CN207566344U - Inertia-type piezoelectric vibration material feeder - Google Patents

Inertia-type piezoelectric vibration material feeder Download PDF

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Publication number
CN207566344U
CN207566344U CN201721743370.XU CN201721743370U CN207566344U CN 207566344 U CN207566344 U CN 207566344U CN 201721743370 U CN201721743370 U CN 201721743370U CN 207566344 U CN207566344 U CN 207566344U
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CN
China
Prior art keywords
support spring
piezoelectric
inertia
spring piece
pedestal
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Expired - Fee Related
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CN201721743370.XU
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Chinese (zh)
Inventor
苏江
彭朝阳
郑洪波
黄东
曾闻广
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Guangdong Institute of Science and Technology
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Guangdong Institute of Science and Technology
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a kind of inertia-type piezoelectric vibration material feeder, including top plate, pedestal, at least three support spring pieces, at least three trapezoid blocks, at least two piezoelectric vibrators, the middle part of top plate has the first threaded hole, at least three trapezoid blocks are evenly distributed in the circumferential direction of pedestal, trapezoid block is fixedly connected with support spring piece, and support spring piece is obliquely installed relative to pedestal, top plate has at least three extensions, support spring piece is fixedly connected with the first side of extension, piezoelectric vibrator is fixedly connected with the second side of extension, piezoelectric vibrator includes piezoelectric bimorph and inertial mass, the first end of piezoelectric bimorph is fixedly connected with inertial mass, the second end of piezoelectric bimorph is fixedly connected with the second side of extension.The vibration feeder has the characteristics that light weight, small, simple in structure, conveying speed is fast, conveying stationarity is good and is easy to adjustment.

