Laser cutting machine with protection function

Abstract

The laser cutting machine with the protection function comprises a machine tool, a moving assembly is installed at the top end of the machine tool, a laser assembly is installed at the top end of the moving assembly, fixing plates are fixedly connected to the bottoms of the two sides of the machine tool, and hydraulic cylinders are fixedly installed on the two sides of the top ends of the two fixing plates. A protective frame is fixedly connected to the top ends of the four hydraulic cylinders, a buffer pad is fixedly connected to the inner wall of the protective frame, a filter shell is fixedly connected to the top end of the laser assembly, a fan is fixedly installed on the back face of the filter shell, a dust filter screen is clamped to one side in the filter shell, and an activated carbon filter screen is clamped to the other side in the filter shell; according to the laser cutting machine with the protection function, due to the fact that the protection frame capable of being lifted is arranged, laser brightness during cutting is prevented from hurting human eyes, the situation that the precision of a laser assembly is affected by impact of foreign objects is avoided, harmful particles in smoke can be filtered through the fan and the activated carbon filter screen, and the human health is prevented from being affected.

Description

Technical Field

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

[0002] The laser cutting machine uses a laser beam to irradiate the surface of the workpiece, causing the workpiece to reach its melting point or boiling point. At the same time, high-pressure gas coaxial with the beam blows away the molten or vaporized metal.

[0003] However, the existing laser cutting machines have the following disadvantages during use:

[0004] (1) Existing laser cutting machines lack protective structures. The light during cutting can damage human eyes, and the external impact on the laser components can affect the accuracy of the laser cutting machine.

[0005] (2) Existing laser cutting machines produce harmful smoke during cutting and lack a smoke purification structure, which can affect human health. Utility Model Content

[0006] The purpose of the utility model is to provide a laser cutting machine with a protective function to solve the problems proposed in the above background technology that the laser cutting machine lacks a protective structure, the light during cutting will damage the human eyes, the laser component is subjected to external impact which will affect the accuracy of the laser cutting machine, harmful smoke will be generated during cutting, and there is a lack of a smoke purification structure, which will affect human health.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laser cutting machine with a protective function, comprising a machine tool, a moving component is installed on the top of the machine tool, a laser component is installed on the top of the moving component, the bottoms of both sides of the machine tool are fixedly connected with fixed plates, hydraulic cylinders are fixedly installed on both sides of the tops of the two fixed plates, the tops of the four hydraulic cylinders are fixedly connected with protective frames, the inner walls of the protective frames are fixedly connected with buffer pads, the top of the laser component is fixedly connected with a filter shell, the back of the filter shell is fixedly installed with a fan, one side of the interior of the filter shell is clamped with a dust filter, the other side of the interior of the filter shell is clamped with an activated carbon filter, the input end of the fan is connected to the interior of the filter shell, and the front of the filter shell is fixedly connected with an air duct.

[0008] When using a laser cutting machine with a protective function according to the present technical solution, a protective frame is provided to prevent the laser light during cutting from causing damage to the human eyes and to prevent the laser component from being impacted by foreign objects and affecting its accuracy. The fan and activated carbon filter provided can filter harmful particles in the flue gas to avoid affecting human health.

[0009] As a preferred technical solution of the utility model, the four corners of the bottom end of the machine tool are fixedly connected with supporting feet, which are used to support and elevate the laser cutting machine.

[0010] As a preferred technical solution of the utility model, a dust collector head is fixedly connected to the bottom end of the air duct. The dust collector head is used to centrally suck in dust.

[0011] As a preferred technical solution of the utility model, the front and back of the machine tool are provided with slide grooves, and both sides of the inner wall of the protection frame are fixedly connected with sliders. The sliders and the slide grooves can play the role of limiting and guiding.

[0012] As a preferred technical solution of the utility model, the four sides of the protection frame are fixedly connected with two connection seats, the inner walls of the two connection seats are fixedly installed with hydraulic shock absorbers, one end of the two hydraulic shock absorbers is fixedly connected with a support rod, and one end of the two support rods is fixedly connected with a baffle. The baffle and hydraulic shock absorber can play a buffering and protective role against the impact of foreign objects.

[0013] As a preferred technical solution of the utility model, a cover is fixedly installed on the top of the filter housing by bolts. After the cover is removed, the filter screen can be replaced and cleaned.

