CN219310334U

CN219310334U - Laser processing device

Info

Publication number: CN219310334U
Application number: CN202223311303.4U
Authority: CN
Inventors: 徐小波; 梁燎原; 段鹏; 沈淼波; 余泽武
Original assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-07-07
Anticipated expiration: 2032-12-10

Abstract

The utility model provides a laser processing device, which comprises a bearing mechanism, a laser mechanism and a reflecting mechanism, wherein the laser mechanism is connected with the bearing mechanism and is used for emitting laser beams along a first direction or deflecting to a preset angle based on the first direction, the reflecting mechanism comprises a reflecting mirror and a supporting piece, the supporting piece is connected with the bearing mechanism and is provided with a through hole positioned between the laser mechanism and a workpiece, the laser beams emitted along the first direction penetrate through the through hole to a workpiece or a hole to be processed on the workpiece, and the reflecting mirror is arranged on the hole wall of the through hole and is used for reflecting the laser beams emitted to the preset angle based on the first direction to the hole wall of the hole to be processed on the workpiece. The laser processing device can process the surface or the bottom surface of the hole to be processed, can process the hole wall of the hole to be processed, has a simple structure, is simple in action process, is convenient and quick, and can improve the processing speed of the laser mechanism on the hole to be processed of the workpiece, so that the processing efficiency of the hole to be processed of the workpiece is improved.

Description

Laser processing device

Technical Field

The utility model relates to the technical field of laser processing, in particular to a laser processing device.

Background

When the hole wall of a hole to be processed of a workpiece is processed by laser, for example: the laser blacking generally drives the five-axis driving device to move, turn and position for a plurality of times, so that the hole wall of the hole to be processed on the workpiece changes positions for a plurality of times relative to the laser beam of the fixed path, and further the processing of the controlled hole wall is realized.

However, in the existing laser processing method, the workpiece is turned over and positioned for many times, the operation is complicated, the processing time is long, and the processing efficiency of the hole to be processed on the workpiece is low.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a laser processing apparatus to improve the processing efficiency of a workpiece.

An embodiment of the present utility model provides a laser processing apparatus including:

a carrying mechanism;

the laser mechanism is connected with the bearing mechanism and is used for emitting laser beams along a first direction or deflected to a preset angle based on the first direction;

the reflecting mechanism comprises a reflecting mirror and a supporting piece, wherein the supporting piece is connected to the bearing mechanism and is provided with a through hole positioned between the laser mechanism and the workpiece, a laser beam emitted along the first direction passes through the through hole to the workpiece or a hole to be processed on the workpiece for processing, and the reflecting mirror is arranged on the hole wall of the through hole and is used for reflecting the laser beam emitted from the first direction deflected to the preset angle to the hole wall of the hole to be processed on the workpiece for processing.

In the laser processing device, the laser mechanism emits the laser beam along the first direction and directly irradiates the surface or the ground of the hole to be processed on the workpiece so as to process the surface or the bottom surface of the hole to be processed, meanwhile, the laser mechanism deflects the laser beam to a preset angle based on the first direction and irradiates the laser beam on the reflecting mirror, and the reflecting mirror reflects the laser beam which is deflected to the preset angle based on the first direction to the hole wall of the hole to be processed on the workpiece so as to process the hole wall of the hole to be processed. Therefore, the laser processing device can process the surface or the bottom surface of the hole to be processed, process the hole wall of the hole to be processed, and has the advantages of simple structure, simple action flow, convenience and rapidness, and can improve the processing speed of the laser mechanism on the hole to be processed of the workpiece, thereby improving the processing efficiency of the hole to be processed of the workpiece.

In some embodiments, the mirror comprises:

the mounting body is detachably connected to the hole wall of the through hole;

and the lens is connected to one side of the mounting body, which is away from the hole wall of the through hole.

In some embodiments, the predetermined angle ranges from 0 ° to 30 °.

In some embodiments, a hole wall of the through hole is provided with a mounting hole, the mounting hole penetrates through the inside and the outside of the support piece along a direction perpendicular to the first direction, and the mounting body comprises:

the mounting part is inserted into the mounting hole, and one end of the mounting part extends into the through hole and is connected with the lens;

a protruding part protruding from the other end of the mounting part and abutting against the support member;

and the locking part penetrates through the protruding part and is connected with the supporting piece in a threaded mode.

In some embodiments, the mirrors are arranged in a plurality of groups, and the plurality of groups of mirrors are arranged at intervals in the circumferential direction with the axis of the through hole as the axis.

In some embodiments, the laser mechanism comprises:

a laser for emitting a laser beam;

the optical path reflection assembly is connected with the bearing mechanism and is used for transferring the laser beam emitted by the laser;

the vibrating mirror assembly is connected to the light path reflecting assembly and is used for reflecting the laser beam transferred by the light path reflecting assembly, so that the laser beam is deflected to a preset angle along or based on the first direction and is emitted.

In some embodiments, the laser processing apparatus further comprises a visual positioning mechanism comprising:

the visual camera is arranged along a second direction perpendicular to the first direction, is formed with an optical path extending along the second direction, is connected to the bearing mechanism and is used for photographing and positioning the position of the hole to be processed on the workpiece and acquiring position information;

the reflection beam combining lens is obliquely arranged along the first direction and towards the second direction, is arranged between the laser mechanism and the supporting piece and is connected with the bearing mechanism, and is used for adjusting the optical path of the vision camera from the second direction to the first direction.

In some embodiments, the reflective beam combiner comprises:

a mirror body for transmitting the laser beam emitted by the laser mechanism so that the laser beam transmitted through the mirror body is irradiated to the workpiece;

the fixed body, the one end detachably of fixed body connect in the mirror body, the other end of fixed body connect in bear mechanism.

