Laser cutting machine with protection device

Abstract

The utility model relates to the technical field of laser cutting, in particular to a laser cutting machine with a protection device, which can protect sparks generated by cutting, prevent the sparks from splashing to the periphery, reduce the possibility of injury to workers and improve the protection intensity to the workers. Comprising a workbench, a plurality of supporting legs and a protective cover, the supporting legs are fixedly installed at the four corners of the bottom end of the workbench respectively, non-slip mats are arranged at the bottom ends of the supporting legs, and the protective cover covers the top end of the workbench; the laser cutting device further comprises a laser cutting head, a cutting mechanism, a fixing and clamping mechanism, a protection mechanism and a waste chip collecting assembly, the cutting mechanism is installed at the top end of the interior of the protection cover, the laser cutting head is installed at the output end of the cutting mechanism, the fixing and clamping mechanism is installed at the top end of the workbench, and the protection mechanism is located outside the laser cutting head. The waste chip collecting assembly is installed at the output end of the cutting mechanism and installed at the bottom end of the workbench.

Description

Technical Field

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

[0002] The laser cutting machine is a laser emitted from a laser, which is focused into a high-power density laser beam through an optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach a melting point or boiling point, and at the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal. A laser cutting machine with a protective device proposed in the prior art publication number CN215238643U includes a processing bed, a moving mechanism and a cutting mechanism. The moving mechanism is arranged on the processing bed, and the cutting mechanism is arranged on the moving mechanism. A number of evenly distributed through holes are opened in the bottom of the processing bed. The moving mechanism includes two side panels, which are respectively fixed to the two ends of the top of the processing bed. A movable seat is arranged between the two side panels. A motor is fixedly installed on the side panel. The output shaft of the motor passes through the side panel and is fixedly connected to the reciprocating screw. The cutting mechanism includes a laser cutting machine, which is fixedly installed on the movable seat. However, sparks will be generated during metal cutting and will splash around, making the staff easily endangered, causing safety hazards. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a laser cutting machine with a protective device which can protect the sparks generated by cutting, avoid splashing to the surroundings, reduce the possibility of injury to workers, and improve the protection strength for workers.

[0004] The utility model discloses a laser cutting machine with a protective device, comprising a workbench, a plurality of legs and a protective cover, wherein the legs are fixedly installed at the four corners of the bottom end of the workbench respectively, the bottom ends of the legs are provided with anti-skid pads, and the protective cover cover is installed on the top end of the workbench; the utility model also comprises a laser cutting head, a cutting mechanism, a fixed clamping mechanism, a protective mechanism and a waste chip collection component, wherein the cutting mechanism is installed at the inner top end of the protective cover, the laser cutting head is installed at the output end of the cutting mechanism, the fixed clamping mechanism is installed at the top end of the workbench, the protective mechanism is located outside the laser cutting head and is installed at the output end of the cutting mechanism, and the waste chip collection component is installed at the bottom end of the workbench; when in use, the steel plate is fixedly clamped by the fixed clamping mechanism to avoid movement during cutting and ensure cutting accuracy, the laser cutting head is driven to move by the cutting mechanism to cut the steel plate and improve work efficiency, the protective mechanism can protect the sparks generated by cutting and avoid splashing to the surroundings, reduce the possibility of injury to the staff, and improve the protection strength for the staff, and the waste chip collection component can clean and collect the debris generated during cutting in real time to reduce the labor intensity of the staff.

