Optical fiber laser cutting machine with protective structure

Abstract

The utility model discloses an optical fiber laser cutting machine with a protective structure, which comprises a cutting table, a cutting machine body is fixedly mounted on the surface of the cutting table, a laser head is movably mounted on the cutting machine body, a first protective frame and a second protective frame respectively cover the outer side of the cutting machine body, and a fixing frame is fixedly mounted in the middle of the cutting table. The back face of the fixing frame is fixedly connected with a driving motor in a screwed mode, and an output shaft of the driving motor is fixedly connected with a rotating shaft of a worm. A first fixing plate and a second fixing plate are fixedly installed at the two ends of the surface of the cutting table correspondingly, and a lead screw is movably installed between the first fixing plate and the second fixing plate. According to the optical fiber laser cutting machine with the protection structure, the first protection frame and the second protection frame are combined together to cover the outer side of the cutting machine body, protection work can be carried out when the cutting machine body works, and laser dazzling damage caused by a laser head can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of laser cutting machines, in particular to an optical fiber laser cutting machine with a protective structure. Background Art

[0002] Laser cutting machine is a kind of equipment that uses high-energy laser beam generated by fiber laser to cut materials; it is usually used for cutting various materials such as metal, plastic, wood, etc.

[0003] Compared with traditional cutting methods, laser cutting machines have many advantages, such as fast cutting speed, high precision, good incision quality, and automated production. It can cut parts of various shapes and sizes, and can be customized without the need for molds.

[0004] In industrial production, laser cutting machines are widely used in automobile manufacturing, aerospace, electronic equipment, mechanical processing and other fields;

[0005] Laser cutting uses a high-power density focused laser beam to scan the surface of the material, heating the material to several thousand or even tens of thousands of degrees Celsius in a very short time, causing the material to melt or vaporize instantly, and then uses high-pressure gas to blow the molten or vaporized material away from the cut, thereby achieving the purpose of cutting the material.

[0006] A carbon dioxide modified fiber laser cutting machine with convenient heat dissipation and Chinese patent authorization publication number CN213729995U belongs to the technical field of laser cutting machine equipment, including a machine body, a first electric linear slide, a gantry, a second electric linear slide, and a fiber laser cutting head. The first electric linear slides are installed on both sides of the top surface of the machine body, and two groups of the first electric linear slides are connected by a gantry. The second electric linear slide is installed in the middle of the gantry surface.

[0007] The above-mentioned prior art solutions have the following defects: no protective structure is provided on the outside, which may easily cause damage due to laser glare. Utility Model Content

[0008] The purpose of the utility model is to provide a fiber laser cutting machine with a protective structure to solve the defects mentioned in the above background technology.

[0009] To achieve the above-mentioned purpose, a fiber laser cutting machine with a protective structure is provided, comprising a cutting table, a cutting machine body is fixedly mounted on the surface of the cutting table, and a laser head is movably mounted on the cutting machine body, while the outer side of the cutting machine body is respectively covered with a first protective frame and a second protective frame, and a fixing frame is fixedly mounted in the middle of the cutting table, the back side of the fixing frame is screwed and fixed to a driving motor, and the output shaft of the driving motor is fixedly connected to the rotating shaft of the worm;

[0010] The first fixed plate and the second fixed plate are respectively fixedly installed at both ends of the surface of the cutting table, and a screw rod is movably installed between the first fixed plate and the second fixed plate. At the same time, a guide rod is fixedly installed between the first fixed plate and the second fixed plate, the top of the second protective frame is fixedly connected to the second drive seat, and the top of the first protective frame is fixedly connected to the first drive seat.

[0011] Preferably, the first protective frame and the second protective frame are both "U"-shaped structures made of acrylic material, and the first protective frame and the second protective frame are synchronously moving toward each other.

[0012] Preferably, a slide block is fixedly installed at the bottom of the first protective frame and the second protective frame, and a slide rail is provided on the surface of the cutting table. Meanwhile, the sizes of the slide rail and the slide block are matched, and the slide block is slidably arranged inside the slide rail. A positioning seat is fixedly arranged at the end opening of the first protective frame, and a positioning groove is provided at the end opening of the second protective frame. The sizes of the positioning groove and the positioning seat are matched, and the positioning seat is inserted into the positioning groove. The first protective frame and the second protective frame are positioned and assembled through the positioning groove and the positioning seat.

[0013] Preferably, the cross-sections of the slide rail and the slider are both dovetail-shaped, and the first protection frame and the second protection frame are movably connected on the surface of the cutting table through the slide rail and the slider.