Description

Inertia-type piezoelectric vibration material feeder
Technical field
The utility model is related to conveying equipment field, more particularly, to a kind of inertia-type piezoelectric vibration material feeder.
Background technology
Automatic feeding, which refers to, automatically to be operated by regulation requirement, and people is not only it needs to be determined that the requirement of control, has to Article is sent to another position by the feed mechanism of direct operation according to the posture of regulation from a position, during which process is not Need the mechanism for the completion that artificial intervention can be automatic accurate.Automatic feeding is the indispensable link of production line, is determined The height of mechanized production system efficiency.
Vibration feeder is a kind of feeding device in automatic processing and automatic setup system, realizes the dress in factory Match, check, counting and the automation of packaging process and unmanned, enabling parts that can simultaneously stablize confession along certain orientation automatically It gives, since permutation directional properties are excellent, feeding efficiency is high, and versatility is good, therefore is widely used.
However, traditional vibration feeder, mostly using electromagnet as vibration source, this electric and magnetic oscillation feed appliance exists The problems such as volume is big, quality is heavy, complicated, noise is big, conveying stationarity is poor.
Invention content
First purpose of the utility model is to provide that a kind of simple in structure, light weight, small, conveying speed is fast, conveying Stationarity is good and is easy to the inertia-type piezoelectric vibration material feeder of adjustment.
To realize the first above-mentioned purpose, inertia-type piezoelectric vibration material feeder provided by the utility model includes top plate, bottom Seat, at least three support spring pieces, at least three trapezoid blocks, at least two piezoelectric vibrators, the middle part of top plate have the first screw thread Hole, at least three trapezoid blocks are evenly distributed in the circumferential direction of pedestal, and trapezoid block is consolidated by the first end of bolt and support spring piece Fixed connection, and support spring piece is obliquely installed relative to pedestal, top plate has at least three extensions, each support spring piece Second end be fixedly connected by bolt with the first side of each extension, each piezoelectric vibrator passes through bolt and each The second side of extension is fixedly connected;Piezoelectric vibrator includes piezoelectric bimorph and inertial mass, and the first end of piezoelectric bimorph passes through Bolt is fixedly connected with inertial mass, and the second end of piezoelectric bimorph is fixedly connected by bolt with the second side of extension.
It can be seen that inertia-type piezoelectric vibration material feeder provided by the utility model, piezoelectric bimorph and inertial mass spiral shell It tethers and is fixed in top plate after connecing, form one end and fix, the free piezoelectric vibrator in one end is handed over by applying to piezoelectric bimorph Galvanic electricity pressure, using bending vibration caused by the effect of inertia of inertial mass, effect of vibration is distributed in bottom in top plate so as to drive Flexible deformation occurs for the support spring piece of seat, form up and down with the complex vibration reversed around central axis, so as to structure doublet The conveying capacity of material.
In addition, the vibration frequency and Oscillation Amplitude of piezoelectric vibrator are can be realized by adjusting supply frequency and voltage, Facilitate and controlled, can effectively adapt to the feeding demand of different production lines.
Further embodiment is that the horizontal plane of support spring piece and pedestal forms angle, and ranging from 60 degree of angle are extremely 80 degree.
Further scheme is that support spring piece is sheet type spring leaf, and support spring piece is rectangle.
As it can be seen that using the good thin spring piece of elasticity, amplitude is increased, improves conveying speed.
Further embodiment is that piezoelectric bimorph is electrically connected by extraction wire with positive pole, and power supply is piezoelectric bimorph Piece output AC power source.
As it can be seen that piezoelectric bimorph can be made of substrate and two pieces of piezoelectric ceramic pieces, two panels piezoelectric ceramic piece is led by drawing Line connects the anode of power supply, and substrate is grounded by extraction wire, and piezoelectric bimorph works mainly by voltage of electric field, due to insulating properties root Number, basic no current passes through, and uses AC sine wave power supply as control signal.
One Preferable scheme is that, piezoelectric bimorph is rectangle.
As it can be seen that piezoelectric bimorph is rectangular shape, free end and the inertial mass of piezoelectric bimorph are bolted to connection, Piezoelectric vibrator is collectively formed, can be required to change the quality of inertial mass and the quantity of piezoelectric vibrator according to conveying.
One Preferable scheme is that, vibration feeder further includes at least three base angles, at least three base angles respectively with pedestal It is fixedly connected.
As it can be seen that pedestal is additionally provided at least three base angles below, at least three base angles are uniformly arranged on the lower part of pedestal simultaneously It is fixedly connected with pedestal, base angle can be rubber base angle, play the role of vibration damping and support.
Description of the drawings
Fig. 1 is the structure chart of the utility model inertia-type piezoelectric vibration material feeder embodiment.
Fig. 2 is the structure chart at another visual angle of the utility model inertia-type piezoelectric vibration material feeder embodiment.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific embodiment
The inertia-type piezoelectric vibration material feeder of the utility model is applied in conveying equipment technology industry, for example, can be extensive The occasion of orientation permutation conveying is needed applied to machinery, electronics, food etc., specifically, which uses piezoelectric vibrator As driving source, top plate 10 is acted on using bending vibration caused by the effect of inertia of inertial mass 40, is distributed in so as to drive The support spring piece 30 of pedestal 20 generates the complex vibration up and down and reversed, so as to form the conveying capacity to material, has matter Measure the features such as light, small, simple in structure, conveying speed is fast, conveying stationarity is good and is easy to adjustment.