[0005] Preferably, the fixed clamping mechanism includes a rotating rod, a transmission, two adjusting blocks, two movable frames, two electric telescopic rods and two inverted L-shaped pressure plates. An adjusting slot is provided at the top rear end of the workbench, and the rotating rod is rotatably installed in the adjusting slot. One end of the rotating rod is connected to the output end of the transmission, and the output end of the transmission is connected to a driving motor. Threaded slots are symmetrically provided on the rotating rod, and the two adjusting blocks are symmetrically screwed on the rotating rod. The top of the adjusting block is fixedly connected to the movable frame, and the top of the movable frame is fixedly installed with an electric telescopic rod, and the bottom end of the electric telescopic rod is fixedly connected to the inverted L-shaped pressure plate. After the steel plate is placed on the top of the workbench, the driving motor is started to drive the rotating rod to rotate through the transmission, and the rotating rod drives the movable frame to move on the top of the workbench through the adjusting block, and at the same time drives the electric telescopic rod to drive the inverted L-shaped pressure plate to move downward, so as to limit and clamp the two ends and the top of the steel plate to avoid movement during cutting and ensure cutting accuracy.

[0006] Preferably, the cutting mechanism includes a screw rod, a forward and reverse motor, two guide rods, a moving block, a threaded rod, a second forward and reverse motor, a limit slide block and a telescopic cylinder. The screw rod is rotatably installed on the inner upper end of the protective cover, the output end of the screw rod is connected to the output end of the forward and reverse motor, the forward and reverse motor is fixedly installed on the right inner wall of the protective cover, the two guide rods are symmetrically installed on the inner wall of the protective cover with respect to the screw rod, the upper part of the moving block is screwed on the outer wall of the screw rod, and the moving block is slidably installed on the guide rod, the lower part of the moving block is provided with a limit slide groove, the threaded rod is rotatably installed in the limit slide groove, the rear end of the threaded rod is connected to the second forward and reverse motor The output end of the machine is connected, the second forward and reverse motor is installed on the rear side wall of the moving block, the limit slider is screwed on the outer wall of the threaded rod, and the limit slider is slidably installed in the limit slide groove, the bottom of the limit slider is installed with a telescopic cylinder through a fixed plate, and the laser cutting head is installed at the bottom of the telescopic cylinder; starting the forward and reverse motor drives the screw rod to rotate, drives the moving block to move left and right above the workbench, starts the second forward and reverse motor to drive the threaded rod to rotate, the threaded rod drives the limit slider to move forward and backward, drives the laser cutting head to move forward and backward through the telescopic cylinder, and starts the telescopic cylinder to descend at the same time, so that comprehensive cutting can be carried out to improve work efficiency.

[0007] Preferably, the protective mechanism includes a protective tube, a telescopic cylinder, a plurality of T-shaped sliding rods, a plurality of springs and a contact ring, the protective tube is sleeved on the bottom of the telescopic end of the telescopic cylinder, a telescopic groove is opened at the bottom of the protective tube, the telescopic cylinder is slidably installed in the telescopic groove, the top end of the telescopic cylinder is axially evenly connected with a plurality of T-shaped sliding rods, the T-shaped sliding rods slide through the top of the protective tube, the spring is sleeved on the outer wall of the T-shaped sliding rod, the bottom end of the spring is connected to the top end of the telescopic cylinder, the top end of the spring is connected to the protective tube, the bottom end of the telescopic cylinder is fixedly connected with a contact ring, and a rolling ball is arranged at the bottom of the contact ring; when the telescopic cylinder drives the laser cutting head to move downward, it first drives the protective tube to move downward, so that the contact ring contacts the top of the steel plate, and the spring and the telescopic cylinder can ensure that the contact ring is always in contact with the steel plate when the laser cutting head continues to move downward, so as to protect the sparks generated by the cutting and avoid splashing to the surroundings, reduce the possibility of injury to the staff, and improve the protection strength for the staff.

[0008] Preferably, it also includes two guide rails, multiple rollers, a protective cover and two handles, the two guide rails are fixedly installed on the left and right ends of the front of the protective cover respectively, rollers are installed on the left and right ends of the protective cover, the rollers are rotatably installed in the guide rails, tempered glass is arranged on the protective cover, and two handles are installed on the protective cover; when cutting, the protective cover is pulled by the handles to make the rollers slide on the guide rails, and the front end of the protective cover is protected by the protective cover and the tempered glass to improve the protection effect.

