A precision laser cutting device

Abstract

The utility model relates to the technical field of laser cutting of metal sheets, and specifically to a precision laser cutting device, comprising a cutting bed, a limiting guide groove being provided on the surface of the cutting bed, the surface of the limiting guide groove being slidably connected to the surface of a supporting slider, the top surface of the supporting slider being fixedly connected to the bottom surface of a side plate of a fixed frame, and a card slot being provided on the top surface of the fixed frame: the precision laser cutting device proposed by the utility model can realize laser cutting of a metal sheet placed on the top surface of the cutting bed by opening the main body of the laser cutting device, and the protrusion on the top of the brush plate is carded into the inside of the guide groove, and the brush plate is moved up and down when the hydraulic cylinder is started, and before the main body of the laser cutting device cuts the metal sheet on the top surface of the cutting bed, the brush plate can be driven to move by the fixed frame, so that impurities on the surface of the metal sheet are cleaned by the brush plate, thereby improving the cutting precision of the metal sheet, and at the same time, the brush plate can be disassembled and replaced due to wear caused by long-term use.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting of metal plates, in particular to a precision laser cutting device. Background Art

[0002] The laser cutting device is a device that transmits the laser light emitted from the laser through the optical path system and focuses it into a high-power density laser beam. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach its melting point or boiling point. At the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal. As the relative position of the beam and the workpiece moves, a slit is eventually formed in the material, thereby achieving the purpose of cutting.

[0003] However, in the prior art, when the laser cutting device is cutting metal sheets, impurities will inevitably appear on the surface of the metal sheets before cutting. If the impurities remaining on the surface of the metal sheets are not cleaned up before cutting, the laser beam of the laser cutting device will be refracted during the cutting process, thereby affecting the cutting accuracy. The brush will also need to be disassembled and replaced due to wear after being used for a long time.

[0004] Therefore, we need a precision laser cutting device to solve the problem of cleaning impurities on the surface of existing metal plates before laser cutting, and also to realize the disassembly and replacement of brushes that have been used for a long time. Utility Model Content

[0005] The purpose of the utility model is to provide a precision laser cutting device to solve the problem of cleaning impurities on the surface of existing metal plates before laser cutting proposed in the above background technology, and also to realize the disassembly and replacement of brushes that have been used for a long time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision laser cutting device, comprising a cutting bed, a limiting guide groove is provided on the surface of the cutting bed, the surface of the limiting guide groove is slidably connected to the surface of the supporting slider, the top surface of the supporting slider is fixedly connected to the bottom surface of the side plate of the fixed frame, a clamping groove is provided on the top surface of the fixed frame, the surface of the clamping groove is clamped to the surface of the protrusion of the moving frame, the surface of the moving frame is fixedly connected to the surface of the laser cutting device body, the surface of the fixed frame is fixedly connected to the surface of the fixed plate, the bottom surface of the fixed plate is fixedly connected to the top surface of the hydraulic cylinder, the power output shaft end of the hydraulic cylinder is fixed to the top surface of the lifting plate, the bottom surface of the lifting plate is provided with a guide groove, the surface of the guide groove is movably connected to the protrusion, and the bottom surface of the protrusion is fixed to the top surface of the brush plate.

[0007] Preferably, the surface of the cutting bed is fixed to the surface of the toothed plate support frame, the top surface of the toothed plate support frame is fixed to the bottom surface of the toothed plate, the teeth of the toothed plate mesh with the teeth of the driving gear, the surface of the driving gear is fixed to the power output shaft end of the No. 2 servo motor, and the base of the No. 2 servo motor is fixed to the surface of one side plate of the fixed frame.

[0008] Preferably, the card slot is arranged in a "concave" shape. A threaded rod is rotatably connected to the surface of the card slot. One end of the threaded rod penetrates through the convex block surface of the moving frame and is screwed into the threaded hole of the convex block of the moving frame. The other end of the threaded rod is fixedly connected to the power output shaft end of the first servo motor, and the base of the first servo motor is fixed on the surface of one side plate of the fixed frame.

[0009] Preferably, the number of the fixed plates is two, and the two fixed plates are symmetrically arranged along the center point of the fixed frame.

[0010] Preferably, the limiting guide groove is arranged in a "convex" shape. The number of the limiting guide grooves is two, and the two limiting guide grooves are symmetrically arranged along the center point of the cutting bed surface.

