CN115215050A

CN115215050A - Multi-drive piezoelectric circular vibration

Info

Publication number: CN115215050A
Application number: CN202110421251.7A
Authority: CN
Inventors: 马小野; 刘李杰; 张红岩
Original assignee: Suzhou Qianmao Intelligent Equipment Co ltd
Current assignee: Suzhou Qianmao Intelligent Equipment Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-10-21

Abstract

The invention discloses a multi-drive piezoelectric circular vibrator which comprises a shell (1), wherein a plurality of longitudinally extending mounting grooves (2) are formed in the shell (1), the mounting grooves (2) are distributed in a circumferential mode, a ceramic piezoelectric sheet (3) is fixed at the bottom of each mounting groove (2), the ceramic piezoelectric sheet (3) is perpendicular to the horizontal plane, the upper end of the ceramic piezoelectric sheet (3) is fixedly connected with a trough mounting plate (4), the top of the trough mounting plate (4) is used for being connected with a vibrating disc, and when the ceramic piezoelectric sheet (3) is electrified, the ceramic piezoelectric sheet (3) drives the trough mounting plate (4) to reciprocate in the circumferential direction. The invention is suitable for small workpieces and has the advantages of stable driving of the vibration disk, low noise and compact structure.

Description

Multi-drive piezoelectric circular vibration

Technical Field

The invention relates to a multi-drive piezoelectric circular vibrator.

Background

The vibration disc is an auxiliary feeding device, is applied to automatic assembling equipment or automatic processing machinery, replaces manual feeding, and improves feeding efficiency. The vibrating discs are all electromagnetic vibrating discs in the market at present, the electromagnetic vibrating discs are powered by an electromagnetic vibrator to convert electric energy into mechanical vibrating energy, a pulse electromagnet is arranged below a hopper to enable the hopper to vibrate in the vertical direction, and the hopper is enabled to do torsional vibration around the vertical axis of the hopper due to the inclination of a plurality of groups of spring pieces. The parts in the hopper, as a result of being subjected to such vibrations, rise along the helical path until they are delivered to the discharge opening. The electromagnetic vibration disk is suitable for feeding large workpieces, cannot be suitable for small workpieces, and is unstable and high in noise during operation.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a multi-drive piezoelectric circular vibrator which is suitable for small workpieces, is used for stably driving a vibration disk, and has low noise and compact structure.

In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides a many drive piezoelectricity circle shakes, includes the casing, be provided with a plurality of longitudinal extension's mounting groove in the casing, it is a plurality of the mounting groove is the circumference and distributes, and the bottom of every mounting groove is fixed with ceramic piezoelectric patches, ceramic piezoelectric patches is perpendicular with the horizontal plane, the upper end and the silo mounting panel of ceramic piezoelectric patches are connected fixedly, silo mounting panel top is used for connecting the vibration dish, works as ceramic piezoelectric patches circular telegram, ceramic piezoelectric patches drives the silo mounting panel at circumferencial direction reciprocating motion.

The multi-drive piezoelectric circular vibration has the advantages that the novel vibration feeding device using piezoelectric ceramics as a drive source is applied to conveying of small workpieces, the inverse piezoelectric effect of the piezoelectric sheet is used for generating vibration, the vibration is used as the drive source to drive the trough to convey materials, the structure is simple, and the installation and the maintenance are more convenient; the piezoelectric sheet is used as a driving source, a mechanical transmission part of a motor is not needed, and the piezoelectric ceramic is simple in structure and easy to process and manufacture; the device has no rotation inertia, almost has no acceleration and deceleration processes, is quick to start and stop, and has quick response performance; interference electromagnetic field is not generated, and the influence of electromagnetic interference signals is not generated; the device works in a low-frequency section or an ultrasonic section, and the noise is low; the device operates in a resonance or non-resonance state, so that the energy consumption is low. Because the mounting groove is the circumference and distributes, consequently a plurality of ceramic piezoelectric patches also distribute along the circumference, the silo on the drive silo mounting panel that can be stable.

Preferably, the upper end of each ceramic piezoelectric patch is detachably connected with a metal elastic sheet, the metal elastic sheet is perpendicular to the horizontal plane, and the upper end of the metal elastic sheet is detachably connected with the trough mounting plate. When the pottery piezoelectric patches vibrates, utilize metal shrapnel can with the better transmission feed trough mounting panel of power, further reduced the noise.

Preferably, the upper end and the lower end of the ceramic piezoelectric patch are provided with first waist-shaped holes for connecting the metal elastic sheet and the mounting groove, the upper end of the metal elastic sheet is provided with second waist-shaped holes for connecting the trough mounting plate, and the first waist-shaped holes and the second waist-shaped holes are arranged in an up-and-down direction. Do benefit to the position of adjusting ceramic piezoelectric patch and metal shrapnel, adjust the height of silo mounting panel then.

