CN107363796B - A kind of antarafacial multi-laser beam induces the device of more vacuoles - Google Patents

Abstract

The invention relates to a device for inducing multiple cavitations with different-plane multi-laser beams, comprising an installation shaft, a central bevel gear is installed on the installation shaft through a knob of the central bevel gear, a connecting body is fixedly installed on the installation shaft 3, and the The center bevel gear is meshed with a number of branch bevel gears, each of the branch bevel gears is mounted on a branch shaft a, one end of the branch shaft a is connected with the connecting body rotating pair, and the other end is installed with a sleeve mounting seat, A sleeve is mounted on the sleeve mounting seat, and the sleeve can rotate along the sleeve mounting seat in a plane formed by the sleeve mounting seat and the central axis of the sleeve. The device of the invention is used to adjust and fix the laser beams, so that the multiple laser beams are distributed in different planes in space, so as to induce compactly distributed cavitation groups.

Description

A device for inducing multi-cavitation bubbles with different-plane multi-laser beams

technical field

The invention relates to a device and a method for inducing multiple cavitation bubbles by multi-laser beams in different planes, and belongs to the field of optics.

Background technique

The method of laser-induced cavitation is to focus the laser in the liquid, causing the cavitation generated by the change of the properties of the liquid in the focused area. Multiple laser beams can induce multiple cavitations. The device for inducing cavitation by a laser beam is mainly used in the laser optical path system to generate and adjust the beam, and to control the distribution and direction of the beam. The traditional related devices and methods have the following shortcomings:

Some laser equipment adopts the method of parallel beams, and the distance between each light outlet is large, so it is difficult to achieve a compact distribution of the focus of each beam to induce tight cavitation groups; The amount of space is large.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a cavitation inducing device that makes the focusing points of each beam compact, can induce compact cavitation groups, and has lower requirements for the light outlet of the laser equipment.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is as follows: a device for inducing multiple cavitations by different-plane multi-laser beams includes an installation shaft, and a center bevel gear is installed on the installation shaft through a center bevel gear knob, and a connecting body is installed on the installation shaft. It is fixedly installed on the installation shaft 3, the center bevel gear is meshed with a number of branch bevel gears, each of the branch bevel gears is installed on the branch shaft a, and one end of the branch shaft a is connected to the connecting body. The other end is installed with a sleeve mounting seat, the sleeve mounting seat is mounted with a sleeve, and the sleeve can be along the plane formed by the sleeve mounting seat and the central axis of the sleeve. The sleeve mount rotates.

In the above solution, a sleeve mounting seat locking device is also installed on the sleeve mounting seat.

In the above solution, the sleeve mounting seat is fixed on the branch shaft b, and the branch shaft b is slidably connected with the branch shaft a.

In the above solution, a branch shaft locking joint is also installed at the connection between the branch shaft b and the branch shaft a.

In the above solution, the center bevel gear knob includes a knob body and a cylindrical roller thrust bearing, the inner ring of the cylindrical roller thrust bearing is mounted on the mounting shaft, and the outer ring of the cylindrical roller thrust bearing is mounted with a center bevel gear, The knob body fixes and positions the outer ring of the cylindrical roller thrust bearing.

In the above solution, a knob body locking handle is also installed above the knob body.

The beneficial effects of the present invention are as follows: (1) A device for inducing multiple cavitations with different-plane multi-laser beams adopted in the present invention takes all the laser beams as a whole irradiated from top to bottom as the reference direction, and each laser beam is distributed in different vertical directions. In the plane, the center lines of the beams are different from each other, that is, the beams are not parallel to each other, do not intersect with each other, and the focal points are separated by a certain distance. (2) By adjusting the center bevel gear knob, the branch shaft b and the sleeve mounting seat, the laser heads on each sleeve can be presented in different vertical planes, so that the centerlines of the beams are different from each other and complement each other. (3) The device can adjust the number of branches by replacing the connecting body, with high flexibility; the device can be disassembled and assembled, and the manufacturing cost is low.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

FIG. 1 is a schematic diagram of the structure of the multi-plane multi-laser beam-induced multi-cavitation device of the present invention.

Figure 2 is a schematic diagram of the structure of the central bevel gear knob of the device of the present invention.

In the figure: 1. Center bevel gear, 2. Center bevel gear knob, 201. Knob body locking handle, 202., Knob body, 203., Cylindrical roller thrust bearing, 3. Mounting shaft, 4. Connecting body, 5, branch bevel gear, 6, branch shaft a, 7, branch shaft locking joint, 8, branch shaft b, 9, sleeve mounting seat locking device, 10, sleeve mounting seat, 11, sleeve.