[0014] As a preferred technical solution of the utility model, the surface of the sliding block is slidably connected to the sliding groove. The protection frame can move up and down relative to the machine tool.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. By starting the hydraulic cylinders on both sides of the machine tool to drive the protective frame to rise, the top structure of the laser cutting machine can be shielded and protected to prevent the laser light from damaging the human eyes during cutting and to prevent the laser components from being impacted by foreign objects and affecting the accuracy. The baffle can block the impact of foreign objects in advance, and with the setting of the hydraulic shock absorber, it can buffer the impact force and reduce the damage to the protective frame;

[0017] 2. By starting the fan during the cutting process of the laser cutting machine, the dust and smoke generated during cutting can be inhaled. The dust filter will first filter the larger dust, and then the activated carbon filter will filter the harmful particles in the smoke, which will play a purification role and prevent harmful smoke from affecting human health. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional diagram of the protective frame of the utility model after it is raised;

[0019] Figure 2 This is a three-dimensional diagram of the protective frame of the utility model after it is lowered;

[0020] Figure 3 It is a three-dimensional diagram of the filter housing of the utility model;

[0021] Figure 4 It is a side cross-sectional view of the filter housing of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of the protection frame of the utility model;

[0023] Figure 6 It is a top cross-sectional view of the baffle of the utility model.

[0024] In the figure: 1. machine tool; 2. moving component; 3. laser component; 4. fixed plate; 5. hydraulic cylinder; 6. protective frame; 7. buffer pad; 8. slider; 9. slide; 10. fan; 11. filter shell; 12. air duct; 13. dust collector head; 14. dust filter; 15. activated carbon filter; 16. cover; 17. support foot; 18. connecting seat; 19. hydraulic shock absorber; 20. support rod; 21. baffle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0026] See also Figure 1-6 The utility model provides a laser cutting machine with a protective function, including a machine tool 1, a moving component 2 is installed on the top of the machine tool 1, a laser component 3 is installed on the top of the moving component 2, the bottoms of both sides of the machine tool 1 are fixedly connected with fixed plates 4, and hydraulic cylinders 5 are fixedly installed on both sides of the tops of the two fixed plates 4, which can be lifted up and down, and the tops of the four hydraulic cylinders 5 are fixedly connected with protective frames 6 to play a shielding and protective role. The inner wall of the protective frame 6 is fixedly connected with a buffer pad 7, the top of the laser component 3 is fixedly connected with a filter shell 11, and a fan 10 is fixedly installed on the back of the filter shell 11. A dust filter 14 is clamped on one side of the inside of the filter shell 11 to filter dust, and an activated carbon filter 15 is clamped on the other side of the inside of the filter shell 11 to filter harmful particles in the smoke. The input end of the fan 10 is connected to the inside of the filter shell 11, and the front of the filter shell 11 is fixedly connected with an air duct 12.

[0027] When in use, the workpiece is placed on the machine tool 1, and the laser component 3 is driven to move on the machine tool 1 through the movable component 2 to perform laser cutting. By starting the hydraulic cylinders 5 on both sides of the machine tool 1, the protective frame 6 is driven to rise, which can provide shielding and protection for the top structure of the laser cutting machine, prevent the laser light from damaging the human eyes during cutting, and avoid the laser component 3 being affected by the impact of foreign objects and affecting its accuracy. The buffer pad 7 can buffer the debris ejected during cutting and reduce damage to the protective frame 6.

[0028] The four corners of the bottom of the machine tool 1 are fixedly connected with supporting feet 17 to play a supporting role. The bottom of the air duct 12 is fixedly connected with a dust collector 13 to collect dust. The top of the filter shell 11 is fixedly installed with a cover 16 by bolts and can be disassembled.

[0029] When in use, the support legs 17 can support and elevate the laser cutter to avoid interference from ground factors. By starting the fan 10 during the cutting process of the laser cutter, the dust and smoke generated during cutting can be sucked in together with the air duct 12 and the dust collector head 13. The dust filter 14 will first filter out larger dust, and then the activated carbon filter 15 will filter out harmful particles in the smoke, thereby purifying the smoke and preventing it from affecting human health. The cover 16 can be disassembled to replace and clean the two filters in the filter shell 11 to avoid blockage.

