Adjustable cutting head of laser cutting machine

Abstract

The utility model discloses an adjustable cutting head of a laser cutting machine. The adjustable cutting head comprises an adjusting frame and a steering driving mechanism. A sliding block is slidably connected into the adjusting frame, a steering bin is fixedly connected to the front end of the sliding block, a steering shaft is rotatably connected to the front end of the steering bin, a cooling bin is fixedly connected to the front end of the steering shaft, a working bin is fixedly connected into the cooling bin, and an upper protective mirror is arranged at the upper end of the interior of the working bin through a mounting base. The upper end of the working bin is also provided with a collimating mirror through a mounting base, the middle of the working bin is also provided with a focusing mirror through a mounting base, the lower end of the working bin is also provided with a middle protective mirror through a mounting base, the lower end of the working bin is also provided with a lower protective mirror through a mounting base, and the lower end of the working bin is fixedly connected with a ceramic ring. According to the adjustable cutting head of the laser cutting machine, accurate angle adjustment of the laser cutting head can be achieved, and the laser cutting application range of the adjustable cutting head of the laser cutting machine is effectively widened.

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting heads, in particular to an adjustable cutting head of a laser cutting machine. Background Art

[0002] The adjustable cutting head of the laser cutting machine is an important component. It allows the machine to automatically adjust the focus to the most suitable position when processing workpieces of different materials and thicknesses, thereby significantly improving the processing efficiency of the laser cutting machine and greatly reducing the time for punching thick plates. Therefore, for laser cutting machines, the automatic focus function is an important and indispensable function;

[0003] Some existing laser cutting machines have adjustable cutting heads that adjust the angle of the laser cutting head without adjusting the angle of the cutting head.

[0004] The adjustable cutting head of this type of traditional laser cutting machine has the following problems. For example, the cutting head has no angle adjustment, which may limit the application scope of the laser cutting machine. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an adjustable cutting head for a laser cutting machine, which can realize precise angle adjustment of the laser cutting head, effectively improve the laser cutting application scope of the adjustable cutting head of the laser cutting machine, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable cutting head of a laser cutting machine includes an adjustment frame and a steering drive mechanism;

[0007] Adjustment frame: a sliding block is slidably connected inside the adjustment frame, a steering bin is fixedly connected to the front end of the sliding block, a steering bin is rotatably connected to the front end of the steering bin, a cooling bin is fixedly connected to the front end of the steering bin, a working bin is fixedly connected inside the cooling bin, an upper protective mirror is provided at the upper end of the working bin through a mounting seat, a collimating mirror is also provided at the upper end of the working bin through a mounting seat, a focusing mirror is also provided at the middle of the working bin through a mounting seat, a middle protective mirror is also provided at the lower end of the working bin through a mounting seat, a lower protective mirror is also provided at the lower end of the working bin through a mounting seat, a ceramic ring is fixedly connected to the lower end of the working bin, and a nozzle is provided at the lower end of the ceramic ring;

[0008] Steering drive mechanism: It is arranged between the steering bin and the steering shaft, which can realize the precise angle adjustment of the laser cutting head, effectively improving the laser cutting application range of the adjustable cutting head of the laser cutting machine.

[0009] Furthermore, it also includes a PLC controller, which is located at the front side of the cooling bin, and the input end of the PLC controller is electrically connected to an external power supply to coordinate and control various electrical appliances.

[0010] Furthermore, the steering drive mechanism includes a partition, a rotating shaft, a driving gear, a motor 1 and an angle sensor, the partition is fixedly connected to the front end inside the steering bin, the rear end of the steering shaft is rotatably connected to the middle part of the partition through a bearing 1, the rotating shaft is symmetrically rotatably connected between the front inner wall of the steering bin and the partition, the driving gear is fixedly connected to the middle part of the rotating shaft on the left side, the middle part of the steering shaft is fixedly connected with a driven gear, the measuring gear is fixedly connected to the middle part of the rotating shaft on the right side, the driving gear is meshingly connected to the driven gear, and the driven gear is meshingly connected to the measuring gear, the motor 1 is arranged at the left end of the rear surface of the partition, the output shaft of the motor 1 is fixedly connected to the rear end of the rotating shaft on the left side, the angle sensor is arranged at the right end of the rear surface of the partition, the measuring shaft of the angle sensor is fixedly connected to the rear end of the rotating shaft at the right end, the angle sensor is bidirectionally electrically connected to the PLC controller, and the input end of the motor 1 is electrically connected to the output end of the PLC controller to achieve precise angle adjustment of the cutting head.