Detailed ways

The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIG. 1 , a device for inducing multiple cavitations by different-plane multi-laser beams includes an installation shaft 3 and a central bevel gear knob 2. The central bevel gear knob 2 includes a knob body locking handle 201, a knob body 202 and a cylindrical roller Sub thrust bearing 203, the inner ring of the cylindrical roller thrust bearing 203 is mounted on the mounting shaft 3, the outer ring of the cylindrical roller thrust bearing 203 is mounted with a central bevel gear 1, and the knob body 202 is opposite to the cylindrical roller thrust bearing 203. The outer ring of the roller thrust bearing 203 is fixed and positioned, the knob body locking handle 201 is installed above the knob body 202, the connecting body 4 is fixedly installed on the installation shaft 3, and the center bevel gear 1 is meshed with several branches. Bevel gears 5, each of the branch bevel gears 5 is mounted on a branch shaft a6, one end of the branch shaft a6 is connected with the connecting body 4 in rotation, and the other end is connected with a sliding pair of the branch shaft b8, the branch shaft b8 A branch shaft locking joint 7 is also installed at the connection with the branch shaft a6, a sleeve mounting seat 10 is installed on the shown branch shaft b8, and a sleeve mounting seat locking device is installed on the sleeve installation seat 10 9. The sleeve mounting seat 10 is connected with a sleeve 11 , and the sleeve 11 can be along the sleeve mounting seat 10 in the plane formed by the center axis of the sleeve mounting seat 10 and the sleeve 11 . turn.

The operating principle of the present invention is as follows: loosen the knob body to lock the handle 201, manually rotate the knob body 202 to drive the central bevel gear 1 to rotate, so that the branch bevel gear 5 rotates to the required position, and then lock the body to lock the handle 201 , Loosen the branch shaft locking joint 7, slide and adjust the branch shaft b to adjust the position between it and the branch shaft a, lock the branch shaft locking joint 7 after appropriate, loosen the sleeve mounting seat locking device 9, adjust the sleeve The position between the sleeve 11 and the sleeve mounting seat 10 is such that the laser head installed on the sleeve 11 meets the specific position requirements, and then the sleeve mounting seat locking device 9 is locked, and the subsequent laser cavitation bubble processing experiments are started. .

When using the multi-plane multi-laser beam inducing multi-cavitation device of the present invention to conduct the cavitation bubble experimental operation, all laser beams are irradiated from top to bottom as a reference direction, and each laser beam is distributed in different vertical planes. The center lines of the beams are different from each other, that is, the beams are not parallel to each other and do not intersect with each other, the focal points are separated by a certain distance, and the cavitation bubbles are generated at the points where the beams focus and do not overlap each other.

The above descriptions are only embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description of the present invention, or directly or indirectly applied in other related technical fields, are the same as It is included in the protection scope of the present invention.

Claims (6)

1. A device for inducing multiple cavitations with different-plane multi-laser beams, characterized in that it comprises a mounting shaft (3), and a central bevel gear (1) is mounted on the mounting shaft (3) through a central bevel gear knob (2). The connecting body (4) is fixedly mounted on the mounting shaft (3), the center bevel gear (1) is meshed with a number of branch bevel gears (5), and each of the branch bevel gears (5) is installed On the branch shaft a ( 6 ), one end of the branch shaft a ( 6 ) is connected to the connecting body ( 4 ) in rotation, and the other end is mounted with a sleeve mounting seat ( 10 ), the sleeve mounting seat ( 10 ) ) is connected to a sleeve (11), the sleeve (11) can be installed along the sleeve in a plane formed by the sleeve mounting seat (10) and the central axis of the sleeve (11) The seat (10) turns. 2 . The device for inducing multiple cavitations by different-plane multi-laser beams according to claim 1 , wherein the sleeve mounting seat ( 10 ) is further provided with a sleeve mounting seat locking device ( 9 ). 3 . . 3 . The device for inducing multiple cavitations with different-plane multi-laser beams according to claim 1 or 2 , wherein the sleeve mounting seat ( 10 ) is fixed on the branch shaft b ( 8 ), and the The branch shaft b(8) is slidably connected with the branch shaft a(6). 4 . The device for inducing multiple cavitations with different-plane multi-laser beams according to claim 3 , wherein a connection between the branch shaft b ( 8 ) and the branch shaft a ( 6 ) is further installed with a device. 5 . Branch shaft locking joint (7). 5. A device for inducing multiple cavitations with different-plane multi-laser beams according to claim 1 or 2, wherein the central bevel gear knob (2) comprises a knob body (202) and a cylindrical roller thrust bearing (203) ), the inner ring of the cylindrical roller thrust bearing (203) is mounted on the mounting shaft (3), the outer ring of the cylindrical roller thrust bearing (203) is mounted with a central bevel gear (1), and the knob body (202) Fix and position the outer ring of the cylindrical roller thrust bearing (203). 6 . The device for inducing multiple cavitations by different-plane multi-laser beams according to claim 5 , wherein a knob body locking handle ( 201 ) is further installed above the knob body ( 202 ). 7 .