[0009] Preferably, the waste chip collection assembly includes a slag mesh plate, a collecting bucket, two guide blocks and a cleaning door. A rectangular slag trough is provided at the top of the workbench. The slag mesh plate cover is installed on the top of the rectangular slag trough. The collecting bucket is fixedly connected to the bottom end of the workbench. The collecting bucket is communicated with the rectangular slag trough. The rear part of the collecting bucket is inclined, and the bottom output end of the collecting bucket is connected with the rectangular collecting trough. Two guide blocks are fixedly installed at the left and right ends of the rectangular collecting trough, and the cleaning door cover is installed in the middle of the rectangular collecting trough. The debris generated by cutting falls into the collecting bucket through the slag mesh plate, and then is guided into the rectangular collecting trough. The debris is guided by the guide blocks so that the debris gathers in the middle of the rectangular collecting trough. The cleaning door can be opened to clean the debris. The debris generated during cutting can be cleaned and collected in real time, thereby reducing the labor intensity of the staff.

[0010] Compared with the prior art, the utility model has the following beneficial effects: when in use, the steel plate is fixedly clamped by a fixed clamping mechanism to avoid movement during cutting and ensure cutting accuracy; the laser cutting head is driven to move by the cutting mechanism to cut the steel plate and improve work efficiency; the sparks generated by cutting can be protected by a protective mechanism to avoid splashing to the surroundings, thereby reducing the possibility of injury to workers and improving the protection strength for workers; the debris generated by cutting can be cleaned and collected in real time by a waste chip collection component, thereby reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the rear cross-sectional structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the utility model;

[0014] Figure 4 It is a front cross-sectional structural schematic diagram of the utility model;

[0015] Figure 5 It is a structural schematic diagram of the waste chip collection assembly of the utility model;

[0016] Markings in the attached figure: 1. workbench; 2. outriggers; 3. protective cover; 4. laser cutting head; 5. rotating rod; 6. transmission; 7. adjustment block; 8. moving frame; 9. electric telescopic rod; 10. inverted L-shaped pressure plate; 11. screw rod; 12. forward and reverse motor; 13. guide rod; 14. moving block; 15. threaded rod; 16. second forward and reverse motor; 17. limit slider; 18. telescopic cylinder; 19. protective tube; 20. telescopic cylinder; 21. T-shaped slide rod; 22. spring; 23. contact ring; 24. guide rail; 25. roller; 26. protective cover; 27. handle; 28. slag screen; 29. ​​collecting bucket; 30. guide block; 31. cleaning door. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0018] Example 1

