Protective device for laser cutting machine

Abstract

The utility model discloses a protective device for a laser cutting machine, which relates to the technical field of laser cutting machines and comprises a cutting machine table, fixing plates are arranged on two sides of the cutting machine table, pushing components are arranged above the fixing plates, a plurality of vertical protective plates are arranged above the fixing plates, and transverse protective plates are fixedly arranged at the upper ends of the vertical protective plates. The lower end of the vertical protection plate is connected with the pushing assembly. All the vertical protection plates and the transverse protection plates can be pushed by the pushing assembly to transversely move and be distributed and separated from the two sides of the cutting machine table, the vertical protection plates are spliced together for protection by driving the rotating assembly, debugging and inspection before the laser cutting machine is used are facilitated through quick opening and closing, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of laser cutting machines, in particular to a protection device for a laser cutting machine. Background Technique

[0002] A laser cutting machine emits laser light from a laser. After passing through an optical path system, the laser light is focused into a laser beam with a high power density. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach the melting point or boiling point. As the relative position of the beam and the workpiece moves, finally, a cut is formed in the material, thus achieving the purpose of cutting. [[ID=IO]]

[0003] Generally, a laser cutting machine is equipped with a protection device to block the flying debris generated during cutting and prevent workers from accidentally touching the working machine. The protection devices of traditional laser cutting machines are connected to the outer shell of the cutting machine. When repairing, debugging, and inspecting the equipment, it is necessary to disassemble the outer shell, which is troublesome to operate and affects work efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantage that the installation and disassembly of the protection device of the existing laser cutting machine are troublesome, and to propose a protection device for a laser cutting machine.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] A protection device for a laser cutting machine includes a cutting machine table. Fixed plates are provided on both sides of the cutting machine table. A pushing component is provided above the fixed plates. A plurality of vertical protection plates are provided above the fixed plates. A horizontal protection plate is fixedly provided at the upper ends of the plurality of vertical protection plates. The lower ends of the vertical protection plates are connected to the pushing component.

[0007] Preferably, the pushing component includes a first fixed shaft and a moving shaft. The lower end of the first fixed shaft is fixedly connected to the upper surface of the fixed plate. First pull rods and second pull rods are rotatably provided on both the first fixed shaft and the moving shaft. First connecting rods and second connecting rods are rotatably provided at one ends of the first pull rods and the second pull rods. A rotating shaft is rotatably provided in the middle of the first connecting rod and the second connecting rod. The upper end of the rotating shaft is fixedly connected to the lower end of the vertical protection plate.

[0008] Preferably, a rotating component is provided below the fixed plate. The lower end of the rotating shaft is connected to the rotating component.

[0009] Preferably, the rotating assembly includes a pair of second fixed shafts. The upper ends of the pair of second fixed shafts are fixedly connected to both ends of the lower surface of the fixed plate. Driving rods are rotatably provided on both of the pair of second fixed shafts. One end of each driving rod is rotatably provided with an adjusting plate. A driving groove is formed on the adjusting plate. Driving shafts are fixedly provided at the lower ends of the plurality of rotating shafts. The plurality of driving shafts are all in contact with the inner wall of the driving groove.

[0010] Preferably, a fixed platform is provided below each of the pair of fixed plates. A pair of connecting columns are fixedly provided on one side of each fixed platform. A pair of connecting sleeves are fixedly provided on both sides of the cutting machine table. The pair of connecting columns are all in contact with the inner wall of the connecting sleeve. A support frame is fixedly provided on the upper surface of each of the pair of fixed platforms. The upper ends of the pair of support frames are fixedly connected to the fixed plate.

[0011] Preferably, there are three first connecting rods and three second connecting rods. The three first connecting rods and the three second connecting rods are all cross-distributed.

[0012] Preferably, the driving rod is in an L shape, and a circular rod is rotatably provided on the driving rod.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, through the pushing assembly, all the vertical protection plates and the horizontal protection plates can be pushed to move horizontally, distributed and separated on both sides of the cutting machine table. By driving the rotating assembly, the vertical protection plates can be joined together for protection. Through quick opening and closing, it is convenient for debugging and inspection before the use of the laser cutting machine, improving work efficiency;

[0015] 2. In the present utility model, the connecting column on one side of the fixed platform is inserted into the inner wall of the connecting sleeve to limit the fixed platform and facilitate installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 is the front view structural schematic diagram of the present utility model;

[0018] Figure 2 is the structural schematic diagram of the vertical and horizontal protection plates of the present utility model;

[0019] Figure 3 is the structural schematic diagram of the pushing assembly of the present utility model;

[0020] Figure 4 is the structural schematic diagram of the rotating assembly of the present utility model.

[0021] Numbers in the figure: 1, cutting machine table; 11, fixed plate; 12, first fixed shaft; 13, first pull rod; 14, second pull rod; 15, first connecting rod; 16, second connecting rod; 17, rotating shaft; 18, vertical protection plate; 19, horizontal protection plate; 191, moving shaft; 2, second fixed shaft; 21, driving rod; 22, adjusting plate; 23, driving groove; 24, driving shaft; 25, circular rod; 3, fixed table; 31, connecting column; 32, connecting sleeve; 33, support frame. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0023] Embodiment 1: This embodiment provides a protection device for a laser cutting machine. Refer to Figures 1-4 , specifically, it includes a cutting machine table 1. Fixed plates 11 are provided on both sides of the cutting machine table 1. A pushing component is provided above the fixed plates 11. Multiple vertical protection plates 18 are provided above the fixed plates 11. A horizontal protection plate 19 is fixedly provided at the upper ends of the multiple vertical protection plates 18. The lower ends of the vertical protection plates 18 are connected to the pushing component;

[0024] Multiple vertical protection plates 18 and horizontal protection plates 19 are provided on both sides of the cutting machine table 1 to surround and protect the cutting machine table 1. The vertical protection plates 18 are arranged in a stepped manner from low to high from front to back. All the vertical protection plates 18 and horizontal protection plates 19 can be pushed horizontally through the pushing component, distributed and separated on both sides of the cutting machine table 1. When the driving and rotating component is driven, the vertical protection plates 18 are joined together for protection. By quickly opening and closing, it is convenient for debugging and inspection before the laser cutting machine is used, improving work efficiency.

[0025] In the specific implementation process, as shown in Figure 3 and Figure 4 , the pushing component includes a first fixed shaft 12 and a moving shaft 191. The lower end of the first fixed shaft 12 is fixedly connected to the upper surface of the fixed plate 11. First pull rods 13 and second pull rods 14 are rotatably provided on both the first fixed shaft 12 and the moving shaft 191. First connecting rods 15 and second connecting rods 16 are rotatably provided at one end of the first pull rod 13 and one end of the second pull rod 14. A rotating shaft 17 is rotatably provided in the middle of the first connecting rod 15 and the second connecting rod 16. The upper end of the rotating shaft 17 is fixedly connected to the lower end of the vertical protection plate 18. There are three first connecting rods 15 and second connecting rods 16 respectively. The three first connecting rods 15 and second connecting rods 16 are all cross-distributed;

[0026] The end of the first connecting rod 15 and the end of the second connecting rod 16 are respectively connected to the other second connecting rod 16 and the end of the first connecting rod 15. A handle is provided on the first pull rod 13 at one end, and the first pull rod 13 and the second pull rod 14 are driven to rotate along the first fixed axis 12. The first pull rod 13 and the second pull rod 14 pull the first connecting rod 15 and the second connecting rod 16 to rotate along the rotating axis 17, and make the rotating axis 17 and the movable axis 191 slide along the groove in the middle of the fixed plate 11, so that the movable axis 191 is located at the other end of the fixed plate 11, so that the vertical protective plates 18 are distributed on both sides of the cutting machine table 1.

[0027] In the specific implementation process, Figure 3 and Figure 4 As shown, a rotating assembly is provided below the fixed plate 11, and the lower end of the rotating shaft 17 is connected to the rotating assembly. The rotating assembly includes a pair of second fixed shafts 2, and the upper ends of the pair of second fixed shafts 2 are fixedly connected to the two ends of the lower surface of the fixed plate 11. A driving rod 21 is rotatably provided on the pair of second fixed shafts 2, and an adjustment plate 22 is rotatably provided at one end of the driving rod 21. A driving groove 23 is provided on the adjustment plate 22. A plurality of driving shafts 24 are fixed at the lower ends of the rotating shafts 17, and the plurality of driving shafts 24 are all fitted with the inner wall of the driving groove 23. The driving rod 21 is L-shaped, and a round rod 25 is rotatably provided on the driving rod 21.

[0028] By rotating the driving rod 21, the driving rod 21 rotates along the second fixed axis 2, driving the adjustment plate 22 to move. The driving rod 21 drives the driving rod 21 at the other end to rotate synchronously through the circular rod 25, so that the adjustment plate 22 moves laterally. The adjustment plate 22 drives the driving shaft 24 to rotate through the driving slot 23. The driving shaft 24 drives the rotating shaft 17 to rotate. The rotating shaft 17 drives the vertical protective plate 18 and the horizontal protective plate 19 to rotate, so that the inner side of the vertical protective plate 18 faces the cutting machine table 1 to protect the machine.

