CN220438620U - Optical module shell - Google Patents

Abstract

The utility model discloses an optical module shell, which is internally provided with a cavity structure, a light inlet and a light outlet, wherein a mounting seat is upwards protruded through the light outlet, the mounting seat comprises a fixing section and a locking section, the fixing section is fixedly connected with a light outlet surface, the locking section is not contacted with the light outlet surface, one end of the fixing section and one end of the locking section are of a connected structure, and a gap is formed between the fixing section and the other end of the locking section. The photoelectric sensor is inserted into the mounting seat, the screw penetrates through the first through hole and the second through hole, the locking section and the fixing section are tightly held, the photoelectric sensor naturally inclines towards the fixing section, and most of weight is pressed on the fixing section, so that accurate assembly is realized. The light inlet is an inclined hole and is also provided with a dustproof lens. The dustproof lens prevents dust or moisture from entering the laser processing head of the customer from the light inlet, thereby burning out the laser processing head of the customer. And meanwhile, the reflection phenomenon of the dustproof lens is prevented, the light beam returns along the original path, and the lens in the laser processing head is burnt.

Description

Optical module shell

Technical Field

The utility model relates to the technical field of laser processing, in particular to an optical module shell.

Background

In recent years, laser processing has been used by more and more processing enterprises, and has become a standard method in manufacturing workpieces. The laser processing is that laser beam emitted by the laser is transmitted through the optical fiber and the lens, and then focused heat source causes the material to be heated rapidly and to melt (even gasify), so as to achieve the purpose of material processing.

The quality of the laser beam greatly influences the processing quality of the workpiece, in the prior art, the laser beam can generate certain reflected light in the process of processing the workpiece, and the laser detection module carries out optical detection on the reflected light to judge whether the quality of the laser processing workpiece is qualified or not. In general, a laser processing head of a customer is directly connected with a camera of the customer, and the laser processing condition is observed through the camera. However, in order to detect the quality of the laser-machined workpiece, a laser detection module needs to be connected between the customer's laser machining head and the customer's camera to detect the quality of the laser-machined workpiece. The laser detection module generally comprises a photoelectric sensor and a light path calibration module, wherein a light inlet of the photoelectric sensor is connected with a light outlet of the light path calibration module, the photoelectric sensor is used for detecting the quality of a laser processing workpiece, and the light path calibration module is used for finely adjusting a light path entering the photoelectric sensor. In general, the photoelectric sensor performs photoelectric conversion by selecting light with a specific wavelength through the steps of light splitting, light condensing, light subtracting, light filtering and the like, so as to achieve the purpose of detecting the quality of a processed workpiece. In the actual operation process, the detection light beam needs to pass through lens seats with different angles, and lenses with different functions are arranged in the lens seats, so that the functions of light splitting, light gathering, light reducing and light filtering are realized, and the detection light beam passing through the laser detection module is accurately and maximally beaten at the center of the detection chip PD.

To sum up, the present laser detection module has the following 2 technical problems: 1. the photoelectric sensor needs to have the shell, built-in various lenses, circuit board etc. and overall weight is heavier, when photoelectric sensor places and installs on the light path calibration module, because photoelectric sensor is heavier, compresses tightly the installing port of light path calibration module under the action of gravity, is unfavorable for the fastening of installing port, and then influences photoelectric sensor's detection quality, needs to optimize the shell of light path calibration module, provides an equipment accurate optical module shell, the installation of photoelectric sensor of being convenient for. 2. The laser processing instrument is a precise instrument, and under normal conditions, a laser processing head of a customer is directly connected with a customer camera, the laser processing condition is observed through the camera, the laser processing head of the customer and the customer camera are sealed, dust, water vapor and the like cannot enter, but if a laser detection module is added between the laser processing head of the customer and the customer camera, whether the quality of a laser processing workpiece is qualified is judged, and because the laser detection module is often required to be plugged and unplugged and a detection lens is replaced, dust, water vapor and the like enter the laser detection module easily, and when the dust, the water vapor and the like enter the customer laser processing head, the laser head of the customer is burnt easily.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an optical module shell with a simple structure.

