阅读说明：本技术 一种激光打标设备 (Laser marking equipment ) 是由 李金平 曹洪涛 刘亮 何起健 杨柯 邓云强 廖文 吕启涛 高云峰 于 2019-10-28 设计创作，主要内容包括：本发明提供了一种激光打标设备,包括：机柜组件、激光器、分光腔以及至少两个子光路系统；机柜组件包括下机柜和与下机柜配合组装的上机柜,下机柜上固定有支撑立架,激光器、分光腔以及子光路系统依次连接并设置在支撑立架上；分光腔开设有入光口和至少两个出光口,分光腔中对应入光口设置有分光镜；激光器与入光口之间设置有主折光腔,激光器发出的激光光束经分光镜分光后形成至少两个子光束,子光束分别进入相应的子光路系统,子光路系统包括依次连接的扩束装置、振镜装置以及镜头；上机柜上还固定有治具安装盘,治具安装盘位于镜头的下方。本技术方案解决了现有技术中的单个激光器一次出光只能对一个产品进行打标引起的打标效率低的问题。(The invention provides a laser marking device, comprising: the device comprises a cabinet component, a laser, a light splitting cavity and at least two sub-optical path systems; the cabinet component comprises a lower cabinet and an upper cabinet matched and assembled with the lower cabinet, a supporting vertical frame is fixed on the lower cabinet, and the laser, the light splitting cavity and the sub-optical path system are sequentially connected and arranged on the supporting vertical frame; the light splitting cavity is provided with a light inlet and at least two light outlets, and a light splitter is arranged in the light splitting cavity corresponding to the light inlet; a main beam-bending cavity is arranged between the laser and the light inlet, laser beams emitted by the laser are split by the beam splitter to form at least two sub-beams, the sub-beams respectively enter corresponding sub-optical path systems, and each sub-optical path system comprises a beam expanding device, a galvanometer device and a lens which are sequentially connected; the upper cabinet is also fixed with a jig mounting disc which is positioned below the lens. The technical scheme solves the problem that the marking efficiency is low because a single laser in the prior art can only mark one product by emitting light once.)

1. A laser marking apparatus, comprising: the device comprises a cabinet component, a laser (21), a light splitting cavity (30) and at least two sub-optical path systems;

the cabinet assembly comprises a lower cabinet (12) and an upper cabinet (11) which is matched and assembled with the lower cabinet (12), a supporting vertical frame is fixed on the lower cabinet (12), and the laser (21), the light splitting cavity (30) and the sub-optical path system are sequentially connected and arranged on the supporting vertical frame; the light splitting cavity (30) is provided with a light inlet and at least two light outlets (31), and a light splitter (32) is arranged in the light splitting cavity (30) corresponding to the light inlet; a main beam-bending cavity (22) is arranged between the laser (21) and the light inlet, a laser beam emitted by the laser (21) is split by the beam splitter (32) to form at least two sub-beams, the at least two sub-beams enter the corresponding sub-optical path systems respectively, and each sub-optical path system comprises a beam expanding device (41), a vibrating mirror device (42) and a lens (43) which are connected in sequence; a jig mounting disc (61) is further fixed on the upper cabinet (11), and the jig mounting disc (61) is located below the lens (43).

2. The laser marking device according to claim 1, wherein the supporting stand comprises two supporting vertical plates (51), a bedplate (52) and a mounting plate (53), wherein the two supporting vertical plates (51) are oppositely arranged and fixed on the lower cabinet (12), the bedplate (52) is fixedly connected to the upper ends of the two supporting vertical plates (51), and one end of the mounting plate (53) is fixedly connected with the bedplate (52); the laser (21) and the light splitting cavity (30) are arranged on the platen (52) in parallel, the number of the light outlets (31) is two, the two light outlets (31) are arranged on two adjacent side surfaces of the light splitting cavity (30), the number of the sub optical path systems is two, the two sub optical path systems are fixed on the mounting plate (53) and respectively correspond to the two light outlets (31) one by one, and the sub optical path system further comprises a first sub light folding cavity (44) and a second sub light folding cavity (45) which are sequentially arranged between the light outlets (31) and the beam expanding device (41); the first sub-refraction cavity (44) is connected with the second sub-refraction cavity (45) through a telescopic cylinder (46).

3. Laser marking device according to claim 2, characterized in that the sub-optical path system further comprises a laser shutter (47), the laser shutter (47) being arranged between the first sub-folding cavity (44) and the second sub-folding cavity (45).