Referring to Fig. 1 and Fig. 2, the inertia-type piezoelectric vibration material feeder of the utility model includes 20, four top plate 10, pedestal branch The piezoelectric vibrator of trapezoid block 40, four of spring leaf 30, four is supportted, the middle part of top plate 10 has the first threaded hole 100, four trapezoid blocks 40 are evenly distributed in the circumferential direction of pedestal 20, each trapezoid block 40 passes through bolt 101 and the first of support spring piece 30 respectively End is fixedly connected, and support spring piece 30 is obliquely installed relative to pedestal 20, the horizontal plane shape of support spring piece 30 and pedestal 20 Into angle, and ranging from 60 degree to 80 degree of angle.Support spring piece 30 is sheet type spring leaf and its shape is rectangle.Cause This, by being provided with multiple elasticity support spring piece 30 well on the vibration feeder, increases Oscillation Amplitude, improves Convey the speed of material.
For the tool of top plate 10 there are four extension 11, the second end of each support spring piece 30 passes through bolt 101 and each First side of extension 11 is fixedly connected, each piezoelectric vibrator is consolidated by bolt 101 and the second side of each extension 11 Fixed connection.Piezoelectric vibrator is the power section of vibration feeder, and vibrational excitation is provided for vibration feeder.Moreover, piezoelectric vibrator Vibration frequency and Oscillation Amplitude be that can be realized by adjusting supply frequency and voltage, facilitate and controlled, can be effective Adapt to the feeding demand of different production lines.Wherein, the quantity setting of the extension 11 of top plate 10 can be according to support spring piece 30 It is configured with the particular number of piezoelectric vibrator.
Preferably, support spring piece 30 is fixedly connected respectively by bolt 101 with trapezoid block 40 and top plate 10, can be passed through It adjusts the bolt 101 of support spring piece 30 and changes the resonance between piezoelectric vibrator and support spring piece 30, so as to improve system Resonance state, adjustment is simple, user-friendly.Wherein, the quantity of support spring piece 30 be not limited to four or Three pieces or five.
Piezoelectric vibrator includes piezoelectric bimorph 50 and inertial mass 51, the first end of piezoelectric bimorph 50 by bolt 101 with Inertial mass 40 is fixedly connected, and the second end of piezoelectric bimorph 50 is fixedly connected by bolt 101 with the second side of extension 11.It can See, piezoelectric bimorph 50 is fixed on after being connect with inertial mass 40 with bolt 101 in top plate 10, is formd one end and is fixed, and one end is certainly By piezoelectric vibrator, by the way that piezoelectric bimorph 50 is given to apply alternating voltage, using curved caused by the effect of inertia of inertial mass 40 Qu Zhendong, effect of vibration, so as to drive the support spring piece 30 for being distributed in pedestal 20 that flexible deformation occurs, are formed in top plate 10 Up and down with the complex vibration around central axis torsion, so as to forming the conveying capacity to material.
The shape of piezoelectric bimorph 50 is rectangle, and the free end of piezoelectric bimorph 50 and inertial mass 40 are solid by bolt 101 The fixing end of fixed connection and piezoelectric bimorph 50 is fixedly connected by bolt 101 with the second side of the extension 11 of top plate 10, That is piezoelectric bimorph 50 and inertial mass 40 collectively forms piezoelectric vibrator, can according to conveying require change inertial mass 40 quality with And the quantity of piezoelectric vibrator.
Preferably, piezoelectric bimorph 50 can be collectively constituted by substrate and two pieces of piezoelectric ceramic pieces, and two pieces of piezoelectricity are made pottery Tile is pasted onto the two sides of substrate by certain polar requirement, you can piezoelectric bimorph 50 is made.Wherein, piezoelectric ceramic piece can be Mechanical energy, which can be converted electrical current into, or convert mechanical energy into electric energy has the ceramic material of " piezoelectric effect ", can be according to frequency Stability, electromechanical coupling factor or dielectric constant select suitable piezoelectric ceramic piece.
Piezoelectric bimorph 50 is electrically connected by extraction wire with positive pole, and power supply exports alternating current for piezoelectric bimorph 50 Source.Specifically, two panels piezoelectric ceramic piece connects the anode of power supply by extraction wire, and substrate is grounded by extraction wire, and piezoelectricity is double Chip 50 works mainly by voltage of electric field, and since insulating properties is preferable, basic no current passes through, and is made using AC sine wave power supply Signal in order to control.When the ac frequency of input is identical with system frequency, which has optimal work State, and the resonant frequency of system and system vibration state by adjusting the quality of inertial mass, can be changed.The type of drive User can be facilitated to be adjusted according to the difference of conveying material.
In the present embodiment, inertia-type piezoelectric vibration material feeder further includes four base angles 21, and base angle 21 is horizontally disposed Circular configuration, four round base angles 21 are fixedly connected respectively with pedestal 20.As it can be seen that the pedestal 20 of the vibration feeder is also set below It puts there are four base angle 21, four base angles 21 are uniformly arranged on the lower part of pedestal 20 and are fixedly connected with pedestal 20, and base angle 21 can be with It is rubber base angle, plays the role of vibration damping and support.Wherein, the quantity at base angle 21 be not limited to four or three or Five.
During concrete application, when applying an alternating voltage to the piezoelectric bimorph 50 being distributed in top plate 10, pressure The piezoelectric vibrator that electrical twining piece 50 and inertial mass 40 form will bend vibration, vibrate and pass to pedestal by top plate 10 Equally distributed multiple support spring pieces 30 on 20 so as to drive support spring piece 30 that flexible deformation occurs, can obtain support bullet The bending vibration a little of the high frequency of reed 30 forms up and down with the complex vibration reversed around central axis, it is defeated to form driving material The ability sent.
So the utility model by using piezoelectric vibrator as actuating unit, the vibratory drive for passing through piezoelectric vibrator connects Spindle horizontal movement, so realize charging tray vibration, realize vibration feeding, have it is simple in structure, energy conversion rate is high, driving force Greatly, the features such as feeding speed is fast, conveying stationarity is good.Meanwhile the vibration frequency and Oscillation Amplitude of piezoelectric vibrator are can to pass through Supply frequency and voltage are adjusted to realize, facilitates and is controlled, can effectively adapt to existing production line feeding demand, it can also By adjusting the quality of inertial mass 40, change the resonant frequency of system and system vibration state.
Finally it is emphasized that the utility model is not limited to the above embodiment, the foregoing is merely utility models Preferred embodiment is not intended to limit the utility model, all timess done within the spirit and principle of the utility model What modifications, equivalent substitutions and improvements etc., should be included within the scope of protection of this utility model.