The scheme for solving the technical problems is as follows:

an optical module shell, the inside of which is of a cavity structure and is provided with a light inlet and a light outlet,

the plane where the light inlet is positioned is a light inlet surface;

the plane where the light outlet is positioned is a light outlet surface;

the light outlet is upwards protruded with a mounting seat, the mounting seat comprises a fixing section and a locking section, the fixing section is fixedly connected with the light outlet surface, the locking section is not contacted with the light outlet surface, the first end of the fixing section and the first end of the locking section are of a connected structure, and the second end of the fixing section and the second end of the locking section are provided with gaps at intervals; the fixing section and the locking section are tightly held by a locking mechanism.

Further, the locking mechanism has the structure that: the second end of the fixed section is provided with a first through hole, the second end of the locking section is provided with a second through hole, and the first through hole and the second through hole are communicated and are used for enabling screws for tightly holding the locking section and the fixed section to pass through the first through hole and the second through hole. In the use, insert the light inlet of photoelectric sensor casing in the light inlet of optical module shell, because the photoelectric sensor is interior to be placed various lenses, lens seat and circuit board etc. and is heavier, if use traditional mount pad, the photoelectric sensor can be forward, back, left and right etc. any direction slope in the installation, because own weight is heavier, is unfavorable for the installation fastening. But in photoelectric sensor inserts the mount pad in this application, the screw passes first through-hole and second through-hole, hugs tightly locking section and fixed section, and photoelectric sensor just naturally inclines to the fixed section, and most weight is pressed on the fixed section, is favorable to locking section to hug tightly the light inlet of photoelectric sensor casing, realizes accurate equipment.

Further, the locking mechanism is a latch, a hook of the latch is arranged at the second end of the fixing section, a pull ring buckle hand of the latch is arranged at the second end of the locking section, and the pull ring buckle hand of the latch is buckled in the hook.

Further, the inner peripheral surface of the fixing section is an arc surface, the inner peripheral surface of the locking section is an arc surface, and the fixing section and the locking section enclose a cuboid-like structure.

Furthermore, the fixing section and the light emitting surface are of a conjoined structure, a welding structure or a bolt locking structure.

Further, the first through hole is a first step through hole for the screw to pass through, the second through hole is a second step through hole for accommodating the nut, the upper peripheral surface of the second step through hole is quadrilateral, the nut is convenient to clamp, the screw is rotated, and the locking section and the fixing section are held tightly.

Furthermore, a camera interface is further formed on the optical module shell, and a plane where the camera interface is located is a camera connecting surface.

Further, the light inlet is used for receiving the light beam;

the cavity structure is provided with a light splitting device;

the camera interface is used for installing an observation camera;

the light outlet is used for outputting a target light beam;

reflected light beams in the laser processing process enter the cavity structure through the light inlet, are guided to the light outlet and/or the camera interface through the light splitting device, when a customer needs to observe through the camera, the camera is connected with the camera interface, and when the customer does not need to observe through the camera, the baffle is installed on the camera connecting surface, so that dust or water vapor is prevented from entering.

Furthermore, the light inlet is also provided with a dustproof lens, the light inlet is a third step through hole, the bottom surface of the third step through hole is inwards extended to form a lens supporting ring for supporting the dustproof lens, the dustproof lens is placed on the lens supporting ring, and the locking ring is arranged in the third step through hole and compresses the dustproof lens;

the third step through hole is an inclined hole, and the center line of the third step through hole and the light incident surface form 85-89 degrees. The dustproof lens has the main functions of: on the one hand, the laser beam transmitted through the light inlet, and on the other hand, dust or water vapor entering the laser detection module due to operations such as lens replacement and the like is prevented from entering the laser processing head of the customer from the light inlet, so that the laser processing head of the customer is burnt. The third step through hole is an inclined hole, and is mainly because: after the dustproof lens is further arranged on the light inlet, reflected light beams in the laser processing process enter the cavity structure from the light inlet, reflection phenomena can be generated, and the light beams return along the original path, so that the lens in the laser processing head can be burnt.

Furthermore, the upper peripheral surface of third step through-hole is provided with the internal thread, and the locking ring outer peripheral surface is provided with the external screw thread with internal screw thread matched with, and the bottom surface of locking ring extends to dustproof lens direction and has the annular arch that is used for compressing tightly dustproof lens, and the top surface of locking ring is provided with the installation breach of being convenient for tool operation. In the installation process, the dustproof lens is firstly placed on the lens supporting ring, then the locking ring is screwed into the third step through hole, and the annular bulge of the locking ring tightly presses the dustproof lens.

