阅读说明：本技术 一种光电协同催化胶体射流喷嘴 (Photoelectricity concerted catalysis colloid jet nozzle ) 是由 宋孝宗 王继波 于 2020-03-04 设计创作，主要内容包括：一种光电协同催化胶体射流喷嘴,属于射流加工超光滑表面技术领域,涉及包括上喷嘴体、下喷嘴体、高压密封圈、紧固螺栓、导电玻璃镜片、光纤准直器接头、阳极接线柱、阴极铜板及接线柱。导电玻璃镜片与高压密封圈安装在所述上喷嘴体与下喷嘴体之间,上喷嘴体与下喷嘴体通过紧固螺栓压紧高压密封圈实现密封。上喷嘴体中间有一螺纹通孔与所述光纤准直器接头进行螺纹连接。下喷嘴体包括内腔、两个胶体入口和一个胶体出口。阳极接线柱通过上喷嘴体上的偏心贯通口与导电玻璃镜片连接,阴极铜板及接线柱为一体。该光电协同催化胶体射流喷嘴可使胶体射流束中光催化产生的光生电子-空穴对分别定向迁移、分离,大幅提高射流抛光中的光催化效果。(The utility model provides a photoelectricity is catalysis colloid jet nozzle in coordination, belongs to the super smooth surface technical field of efflux processing, relates to including last nozzle body, lower nozzle body, high-pressure seal circle, fastening bolt, conductive glass lens, optical collimator joint, positive pole terminal, negative pole copper and terminal. The conductive glass lens and the high-pressure sealing ring are arranged between the upper nozzle body and the lower nozzle body, and the upper nozzle body and the lower nozzle body are tightly pressed by the high-pressure sealing ring through fastening bolts to realize sealing. The middle of the upper nozzle body is provided with a threaded through hole which is in threaded connection with the optical fiber collimator joint. The lower nozzle body comprises an inner cavity, two colloid inlets and a colloid outlet. The anode binding post is connected with the conductive glass lens through an eccentric through hole on the upper nozzle body, and the cathode copper plate and the binding post are integrated. The photoelectricity concerted catalysis colloid jet flow nozzle can enable photo-generated electron-hole pairs generated by photocatalysis in colloid jet flow beams to be respectively directionally moved and separated, and the photocatalysis effect in jet flow polishing is greatly improved.)

1. A photoelectricity concerted catalysis colloid jet nozzle comprises an optical fiber collimator joint (1), an anode binding post (2), an upper nozzle body (3), a conductive glass lens (4), a high-pressure sealing ring (5), a lower nozzle body (6), a cathode copper plate, a binding post (7) and a fastening bolt (8), and is characterized in that the conductive glass lens (4) and the high-pressure sealing ring (5) are arranged between the upper nozzle body (3) and the lower nozzle body (6), and the high-pressure sealing ring (5) between the upper nozzle body (3) and the lower nozzle body (6) is compressed through the fastening bolt (8); the center of the upper nozzle body (3) is provided with a threaded through hole (9) which is connected with the optical fiber collimator joint (1) through threads, and the optical fiber collimator joint (1) is externally connected with an optical fiber; an eccentric through hole (10) is formed beside a central threaded through hole (9) of the upper nozzle body (3), the anode binding post (2) is connected with the conductive glass lens (4) through the eccentric through hole (10), the anode binding post (2) is an eccentric copper column, a lower bottom column of the anode binding post (2) is in interference fit with the eccentric through hole (10), and the bottom surface of the lower bottom column of the anode binding post (2) is in zero-clearance tight contact with the conductive glass lens (4); the anode binding post (2) is connected with the anode of the catalytic power supply; the lower nozzle body (6) comprises an inner cavity, two colloid inlets (14) and a colloid outlet (17), wherein the inner cavity and the colloid outlet (17) are coaxial with the lower nozzle body (6), and the two colloid inlets (14) are vertically, eccentrically and oppositely distributed on the side surface of the lower nozzle body (6); the inner cavity of the lower nozzle body is divided into a basic section (13), a contraction section (15) and a rectification section (16), wherein the basic section (13) and the rectification section (16) are cylindrical, the contraction section (15) is conical or cosine-shaped, and the rectification section (16) is connected with a colloid outlet (17); the cathode copper plate and the binding post (7) are of an integrated eccentric structure and are connected with the negative electrode of the catalytic power supply.

2. The photo-electrocatalytic colloid jet nozzle as set forth in claim 1, wherein: the conductive glass lens (4) has good light guide property and good conductive property, the upper nozzle body (3) and the lower nozzle body (6) are required to be non-conductive insulators, the photoelectric synergetic catalytic colloid jet nozzle adopts visible light as a catalytic light source, and colloid jet is required to be fully coupled with the visible catalytic light in a nozzle cavity to generate photoproduction electron-hole pairs, and the photoproduction electron-hole pairs are separated.