[0011] Preferably, the fixed frame is arranged in a "C" shape, and the length of the fixed frame is equal to the width of the cutting bed surface.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: By moving the fixed frame along the top surface of the cutting bed surface and fixing the surface of the moving frame on the surface of the laser cutting device body, the laser cutting device body can move along the surface of the fixed frame. If the laser cutting device body is turned on, laser cutting can be performed on the metal plate placed on the top surface of the cutting bed surface. The convex block at the top of the brush plate is clamped inside the guide groove. When the hydraulic cylinder is started, the brush plate moves up and down. Before the laser cutting device body cuts the metal plate on the top surface of the cutting bed surface, the fixed frame can drive the brush plate to move, so as to clean the impurities on the surface of the metal plate through the brush plate, improve the cutting precision of the metal plate, and at the same time, it can be realized that the brush plate is disassembled and replaced due to long-term use and wear; further solves the problem of cleaning the impurities on the surface of the existing metal plate before laser cutting, and can also realize the disassembly and replacement of the brush that has been used for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a top-down three-dimensional schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the present utility model;

[0015] Figure 3 It is a three-dimensional schematic diagram of the fixed frame structure of the present utility model;

[0016] Figure 4 It is a three-dimensional schematic diagram of the cross-section of the lifting plate structure of the present utility model;

[0017] Figure 5 It is the structure of the present utility model Figure 1 The enlarged schematic diagram at A in the figure.

[0018] In the figure: cutting bed surface 1, limiting guide groove 2, supporting slide block 3, fixed frame 4, tooth plate supporting frame 5, tooth plate 6, slot 7, moving frame 8, laser cutting device body 9, fixed plate 10, hydraulic cylinder 11, lifting plate 12, protrusion 13, brush plate 14, No. 1 servo motor 15, threaded rod 16, guide groove 17, No. 2 servo motor 18, driving gear 19. DETAILED DESCRIPTION

[0019] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 5 The utility model provides a technical solution: a precision laser cutting device, comprising a cutting bed 1, a limiting guide groove 2 is provided on the surface of the cutting bed 1, the surface of the limiting guide groove 2 is slidably connected to the surface of a supporting slider 3, the top surface of the supporting slider 3 is fixedly connected to the bottom surface of the side plate of a fixed frame 4, a card slot 7 is provided on the top surface of the fixed frame 4, the surface of the card slot 7 is carded to the surface of the protrusion of a moving frame 8, the surface of the moving frame 8 is fixedly connected to the surface of a laser cutting device body 9, the surface of the fixed frame 4 is fixedly connected to the surface of a fixed plate 10, the bottom surface of the fixed plate 10 is fixedly connected to the top surface of a hydraulic cylinder 11, the power output shaft end of the hydraulic cylinder 11 is fixed to the top surface of a lifting plate 12, and a guide groove 17 is provided on the bottom surface of the lifting plate 12. The surface of the guide groove 17 is movably connected to the protrusion 13, and the bottom surface of the protrusion 13 is fixed to the top surface of the brush plate 14. By opening the laser cutting device body 9, the metal sheet placed on the top surface of the cutting bed 1 can be laser cut, and the protrusion 13 on the top of the brush plate 14 is clamped into the inside of the guide groove 17. When the hydraulic cylinder 11 is started, the brush plate 14 moves up and down. Before the laser cutting device body 9 cuts the metal sheet on the top surface of the cutting bed 1, the brush plate 14 can be driven to move by the fixed frame 4, so that the impurities on the surface of the metal sheet can be cleaned by the brush plate 14, thereby improving the cutting precision of the metal sheet. At the same time, the brush plate 14 can be disassembled and replaced due to long-term use and wear.

[0022] Embodiment 2

[0023] Refer to the attached Figures 1 to 5On the basis of the first embodiment, in order to realize the automatic movement of the fixed frame 4 along the top surface of the cutting bed surface 1, the surface of the cutting bed surface 1 is fixedly connected to the surface of the toothed plate support frame 5, the top surface of the toothed plate support frame 5 is fixedly connected to the bottom surface of the toothed plate 6, the teeth of the toothed plate 6 mesh with the teeth of the driving gear 19, the surface of the driving gear 19 is fixed to the power output shaft end of the second servo motor 18, and the base of the second servo motor 18 is fixed to the surface of one side plate of the fixed frame 4;

[0024] By fixing the power output shaft end of the No. 2 servo motor 18 on the surface of the driving gear 19, engaging the teeth of the driving gear 19 with the teeth of the gear plate 6, and then fixing the bottom surface of the gear plate 6 on the top surface of the gear plate support frame 5, when the No. 2 servo motor 18 is started, the fixed frame 4 can be automatically moved back and forth along the top surface of the cutting bed 1, so that the laser cutting device body 9 can be changed to perform laser cutting on different positions of the metal sheet on the top surface of the cutting bed 1.

[0025] Embodiment 3

[0026] Refer to the attached Figures 1 to 5 On the basis of the second embodiment, in order to realize that the laser cutting device body 9 can move automatically, the card slot 7 is set in a "concave" shape, and the surface of the card slot 7 is rotatably connected with a threaded rod 16, one end of the threaded rod 16 penetrates the surface of the convex block of the moving frame 8, and the surface of the threaded rod 16 is screwed into the screw hole of the convex block of the moving frame 8, and the other end of the threaded rod 16 is fixedly connected to the power output shaft end of the No. 1 servo motor 15, and the base of the No. 1 servo motor 15 is fixed to the surface of one side plate of the fixed frame 4;

[0027] By screwing the surface of the threaded rod 16 into the screw hole of the protrusion of the moving frame 8, and then fixing one end of the threaded rod 16 to the power output shaft end of the No. 1 servo motor 15, when the No. 1 servo motor 15 is started, the threaded rod 16 rotates inside the slot 7, so that the laser cutting device body 9 fixed on the surface of the moving frame 8 can automatically move back and forth along the surface of the fixed frame 4. Therefore, the metal plate on the surface of the cutting bed 1 can be laser cut by adjusting the position of the laser cutting device body 9.

