Coaxial single-sided rotating mirror device

Abstract

The utility model relates to a coaxial single-face rotating mirror device, belongs to the technical field of laser engraving machining, and aims to overcome the defects that an existing rotating mirror device is not simple enough in structure and large in size. The coaxial single-face rotating mirror device comprises a shell, a sealing cover, a rotating motor and a reflecting mirror. The shell comprises a first panel, a second panel, a third panel, a fourth panel and a fifth panel, the first panel and the second panel are oppositely arranged at an interval, the third panel and the fourth panel are oppositely arranged at an interval, the fifth panel is perpendicular to the first panel, the second panel, the third panel and the fourth panel, a light inlet hole is formed in the first panel, and the sealing cover and the fifth panel are oppositely arranged at an interval. The radiating lens is connected to the sealing cover, the rotating motor is arranged on the inner side of the shell, and the output end of the rotating motor is connected with the reflecting mirror.

Description

Technical Field

[0001] The present application relates to the technical field of laser engraving processing, and in particular to a coaxial single-sided rotating mirror device. Background Art

[0002] In the current laser engraving process, a rotating mirror device is used to adjust and change the irradiation direction of the laser so as to perform laser engraving. However, the existing rotating mirror device is not simple in structure and has a large size.

[0003] With respect to the above-mentioned related technologies, the inventor believes that the existing rotating mirror device has the defects of being not simple in structure and being large in size. Utility Model Content

[0004] The present application provides a coaxial single-sided rotating mirror device to solve the defects of the existing rotating mirror device such as the structure is not simple enough and the volume is large.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide a coaxial single-sided rotating mirror device, the coaxial single-sided rotating mirror device comprising:

[0006] The housing comprises a first panel and a second panel which are arranged opposite to each other at intervals, a third panel and a fourth panel which are arranged opposite to each other at intervals, and a fifth panel which is perpendicular to the first panel, the second panel, the third panel and the fourth panel, wherein the first panel is provided with a light inlet hole;

[0007] A cover is arranged opposite to the fifth panel with a gap, and a radiation lens is connected to the cover;

[0008] The rotating motor is arranged inside the shell, and the output end of the rotating motor is connected with a reflecting mirror.

[0009] By adopting the above technical solution, laser is emitted into the shell at the light inlet, the laser hits the reflector, the reflector reflects the laser to the radiation lens, and after adjustment by the radiation lens, the laser is output from the radiation lens to the outside of the coaxial single-sided rotating mirror device to perform engraving work, wherein the light inlet is arranged on the extension line of the rotating shaft of the rotating motor.

[0010] Preferably, the fifth panel is provided with connecting blocks at four corners close to the inner side of the shell, a control circuit board is provided on the connecting blocks, the rotating motor is connected to the control circuit board, and the output end of the rotating motor is arranged toward the light inlet.

[0011] Preferably, the reflector is arranged obliquely relative to the fifth panel, and the reflective surface of the reflector faces the side of the connection end between the first panel and the cover.

[0012] By adopting the above technical solution, the control circuit board is used to control the rotation of the rotary motor and limit the rotation angle of the rotary motor, so that the laser reflected by the reflector is within the acceptance range of the radiation lens.

[0013] Preferably, the cover is provided with an assembly hole, the first surface of the cover is provided with an abutment wall surrounding the assembly hole, and the radiation lens is assembled in the assembly hole.

[0014] Preferably, the radiation lens also includes a first step portion, a second step portion and a third step portion which are connected in sequence from small to large radial dimensions, a light input lens is arranged on the first step portion, a light output lens is arranged on the third step portion, threads are arranged correspondingly on the side wall of the first step and the inner side of the abutment wall, the radiation lens is threadedly connected to the cover, and the abutment wall abuts on the second step portion.

[0015] The radiation lens comprises an input end located at one side of the second surface of the cover after assembly and an output end located at one side of the first surface of the cover.

[0016] By adopting the above technical solution, the connection stability between the radiation lens and the cover is improved through the threaded arrangement on the abutment wall and the first step portion, and the laser enters the radiation lens from the light input lens and is then emitted from the light output lens to the outside of the radiation lens, thereby performing laser engraving.

