High-energy ultrashort pulse laser cutting device

Abstract

The utility model discloses a high-energy ultrashort pulse laser cutting device which comprises a cutting device body and a laser cutting head, an adjusting frame is arranged on the top of the cutting device body, and the laser cutting head is arranged on the adjusting frame. A rotating sleeve piece is arranged at the position, close to the outlet, of the surface of the laser cutting head, a cleaning assembly is arranged on the rotating sleeve piece, and optical glass is arranged at the outlet of the laser cutting head. According to the optical glass cleaning device, the rotating sleeve piece and the cleaning assembly are arranged, the rotating plate can be driven to rotate under the control of the rotating control assembly in the rotating sleeve piece, the cleaning assembly is driven to be attached to optical glass or away from the optical glass under the rotation of the rotating plate, and when needed, the cleaning assembly is driven to be attached to the optical glass; the optical glass is cleaned through the cleaning assembly, and when cleaning is not needed, the cleaning assembly and the rotating plate are controlled to be away from the optical glass, so that normal operation of the optical glass is not blocked easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting equipment technical field especially relates to a kind of high-energy ultra-short pulse laser cutting device. BACKGROUND

[0002] High-energy ultra-short pulse laser cutting equipment belongs to a kind of laser cutting equipment, mainly using ultra-short pulse laser (femtosecond or picosecond laser) to carry out high-precision cutting operation, suitable for fine processing, ultra-short pulse duration is extremely short, energy is highly concentrated, reduces heat affected zone, it can not only cut metal, but also cut ceramic, glass and composite materials etc., since the laser cutting equipment almost generates no thermal effect, thus material deformation or damage can be avoided.

[0003] One of the most important components in high-energy ultra-short pulse laser cutting equipment is laser cutting head, high-transmittance optical glass is arranged at the laser outlet of laser cutting head, the optical glass protects laser cutting head, prevents pollutants from entering, but the other side of optical glass is exposed to air, surface is inevitable to attach dust under long-time use, so that beam quality can be reduced, affect the performance of laser cutting.

[0004] Therefore, how to provide a kind of high-energy ultra-short pulse laser cutting device is the problem that the person skilled in the art needs to solve urgently. UTILITY MODEL CONTENT

[0005] One purpose of the utility model is to propose a kind of high-energy ultra-short pulse laser cutting device, the utility model solves the problem that optical glass on laser cutting head in prior art is inevitable to attach dust under long-time use and causes beam quality to reduce and affects the performance of laser cutting.

[0006] According to the high-energy ultra-short pulse laser cutting device of the utility model embodiment, including cutting device body and laser cutting head, the top of cutting device body is provided with adjusting frame, and laser cutting head is arranged on adjusting frame;Rotary sleeve is arranged at the position close to the outlet of the surface of laser cutting head, and cleaning assembly is arranged on rotary sleeve, optical glass is arranged at the outlet of laser cutting head, and the side surface of cleaning assembly is movably attached to the surface of optical glass.

[0007] Rotary sleeve includes rotary plate for driving cleaning assembly to rotate and rotary control assembly for controlling the rotation of rotary plate, rotary plate is arranged on rotary control assembly, and cleaning assembly is arranged on rotary plate.

[0008] The size and shape of rotary plate are matched with the size and shape of optical glass.

[0009] The rotating control assembly comprises a fixing base, an inclined plate, a connecting rod, a track groove, a sliding block, a threaded hole, an adjusting screw rod and a driving motor, the fixing base is fixed on the surface of the laser cutting head, the rotating plate is rotatably connected to the fixing base, the inclined plate is fixedly connected to one side of the rotating plate, one end of the connecting rod is rotatably connected to the end of the inclined plate away from the rotating plate, the other end of the connecting rod is rotatably connected to the surface of the sliding block, the track groove is fixed on the side of the laser cutting head, the sliding block is slidably connected to the inside of the track groove, the threaded hole is formed in the surface of the sliding block, the adjusting screw rod is rotatably connected to the position of the side of the laser cutting head inside the track groove, the sliding block is threadedly sleeved on the surface of the adjusting screw rod through the threaded hole, and the driving motor is arranged on the surface of the laser cutting head, and the output shaft of the driving motor is fixedly connected to the end surface of the adjusting screw rod.

