CN211331816U

CN211331816U - Flying laser marking scanning head

Info

Publication number: CN211331816U
Application number: CN201922426593.9U
Authority: CN
Inventors: 唐东平; 唐西磊; 汪德刚
Original assignee: Wuhan Hanshuang Technology Co ltd
Current assignee: Wuhan Hanshuang Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-25
Anticipated expiration: 2029-12-27

Abstract

The utility model belongs to the technical field of the mark is beaten to laser reaching, concretely relates to flight laser marking scanning head, which comprises a housin, install optical collimator in the casing respectively, X shakes mirror motor and Y mirror motor that shakes, X shakes mirror motor and Y and shakes mirror motor branch and locate optical collimator's both sides the place ahead, the one end of keeping away from optical collimator in the casing still installs triangular prism and scanning field lens respectively, X shakes the output shaft of mirror motor and has eccentric mount pad, install X on the eccentric mount pad and shake the lens, X shakes the lens and is located X one side that X shakes the mirror motor and is close to Y mirror motor that shakes, Y shakes the output shaft of mirror motor and has Y mirror mount pad that shakes, Y shakes and installs Y on the mirror mount pad and shake the lens, the laser that optical collimator sent passes triangular prism and scanning field lens after X shakes lens and Y in proper order. The utility model provides a through shake lens with X shake mirror motor eccentric settings with X with the flight laser marking scanning head of casing width that reduces.

Description

Flying laser marking scanning head

Technical Field

The utility model belongs to the technical field of the mark is beaten to laser reaching, concretely relates to flight laser marking scanning head.

Background

Laser marking is a process of leaving a permanent mark on the surface of a material by evaporation or photo-induced physicochemical changes of the material surface layer using the high peak power density of a focused laser beam. The traditional marking machine comprises a laser, a beam expanding lens group, a galvanometer, a field lens, a workbench and a control computer. When the traditional marking machine is used for processing, a workpiece to be processed needs to be placed on a lifting table, a metal sheet is placed on the workpiece to be processed, the lifting table is finely adjusted until a processing surface is found, and the workpiece to be processed is processed after the metal sheet is removed.

The scanning heads of the existing laser marking machines are all very large and cannot be applied to occasions requiring small volumes of the scanning heads. The light collimator, the X vibration lens and the Y vibration lens of the laser marking scanning head must meet the determined position relation, and the laser can be ensured to be reflected on the X vibration lens and the Y vibration lens in sequence. The center of the X lens that shakes after current X lens installation shakes coincides with the axis of X mirror motor that shakes, then in order to make X mirror motor that shakes dodge laser light path, needs to shake X mirror motor and X and shake the position of lens and set up in the position that leans on the outside for optical collimator, this must cause the increase of laser marking scanning head width.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model aims to provide a laser marking scanning head of flight through with X lens and the X mirror motor eccentric settings that shakes in order to reduce casing width.

The utility model discloses the technical scheme who adopts does:

the utility model provides a flight laser marking scanning head, which comprises a housin, install optical collimator in the casing respectively, X shakes mirror motor and Y mirror motor that shakes, X shakes mirror motor and Y and shakes mirror motor branch and locate optical collimator's both sides the place ahead, the one end of keeping away from optical collimator in the casing still installs triangular prism and scanning field lens respectively, the output shaft that X shakes the mirror motor has eccentric mount pad, install X on the eccentric mount pad and shake the lens, X shakes the lens and is located one side that X shakes the mirror motor and is close to Y and shakes the mirror motor, Y shakes the output shaft of mirror motor and has Y and shake the mirror mount pad, Y shakes and installs Y on the mirror mount pad and shake the lens, the laser that optical collimator sent passes triangular prism and scanning field lens after X shakes lens and Y in proper order.

Preferably, the eccentric mounting base comprises a base, the X-ray vibration lens is mounted on one side of the base close to the Y-ray vibration motor, and a balancing weight is fixed on one side of the base far away from the Y-ray vibration motor.

Preferably, the triangular prism comprises a vertical surface and an inclined surface, the laser reflected by the Y-shaped vibrating mirror passes through the inclined surface side from the vertical surface side of the triangular prism, the inclined surface of the triangular prism is plated with an antireflection film of 1064nm, and the vertical surface of the triangular prism is plated with an antireflection film of 1064 nm.

