Guiding device for cleaning side face through laser at low temperature

Abstract

The utility model provides a guiding device for laser low-temperature side surface cleaning, which belongs to the technical field of laser cleaning and comprises a drawer-shaped frame, one side of one end of the drawer-shaped frame close to a laser target sheet is fixedly connected with a fixed shaft sleeve, and the other side of one end of the drawer-shaped frame close to the laser target sheet is detachably connected with a flexible bearing through a fixing bolt. The outer side of the pore plate shaft is fixedly connected with a pore plate, the pore plate is located between the fixed shaft sleeve and the flexible bearing, the end, penetrating through the flexible bearing, of the pore plate shaft is in threaded connection with a flexible bearing nut, and a through hole is reserved in the middle of the pore plate; a laser focusing area is arranged on the upper surface of the laser target sheet and located on the other side of the inclined face. The utility model solves the problems that the traditional laser cleaning technology cannot shield laser energy, cracks are easily induced, the surface quality is reduced, and the processing direction of laser cleaning, namely the laser incidence direction, is difficult to clean the side surface, especially the inner side surface.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser cleaning technical field, concretely relates to a kind of guiding device of laser low-temperature cleaning side face. BACKGROUND

[0002] Laser cleaning is an advanced cleaning technology that uses high-energy laser beams to irradiate the surface of an object, causing impurities, contaminants or coatings to rapidly evaporate or peel off through optical and thermal effects.

[0003] The principle of traditional laser cleaning technology is to remove redundant materials on the surface by ablation of continuous laser or impact of pulsed laser, but it is affected by thermal effects, which can easily induce cracks and reduce surface quality. There is also a laser low-temperature cleaning method based on laser-induced cavitation technology, which uses the shock wave and microjet generated by the collapse of cavitation bubbles to remove redundant materials on the surface. However, this method still involves laser energy. In addition, the processing direction of traditional laser cleaning, i.e. the laser incidence direction, makes it difficult to clean the side surface, especially the inner side surface. SUMMARY

[0004] The utility model provides a kind of guiding device of laser low-temperature cleaning side face, it is to solve the problem that traditional laser cleaning technology cannot shield laser energy, easily induce crack, reduce surface quality, and the processing direction of laser cleaning, i.e. the laser incidence direction, is difficult to clean the side surface, especially the inner side surface.

[0005] The utility model embodiment provides a kind of guiding device of laser low-temperature cleaning side face, including drawer-shaped frame, the one side of drawer-shaped frame near laser target piece one end is fixedly connected with fixed shaft sleeve, the other side of drawer-shaped frame near laser target piece one end is detachably connected with bearing by fixed bolt, the fixed shaft sleeve is movably installed with hole plate shaft, the both ends of hole plate shaft are respectively passed through fixed shaft sleeve and bearing, the outside of hole plate shaft is fixedly connected with hole plate, the hole plate is between fixed shaft sleeve and bearing, the one end of hole plate shaft is screw-connected with fixed shaft sleeve nut, the one end of hole plate shaft is screw-connected with bearing nut, a through hole is reserved at the middle of hole plate, the upper surface of laser target piece and the other side of inclined surface are provided with laser focusing area.

[0006] By adopting the above technical scheme, the conduction of laser energy is hindered by the hole plate, reducing the thermal effect of laser. The cleaning processing direction can be greatly deviated from the laser incidence direction, making the laser cleaning more flexible. The device can also clean the inner side surface or other complex structure surface, and the overall flexibility of the device is strong, which can adapt to different angles of the side surface to be processed.

[0007] Further, the laser target piece is in a right-angled trapezoidal structure, the upper surface area of the laser target piece is large, and the lower surface area of the laser target piece is small.

[0008] By adopting the technical scheme, the gap between the orifice plate and the upper surface of the laser target piece is avoided when the orifice plate rotates, and cavitation bubbles cannot drill into the gap and drill into the through hole.

[0009] Further, the inner side wall of the drawer-shaped frame is fixedly connected with a spring, one side of the drawer-shaped frame is inserted with a laser target piece, the other end of the spring is fixedly connected with the laser target piece, and the spring is below the compression state, so that one end of the inclined surface of the laser target piece is tightly pressed against the orifice plate.

[0010] By adopting the technical scheme, the spring is used to tightly press the laser target piece against the orifice plate, and the orifice plate feet on the orifice plate tightly press the workpiece, so that the workpiece is conveniently cleaned.

[0011] Further, one side of the drawer-shaped frame is fixedly connected with a light rod sleeve, the light rod sleeve is slidably connected with a light rod, the other side of the drawer-shaped frame is fixedly connected with a lead screw sleeve, and the lead screw sleeve is threadedly connected with a lead screw.

[0012] By adopting the technical scheme, the lead screw is rotated to control the movement and stillness of the whole device in the vertical direction, and the cleaning position is changed.