4. Laser marking device according to claim 1, characterized in that; the supporting vertical frame comprises two supporting vertical plates (51), a bedplate (52) and a mounting plate (53), wherein the two supporting vertical plates (51) are oppositely arranged and fixed on the lower cabinet (12), the bedplate (52) is fixedly connected to the upper ends of the two supporting vertical plates (51), and one end of the mounting plate (53) is connected with the bedplate (52); the laser (21) and the light splitting cavity (30) are arranged on the bedplate (52) in parallel, the number of the light outlets (31) is two, and the two light outlets (31) are arranged on the bottom surface of the light splitting cavity (30); the number of the sub optical path systems is two, and the two sub optical path systems are arranged on the mounting plate (53) and respectively correspond to the two light outlets (31) one by one; the sub-optical path system further comprises two reflecting devices (48) and a second sub-refraction cavity (45), the two reflecting devices (48) are arranged in the light splitting cavity (30), and the two reflecting devices (48) are arranged perpendicularly to each other; the second sub-refraction cavity (45) is arranged between the light outlet (31) and the beam expanding device (41), and a telescopic cylinder (46) is arranged between the second sub-refraction cavity (45) and the light outlet (31).

5. Laser marking device according to claim 4, characterized in that the sub-optical path system further comprises a laser shutter (47), the laser shutter (47) being arranged in the cavity (30) and the laser shutter (47) being located between the two reflecting means (48).

6. The laser marking device according to claim 3 or 5, wherein the laser marking device further comprises a focusing mechanism, the focusing mechanism comprises a guide rail (71) and a sliding block (72), the mounting plate (53) is one, the guide rail (71) is fixed on the mounting plate (53), the sliding block (72) is connected with the two second sub-refraction cavities (45) through a connecting plate (73), the sliding block (72) slides on the guide rail (71), and scale marks (711) are further arranged on the guide rail (71).

7. Laser marking device according to claim 3 or 5, characterized in that the laser marking device further comprises a focusing mechanism comprising a lead screw (74), a lead screw nut (75), a guide rail (71) and a slide (72); the mounting plate (53) is one, the guide rail (71) is fixed on the mounting plate (53), the sliding block (72) is connected with the two second sub-refraction cavities (45) through a connecting plate (73), the sliding block (72) slides on the guide rail (71), and the guide rail (71) is further provided with scale marks (711); the screw rod (74) is arranged on the mounting plate (53) and located on one side of the guide rail (71), the screw rod (74) is arranged on the mounting plate (53) through a screw rod mounting seat (741), the screw rod nut (75) is matched with the screw rod (74), and a connecting block (77) is fixed on the screw rod nut (75); the connecting block (77) is fixed with the connecting plate (73).

8. The laser marking device according to claim 3 or 5, further comprising a focusing mechanism, wherein the focusing mechanism comprises two groups of focusing assemblies, the number of the mounting plates (53) is two, one group of focusing assemblies is arranged on each mounting plate (53), the focusing assemblies comprise a lead screw (74), a lead screw nut (75), a guide rail (71) and a slide block (72), the lead screw (74) is arranged on the mounting plate (53) through a lead screw mounting seat (741), the lead screw nut (75) is matched with the lead screw (74), and a connecting block (77) is fixed on the lead screw nut (75); the guide rail (71) is arranged on the mounting plate (53) and located on one side of the screw rod (74), the sliding block (72) is connected with the second sub-refraction cavity (45) through a movable plate (76), and the movable plate (76) is fixed with the connecting block (77).

9. The laser marking device as claimed in claim 8, wherein the jig mounting disc (61) is equally divided into a first marking area (611) and a second marking area (612), the first marking area (611) and the second marking area (612) are both provided with two jig mounting positions, the lower cabinet (12) is provided with a driving motor (62), and a power output shaft of the driving motor (62) is connected with the jig mounting disc (61) to enable the first marking area (611) and the second marking area (612) to be rotationally switched to correspond to the lens (43).

10. The laser marking device according to claim 9, wherein a photoelectric sensor (63) is further disposed on the lower cabinet (12), and the photoelectric sensor (63) is used for sensing a jig on the jig mounting position.

Technical Field

The invention relates to the technical field of laser marking, in particular to laser marking equipment.

Background

The laser from the laser generally does not directly act on the product, and usually is acted on the product through a series of processes such as beam expanding, reflecting, light splitting and the like, and currently, only one product can be marked through the light emitted by a single laser, so that the marking efficiency is low; two lasers are needed for marking two products, but the cost of the lasers is high, the manufacturing cost of the marking equipment formed by the lasers is quite high, the input cost of a client is greatly increased, and the popularization of the market is not facilitated.

