CN213602168U

CN213602168U - Light source module

Info

Publication number: CN213602168U
Application number: CN202023015912.6U
Authority: CN
Inventors: 赵发权; 楚天航; 焦宁宁; 海强; 顾春耕; 简铨莹
Original assignee: Jabil Circuit Singapore Pte Ltd
Current assignee: Jabil Circuit Singapore Pte Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-07-02
Anticipated expiration: 2030-12-14

Abstract

The utility model provides a light source module for laser emitter, laser emitter includes the camera lens, the laser beam will be followed the optical axis direction of camera lens and by the camera lens jets out, light source module includes the fixing base and sets up the light source on the fixing base, and be equipped with the logical unthreaded hole that runs through light source and fixing base, the fixing base is through dismantling the one end of connecting in the camera lens, make the camera lens, fixing base and light source set gradually along the optical axis direction, and through carrying out location fit with the camera lens, make the hole axis that leads to the unthreaded hole coaxial with the optical axis, the laser beam passes through camera lens and light source module in proper order, and jet out to the external world along the optical axis in leading to the unthreaded hole, this application uses fixing base positioner and connecting device, when realizing quick dismantlement between laser emitter and the light source module, can ensure the uniformity after both dismouting many times, and then.

Description

Light source module

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a light source module.

Background

The light source module is used for assisting the laser emitting device to complete a specific function, for example, a light source is installed below a lens of the laser welding machine and used for assisting the CCD photographing light source module to be installed on the laser emitting device through a plurality of bolts. It is known that screwing and unscrewing a bolt each time takes longer, so that the disassembly and assembly efficiency of the light source module on the laser emitting device is reduced, meanwhile, the bolt is adopted for connecting without a corresponding positioning device, the position consistency of the light source module on the laser emitting device cannot be guaranteed after the light source module is disassembled and assembled for many times, the coaxiality between the light source module and the laser emitting device is poor, and the laser emitting path is seriously deviated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a light source module to solve the poor problem of present light source module dismouting inefficiency, position uniformity.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a light source module for laser emitter, laser emitter includes the camera lens, and the laser beam will be followed the optical axis direction of camera lens and by the camera lens jets out, light source module include the fixing base with set up in light source on the fixing base to be equipped with and run through in proper order the light source with the logical unthreaded hole of fixing base, the fixing base through can dismantle connect in the one end of camera lens makes the camera lens the fixing base with the light source is followed the optical axis direction sets gradually, the fixing base through with the camera lens carries out location fit, makes the hole axis that leads to the unthreaded hole with the optical axis is coaxial, the laser beam passes through in proper order the camera lens with light source module, and follow in the logical unthreaded hole the optical axis jets out to external world.

Furthermore, the fixing base includes first connecting portion, the fixing base passes through first connecting portion with the camera lens can dismantle connection and location cooperation.

Furthermore, the first connecting portion is specifically an external thread arranged on the outer peripheral surface of the fixed seat, the external thread is coaxially arranged with the axis of the hole, an internal thread coaxial with the optical axis is arranged on the inner peripheral surface of the lens, the internal thread is positioned at one end of the lens, and the fixed seat is detachably connected with the lens in a positioning mode through the external thread and the internal thread in threaded connection.

Furthermore, the fixing base with can dismantle the connection between the light source, set up first via hole on the fixing base, set up the second via hole on the light source, first via hole with the second via hole is followed the hole axis sets gradually and constitutes the light hole passes through.

Furthermore, a plurality of second connecting portions are arranged on the fixed seat, the second connecting portions are support plates extending from the inner peripheral surface of the first via hole to the axis of the hole, and the light source is detachably connected to the fixed seat through the second connecting portions.

Further, every second connecting portion all is equipped with the perforating hole, be equipped with on the light source with the screw hole that perforating hole position and figure all correspond to the laminating set up in a plurality of second connecting portion terminal surfaces wear to establish through the bolt perforating hole and threaded connection the screw hole realizes the light source with the dismantlement of fixing base is connected.

Further, the second connections total four and are arranged in an annular array about the bore axis.

