CN111958130A

CN111958130A - High-precision femtosecond laser cutting device

Info

Publication number: CN111958130A
Application number: CN202010813366.6A
Authority: CN
Inventors: 李�杰; 李磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-20
Anticipated expiration: 2040-08-13
Also published as: CN111958130B

Abstract

The invention discloses a high-precision femtosecond laser cutting device, which belongs to the technical field of laser cutting devices and comprises a base, wherein an operation groove is formed in the middle of the upper end surface of the base, sliding grooves are formed in the two sides of the upper surface of the base and are parallel to the operation groove, electric sliding rails are fixedly arranged in the sliding grooves, a workpiece moving frame is arranged in operation, a fastening screw rod is used for fixing the workpiece moving frame, an adjusting screw rod on a machine frame at a specified position is rotated, then the electric sliding rails are started, a machine body is driven by the electric sliding rails to move, a power supply of the electric sliding rails is disconnected after a moving conducting plate is contacted with the fixed conducting plate, then a servo motor is started, a screw rod is driven by the servo motor to rotate, a sliding cylinder drives a laser to move, and two exhaust fans are started at the moment, and the generated dust is pumped into the purifying box by using the exhaust fan and then is discharged through the multilayer filter element in sequence.

Description

High-precision femtosecond laser cutting device

Technical Field

The invention relates to the technical field of laser cutting devices, in particular to a high-precision femtosecond laser cutting device.

Background

The laser cutting machine focuses laser emitted from a laser into a laser beam with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to enable the workpiece to reach a melting point or a boiling point, and simultaneously, the high-pressure gas coaxial with the laser beam blows away the molten or gasified metal;

the conventional apparatus has the following disadvantages:

at present, high temperature and gas which can be generated during operation of a laser cutting machine also generate a large amount of dust, particularly, when some special metal materials are processed, generated smoke mostly contains a large amount of chemical components, the dust can be suspended in the air and is harmful to human bodies after being inhaled, the cutting precision of most laser cutting machines is not high, the product quality is influenced, and a high-precision femtosecond laser cutting device needs to be designed.

Disclosure of Invention

The invention aims to provide a high-precision femtosecond laser cutting device, which aims to solve the problems that the prior art proposed in the background art can generate high temperature and gas during operation of a laser cutting machine, and simultaneously generate a large amount of dust, particularly, when some special metal materials are processed, the generated smoke contains a large amount of chemical components, the dust can be suspended in the air and is harmful to a human body after being inhaled, and most laser cutting machines are low in cutting precision and influence the product quality, so that the high-precision femtosecond laser cutting device needs to be designed.

In order to achieve the purpose, the invention provides the following technical scheme: a high-precision femtosecond laser cutting device comprises a base, wherein the middle part of the upper end surface of the base is provided with an operating groove, meanwhile, the two sides of the upper surface of the base are both provided with sliding grooves which are parallel to the operation groove, electric sliding rails are fixedly arranged inside the sliding grooves, meanwhile, a machine body is fixedly arranged on the electric sliding rail, the interior of the machine body is vertical to the operating groove and is provided with an installation groove, the bottom end surface of the installation groove extends out of the machine body, an auxiliary rod and a screw rod are sequentially arranged in the installation groove from top to bottom, meanwhile, the auxiliary rod is fixedly connected with the wall of the mounting groove, both ends of the screw rod are rotatably connected with the wall of the mounting groove through bearings, one side of the outer wall surface of the machine body is fixedly provided with a servo motor, meanwhile, a rotating shaft at the output end of the servo motor is in butt joint with the screw rod, a sliding cylinder is sleeved on the screw rod in a threaded manner and is sleeved on the auxiliary rod, and a laser is fixedly mounted at the bottom end of the sliding cylinder.