[0013] Further, the fixed shaft sleeve is fixedly connected with the drawer-shaped frame, and the bearing is detachably connected with the drawer-shaped frame through bolts.

[0014] By adopting the technical scheme, the orifice plate is conveniently installed and adjusted.

[0015] Further, the side wall of the orifice plate away from the laser target piece is provided with a plurality of orifice plate feet, and the number of the orifice plate feet is greater than or equal to three.

[0016] By adopting the technical scheme, the orifice plate and the workpiece surface to be machined are separated by a certain distance through the orifice plate feet, and the workpiece surface to be machined is ensured to be cleaned.

[0017] Further, the through hole is above the laser target piece.

[0018] By adopting the technical scheme, it is ensured that the cavitation bubbles can move to the workpiece surface to be machined through the through hole on the orifice plate.

[0019] The beneficial effects of the utility model are as follows:

[0020] The utility model discloses a hole plate obstructs the conduction of laser energy, reduces laser heat effect, can make the cleaning processing direction big angle deviates from the laser incidence direction, makes laser cleaning more flexible, can also clean the operation of the inner side or other complex structure surface, and the flexibility of device whole can be suitable for different angle side of processing.

[0021] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the description and the claims. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0023] Figure 1 It is a three-dimensional structure schematic view of the embodiment of the utility model;

[0024] Figure 2 It is hole plate structure schematic view of the embodiment of the utility model;

[0025] Figure 3 It is laser target piece structure schematic view of the embodiment of the utility model;

[0026] Figure 4 It is bearing installation structure schematic view of the embodiment of the utility model;

[0027] Reference signs: 1, lead screw sleeve;2, lead screw;3, spring;4, laser target piece;5, drawer frame;6, light screw sleeve;7, light screw;11, hole plate shaft;12, fixed shaft sleeve nut;13, fixed shaft sleeve;14, hole plate;15, through hole;16, laser focusing area;17, bearing;18, bearing nut;19, fixed bolt;20, hole plate support leg. DETAILED DESCRIPTION

[0028] In order to make the technical scheme of the utility model purposes, technical scheme and advantages more clearly, the following will be combined with the drawings of the embodiment of the utility model, the technical scheme of the embodiment of the utility model is clearly and completely described. Same reference signs in the drawings represent same parts. It needs to be explained that the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without the premise of creative labor belong to the scope of the utility model protection.

[0029] Refer toFigures 1-4 The utility model discloses an introduction device for laser low temperature cleaning side, including drawer frame 5, the one side fixed connection of drawer frame 5 near laser target piece 4 one end has fixed shaft sleeve 13, the other side of drawer frame 5 near laser target piece 4 one end is detachably connected with bearing 17 through fixed bolt 19, the movable mounting of fixed shaft sleeve 13 has the hole plate shaft 11, the both ends of hole plate shaft 11 are respectively passed through fixed shaft sleeve 13 and bearing 17, the outside fixed connection of hole plate shaft 11 has the hole plate 14, the hole plate 14 is between fixed shaft sleeve 13 and bearing 17, the one end of hole plate shaft 11 is screwed and is connected with fixed shaft sleeve nut 12 through fixed shaft sleeve 13, the one end of hole plate shaft 11 is screwed and is connected with bearing nut 18 through bearing 17, the middle of hole plate 14 is reserved with a through -hole 15, the upper surface of laser target piece 4 and the other side of inclined surface are provided with laser focus area 16, the conduction of laser energy is hindered through hole plate 14, reduces laser thermal effect, can make cleaning processing direction greatly deviate from laser incidence direction, makes laser cleaning more flexible, can also clean the inside surface or other complex structure surface and carry out cleaning operation, and the flexibility of device whole can be adapted to the side of different angle to be processed.

[0030] Referring to Figure 1 The inside wall of the drawer frame 5 is fixedly connected with a spring 3, one side of the drawer frame 5 is inserted with the laser target piece 4, the other end of the spring 3 is fixedly connected with the laser target piece 4, and the spring 3 is in a compressed state. The one end of the inclined surface of the laser target piece 4 is tightly pressed against the hole plate 14, the laser target piece 4 is tightly pressed against the hole plate 14 by the spring 3, and the hole plate foot 20 on the hole plate 14 is tightly pressed against the workpiece, so that the cleaning of the workpiece is facilitated.

[0031] Referring to Figure 3 The laser target piece 4 has a right-angled trapezoidal structure, the upper surface of the laser target piece 4 has a large area, and the lower surface of the laser target piece 4 has a small area. When the hole plate 14 rotates, the hole plate 14 and the upper surface of the laser target piece 4 can avoid generating a gap, so that cavitation bubbles cannot drill into the gap and drill into the through-hole 15.