[0010] The cleaning assembly comprises a cleaning motor, a rotating rod and a cleaning brush, the cleaning motor is fixed on the side of the rotating plate away from the optical glass, the output shaft of the cleaning motor extends to the other side of the rotating plate through the rotating plate, the rotating rod is fixed on the output shaft of the cleaning motor, and the cleaning brush is arranged on the side of the rotating rod away from the rotating plate.

[0011] The cleaning assembly further comprises a water tank, a small-sized pressurizing pump, a cavity and a spray head, the water tank is arranged on the side of the rotating plate away from the optical glass, the small-sized pressurizing pump is arranged on the surface of the rotating plate, the inlet of the small-sized pressurizing pump is fixedly connected to the water tank and is in communication with the water tank, the cavity is formed in the inside of the rotating plate, the outlet of the small-sized pressurizing pump is in communication with the cavity, and the spray head is embedded on the surface of the rotating plate close to the optical glass.

[0012] The cleaning assembly further comprises a water tank, a small-sized pressurizing pump, a cavity and a spray head, the water tank is arranged on the side of the rotating plate away from the optical glass, the small-sized pressurizing pump is arranged on the surface of the rotating plate, the inlet of the small-sized pressurizing pump is fixedly connected to the water tank and is in communication with the water tank, the cavity is formed in the inside of the rotating plate, the outlet of the small-sized pressurizing pump is in communication with the cavity, and the spray head is embedded on the surface of the rotating plate close to the optical glass.

[0013] By arranging the rotating set and the cleaning assembly, the rotating control assembly in the rotating set can drive the rotating plate to rotate, and the rotating plate can drive the cleaning assembly to closely contact or be away from the optical glass, the cleaning assembly can be closely contacted on the optical glass when needed, and the optical glass can be cleaned by the cleaning assembly, and the cleaning assembly and the rotating plate can be driven to be away from the optical glass when cleaning is not needed, so that the normal operation of the optical glass is not easily blocked, and the problem that the optical glass on the laser cutting head in the prior art is inevitably attached with dust after long-time use, thereby affecting the laser cutting performance due to the decline of the light beam quality is solved. ACCREDITED DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation to the present application.

[0015] Figure 1The utility model provides a kind of high-energy ultra-short pulse laser cutting device's overall three-dimensional structure schematic diagram.

[0016] Figure 2 The utility model provides a kind of high-energy ultra-short pulse laser cutting device rotating sleeve kit position's partial three-dimensional structure schematic diagram.

[0017] Figure 3 The utility model provides a kind of high-energy ultra-short pulse laser cutting device rotating sleeve kit position's partial sectional three-dimensional structure schematic diagram.

[0018] Figure 4 The utility model provides a kind of high-energy ultra-short pulse laser cutting device cleaning assembly position's partial sectional three-dimensional structure schematic diagram.

[0019] Drawing mark: 1, cutting device body;2, laser cutting head;3, adjusting frame;4, rotating sleeve kit;5, cleaning assembly;6, optical glass;7, rotating plate;8, rotating control assembly;9, fixed seat;10, inclined plate;11, connecting rod;12, track slot;13, sliding block;14, screw hole;15, adjusting screw;16, drive motor;17, cleaning motor;18, rotating rod;19, cleaning brush;20, water tank body;21, small pressure pump;22, cavity;23, spray head. Specific implementation

[0020] Now the utility model is further detailed in connection with the drawings. These drawings are all simplified schematic diagram, just with schematic way to show the basic structure of the utility model, so it just shows the structure related to the utility model.

[0021] Reference Figures 1-4The cutting device body 1 is provided with an adjusting frame 3 on the top, the adjusting frame 3 is prior art, and details are not repeated here, the laser cutting head 2 is arranged on the adjusting frame 3, the rotating sleeve 4 is arranged on the surface of the laser cutting head 2 close to the position of the outlet, the cleaning assembly 5 is arranged on the rotating sleeve 4, the cleaning assembly 5 comprises a cleaning motor 17, a rotating rod 18 and a cleaning brush 19, the cleaning brush 19 is made of rubber or soft fiber material, so as to avoid scratching the optical glass 6 during wiping, the cleaning motor 17 is fixed on the side of the rotating plate 7 away from the optical glass 6, the output shaft of the cleaning motor 17 extends to the other side of the rotating plate 7 after penetrating through the rotating plate 7, the output shaft of the cleaning motor 17 is located at the center of the optical glass 6, so that the rotating plate 7 and the cleaning brush 19 rotate around the axis of the output shaft, the rotating rod 18 is fixed on the output shaft of the cleaning motor 17, the cleaning brush 19 is arranged on the side of the rotating rod 18 away from the rotating plate 7, when the rotating plate 7 rotates to be parallel to the optical glass 6, the cleaning brush 19 is tightly attached to the surface of the optical glass 6, the optical glass 6 is arranged at the outlet of the laser cutting head 2, one side of the cleaning assembly 5 is movably attached to the surface of the optical glass 6, when the rotating plate 7 rotates to be parallel to the optical glass 6, the cleaning brush 19 is tightly attached to the surface of the optical glass 6, then the cleaning motor 17 is started, the cleaning motor 17 drives the rotating rod 18 to rotate through the output shaft, the rotating rod 18 rotates to drive the cleaning brush 19 to rotate to wipe the surface of the optical glass 6, thereby wiping off the dust on the surface of the optical glass 6, improving the light transmittance of the optical glass 6, and making the laser quality not easily affected.