[0014] Preferably, screw holes are provided inside the first drive seat and the second drive seat, and screw rods are screwed into the screw holes inside the first drive seat and the second drive seat, and a worm gear is fixedly installed on the rotating shaft of the screw rod, and two sets of guide rods are inserted inside the first drive seat and the second drive seat.

[0015] Preferably, the sizes of the worm wheel and the worm are matched, and the worm wheel and the worm are meshingly connected, and the driving motor drives the first protection frame and the second protection frame to open and close through the worm wheel, the worm and two sets of lead screws.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The first protection frame and the second protection frame are combined together to cover the outside of the cutting machine body, which can protect the cutting machine body when it is working, and has the following advantages:

[0018] 1. The protective cover can also prevent dust, debris and other debris from entering the cutting machine and affecting the normal operation of the equipment;

[0019] 2. It can reduce the impact of the laser cutting machine on the surrounding environment during use, such as avoiding potential dangers caused by laser beam scattering; the protective cover can also help extend the service life of the equipment and reduce repair and maintenance costs;

[0020] 3. The first protective frame and the second protective frame are combined together to cover the outside of the cutting machine body to prevent the laser head from causing laser glare. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0022] Figure 2 The utility model structure Figure 1 A top view of

[0023] Figure 3 This is a schematic diagram of opening the first protection frame and the second protection frame of the utility model structure;

[0024] Figure 4 It is a schematic diagram of the positioning structure of the first protection frame and the second protection frame of the utility model.

[0025] Numbers in the figure: 1. cutting table; 2. cutting machine body; 3. laser head; 4. fixing frame; 5. driving motor; 6. worm; 7. worm wheel; 8. first driving seat; 9. first protective frame; 10. guide rod; 11. screw rod; 12. first fixing plate; 121. second fixing plate; 13. second driving seat; 14. second protective frame; 15. sliding block; 16. sliding rail; 17. positioning seat; 18. positioning groove. DETAILED DESCRIPTION

[0026] See also Figure 1-4 The utility model provides a fiber laser cutting machine with a protective structure, including a cutting table 1, a cutting machine body 2 is fixedly installed on the surface of the cutting table 1, and a laser head 3 is movably installed on the cutting machine body 2, and the outer side of the cutting machine body 2 is respectively covered with a first protective frame 9 and a second protective frame 14, and a fixing frame 4 is fixedly installed in the middle of the cutting table 1, and the back of the fixing frame 4 is screwed and fixed to a driving motor 5, and the output shaft of the driving motor 5 is fixedly connected to the rotating shaft of a worm 6;

[0027] The first fixing plate 12 and the second fixing plate 121 are fixedly installed at both ends of the surface of the cutting table 1, and the screw rod 11 is movably installed between the first fixing plate 12 and the second fixing plate 121. At the same time, the guide rod 10 is fixedly installed between the first fixing plate 12 and the second fixing plate 121, the top of the second protective frame 14 is fixedly connected to the second driving seat 13, and the top of the first protective frame 9 is fixedly connected to the first driving seat 8.

[0028] Working principle: During use, when the cutting machine body 2 starts working, the external switch of the drive motor 5 is started, and the output shaft of the drive motor 5 drives the worm 6 and the worm wheel 7 to rotate, so that the two sets of screws 11 rotate synchronously, and the first protective frame 9 and the second protective frame 14 move synchronously inside. The first protective frame 9 and the second protective frame 14 are combined together to cover the outside of the cutting machine body 2, which can avoid laser glare caused by the laser head.

[0029] As a preferred embodiment, the first protective frame 9 and the second protective frame 14 are both "U"-shaped structures made of acrylic material, and the first protective frame 9 and the second protective frame 14 are synchronously moving toward each other.

[0030] The first protective frame 9 and the second protective frame 14 are combined together to cover the outside of the cutting machine body 2, and can protect the cutting machine body 2 when it is working, which has the following advantages:

[0031] 1. The protective cover can also prevent dust, debris and other debris from entering the cutting machine and affecting the normal operation of the equipment;

[0032] 2. It can reduce the impact of the laser cutting machine on the surrounding environment during use, such as avoiding potential dangers caused by laser beam scattering; the protective cover can also help extend the service life of the equipment and reduce repair and maintenance costs.

[0033] The bottom of the first protective frame 9 and the second protective frame 14 are fixedly installed with a slide block 15, and a slide rail 16 is provided on the surface of the cutting table 1. At the same time, the sizes of the slide rail 16 and the slide block 15 are adapted, and the slide block 15 is slidably arranged inside the slide rail 16. A positioning seat 17 is fixedly arranged at the end opening of the first protective frame 9, and a positioning groove 18 is provided at the end opening of the second protective frame 14. The sizes of the positioning groove 18 and the positioning seat 17 are adapted, and the positioning seat 17 is inserted into the positioning groove 18. The first protective frame 9 and the second protective frame 14 are positioned and assembled through the positioning groove 18 and the positioning seat 17.