As a preferred technical scheme of the present invention, both sides of the machine body are fixedly provided with a guiding channel, and a bottom end surface of the guiding channel is fixedly provided with a guiding cover, one side of an outer wall surface of the base is provided with a purifying mechanism, the purifying mechanism comprises a purifying box, the purifying box is fixedly arranged on one side surface of the outer wall of the base, a top end surface of the guiding channel is fixedly connected with a top end surface of the purifying box through a conduit, a suction fan is fixedly arranged in a port of the top end surface of the purifying box and at a lower end of one side of the outer wall surface of the purifying box, a circle of lapping rod is fixedly arranged on an inner wall surface of the purifying box, a filter element is fixedly arranged on the lapping rod, a PLC controller is fixedly arranged on the other side of the outer wall of the.

As a preferred technical scheme of the invention, a plurality of groups of frames are fixedly arranged at the upper end of one side surface of the base positioned on the PLC, the top end surfaces of the frames are all in threaded connection with adjusting screws, meanwhile, the ends of the adjusting screws are all fixedly provided with fixed conducting strips, one side of the machine body close to the frames is fixedly provided with a movable conducting strip, the frames are fixedly provided with relays, and the movable conducting strip, the fixed conducting strips and the electric slide rails are all electrically connected with the relays.

According to a preferable technical scheme of the invention, the operation groove is in a concave shape, threaded holes are formed in four corners of the operation groove, and fastening screws are connected to the inner portions of the threaded holes in a threaded manner.

As a preferred technical scheme of the invention, the two sides of the bottom end surface of the base are fixedly provided with the anti-slip rods, and the anti-slip rods are made of rubber materials.

As a preferred technical scheme of the invention, a placing box is arranged on one side of the outer wall surface of the base, which is positioned on the PLC controller, and is in sliding connection with the base, a handle is fixedly arranged on the outer wall surface of the placing box, and a plurality of placing grids are arranged inside the placing box.

As a preferred technical scheme of the invention, the filter element is provided with a plurality of layers, and the filter diameters of the filter elements are sequentially reduced, so that the dust purification effect is better.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a high-precision femtosecond laser cutting device, which is characterized in that a workpiece moving frame is arranged in operation, a fastening screw is used for fixing the workpiece moving frame, an adjusting screw on a machine frame at a specified position is rotated, an electric slide rail is started, a machine body is driven by the electric slide rail to move, a power supply of the electric slide rail is disconnected after a moving conducting plate is contacted with a fixed conducting plate, the cutting precision can be improved, manual adjustment is not needed manually, the cutting quality of a product is improved, a servo motor is started, a screw rod is driven by the servo motor to rotate, a sliding cylinder drives a laser to move, two exhaust fans are started at the moment, generated dust is pumped into a purifying box by the exhaust fans and then is discharged by a plurality of layers of filter elements in sequence, and a plurality of layers of filter elements are arranged, so that the pollution to the environment is reduced and the dust suction, improving the health condition and improving the purifying treatment effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the connection structure of the present invention;

FIG. 3 is a schematic view of the enlarged partial connection structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the front view of the connection structure of the body, the introducing passage and the introducing cover;

FIG. 5 is a side view of the connection structure of the body, the introducing passage and the introducing cover.

In the figure: 1. placing the box; 2. a base; 3. a PLC controller; 4. a body; 5. a chute; 6. an operation slot; 7. an anti-slip bar; 8. a purification mechanism; 81. a purification box; 82. an exhaust fan; 83. building a rod; 84. a filter element; 9. mounting grooves; 10. an auxiliary lever; 11. a screw rod; 12. a servo motor; 13. a sliding cylinder; 14. a laser; 15. a lead-in channel; 16. a lead-in cover; 17. an electric slide rail; 18. a frame; 19. adjusting the screw rod; 20. fixing the conducting strip; 21. moving the conducting strip; 22. a relay; 23. and (5) fastening the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a high precision femtosecond laser cutting device, which comprises a base 2, wherein an operation groove 6 is formed in the middle of the upper end surface of the base 2, sliding grooves 5 are formed in both sides of the upper surface of the base 2 in parallel with the operation groove 6, electric sliding rails 17 are fixedly installed inside the sliding grooves 5, a machine body 4 is fixedly installed on the electric sliding rails 17, an installation groove 9 is formed in the machine body 4 perpendicularly to the operation groove 6, the bottom end surface of the installation groove 9 extends out of the machine body 4, an auxiliary rod 10 and a screw rod 11 are sequentially arranged in the installation groove 9, the auxiliary rod 10 is fixedly connected with the groove wall of the installation groove 9, both ends of the screw rod 11 are rotatably connected with the groove wall of the installation groove 9 through bearings, a servo motor 12 is fixedly installed on one side of the outer wall surface of the machine body 4, the rotating shaft of the output end of the servo motor 12 is butted with the screw rod 11, and the bottom end of the sliding cylinder 13 is fixedly provided with a laser 14.

