Laser cutting head lens protection device with blowing dust prevention function and protection method

Abstract

The invention relates to the technical field of laser cutting head lenses, in particular to a laser cutting head lens protection device with a blowing dustproof function and a protection method.The laser cutting head lens protection device comprises a base and a support, the support is arranged at the upper end of the base, a moving box is arranged on the support, a cutting assembly is arranged on one side of the moving box, a dustproof mechanism is arranged on one side of the cutting assembly, and a fixing plate is arranged in the dustproof mechanism; a groove is formed in the fixing plate, a baffle is arranged on the groove, a servo motor is arranged at the upper end of the fixing plate, a threaded rod is fixedly installed at the output end of the servo motor through a coupler, a first threaded sleeve is arranged on the threaded rod, a first rotating shaft is arranged on one side of the first threaded sleeve, a hydraulic rod is arranged on the first rotating shaft, and a second rotating shaft is arranged at the telescopic end of the hydraulic rod. And a second threaded sleeve is arranged on the threaded rod, a third rotating shaft is arranged on one side of the second threaded sleeve, air injection guns are arranged on the second rotating shaft and the third rotating shaft, air connecting pipes are arranged on the air injection guns, air nozzles are arranged on the air injection guns, and the service life of the device is prolonged.

Description

Technical Field

[0001] This invention relates to the field of laser cutting head lens technology, specifically to a laser cutting head lens protection device and method with air blowing dust prevention. Background Technology

[0002] Laser cutting head lenses are key optical components in laser cutting systems used to transmit, focus, and protect the laser beam. They mainly consist of protective lenses, collimating lenses, and focusing lenses, and are mostly made of high-transmittance materials such as silicon dioxide and zinc selenide. During the use of laser cutting head lenses, it is necessary to protect the lenses.

[0003] In response, Chinese patent application number CN113042912A discloses a laser cutting head and its anti-collision protection device. The anti-collision protection device includes an upper protective part disposed at the lower end of the upper component of the cutting head and a lower protective part disposed at the upper end of the lower component of the cutting head. The upper and lower protective parts are connected by a magnetic attraction connection structure. On one of the opposing surfaces of the upper and lower protective parts, a positioning pin is provided, and on the other opposing surface, a positioning hole for cooperating with the positioning pin is provided, forming a repeatable positioning structure. In the event of a collision, the anti-collision protection device separates the collision part of the cutting head from other parts, mitigating the damage to the cutting head caused by the force of the collision. At the same time, it sends a signal to stop the cutting machine, forming a power-off protection, achieving dual protection for both the mechanical structure and the circuit, reducing damage to the collision part of the three-dimensional cutting head, avoiding the operator's repeated work of adjusting the light, effectively saving costs and improving efficiency.

[0004] However, when using the laser cutting head lens protection device and method with air blowing dust prevention, the laser cutting head lens may be affected by impact and dust during use. The existing device cannot regularly clean the lens and protect the lens as needed, which affects the working efficiency of the device.

[0005] Therefore, in order to solve the above problems, a laser cutting head lens protection device and protection method with air blowing dust prevention is proposed. Summary of the Invention

[0006] The purpose of this invention is to provide a laser cutting head lens protection device and method with air blowing dust prevention, in order to solve the problem that the laser cutting head lens protection device and method with air blowing dust prevention proposed in the background art are not able to perform dust removal and lens protection on the lens as needed, which affects the working efficiency of the device because the laser cutting head lens may be affected by impact and dust during use.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a laser cutting head lens protection device with air blowing dust prevention, comprising: a base and a bracket, the upper end of the base is provided with a bracket, the bracket is provided with a movable box, a cutting component is provided on one side of the movable box, a dust prevention mechanism is provided on one side of the cutting component, a fixed plate is provided inside the dust prevention mechanism, a groove is provided on the fixed plate, a baffle is provided on the groove, and a servo motor is provided at the upper end of the fixed plate. A threaded rod is fixedly installed at the output end of the servo motor through a coupling, a first threaded sleeve is provided on the threaded rod, a first rotating shaft is provided on one side of the first threaded sleeve, a hydraulic rod is provided on the first rotating shaft, a second rotating shaft is provided at the telescopic end of the hydraulic rod, and a second threaded sleeve is provided on the threaded rod, a third rotating shaft is provided on one side of the second threaded sleeve, and an air gun is provided on the second rotating shaft and the third rotating shaft, an air inlet pipe is provided on the air gun, and an air nozzle is provided on the air gun. The cutting assembly is equipped with a protective mechanism, which includes a fixed sleeve. Limiting pads are located on both sides of the fixed sleeve. A dustproof mechanism protects the laser head from dust. A servo motor is activated to rotate a threaded rod, which in turn moves the first and second threaded sleeves, thus moving the air gun. A baffle protects the groove during this process. The angle of the air gun is adjusted using the first, second, and third rotating shafts in conjunction with a hydraulic rod, ensuring the nozzle is parallel to the laser cutting head. The air gun can then be connected to an existing air pump via an air inlet pipe to remove dust from the laser cutting head's lens. Finally, rotating the nut rotates the positioning bolt, allowing the fixed sleeve to be installed on the laser cutting head. A protective cover formed by the fixed ring, reinforcing rod, middle ring, and bottom ring further protects the laser cutting head, extending the device's lifespan.