[0011] Furthermore, an optical core is provided at the upper end of the working chamber, and the upper end of the optical core is electrically connected to the output end of an external laser generator through an optical fiber line, and the input end of the external laser generator is electrically connected to the output end of the PLC controller to provide a laser source for the laser cutting head.

[0012] Furthermore, the adjusting frame is internally rotatably connected with a screw rod, the middle part of the screw rod is connected with the internal thread of the sliding block, the adjusting frame is internally fixedly connected with symmetrically distributed guide columns, the middle parts of the guide columns are all connected with the internal sliding connection of the sliding block, and the upper end of the adjusting frame is provided with a second motor, the output shaft of the second motor is fixedly connected with the upper end of the screw rod, and the input end of the second motor is electrically connected with the output end of the PLC controller to realize the vertical position adjustment of the nozzle.

[0013] Furthermore, a spiral blade is fixedly connected between the cooling bin and the working bin, a water inlet pipe is provided at the upper end of the cooling bin, a water outlet pipe is provided at the lower end of the cooling bin, a bin door is hinged at the upper end of the steering bin, and evenly distributed ventilation holes are provided at both ends of the steering bin to achieve cooling of the laser cutting head during the laser cutting process, which is convenient for component maintenance.

[0014] Furthermore, the rear end of the adjustment frame is fixedly connected to an I-shaped mounting plate via a support plate, and evenly distributed mounting holes are arranged inside the I-shaped mounting plate to facilitate the connection between the laser cutting head and the laser cutting machine.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the adjustable cutting head of the laser cutting machine has the following advantages:

[0016] Personnel use the PLC controller to realize the operation of motor one. The output shaft of motor one rotates to drive the rotating shaft on the left, and then drives the driving gear to rotate. The driving gear rotates to drive the driven gear to rotate, and then drives the steering shaft to rotate. The steering shaft rotates to drive the cooling bin to rotate, so as to achieve the angle adjustment of the nozzle. At the same time, the driven gear rotates to drive the measuring gear to rotate, and then drives the rotating shaft on the right end to rotate. At the same time, the PLC controller realizes the operation of the angle sensor. The rotation of the rotating shaft on the right end drives the measuring shaft of the angle sensor to rotate. According to the ratio of the number of teeth of the driven gear and the measuring gear, the rotation angle of the steering shaft is measured, and then the vertical angle adjustment of the nozzle is achieved. The angle sensor sends the angle information to the signal receiving end of the PLC controller in real time. When the nozzle reaches the required angle, the personnel turns off motor one through the PLC controller, so as to achieve the precise angle adjustment of the laser cutting head. The precise angle adjustment of the laser cutting head can be achieved, which effectively improves the application range of laser cutting of the adjustable cutting head of the laser cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure inside the utility model;

[0019] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0020] In the figure: 1 adjustment frame, 2 steering chamber, 3 cooling chamber, 4 working chamber, 5 optical core, 6 steering drive mechanism, 61 partition, 62 rotating shaft, 63 driving gear, 64 motor 1, 65 angle sensor, 66 measuring gear, 7 upper protective mirror, 8 collimating mirror, 9 focusing mirror, 10 middle protective mirror, 11 lower protective mirror, 12 steering shaft, 13 optical fiber line, 14 ceramic ring, 15 nozzle, 16 screw rod, 17 guide column, 18 motor 2, 19 I-shaped mounting plate, 20 PLC controller. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-3 ,This embodiment provides a technical solution: an adjustable cutting head of a laser cutting machine, including an adjustment frame 1 and a steering drive mechanism 6;