[0019] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the four corners of the bottom end of the workbench 1 are fixedly installed with legs 2, the bottom ends of the legs 2 are provided with anti-slip pads, the protective cover 3 is covered on the top of the workbench 1, the screw rod 11 is rotatably installed on the inner upper end of the protective cover 3, the output end of the screw rod 11 is connected to the output end of the forward and reverse motor 12, the forward and reverse motor 12 is fixedly installed on the right inner wall of the protective cover 3, two guide rods 13 are symmetrically installed on the inner wall of the protective cover 3 with respect to the screw rod 11, and the upper part of the moving block 14 is screwed on the outer wall of the screw rod 11, and The moving block 14 is slidably mounted on the guide rod 13, and a limited sliding groove is provided at the lower part of the moving block 14. The threaded rod 15 is rotatably mounted in the limited sliding groove. The rear end of the threaded rod 15 is connected to the output end of the second forward and reverse motor 16. The second forward and reverse motor 16 is mounted on the rear side wall of the moving block 14. The limiting slider 17 is screwed on the outer wall of the threaded rod 15, and the limiting slider 17 is slidably mounted in the limited sliding groove. The bottom of the limiting slider 17 is installed with a telescopic cylinder 18 through a fixed plate. The laser cutting head 4 is mounted on the telescopic cylinder 18. The bottom of the telescopic cylinder 18, the protective cylinder 19 is sleeved on the bottom of the telescopic end of the telescopic cylinder 18, the bottom of the protective cylinder 19 is provided with a telescopic groove, the telescopic cylinder 20 is slidably installed in the telescopic groove, the top of the telescopic cylinder 20 is axially evenly connected with a plurality of T-shaped slide bars 21, the T-shaped slide bars 21 slide through the top of the protective cylinder 19, the spring 22 is sleeved on the outer wall of the T-shaped slide bar 21, the bottom end of the spring 22 is connected to the top of the telescopic cylinder 20, the top end of the spring 22 is connected to the protective cylinder 19, the telescopic cylinder 20 The bottom end of the workbench 1 is fixedly connected with a contact ring 23, and a rolling ball is arranged at the bottom of the contact ring 23. A rectangular slag dropping groove is opened at the top of the workbench 1, and a slag dropping mesh plate 28 is covered on the top of the rectangular slag dropping groove. A collecting bucket 29 is fixedly connected to the bottom end of the workbench 1, and the collecting bucket 29 is connected with the rectangular slag dropping groove. The rear part of the collecting bucket 29 is inclined, and the bottom output end of the collecting bucket 29 is connected with a rectangular collecting groove. Two guide blocks 30 are fixedly installed at the left and right ends of the rectangular collecting groove, and a cleaning door 31 is covered in the middle of the rectangular collecting groove.

[0020] The forward and reverse motor 12 is started to drive the screw rod 11 to rotate, and the moving block 14 is driven to move left and right above the workbench 1. The second forward and reverse motor 16 is started to drive the threaded rod 15 to rotate, and the threaded rod 15 drives the limit slider 17 to move forward and backward. The laser cutting head 4 is driven to move forward and backward through the telescopic cylinder 18. At the same time, the telescopic cylinder 18 is started to descend, so that comprehensive cutting can be performed to improve work efficiency. When the telescopic cylinder 18 drives the laser cutting head 4 to move downward, it first drives the protective tube 19 to move downward, so that the contact ring 23 contacts the top of the steel plate, and the spring 22 and the telescopic cylinder 20 can be used to move the laser cutting head 4 downward. When the cutting head 4 continues to move downward, it ensures that the contact ring 23 is always in contact with the steel plate, which can protect the sparks generated by the cutting and avoid splashing to the surroundings, reduce the possibility of injury to the staff, and improve the protection strength for the staff. The debris generated by the cutting falls into the collection bucket 29 through the slag mesh plate 28, and then falls into the rectangular collection trough. The debris is guided by the guide block 30 so that the debris gathers in the middle of the rectangular collection trough. The cleaning door 31 can be opened to clean the debris. The debris generated during cutting can be cleaned and collected in real time, reducing the labor intensity of the staff.

[0021] Example 2

[0022] like Figure 2 , Figure 3 and Figure 5 As shown, an adjustment slot is provided at the top rear end of the workbench 1, and a rotating rod 5 is rotatably installed in the adjustment slot. One end of the rotating rod 5 is connected to the output end of a transmission 6, and the output end of the transmission 6 is connected to a driving motor. A threaded slot is symmetrically provided on the rotating rod 5, and two adjustment blocks 7 are symmetrically screwed on the rotating rod 5. A moving frame 8 is fixedly connected to the top of the adjustment block 7, and an electric telescopic rod 9 is fixedly installed on the top of the moving frame 8. An inverted L-shaped pressing plate 10 is fixedly connected to the bottom end of the electric telescopic rod 9. Two guide rails 24 are respectively fixedly installed at the left and right ends of the front part of the protective cover 3, and rollers 25 are installed at the left and right ends of the protective cover 26. The rollers 25 are rotatably installed in the guide rails 24. A tempered glass is provided on the protective cover 26, and two handles 27 are installed on the protective cover 26.

