CN214094176U

CN214094176U - Light source assembly capable of eliminating irradiation shadow

Info

Publication number: CN214094176U
Application number: CN202120384396.XU
Authority: CN
Inventors: 冯凤鸣; 张志宇; 黎雷
Original assignee: Chengdu Mrj Laser Technology Co ltd
Current assignee: Chengdu Mrj Laser Technology Co ltd
Priority date: 2021-02-19
Filing date: 2021-02-19
Publication date: 2021-08-31
Anticipated expiration: 2031-02-19

Abstract

The utility model discloses a light source component capable of eliminating irradiation shadows, which comprises a mounting plate, wherein a marking laser penetration hole is arranged on the mounting plate; the light source group comprises a transverse light source group and a longitudinal light source group, the transverse light source group comprises two light sources, the two light sources are correspondingly arranged on two sides of the mounting plate, the longitudinal light source group comprises two light sources, the two light sources are symmetrically arranged at two ends of the transverse light source group, and light emitted by all the light sources is parallel light; the angle adjusting component is arranged at the end part of the diffuse reflection light source to adjust the light emitting angle of the light source. The light source that this light source subassembly provided is shadowless light source and illumination distribution even, avoids bringing the influence for vision positioning accuracy.

Description

Light source assembly capable of eliminating irradiation shadow

Technical Field

The utility model belongs to the technical field of lighting source, concretely relates to can eliminate light source subassembly of shining shadow.

Background

The laser vision marking machine has the core function of the CCD vision positioning function, can automatically identify the product characteristics to carry out laser marking, realizes quick positioning, can also carry out high-precision marking on small articles, does not need to reuse a clamp, reduces manual participation and improves the working efficiency. The machine replaces human eyes to measure and judge, and the machine vision system can greatly improve the flexibility and the automation degree of production and improve the production efficiency.

The laser visual marking machine needs to be provided with an illuminating device, and the illuminating mode of the existing laser visual marking machine usually adopts a mode of additional light or an annular light source. However, the two illumination modes often cause the problems of uneven illumination distribution or illumination shadow, thereby affecting and reducing the accuracy of visual positioning.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current light source maldistribution perhaps has illumination shadow to cause the visual positioning precision to hang down, the utility model provides a can eliminate the light source subassembly that shines the shadow, the light source that its provided is shadowless light source and illumination distribution even, avoids bringing the influence for the visual positioning precision.

The utility model discloses a following technical scheme realizes:

a light source assembly that eliminates illumination shadows, comprising:

the mounting plate is provided with a marking laser penetrating hole;

the light source group comprises a transverse light source group and a longitudinal light source group, the transverse light source group comprises two light sources, the two light sources are correspondingly arranged on two sides of the mounting plate, the longitudinal light source group comprises two light sources, the two light sources are symmetrically arranged at two ends of the transverse light source group, and light emitted by all the light sources is parallel light;

the angle adjusting component is arranged at the end part of the light source to adjust the light emitting angle of the light source.

The light source subassembly of this scheme can regard as the additional structure of visual positioning marking machine, and it is installed on visual positioning marking machine, and the light source group includes 4 light sources that can send the parallel light, and 4 light sources arrange respectively around the mounting panel, and the center point that mark laser passed and beaten mark laser through hole and arrange the light source group in puts, and the light source group shines central zone from four direction simultaneous symmetries, and illumination distribution is even, and can eliminate the illumination shadow. The angle adjusting component adjusts the angle of each light source, and symmetrical distribution arrangement is achieved, so that shadows are eliminated.

Preferably, the light source includes:

the lamp body comprises a diffuse reflection plate which enables light to be emitted in parallel;

and the lamp bead group is arranged in the lamp body.

Furthermore, the lamp body comprises a mounting surface for fixing the lamp bead group and reflecting surfaces arranged on the periphery of the mounting surface, and the diffuse reflection plate is arranged in parallel with the mounting surface.

Preferably, in order to realize the light source angle modulation, the angle modulation subassembly includes angle modulation board, is used for the second bolt that is used for the rotatable first bolt of fixing on the angle modulation board adjusting surface of light source tip and is used for adjusting the light source angle of giving out light, be provided with the angle modulation hole on the angle modulation board adjusting surface, the second bolt is arranged in the angle modulation hole and can be followed the angle modulation hole and slide.