[0022] The rotating set 4 includes a rotating plate 7 driving the cleaning assembly 5 to rotate and a rotating control assembly 8 controlling the rotation of the rotating plate 7, the rotating plate 7 is arranged on the rotating control assembly 8, the size and shape of the rotating plate 7 are matched with the size and shape of the optical glass 6, the rotating control assembly 8 includes a fixed seat 9, an inclined plate 10, a connecting rod 11, a track groove 12, a sliding block 13, a threaded hole 14, an adjusting screw 15 and a driving motor 16, the fixed seat 9 is fixed on the surface of the laser cutting head 2, the rotating plate 7 is rotatably connected to the fixed seat 9, the inclined plate 10 is fixedly connected to one side of the rotating plate 7, one end of the connecting rod 11 is rotatably connected to the end of the inclined plate 10 away from the rotating plate 7, the other end of the connecting rod 11 is rotatably connected to the surface of the sliding block 13, the track groove 12 is fixed on the side of the laser cutting head 2, the sliding block 13 is slidably connected to the inside of the track groove 12, the threaded hole 14 is arranged on the surface of the sliding block 13, the adjusting screw 15 is rotatably connected to the position inside the track groove 12 on the side of the laser cutting head 2, the sliding block 13 is threadedly sleeved on the surface of the adjusting screw 15 through the threaded hole 14, and the driving motor 16 is arranged on the surface of the laser cutting head 2. The output shaft of the driving motor 16 is fixedly connected to the end surface of the adjusting screw 15. When operating, first, the driving motor 16 needs to be started, the driving motor 16 rotates to drive the adjusting screw 15 to rotate, the adjusting screw 15 rotates to drive the sliding block 13 to slide in the inside of the track groove 12, the sliding block 13 slides to drive the inclined plate 10 to rotate through the connecting rod 11, the inclined plate 10 rotates to drive the rotating plate 7 to rotate, and the inclined plate 10 and the rotating plate 7 rotate around the connection between the rotating plate 7 and the fixed seat 9. In this way, when the rotating plate 7 rotates to be parallel to the optical glass 6, the cleaning brush 19 is attached to the surface of the optical glass 6, and when the cleaning is completed, the rotating plate 7 needs to be away from the optical glass 6, at this time, the driving motor 16 is reversed, the driving motor 16 is reversed to drive the adjusting screw 15 to be reversed, the adjusting screw 15 is reversed to drive the sliding block 13 to move towards the driving motor 16, and the sliding block 13 slides in the inside of the track groove 12 to pull the pulling rod, the pulling rod is pulled to drive the inclined plate 10 to rotate, the inclined plate 10 rotates to drive the rotating plate 7 to rotate, so that the rotating plate 7 is away from the optical glass 6, and the normal work of the optical glass 6 is avoided.

[0023] Reference Figures 1-4In the embodiment, the cleaning assembly 5 further comprises a water tank 20, a small-sized pressurizing pump 21, a cavity 22 and a spray head 23. The water tank 20 is arranged on the side of the rotating plate 7 away from the optical glass 6. The small-sized pressurizing pump 21 is arranged on the surface of the rotating plate 7. The inlet of the small-sized pressurizing pump 21 is fixedly connected to the water tank 20 and is in communication with the water tank 20. The cavity 22 is arranged in the interior of the rotating plate 7. The outlet of the small-sized pressurizing pump 21 is in communication with the cavity 22. The spray head 23 is embedded on the surface of the rotating plate 7 close to the optical glass 6. In order to further improve the cleaning effect, the small-sized pressurizing pump 21 is started. The small-sized pressurizing pump 21 pumps the cleaning liquid in the water tank 20 into the cavity 22. Then, the cleaning liquid is sprayed from the spray head 23 after being pressurized in the cavity 22. The spray head 23 is arranged in six groups. The six groups of spray heads 23 are arranged in a ring array with the center of the rotating plate 7 as the array center. In this way, the sprayed cleaning liquid is more uniform. It should be noted that the optical glass 6 is cleaned by the cleaning liquid and then wiped by the cleaning brush 19. In this way, the cleaning effect is better. The cleaning effect of the optical glass 6 is further improved.

