CN215877452U - High-frequency X, Y plane vibration mechanism - Google Patents

Abstract

The utility model relates to a high-frequency X, Y plane vibration mechanism, which comprises a motor body, a motion surrounding baffle around the motor body and a supporting structure; the motor body comprises a stator and a rotor; the upper cover of the mover is a high-frequency vibrating plate, and an x-direction magnet group and a y-direction magnet group are arranged on the inner surface of the high-frequency vibrating plate; the stator comprises a bottom plate, an x-direction coil group and a y-direction coil group, wherein the x-direction coil group is arranged on the bottom plate and corresponds to the x-direction magnet group, and the y-direction coil group corresponds to the y-direction magnet group; each motion enclosure is arranged around the high-frequency vibrating plate, and the lower part of each motion enclosure is fixedly connected with the side wall of the bottom plate; at least three support structures are fixed on the edge of the bottom plate, and the top end of the support structures supports the high-frequency vibration plate in a floating mode. The utility model can install the needed experimental article on the high-frequency vibrating plate, can achieve the effect of shaking and mixing under the high-speed reciprocating motion of the plane of the high-frequency vibrating plate X, Y, and has the advantages of high integration level and miniaturized structure.

Description

High-frequency X, Y plane vibration mechanism

The technical field is as follows:

the utility model belongs to the technical field of high-frequency X, Y plane vibration mechanisms, and is suitable for medical treatment or other experimental machine equipment needing high-frequency vibration mixing.

Background art:

there are many industries, such as the medical industry, which require shaking mixing experiments on reagents or drugs in order to observe and analyze their effects. However, at present, most of experimenters need to shake reagent bottles filled with reagents or medicines manually to perform mixing experiments, and the efficiency is low.

The utility model content is as follows:

the utility model aims to provide a high-frequency X, Y plane vibration mechanism which can achieve the effect of shaking and mixing through mechanical vibration and has high efficiency.

In order to solve the technical problem, the high-frequency X, Y plane vibration mechanism comprises a motor body, a motion surrounding baffle arranged around the motor body and a supporting structure; the motor body comprises a stator and a rotor; the upper cover of the mover is a high-frequency vibrating plate, and an x-direction magnet group and a y-direction magnet group are arranged on the inner surface of the high-frequency vibrating plate; the stator comprises a bottom plate, an x-direction coil group and a y-direction coil group, wherein the x-direction coil group is arranged on the bottom plate and corresponds to the x-direction magnet group, and the y-direction coil group corresponds to the y-direction magnet group; each motion enclosure is arranged around the high-frequency vibrating plate, and the lower part of each motion enclosure is fixedly connected with the side wall of the bottom plate; at least three support structures are fixed on the edge of the bottom plate, and the top end of the support structures supports the high-frequency vibration plate in a floating mode.

The supporting structure adopts a universal ball bearing; the lower end of the universal ball bearing is fixedly connected with four corners of a bottom plate of the stator, and the balls at the top end float and support the high-frequency vibration plate.

The high-frequency vibrating plate is provided with a plurality of mounting holes.

Further, the present invention also includes a drive terminal; the driving terminal is arranged on one of the motion baffles; the drive terminal connects the motor body and the external driver.

Furthermore, the utility model also comprises a fixed base; the motor body is fixed on the fixed base through a bottom plate of the motor body.

Furthermore, the utility model also comprises four limit pins; the motion surrounding baffle is movably connected with the high-frequency vibrating plate through a limiting pin.

Two x-direction magnet groups are arranged on one diagonal line of the inner surface of the high-frequency vibrating plate, and two y-direction magnet groups are arranged on the other diagonal line of the inner surface of the high-frequency vibrating plate; the two x-direction magnet groups and the y-direction magnet groups have the same structure; the stator comprises an aluminum bottom plate, an x-direction coil group corresponding to the two x-direction magnet groups and a y-direction coil group corresponding to the two y-direction magnet groups.