[0030] Slide grooves 9 are provided on the front and back of the machine tool 1, and sliders 8 are fixedly connected to both sides of the inner wall of the protective frame 6, and the surface of the slider 8 is slidably connected to the slide groove 9, which plays a role of limiting and guiding. Two connecting seats 18 are fixedly connected to the four sides of the protective frame 6, and hydraulic shock absorbers 19 are fixedly installed on the inner walls of the two connecting seats 18. One end of the two hydraulic shock absorbers 19 is fixedly connected to a support rod 20, and one end of the two support rods 20 is fixedly connected to a baffle 21, which plays a role of buffering and protection.

[0031] When in use, the slider 8 and the slide groove 9 are set to prevent the protective frame 6 from being offset during the lifting process. The baffle 21 is set to block the impact of foreign objects in advance, and cooperate with the setting of the hydraulic shock absorber 19 to buffer the impact force and reduce the damage to the protective frame 6.

[0032] When used specifically, the utility model is a laser cutting machine with a protective function. The workpiece is placed on the machine tool 1, and the laser component 3 is driven to move on the machine tool 1 by the provided moving component 2 to perform laser cutting. By starting the hydraulic cylinders 5 on both sides of the machine tool 1, the protective frame 6 is driven to rise, which can provide a shielding and protective effect on the top structure of the laser cutting machine, prevent the laser light during cutting from causing damage to human eyes, and prevent the laser component 3 from being affected by the impact of foreign objects and affecting the accuracy. The provided baffle 21 can block the impact of foreign objects in advance, and cooperate with the setting of the hydraulic shock absorber 19 to buffer the impact force and reduce the damage to the protective frame 6. The provided buffer pad 7 can buffer the debris ejected during cutting and reduce the damage to the protective frame 6. By starting the fan 10 during the cutting process of the laser cutting machine, the dust and smoke generated during cutting can be inhaled, and the dust filter 14 can first filter the larger dust, and then the activated carbon filter 15 can filter the harmful particles in the smoke, which plays a purification role and prevents the harmful smoke from affecting human health.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laser cutting machine with a protective function, comprising a machine tool (1), characterized in that: A moving assembly (2) is installed at the top of the machine tool (1), a laser assembly (3) is installed at the top of the moving assembly (2), the bottoms of both sides of the machine tool (1) are fixedly connected to fixing plates (4), both sides of the tops of the two fixing plates (4) are fixedly installed with hydraulic cylinders (5), the tops of the four hydraulic cylinders (5) are fixedly connected to protective frames (6), the inner walls of the protective frames (6) are fixedly connected to buffer pads (7), the top of the laser assembly (3) is fixedly connected to a filter shell (11), a fan (10) is fixedly installed on the back of the filter shell (11), a dust filter (14) is clamped on one side of the inside of the filter shell (11), an activated carbon filter (15) is clamped on the other side of the inside of the filter shell (11), an input end of the fan (10) is connected to the inside of the filter shell (11), and a wind duct (12) is fixedly connected to the front of the filter shell (11).

2. The laser cutting machine with protection function according to claim 1, characterized in that: The four corners of the bottom end of the machine tool (1) are all fixedly connected with supporting feet (17).

3. The laser cutting machine with protection function according to claim 1, characterized in that: A dust collector head (13) is fixedly connected to the bottom end of the air duct (12).

4. The laser cutting machine with protection function according to claim 1, characterized in that: The front and back sides of the machine tool (1) are both provided with sliding grooves (9), and both sides of the inner wall of the protection frame (6) are fixedly connected with sliding blocks (8).

5. The laser cutting machine with protection function according to claim 1, characterized in that: The four sides of the protection frame (6) are fixedly connected to two connection seats (18), the inner walls of the two connection seats (18) are fixedly mounted with hydraulic shock absorbers (19), one end of the two hydraulic shock absorbers (19) is fixedly connected to a support rod (20), and one end of the two support rods (20) is fixedly connected to a baffle (21).

6. The laser cutting machine with protection function according to claim 1, characterized in that: A sealing cover (16) is fixedly mounted on the top end of the filter housing (11) by means of bolts.

7. The laser cutting machine with protection function according to claim 4, characterized in that: The surface of the sliding block (8) is slidably connected to the sliding groove (9).

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