[0023] After the steel plate is placed on the top of the workbench 1, the driving motor is started to drive the rotating rod 5 to rotate through the transmission 6. The rotating rod 5 drives the moving frame 8 to move on the top of the workbench 1 through the adjusting block 7, and at the same time drives the electric telescopic rod 9 to drive the inverted L-shaped pressing plate 10 to move downward, and the two ends and the top of the steel plate are limited and clamped to avoid movement during cutting and ensure cutting accuracy. During cutting, the protective cover 26 is pulled by the handle 27 to make the roller 25 slide on the guide rail 24, and the front end of the protective cover 3 is protected by the protective cover 26 and the tempered glass to improve the protection effect.

[0024] like Figures 1 to 5As shown, a laser cutting machine with a protective device of the utility model, when working, after the steel plate is placed on the top of the workbench 1, the driving motor is started to drive the rotating rod 5 to rotate through the transmission 6, and the rotating rod 5 drives the moving frame 8 to move on the top of the workbench 1 through the adjusting block 7, and at the same time drives the electric telescopic rod 9 to drive the inverted L-shaped pressing plate 10 to move downward, and limit the clamping of the two ends and the top of the steel plate, and the forward and reverse motors 12 are started to drive the screw rod 11 to rotate, and drive the moving block 14 to move left and right above the workbench 1, and the second forward and reverse motors 16 are started to drive the threaded rod 15 to rotate, and the threaded rod 15 drives the limit slider 17 to move forward and backward, and the laser cutting head 4 is driven to move forward and backward through the telescopic cylinder 18, and at the same time the telescopic cylinder 18 is started to descend, and the telescopic cylinder 1 When 8 drives the laser cutting head 4 to move downward, it first drives the protective tube 19 to move downward, so that the contact ring 23 contacts the top of the steel plate. The spring 22 and the telescopic cylinder 20 can ensure that the contact ring 23 is always in contact with the steel plate when the laser cutting head 4 continues to move downward, so as to protect the sparks generated by the cutting. At the same time, during cutting, the protective cover 26 is pulled by the handle 27 to make the roller 25 slide on the guide rail 24. The front end of the protective cover 3 is protected by the protective cover 26 and the tempered glass. The debris generated by the cutting falls into the collecting bucket 29 through the slag mesh plate 28, and then is guided into the rectangular collecting trough. The debris is guided by the guide block 30 so that the debris gathers in the middle of the rectangular collecting trough. The cleaning door 31 is opened to clean the debris.