Furthermore, the fixing base still includes the portion of gripping, the portion of gripping for concave establishing and/or protruding establish the shaping in the line of fixing base outer peripheral face, and with first connecting portion overlaps the setting each other.

Furthermore, the holding part is a gear ring arranged on the peripheral surface of the fixed seat.

Further, the light source comprises a light source body and a light source plate which are mutually overlapped, the light source body is detachably connected with the fixed seat and is positioned between the fixed seat and the light source plate,

the second through hole penetrates through the light source body and the light source plate in sequence.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses a light source module, through setting up the fixing base, make light source module can realize being connected and the location with laser emission device through the fixing base, guarantee better position uniformity simultaneously accelerating dismouting efficiency to satisfy laser emission device's normal use.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a structural diagram of a laser emitting device disclosed in an embodiment of the present application after a light source module is installed;

FIG. 2 is an exploded view of FIG. 1 as disclosed in an embodiment of the present application;

fig. 3 is a structural diagram of a light source module disclosed in an embodiment of the present application;

FIG. 4 is a diagram of a fixing base structure disclosed in the embodiments of the present application;

fig. 5 is a structural diagram of a light source disclosed in an embodiment of the present application.

Description of reference numerals:

100-laser emitting device, 110-outer cover, 120-reflector, 130-lens,

200-light source module,

210-fixed seat, 211-first connecting part, 212-holding part, 213-second connecting part,

220-light source, 221-light source body, 222-light source plate,

230-light passing hole, 231-first via hole, 232-second via hole,

300-laser beam,

O1-optic axis, O2-hole axis.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

The light source module 200 shown in fig. 1 to 3 is mounted on the laser emitting device 100, and the laser emitting device 100 includes a lens 130 and a reflecting mirror 120. The lens 130 has an optical axis O1, and the mirror 120 is disposed opposite the lens 130 along the optical axis O1. The reflector 120 is configured to reflect a laser beam 300 emitted by an external laser emission source (not shown) downward along an optical axis O1, and reflect an image of, for example, a workpiece to be processed (not shown) below to a CCD camera (not shown) through the reflector 120, so as to accurately position the workpiece to be processed through the CCD camera, and further perform laser engraving on the workpiece to be processed with the laser beam 300; the light source module 200 is used to provide an auxiliary light source for reflecting the image of the workpiece to be processed to the CCD camera through the reflector 120. It should also be noted that a laser source for emitting the laser beam 300 may also be disposed in the laser emitting device 100, and will not be described in detail herein.

More specifically, the laser emitting device 100 may further include a housing 110, the reflector 120 is disposed in the housing 110 and located at the top of the housing 110, and the lens 130 is disposed at the bottom of the housing 110 to provide a shielding function for the lens 130 and the reflector 120.

The light source module 200 includes a holder 210 and a light source 220; the light source 220 is disposed on the fixing base 210. The light source module 200 is further provided with a light hole 230, and the light hole 230 has a hole axis O2 and sequentially penetrates through the light source 220 and the fixing base 210.

The fixing base 210 is detachably connected to the lens 130, and is located at one end of the lens 130 far away from the reflector 120, so that the reflector 120, the lens 130, the fixing base 210 and the light source 220 are sequentially arranged along the direction of the optical axis O1, and thus the light source module 200 can be quickly assembled and disassembled with the lens 130 through the fixing base 210.

The fixing base 210 is in positioning fit with the lens 130, so that the hole axis O2 is coaxial with the optical axis O1, that is, the coaxiality between the fixing base 210 and the lens 130 is within a control range, and further, the position consistency of the light source module 200 and the laser emitting device 100 after being disassembled and assembled for many times is ensured, so that the laser beam 300 can be emitted to the outside along the optical axis O1 in the light through hole 230 after being emitted into the light source module 200 through the lens 130, and the path emitted by the laser beam 300 is ensured not to change due to multiple times of disassembly and assembly.

In summary, the fixing base 210 is a connecting device of the light source module 200 and a positioning device of the light source module 200, and ensures the consistency of the positions of the light source module 200 and the laser emitting device 100 when the light source module is quickly assembled and disassembled, thereby ensuring the effective usability of the device.