Disclosure of Invention

The invention mainly aims to provide laser marking equipment to solve the problem that in the prior art, a single laser can only mark one product at a time, so that the marking efficiency is low.

In order to achieve the above object, the present invention provides a laser marking apparatus comprising: the device comprises a cabinet component, a laser, a light splitting cavity and at least two sub-optical path systems; the cabinet component comprises a lower cabinet and an upper cabinet matched and assembled with the lower cabinet, a supporting vertical frame is fixed on the lower cabinet, and the laser, the light splitting cavity and the sub-optical path system are sequentially connected and arranged on the supporting vertical frame; the light splitting cavity is provided with a light inlet and at least two light outlets, and a light splitter is arranged in the light splitting cavity corresponding to the light inlet; a main beam-bending cavity is arranged between the laser and the light inlet, a laser beam emitted by the laser is split by the beam splitter to form at least two sub-beams, the at least two sub-beams respectively enter the corresponding sub-optical path systems, and each sub-optical path system comprises a beam expanding device, a galvanometer device and a lens which are sequentially connected; and the upper cabinet is also fixedly provided with a jig mounting disc which is positioned below the lens.

Furthermore, the supporting vertical frame comprises two supporting vertical plates, a bedplate and a mounting plate, wherein the two supporting vertical plates are oppositely arranged and fixed on the lower cabinet, the bedplate is fixedly connected to the upper ends of the two supporting vertical plates, and one end of the mounting plate is fixedly connected with the bedplate; the laser and the beam splitting cavity are arranged on the bedplate in parallel, the number of the light outlets is two, the two light outlets are arranged on two adjacent side surfaces of the beam splitting cavity, the number of the sub optical path systems is two, the two sub optical path systems are fixed on the mounting plate and respectively correspond to the two light outlets one by one, and the sub optical path system further comprises a first sub light folding cavity and a second sub light folding cavity which are sequentially arranged between the light outlets and the beam expanding device; the first sub refraction cavity is connected with the second sub refraction cavity through a telescopic cylinder.

Further, the sub-optical path system further comprises a laser shutter, and the laser shutter is arranged between the first sub-refraction cavity and the second sub-refraction cavity.

Further, the method comprises the following steps of; the supporting vertical frame comprises two supporting vertical plates, a bedplate and a mounting plate, wherein the two supporting vertical plates are oppositely arranged and fixed on the lower cabinet, the bedplate is fixedly connected to the upper ends of the two supporting vertical plates, and one end of the mounting plate is connected with the bedplate; the laser and the light splitting cavity are arranged on the bedplate in parallel, the number of the light outlets is two, and the two light outlets are arranged on the bottom surface of the light splitting cavity; the two sub optical path systems are arranged on the mounting plate and respectively correspond to the two light outlets one by one; the sub-optical path system also comprises two reflecting devices and a second sub-refraction cavity, the two reflecting devices are arranged in the light splitting cavity, and the two reflecting devices are arranged vertically to each other; the second sub refraction cavity is arranged between the light outlet and the beam expanding device, and a telescopic cylinder is arranged between the second sub refraction cavity and the light outlet.

Further, the sub-optical path system further comprises a laser shutter, the laser shutter is arranged in the light splitting cavity, and the laser shutter is located between the two reflecting devices.

Further, laser marking equipment still includes focusing mechanism, focusing mechanism includes guide rail and slider, the mounting panel is one, the guide rail is fixed on the mounting panel, the slider passes through the connecting plate and two the sub-refraction chamber of second is connected, the slider is in slide on the guide rail, still be provided with the scale mark on the guide rail.

Furthermore, the laser marking equipment also comprises a focusing mechanism, wherein the focusing mechanism comprises a screw rod, a screw rod nut, a guide rail and a slide block; the mounting plate is one, the guide rail is fixed on the mounting plate, the sliding block is connected with the two second sub-refraction cavities through a connecting plate, the sliding block slides on the guide rail, and the guide rail is also provided with scale marks; the screw rod is arranged on the mounting plate and positioned on one side of the guide rail, the screw rod is arranged on the mounting plate through a screw rod mounting seat, the screw rod nut is matched with the screw rod, and a connecting block is fixed on the screw rod nut; the connecting block is fixed with the connecting plate.

The laser marking device further comprises a focusing mechanism, the focusing mechanism comprises two groups of focusing assemblies, two mounting plates are arranged, one group of focusing assembly is arranged on each mounting plate, each focusing assembly comprises a lead screw, a lead screw nut, a guide rail and a slide block, the lead screw is arranged on the mounting plates through a lead screw mounting seat, the lead screw nut is matched with the lead screw, and a connecting block is fixed on the lead screw nut; the guide rail sets up on the mounting panel and be located one side of lead screw, the slider through the fly leaf with the sub-refraction chamber of second is connected, the fly leaf with the connecting block is fixed.