[0025] The transmission 6, the forward and reverse motor 12 and the second forward and reverse motor 16 of the laser cutting machine with a protective device of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A laser cutting machine with a protective device, comprising a workbench (1), a plurality of legs (2) and a protective cover (3), wherein the legs (2) are fixedly mounted at the four corners of the bottom end of the workbench (1), the bottom ends of the legs (2) are provided with anti-slip pads, and the protective cover (3) is mounted on the top end of the workbench (1); characterized in that: It also comprises a laser cutting head (4), a cutting mechanism, a fixed clamping mechanism, a protective mechanism and a waste chip collection assembly, wherein the cutting mechanism is mounted on the inner top end of the protective cover (3), the laser cutting head (4) is mounted on the output end of the cutting mechanism, the fixed clamping mechanism is mounted on the top end of the workbench (1), the protective mechanism is located outside the laser cutting head (4) and mounted on the output end of the cutting mechanism, and the waste chip collection assembly is mounted on the bottom end of the workbench (1); The fixed clamping mechanism comprises a rotating rod (5), a transmission (6), two adjustment blocks (7), two moving frames (8), two electric telescopic rods (9) and two inverted L-shaped pressing plates (10). An adjustment slot is provided at the top rear end of the workbench (1). The rotating rod (5) is rotatably mounted in the adjustment slot. One end of the rotating rod (5) is connected to the output end of the transmission (6). The output end of the transmission (6) is connected to a driving motor. Threaded slots are symmetrically provided on the rotating rod (5). The two adjustment blocks (7) are symmetrically screwed on the rotating rod (5). The top of the adjustment block (7) is fixedly connected to the moving frame (8). The top of the moving frame (8) is fixedly mounted with the electric telescopic rod (9). The bottom end of the electric telescopic rod (9) is fixedly connected to the inverted L-shaped pressing plate (10). The cutting mechanism comprises a screw rod (11), a forward and reverse motor (12), two guide rods (13), a moving block (14), a threaded rod (15), a second forward and reverse motor (16), a limit slider (17) and a telescopic cylinder (18); the screw rod (11) is rotatably mounted on the inner upper end of the protective cover (3); the output end of the screw rod (11) is connected to the output end of the forward and reverse motor (12); the forward and reverse motor (12) is fixedly mounted on the right inner wall of the protective cover (3); the two guide rods (13) are symmetrically mounted on the inner wall of the protective cover (3) with respect to the screw rod (11); the upper part of the moving block (14) is screwed on the screw rod (11); The outer wall of the movable block (14) is slidingly mounted on the guide rod (13), a limit slide groove is provided at the lower part of the movable block (14), a threaded rod (15) is rotatably mounted in the limit slide groove, a rear end of the threaded rod (15) is connected to an output end of a second forward and reverse motor (16), the second forward and reverse motor (16) is mounted on the rear side wall of the movable block (14), a limit slide block (17) is screwed on the outer wall of the threaded rod (15), and the limit slide block (17) is slidably mounted in the limit slide groove, a telescopic cylinder (18) is mounted at the bottom of the limit slide block (17) through a fixing plate, and a laser cutting head (4) is mounted at the bottom of the telescopic cylinder (18); The protective mechanism comprises a protective tube (19), a telescopic cylinder (20), a plurality of T-shaped slide bars (21), a plurality of springs (22) and a contact ring (23). The protective tube (19) is sleeved on the bottom of the telescopic end of the telescopic cylinder (18). A telescopic groove is provided at the bottom of the protective tube (19). The telescopic cylinder (20) is slidably installed in the telescopic groove. The top end of the telescopic cylinder (20) is evenly connected to a plurality of T-shaped slide bars (21) in the axial direction. The T-shaped slide bars (21) slide through the top of the protective tube (19). The spring (22) is sleeved on the outer wall of the T-shaped slide bar (21). The bottom end of the spring (22) is connected to the top end of the telescopic cylinder (20). The top end of the spring (22) is connected to the protective tube (19). The bottom end of the telescopic cylinder (20) is fixedly connected to the contact ring (23). A rolling ball is provided at the bottom of the contact ring (23).

2. A laser cutting machine with a protective device as claimed in claim 1, characterized in that: The invention also comprises two guide rails (24), a plurality of rollers (25), a protective cover (26) and two handles (27). The two guide rails (24) are respectively fixedly mounted on the left and right ends of the front part of the protective cover (3). The left and right ends of the protective cover (26) are provided with rollers (25), and the rollers (25) are rotatably mounted in the guide rails (24). The protective cover (26) is provided with tempered glass, and the protective cover (26) is provided with two handles (27).

3. A laser cutting machine with a protective device as claimed in claim 1, characterized in that: The waste scrap collection assembly comprises a slag falling mesh plate (28), a collecting bucket (29), two guide blocks (30) and a cleaning door (31). A rectangular slag falling groove is provided at the top of the workbench (1). The slag falling mesh plate (28) is covered on the top of the rectangular slag falling groove. The collecting bucket (29) is fixedly connected to the bottom of the workbench (1). The collecting bucket (29) is connected to the rectangular slag falling groove. The rear of the collecting bucket (29) is tilted, and the bottom output end of the collecting bucket (29) is connected to the rectangular collecting groove. The two guide blocks (30) are fixedly installed at the left and right ends of the rectangular collecting groove. The cleaning door (31) is covered in the middle of the rectangular collecting groove.

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