In some embodiments, the fixing base 210 includes a first connection portion 211, and the fixing base 210 is detachably connected and positioned to cooperate with the lens 130 through the first connection portion 211. First connecting portion 211 specifically can be the tapering dabber here, establishes the tapering hole in camera lens 130, realizes fixing a position in order to guarantee axiality between them through taper fit, and this tapering dabber edge can set up elasticity buckle simultaneously, and the tapering hole edge of camera lens 130 can set up the elasticity draw-in groove, realizes dismantling the connection between them through the elasticity joint.

The first connection portion 211 of the present application has a specific structure as shown in fig. 4, and the first connection portion 211 is an external thread disposed on the outer peripheral surface of the fixing base 210. The external thread is provided coaxially with the hole axis O2, and the inner peripheral surface of the lens 130 is provided with an internal thread coaxial with the optical axis O1, the internal thread being located at an end of the lens 130 remote from the mirror 120. Like this through the threaded connection of external screw thread and internal thread, can realize fixing base 210 and camera lens 130's detachable connection, threaded connection has the effect of screw thread centering simultaneously, also can Europe realize the location fit between fixing base 210 and the camera lens 130.

It should be noted that the first connection portion 211 may also be an internal thread disposed on the inner circumferential surface of the fixing base 210, and an external thread disposed on the outer circumferential surface of the lens 130, so as to achieve detachable connection and positioning engagement between the two through threaded connection and threaded centering.

In some embodiments, to facilitate replacement and maintenance of the holder 210 or the light source 220, the holder 210 and the light source 220 are detachably connected, such as by a screw connection, a snap connection of a ring-shaped snap strip, or the like. Meanwhile, the fixing seat 210 is provided with a first through hole 231, the light source 220 is provided with a second through hole 232, and the first through hole 231 and the second through hole 232 are sequentially arranged along a hole axis O2 to form a light passing hole 230.

In order to realize the detachable connection between the fixing base 210 and the light source 220, the specific structure adopted in the present application is as shown in fig. 4, and a plurality of second connecting portions 213 are disposed on the fixing base 210. The second connecting portion 213 is a support plate extending from the inner circumferential surface of the light through hole 230 to the hole axis O2, the light source 220 is detachably connected to the fixing base 210 through the second connecting portion 213, for example, an annular groove may be formed on the outer circumferential surface of the light source 220, and the second connecting portion 213 is clamped in the annular groove.

In a further embodiment, as shown in fig. 4 and 5, each of the second connection parts 213 is provided with a through hole. The light source 220 is provided with screw holes corresponding to the positions and the number of the through holes, and is attached to the end surfaces of the second connection portions 213. The through hole is penetrated through by the bolt and is in threaded connection with the threaded hole, so that the detachable connection between the light source 220 and the fixed seat 210 is realized.

Furthermore, the center of the through hole is located on a first virtual circle formed by rotating around the hole axis O2, and the threaded hole is located on a second virtual circle formed by rotating around the hole axis O2, so as to achieve the rapid positioning of the light source 220 on the fixing base 210. The second connection portions 213 are preferably provided in four, and are uniformly distributed around the hole axis O2 in an annular array on the inner peripheral surface of the first via hole 231.

More specifically, fixing base 210 adopts the fretwork design for overall structure lightweight specifically is greater than the light source 220 external diameter for setting up first via hole 231 internal diameter, and the light source 220 external diameter is greater than first virtual circle diameter. In this case, the second connection portion 213 corresponds to a connection frame of the fixing base 210.

In a further embodiment, as shown in fig. 4, the holder 210 further includes a grip portion 212. The holding portion 212 is formed on the outer peripheral surface of the fixing base 210, and specifically, is formed with concave, convex or concave-convex patterns disposed on the outer peripheral surface of the fixing base 210 in a combined manner. The holding portion 212 and the first connecting portion 211 are disposed to overlap each other. Thus, the operator can increase the friction force required when the fixing base 210 is screwed in and out of the lens 130 by holding the grip portion 212 with hands or a tool, thereby facilitating the disassembling and assembling work.