Preferably, the triangular prism comprises a vertical surface and an inclined surface, the laser reflected by the Y-shaped vibrating mirror passes through the inclined surface side from the vertical surface side of the triangular prism, and the inclined surface of the triangular prism is plated with a 650nm reflecting film; two red light indicators are rotatably connected in the shell, and red light emitted by the two red light indicators is reflected by the inclined plane of the triangular prism and then passes through the scanning field lens.

Preferably, the diameter of the X galvanometer motor and the diameter of the Y galvanometer motor are both 15mm, the diameter of the X galvanometer motor and the diameter of the Y galvanometer motor are electrically parallel and arranged in a staggered mode, and the length of the X galvanometer lens and the length of the Y galvanometer lens are both 7 mm.

Preferably, the diameter of the housing is 40mm and the length of the housing is 200 mm.

The utility model has the advantages that:

1. the utility model discloses an output shaft of X mirror motor that shakes has eccentric mount pad, installs X on the eccentric mount pad and shakes the lens, and X shakes the lens and is located X one side that X shakes the mirror motor and is close to Y mirror motor that shakes, then X shakes the lens and shakes mirror motor eccentric settings for X. X shakes mirror motor and shakes the lens off-centre for X after, the laser energy that fiber collimator sent shines smoothly on the X shakes the lens to X shakes mirror motor and X shake the lens and need not set up to the position that is too far away from the outside for fiber collimator, then the utility model discloses a X shakes the position of mirror motor and is close to Y more for prior art and shakes the mirror motor for laser marking scanning head can design littleer. The utility model discloses a laser marking scanning head size is little, can be applied to the occasion that requires the scanning head volume to be little.

2. One side of the base far away from the Y galvanometer motor is fixed with a balancing weight, and the integral gravity center formed by the eccentric mounting seat and the X galvanometer motor coincides with the axis of the X galvanometer motor, so that the stability of the X galvanometer motor when driving the eccentric mounting seat and the X galvanometer motor to tilt is ensured. The X lens that shakes steadily verts, has guaranteed the accuracy of laser light path, and then laser marking time is more accurate.

3. And a 1064nm antireflection film is plated on the inclined plane of the triangular prism, and a 1064nm antireflection film is plated on the vertical plane of the triangular prism, so that laser can smoothly pass through the vertical plane and the inclined plane of the triangular prism, and accurate focusing of the laser passing through the triangular prism and the scanning field mirror in sequence is ensured.

4. The red lights emitted by the two red light indicators are reflected on the inclined plane of the triangular prism, and the two beams of red lights pass through the scanning field lens and then are accurately focused on one point. The 650nm reflecting film is plated on the inclined plane of the triangular prism, so that accurate reflection of red light is guaranteed. Through adjusting two red light indicators, the focus that two bundles of ruddiness focuses on takes place to remove, and when finding the position that the spark is stronger, the focus of ruddiness coincides with the focus of laser, then the initial position of laser focus can accurately be instructed to red light focus, conveniently beats the mark position of waiting with laser focus accuracy removal when beating, has improved the accuracy of laser marking.

The diameter of the X galvanometer motor and the diameter of the Y galvanometer motor are both 15mm, the diameter of the X galvanometer motor and the Y galvanometer motor are electrically parallel and arranged in a staggered mode, and the lengths of the X galvanometer lens and the Y galvanometer lens are both 7mm, so that the laser path along an accurate light path is guaranteed.

6. Through with X mirror and the X mirror motor eccentric settings that shakes for the X shakes the interval of mirror motor and Y mirror motor and reduces, then can set up the width of casing littleer. Set up to 40mm through the diameter with the casing, set up the length of casing into 200mm, guarantee the utility model discloses can be applied to the occasion that needs less size laser marking machine scanning head.

The advantages of the invention are not limited to the description, but rather are described in greater detail in the detailed description for better understanding.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the eccentric mount.

