Grinding cavity body of multiple vibration sources

Abstract

The present invention discloses a grinding cavity body of multiple vibration sources, in which a plurality of ultrasonic vibration sources are disposed, capable of controlling the multi-directional macroscopic medium flow, making benefits to the vibration medium (the abrasive of the slurry) to enter the fine structure of the workpiece to be processed, and to the abrasive to vibrate itself slightly to enhance the performance of abrasive to the workpiece which needs to be ground.

Claims

1. A grinding cavity body of multiple vibration sources, comprising: a cavity body, configured to contain an abrasive slurry; and a plurality of ultrasonic vibration sources, disposed on a bottom of the cavity body, wherein the plurality of ultrasonic vibration sources are classified as strong ultrasonic vibration sources and weak ultrasonic vibration sources according to vibration frequencies, and the weak ultrasonic vibration sources are disposed outside the strong ultrasonic vibration sources; wherein the plurality of strong ultrasonic vibration sources and weak ultrasonic vibration sources respectively generate ultrasonic vibrations in two different frequencies to make the abrasive slurry flow upward from the bottom of the cavity body and spread out from the center of the cavity body.

2. The grinding cavity body of multiple vibration sources of claim 1, wherein the cavity body is polygonal with at least four sides, or cylindrical.

3. The grinding cavity body of multiple vibration sources of claim 1, wherein the vibration frequencies of the weak ultrasonic vibration sources are 10 KHz-30 KHz, and the vibration frequencies of the strong ultrasonic vibration sources are 35 KHz-50 KHz.

4. The grinding cavity body of multiple vibration sources of claim 1, wherein the plurality of ultrasonic vibration sources are arranged as a rectangle on the bottom of the cavity body.

5. The grinding cavity body of multiple vibration sources of claim 1, wherein the plurality of ultrasonic vibration sources are arranged as a circle on the bottom of the cavity body.

6. A grinding cavity body of multiple vibration sources, comprising: a cavity body, configured to contain an abrasive slurry; and a plurality of ultrasonic vibration sources, disposed on a bottom of the cavity body, wherein the plurality of ultrasonic vibration sources are classified as strong ultrasonic vibration sources and weak ultrasonic vibration sources according to vibration frequencies, and the weak ultrasonic vibration sources are disposed inside the strong ultrasonic vibration sources; wherein the plurality of strong ultrasonic vibration sources and weak ultrasonic vibration sources respectively generate ultrasonic vibrations in two different frequencies to make the abrasive slurry flow upward from the bottom of the cavity body and converge toward a center of the cavity body.

7. The grinding cavity body of multiple vibration sources of claim 6, wherein the cavity body is polygonal with at least four sides, or cylindrical.

8. The grinding cavity body of multiple vibration sources of claim 6, wherein the vibration frequencies of the weak ultrasonic vibration sources are 10 KHz-30 KHz, and the vibration frequencies of the strong ultrasonic vibration sources are 35 KHz-50 KHz.

9. The grinding cavity body of multiple vibration sources of claim 6, wherein the plurality of ultrasonic vibration sources are arranged as a rectangle on the bottom of the cavity body.

10. The grinding cavity body of multiple vibration sources of claim 6, wherein the plurality of ultrasonic vibration sources are arranged as a circle on the bottom of the cavity body.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a first embodiment of the present invention

(2) FIG. 2 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a second embodiment of the present invention.

(3) FIG. 3 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a third embodiment of the present invention.

(4) FIG. 4 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a fourth embodiment of the present invention.

DETAILED DESCRIPTION

(5) The embodiments stated below are utilized for illustrating the concept of the present application. Those skilled in the art can readily understand the advantages and effects of the present invention disclosed by the application.

(6) FIG. 1 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a first embodiment of the present invention. The first embodiment comprises: a cuboid cavity body 11, configured to contain an abrasive slurry; at least one strong ultrasonic source 121, disposed at a center of a bottom of the cuboid cavity body 11, wherein the vibration frequency of the strong ultrasonic vibration sources 121 is at 35 KHz-50 KHz; and at least two weak ultrasonic vibration sources 122, disposed on the bottom of the cuboid cavity body 11, located on both sides of the plurality of strong ultrasonic vibration sources 121, wherein the vibration frequencies of the weak ultrasonic vibration sources 122 are at 10 KHz-30 KHz; wherein the plurality of strong ultrasonic vibration sources 121 and the plurality of weak ultrasonic vibration sources 122 are arranged as a rectangle on the bottom of the cuboid cavity body 11, the plurality of strong ultrasonic vibration sources 121 and the plurality of weak ultrasonic vibration sources 122 generate ultrasonic vibrations to make the abrasive slurry in the cuboid cavity body 11 flow upward from the bottom of the cuboid cavity body 11 and spread out from the center of the cuboid cavity body 11 (as shown in FIG. 1).