3. The photo-electrocatalytic colloid jet nozzle according to claim 2, characterized in that the conductive glass lens (4) materials are surface conductive layer glass, i.e. indium tin oxide transparent conductive film glass and volume conductive glass, i.e. containing alkaline oxides, titanium oxides, preferably indium tin oxide transparent conductive film glass; the lens is a convex lens and a plane lens, and the convex lens is preferred.

4. Photoelectrocatalytic colloid jet nozzle according to claim 2, wherein the upper nozzle body (3) and the lower nozzle body (6) are made of a ceramic material and a surface-treated stainless steel material, preferably a surface-treated stainless steel material; when the stainless steel material subjected to surface treatment is selected, the surface treatment method comprises the following steps: by electrophoretic coating, electrostatic spraying, laser coating, chemical vapor deposition, oxidation, passivation andthe phosphating method generates A1 on the inner and outer surfaces of the stainless steel upper nozzle body (3) and the stainless steel lower nozzle body (6)₂O₃、MgO、ZnO、NiO、AlN、Si₃N₄BN and SiC insulating layers.

5. The photoelectricity coordinated catalysis colloid fluidic nozzle of claim 2, characterized in that the optical fiber collimator joint (1) introduces the visible light transmitted from the catalysis light source into the conductive glass lens (4) in approximately parallel light and then enters the photoelectricity coordinated catalysis nozzle cavity.

6. The photoelectricity coordinated catalysis colloid jet nozzle according to claim 2, characterized in that colloid enters a basic section (13) in a nozzle cavity through two colloid inlets (14) which are eccentrically arranged, colloid vortex is formed, the colloid moves in a spiral track, is accelerated through a contraction section (15) and then reaches a rectification section (16), the colloid is sufficiently coupled with visible catalytic light in the nozzle cavity, photo-generated electron-hole pairs are generated, and finally the colloid is sprayed on the surface of a workpiece through a colloid outlet (17).

7. The photoelectricity concerted catalysis colloid jet nozzle of claim 1 and claim 2, characterized in that after the catalysis power supply is connected, an electric field loop is generated between the conductive glass lens (4) and the metal copper plate (7), and the electric field action enables the photoproduction electron-hole pairs generated by the catalysis light field in the colloid jet beam to respectively migrate directionally, thereby separating the photoproduction electron-hole pairs.

Technical Field

The invention relates to a technology for processing an ultra-smooth surface by jet flow, in particular to a photoelectric synergistic catalytic colloid jet flow nozzle structure.

Background

In order to meet the requirement of efficient manufacturing of ultra-smooth and damage-free surfaces of key parts in the modern high-precision tip field, a focusing ultraviolet light and nanoparticle colloid jet flow coupling nozzle (publication No. CN202498453U, published: 2012.10.24) is provided in Songxiazong. The nozzle is used as a key part for colloid jet processing, the nano particle colloid jet beam and the focused ultraviolet beam can be coupled to form a high-speed ultraviolet light coupled nano particle colloid jet beam, the high-speed ultraviolet light coupled nano particle colloid jet beam is sprayed to a region to be processed on the surface of a workpiece to polish the workpiece, a large number of photo-generated electrons-holes are generated by the photochemical action of ultraviolet light, the chemical reaction probability of nano particles in the colloid jet and the surface of the workpiece can be improved, and therefore the polishing efficiency of the workpiece is improved. However, in the prior art, a large number of photo-generated electron-hole pairs generated by focusing ultraviolet light and ultraviolet light induction in the nanoparticle colloid jet flow coupling nozzle are quickly recombined in a colloid jet flow beam, so that the photocatalysis effect of the nozzle is not ideal.

Disclosure of Invention

The invention aims to provide a photoelectric concerted catalysis colloid jet nozzle.