[0017] Preferably, first screws are provided at four corners of the cover, and the cover is connected to the shell through the first screws.

[0018] By adopting the above technical solution and providing the first screw, the connection strength between the cover and the housing is improved, thereby improving the safety of the coaxial single-sided rotating mirror device during operation.

[0019] Preferably, second screws are provided at four corners of the control circuit board, and the control circuit board is connected to the connecting block via the second screws.

[0020] By adopting the above technical solution and providing the second screw, the stability of the connection of the control circuit board is improved, thereby improving the safety of the coaxial single-sided rotating mirror device during operation.

[0021] The beneficial effects of the present application are as follows: the coaxial single-sided rotating mirror device provided by the present application has a simple overall structure, a small size and saves space. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of a coaxial single-sided rotating mirror device provided in an embodiment of the present application;

[0024] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the housing of the coaxial single-sided rotating mirror device;

[0025] Figure 3 yes Figure 1 A schematic diagram of the three-dimensional structure of the coaxial single-sided rotating mirror device after removing the cover and the radiation lens;

[0026] Figure 4 yes Figure 1 A schematic diagram of the three-dimensional structure of the cover of the coaxial single-sided rotating mirror device;

[0027] Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure of the radiation lens of the coaxial single-sided rotating mirror device.

[0028] Explanation of the reference numerals: 110, first panel; 111, light inlet; 120, second panel; 130, third panel; 140, fourth panel; 150, fifth panel; 151, connecting block; 160, cover; 161, abutting wall; 162, assembly hole; 170, radiating lens; 171, first step portion; 172, second step portion; 173, third step portion; 180, rotating motor; 181, reflector; 182, control circuit board. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), such directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0032] See also Figure 1-Figure 5 As shown, the present application provides a coaxial single-sided rotating mirror device, which includes a housing, a cover 160 , a rotating motor 180 and a reflecting mirror 181 .

[0033] See also Figure 1 , Figure 2 , Figure 3 As shown, the shell includes a first panel 110 and a second panel 120 arranged opposite to each other at an interval, a third panel 130 and a fourth panel 140 arranged opposite to each other at an interval, and a fifth panel 150 perpendicular to the first panel 110, the second panel 120, the third panel 130 and the fourth panel 140. The first panel 110 is provided with a light inlet 111, the cover 160 and the fifth panel 150 are arranged opposite to each other at an interval, the cover 160 is connected to a radiation lens 170, a rotating motor 180 is arranged on the inner side of the shell, and the output end of the rotating motor 180 is connected to a reflector 181.

[0034] By emitting laser into the shell at the light inlet 111, the laser hits the reflector 181, and the reflector 181 reflects the laser to the radiation lens 170. After adjustment by the radiation lens 170, the laser is output from the radiation lens 170 to the outside of the coaxial single-sided rotating mirror device to perform engraving work, wherein the light inlet 111 is arranged on the extension line of the rotating shaft of the rotating motor 180.

[0035] See also Figure 3As shown, the fifth panel 150 is provided with connecting blocks 151 at the four corners near the inner side of the shell, and a control circuit board 182 is provided on the connecting block 151. The rotating motor 180 is connected to the control circuit board 182, and the output end of the rotating motor 180 is arranged toward the light inlet 111. The reflector 181 is inclined relative to the fifth panel 150, and the reflecting surface of the reflector 181 is toward the side of the connecting end of the first panel 110 and the cover 160. The rotating motor 180 is controlled to rotate and the rotation angle of the rotating motor 180 is limited by the setting of the control circuit board 182, so that the laser reflected by the reflector 181 is within the acceptance range of the radiation lens 170.

[0036] See also Figure 4 As shown, the cover 160 is provided with an assembly hole 162 , and the first surface of the cover 160 is provided with an abutment wall 161 surrounding the assembly hole 162 , and the radiation lens 170 is assembled in the assembly hole 162 .