Further, the jig mounting disc is divided into a first marking area and a second marking area in an equivalent mode, the first marking area and the second marking area are provided with two jig mounting positions, the lower cabinet is provided with a driving motor, and a power output shaft of the driving motor is connected with the jig mounting disc, so that the first marking area and the second marking area are switched in a rotating mode to correspond to the lens.

Further, still be provided with photoelectric sensor on the lower rack, photoelectric sensor is used for responding to the tool on the tool installation position.

Compared with the prior art, the invention has the beneficial effects that: the laser, the light splitting cavity and the sub-optical path systems are arranged on the supporting force frame, the number of the sub-optical path systems is at least two, the sub-optical path systems comprise beam expanding devices, mirror vibrating devices and lenses, laser beams emitted by the laser are folded into the light splitting cavity from a light inlet after being acted by the main refraction cavity, the laser beams are split by the beam splitter to form at least two sub-beams, the sub-beams respectively enter the corresponding sub-optical path systems and are vertically and downwards emitted from the lenses through the beam expanding devices and the mirror vibrating devices, a jig mounting disc is arranged below the lenses, at least two jigs are placed on the jig mounting disc and are in one-to-one correspondence with the lenses, and the sub-beams emitted by the lenses are marked. According to the technical scheme, the laser beam is divided into at least two sub-beams through the light splitting cavity, so that the problem that marking efficiency is low due to the fact that a single laser in the prior art can only mark one product through one-time light emitting is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic overall configuration diagram of a first embodiment of a laser marking apparatus of the present invention;

FIG. 2 is a schematic view of a second embodiment of a laser marking apparatus according to the present invention;

FIG. 3 is a schematic view of a second embodiment of a laser marking apparatus according to the present invention;

FIG. 4 is a schematic view of a third embodiment of a laser marking apparatus according to the present invention;

FIG. 5 is a schematic view of a portion of a first embodiment of a laser marking apparatus of the present invention;

FIG. 6 is a schematic partial structural view of a fifth embodiment of a laser marking apparatus of the present invention;

fig. 7 is a partial schematic structural diagram of a first embodiment of a laser marking apparatus of the present invention.

Wherein the figures include the following reference numerals:

11. an upper cabinet; 111. a three-color lamp; 112. a width display screen; 113. a keyboard; 114. a mouse; 115. An operation button; 12. a lower cabinet; 121. a light curtain; 122. a start button; 21. a laser; 22. a main refractive cavity; 30. a light splitting cavity; 31. a light outlet; 32. a beam splitter; 33. a beam expander; 34. glass slide; 41. A beam expanding device; 42. a mirror-vibrating device; 43. a lens; 44. a first sub-refracting cavity; 45. a second sub-cavity; 46. a telescopic cylinder; 461. a seal member; 47. a laser shutter; 48. a reflecting device; 49. a red light preview device; 51. supporting a vertical plate; 52. a platen; 53. mounting a plate; 54. a transverse plate; 61. a jig mounting plate; 611. A first marking area; 612. a second marking region; 62. a drive motor; 63. a photosensor; 71. a guide rail; 711. scale lines; 72. a slider; 73. a connecting plate; 74. a screw rod; 741. a screw rod mounting seat; 75. A feed screw nut; 76. a movable plate; 77. connecting blocks; 78. an adjusting handle; 79. a locking block; 80. dust absorption adapter sleeve.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Now, an exemplary embodiment according to the present application, embodiment one, will be described in detail with reference to fig. 1, 5 and 7: a laser marking device comprises a cabinet component, a laser 21, a light splitting cavity 30 and at least two sub-optical path systems; the cabinet assembly comprises a lower cabinet 12 and an upper cabinet 11 matched and assembled with the lower cabinet 12, a supporting vertical frame is fixed on the lower cabinet 12, and the laser 21, the light splitting cavity 30 and the sub-optical path system are sequentially connected and arranged on the supporting vertical frame; the light splitting cavity 30 is provided with a light inlet and at least two light outlets 31, and a light splitter 32 is arranged in the light splitting cavity 30 corresponding to the light inlet; a main refraction cavity 22 is arranged between the laser 21 and the light inlet, a laser beam emitted by the laser 21 is split by the beam splitter 32 to form at least two sub-beams, the at least two sub-beams enter corresponding sub-optical path systems respectively, and each sub-optical path system comprises a beam expanding device 41, a galvanometer device 42 and a lens 43 which are connected in sequence; a jig mounting plate 61 is further fixed to the upper cabinet 11, and the jig mounting plate 61 is located below the lens 43.