The invention relates to a photoelectric synergetic catalytic colloid jet nozzle which comprises an optical fiber collimator joint 1, an anode binding post 2, an upper nozzle body 3, a conductive glass lens 4, a high-pressure sealing ring 5, a lower nozzle body 6, a cathode copper plate, a binding post 7 and a fastening bolt 8, wherein the conductive glass lens 4 and the high-pressure sealing ring 5 are arranged between the upper nozzle body 3 and the lower nozzle body 6, and the high-pressure sealing ring 5 between the upper nozzle body 3 and the lower nozzle body 6 is pressed tightly through the fastening bolt 8; the center of the upper nozzle body 3 is provided with a threaded through hole 9 which is connected with the optical fiber collimator joint 1 through threads, and the optical fiber collimator joint 1 is externally connected with an optical fiber; an eccentric through hole 10 is formed beside a central threaded through hole 9 of the upper nozzle body 3, the anode terminal 2 is connected with the conductive glass lens 4 through the eccentric through hole 10, the anode terminal 2 is an eccentric copper column, a lower bottom column of the anode terminal 2 is in interference fit with the eccentric through hole 10, and the bottom surface of the lower bottom column of the anode terminal 2 is in zero-clearance tight contact with the conductive glass lens 4; the anode binding post 2 is connected with the anode of the catalytic power supply; the lower nozzle body 6 comprises an inner cavity, two colloid inlets 14 and a colloid outlet 17, wherein the inner cavity and the colloid outlet 17 are coaxial with the lower nozzle body 6, and the two colloid inlets 4 are vertically, eccentrically and oppositely distributed on the side surface of the lower nozzle body 6; the inner cavity of the lower nozzle body is divided into three parts, namely a basic section 13, a contraction section 15 and a rectification section 16, wherein the basic section 13 and the rectification section 16 are cylindrical, the contraction section 15 is conical or cosine-shaped, and the rectification section 16 is connected with a colloid outlet 17; the cathode copper plate and the binding post 7 are of an integrated eccentric structure and are connected with the negative electrode of the catalytic power supply.

The invention has the advantages that: the photoelectricity synergetic catalysis colloid jet nozzle organically couples a colloid jet flow pressure field, a catalysis light field and a catalysis electric field to form a whole. An electric field loop is generated between the conductive glass lens and the metal copper plate, and photoproduction electron-hole pairs generated by a catalytic optical field in the colloid jet flow beam are respectively directionally moved under the action of the electric field, so that the photoproduction electron-hole pairs are separated, the problem that the photoproduction electron-hole pairs can be quickly compounded in the colloid jet flow beam is solved, the photocatalysis effect can be greatly improved, and the material removal rate of a processed workpiece is improved.

Drawings

Fig. 1 is a schematic structural diagram of a photoelectric cooperative catalytic colloid jet nozzle, fig. 2 is an assembly diagram of a photoelectric cooperative catalytic colloid jet nozzle structure, and fig. 3 is a sectional view of the photoelectric cooperative catalytic colloid jet nozzle.

Detailed Description

As shown in fig. 1 to 3, the invention is a photoelectric concerted catalysis colloid jet nozzle, which comprises an optical fiber collimator joint 1, an anode terminal 2, an upper nozzle body 3, a conductive glass lens 4, a high-pressure sealing ring 5, a lower nozzle body 6, a cathode copper plate, a terminal 7 and a fastening bolt 8, wherein the conductive glass lens 4 and the high-pressure sealing ring 5 are arranged between the upper nozzle body 3 and the lower nozzle body 6, and the high-pressure sealing ring 5 between the upper nozzle body 3 and the lower nozzle body 6 is pressed through the fastening bolt 8; the center of the upper nozzle body 3 is provided with a threaded through hole 9 which is connected with the optical fiber collimator joint 1 through threads, and the optical fiber collimator joint 1 is externally connected with an optical fiber; an eccentric through hole 10 is formed beside a central threaded through hole 9 of the upper nozzle body 3, the anode terminal 2 is connected with the conductive glass lens 4 through the eccentric through hole 10, the anode terminal 2 is an eccentric copper column, a lower bottom column of the anode terminal 2 is in interference fit with the eccentric through hole 10, and the bottom surface of the lower bottom column of the anode terminal 2 is in zero-clearance tight contact with the conductive glass lens 4; the anode binding post 2 is connected with the anode of the catalytic power supply; the lower nozzle body 6 comprises an inner cavity, two colloid inlets 14 and a colloid outlet 17, wherein the inner cavity and the colloid outlet 17 are coaxial with the lower nozzle body 6, and the two colloid inlets 4 are vertically, eccentrically and oppositely distributed on the side surface of the lower nozzle body 6; the inner cavity of the lower nozzle body is divided into three parts, namely a basic section 13, a contraction section 15 and a rectification section 16, wherein the basic section 13 and the rectification section 16 are cylindrical, the contraction section 15 is conical or cosine-shaped, and the rectification section 16 is connected with a colloid outlet 17; the cathode copper plate and the binding post 7 are of an integrated eccentric structure and are connected with the negative electrode of the catalytic power supply.

The photoelectricity concerted catalysis colloid jet flow nozzle is connected with the positive pole and the negative pole of a power supply through the anode wiring terminal, the cathode copper plate and the wiring terminals, a loop is generated between the conductive glass lens and the metal copper plate, and photoproduction electron-hole pairs generated by photocatalysis in a colloid jet flow beam are respectively directionally migrated under the action of an electric field, so that the photoproduction electron-hole pairs are separated, the problem that the photoproduction electron-hole pairs can be rapidly compounded in the colloid jet flow beam is solved, and the photocatalysis effect can be greatly improved.