The x-direction magnet group is fixed on a magnet back iron, and the magnet back iron is installed and fixed on the high-frequency vibrating plate; the x-direction magnet group comprises four permanent magnets, namely an upper permanent magnet of type I, a lower permanent magnet of type II, an upper permanent magnet of type II and a lower permanent magnet of type I, which are sequentially arranged and adhered on the magnet back iron; the upper permanent magnet of class I and the upper permanent magnet of class II generate an upward magnetic field, and the lower permanent magnet of class I and the lower permanent magnet of class II generate a downward magnetic field.

The y-direction coil group comprises a silicon steel sheet, a trapezoidal pin, insulating paper and three coils; the silicon steel sheet is made of high-permeability low-eddy current material, and the upper part of the silicon steel sheet is provided with three bulges which are the same with the arrangement direction of the four permanent magnets in the y-direction magnet group; the three coils are sleeved on the three bulges in a pair, and the coils are isolated from the bulges by insulating paper; the silicon steel sheet is glued and fixed with the trapezoidal pin together, and the trapezoidal pin is fixed on the bottom plate.

The silicon steel sheet, the trapezoidal pin, the insulating paper and the three coils are encapsulated into a whole by epoxy resin to form the modularized stator.

The utility model provides a high-frequency X, Y plane vibration mechanism, which can be used for mounting a required experimental article on a high-frequency vibration plate and achieving the effect of shaking and mixing under the high-speed reciprocating motion of a high-frequency vibration plate X, Y plane. The utility model has the advantages of high integration level and miniaturized structure.

Description of the drawings:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a perspective view of a mover of the motor body.

FIG. 5 is a plan view of the high frequency diaphragm of the present invention taken out.

Fig. 6 is a cross-sectional view of the present invention.

Fig. 7 is a partial perspective view of a stator of the motor body.

In the figure: 1. an electric machine body; 111. a base plate; 1111. a side wall; 113. 115, x-direction coil group; 1121. silicon steel sheets; 1122. ladder pins 1123, insulating paper 1124, 1125, 1126, coil; 1127. an epoxy resin; 112. 114, y-direction coil group; 121. a high-frequency vibrating plate; 1211. mounting holes; 122. 124, x-direction magnet group; 1221. a class I upper permanent magnet; 1222. A lower permanent magnet of class II; 1223. a class II upper permanent magnet; 1224. a lower permanent magnet of class I; 123. 125, y-direction magnet group; 126. back iron of the magnet; 2. a motion fence; 3. a limit pin; 4. a ball-transfer bearing; 5. a drive terminal; 6. and fixing the base.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the following drawings and examples, it being understood that the specific embodiments described herein are illustrative of the utility model only and are not limiting. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be specifically understood in specific cases by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," or "beneath" a second feature includes the first feature being directly under or obliquely below the second feature, or simply means that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the high-frequency X, Y planar vibration mechanism of the utility model comprises a motor body 1, a motion surrounding baffle 2 around the motor body 1, a limit pin 3, a universal ball bearing 4, a driving terminal 5 and a fixed base 6.

As shown in fig. 1, a coil capable of generating an alternating magnetic field is arranged in the motor body 1; when the rotor is electrified, the rotor interacts with the stator magnetic field in the air gap to generate thrust, so that the rotor makes reciprocating linear motion in the X direction and/or the Y direction, and high-frequency X, Y plane vibration is realized.

As shown in fig. 4, the upper cover of the mover is a high frequency vibration plate 121; the high-frequency vibrating plate 121 is provided with 9 mounting holes for connecting with the object to be vibrated; four magnet groups, namely two x-direction magnet groups 122 and 124 arranged on one diagonal line of the high-frequency vibrating plate 121 and two y- direction magnet groups 123 and 125 arranged on the other diagonal line of the high-frequency vibrating plate 121, are arranged on the inner surface of the high-frequency vibrating plate 121; the x-direction magnet groups 122 and 124 are stressed to do x-direction reciprocating linear motion, and the y- direction magnet groups 123 and 125 are stressed to do y-direction reciprocating linear motion; the x-direction magnet group 122 is fixed on a magnet back iron 126, and the magnet back iron 126 is fixed on the high-frequency vibrating plate 121 through screw installation; the x-direction magnet group 122 includes four permanent magnets, i.e., a class I upper permanent magnet 1221, a class II lower permanent magnet 1222, a class II upper permanent magnet 1223, and a class I lower permanent magnet 1224; the group I upper permanent magnet 1221, the group II lower permanent magnet 1222, the group II upper permanent magnet 1223, and the group I lower permanent magnet 1224 are sequentially attached to the magnet back iron 126 by glue, the group I upper permanent magnet 1221 and the group II upper permanent magnet 1223 generate an upper directional magnetic field, and the group I lower permanent magnet 1224 and the group II lower permanent magnet 1222 generate a lower directional magnetic field. The x-direction magnet group 124 and the two y- direction magnet groups 123 and 125 are mounted and fixed to the diaphragm 121 via a magnet back iron, similarly to the x-direction magnet group 122.