More specifically, the holding portion 212 is a gear ring disposed on the outer peripheral surface of the fixing base 210, and the fixing base 210 is screwed in and screwed out by holding the gear ring by hand, or a tool such as a wrench with an internal gear ring is engaged with the holding portion 212 to form a mesh, and then the fixing base 210 is screwed in and screwed out by the tool.

In some embodiments, as shown in fig. 5, the light source 220 includes a light source body 221 and a light source board 222 that are superimposed on each other. The light source body 221 is detachably connected to the fixing base 210 and is located between the fixing base 210 and the light source board 222. The second via hole 232 sequentially penetrates the light source body 221 and the light source plate 222. This can form shielding protection for the light source body 221 by the light source plate 222.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A light source module (200) is mounted to a laser emitting device (100), the laser emitting device (100) comprising a lens (130) and a reflector (120); -the laser beam (300) will be directed along the optical axis (O1) of the lens (130) and will be emitted by the lens (130), -the mirror (120) is arranged opposite the lens (130) along the optical axis (O1), characterized in that: the light source module (200) comprises a fixed seat (210), a light source (220) arranged on the fixed seat (210), and a light through hole (230) which sequentially penetrates through the light source (220) and the fixed seat (210),

the fixed seat (210) is detachably connected with one end of the lens (130), so that the lens (130), the fixed seat (210) and the light source (220) are sequentially arranged along the direction of the optical axis (O1),

the fixed seat (210) is matched with the lens (130) in a positioning way, so that the hole axis (O2) of the light through hole (230) is coaxial with the optical axis (O1),

the laser beam (300) sequentially passes through the lens (130) and the light source module (200) and is emitted to the outside along the optical axis (O1) in the light through hole (230).

2. The light source module of claim 1, wherein: the fixing seat (210) comprises a first connecting part (211), and the fixing seat (210) is detachably connected with the lens (130) through the first connecting part (211) and is in positioning fit with the lens.

3. The light source module of claim 2, wherein: the first connecting part (211) is an external thread arranged on the peripheral surface of the fixed seat (210), the external thread is coaxially arranged with the hole axis (O2),

the inner peripheral surface of the lens (130) is provided with an internal thread coaxial with the optical axis (O1), the internal thread is positioned at one end of the lens (130) far away from the reflector (120),

through the threaded connection of the external thread and the internal thread, the fixed seat (210) and the lens (130) are detachably connected and are in positioning fit.

4. The light source module of claim 1, wherein: the fixed seat (210) is detachably connected with the light source (220),

a first through hole (231) is arranged on the fixed seat (210), a second through hole (232) is arranged on the light source (220),

the first via hole (231) and the second via hole (232) are sequentially arranged along the hole axis (O2) and constitute the light passing hole (230).

5. The light source module of claim 4, wherein: the fixed seat (210) is provided with a plurality of second connecting parts (213), the second connecting parts (213) are support plates extending from the inner peripheral surface of the first through hole (231) to the hole axis (O2),

the light source (220) is detachably connected to the fixed seat (210) through a second connecting part (213).

6. The light source module of claim 5, wherein: each second connecting part (213) is provided with a through hole, the light source (220) is provided with threaded holes corresponding to the positions and the number of the through holes and is attached to the end surfaces of the plurality of second connecting parts (213),

the through hole is penetrated through by a bolt and is in threaded connection with the threaded hole, so that the detachable connection between the light source (220) and the fixed seat (210) is realized.

7. The light source module according to claim 5 or 6, wherein: the second connections (213) are arranged in an annular array about the bore axis (O2).

8. The light source module of claim 3, wherein: the fixing base (210) further comprises a holding part (212), the holding part (212) is concavely and/or convexly formed on the grains on the outer peripheral surface of the fixing base (210), and the holding part and the first connecting part (211) are arranged in a mutually overlapped mode.

9. The light source module of claim 8, wherein: the holding part (212) is a gear ring arranged on the outer peripheral surface of the fixed seat (210).

10. The light source module of claim 4, wherein: the light source (220) comprises a light source body (221) and a light source plate (222) which are mutually overlapped,

the light source body (221) is detachably connected to the fixed seat (210) and is positioned between the fixed seat (210) and the light source plate (222),

the second through hole (232) penetrates through the light source body (221) and the light source plate (222) in sequence.