[0008] Preferably, a nut is provided on one side of the limiting pad, and a positioning bolt is fixedly installed on the nut. One end of the positioning bolt is threaded onto the limiting pad, and the limiting pad can support and limit the positioning bolt.

[0009] Preferably, a fixing ring is fixedly installed at the bottom end of the fixing sleeve, a reinforcing rod is fixedly installed on the fixing ring, a middle ring is fixedly installed in the middle of the reinforcing rod, and a bottom ring is fixedly installed at the bottom end of the reinforcing rod. The reinforcing rod can support and fix the middle ring and the bottom ring.

[0010] Preferably, the fixing plate is fixedly installed on the cutting assembly, and the baffle is fixedly installed on the groove. The fixing plate can support and fix the servo motor.

[0011] Preferably, the servo motor is fixedly mounted on the fixed plate, one end of the threaded rod is fixedly mounted in the groove by a bearing, and the first threaded sleeve is threadedly mounted on the threaded rod. The servo motor can drive the threaded rod to rotate, and the threaded rod can drive the first threaded sleeve and the second threaded sleeve to move.

[0012] Preferably, one side of the first rotating shaft is fixedly mounted on the first threaded sleeve, the bottom end of the hydraulic rod is fixedly mounted on the first rotating shaft, and one side of the second rotating shaft is fixedly mounted on the telescopic end of the hydraulic rod, with the first rotating shaft used to support and limit the bottom end of the hydraulic rod.

[0013] Preferably, the second threaded sleeve is threaded onto the threaded rod, one side of the third rotating shaft is fixedly mounted on the second threaded sleeve, and the jet gun side is fixedly mounted on the second and third rotating shafts. The second rotating shaft allows the hydraulic rod to adjust the angle of the jet gun.

[0014] Preferably, the air inlet pipe is fixedly installed at the bottom of the jet gun, the jet nozzle is detachably installed on the jet gun, and the limiting pad is fixedly installed on the fixing sleeve. The fixing sleeve is detachably installed on the cutting assembly by positioning bolts. The air pump is connected to the jet gun through the air inlet pipe to generate high-pressure gas.

[0015] A method for protecting the lens of a laser cutting head with air-blowing dust prevention:

[0016] S1. Install the cutting assembly on the bracket and connect the power supply. Fit the fixing sleeve onto the cutting head inside the cutting assembly and rotate the nut to drive the positioning bolt to rotate.

[0017] S2. Install the protective mechanism on the cutting head inside the cutting assembly, position the reinforcing rod using the fixing ring, and fix the middle ring and bottom ring using the reinforcing rod.

[0018] S3. The servo motor is started to drive the threaded rod to rotate, and the threaded rod simultaneously drives the first threaded sleeve and the second threaded sleeve to move, and the first threaded sleeve and the second threaded sleeve drive the first rotating shaft and the third rotating shaft to move.

[0019] S4. The hydraulic rod drives the jet gun to adjust its angle via the second rotating shaft. It is connected to the air pump via the air pipe, and the jet nozzle is used to remove dust from the cutting head lens inside the cutting assembly.

[0020] S5. Rotate the nut to drive the positioning bolt, and pull down the fixing sleeve to remove the protective mechanism.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention can process the cutting head lens as needed by setting up a dust removal mechanism. Compared with the existing structure, the present invention adopts a servo motor, threaded rod, hydraulic rod, rotating shaft assembly, air gun, air nozzle and other structures. As needed, the servo motor drives the threaded rod to rotate, and the threaded rod drives the first threaded sleeve and the second threaded sleeve to move synchronously, thereby driving the air gun to move. In this process, the angle of the air gun nozzle can be adjusted by the hydraulic rod. This structure is simple to use and thus improves the working efficiency of the device.