[0037] See also Figure 5 As shown, the radiation lens 170 also includes a first step portion 171, a second step portion 172 and a third step portion 173 which are connected in sequence from small to large radial dimensions. A light input lens is arranged on the first step portion 171, and a light output lens is arranged on the third step portion 173. The side wall of the first step and the inner side of the abutment wall 161 are correspondingly provided with threads. The radiation lens 170 is threadedly connected to the cover 160, and the abutment wall 161 abuts on the second step portion 172. The radiation lens 170 includes an input end located on the second surface side of the cover 160 after assembly and an output end located on the first surface side of the cover 160. The threaded arrangement on the abutment wall 161 and the first step portion 171 improves the connection stability between the radiation lens 170 and the cover 160. The laser enters the radiation lens 170 from the light input lens and is then emitted from the light output lens to the outside of the radiation lens 170, thereby performing laser engraving.

[0038] First screws are provided at the four corners of the cover 160, and the cover 160 is connected to the shell through the first screws. The provision of the first screws improves the connection strength between the cover 160 and the shell, thereby improving the safety of the coaxial single-sided rotating mirror device during operation.

[0039] Second screws are provided at the four corners of the control circuit board 182, and the control circuit board 182 is connected to the connecting block 151 through the second screws. The second screws are provided to improve the stability of the connection of the control circuit board 182, thereby improving the safety of the coaxial single-sided rotating mirror device during operation.

[0040] In summary, the coaxial single-sided rotating mirror device provided by the application has a simple overall structure, a small size and saves space.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A coaxial single-sided rotating mirror device, characterized in that: The coaxial single-sided rotating mirror device comprises: The housing comprises a first panel (110) and a second panel (120) arranged opposite to each other at an interval, a third panel (130) and a fourth panel (140) arranged opposite to each other at an interval, and a fifth panel (150) perpendicular to the first panel (110), the second panel (120), the third panel (130), and the fourth panel (140), wherein the first panel (110) is provided with a light inlet hole (111); A cover (160) is disposed opposite to the fifth panel (150) at a distance, and a radiation lens (170) is connected to the cover (160); The rotating motor (180) is arranged inside the housing, and the output end of the rotating motor (180) is connected to a reflector (181).

2. The coaxial single-sided rotating mirror device according to claim 1, characterized in that: The fifth panel (150) is provided with connection blocks (151) at four corners close to the inner side of the shell, a control circuit board (182) is provided on the connection block (151), the rotary motor (180) is connected to the control circuit board (182), and the output end of the rotary motor (180) is arranged toward the light inlet hole (111).

3. The coaxial single-sided rotating mirror device according to claim 1, characterized in that: The reflector (181) is arranged tilted relative to the fifth panel (150), and the reflective surface of the reflector (181) faces the side of the connection end between the first panel (110) and the cover (160).

4. The coaxial single-sided rotating mirror device according to claim 1, characterized in that: The cover (160) is provided with an assembly hole (162), the first surface of the cover (160) is provided with an abutment wall (161) surrounding the assembly hole (162), and the radiation lens (170) is assembled in the assembly hole (162).

5. The coaxial single-sided rotating mirror device according to claim 4, characterized in that: The radiation lens (170) comprises an input end located on one side of the second surface of the cover (160) after assembly, and an output end located on one side of the first surface of the cover (160).

6. The coaxial single-sided rotating mirror device according to claim 5, characterized in that: The radiation lens further comprises a first step portion (171), a second step portion (172) and a third step portion (173) which are connected in order from small to large radial dimensions, the first step portion (171) being provided with a light input lens, the third step portion (173) being provided with a light output lens, the side wall of the first step and the inner side of the abutment wall (161) being provided with threads correspondingly, the radiation lens (170) being threadedly connected to the cover (160), and the abutment wall (161) abutting against the second step portion (172).

7. The coaxial single-sided rotating mirror device according to claim 1, characterized in that: First screws are provided at four corners of the cover (160), and the cover (160) is connected to the housing via the first screws.

8. The coaxial single-sided rotating mirror device according to claim 2, characterized in that: Second screws are provided at four corners of the control circuit board (182), and the control circuit board (182) is connected to the connection block (151) via the second screws.

Images