[0024] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-energy ultra-short pulse laser cutting apparatus, characterized by, The cutting device comprises a cutting device body (1) and a laser cutting head (2), the top of the cutting device body (1) is provided with an adjusting frame (3), and the laser cutting head (2) is arranged on the adjusting frame (3); The surface of the laser cutting head (2) is provided with a rotating sleeve (4) near the position of the outlet, the rotating sleeve (4) is provided with a cleaning assembly (5), the outlet of the laser cutting head (2) is provided with optical glass (6), and one side of the cleaning assembly (5) is movably attached to the surface of the optical glass (6).

2. The high power ultrafast pulsed laser cutting apparatus according to claim 1, wherein, The rotating sleeve (4) comprises a rotating plate (7) for driving the cleaning assembly (5) to rotate and a rotating control assembly (8) for controlling the rotation of the rotating plate (7), the rotating plate (7) is arranged on the rotating control assembly (8), and the cleaning assembly (5) is arranged on the rotating plate (7).

3. The high power ultrafast pulsed laser cutting apparatus according to claim 2, wherein, The size and shape of the rotating plate (7) are matched with the size and shape of the optical glass (6).

4. The high power ultrafast pulsed laser cutting apparatus according to claim 3, wherein, The rotating control assembly (8) comprises a fixed seat (9), an inclined plate (10), a connecting rod (11), a track groove (12), a sliding block (13), a threaded hole (14), an adjusting screw (15) and a driving motor (16), the fixed seat (9) is fixed on the surface of the laser cutting head (2), the rotating plate (7) is rotatably connected to the fixed seat (9), the inclined plate (10) is fixedly connected to one side of the rotating plate (7), one end of the connecting rod (11) is rotatably connected to the end of the inclined plate (10) away from the rotating plate (7), the other end of the connecting rod (11) is rotatably connected to the surface of the sliding block (13), the track groove (12) is fixed on the side of the laser cutting head (2), the sliding block (13) is slidably connected to the inside of the track groove (12), the threaded hole (14) is formed in the surface of the sliding block (13), the adjusting screw (15) is rotatably connected to the side of the laser cutting head (2) at a position inside the track groove (12), the sliding block (13) is threadedly sleeved on the surface of the adjusting screw (15) through the threaded hole (14), and the driving motor (16) is arranged on the surface of the laser cutting head (2). The output shaft of the driving motor (16) is fixedly connected with the end surface of the adjusting screw (15).

5. The high power ultrafast pulsed laser cutting apparatus according to claim 4, wherein, The cleaning assembly (5) comprises a cleaning motor (17), a rotating rod (18) and a cleaning brush (19), the cleaning motor (17) is fixed on the side of the rotating plate (7) away from the optical glass (6), the output shaft of the cleaning motor (17) extends to the other side of the rotating plate (7) through the rotating plate (7), the rotating rod (18) is fixed on the output shaft of the cleaning motor (17), and the cleaning brush (19) is arranged on the side of the rotating rod (18) away from the rotating plate (7). When the rotating plate (7) is rotated to be parallel to the optical glass (6), the cleaning brush (19) is tightly attached to the surface of the optical glass (6).

6. The high power ultrafast pulsed laser cutting apparatus according to claim 5, wherein, The cleaning assembly (5) further comprises a water tank (20), a small-sized pressurizing pump (21), a cavity (22) and a spray head (23). The water tank (20) is arranged on the side of the rotating plate (7) away from the optical glass (6). The small-sized pressurizing pump (21) is arranged on the surface of the rotating plate (7). The inlet of the small-sized pressurizing pump (21) is fixedly connected with the water tank (20) and is in communication with the water tank (20). The cavity (22) is arranged in the interior of the rotating plate (7). The outlet of the small-sized pressurizing pump (21) is in communication with the cavity (22). The spray head (23) is embedded on the surface of the rotating plate (7) close to the optical glass (6).

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