forms negative pressure and adsorbs piezoelectric patches and matching layer；In coupling
After layer upper surface uniform gluing, adjust source of the gas output pressure, start cylinder, promote top board 3 to drive with certain thrust output
Piezoelectric patches is moved downward and is contacted with the matching layer on lower platen 4, is suppressed.When cylinder 2 stroke goes beyond the scope, trigger stroke
Switch 5, stops cylinder, prevents from crushing piezoelectric patches and matching layer.After compression, top board 3 and lower platen 4 are connected with pressing from both sides
Tightly, take off top board 3 and lower platen 4, and send into down one hot setting operation.So far, complete gas ultrasound wave transducer pressure
Electric piece and the pressing process of matching layer.
Above-mentioned specific embodiment is used for illustrating this utility model, rather than this utility model is limited,
In spirit of the present utility model and scope of the claims, any modifications and changes that this utility model is made, all fall
Enter protection domain of the present utility model.
Claims (4)
1. a kind of gas ultrasound wave transducer piezoelectric patches and matching layer compacting fixture it is characterised in that: include base (1), gas
Cylinder (2), top board (3), lower platen (4), three pieces of fixing V-shaped blocks (6,18,19), movable V-shaped block (9), two vacuum cups (8,
17), handle (11) and two vacuum generators (13,14)；
Base (1) lower surface right angle setting lower platen (4), the adjustable cylinder of thrust output is installed on base (1) front end face top
(2), top board (3) boss above is connected with cylinder (2), is longitudinally provided with chute in the middle of top board (3) lower surface, and first is fixing
V-shaped block (18) and the second fixing V-shaped block (19) are fixed in chute, and the first vacuum cup (17) that upper end is placed with piezoelectric patches is installed
In top board (3) hole, and it is located between the first fixing V-shaped block (18) and the second fixing V-shaped block (19), the first fixing V-shaped block
(18), after and the second fixing V-shaped block (19) centering, the positioning to the first vacuum cup (17) and piezoelectric patches and clamping are realized；
It is provided with the chute being arranged symmetrically with top board (3) chute, the 3rd fixing V-shaped block (6) is fixing in the middle of lower platen (4) upper surface
In chute, the second vacuum cup (8) that upper end is placed with matching layer is arranged in lower platen (4) hole, and is located at the 3rd fixing V-shaped
Between block (18) and movable V-shaped block (9), movable V-shaped block (9) is passed through handle (11) promotion and is moved in chute, the 3rd fixing V-shaped
After block (6) and movable V-shaped block (9) centering, realize the positioning to the second vacuum cup (8) and matching layer and clamping；
First vacuum cup (17) and the second vacuum cup (8) have centre bore, respectively through the pore on top board, lower platen,
Trachea is connected with respective vacuum generator (13,14).
2. the compacting fixture of a kind of gas ultrasound wave transducer piezoelectric patches according to claim 1 and matching layer, its feature
Be: on described lower platen (4) equipped with avoid cylinder (2) beyond stroke cause piezoelectric patches, matching layer damage travel switch
(5).
3. the compacting fixture of a kind of gas ultrasound wave transducer piezoelectric patches according to claim 1 and matching layer, its feature
It is: described first vacuum cup (17) is provided with the first polyfluoroprene o type circle (16) and between piezoelectric patches.
4. the compacting fixture of a kind of gas ultrasound wave transducer piezoelectric patches according to claim 1 and matching layer, its feature
It is: described second vacuum cup (8) is provided with the second polyfluoroprene o type circle (7) with mating interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837205.XU CN205890122U (en) | 2016-08-04 | 2016-08-04 | Suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620837205.XU CN205890122U (en) | 2016-08-04 | 2016-08-04 | Suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205890122U true CN205890122U (en) | 2017-01-18 |
Family
ID=57782830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620837205.XU Expired - Fee Related CN205890122U (en) | 2016-08-04 | 2016-08-04 | Suppression anchor clamps of gaseous ultrasonic transducer piezoelectric patches and matching layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205890122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079830A (en) * | 2016-08-04 | 2016-11-09 | 浙江大学 | Gas ultrasound wave transducer piezoelectric patches and the compacting fixture of matching layer |
| CN107218275A (en) * | 2017-04-28 | 2017-09-29 | 中广核检测技术有限公司 | Ultrasonic transducer piezoelectric chip is bonded pressing device |
-
2016
- 2016-08-04 CN CN201620837205.XU patent/CN205890122U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079830A (en) * | 2016-08-04 | 2016-11-09 | 浙江大学 | Gas ultrasound wave transducer piezoelectric patches and the compacting fixture of matching layer |
| CN107218275A (en) * | 2017-04-28 | 2017-09-29 | 中广核检测技术有限公司 | Ultrasonic transducer piezoelectric chip is bonded pressing device |
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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: 20170118 Termination date: 20210804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |