Small part short-focus laser low-temperature cleaning container

Abstract

The invention provides a small part short-focus laser low-temperature cleaning container, and belongs to the technical field of laser cleaning, the small part short-focus laser low-temperature cleaning container comprises a container cylinder, an upper cavity, a middle cavity and a lower cavity are sequentially reserved in the container cylinder from top to bottom, the diameters of the upper cavity, the middle cavity and the lower cavity are gradually decreased, the upper cavity, the middle cavity and the lower cavity are communicated with one another, and a transparent cover plate is arranged at the bottom of the upper cavity; a support is arranged at the bottom of the hollow cavity, a short-focus convex lens is arranged in the middle of the support, a magnetic plate is arranged at the bottom of the lower cavity, and a laser source is arranged over the transparent cover plate. The problems that according to an existing laser cleaning method, the heat effect is likely to be generated, and cracks and other damage can be generated on the surface of the material are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of laser cleaning, and in particular relates to a short-focal-length laser low-temperature cleaning container for small parts. Background Art

[0002] Laser cleaning is an advanced industrial cleaning technology that uses a high-energy laser beam to irradiate the surface of an object, and through optical and thermal effects, impurities, pollutants or coatings are quickly evaporated or peeled off. The principle of laser cleaning is mainly based on the interaction between laser and matter. When the laser beam is irradiated on the surface of an object, the surface material absorbs the energy of the laser and converts it into thermal energy, chemical energy and mechanical energy. These energies cause the chemical bonds of the surface material to vibrate, bend or even break, thereby decomposing the molecules and decomposing or evaporating the surface pollutants. Under high laser flux, the material will even be converted into plasma, generating shock waves, further accelerating the removal of pollutants.

[0003] Existing laser cleaning methods are prone to thermal effects, which can cause cracks and other damage to the surface of the material. Summary of the invention

[0004] The invention provides a short-focal-length laser low-temperature cleaning container for small parts, which aims to solve the problem that the existing laser cleaning method is prone to thermal effects and may cause damage such as cracks on the surface of the material.

[0005] An embodiment of the present invention provides a short-focal-length laser low-temperature cleaning container for small parts, comprising a container tube, wherein an upper cavity, a middle cavity and a lower cavity with decreasing diameters are reserved in sequence from top to bottom inside the container tube, the upper cavity, the middle cavity and the lower cavity are connected to each other, a transparent cover is arranged at the bottom of the upper cavity, a bracket is arranged at the bottom of the hollow cavity, a short-focal-length convex lens is arranged in the middle of the bracket, a magnetic plate is arranged at the bottom of the lower cavity, and a laser source is arranged directly above the transparent cover.

[0006] By adopting the above technical solution and using laser induced cavitation technology for low-temperature cleaning, the thermal effect of the laser can be reduced and surface damage caused by the thermal effect can be avoided. In addition, the laser first passes through the transparent cover and then is focused in the container tube. This can avoid the rupture of the container tube wall and damage to the workpiece surface caused by the high energy density of the short-focal-length laser. The operation is simple and the disassembly and assembly are convenient.

[0007] Furthermore, a ventilation hole is reserved on the transparent cover plate, a valve is installed in the ventilation hole, the transparent cover plate can be in close contact with the liquid surface, or a layer of air is separated from the transparent cover plate and the liquid surface.

[0008] By adopting the above technical solution, the air holes on the transparent cover can be switched between open and closed via the valve. In the working state, the transparent cover can be close to the upper surface of the liquid, or there can be a layer of air between the transparent cover and the upper surface of the liquid, which is achieved by switching the state of the air holes.

[0009] Furthermore, a gap is left on the bracket.

[0010] By adopting the above technical solution, liquids in the upper and lower areas of the bracket can flow to each other.

[0011] Furthermore, a water inlet is reserved on one side of the lower cavity, and a water outlet is reserved on the other side of the lower cavity.

[0012] By adopting the above technical solution, water can be injected into the container barrel through the water inlet, and water can be discharged from the container barrel through the water outlet.

[0013] Furthermore, the bracket and the container tube are connected via a connector.

[0014] By adopting the above technical solution, the bracket can be firmly connected to prevent the short focal length convex lens on the bracket from changing and causing it to malfunction.

[0015] Furthermore, the connecting piece includes an annular assembly groove reserved in the container tube and a plug-in hole reserved on the side wall of the bracket, the assembly groove is connected to the outside via a slide, and a pair of slides are distributed in a mirror image. A plug-in rod is inserted into the plug-in hole, and the other end of the plug-in rod is movably inserted into the assembly groove and fixedly connected to a push block. The push block is a right-angled trapezoidal structure, and one side of the push block is connected to the inner wall surface of the assembly groove via a spiral beryllium copper wire 1, and an annular right-angle plate is slidably installed in the assembly groove, and the upper wall surface of the annular right-angle plate is connected to the top wall surface of the assembly groove via a spiral beryllium copper wire 2.

[0016] By adopting the above technical solution, when installing the bracket, the annular right-angle plate is moved upward to make the spiral beryllium copper wire No. 2 contract, and the spiral beryllium copper wire No. 1 extends under its own elastic force, so that the push block is movable, and then the plug-in rod is received in the assembly groove. When the annular right-angle plate completely leaves the push block, the plug-in rod is completely received in the assembly groove, and then the bracket is placed in the corresponding position in the container tube, and then the annular right-angle plate is loosened. Under the action of the deformation force of the spiral beryllium copper wire No. 2, the annular right-angle plate presses the push block, and under the action of the inclined surface of the push block, the push block moves horizontally, and the push block pushes the plug-in rod to be inserted into the plug hole, thereby realizing the rapid and stable installation of the bracket.

[0017] Furthermore, a pair of shifting plates are fixedly connected to the outer wall surface of the annular right-angle plate, and the shifting plates are slidably arranged in the slideway, and the other ends of the shifting plates extend out of the slideway.

[0018] By adopting the above technical solution, the annular right-angle plate can be easily pushed to move by the lever plate, thereby facilitating the disassembly and assembly of the bracket.

[0019] Furthermore, the connector also includes a positioning piece fixedly connected to the lower end of the side of the hollow cavity and an indicator piece fixedly connected to the upper wall of the bracket, the indicator piece and the positioning piece correspond to each other, and the positioning piece is located directly above the plug rod.

[0020] By adopting the above technical solution, by matching the indicator piece with the positioning piece, the position of the plug-in hole corresponding to the plug-in rod can be quickly found, which greatly improves the assembly speed of the bracket.

[0021] The beneficial effects of the present invention are:

[0022] The present invention utilizes laser induced cavitation technology for low-temperature cleaning, which can reduce the laser thermal effect and avoid surface damage caused by the thermal effect. In addition, the laser first passes through a transparent cover plate and then is focused in a container tube, which can avoid rupture of the container tube wall and damage to the workpiece surface caused by excessive energy density of a short-focal-length laser. The operation is simple and disassembly and assembly are convenient.

[0023] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present invention;

[0026] Figure 2 It is a schematic diagram of the main cross-sectional structure of an embodiment of the present invention;

[0027] Figure 3 For the embodiment of the present invention Figure 2 A schematic diagram of the structure at a is enlarged;

[0028] Figure numerals: 1. container tube; 2. transparent cover plate; 3. air vent; 4. bracket; 5. short focal length convex lens; 6. magnetic plate; 7. water inlet; 8. water outlet; 9. connector; 10. laser source; 91. assembly groove; 92. slideway; 93. plug-in hole; 94. indicator plate; 95. positioning plate; 96. plug-in rod; 97. push block; 98. spiral beryllium copper wire one; 99. spiral beryllium copper wire two; 910. annular right-angle plate; 911. dial plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of specific embodiments of the present invention. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Embodiment 1