Further, a circle of first positioning concave which is concentric with the light inlet is arranged on the light inlet surface; the camera connecting surface is provided with a circle of second positioning recess concentric with the camera interface, so that the optical module shell and the laser head are convenient to install, and the optical module shell and the camera are convenient to connect. The light inlet is outwardly extended with a circle of bulges.

Further, install detachable baffle on the camera connection face, when the customer need use the camera to observe, camera connection camera interface, when the customer need not use the camera to observe, the baffle is installed on the camera connection face, prevents dust or aqueous vapor entering.

Compared with the prior art, the utility model has the following advantages:

(1) The optical module shell is provided with an installation seat which protrudes upwards through the light outlet, the installation seat comprises a fixing section and a locking section, the fixing section is fixedly connected with the light outlet surface, the locking section is not contacted with the light outlet surface, the first end of the fixing section and the first end of the locking section are of a connected structure, and the second end of the fixing section and the second end of the locking section are provided with a notch at a distance. In photoelectric sensor inserts the mount pad in this application, the screw passes the first through-hole of fixed section second end and the second through-hole of locking section second end, hugs tightly locking section and fixed section, and photoelectric sensor just naturally inclines to fixed section, and most weight is pressed on fixed section, is favorable to locking section to hug tightly the light inlet of photoelectric sensor casing, realizes accurate equipment.

(2) The dustproof lens is further arranged at the light inlet, the light inlet is a third step through hole, a lens supporting ring for supporting the dustproof lens is inwards extended from the bottom surface of the third step through hole, the dustproof lens is placed on the lens supporting ring, and the locking ring is arranged in the third step through hole and compresses the dustproof lens; the third step through hole is an inclined hole, and the center line of the third step through hole and the light incident surface form 85-89 degrees. The dustproof lens not only can penetrate the light beam of the light inlet, but also can prevent the laser detection module from entering dust or water vapor from the light inlet to enter the laser processing head of the customer due to the operations such as lens replacement and the like, thereby burning out the laser processing head of the customer. After the dustproof lens is installed on the light inlet, the third step through hole is needed to be an inclined hole, so that reflected light beams in the laser processing process are prevented from being reflected by the light inlet, and the light beams return along the original path due to the reflection phenomenon of the dustproof lens, so that the lens in the laser processing head is burnt out.

Terms such as "inner," "outer," and the like, as used herein, refer to spatially relative positions for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be appreciated that the term spatially relative position is intended to encompass different orientations than those depicted in the figures, depending on the product placement location, and should not be construed as limiting the claims.

Drawings

Fig. 1 is a schematic structural view of an optical module case of embodiment 1.

Fig. 2 is a schematic view of another angle structure of embodiment 1.

Fig. 3 is a schematic view of the mounting base structure of embodiment 1.

Fig. 4 is a schematic view of the structure of the light inlet of embodiment 1.

Fig. 5 is a schematic view of a camera interface mounting baffle structure of embodiment 1.

Fig. 6 is a schematic view of the structure of the photosensor of embodiment 1.

Figure 7 is a cross-sectional view of the mounted dust lens and locking ring of figure 3.

Fig. 8 is a schematic view of the locking ring of fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

as shown in fig. 1 and 2, an optical module housing has a cavity structure 6 inside, and is provided with a light inlet 1 and a light outlet 2,

the plane where the light inlet 1 is positioned is a light inlet surface 11;

the plane where the light outlet 2 is located is a light outlet surface 21;

at the same time, a camera interface 3 is also arranged;

the plane where the camera interface 3 is located is a camera connection surface 31;

as shown in fig. 2 and 3, the light outlet 1 protrudes upwards to form a mounting seat 4, the mounting seat 4 comprises a fixing section 41 and a locking section 42, the fixing section 41 is fixedly connected with the light outlet surface 21, the locking section 42 is not contacted with the light outlet surface 21, a first end 43 of the fixing section and a first end 44 of the locking section are in a connected structure, and a gap 49 is formed between a second end 45 of the fixing section and a second end 46 of the locking section; the fixing section 41 and the locking section 42 are held tightly by a locking mechanism.

As shown in fig. 2 and 3, the locking mechanism has the following structure: the second end 45 of the fixing section is provided with a first through hole 47, the second end 46 of the locking section is provided with a second through hole 48, and the first through hole 47 and the second through hole 48 are communicated, and screws for tightly holding the locking section 41 and the fixing section 42 pass through the first through hole 47 and the second through hole 48.