In the figure: 1-a shell; 2-a fiber collimator; 3-X galvanometer motor; 4-Y galvanometer motor; 5-a triangular prism; 6-a scanning field lens; 7-eccentric mounting base; 8-Y galvanometer mounting seats; 9-red light indicator; 51-vertical plane; 52-bevel; 71-X vibration lens; 72-a base; 73-a counterweight; 81-Y vibrating mirror.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and fig. 2, the flying laser marking scanning head of the present embodiment includes a housing 1, a fiber collimator 2 is respectively installed in the housing 1, an X galvanometer motor 3 and a Y galvanometer motor 4, wherein the X galvanometer motor 3 and the Y galvanometer motor 4 are respectively arranged in front of two sides of an optical fiber collimator 2, one end of a shell 1, far away from the optical fiber collimator 2, is provided with a triangular prism 5 and a scanning field lens 6 respectively, an output shaft of the X galvanometer motor 3 is connected with an eccentric mounting seat 7, an X galvanometer 71 is arranged on the eccentric mounting seat 7, the X galvanometer 71 is positioned on one side, close to the Y galvanometer motor 4, of the X galvanometer motor 3, an output shaft of the Y galvanometer motor 4 is connected with a Y galvanometer mounting seat 8, a Y galvanometer 81 is arranged on the Y galvanometer mounting seat 8, and laser emitted by the optical fiber collimator 2 sequentially passes through the X galvanometer 71 and the Y galvanometer 81 and then sequentially passes through the triangular prism 5 and the scanning field.

The utility model discloses an output shaft of X mirror motor 3 that shakes has eccentric mount pad 7, installs X on the eccentric mount pad 7 and shakes lens 71, and X shakes lens 71 and is located X mirror motor 3 that shakes and is close to one side that Y shakes mirror motor 4, then X shakes lens 71 and shakes mirror motor 3 eccentric settings for X. X shakes mirror motor 3 and shakes behind the lens 71 off-centre for X, and the laser that fiber collimator 2 sent can shine on X shakes lens 71 smoothly to X shakes mirror motor 3 and X shakes lens 71 and need not set up to the position that is too far away for fiber collimator 2, then the utility model discloses a X shakes mirror motor 3's position and is close to Y more for prior art and shakes mirror motor 4 for laser marking scanning head can design littleer. The utility model discloses a laser marking scanning head size is little, can be applied to the occasion that requires the scanning head volume to be little.

Furthermore, the eccentric mounting base 7 includes a base 72, the X-ray mirror 71 is mounted on a side of the base 72 close to the Y-ray mirror motor 4, and a weight 73 is fixed on a side of the base 72 far from the Y-ray mirror motor 4. One side of the base 72, which is far away from the Y galvanometer motor 4, is fixed with a balancing weight 73, so that the center of gravity of the whole body formed by the eccentric mounting seat 7 and the X galvanometer motor 71 coincides with the axis of the X galvanometer motor 3, and the stability of the X galvanometer motor 3 when driving the eccentric mounting seat 7 and the X galvanometer motor 71 to tilt is ensured. The X-vibration lens 71 can stably tilt, the accuracy of a laser light path is guaranteed, and laser marking is more accurate.

Furthermore, the triangular prism 5 includes a vertical surface 51 and an inclined surface 52, the laser reflected by the Y-cube 81 passes through the inclined surface 52 from the vertical surface 51 side of the triangular prism 5, the inclined surface 52 of the triangular prism 5 is plated with an antireflection film of 1064nm, and the vertical surface 51 of the triangular prism 5 is plated with an antireflection film of 1064 nm. A1064 nm antireflection film is plated on the inclined plane 52 of the triangular prism 5, and a 1064nm antireflection film is plated on the vertical plane 51 of the triangular prism 5, so that laser can smoothly pass through the vertical plane 51 and the inclined plane 52 of the triangular prism 5, and accurate focusing of the laser passing through the triangular prism 5 and the scanning field lens 6 in sequence is ensured.

Furthermore, the triangular prism 5 comprises a vertical surface 51 and an inclined surface 52, the laser reflected by the Y-shaped vibrating mirror 81 passes through the inclined surface 52 from the vertical surface 51 side of the triangular prism 5, and the inclined surface 52 of the triangular prism 5 is plated with a 650nm reflecting film; two red light indicators 9 are rotatably connected in the shell 1, and red light emitted by the two red light indicators 9 is reflected by an inclined plane 52 of the triangular prism 5 and then passes through the scanning field lens 6.

The red lights emitted by the two red light indicators 9 are reflected on the inclined plane 52 of the triangular prism 5, and the two red lights pass through the scanning field lens 6 and then are focused on one point accurately. The inclined plane 52 of the triangular prism 5 is plated with a 650nm reflecting film, so that the accurate reflection of red light is ensured. Through adjusting two red light indicators 9, then the focus of two bundles of ruddiness focuses on takes place to remove, and when finding the position that the spark is stronger, the ruddiness focus coincides with the focus of laser, then the initial position of laser focus can accurately be instructed to red light focus, conveniently beats the mark position of waiting with laser focus accuracy removal when beating, has improved the accuracy of laser marking.