Specifically, both sides of the machine body 4 are fixedly provided with a guiding channel 15 and the bottom end face of the guiding channel 15 is fixedly provided with a guiding cover 16, one side of the outer wall surface of the base 2 is provided with a purifying mechanism 8 and the purifying mechanism 8 comprises a purifying box 81, the purifying box 81 is fixedly arranged on one side of the outer wall surface of the base 2 and the top end face of the guiding channel 15 is fixedly connected with the top end face of the purifying box 81 through a guide pipe, a suction fan 82 is fixedly arranged in the port of the top end face of the purifying box 81 and at the lower end of one side of the outer wall surface of the purifying box 81, a circle of lapping rod 83 is fixedly arranged on the inner wall surface of the purifying box 81, a filter element 84 is fixedly arranged on the lapping rod 83, the other side of the outer wall of the base 2 is fixedly provided with the.

Specifically, base 2 has a plurality of groups of frame 18 and the equal threaded connection of top terminal surface of frame 18 at a side upper end fixed mounting that is located PLC controller 3 has adjusting screw 19, the equal fixed mounting of adjusting screw 19's end department has fixed conducting strip 20 simultaneously, organism 4 has removal conducting strip 21 at one side fixed mounting that is close to frame 18, fixed mounting has relay 22 in the frame 18, remove conducting strip 21 simultaneously, fixed conducting strip 20, electric slide rail 17 all is connected with relay 22 electricity, can improve the precision of cutting like this, thereby improve the quality.

Specifically, the shape of operation groove 6 is character cut in bas-relief, and threaded hole has all been seted up in the four corners department of operation groove 6, and the equal threaded connection in inside of threaded hole has fastening screw 23 simultaneously, and fastening screw 23 is used for fixed work piece to remove the frame.

The equal fixed mounting in bottom face both sides of base 2 has antiskid ribbed tile 7, and antiskid ribbed tile 7 all adopts rubber material to make simultaneously, and antiskid ribbed tile 7 that rubber material made is used for the antiskid.

Specifically, the outer wall of base 2 is equipped with in the one side that is located PLC controller 3 and places box 1 and place box 1 and base 2 sliding connection, and the outer wall fixed mounting who places box 1 has the handle, and the inside of placing box 1 simultaneously is equipped with a plurality of and places the check, places box 1, places the check and is convenient for categorised placing object article.

Specifically, the filter element 84 is provided with a plurality of layers, and meanwhile, the filter diameters of the filter element 84 are sequentially reduced, so that the dust purification effect is better.