[0022] The invention is equipped with a protective mechanism that protects the cutting head lens. Compared to existing structures, this invention uses a structure consisting of a fixing sleeve, positioning bolts, fixing rings, reinforcing rods, a middle ring, and a bottom ring to form a protective cover, which can effectively protect the laser cutting head lens and thus improve the service life of the device. Attached Figure Description

[0023] Figure 1 This is a front view schematic diagram of the structure of the device body of the present invention;

[0024] Figure 2 This is a frontal cross-sectional view of the main body of the device of the present invention;

[0025] Figure 3 This is a front view schematic diagram of the structure of the device body of the present invention when it is stretched;

[0026] Figure 4 This is a side cross-sectional view of the structure of the cutting component body of the present invention during stretching;

[0027] Figure 5 This is a front sectional view of the protective structure of the present invention;

[0028] Figure 6 This is a top sectional view of the dust removal mechanism of the present invention;

[0029] Figure 7 This is an enlarged schematic diagram of the protective mechanism of the present invention.

[0030] In the diagram: 1. Base; 2. Bracket; 3. Moving box; 4. Cutting assembly; 5. Dustproof mechanism; 51. Fixing plate; 52. Groove; 53. Baffle; 54. Servo motor; 55. Threaded rod; 56. First threaded sleeve; 57. First rotating shaft; 58. Hydraulic rod; 59. Second rotating shaft; 510. Second threaded sleeve; 511. Third rotating shaft; 512. Air gun; 513. Air inlet pipe; 514. Air nozzle; 6. Protective mechanism; 61. Fixing sleeve; 62. Limiting pad; 63. Nut; 64. Positioning bolt; 65. Fixing ring; 66. Reinforcing rod; 67. Middle ring; 68. Bottom ring. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0033] Please see Figures 1-7 One embodiment provided by the present invention:

[0034] The servo motor 54 used in this application is a product that can be purchased directly from the market. Its principle and connection method are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0035] A laser cutting head lens protection device with air blowing dust prevention includes: a base 1 and a bracket 2. The bracket 2 is provided on the upper end of the base 1. A movable box 3 is provided on the bracket 2. A cutting component 4 is provided on one side of the movable box 3. A dust prevention mechanism 5 is provided on one side of the cutting component 4. A fixing plate 51 is provided inside the dust prevention mechanism 5. A groove 52 is formed on the fixing plate 51. A baffle 53 is provided on the groove 52. A servo motor 54 is provided on the upper end of the fixing plate 51. A threaded rod 55 is fixedly installed on the output end of the servo motor 54 through a coupling. A first threaded sleeve 56 is provided on the threaded rod 55. A first rotating shaft 57 is provided on one side of the first threaded sleeve 56. A... A hydraulic rod 58 is provided, with a second rotating shaft 59 at the telescopic end of the hydraulic rod 58, and a second threaded sleeve 510 on the threaded rod 55. A third rotating shaft 511 is provided on one side of the second threaded sleeve 510, and an air gun 512 is provided on the second rotating shaft 59 and the third rotating shaft 511. An air inlet pipe 513 is provided on the air gun 512, and an air nozzle 514 is provided on the air gun 512. A protective mechanism 6 is provided on the cutting assembly 4. A fixing sleeve 61 is provided inside the protective mechanism 6, and limiting pads 62 are provided on both sides of the fixing sleeve 61. By setting this component, the cutting head lens can be protected by the protective mechanism 6, and the cutting head lens can be cleaned by the dust removal mechanism 5.

[0036] As a further step of the present invention, a nut 63 is provided on one side of the limiting pad 62, and a positioning bolt 64 is fixedly installed on the nut 63. One end of the positioning bolt 64 is threaded onto the limiting pad 62. By setting this component, the positioning bolt 64 can be rotated by the nut 63.

[0037] As a further step of the present invention, a fixing ring 65 is fixedly installed at the bottom end of the fixing sleeve 61, a reinforcing rod 66 is fixedly installed on the fixing ring 65, a middle ring 67 is fixedly installed in the middle of the reinforcing rod 66, and a bottom ring 68 is fixedly installed at the bottom end of the reinforcing rod 66. By setting this component, the reinforcing rod 66 can be supported and fixed by the fixing ring 65, and a protective cover is formed by the middle ring 67 and the bottom ring 68.

[0038] As a further step of the present invention, the fixing plate 51 is fixedly installed on the cutting assembly 4, and the baffle 53 is fixedly installed on the groove 52. By setting this component, the groove 52 can be sealed and protected by the baffle 53.