[0031] Reference Figure 1-Figure 3 The embodiment of the present invention proposes a short-focal-length laser low-temperature cleaning container for small parts, comprising a container tube 1. The interior of the container tube 1 is reserved with an upper cavity, a middle cavity and a lower cavity with decreasing diameters from top to bottom. The upper cavity, the middle cavity and the lower cavity are connected to each other. A transparent cover plate 2 is arranged at the bottom of the upper cavity, a bracket 4 is arranged at the bottom of the hollow cavity, a short-focal-length convex lens 5 is arranged in the middle of the bracket 4, and a magnetic plate 6 is arranged at the bottom of the lower cavity, which can suck the workpiece to the bottom of the container tube 1. A laser source 10 is arranged directly above the transparent cover plate 2. The laser beam is incident from top to bottom and is a parallel beam or a diffuse beam before entering the container tube 1.

[0032] Low-temperature cleaning using laser-induced cavitation technology can reduce laser thermal effects and avoid surface damage caused by thermal effects. In addition, the laser first passes through the transparent cover plate 2 and then focuses in the container tube 1, which can avoid rupture of the wall of the container tube 1 caused by excessive energy density of the short-focal-length laser.

[0033] Reference Figure 1 and Figure 2 A ventilation hole 3 is reserved on the transparent cover plate 2, and a valve is installed in the ventilation hole 3. The ventilation hole 3 on the transparent cover plate 2 can be switched between open and closed through the valve. In the working state, the transparent cover plate 2 can be close to the upper surface of the liquid, or there can be a layer of air between the transparent cover plate 2 and the upper surface of the liquid, which is achieved by switching the state of the ventilation hole 3.

[0034] Reference Figure 2 A gap is left on the bracket 4 so that liquids in the upper and lower areas of the bracket 4 can flow to each other.

[0035] Reference Figure 2 A water inlet 7 is reserved on one side of the lower cavity, and a water outlet 8 is reserved on the other side of the lower cavity. Water can be injected into the container tube 1 through the water inlet 7, and water can be discharged from the container tube 1 through the water outlet 8.

[0036] Embodiment 2

[0037] The difference from the first embodiment is that, referring to Figure 1-Figure 3 The bracket 4 is connected to the container tube 1 via a connector 9 to achieve a stable connection of the bracket 4 to prevent the short-focal-length convex lens 5 on the bracket 4 from changing and causing it to malfunction.

[0038] Reference Figure 2 and Figure 3 The connector 9 includes an annular assembly groove 91 reserved in the container tube 1 and a plug hole 93 reserved on the side wall of the bracket 4. The assembly groove 91 is connected to the outside through a slide 92. The slide 92 is mirror-distributed with a pair of plug-in rods 96 inserted into the plug hole 93. The other end of the plug-in rod 96 is movably inserted into the assembly groove 91 and fixedly connected to a push block 97. The push block 97 is a right-angle trapezoidal structure. One side of the push block 97 is connected to the inner wall surface of the assembly groove 91 through a spiral beryllium copper wire 98. An annular right-angle plate 910 is slidably installed in the assembly groove 91. The upper wall surface of the annular right-angle plate 910 is connected to the top wall surface of the assembly groove 91 through a spiral beryllium copper wire 99. When the bracket 4 is installed, the annular straight plate 910 is moved upward. The angle plate 910 causes the spiral beryllium copper wire 99 to contract, and the spiral beryllium copper wire 98 to extend under its own elastic force, so that the push block 97 can move, thereby allowing the plug-in rod 96 to be received in the assembly groove 91. When the annular right-angle plate 910 completely leaves the push block 97, the plug-in rod 96 is completely received in the assembly groove 91, and then the bracket 4 is placed in the corresponding position in the container tube 1. Then the annular right-angle plate 910 is loosened. Under the action of the deformation force of the spiral beryllium copper wire 99, the annular right-angle plate 910 presses the push block 97. Under the action of the inclined surface of the push block 97, the push block 97 moves horizontally, and the push block 97 pushes the plug-in rod 96 to be plugged into the plug hole 93, thereby realizing the rapid and stable installation of the bracket 4.