[0028] In actual use, by opening the laser cutting device body 9, the metal sheet placed on the top surface of the cutting bed 1 can be laser cut, and the protrusion 13 on the top of the brush plate 14 is clamped into the inside of the guide groove 17. When the hydraulic cylinder 11 is started, the brush plate 14 moves up and down. Before the laser cutting device body 9 cuts the metal sheet on the top surface of the cutting bed 1, the brush plate 14 can be driven to move by the fixed frame 4, so that the impurities on the surface of the metal sheet can be cleaned by the brush plate 14, thereby improving the cutting precision of the metal sheet. At the same time, the brush plate 14 can be disassembled and replaced due to long-term use and wear, by fixing the power output shaft end of the No. 2 servo motor 18 on the surface of the driving gear 19, the teeth of the driving gear 19 are meshed with the teeth of the tooth plate 6, and then the tooth plate The bottom surface of 6 is fixed to the top surface of the toothed plate support frame 5. When the No. 2 servo motor 18 is started, the fixed frame 4 can be automatically moved back and forth along the top surface of the cutting bed 1. Therefore, the laser cutting device body 9 can be changed to perform laser cutting on different positions of the metal sheet on the top surface of the cutting bed 1. The surface of the threaded rod 16 is screwed into the screw hole of the protrusion of the moving frame 8, and then one end of the threaded rod 16 is fixed to the power output shaft end of the No. 1 servo motor 15. When the No. 1 servo motor 15 is started, the threaded rod 16 rotates inside the slot 7, so that the laser cutting device body 9 fixed on the surface of the moving frame 8 can automatically move back and forth along the surface of the fixed frame 4. Therefore, the metal sheet on the surface of the cutting bed 1 is laser cut by adjusting the position of the laser cutting device body 9.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision laser cutting device, comprising a cutting table (1), characterized in that: A limiting guide groove (2) is formed on the surface of the cutting bed surface (1). The surface of the limiting guide groove (2) is slidably connected to the surface of a support slider (3). The top surface of the support slider (3) is fixedly connected to the bottom surface of the side plate of a fixed frame (4). A clamping groove (7) is formed on the top surface of the fixed frame (4). The surface of the clamping groove (7) is clamped to the surface of a convex block of a moving frame (8). The surface of the moving frame (8) is fixedly connected to the surface of a laser cutting device body (9). The surface of the fixed frame (4) is fixedly connected to the surface of a fixing plate (10). The bottom surface of the fixing plate (10) is fixedly connected to the top surface of a hydraulic cylinder (11). The power output shaft end of the hydraulic cylinder (11) is fixed to the top surface of a lifting plate (12). A guide groove (17) is formed on the bottom surface of the lifting plate (12). The surface of the guide groove (17) is movably connected to a convex block (13). The bottom surface of the convex block (13) is fixed to the top surface of a brush plate (14).

2. A precision laser cutting device according to claim 1, characterized in that: The surface of the cutting bed surface (1) is fixedly connected to the surface of a toothed plate support frame (5). The top surface of the toothed plate support frame (5) is fixedly connected to the bottom surface of a toothed plate (6). The teeth of the toothed plate (6) are meshed with the teeth of a driving gear (19). The surface of the driving gear (19) is fixed to the power output shaft end of a second servo motor (18). The base of the second servo motor (18) is fixed to the surface of a side plate of the fixed frame (4).

3. A precision laser cutting device according to claim 1, characterized in that: The clamping groove (7) is arranged in a "concave" shape. A threaded rod (16) is rotatably connected to the surface of the clamping groove (7). One end of the threaded rod (16) penetrates through the convex block surface of the moving frame (8). The surface of the threaded rod (16) is screwed into the threaded hole of the convex block of the moving frame (8). The other end of the threaded rod (16) is fixedly connected to the power output shaft end of a first servo motor (15). The base of the first servo motor (15) is fixed to the surface of a side plate of the fixed frame (4).

4. A precision laser cutting device according to claim 1, characterized in that: The number of the fixing plates (10) is two, and the two fixing plates (10) are symmetrically arranged along the center point of the fixed frame (4).

5. The precision laser cutting device according to claim 1, characterized in that: The limiting guide groove (2) is arranged in a "convex" shape. The number of the limiting guide grooves (2) is two, and the two limiting guide grooves (2) are symmetrically arranged along the center point of the cutting bed surface (1).

6. The precision laser cutting device according to claim 1, characterized in that: The fixed frame (4) is arranged in a "C" shape, and the length of the fixed frame (4) is equal to the width of the cutting bed surface (1).

Images