Furthermore, the angle adjusting hole is arc-shaped, and the first bolt is arranged at the center of a circle where the angle adjusting hole is located.

Further, the radian of the angle adjusting hole is larger than 50 degrees and smaller than 70 degrees.

Furthermore, the angle adjusting plate is provided with two adjusting surfaces which are perpendicular to each other.

Preferably, in order to facilitate the installation of the light source assembly, an installation seat is fixed to the installation plate.

Furthermore, a vertical mounting hole is formed in the mounting seat.

Compared with the prior art, the utility model, following advantage and beneficial effect have at least:

the light source subassembly of this scheme can regard as visual positioning marking machine's additional structure, and the light source group includes 4 light sources that can send the parallel light, and 4 light sources arrange respectively around the mounting panel, and the center point that marks the mark laser penetration hole and arrange the light source group in is put to the marking laser, and the light source group is from four directions symmetry simultaneously and shines central zone, and illumination distribution is even, and can eliminate the illumination shadow.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 front view of the present device.

Fig. 2 is a right side view of the device.

Fig. 3 is a bottom view of the device.

Fig. 4 is a top view of the present device.

Fig. 5 is a schematic structural diagram of the light source of the device.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative designs, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

Example 1

The present embodiment discloses a light source assembly capable of eliminating an illumination shadow, as shown in fig. 1, including a mounting plate 1, a light source group, and an angle adjustment assembly. The light source group is at least provided with one group, and a plurality of groups can be arranged according to the situation. The mounting plate 1 is provided with a marking laser penetrating hole 11, and the marking laser 6 penetrates through the marking laser penetrating hole 11 to irradiate to a laser marking area H. Preferably, the marking laser penetration hole 11 may be square, or may be round, diamond, or other shapes, preferably square, to facilitate installation of the light source.

The single light source group comprises a transverse light source group 2 and a longitudinal light source group 3. Horizontal light source group and vertical light source group all include two light sources that can send parallel light, and 4 light sources distribute in the four sides of a rectangle, and horizontal light source group 2 includes two light sources and two light source correspondences and sets up in mounting panel 1 both sides promptly, and vertical light source group 3 includes two light sources and this two light source symmetries sets up at horizontal light source group 2 both ends. The transverse light source group and the longitudinal light source group are perpendicular to each other, so that light rays emitted by the transverse light source group after installation use the marking laser center line as a symmetry axis, and light rays emitted by the longitudinal light source group also use the marking laser center line as a symmetry axis.

The angle adjusting component is arranged at the end part of the light source to adjust the light emitting angle of the light source so as to adjust the light emitting angles of the two light sources of the transverse light source group and the longitudinal light source group.

When the laser marking device is installed, the laser marking area H is arranged below the central position of the light source group, the marking area is irradiated in four directions simultaneously, each light source is adjusted to be symmetrically irradiated by the marking laser, illumination shadows generated due to uneven irradiation of the light sources are eliminated, and the visual positioning precision is improved.

Example 2

Based on the principle of the foregoing embodiment, this embodiment discloses a specific implementation manner, and referring to fig. 1 to 4, the light source assembly is used as an accessory structure of the visual positioning marking machine, a mounting base 12 is arranged on the mounting plate 1, and the mounting base 12 is perpendicular to the mounting plate 1, so as to facilitate the installation of the light source assembly. A vertical mounting hole 13 is formed in the mounting seat, the mounting seat is fixed through a bolt, and the fixing position of the mounting seat is adjustable.

Specifically, angle adjusting assembly includes angle adjusting plate 51, first bolt 52, second bolt 53, angle adjusting plate 51 is including adjusting face and installation fixed surface, set up a curved angle adjustment hole 54 on the adjusting face, first bolt 52, second bolt 53 all sets up on the adjusting face, it is specific, first bolt 52 is used for the rotatable fixing of light source tip on angle adjusting plate 51 adjusting face, second bolt 53 connects at the light source tip and arranges angle adjustment hole 54 in, the centre of a circle department of angle adjustment hole 54 place in first bolt 52. The adjustment of the light emitting angle of the light source can be realized by adjusting the fixed position of the second bolt 53. The radian of the angle adjusting hole 54 is greater than 50 degrees and less than 70 degrees, preferably, the radian of the angle adjusting hole 54 can be set to 60 degrees, so that the light source can be adjusted in a large range.