[0023] Adjustment frame 1: a sliding block is slidably connected inside the adjustment frame, a steering bin 2 is fixedly connected to the front end of the sliding block, a steering shaft 12 is rotatably connected to the front end of the steering bin 2, a cooling bin 3 is fixedly connected to the front end of the steering shaft 12, a working bin 4 is fixedly connected to the cooling bin 3, an upper protective mirror 7 is arranged at the upper end of the working bin 4 through a mounting seat, a collimating mirror 8 is also arranged at the upper end of the working bin 4 through a mounting seat, a focusing mirror 9 is also arranged at the middle of the working bin 4 through a mounting seat, a middle protective mirror 10 is also arranged at the lower end of the working bin 4 through a mounting seat, a lower protective mirror 11 is also arranged at the lower end of the working bin 4 through a mounting seat, a ceramic ring 14 is fixedly connected to the lower end of the working bin 4, a ceramic ring 15 is fixedly connected to the lower end of the working bin 4, a ceramic ring 16 is fixedly connected to the lower end of the working bin 4, a ceramic ring 17 is fixedly connected to the lower end of the working bin 4, a ceramic ring 18 is fixedly connected to the lower end of the working bin 4, a ceramic ring 19 is fixedly connected to the lower end of the working bin 4, a ceramic ring 20 is fixedly connected to the lower end of the working bin 4, a ceramic ring 21 is fixedly connected to the lower end of the working bin 4, a ceramic ring 22 is fixedly connected to the lower end of the working bin 4, a ceramic ring 23 is fixedly connected to the lower end of the working bin 4, a ceramic ring 24 is fixedly connected to the lower end of the working bin 4, a ceramic ring 25 is fixedly connected to the lower end of the working bin 4, a ceramic ring 26 is fixedly connected to the lower end of the working bin 4, a ceramic ring 27 is fixedly connected to the lower end of the working bin A nozzle 15 is provided at the lower end of the ring 14, an optical core 5 is provided at the upper end of the working chamber 4, the upper end of the optical core 5 is electrically connected to the output end of the external laser generator through the optical fiber line 13, the input end of the external laser generator is electrically connected to the output end of the PLC controller 20, a spiral sheet is fixedly connected between the cooling chamber 3 and the working chamber 4, a water inlet pipe is provided at the upper end of the cooling chamber 3, a water outlet pipe is provided at the lower end of the cooling chamber 3, a chamber door is hinged at the upper end of the steering chamber 2, and evenly distributed ventilation holes are provided at both ends of the steering chamber 2, and the rear end of the adjusting frame 1 is fixedly connected to the I-shaped mounting plate 19 through a support plate, and evenly distributed mounting holes are provided inside the I-shaped mounting plate 19;

[0024] Steering drive mechanism 6: It is arranged between the steering warehouse 2 and the steering shaft 12. The steering drive mechanism 6 includes a partition 61, a rotating shaft 62, a driving gear 63, a motor 64 and an angle sensor 65. The partition 61 is fixedly connected to the front end of the steering warehouse 2. The rear end of the steering shaft 12 is rotatably connected to the middle part of the partition 61 through a bearing. The rotating shaft 62 is symmetrically rotatably connected between the front inner wall of the steering warehouse 2 and the partition 61. The driving gear 63 is fixedly connected to the middle part of the rotating shaft 62 on the left side. The middle part of the steering shaft 12 is fixedly connected to The driven gear and the measuring gear 66 are fixedly connected to the middle of the rotating shaft 62 on the right side, the driving gear 63 is meshed with the driven gear, the driven gear is meshed with the measuring gear 66, the motor 1 64 is arranged at the left end of the rear surface of the partition 61, the output shaft of the motor 1 64 is fixedly connected to the rear end of the rotating shaft 62 on the left side, the angle sensor 65 is arranged at the right end of the rear surface of the partition 61, the measuring shaft of the angle sensor 65 is fixedly connected to the rear end of the rotating shaft 62 at the right end, and the angle sensor 65 is bidirectionally electrically connected to the PLC controller 20. Then, the input end of the motor 64 is electrically connected to the output end of the PLC controller 20. When the motor 64 is running, the output shaft of the motor 64 rotates to drive the rotating shaft 62 on the left side to rotate, thereby driving the driving gear 63 to rotate. The driving gear 63 rotates to drive the driven gear to rotate, thereby driving the steering shaft 12 to rotate. The steering shaft 12 rotates to drive the cooling bin 3 to rotate, thereby realizing the angle adjustment of the nozzle 15. At the same time, the driven gear rotates to drive the measuring gear 66 to rotate, thereby driving the rotating shaft 62 at the right end to rotate. At the same time, the PLC controller 20 realizes the operation of the angle sensor 65. The rotation of the rotating shaft 62 at the right end drives the measuring shaft of the angle sensor 65 to rotate. According to the ratio of the number of teeth of the driven gear and the measuring gear 66, the rotation angle of the steering shaft 12 is measured, thereby realizing the vertical angle adjustment of the nozzle 15. The angle sensor 65 sends the angle information to the signal receiving end of the PLC controller 20 in real time. When the nozzle 15 reaches the required angle, the motor 64 is turned off through the PLC controller 20, thereby realizing the precise angle adjustment of the laser cutting head.