[0039] Reference Figure 3 A pair of paddles 911 are fixedly connected to the outer wall of the annular right-angle plate 910. The paddles 911 are slidably installed in the slideway 92. The other end of the paddles 911 extends out of the slideway 92. The paddles 911 facilitate the movement of the annular right-angle plate 910, thereby facilitating the disassembly and assembly of the bracket 4.

[0040] Reference Figure 3 The connector 9 also includes a positioning piece 95 fixedly connected to the lower end of the side of the hollow cavity and an indicator piece 94 fixedly connected to the upper wall of the bracket 4. The indicator piece 94 and the positioning piece 95 correspond to each other. The positioning piece 95 is located directly above the plug-in rod 96. By matching the indicator piece 94 with the positioning piece 95, the position of the plug-in hole 93 corresponding to the plug-in rod 96 can be quickly found, which greatly improves the assembly speed of the bracket 4.

[0041] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A small parts short focal length laser low temperature cleaning container, characterized in that: The invention comprises a container tube (1), wherein an upper cavity, a middle cavity and a lower cavity with decreasing diameters are reserved in sequence from top to bottom inside the container tube (1), wherein the upper cavity, the middle cavity and the lower cavity are connected to each other, a transparent cover plate (2) is arranged at the bottom of the upper cavity, a bracket (4) is arranged at the bottom of the middle cavity, a short focal length convex lens (5) is arranged in the middle of the bracket (4), a magnetic plate (6) is arranged at the bottom of the lower cavity, and a laser source (10) is arranged directly above the transparent cover plate (2).

2. A small parts short focal length laser low temperature cleaning container according to claim 1, characterized in that: A ventilation hole (3) is reserved on the transparent cover plate (2), and a valve is arranged in the ventilation hole (3).

3. The small parts short focal length laser low temperature cleaning container according to claim 1, characterized in that: A gap is left on the bracket (4).

4. The small parts short focal length laser low temperature cleaning container according to claim 1, characterized in that: A water inlet (7) is reserved on one side of the lower cavity, and a water outlet (8) is reserved on the other side of the lower cavity.

5. The small parts short focal length laser low temperature cleaning container according to claim 1, characterized in that: The support (4) and the container tube (1) are connected via a connecting piece (9).

6. The small parts short focal length laser low temperature cleaning container according to claim 5, characterized in that: The connecting member (9) comprises an annular assembly groove (91) reserved in the container tube (1) and a plug-in hole (93) reserved on the side wall of the bracket (4); the assembly groove (91) is connected to the outside via a slideway (92); a pair of slideways (92) are distributed in a mirror image; a plug-in rod (96) is inserted into the plug-in hole (93); the other end of the plug-in rod (96) is movably inserted into the assembly groove (91) and fixedly connected to a push block (97); the push block (97) is in a right-angle trapezoidal structure; one side of the push block (97) is connected to the inner wall surface of the assembly groove (91) via a spiral beryllium copper wire (98); an annular right-angle plate (910) is slidably installed in the assembly groove (91); the upper wall surface of the annular right-angle plate (910) is connected to the top wall surface of the assembly groove (91) via a spiral beryllium copper wire (99).

7. The small parts short focal length laser low temperature cleaning container according to claim 6, characterized in that: A pair of shifting plates (911) are fixedly connected to the outer wall surface of the annular right-angle plate (910). The shifting plates (911) are slidably arranged in the slideway (92), and the other end of the shifting plates (911) extends out of the slideway (92).

8. The small parts short focal length laser low temperature cleaning container according to claim 7, characterized in that: The connecting piece (9) further comprises a positioning piece (95) fixedly connected to the lower end of the side of the hollow cavity and an indicating piece (94) fixedly connected to the upper wall surface of the bracket (4), wherein the indicating piece (94) and the positioning piece (95) correspond to each other, and the positioning piece (95) is located directly above the plug rod (96).

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