As shown in fig. 5 and 6, the stator includes a cylindrical bottom plate 111 made of aluminum and having four side walls 1111, x-direction coil groups 113 and 115 corresponding to the two x-direction magnet groups 122 and 124, and y- direction coil groups 112 and 114 corresponding to the two y- direction magnet groups 123 and 125. The four coil groups have the same structure and are all fixed inside the cylindrical bottom plate 111.

As shown in fig. 7, the y-direction coil assembly 112 includes a silicon steel sheet 1121, a trapezoidal pin 1122, an insulating paper 1123, three coils 1124, 1125, 1126; silicon steel sheet 1121 is made of high magnetic permeability low eddy current material, and its upper portion has three protrusions which are identical to the arrangement direction of four permanent magnets in y-direction magnet group 123; a pair of three coils 1124, 1125 and 1126 are sleeved on the three bulges, and the coils are isolated from the bulges by insulating paper 1123; the ladder pin 1122 is made of No. 10 steel; silicon steel sheet 1121 and trapezoidal pin 1122 are fixed together by gluing, and trapezoidal pin 1122 is fixed on bottom plate 111 through a screw; silicon steel sheet 1121, trapezoidal pin 1122, insulating paper 1123, and three coils 1124, 1125, 1126 are potted in epoxy resin 1127 to form a modular stator.

As shown in fig. 1 and 6, the lower parts of the four motion barriers 2 are fixedly connected with the side wall 1111 of the bottom plate 111 through screws, so as to prevent the high-frequency vibrating plate 121 from exceeding the motion range; a limiting pin 3 is fixed on the motion surrounding baffle 2, and the other end of the limiting pin 3 is inserted into a hole on the side surface of the high-frequency vibrating plate 121; for limiting the range of motion of the high-frequency vibrating plate 121 and preventing the high-frequency vibrating plate 121 from being accidentally bounced; the lower ends of the four universal ball bearings 4 are fixedly connected with four corners of the bottom plate 111 of the stator, and the balls at the top ends support the high-frequency vibration plate 121 in a floating manner, so that the high-frequency vibration plate can freely move in the horizontal direction; the drive terminal 5 is arranged on one of the motion barriers 2; the drive terminal 5 is connected to the motor body 1 and an external driver, and the driver drives the motor body to vibrate in the XY direction at a high frequency. The fixed base 6 is used for fixing the integral structure of the fixed base on the platform.

The utility model is not limited to the above-described embodiments, but the support structure may also be a polygon prism or a cylinder, on which the balls are arranged. The lower end of the supporting structure can be connected with the stator bottom plate and can also be connected with the fixed base; the drive terminals 5 may also be provided at other locations, such as on a base plate or on a fixed base; the x-direction magnet group and the y-direction magnet group, and the x-direction coil group and the y-direction coil group can also adopt other arrangement modes as long as the high-frequency vibration plate can vibrate in X, Y two directions; it is reasonably anticipated that one skilled in the art could make many simple variations on the present invention.