Preferably, the upper end of the ceramic piezoelectric patch is locked and fixed with the metal elastic sheet, top gaskets are arranged on the lower end of the metal elastic sheet and two sides of the upper end of the ceramic piezoelectric patch, and the metal elastic sheet and the top gaskets on the two sides are locked at the upper end of the ceramic piezoelectric patch through top bolts. The lower end of the metal elastic sheet and the upper end of the ceramic piezoelectric sheet are protected.

Preferably, the inner side of each metal elastic sheet is provided with a yielding groove. The installation of other components is facilitated, and the structure is compact.

Preferably, the periphery of the trough mounting plate is provided with blades the number of which is the same as that of the ceramic piezoelectric plates, and the metal elastic sheets and the side edges of the same sides of the corresponding blades are locked and fixed through elastic sheet bolts. The arrangement of the blades is beneficial to the installation of the trough installation plate and the metal elastic sheet.

Preferably, a clamping groove is formed in the blade, a clamping block is arranged on the trough mounting plate, and the blade is clamped on the clamping block and is locked and fixed through a blade bolt. The blade can be dismantled and set up, in case the blade damages, need not to change whole silo mounting panel, has improved the life of silo mounting panel.

Preferably, the bottom of the mounting grooves can be detachably connected with a fixing block, and the lower end of the ceramic piezoelectric piece is detachably connected with the same side of the fixing block.

Preferably, bottom gaskets are arranged on two sides of the lower end of the ceramic piezoelectric patch, and the ceramic piezoelectric patch and the bottom gaskets on the two sides are locked on the fixing block through bottom bolts. The lower end of the ceramic piezoelectric piece is protected.

Preferably, a bottom plate is arranged below the shell, and a damping assembly is arranged between the shell and the bottom plate.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a perspective view of the present embodiment with the housing unloaded;

fig. 3 is a bottom view of the unloaded base plate of the present embodiment.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

Referring to fig. 1-3, the multi-drive piezoelectric circular vibrator of the present embodiment includes a housing 1, the housing 1 of the present embodiment is circular, six longitudinally extending mounting grooves 2 are provided in the housing 1, the mounting grooves 2 can be set according to the requirements of the user, at least three mounting grooves are provided to ensure stability, the six mounting grooves 2 are circumferentially distributed, the bottoms of the six mounting grooves 2 can be detachably connected to a fixing block 12, each fixing block 12 is connected to a ceramic piezoelectric patch 3, the ceramic piezoelectric patches 3 are perpendicular to a horizontal plane, the lower ends of the ceramic piezoelectric patches 3 are detachably connected to the same side of the fixing block 12, specifically, bottom gaskets 13 are provided on two sides of the lower ends of the ceramic piezoelectric patches 3, and the ceramic piezoelectric patches 3 and the bottom gaskets 13 on the two sides are locked on the fixing block 12 through bottom bolts.

The upper end of every pottery piezoelectric patch 3 all can be dismantled and be connected with metal shrapnel 5, adopts top bolt locking to fix, and metal shrapnel 5 is perpendicular with the horizontal plane, and the both sides of 5 lower extremes of metal shrapnel and 3 upper ends of pottery piezoelectric patch all are provided with top gasket 14, and the top gasket 14 of metal shrapnel 5 and both sides all locks the upper end at pottery piezoelectric patch 3 through the top bolt.

The upper end of metal shrapnel 5 can be dismantled with a silo mounting panel 4 and be connected, and silo mounting panel 4 top is used for connecting the vibration dish, and the periphery of silo mounting panel 4 is provided with the blade 9 unanimous with 3 quantity of ceramic piezoelectric patches, and six metal shrapnels 5 are fixed with the side of the same one side of six blades 9 rather than corresponding through shell fragment bolt locking.

When the ceramic piezoelectric patch 3 is electrified, the ceramic piezoelectric patch 3 drives the trough mounting plate 4 to move in the circumferential direction. In the embodiment, the ceramic piezoelectric plate 3 is used as a novel vibration feeding device of a driving source, the inverse piezoelectric effect of the piezoelectric plate is used for generating vibration, the vibration is used as the driving source to drive the trough to convey materials, and the piezoelectric vibration disk saves more than 60% of energy than an electromagnetic vibration disk. And has the following advantages: the structure is simple, and the installation and the maintenance are more convenient; (2) The piezoelectric sheet is used as a driving source, a mechanical transmission part of a motor is not needed, the structure is simple, and the processing and the manufacturing are easy; (3) The device has no rotation inertia, almost has no acceleration and deceleration processes, is quick to start and stop, and has quick response performance; (4) Interference electromagnetic field is not generated, and the influence of electromagnetic interference signals is not generated; (5) the working is carried out in a low-frequency section or an ultrasonic section, and the noise is low; (6) The device is operated in a resonance or non-resonance state, so that the energy consumption is low.