[0025] Wherein: it also includes a PLC controller 20, the PLC controller 20 is located at the front side of the cooling bin 3, and the input end of the PLC controller 20 is electrically connected to the external power supply;

[0026] Among them: the internal rotation connection of the adjustment frame 1 is connected with a screw rod 16, the middle part of the screw rod 16 is connected with the internal thread of the sliding block, the internal fixed connection of the adjustment frame 1 is connected with symmetrically distributed guide columns 17, the middle part of the guide columns 17 are connected with the internal sliding connection of the sliding block, the upper end of the adjustment frame 1 is provided with a motor 2 18, the output shaft of the motor 2 18 is fixedly connected with the upper end of the screw rod 16, the input end of the motor 2 18 is electrically connected with the output end of the PLC controller 20, the motor 2 18 is running, the output shaft of the motor 2 18 rotates to drive the screw rod 16 to rotate, and then The sliding block moves vertically under the guidance of the guide column 17, thereby driving the steering bin 2 to move vertically, and finally realizing the vertical movement of the nozzle 15. When the nozzle 15 reaches the required position, the PLC controller 20 turns off the motor 2 18 and realizes the operation of the external laser generator. At the same time, the optical fiber line 13 provides a laser source to the optical core 5, and then the laser source is converted into a laser line, which is refracted by the upper protective mirror 7, the collimating mirror 8, the focusing mirror 9, the middle protective mirror 10 and the lower protective mirror 11 in sequence, and then ejected through the nozzle 15 to perform laser cutting.

[0027] The working principle of the adjustable cutting head of the laser cutting machine provided by the utility model is as follows: when working, the personnel first stably connect the mounting hole inside the I-shaped mounting plate 19 with the threaded hole in the working area by bolts, so as to realize the stable installation of the laser cutting head. After the installation is stable, the personnel realize the operation of the motor 64 through the PLC controller 20. The output shaft of the motor 64 rotates to drive the rotating shaft 62 on the left to rotate, and then drives the driving gear 63 to rotate. The driving gear 63 rotates to drive the driven gear to rotate, and then drives the steering shaft 12 to rotate. The steering shaft 12 rotates to drive the cooling bin 3 to rotate, so as to realize the angle adjustment of the nozzle 15. At the same time, the driven gear rotates to drive the measuring gear 66 to rotate, and then drives the rotating shaft 62 at the right end to rotate. At the same time, the PLC controller 20 realizes the operation of the angle sensor 65. The rotation of the rotating shaft 62 at the right end drives the measuring shaft of the angle sensor 65 to rotate. According to the ratio of the number of teeth of the driven gear and the measuring gear 66, the rotation angle of the steering shaft 12 is realized. The angle sensor 65 sends the angle information to the signal receiving end of the PLC controller 20 in real time. When the nozzle 15 reaches the desired angle, the personnel turns off the motor 1 64 through the PLC controller 20, thereby realizing the precise angle adjustment of the laser cutting head. Then the PLC controller 20 realizes the operation of the motor 2 18. The output shaft of the motor 2 18 rotates to drive the screw 16 to rotate, so that the sliding block moves vertically under the guidance of the guide column 17, thereby driving the steering bin 2 to move vertically, and finally realizing the vertical movement of the nozzle 15. When the nozzle 15 reaches the desired position, the PLC controller 20 turns off the motor 2 18 and realizes the operation of the external laser generator. At the same time, the optical fiber line 13 provides a laser source to the optical core 5, and then the laser source is converted into a laser line, which is refracted by the upper protective mirror 7, the collimating mirror 8, the focusing mirror 9, the middle protective mirror 10 and the lower protective mirror 11 in turn, and then ejected through the nozzle 15 to perform laser cutting.