Claims (6)

1. inertia-type piezoelectric vibration material feeder, which is characterized in that including:
Top plate, pedestal, at least three support spring pieces, at least three trapezoid blocks, at least two piezoelectric vibrators, in the top plate Portion has the first threaded hole, and at least three trapezoid blocks are evenly distributed in the circumferential direction of the pedestal, and the trapezoid block passes through Bolt is fixedly connected with the first end of the support spring piece, and the support spring piece is obliquely installed relative to the pedestal;
The top plate has at least three extensions, the second end of each support spring piece by the bolt with it is each First side of a extension is fixedly connected;
The piezoelectric vibrator includes piezoelectric bimorph and inertial mass, and the first end of the piezoelectric bimorph passes through the bolt and institute It states inertial mass to be fixedly connected, the second end of the piezoelectric bimorph is fixed by the second side of the bolt and the extension to be connected It connects.
2. inertia-type piezoelectric vibration material feeder according to claim 1, it is characterised in that:
The horizontal plane of the support spring piece and the pedestal forms angle, and ranging from 60 degree to 80 degree of the angle.
3. inertia-type piezoelectric vibration material feeder according to claim 2, it is characterised in that:
The support spring piece is sheet type spring leaf, and the support spring piece is rectangle.
4. inertia-type piezoelectric vibration material feeder according to any one of claims 1 to 3, it is characterised in that:
The piezoelectric bimorph is electrically connected by extraction wire with positive pole, and the power supply is handed over for piezoelectric bimorph output Galvanic electricity source.
5. inertia-type piezoelectric vibration material feeder according to any one of claims 1 to 3, it is characterised in that:
The piezoelectric bimorph is rectangle.
6. inertia-type piezoelectric vibration material feeder according to any one of claims 1 to 3, it is characterised in that:
The vibration feeder further includes at least three base angles, and at least three base angles are fixedly connected respectively with the pedestal.
CN201721743370.XU 2017-12-12 2017-12-12 Inertia-type piezoelectric vibration material feeder Expired - Fee Related CN207566344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721743370.XU CN207566344U (en) 2017-12-12 2017-12-12 Inertia-type piezoelectric vibration material feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721743370.XU CN207566344U (en) 2017-12-12 2017-12-12 Inertia-type piezoelectric vibration material feeder

Publications (1)

Publication Number Publication Date
CN207566344U true CN207566344U (en) 2018-07-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111038987A (en) * 2019-11-28 2020-04-21 厦门瑞固科技有限公司 Vibration disk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111038987A (en) * 2019-11-28 2020-04-21 厦门瑞固科技有限公司 Vibration disk

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180703

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CF01 Termination of patent right due to non-payment of annual fee