Furthermore, the diameter of the X galvanometer motor 3 and the diameter of the Y galvanometer motor 4 are both 15mm, the diameter of the X galvanometer motor 3 and the Y galvanometer are electrically parallel and arranged in a staggered mode, and the length of the X galvanometer 71 and the length of the Y galvanometer 81 are both 7 mm.

The diameter of the X galvanometer motor 3 and the diameter of the Y galvanometer motor 4 are both 15mm, the diameter of the X galvanometer motor 3 and the Y galvanometer are electrically parallel and arranged in a staggered mode, and the lengths of the X galvanometer 71 and the Y galvanometer 81 are both 7mm, so that the laser is guaranteed to travel along an accurate light path.

Further, the diameter of the housing 1 is 40mm, and the length of the housing 1 is 200 mm. By eccentrically disposing the X galvanometer plate 71 and the X galvanometer motor 3, the distance between the X galvanometer motor 3 and the Y galvanometer motor 4 is reduced, and the width of the housing 1 can be set smaller. Set up to 40mm through the diameter with casing 1, set up casing 1's length to 200mm, guarantee the utility model discloses can be applied to the occasion that needs less size laser marking machine scanning head.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a flight laser marking scanning head which characterized in that: the optical fiber scanning device comprises a shell (1), an optical fiber collimator (2) is installed in the shell (1) respectively, an X vibration mirror motor (3) and a Y vibration mirror motor (4) are arranged in front of two sides of the optical fiber collimator (2) respectively, a triangular prism (5) and a scanning field lens (6) are further installed at one end, far away from the optical fiber collimator (2), in the shell (1), of the triangular prism (5) and the scanning field lens (6) respectively, an output shaft of the X vibration mirror motor (3) is connected with an eccentric mounting seat (7), an X vibration mirror (71) is installed on the eccentric mounting seat (7), the X vibration mirror (71) is located at one side, close to the Y vibration mirror motor (4), of the X vibration mirror motor (3), an output shaft of the Y vibration mirror motor (4) is connected with a Y vibration mirror mounting seat (8), a Y vibration mirror (81) is installed on the Y vibration mirror mounting seat (8), laser emitted by the optical fiber collimator (2) sequentially passes through the X vibration mirror (5) and the Y vibration mirror (81) and then sequentially passes through A field lens (6).

2. The flying laser marking scanner head of claim 1, wherein: the eccentric mounting seat (7) comprises a base (72), an X-vibration lens (71) is mounted on one side, close to the Y-vibration lens motor (4), of the base (72), and a balancing weight (73) is fixed on one side, far away from the Y-vibration lens motor (4), of the base (72).

3. The flying laser marking scanner head of claim 1, wherein: the triangular prism (5) comprises a vertical surface (51) and an inclined surface (52), laser reflected by the Y-shaped vibrating lens (81) penetrates through the inclined surface (52) side from the vertical surface (51) side of the triangular prism (5), a 1064nm antireflection film is plated on the inclined surface (52) of the triangular prism (5), and a 1064nm antireflection film is plated on the vertical surface (51) of the triangular prism (5).

4. The flying laser marking scanner head of claim 1, wherein: the triangular prism (5) comprises a vertical surface (51) and an inclined surface (52), laser reflected by the Y-shaped vibrating lens (81) penetrates through the inclined surface (52) side from the vertical surface (51) side of the triangular prism (5), and a 650nm reflecting film is plated on the inclined surface (52) of the triangular prism (5); two red light indicators (9) are rotatably connected in the shell (1), and red light emitted by the two red light indicators (9) passes through the scanning field lens (6) after being reflected by an inclined plane (52) of the triangular prism (5).

5. The flying laser marking scanner head of claim 1, wherein: the diameter of the X galvanometer motor (3) and the diameter of the Y galvanometer motor (4) are both 15mm, the diameter of the X galvanometer motor (3) and the Y galvanometer are electrically parallel and staggered, and the length of the X galvanometer (71) and the length of the Y galvanometer (81) are both 7 mm.

6. A flying laser marking scanning head as claimed in any one of claims 1 to 5, wherein: the diameter of the shell (1) is 40mm, and the length of the shell (1) is 200 mm.