As shown in fig. 2 and 6, during the use, the light inlet 71 of the housing of the photoelectric sensor 7 is inserted into the light inlet 1 of the optical module housing, and since various lenses, lens holders, circuit boards and the like are placed in the photoelectric sensor 7, the overall weight is heavy, and if a conventional mounting holder is used, the photoelectric sensor may incline in any direction of front, rear, left, right and the like during the mounting, and the mounting and fastening are not facilitated due to the heavy weight. But in photoelectric sensor 7 inserts mount pad 4 in this application, the screw passes first through-hole 47 and second through-hole 48, hugs tightly locking section 42 and fixed section 41, and photoelectric sensor 7 just naturally inclines to fixed section 41, and most weight is pressed on fixed section 41, is favorable to locking section 42 to hug tightly the light inlet 71 of photoelectric sensor 7 casing, realizes accurate equipment.

As shown in fig. 2, the inner circumferential surface of the fixing section 41 is an arc surface, the inner circumferential surface of the locking section 42 is an arc surface, and the fixing section 41 and the locking section 42 enclose a structure similar to a cuboid.

As shown in fig. 2, the fixing section 41 and the light emitting surface 11 are in a connected structure.

As shown in fig. 2 and 3, the first through hole 47 is a first step through hole through which a screw passes, the second through hole 48 is a second step through hole for accommodating a nut, and the upper circumferential surface of the second step through hole 48 is quadrangular, so that the nut is conveniently clamped, the screw is rotated, and the locking section 42 and the fixing section 41 are held tightly.

As shown in fig. 1, an optical inlet 1 is used for receiving an optical beam; a light outlet 2 for outputting a target light beam;

as shown in fig. 3, the cavity structure 6 is provided with a spectroscopic device (not shown in the spectroscopic device diagram, filed in patent CN 202210290751.6);

as shown in fig. 2, a camera interface 3 for mounting an observation camera;

as shown in fig. 1 and 5, a reflected light beam in the laser processing process enters the cavity structure 6 from the light inlet 1, is guided to the light outlet 2 and/or the camera interface 3 through the light splitting device, when a customer needs to observe by using a camera, the camera is connected with the camera interface 3, and when the customer does not need to observe by using the camera, the baffle 33 is mounted on the camera connection surface 31 to prevent dust or moisture from entering.

As shown in fig. 1 and 4, the light inlet 1 is further provided with a dustproof lens, the light inlet 1 is a third step through hole, the bottom surface of the third step through hole is inwards extended with a lens supporting ring 15 for supporting the dustproof lens, the dustproof lens is placed on the lens supporting ring 15, and the locking ring 5 is arranged in the third step through hole and compresses the dustproof lens;

as shown in fig. 4 and 7, the third step through hole 1 is an inclined hole, and the center line of the third step through hole 1 forms 85-89 degrees with the light incident surface 11. The main functions of the dustproof lens 8 are: on the one hand, the light beam transmitted through the light inlet 1, and on the other hand, dust or moisture entering the photoelectric sensor 7 due to operations such as lens replacement and the like is prevented from entering the laser processing head of the customer from the light inlet 1, so that the laser processing head of the customer is burnt. The third step through hole 1 is an inclined hole, mainly because: after the dustproof lens 8 is further installed on the light inlet 1, reflected light beams in the laser processing process enter the cavity structure 6 from the light inlet 1, reflection phenomena can be generated, and the light beams return along the original path, so that the lens in the laser processing head can be burnt.

As shown in fig. 4 and 8, the upper peripheral surface of the third stepped through hole 1 is provided with an internal thread 12, the outer peripheral surface of the locking ring 5 is provided with an external thread 51 matched with the internal thread, the bottom surface of the locking ring 5 extends toward the dustproof lens to form an annular bulge 52 for pressing the dustproof lens, and the top surface of the locking ring 5 is provided with an installation notch 53 for facilitating tool operation. In the process of installation, the dustproof lens is firstly placed on the lens supporting ring 15, then the locking ring 5 is screwed into the third step through hole 1, and the annular protrusion 53 of the locking ring 5 compresses the dustproof lens.

As shown in fig. 4, a circle of first positioning concave 13 concentric with the light inlet 1 is arranged on the light inlet surface 11; the camera connecting surface 31 is provided with a circle of second positioning concave 32 concentric with the camera interface 3, so that the optical module shell and the laser head are convenient to install, and the optical module shell and the camera are convenient to connect.