[0032] Referring to Figure 1 One side of the drawer frame 5 is fixedly connected with a light lever sleeve 6, the light lever sleeve 6 is slidably connected with a light lever 7, the other side of the drawer frame 5 is fixedly connected with a screw sleeve 1, and the screw sleeve 1 is threadedly connected with a screw rod 2. By rotating the screw rod 2, the movement and stillness of the whole device in the vertical direction are controlled, and the cleaning position is changed.

[0033] Referring to Figure 1 And Figure 4 The fixed shaft sleeve 13 is fixedly connected with the drawer frame 5, and the bearing 17 is detachably connected with the drawer frame 5 by bolts, so that the installation and adjustment of the hole plate 14 are facilitated.

[0034] Referring to Figure 1With Figure 2 The plurality of hole plate legs 20 are arranged on the side wall of the hole plate 14 away from the laser target sheet 4, the number of the hole plate legs 20 is greater than or equal to three, the hole plate 14 and the surface to be machined of the workpiece are separated by the hole plate legs 20, and thus the surface to be machined of the workpiece can be cleaned.

[0035] Referring to Figure 1 The through hole 15 is above the laser target sheet 4, and thus the cavitation bubble can move to the surface to be machined of the workpiece through the through hole 15 on the hole plate 14.

[0036] Specifically, in use, the surface to be machined of the workpiece is attached to the hole plate leg 20, the laser target sheet 4 is pressed against the hole plate 14 under the action of the spring 3, the hole plate 14 presses the workpiece against the hole plate leg 20, the laser beam is focused near the laser focusing area 16, and thus the cavitation bubble is generated, the cavitation bubble expands due to the high pressure and inertia inside, and after expanding to the maximum size, the cavitation bubble starts to shrink due to the low pressure and inertia inside, and then moves to the hole plate 14 and drills into the through hole 15 under the influence of the wall effect, and then starts the second expansion-shrinkage cycle, and in the shrinkage stage of the second cycle, the cavitation bubble moves to the surface to be machined of the workpiece on the other side under the influence of the wall effect and inertia, and the cleaning effect is generated on the surface to be machined of the workpiece under the impact effect.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guiding device for laser cryogenic cleaning of a side surface, characterized in that, Including drawer-shaped frame (5), drawer-shaped frame (5) one side near the end of the laser target sheet (4) is fixedly connected with fixed shaft sleeve (13), drawer-shaped frame (5) the other side near the end of the laser target sheet (4) is detachably connected with bearing (17) through fixed bolt (19), fixed shaft sleeve (13) is movably installed with hole plate shaft (11), both ends of hole plate shaft (11) pass through fixed shaft sleeve (13) and bearing (17) respectively, the outer side of hole plate shaft (11) is fixedly connected with hole plate (14), hole plate (14) is between fixed shaft sleeve (13) and bearing (17), one end of hole plate shaft (11) passes through fixed shaft sleeve (13) and is threadedly connected with fixed shaft sleeve nut (12), one end of hole plate shaft (11) passes through bearing (17) and is threadedly connected with bearing nut (18), a through hole (15) is reserved at the middle of hole plate (14), the upper surface of laser target sheet (4) and the other side of inclined surface are provided with laser focusing area (16).

2. A laser low temperature cleaning side face guiding device according to claim 1, characterized in that: The laser target sheet (4) is a right trapezoidal structure, the upper surface area of the laser target sheet (4) is large, and the lower surface area of the laser target sheet (4) is small.

3. The laser low temperature cleaning side face guiding device according to claim 1, characterized in that: The inner side wall of the drawer-shaped frame (5) is fixedly connected with a spring (3), one side of the drawer-shaped frame (5) is inserted with a laser target sheet (4), the other end of the spring (3) is fixedly connected with the laser target sheet (4), and the spring (3) is under compression, so that one end of the inclined surface of the laser target sheet (4) is tightly pressed on the hole plate (14).

4. The laser low temperature cleaning side face guiding device according to claim 1, characterized in that: One side of the drawer-shaped frame (5) is fixedly connected with a light rod sleeve (6), the light rod sleeve (6) is slidably connected with a light rod (7), the other side of the drawer-shaped frame (5) is fixedly connected with a lead screw sleeve (1), and the lead screw sleeve (1) is threadedly connected with a lead screw (2).

5. The laser low temperature cleaning side face guiding device according to claim 1, characterized in that: The fixed shaft sleeve (13) is fixedly connected with the drawer-shaped frame (5), and the bearing (17) is detachably connected with the drawer-shaped frame (5) by bolts.

6. The laser low temperature cleaning side face guiding device according to claim 1, characterized in that: The side wall of the hole plate (14) away from the laser target sheet (4) is provided with a plurality of hole plate feet (20), and the number of hole plate feet (20) is greater than or equal to three.

7. The laser low temperature cleaning side face guiding device according to claim 1, characterized in that: The through hole (15) is above the laser target sheet (4).

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