In addition, in order to be favorable to adjusting the height position of silo mounting panel 4, then the upper end and the lower extreme of ceramic piezoelectric element 3 are provided with the first waist type hole 6 that is used for connecting metal shrapnel 5 and the fixed block 12 of mounting groove 2 bottom, and metal shrapnel 5 upper end is provided with the second waist type hole 7 that is used for connecting silo mounting panel 4, and first waist type hole 6, second waist type hole 7 are the upper and lower trend setting. When the adjustment is needed, the corresponding bolts are loosened respectively, and the height of the trough mounting plate 4 can be adjusted.

In addition, in order to facilitate the installation of other components, the inner side of each metal elastic sheet 5 is provided with a yielding groove 8, so that the structure is compact.

In this embodiment, the blade 9 is provided with a clamping groove 10, the trough mounting plate 4 is provided with a clamping block 11, and the blade 9 is clamped on the clamping block 11 and is locked and fixed by a blade bolt. In case damage can change the blade at any time, need not to change the monoblock silo mounting panel.

In order to achieve the effects of damping and eliminating sound, a bottom plate 15 is arranged below the shell 1, and a damping assembly 16 is arranged between the shell 1 and the bottom plate 15.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A multi-drive piezoelectric circular vibrator comprises a shell (1), and is characterized in that: be provided with a plurality of longitudinal extension's mounting groove (2) in casing (1), it is a plurality of mounting groove (2) are the circumference and distribute, and the bottom of every mounting groove (2) is fixed with pottery piezoelectric patches (3), pottery piezoelectric patches (3) are perpendicular with the horizontal plane, the upper end and silo mounting panel (4) of pottery piezoelectric patches (3) are connected fixedly, silo mounting panel (4) top is used for connecting the vibration dish, works as pottery piezoelectric patches (3) circular telegram, pottery piezoelectric patches (3) drive silo mounting panel (4) at circumferencial direction reciprocating motion.

2. The multi-drive piezoelectric circular vibrator according to claim 1, wherein: the upper end of each ceramic piezoelectric patch (3) is detachably connected with a metal elastic sheet (5), the metal elastic sheet (5) is perpendicular to the horizontal plane, and the upper end of the metal elastic sheet (5) is detachably connected with the trough mounting plate (4).

3. The multi-drive piezoelectric circular vibrator according to claim 2, wherein: the upper end and the lower extreme of pottery piezoelectric patch (3) are provided with first waist type hole (6) that are used for connecting metal shrapnel (5) and mounting groove (2), metal shrapnel (5) upper end is provided with second waist type hole (7) that are used for connecting silo mounting panel (4), first waist type hole (6), second waist type hole (7) are the trend setting from top to bottom.

4. The multi-drive piezoelectric circular vibrator according to claim 2, wherein: the upper end of the ceramic piezoelectric patch (3) is locked and fixed with the metal elastic sheet (5), top gaskets (14) are arranged on the lower end of the metal elastic sheet (5) and on two sides of the upper end of the ceramic piezoelectric patch (3), and the metal elastic sheet (5) and the top gaskets (14) on the two sides are locked on the upper end of the ceramic piezoelectric patch (3) through top bolts.

5. The multi-drive piezoelectric circular vibrator according to claim 2, wherein: and a yielding groove (8) is formed in the inner side of each metal elastic sheet (5).

6. The multi-drive piezoelectric circular vibrator according to claim 2, wherein: the periphery of the trough mounting plate (4) is provided with a plurality of blades (9) the number of which is consistent with that of the ceramic piezoelectric sheets (3), and the plurality of metal elastic sheets (5) and the plurality of blades (9) corresponding to the metal elastic sheets are locked and fixed at the same side edge through elastic sheet bolts.

7. The multi-drive piezoelectric circular vibrator of claim 6, wherein: be provided with draw-in groove (10) on blade (9), be provided with fixture block (11) on silo mounting panel (4), blade (9) card is established on fixture block (11) and is locked through the blade bolt and fix.

8. The multi-drive piezoelectric circular vibrator according to claim 1, wherein: the bottom of the mounting grooves (2) can be detachably connected with the fixing block (12), and the lower end of the ceramic piezoelectric sheet (3) is detachably connected with the same side of the fixing block (12).

9. The multi-drive piezoelectric circular vibrator according to claim 8, wherein: bottom gaskets (13) are arranged on two sides of the lower end of the ceramic piezoelectric sheet (3), and the ceramic piezoelectric sheet and the bottom gaskets (13) on the two sides are locked on the fixing block (12) through bottom bolts.

10. The multi-drive piezoelectric circular vibrator according to claim 1, wherein: a bottom plate (15) is arranged below the shell (1), and a damping component (16) is arranged between the shell (1) and the bottom plate (15).