The angle adjusting plate 51 has two adjusting surfaces perpendicular to each other, i.e. the two adjusting surfaces are arranged in an L shape, so as to realize the fixing and adjusting of the end portions of the two light sources. The mounting and fixing surface is connected with any one adjusting surface or simultaneously connected with two adjusting surfaces. The mounting fixing surface can be fixedly connected with the mounting plate 1 through bolts.

Example 3

Based on the principle and structure of the above embodiment, the present embodiment discloses a specific implementation manner of a light source, and referring to fig. 5, the light source includes a lamp body 41 and a lamp bead group 43 disposed in the lamp body. Specifically, to make the light source emit parallel light, the lamp body 41 includes a mounting surface, a reflecting surface 44 and a diffuse reflection plate 42, the lamp bead groups 43 are fixed on the mounting surface, the reflecting surfaces 44 are respectively disposed around the lamp bead groups 43, and the diffuse reflection plate 42 is disposed on the opposite surface of the lamp bead groups 43. Part of the light emitted by the lamp beads directly irradiates the diffuse reflection plate, and part of the light irradiates the emission surface, and the non-parallel light is continuously reflected between the reflection surface and the diffuse reflection plate, and finally becomes parallel light to pass through the diffuse reflection plate 42.

The light source structure of this scheme of adoption, its simple structure, the operation of being convenient for, cost is less than visual positioning marking machine far away, is applicable to the additional structure as visual positioning marking machine.

The embodiments described above are merely illustrative, and may or may not be physically separate, if referring to units illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Finally, it should be noted that the present invention is not limited to the above-mentioned alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims

1. A light source module for eliminating illumination shadows, comprising:

the mounting plate (1), wherein the mounting plate (1) is provided with a marking laser penetrating hole (11);

the light source group comprises a transverse light source group (2) and a longitudinal light source group (3), the transverse light source group (2) comprises two light sources which are correspondingly arranged at two sides of the mounting plate (1), the longitudinal light source group (3) comprises two light sources which are symmetrically arranged at two ends of the transverse light source group (2), and light emitted by all the light sources is parallel light;

2. The illumination source assembly capable of eliminating illumination shadows according to claim 1, wherein the light source comprises:

a lamp body (41), wherein the lamp body (41) comprises a diffuse reflection plate (42) which enables light to be emitted in parallel;

and the lamp bead group (43) is arranged in the lamp body (41).

3. The light source component capable of eliminating the irradiation shadows according to claim 2, wherein the lamp body (41) comprises a mounting surface for fixing the lamp bead group (43) and a reflecting surface (44) arranged around the mounting surface, and the diffuse reflection plate (42) is arranged in parallel with the mounting surface.

4. The light source assembly capable of eliminating the illumination shadows according to claim 1, wherein the angle adjusting assembly comprises an angle adjusting plate (51), a first bolt (52) for rotatably fixing the end of the light source on an adjusting surface of the angle adjusting plate (51), and a second bolt (53) for adjusting the light emitting angle of the light source, an angle adjusting hole (54) is formed in the adjusting surface of the angle adjusting plate (51), and the second bolt (53) is disposed in the angle adjusting hole (54) and can slide along the angle adjusting hole (54).

5. The light source component capable of eliminating the irradiation shadows according to claim 4, wherein the angle adjusting holes (54) are arc-shaped, and the first bolt (52) is arranged at the center of a circle where the angle adjusting holes (54) are located.

6. The light source assembly capable of eliminating illumination shadows according to claim 5, wherein the radian of the angle adjusting holes (54) is greater than 50 degrees and less than 70 degrees.

7. Light source module for eliminating illumination shadows, according to claim 4, characterized in that said angle-adjustment plate (51) has two adjustment surfaces arranged perpendicular to each other.

8. The light source assembly capable of eliminating the exposure shadows according to claim 1, characterized in that a mounting seat (12) is fixed on the mounting plate (1).

9. The light source assembly capable of eliminating the irradiation shadows according to the claim 8, characterized in that the mounting seat (12) is provided with vertical mounting holes (13).

10. Light source module for eliminating shadows, according to claim 1, characterized in that the marking laser penetration holes (11) are square.