[0034] The cross-sections of the slide rail 16 and the slider 15 are both dovetail-shaped, and the first protection frame 9 and the second protection frame 14 are movably connected on the surface of the cutting table 1 through the slide rail 16 and the slider 15 .

[0035] like Figure 1-4 As shown: when the first protective frame 9 and the second protective frame 14 are moving, the slider 15 at the bottom thereof is slidably set inside the slide rail 16, which can limit and guide the first protective frame 9 and the second protective frame 14 during movement, thereby ensuring the stability of the first protective frame 9 and the second protective frame 14 during movement.

[0036] As a preferred embodiment, screw holes are provided inside the first drive seat 8 and the second drive seat 13, and the screw rods 11 are screwed and installed in the screw holes inside the first drive seat 8 and the second drive seat 13. At the same time, the worm gear 7 is fixedly installed on the rotating shaft of the screw rod 11, and two sets of guide rods 10 are inserted inside the first drive seat 8 and the second drive seat 13.

[0037] The sizes of the worm wheel 7 and the worm 6 are matched, and the worm wheel 7 and the worm 6 are meshed and connected. At the same time, the driving motor 5 drives the first protection frame 9 and the second protection frame 14 to open and close through the worm wheel 7, the worm 6 and two sets of lead screws 11.

Claims

1. A fiber laser cutting machine with a protective structure, comprising a cutting table (1), characterized in that: The cutting table (1) has a cutting machine body (2) fixedly mounted on its surface, and a laser head (3) movably mounted on the cutting machine body (2), while the outer side of the cutting machine body (2) is respectively covered with a first protective frame (9) and a second protective frame (14), and a fixing frame (4) is fixedly mounted in the middle of the cutting table (1), the back side of the fixing frame (4) is screwed and fixed to a driving motor (5), and the output shaft of the driving motor (5) is fixedly connected to the rotating shaft of the worm (6); A first fixing plate (12) and a second fixing plate (121) are respectively fixedly installed at both ends of the surface of the cutting table (1), and a screw rod (11) is movably installed between the first fixing plate (12) and the second fixing plate (121). At the same time, a guide rod (10) is fixedly installed between the first fixing plate (12) and the second fixing plate (121), the top of the second protection frame (14) is fixedly connected to the second drive seat (13), and the top of the first protection frame (9) is fixedly connected to the first drive seat (8).

2. The optical fiber laser cutting machine with a protective structure according to claim 1, characterized in that: The first protective frame (9) and the second protective frame (14) are both "U"-shaped structures made of acrylic material, and the first protective frame (9) and the second protective frame (14) are synchronously moving structures.

3. The optical fiber laser cutting machine with a protective structure according to claim 1, characterized in that: The bottom of the first protective frame (9) and the second protective frame (14) are both fixedly installed with a slide block (15), and a slide rail (16) is provided on the surface of the cutting table (1). The sizes of the slide rail (16) and the slide block (15) are matched, and the slide block (15) is slidably arranged inside the slide rail (16). A positioning seat (17) is fixedly arranged at the end opening of the first protective frame (9), and a positioning groove (18) is provided at the end opening of the second protective frame (14). The sizes of the positioning groove (18) and the positioning seat (17) are matched, and the positioning seat (17) is inserted into the positioning groove (18). The first protective frame (9) and the second protective frame (14) are positioned and assembled through the positioning groove (18) and the positioning seat (17).

4. The optical fiber laser cutting machine with a protective structure according to claim 3, characterized in that: The cross-sections of the slide rail (16) and the slider (15) are both dovetail-shaped, and the first protection frame (9) and the second protection frame (14) are movably connected on the surface of the cutting table (1) via the slide rail (16) and the slider (15).

5. The optical fiber laser cutting machine with a protective structure according to claim 1, characterized in that: The first drive seat (8) and the second drive seat (13) are both provided with screw holes inside, and the screw holes inside the first drive seat (8) and the second drive seat (13) are both screwed and installed with screw rods (11), and the worm wheel (7) is fixedly installed on the rotating shaft of the screw rod (11), and the first drive seat (8) and the second drive seat (13) are both inserted with two sets of guide rods (10) inside.

6. The optical fiber laser cutting machine with a protective structure according to claim 5, characterized in that: The sizes of the worm wheel (7) and the worm (6) are matched, and the worm wheel (7) and the worm (6) are meshed and connected. At the same time, the driving motor (5) drives the first protection frame (9) and the second protection frame (14) to open and close through the worm wheel (7), the worm (6) and two sets of lead screws (11).

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