As shown in fig. 1 and 2, the conductive glass lens 4 has both good light guiding property and good conductive property, the upper nozzle body 3 and the lower nozzle body 6 are required to be non-conductive and insulators, the photo-electric cooperative catalysis colloid jet nozzle adopts visible light as a catalysis light source, and the colloid jet is required to be sufficiently coupled with the visible catalysis light in a nozzle cavity to generate photo-generated electron-hole pairs, and the photo-generated electron-hole pairs are separated.

The conductive glass lens 4 is made of surface conductive layer glass (indium tin oxide transparent conductive film glass) and volume conductive glass (containing alkali oxide and titanium oxide), preferably indium tin oxide transparent conductive film glass. The lens is a convex lens and a plane lens, and the convex lens is preferred.

The materials of the upper nozzle body 3 and the lower nozzle body 6 are ceramic materials and stainless steel materials with surface treatment, and the stainless steel materials with surface treatment are preferred. When the stainless steel material subjected to surface treatment is selected, the surface treatment method comprises the following steps: a1 is formed on the inner and outer surfaces of the stainless steel upper nozzle body 3 and the lower nozzle body 6 by electrophoretic coating, electrostatic spraying, laser coating, chemical vapor deposition, oxidation, passivation and phosphating₂O₃、MgO、ZnO、NiO、AlN、Si₃N₄BN and SiC insulating layers.

The optical fiber collimator joint 1 introduces visible light transmitted from a catalytic light source into the conductive glass lens 4 in an approximately parallel light mode and then enters a cavity of the photoelectricity synergetic catalytic nozzle.

Colloid enters a basic section 13 in a nozzle cavity through two colloid inlets 14 which are eccentrically arranged to form colloid vortex, moves in a spiral track, reaches a rectifying section 16 after being accelerated through a contraction section 15, is fully coupled with visible catalytic light in the nozzle cavity to generate a photoproduction electron-hole pair, and is finally sprayed on the surface of a workpiece through a colloid outlet 17.

After the catalytic power supply is switched on, an electric field loop is generated between the conductive glass lens 4 and the metal copper plate 7, and photoproduction electron-hole pairs generated by a catalytic optical field in the colloid jet flow beam are respectively directionally migrated under the action of the electric field, so that the photoproduction electron-hole pairs are separated.

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the photoelectric synergistic catalytic colloid jet nozzle entity comprises an optical fiber collimator joint 1, an anode terminal 2, an upper nozzle body 3, a conductive glass lens 4, a high-pressure seal ring 5, a lower nozzle body 6, a cathode copper plate and terminal 7, and a fastening bolt 8; in addition, the related structural characteristics also comprise an upper nozzle body central thread through hole 9, an upper nozzle body eccentric through hole 10, an upper nozzle body bolt through hole 11, a lower nozzle body thread through hole 12, a lower nozzle body cavity basic section 13, a colloid inlet 14, a lower nozzle body cavity contraction section 15, a lower nozzle body cavity rectifying section 16, a colloid outlet 17 and the like.

The conductive glass lens 4 and the high-pressure sealing ring 5 of the photoelectric synergetic catalytic colloid jet nozzle are arranged between the upper nozzle body 3 and the lower nozzle body 6, and the conductive glass lens 4 and the high-pressure sealing ring 5 are arranged above. Six bolt through holes 11 are uniformly distributed on the upper nozzle body 3, six thread through holes 12 are uniformly distributed on the lower nozzle body, the upper nozzle body bolt through holes 11 are matched with the lower nozzle body thread through holes 12, and the high-pressure sealing ring 5 between the upper nozzle body 3 and the lower nozzle body 4 is compressed through six fastening bolts 8 so as to realize the sealing of the nozzle.

The center of the upper nozzle body 3 is provided with a threaded through hole 9 which is connected with the optical fiber collimator joint 1 through threads. The optical fiber collimator joint 1 is externally connected with an optical fiber, and visible light transmitted from a catalytic light source is introduced into the conductive glass lens 4 as approximately parallel light and then enters the cavity of the photoelectricity synergetic catalytic nozzle. An eccentric through hole 10 is arranged beside a central threaded through hole 9 of the upper nozzle body 3, and the anode binding post 2 is connected with the conductive glass lens 4 through the eccentric through hole 10.

The lower nozzle body 6 comprises an inner cavity and two glue inlets 14 and a glue outlet 17, wherein the inner cavity and the glue outlet 17 are concentric with the lower nozzle body 6, and the two glue inlets 14 are vertically and eccentrically distributed on the side of the lower nozzle body in an opposite manner. The inner cavity of the lower nozzle body 6 is divided into three parts, namely a basic section 13, a contraction section 15 and a rectification section 16, wherein the basic section 13 and the rectification section 16 are cylindrical, the contraction section 15 is conical or in other curved surface shapes, and the rectification section 16 is connected with a colloid outlet 17. The cathode copper plate and the binding post 7 are an integrated eccentric structure.