A high-frequency voice coil motor and flexible vibrating disc for a vibrating disc

Abstract

The application relates to a high-frequency voice coil motor for a vibrating disc, which comprises a bottom plate, an upper plate, an outer magnet and a buffer piece; the bottom plate is provided with an inner magnet and a limiting piece; the outer magnet is specifically located on the upper plate and is located on the outer side of the inner magnet and the inner side of the limiting piece; the outer magnet is provided with a coil; the upper plate corresponds to the position of the limiting piece; the upper plate is movably connected with the bottom plate through the buffer piece; the buffer piece is specifically located on the outer side of the limiting piece; the limiting piece is separated from the upper plate; and the buffer piece comprises an upper part, a lower part and a middle part. The high-frequency voice coil motor for the vibrating disc improves the vibration frequency of the vibrating disc, improves the working efficiency of the flexible vibrating disc and saves the vibration time of the flexible vibrating disc.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flexible vibration plate, in particular to a high-frequency voice coil motor for vibration plate and flexible vibration plate. BACKGROUND

[0002] The voice coil motor is a special form of direct drive motor; it has the characteristics of simple structure, small size, high speed, high acceleration and fast response; its working principle is: the energized coil in the magnetic field will produce force, the size of the force is proportional to the current applied on the coil, based on this principle, the voice coil motor movement form can be linear or circular arc.

[0003] The commonly used voice coil motor cannot quickly drive the vibration plate to vibrate during use, and cannot meet the production requirements, resulting in low working efficiency of the vibration plate. SUMMARY

[0004] The purpose of the present application is to provide a high-frequency voice coil motor for vibration plate and flexible vibration plate to solve the above problems.

[0005] In order to achieve the above purpose, the present application provides the following technical scheme:

[0006] A high-frequency voice coil motor for vibration plate, comprising a bottom plate, an upper plate, an outer magnet and a buffer; the bottom plate is provided with an inner magnet and a limiting piece, the outer magnet is located on the upper plate, the outer magnet is located on the outer side of the inner magnet and the inner side of the limiting piece, the outer magnet is provided with a coil, the upper plate corresponds to the position of the limiting piece, the upper plate is movably connected with the bottom plate through the buffer, the buffer is located on the outer side of the limiting piece, the limiting piece is separated from the upper plate, and the buffer comprises an upper part, a lower part and a middle part.

[0007] Further, the upper part is connected with the upper plate, the bottom plate is connected with the lower part, the buffer is separated from the limiting piece, and the middle part is separated from the upper plate and the lower plate.

[0008] Further, the middle part is specifically composed of a rigid material, the middle part is specifically in a spiral shape, the middle part is specifically composed of an elastic material, and the cross-sectional shape of the middle part is circular, square, trapezoidal or triangular.

[0009] Further, the inner magnet and the outer magnet are concentric, the outer magnet and the limiting piece are concentric, and the outer magnet and the buffer are concentric.

[0010] Further, the inner magnet is specifically composed of a plurality of permanent magnets, the outer magnet is specifically an electromagnet, the inner magnet is located in the middle of the bottom plate, and the outer magnet is located in the middle of the upper plate.

[0011] A flexible vibration plate comprises the high-frequency voice coil motor for vibration plate and the vibration plate body according to any one of claims 1-5.

[0012] The vibration disc body is a flexible vibration disc, and the number of high-frequency voice coil motors used by the vibration disc is multiple.

[0013] The present application has the advantages that: a high-frequency voice coil motor for a vibration disc and a flexible vibration disc are provided, the bottom plate, the upper plate, the outer magnet, the buffer, the inner magnet, the limiting piece, the upper part, the lower part and the middle part are used in cooperation to manufacture a high-frequency vibration motor installed on the flexible vibration disc, the product is quickly and efficiently vibrated to separate the product, the vibration frequency of the vibration disc is improved, the working efficiency of the flexible vibration disc is improved, and the vibration time of the flexible vibration disc is saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure axonometric view of the high-frequency voice coil motor for a vibration disc.

[0015] Fig. 2 It is a partial structure axonometric view of the high-frequency voice coil motor for a vibration disc.

[0016] Fig. 3 It is another partial structure axonometric view of the high-frequency voice coil motor for a vibration disc.

[0017] Fig. 4 It is another partial structure axonometric view of the high-frequency voice coil motor for a vibration disc.

[0018] In the figure: 1, bottom plate; 2, inner magnet; 3, upper plate; 4, outer magnet; 5, limiting piece; 6, buffer; 7, upper part; 8, lower part; 9, middle part. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application clearer and more apparent, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0020] REFERENCE Figs. 1 to 4The utility model provides a high frequency voice coil motor for vibrating disc, including bottom plate 1, upper plate 3, outer magnet 4 and buffer 6, be provided with inner magnet 2 and limiting piece 5 on bottom plate 1, outer magnet 4 is specifically located on upper plate 3, for ensuring that outer magnet 4 and inner magnet 2 act make both constantly carry out the movement in the up-down direction, to drive the upper plate 3 and the flexible vibrating disc on it do the movement in the up-down direction, outer magnet 4 is specifically located the outside of inner magnet 2 and the inside of limiting piece 5, be provided with coil on outer magnet 4, for ensuring that external control system can pass the current of not pass direction to coil, to change the movement direction of outer magnet 4, upper plate 3 with limiting piece 5 position corresponding, for limiting the lower limit position of upper plate 3 movement, upper plate 3 is movably connected with bottom plate 1 through buffer 6, for buffering the flexible vibrating disc on upper plate 3 and it, prevent voice coil motor damage, buffer 6 is specifically located the outside of limiting piece 5, limiting piece 5 is separated from upper plate 3, buffer 6 includes upper part 7, lower part 8 and middle part 9, outer magnet 4 is electrically connected with external control system.