When the high-precision femtosecond laser cutting device is used, the whole device is arranged at a designated position, other parts are installed, a workpiece moving frame is arranged in an operation groove 6, the workpiece moving frame is fixed by a fastening screw 23, an adjusting screw 19 on a rack 18 at the designated position is rotated, an electric slide rail 17 is started, a machine body 4 is driven by the electric slide rail 17 to move until a movable conducting plate 21 is contacted with a fixed conducting plate 20, a power supply of the electric slide rail 17 is disconnected, a servo motor 12 is started, a screw rod 11 is driven by the servo motor 12 to rotate, a sliding cylinder 13 drives a laser 14 to move, two suction fans 82 are started at the moment, generated dust is sucked into a purification box 81 by the suction fans 82, and then the dust is discharged through a plurality of layers of filter elements 84 in sequence.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy femto second laser cutting device, includes base (2), its characterized in that: the upper end face of the base (2) is provided with an operation groove (6), the two sides of the upper surface of the base (2) are parallel to the operation groove (6) and are provided with a sliding groove (5), the inside of the sliding groove (5) is fixedly provided with an electric sliding rail (17), the electric sliding rail (17) is fixedly provided with a machine body (4), the inside of the machine body (4) is perpendicular to the operation groove (6) and is provided with a mounting groove (9), the bottom end face of the mounting groove (9) extends out of the machine body (4), the inside of the mounting groove (9) is sequentially provided with an auxiliary rod (10) and a lead screw (11), the auxiliary rod (10) is fixedly connected with the groove wall of the mounting groove (9), the two ends of the lead screw (11) are rotatably connected with the groove wall of the mounting groove (9) through bearings, one side of the outer wall face of the machine body (4) is fixedly provided with a servo motor (12), a sliding cylinder (13) is sleeved on the screw rod (11) in a threaded manner, the sliding cylinder (13) is sleeved on the auxiliary rod (10), and a laser (14) is fixedly installed at the bottom end of the sliding cylinder (13);

the machine body (4) is fixedly provided with a leading-in channel (15) at two sides and a leading-in cover (16) at the bottom end face of the leading-in channel (15), a purification mechanism (8) is arranged at one side of the outer wall face of the base (2) and the purification mechanism (8) comprises a purification box (81), the purification box (81) is fixedly arranged at one side of the outer wall face of the base (2) and the top end face of the leading-in channel (15) is fixedly connected with the top end face of the purification box (81) through a guide pipe, the lower ends of the top end face of the purification box (81) and one side of the outer wall face of the purification box (81) are fixedly provided with an air suction fan (82), the inner wall face of the purification box (81) is fixedly provided with a circle of a lapping rod (83), a filter element (84) is fixedly arranged on the lapping rod (83), and a PLC controller (, meanwhile, the electric slide rail (17) and the servo motor (12) are electrically connected with the PLC controller (3).

2. A high precision femtosecond laser cutting apparatus according to claim 1, characterized in that: base (2) have equal threaded connection of the top terminal surface of a plurality of groups frame (18) and frame (18) at a side upper end fixed mounting that is located PLC controller (3) have adjusting screw (19), and the equal fixed mounting of the end department of adjusting screw (19) has fixed conducting strip (20) simultaneously, organism (4) have removal conducting strip (21) at one side fixed mounting that is close to frame (18), fixed mounting has relay (22) on frame (18), removes conducting strip (21), fixed conducting strip (20), electronic slide rail (17) simultaneously and all is connected with relay (22) electricity.

3. A high precision femtosecond laser cutting apparatus according to claim 1, characterized in that: the shape of operation groove (6) is the character cut in bas-relief, the four corners department of operation groove (6) all sets up threaded hole, and the equal threaded connection in inside of threaded hole has fastening screw (23) simultaneously.

4. A high precision femtosecond laser cutting apparatus according to claim 1, characterized in that: the anti-skidding device is characterized in that anti-skidding rods (7) are fixedly mounted on two sides of the bottom end face of the base (2), and the anti-skidding rods (7) are made of rubber materials.

5. A high precision femtosecond laser cutting apparatus according to claim 1, characterized in that: the outer wall of base (2) is equipped with in the one side that is located PLC controller (3) and places box (1) and place box (1) and base (2) sliding connection, the outer wall fixed mounting who places box (1) has the handle, and the inside of placing the box simultaneously is equipped with a plurality of and places the check.

6. A high precision femtosecond laser cutting apparatus according to claim 1, characterized in that: the filter element (84) is provided with a plurality of layers, and the filter diameters of the filter element (84) are reduced in sequence.