[0028] It is worth noting that the motor 1 64 disclosed in the above embodiment can use the adjustable cutting head 3406 motor of the 20BYG laser cutting machine, the angle sensor 65 can use the SMA36SC analog sensor, the motor 2 18 can use the 70KTYZ motor, and the PLC controller 20 can use the adjustable cutting head programmable controller of the DVP48E laser cutting machine. The PLC controller 20 controls the operation of the motor 1 64, the angle sensor 65, the motor 2 18 and the external laser generator using methods commonly used in the prior art.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Adjustable cutting head of laser cutting machine, characterized by: It comprises an adjustment frame (1) and a steering drive mechanism (6); An adjusting frame (1): a sliding block is slidably connected inside the adjusting frame, a front end of the sliding block is fixedly connected to a steering chamber (2), a front end of the steering chamber (2) is rotatably connected to a steering shaft (12), a front end of the steering shaft (12) is fixedly connected to a cooling chamber (3), a working chamber (4) is fixedly connected inside the cooling chamber (3), an upper protective mirror (7) is arranged at the upper end of the working chamber (4) through a mounting seat, a collimating mirror (8) is also arranged at the upper end of the working chamber (4) through a mounting seat, a focusing mirror (9) is also arranged at the middle of the working chamber (4) through a mounting seat, a middle protective mirror (10) is also arranged at the lower end of the working chamber (4) through a mounting seat, a lower protective mirror (11) is also arranged at the lower end of the working chamber (4), a ceramic ring (14) is fixedly connected to the lower end of the working chamber (4), and a nozzle (15) is arranged at the lower end of the ceramic ring (14); Steering drive mechanism (6): arranged between the steering bin (2) and the steering shaft (12).

2. The adjustable cutting head of the laser cutting machine according to claim 1, characterized in that: It also comprises a PLC controller (20), wherein the PLC controller (20) is located at the front side of the cooling bin (3), and an input end of the PLC controller (20) is electrically connected to an external power supply.

3. The adjustable cutting head of the laser cutting machine according to claim 2, characterized in that: The steering drive mechanism (6) comprises a partition (61), a rotating shaft (62), a driving gear (63), a motor (64) and an angle sensor (65), wherein the partition (61) is fixedly connected to the front end of the steering bin (2), the rear end of the steering shaft (12) is rotationally connected to the middle part of the partition (61) via a bearing, the rotating shaft (62) is symmetrically rotationally connected between the front inner wall of the steering bin (2) and the partition (61), the driving gear (63) is fixedly connected to the middle part of the rotating shaft (62) on the left side, the middle part of the steering shaft (12) is fixedly connected to a driven gear, and the measuring gear (66) is fixedly connected to the rotating shaft (62) on the right side. 2), the driving gear (63) is meshedly connected with the driven gear, the driven gear is meshedly connected with the measuring gear (66), the motor 1 (64) is arranged at the left end of the rear surface of the partition (61), the output shaft of the motor 1 (64) is fixedly connected to the rear end of the left rotating shaft (62), the angle sensor (65) is arranged at the right end of the rear surface of the partition (61), the measuring shaft of the angle sensor (65) is fixedly connected to the rear end of the right rotating shaft (62), the angle sensor (65) is bidirectionally electrically connected to the PLC controller (20), and the input end of the motor 1 (64) is electrically connected to the output end of the PLC controller (20).

4. The adjustable cutting head of the laser cutting machine according to claim 2, characterized in that: An optical core (5) is provided at the upper end of the working chamber (4); the upper end of the optical core (5) is electrically connected to the output end of an external laser generator via an optical fiber line (13); and the input end of the external laser generator is electrically connected to the output end of a PLC controller (20).

5. The adjustable cutting head of the laser cutting machine according to claim 2, characterized in that: The adjusting frame (1) is internally rotatably connected to a screw rod (16), the middle portion of which is threadably connected to the inside of a sliding block, the adjusting frame (1) is internally fixedly connected to symmetrically distributed guide columns (17), the middle portions of which are slidably connected to the inside of the sliding block, a second motor (18) is disposed at the upper end of the adjusting frame (1), the output shaft of the second motor (18) is fixedly connected to the upper end of the screw rod (16), and the input end of the second motor (18) is electrically connected to the output end of a PLC controller (20).

6. The adjustable cutting head of the laser cutting machine according to claim 1, characterized in that: A spiral sheet is fixedly connected between the cooling bin (3) and the working bin (4); a water inlet pipe is provided at the upper end of the cooling bin (3); a water outlet pipe is provided at the lower end of the cooling bin (3); a bin door is hinged at the upper end of the steering bin (2); and evenly distributed ventilation holes are provided at both left and right ends of the steering bin (2).

7. The adjustable cutting head of the laser cutting machine according to claim 1, characterized in that: The rear end of the adjustment frame (1) is fixedly connected to an I-shaped mounting plate (19) via a support plate, and evenly distributed mounting holes are arranged inside the I-shaped mounting plate (19).

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