[0021] Upper part 7 is connected with upper plate 3, for buffering the pressure of upper plate 7, bottom plate 1 is connected with lower part 8, buffer 6 is separated from limiting piece 5, middle part 9 is separated from upper plate 3 and lower plate.

[0022] The middle part 9 is specifically composed of rigid material, the middle part 9 is specifically spiral, for achieving the best buffering effect, the middle part 9 is specifically composed of elastic material, for achieving the best buffering effect, the cross-sectional shape of the middle part 9 is circular, square, trapezoidal or triangular.

[0023] The inner magnet 2 and the outer magnet 4 are concentric, for ensuring the accuracy of the movement path of the outer magnet 4, the outer magnet 4 and the limiting piece 5 are concentric, for ensuring that the outer magnet 4 is evenly stressed when limited, the outer magnet 4 and the buffer 6 are concentric, for ensuring that the outer magnet 4 is evenly stressed when buffered.

[0024] The inner magnet 2 is specifically composed of a plurality of permanent magnets, the outer magnet 4 is specifically an electromagnet, the inner magnet 2 is located in the middle part 9 of the bottom plate 1, the outer magnet 4 is located in the middle part 9 of the upper plate 3, for ensuring that the upper plate 3 is evenly stressed.

[0025] A flexible vibrating disc, characterized in that: it comprises the high frequency voice coil motor for vibrating disc and the vibrating disc body according to any one of claims 1-5.

[0026] The vibrating disc body is a flexible vibrating disc, and the number of the high frequency voice coil motor for vibrating disc is multiple.

[0027] The working principle of the present application is that: when starting to use the high-frequency voice coil motor, it is installed on the flexible vibration disc, and the high-frequency voice coil motor is electrically connected with the external control system, and then the flexible vibration disc is started to be used: first, the product to be separated is placed in the flexible vibration disc, and then the relative movement between the inner magnet 2 and the outer magnet 4 is generated under the control of the external control system to drive the upper plate 3 and the flexible vibration disc on it to move, in the process, the external control system constantly changes the current direction to the outer magnet 4, thereby changing the movement direction of the outer magnet 4 and the upper plate 3, thereby realizing the movement of the flexible vibration disc in the up-down direction, the movement frequency of the flexible vibration disc is the same as the current and frequency, thereby completing the high-frequency vibration of the flexible vibration disc, in the process, the products in the flexible vibration disc are separated, and the separated products are conveniently carried to the designated position, in the process, the middle part 9 of the buffer 6 is spiral-shaped, which plays a buffering role on the upper plate 3 and the flexible vibration disc, thereby ensuring that the voice coil motor will not be damaged due to rapid vibration, and the above process is maintained until the work is completed.

[0028] The above examples are used to further illustrate the present application, but do not limit the present application to these specific embodiments. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be understood as within the protection scope of the present application.

Claims

1. A high frequency voice coil motor for a vibrating tray, characterized by: Including bottom plate (1), upper plate (3), outer magnetic (4) and buffer (6);The bottom plate (1) is provided with inner magnetic (2) and limiting piece (5), the outer magnetic (4) is specifically located on the upper plate (3), the outer magnetic (4) is specifically located on the outside of inner magnetic (2) and the inside of limiting piece (5), the outer magnetic (4) is provided with coil, the upper plate (3) corresponds with the position of limiting piece (5), the upper plate (3) is movably connected with bottom plate (1) by buffer (6), the buffer (6) is specifically located on the outside of limiting piece (5), the limiting piece (5) is separated from the upper plate (3), the buffer (6) includes upper part (7), lower part (8) and middle part (9); The upper part (7) is connected with the upper plate (3), the bottom plate (1) is connected with the lower part (8), the buffer (6) is separated from the limiting piece (5), the middle part (9) is separated from the upper plate (3) and the lower plate; The middle part (9) is specifically composed of rigid material, the middle part (9) is specifically spiral, the middle part (9) is specifically composed of elastic material, the cross section shape of the middle part (9) is circular, square, trapezoidal or triangular; The inner magnetic (2) and outer magnetic (4) are concentric, the outer magnetic (4) and limiting piece (5) are concentric, the outer magnetic (4) and buffer (6) are concentric; The inner magnetic (2) is specifically composed of a plurality of permanent magnets, the outer magnetic (4) is specifically an electromagnet, the inner magnetic (2) is located in the middle of the bottom plate (1), and the outer magnetic (4) is located in the middle of the upper plate (3).

2. A flexible vibratory bowl characterized by: The high-frequency voice coil motor for the vibration disc and the vibration disc body are included.

3. A flexible vibratory bowl as claimed in claim 2, wherein: The vibration disc body is a flexible vibration disc, and the number of the high-frequency voice coil motor for the vibration disc is multiple.

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