(7) FIG. 2 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a second embodiment of the present invention. The second embodiment comprises: a cavity body 21 (which may be cylindrical or cuboid), configured to contain an abrasive slurry; at least one strong ultrasonic vibration source 221, disposed at a center of a bottom of the cavity body 21, wherein the vibration frequency of the strong ultrasonic vibration source 221 is at 35 KHz-50 KHz; and at least two weak ultrasonic vibration sources 222, disposed on the bottom of the cavity body 21, located around the strong ultrasonic vibration source 221, wherein the vibration frequencies of the weak ultrasonic vibration sources 222 are at 10 KHz-30 KHz; wherein the strong ultrasonic vibration source 221 and the plurality of weak ultrasonic vibration sources 222 are arranged as a circle on the bottom of the cavity body 21, the strong ultrasonic vibration source 221 and the plurality of weak ultrasonic vibration sources 222 generate ultrasonic vibrations to make the abrasive slurry in the cavity body 21 flow upward from the bottom of the cavity body 21 and spread out from the center of the cavity body 21.

(8) FIG. 3 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a third embodiment of the present invention. The third embodiment comprises: a cuboid cavity body 31, configured to contain an abrasive slurry; at least one weak ultrasonic source 322, disposed at a bottom of the cuboid cavity body 31, wherein the vibration frequency of the weak ultrasonic vibration source 322 is at 10 KHz-30 KHz; and at least two strong ultrasonic vibration sources 321, disposed on the bottom of the cuboid cavity body 31, located on both sides of the weak ultrasonic vibration source 322, wherein the vibration frequencies of the strong ultrasonic vibration sources 321 are at 35 KHz-50 KHz; wherein the plurality of strong ultrasonic vibration sources 321 and the weak ultrasonic vibration source 322 are arranged as a rectangle on the bottom of the cuboid cavity body 31, the plurality of strong ultrasonic vibration sources 321 and the weak ultrasonic vibration source 322 generate ultrasonic vibrations to make the abrasive slurry in the cuboid cavity body 31 flow upward from the bottom of the cuboid cavity body 31 and converge toward the center of the cuboid cavity body 31 (as shown in FIG. 3).

(9) FIG. 4 is a schematic diagram of a grinding cavity body of multiple vibration sources according to a fourth embodiment of the present invention. The fourth embodiment comprises: a cavity body 41 (which may be cylindrical or cuboid), configured to contain an abrasive slurry; at least one weak ultrasonic vibration source 422, disposed at a center of a bottom of the cavity body 41, wherein the vibration frequency of the weak ultrasonic vibration source 422 is at 10 KHz-30 KHz; and at least two strong ultrasonic vibration sources 421, disposed on the bottom of the cavity body 41, located around the weak ultrasonic vibration source 422, wherein the vibration frequencies of the strong ultrasonic vibration sources 421 are at 35 KHz-50 KHz; wherein the plurality of strong ultrasonic vibration sources 421 and the weak ultrasonic vibration source 422 are arranged as a circle on the bottom of the cavity body 41, the plurality of strong ultrasonic vibration sources 421 and the weak ultrasonic vibration source 422 generate ultrasonic vibrations to make the abrasive slurry in the cavity body 41 flow upward from the bottom of the cavity body 41 and converge toward the center of the cavity body 41.

(10) Therefore, the present invention provides a grinding cavity body of multiple vibration sources and a new control method for vibration grinding cavity body with multi-directional flow pattern. Different from applying a single motor as a vibration source in the prior art, the present invention includes at least a vibration source in the bottom of the cavity body (which may be cylindrical or cuboid), and controls amplitudes (power) and frequencies of the at least one vibration sources (comprising high-frequency vibration sources, such as ultrasonic), such that the multi-directional macroscopic flow is formed in the cavity body while keeping the vibration medium to have the characteristics of the original micro vibrator. A grinding cavity body of multiple vibration sources of the present invention helps the vibration medium (the abrasive of the slurry) to enter the fine structure of the workpiece to be processed, and allows the abrasive to generate slight vibration itself, so as to enhance the grinding efficiency between the abrasive and the workpiece to be ground. The present invention may be applied for surface polishing, deflashing, chamfering, deburring, rust removing, grinding, polishing, gloss finish, plating pretreatment, vibration polish in color, or other purposes of the surface treatment.

(11) The foregoing embodiments are not intended to limit the present application. Those skilled in the art may make modifications and alterations accordingly and not limited herein. Therefore, the scope of the present invention should be as listed in the scope of the claims mentioned below.

(12) Those skilled in the art will readily observe that numerous modifications and alterations of the device and method may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.