Claims (10)

1. A high-frequency X, Y plane vibration mechanism is characterized by comprising a motor body (1), a motion surrounding baffle (2) around the motor body (1) and a supporting structure; the motor body (1) comprises a stator and a rotor; the upper cover of the mover is a high-frequency vibration plate (121), and an x-direction magnet group and a y-direction magnet group are arranged on the inner surface of the high-frequency vibration plate (121); the stator comprises a bottom plate (111), an x-direction coil group and a y-direction coil group, wherein the x-direction coil group is installed on the bottom plate (111) and corresponds to the x-direction magnet group, and the y-direction coil group corresponds to the y-direction magnet group; each motion enclosure (2) is arranged around the high-frequency vibrating plate (121), and the lower part of the motion enclosure is fixedly connected with the side wall (1111) of the bottom plate (111); at least three support structures are fixed on the edge of the bottom plate (111), and the top end of the support structures supports the high-frequency vibration plate (121) in a floating mode.

2. A high frequency X, Y planar vibrating mechanism according to claim 1, wherein the supporting structure is a ball-and-socket bearing (4); the lower end of the universal ball bearing (4) is fixedly connected with four corners of a bottom plate (111) of the stator, and the balls at the top end float and support the high-frequency vibration plate (121).

3. The high frequency X, Y plane vibrating mechanism according to claim 1, wherein the high frequency vibrating plate (121) has a plurality of mounting holes formed therein.

4. A high frequency X, Y planar vibrating mechanism according to claim 1, further comprising a driving terminal (5); the driving terminal (5) is arranged on one of the motion enclosing barriers (2); the drive terminal (5) connects the motor body (1) and an external driver.

5. A high frequency X, Y plane vibration mechanism according to claim 1, further comprising a fixed base (6); the motor body (1) is fixed on the fixed base (6) through a bottom plate (111) of the motor body.

6. A high frequency X, Y plane vibration mechanism according to claim 1, further comprising four limit pins (3); the motion surrounding baffle (2) is movably connected with the high-frequency vibration plate (121) through a limiting pin (3).

7. A high frequency X, Y planar vibrating mechanism according to claim 1, wherein the high frequency vibrating plate (121) has two x-direction magnet sets (122), (124) disposed on one diagonal line and two y-direction magnet sets (123), (125) disposed on the other diagonal line; the two x-direction magnet groups (122) and (124) have the same structure as the y-direction magnet groups (123) and (125); the stator (11) includes an aluminum bottom plate (111), x-direction coil groups (113, 115) corresponding to the two x-direction magnet groups (122, 124), and y-direction coil groups (112, 114) corresponding to the two y-direction magnet groups (123, 125).

8. The high frequency X, Y planar vibrating mechanism according to claim 7, wherein the x-direction magnet set (122) is fixed on a magnet back iron (126), and the magnet back iron (126) is fixed on the high frequency vibrating plate (121); the x-direction magnet group (122) comprises four permanent magnets, namely a class I upper permanent magnet (1221), a class II lower permanent magnet (1222), a class II upper permanent magnet (1223) and a class I lower permanent magnet (1224), which are sequentially arranged and adhered to the magnet back iron (126); the upper permanent magnet (1221) of class I and the upper permanent magnet (1223) of class II generate an upward magnetic field, and the lower permanent magnet (1224) of class I and the lower permanent magnet (1222) of class II generate a downward magnetic field.

9. The high-frequency X, Y planar vibrating mechanism according to claim 7, wherein the y-direction coil assembly (112) includes silicon steel sheet (1121), trapezoidal pin (1122), insulating paper (1123), three coils (1124), (1125), (1126); the silicon steel sheet (1121) is made of a high-permeability low-eddy current material, and the upper part of the silicon steel sheet is provided with three protrusions which are the same as the arrangement direction of four permanent magnets in the y-direction magnet group (123); three coils (1124), (1125) and (1126) are sleeved on the three bulges in pairs, and the coils and the bulges are isolated by insulating paper (1123); the silicon steel sheet (1121) and the trapezoidal pin (1122) are fixed together in an adhesive mode, and the trapezoidal pin (1122) is fixed on the bottom plate (111).

10. The high frequency X, Y planar vibrating mechanism according to claim 9, wherein the silicon steel sheet (1121), the trapezoidal pin (1122), the insulating paper (1123), and the three coils (1124), (1125), (1126) are encapsulated by epoxy resin (1127) to form a modular stator.

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