[0029] Example 2: Based on Example 1, this example also includes:

[0030] In the specific implementation process, Figure 1 and Figure 2 As shown, a fixed platform 3 is provided below a pair of fixed plates 11, a pair of connecting columns 31 are fixed on one side of the fixed platform 3, a pair of connecting sleeves 32 are fixed on both sides of the cutting machine platform 1, the pair of connecting columns 31 are fitted with the inner wall of the connecting sleeve 32, and a support frame 33 is fixed on the upper surface of the pair of fixed platforms 3, and the upper ends of the pair of support frames 33 are fixedly connected to the fixed plate 11;

[0031] The connecting column 31 on one side of the fixing platform 3 is inserted into the inner wall of the connecting sleeve 32 to limit the fixing platform 3 and facilitate installation and disassembly.

[0032] Specifically, the working principle and operation method of the utility model are as follows:

[0033] Step 1: The first pull rod 13 and the second pull rod 14 are driven to rotate along the first fixed axis 12 by the driving handle. The first pull rod 13 and the second pull rod 14 pull the first connecting rod 15 and the second connecting rod 16 to rotate along the rotating axis 17, and the rotating axis 17 and the movable axis 191 are made to slide along the groove in the middle of the fixed plate 11, so that the movable axis 191 is located at the other end of the fixed plate 11, so that the vertical protective plates 18 are distributed on both sides of the cutting machine table 1;

[0034] Step 2: By rotating the driving rod 21, the driving rod 21 rotates along the second fixed axis 2, driving the adjustment plate 22 to move. The driving rod 21 drives the driving rod 21 at the other end to rotate synchronously through the circular rod 25, so that the adjustment plate 22 moves horizontally. The adjustment plate 22 drives the driving shaft 24 to rotate through the driving slot 23. The driving shaft 24 drives the rotating shaft 17 to rotate. The rotating shaft 17 drives the vertical protective plate 18 and the horizontal protective plate 19 to rotate, so that the inner side of the vertical protective plate 18 faces the cutting machine table 1 to protect the machine.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective device for a laser cutting machine, comprising a cutting machine table (1), characterized in that: Both sides of the cutting machine table (1) are provided with fixed plates (11), a pushing assembly is provided above the fixed plates (11), a plurality of vertical protective plates (18) are provided above the fixed plates (11), a horizontal protective plate (19) is fixed to the upper ends of the plurality of vertical protective plates (18), and the lower ends of the vertical protective plates (18) are connected to the pushing assembly.

2. A protective device for a laser cutting machine according to claim 1, characterized in that: The pushing assembly includes a first fixed shaft (12) and a movable shaft (191), the lower end of the first fixed shaft (12) is fixedly connected to the upper surface of the fixed plate (11), the first fixed shaft (12) and the movable shaft (191) are both rotatably provided with a first pull rod (13) and a second pull rod (14), one end of the first pull rod (13) and one end of the second pull rod (14) are both rotatably provided with a first connecting rod (15) and a second connecting rod (16), the middle part of the first connecting rod (15) and the second connecting rod (16) is rotatably provided with a rotating shaft (17), and the upper end of the rotating shaft (17) is fixedly connected to the lower end of the vertical protective plate (18).

3. A protective device for a laser cutting machine according to claim 2, characterized in that: A rotating assembly is provided below the fixed plate (11), and the lower end of the rotating shaft (17) is connected to the rotating assembly.

4. A protective device for a laser cutting machine according to claim 3, characterized in that: The rotating assembly comprises a pair of second fixed shafts (2), the upper ends of the pair of second fixed shafts (2) are fixedly connected to the two ends of the lower surface of the fixed plate (11), a driving rod (21) is rotatably provided on the pair of second fixed shafts (2), an adjustment plate (22) is rotatably provided on one end of the driving rod (21), a driving groove (23) is provided on the adjustment plate (22), and a plurality of driving shafts (24) are fixedly provided at the lower ends of the plurality of rotating shafts (17), and the plurality of driving shafts (24) are in contact with the inner wall of the driving groove (23).

5. The protective device for a laser cutting machine according to claim 1, characterized in that: A pair of fixed platforms (3) are provided below the fixed plates (11), a pair of connecting columns (31) are fixedly provided on one side of the fixed platforms (3), a pair of connecting sleeves (32) are fixedly provided on both sides of the cutting machine platform (1), the pair of connecting columns (31) are fitted with the inner walls of the connecting sleeves (32), a pair of support frames (33) are fixedly provided on the upper surfaces of the fixed platforms (3), and the upper ends of the pair of support frames (33) are fixedly connected to the fixed plates (11).

6. The protective device for a laser cutting machine according to claim 2, characterized in that: There are three first connecting rods (15) and three second connecting rods (16), and the three first connecting rods (15) and the three second connecting rods (16) are cross-distributed.

7. The protective device for a laser cutting machine according to claim 4, characterized in that: The driving rod (21) is L-shaped, and a circular rod (25) is rotatably provided on the driving rod (21).

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