As shown in fig. 4, the light inlet 1 is outwardly extended with a circle of protrusions 14.

As shown in fig. 5, a detachable shutter 33 is mounted on the camera connection surface 31, and when a customer needs to observe with a camera, the camera is connected to the camera interface 3, and when the customer does not need to observe with the camera, the shutter 33 is mounted on the camera connection surface 31, preventing dust or moisture from entering.

Example 2:

the remainder was the same as in example 1, except for the following features:

the locking mechanism is a latch, a hook of the latch is arranged at the second end 45 of the fixed section, a pull ring buckle of the latch is arranged at the second end 46 of the locking section, and the pull ring buckle of the latch is buckled in the hook.

Example 3:

the remainder was the same as in example 1, except for the following features:

the fixing section 41 and the light emitting surface 21 are welded.

Example 4:

the remainder was the same as in example 1, except for the following features:

the fixing section 41 and the light emergent surface 21 are of a bolt locking structure.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.

Claims (10)

1. The utility model provides an optical module shell, its inside is cavity structure to set up light inlet and light outlet, its characterized in that:

the plane where the light inlet is positioned is a light inlet surface;

the plane where the light outlet is positioned is a light outlet surface;

the light outlet protrudes upwards and is provided with a mounting seat, the mounting seat comprises a fixing section and a locking section, the fixing section is fixedly connected with the light outlet surface, the locking section is not contacted with the light outlet surface, the first end of the fixing section and the first end of the locking section are of a connected structure, the second end of the fixing section and the second end of the locking section are provided with gaps, and the fixing section and the locking section are tightly held by a locking mechanism.

2. The optical module housing of claim 1, wherein: the locking mechanism has the structure that: the second end of the fixed section is provided with a first through hole, the second end of the locking section is provided with a second through hole, and the first through hole and the second through hole are communicated and are used for enabling screws for tightly holding the locking section and the fixed section to pass through the first through hole and the second through hole.

3. The optical module housing of claim 1, wherein: the locking mechanism is a latch, a hook of the latch is arranged at the second end of the fixed section, a pull ring buckle hand of the latch is arranged at the second end of the locking section, and the pull ring buckle hand of the latch is buckled in the hook.

4. The optical module housing of claim 1, wherein: the inner peripheral surface of the fixing section is an arc surface, and the inner peripheral surface of the locking section is an arc surface.

5. The optical module housing of claim 1, wherein: the fixing section and the light emitting surface are of a connected structure, a welding structure or a bolt locking structure.

6. The optical module housing of claim 2, wherein: the first through hole is a first step through hole for a screw to pass through, the second through hole is a second step through hole for accommodating a nut, and the upper peripheral surface of the second step through hole is quadrilateral.

7. The optical module housing of claim 1, wherein: the optical module shell is also provided with a camera interface, and the plane where the camera interface is positioned is a camera connecting surface; a detachable baffle is arranged on the machine connecting surface;

a circle of first positioning concave which is concentric with the light inlet is arranged on the light inlet surface; a circle of second positioning concave which is concentric with the camera interface is arranged on the camera connecting surface; the light inlet is extended outwards to form a circle of bulges.

8. The optical module housing of claim 7, wherein:

the light inlet is used for receiving the light beam;

the cavity structure is provided with a light splitting device;

the camera interface is used for installing an observation camera;

the light outlet is used for outputting a target light beam;

reflected light beams in the laser processing process enter the cavity structure from the light inlet and are guided to the light outlet and/or the camera interface through the light splitting device.

9. The optical module housing of claim 1, wherein: the light inlet is also provided with a dustproof lens, the light inlet is a third step through hole, the bottom surface of the third step through hole is inwards extended to form a lens supporting ring for supporting the dustproof lens, the dustproof lens is placed on the lens supporting ring, and the locking ring is arranged in the third step through hole and compresses the dustproof lens;

the third step through hole is an inclined hole, and the center line of the third step through hole and the light incident surface form 85-89 degrees.

10. The optical module housing of claim 9, wherein: the upper peripheral surface of third step through-hole is provided with the internal screw thread, and the locking ring outer peripheral surface is provided with the external screw thread with internal screw thread matched with, and the bottom surface of locking ring extends to dustproof lens direction and is used for compressing tightly the annular bulge of dustproof lens, and the top surface of locking ring is provided with the installation breach of being convenient for tool operation.