[0039] As a further step of the present invention, the servo motor 54 is fixedly mounted on the fixed plate 51, and one end of the threaded rod 55 is fixedly mounted in the groove 52 by a bearing. The first threaded sleeve 56 is threadedly mounted on the threaded rod 55. By setting this component, the threaded rod 55 can be rotated by the servo motor 54.

[0040] As a further step of the present invention, one side of the first rotating shaft 57 is fixedly installed on the first threaded sleeve 56, the bottom end of the hydraulic rod 58 is fixedly installed on the first rotating shaft 57, and one side of the second rotating shaft 59 is fixedly installed on the telescopic end of the hydraulic rod 58. By setting this component, the bottom end of the hydraulic rod 58 can be supported and limited by the first rotating shaft 57.

[0041] As a further step of the present invention, the second threaded sleeve 510 is threadedly mounted on the threaded rod 55, one side of the third rotating shaft 511 is fixedly mounted on the second threaded sleeve 510, and one side of the jet gun 512 is fixedly mounted on the second rotating shaft 59 and the third rotating shaft 511. By setting this component, the hydraulic rod 58 can adjust the angle of the jet nozzle 514 through the second rotating shaft 59 and the third rotating shaft 510.

[0042] As a further step of the present invention, the air inlet pipe 513 is fixedly installed at the bottom end of the air gun 512, the air nozzle 514 is detachably installed on the air gun 512, and the limiting pad 62 is fixedly installed on the fixing sleeve 61. The fixing sleeve 61 is detachably installed on the cutting assembly 4 by means of the positioning bolt 64. By setting this component, the fixing sleeve 61 can be fixedly installed on the cutting head by means of the positioning bolt 64.

[0043] A method for protecting the lens of a laser cutting head with air-blowing dust prevention:

[0044] S1. Install the cutting assembly 4 on the bracket 2 and connect the power supply. Fit the fixing sleeve 61 onto the cutting head inside the cutting assembly 4, and rotate the nut 63 to drive the positioning bolt 64 to rotate.

[0045] S2. Install the protective mechanism 6 on the cutting head inside the cutting assembly 4, position the reinforcing rod 66 by the fixing ring 65, and fix the middle ring, bottom ring 67, and bottom ring 68 by the reinforcing rod 66.

[0046] S3. The servo motor 54 is started to drive the threaded rod 55 to rotate. The threaded rod 55 simultaneously drives the first threaded sleeve 56 and the second threaded sleeve 510 to move. The first threaded sleeve 56 and the second threaded sleeve 510 drive the first rotating shaft 57 and the third rotating shaft 511 to move.

[0047] S4. The hydraulic rod 58 drives the jet gun 512 to adjust its angle via the second rotating shaft 59, and is connected to the air pump via the air inlet pipe 513. The jet nozzle 514 is used to remove dust from the cutting head lens inside the cutting assembly 4.

[0048] S5. Rotate the nut 63 to drive the positioning bolt 64 to work, and pull down the fixing sleeve 61 to remove the protective mechanism 6.

[0049] Working principle: Before using the laser cutting head lens protection device with air blowing dust prevention, simply install the device on the worktable via the base 1 and power it with the existing power supply. The dust prevention mechanism can then protect the laser head from dust. The servo motor 54 is activated to drive the threaded rod 55 to rotate. Simultaneously, the threaded rod 55 moves the first threaded sleeve 56 and the second threaded sleeve 510, thereby moving the air gun 512. During this process, the groove 52 is protected by the baffle 53. As needed, the first rotating shaft 57 and the second rotating shaft 510 can be used to... 9. The function of the third rotating shaft 511 is to adjust the angle of the jet gun 512 in conjunction with the hydraulic rod 58, so that the jet nozzle 514 is parallel to the laser cutting head. The jet gun 512 can then be connected to the existing air pump through the air inlet pipe 513 to remove dust from the lens of the laser cutting head. The fixing sleeve 61 can be installed on the laser cutting head by rotating the nut 63 to drive the positioning bolt 64. The protective cover formed by the fixing ring 65, the reinforcing rod 66, the middle ring 67, and the bottom ring 68 protects the laser cutting head, thereby improving the service life of the device.

[0050] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Those skilled in the art can readily implement the present invention based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the present invention, utilizing the disclosed technical content, are equivalent embodiments of the present invention. Furthermore, any modifications, alterations, or variations made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the present invention.

Claims

1. A laser cutting head lens protection device with air blowing dust prevention, comprising: A base (1) and a support (2), the upper end of the base (1) is provided with a support (2), the support (2) is provided with a movable box (3), and a cutting component (4) is provided on one side of the movable box (3); Its features are: The cutting assembly (4) is provided with a dustproof mechanism (5) on one side. The dustproof mechanism (5) is provided with a fixing plate (51). The fixing plate (51) is provided with a groove (52). The groove (52) is provided with a baffle (53). A servo motor (54) is provided at the upper end of the fixing plate (51). A threaded rod (55) is fixedly installed at the output end of the servo motor (54) through a coupling. A first threaded sleeve (56) is provided on the threaded rod (55). A first rotating shaft (57) is provided on one side of the first threaded sleeve (56). A hydraulic rod (58) is provided on the first rotating shaft (57). (58) The telescopic end is provided with a second rotating shaft (59), and a second threaded sleeve (510) is provided on the threaded rod (55). A third rotating shaft (511) is provided on one side of the second threaded sleeve (510), and a jet gun (512) is provided on the second rotating shaft (59) and the third rotating shaft (511). An air inlet pipe (513) is provided on the jet gun (512), and a jet nozzle (514) is provided on the jet gun (512). A protective mechanism (6) is provided on the cutting assembly (4). A fixing sleeve (61) is provided inside the protective mechanism (6), and a limiting pad (62) is provided on both sides of the fixing sleeve (61).

2. The laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The limiting pad (62) is provided with a nut (63) on one side, and a positioning bolt (64) is fixedly installed on the nut (63). One end of the positioning bolt (64) is threaded onto the limiting pad (62).

3. The laser cutting head lens protection device with air blowing dust prevention according to claim 2, characterized in that: A fixing ring (65) is fixedly installed at the bottom of the fixing sleeve (61), a reinforcing rod (66) is fixedly installed on the fixing ring (65), a middle ring (67) is fixedly installed in the middle of the reinforcing rod (66), and a bottom ring (68) is fixedly installed at the bottom of the reinforcing rod (66).

4. The laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The fixing plate (51) is fixedly installed on the cutting assembly (4), and the baffle (53) is fixedly installed on the groove (52).

5. A laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The servo motor (54) is fixedly mounted on the fixed plate (51), and one end of the threaded rod (55) is fixedly mounted in the groove (52) by a bearing. The first threaded sleeve (56) is threadedly mounted on the threaded rod (55).

6. A laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The first rotating shaft (57) is fixedly installed on one side of the first threaded sleeve (56), the bottom end of the hydraulic rod (58) is fixedly installed on the first rotating shaft (57), and the second rotating shaft (59) is fixedly installed on one side of the extension end of the hydraulic rod (58).

7. A laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The second threaded sleeve (510) is threaded onto the threaded rod (55), one side of the third rotating shaft (511) is fixedly mounted on the second threaded sleeve (510), and one side of the jet gun (512) is fixedly mounted on the second rotating shaft (59) and the third rotating shaft (511).

8. A laser cutting head lens protection device with air blowing dust prevention according to claim 1, characterized in that: The air inlet pipe (513) is fixedly installed at the bottom of the jet gun (512), the jet nozzle (514) is detachably installed on the jet gun (512), and the limiting pad (62) is fixedly installed on the fixing sleeve (61). The fixing sleeve (61) is detachably installed on the cutting assembly (4) by the positioning bolt (64).

9. A method for protecting the lens of a laser cutting head with air-blowing dust prevention according to any one of claims 1-8: S1. Install the cutting assembly (4) on the bracket (2) and turn on the power. Put the fixing sleeve (61) on the cutting head inside the cutting assembly (4) and rotate the nut (63) to drive the positioning bolt (64) to rotate. S2. Install the protective mechanism (6) on the cutting head inside the cutting assembly (4), position the reinforcing rod (66) by the fixing ring (65), and fix the middle ring (67) and bottom ring (68) by the reinforcing rod (66). S3. The servo motor (54) is started to drive the threaded rod (55) to rotate. The threaded rod (55) simultaneously drives the first threaded sleeve (56) and the second threaded sleeve (510) to move. The first threaded sleeve (56) and the second threaded sleeve (510) drive the first rotating shaft (57) and the third rotating shaft (511) to move. S4. The hydraulic rod (58) drives the jet gun (512) to adjust the angle through the second rotating shaft (59), and connects to the air pump through the air inlet pipe (513). The jet nozzle (514) is used to remove dust from the cutting head lens in the cutting assembly (4). S5. Rotate the nut (63) to drive the positioning bolt (64) to work, and pull down the fixing sleeve (61) to remove the protective mechanism (6).

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