In the invention, a laser 21, a light splitting cavity 30 and sub-optical path systems are arranged on a supporting force frame, at least two sub-optical path systems are arranged, each sub-optical path system comprises a beam expanding device 41, a vibrating mirror device 42 and a lens 43, a red light preview device 49 is arranged between the beam expanding device 41 and the vibrating mirror device 42, a laser beam emitted by the laser 21 is reflected into the light splitting cavity 30 from a light inlet after being acted by a main light folding cavity 22, a beam expanding mirror 33 and a glass slide 34 are also arranged between the light inlet and the light splitting mirror 32, as shown in figure 7, the laser beam is split into at least two sub-beams by the light splitting mirror 32 after sequentially passing through the beam expanding mirror 33 and the glass slide 34, the sub-beams respectively enter the corresponding sub-optical path systems and are vertically emitted downwards from the lens 43 under the action of the beam expanding device 41 and the vibrating mirror device 42, a jig mounting plate 61 is arranged below the lens 43, at least two jig mounting plates, and is in one-to-one correspondence with the lens 43, and the sub-beams emitted by the lens 43 mark. According to the power of the laser 21, the beam splitter 32 is used for splitting, and the product can be marked by dividing into a plurality of sub-beams, so that the marking efficiency is greatly improved, the cost is reduced, and the performance of the laser 21 can be efficiently utilized.

As shown in fig. 5, the supporting vertical frame includes two supporting vertical plates 51, a platen 52 and a mounting plate 53, the two supporting vertical plates 51 are oppositely disposed and fixed on the lower cabinet 12, the platen 52 is fixedly connected to the upper ends of the two supporting vertical plates 51, one end of the mounting plate 53 is fixedly connected to the platen 52, and the laser 21 and the light splitting chamber 30 are disposed on the platen 52 in parallel. In this structure, the laser 21 and the splitting cavity 30 are located on the same base plane, and the size of the primary refractive cavity 22 can be reduced to a greater extent. In the present technical solution, there are two light outlets 31 on the light splitting cavity 30, that is, the laser beam is split by the beam splitter 32 to form two sub-beams, and the two light outlets 31 are disposed on two adjacent side surfaces of the light splitting cavity 30; the number of the sub-optical path systems is two, the two sub-optical path systems are fixed on the mounting plate 53 and respectively correspond to the two light outlets 31 one by one, and the sub-optical path system further comprises a first sub-refraction cavity 44 and a second sub-refraction cavity 45 which are sequentially arranged between the light outlets 31 and the beam expanding device 41; the first sub refraction cavity 44 is connected with the second sub refraction cavity 45 through a telescopic cylinder 46, and sealing members 461 are further arranged at two ends of the telescopic cylinder 46 to ensure the stability of the sub light beams in the light path system; further, a telescopic cylinder 46 can be arranged between the first sub refraction cavity 44 and the light outlet 31 to eliminate the installation gap; the first sub-refraction cavity 44 adjusts the sub-beams to be vertically downward, and the second sub-refraction cavity 45 adjusts the horizontal direction of the sub-beams to be horizontally emitted.

Further, the sub-optical path system further comprises a laser shutter 47, and the laser shutter 47 is disposed between the first sub-refractive cavity 44 and the second sub-refractive cavity 45. A laser shutter 47 is arranged in the optical path system, so that the two sub-optical path systems can mark with different contents or different contents; when the marking contents of the two products to be marked are the same, the optical shutters in the two sub-optical path systems do not block light, and the sub-beams in the two sub-optical path systems mark the two products to be marked simultaneously; when the marking contents of two products to be marked are different, the laser optical gate 47 in one sub-optical path system works to block the sub-beam from passing through, and the laser optical gate 47 in the other sub-optical path system does not block light, so that the products are marked.

Referring to fig. 1, the front panel of the upper cabinet 11 is provided with an intelligent control component such as a width display screen 112, a keyboard 113, a mouse 114 and the like, and an operation button 115; the top of the upper cabinet 11 is provided with a three-color lamp 111, so that an operator can observe the working state of the laser marking machine at a distance; the lower cabinet 12 is provided with a light curtain 121 and a start button 122, the light curtain 121 is convenient for operators to observe marking conditions, and the start button 122 really ensures the safety of the operators; the lower cabinet 12 is further provided with a dust collection adapter cover 80, and the dust collection adapter cover 80 is divided into two parts which are respectively provided with a trunk tube for separately collecting dust of two marked products.