In some embodiments, the fixture comprises:

the fixed rod extends along a third direction, and the other end of the fixed rod is connected with the bearing mechanism;

the first supporting part is connected to one end of the fixed rod;

the second propping part is arranged at intervals with the first propping part and respectively propped against two opposite sides of the mirror body, and the second propping part is detachably connected with one end of the fixed rod; wherein,,

the third direction is perpendicular to the first direction and the second direction.

In some embodiments, the load bearing mechanism comprises:

the bearing frame is vertically arranged along the first direction, and one end of the bearing frame is connected with the supporting piece;

the bearing plate is vertically connected to the other end of the bearing frame and is used for bearing the laser mechanism.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a laser processing apparatus according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of the reflection mechanism in fig. 2.

Fig. 4 is an exploded view of the reflection mechanism of fig. 3.

Fig. 5 is an exploded view of the reflective beam combiner of fig. 2.

Description of the main reference signs

Laser processing device 10

Bearing means 11

Carrier 111

Load board 112

Laser mechanism 12

Laser 121

Optical path reflecting component 122

Vibrating mirror assembly 123

Reflection mechanism 13

Mirror 131

Lens 1311

Mounting body 1312

Mounting portion 1312a

Projection 1312b

Locking portion 1312c

Support 132

Through hole 133

Mounting hole 134

Visual positioning mechanism 14

Visual camera 141

Reflection beam combining mirror 142

Mirror 1421

Fixed body 1422

Fixed bar 1422a

First abutting portion 1422b

Second supporting portion 1422c

Workpiece 20

Hole 21 to be processed

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

For convenience of illustration, in fig. 2, a three-dimensional coordinate system is added, specifically, a direction in which a Z axis is a first direction, that is, a direction in which a laser beam is emitted by the laser processing apparatus 10, a direction in which an X axis is a second direction, that is, a direction in which the vision camera 141 and the reflective beam combiner 142 are disposed, and a direction in which a Y axis is a third direction, that is, an overall extending direction of the reflective beam combiner 142, that is, an extending direction of the fixing rod 1422a (shown in fig. 5).

Referring to fig. 1, fig. 1 is a schematic structural diagram of a workpiece 20, where a hole 21 to be machined is formed in the workpiece 20, and the workpiece 20 may be a mobile phone, for example.

Referring to fig. 2, an embodiment of the present utility model provides a laser processing apparatus 10, which includes a carrying mechanism 11, a laser mechanism 12 and a reflecting mechanism 13, and is used for performing laser processing on a hole 21 to be processed of a workpiece 20.

In some embodiments, the laser mechanism 12 is connected to the carrying mechanism 11 and is used for emitting a laser beam in a first direction or deflected to a preset angle based on the first direction, the reflecting mechanism 13 includes a reflecting mirror 131 and a supporting member 132, the supporting member 132 is connected to the carrying mechanism 11 and is provided with a through hole 133 located between the laser mechanism 12 and the workpiece 20, the laser beam emitted in the first direction passes through the through hole 133 and is emitted to the workpiece 20 or a hole 21 to be processed on the workpiece 20 for processing, and the reflecting mirror 131 is arranged on a hole wall of the through hole 133 and is used for reflecting the laser beam emitted deflected to the preset angle based on the first direction to the hole wall of the hole 21 to be processed on the workpiece 20 for processing.

In the laser processing apparatus 10, the laser mechanism 12 emits a laser beam along a first direction and irradiates the surface or the ground of the hole to be processed on the workpiece 20, so as to process the surface or the bottom of the hole to be processed 21, and meanwhile, the laser mechanism 12 deflects the laser beam to a preset angle based on the first direction and irradiates the laser beam on the reflecting mirror 131, and the reflecting mirror 131 reflects the laser beam deflected to the preset angle based on the first direction to the hole wall of the hole to be processed 21 on the workpiece 20, so as to process the hole wall of the hole to be processed 21. Therefore, the laser processing device 10 can process the surface or the bottom surface of the hole 21 to be processed, and process the wall of the hole 21 to be processed, has a simple structure, a simple operation flow, and is convenient and quick, and the processing speed of the laser mechanism 12 on the hole 21 to be processed of the workpiece 20 can be improved, so that the processing efficiency of the hole 21 to be processed of the workpiece 20 is improved.

Referring to fig. 3, in some embodiments, the mirror 131 includes a lens 1311 and a mounting body 1312, the mounting body 1312 is detachably connected to the wall of the through hole 133, and the lens 1311 is connected to a side of the mounting body 1312 facing away from the wall of the through hole 133.

During installation, the lens 1311 is firstly installed on the installation body 1312, then the installation body 1312 is connected to the hole wall of the through hole 133, so that the installation of the lens of the reflector 131 is realized, and the installation body 1312 is detachably connected with the supporting piece 132, so that the lens 1311 and the supporting piece 132 can be quickly detached or installed.

In some embodiments, the preset angle ranges from 0 ° to 30 °, so that when the laser mechanism 12 irradiates the mirror 131, the deflection distance of the laser beam in the horizontal direction is appropriate, the mirror 131 can be mounted at a position closer to the laser mechanism 12 in the horizontal direction, the occupied space of the reflection mechanism 13 is reduced, so that the laser processing apparatus 10 is mounted on a production line with limited space, and when the preset angle is greater than 30 °, the deflection distance of the laser beam in the horizontal direction when the laser beam irradiates the mirror 131 is too large, so that the mounting position of the mirror 131 is away from the laser mechanism 12 in the horizontal direction, which increases the occupied space of the reflection mechanism 13, and is unfavorable for the mounting of the laser processing apparatus 10 on the production line with limited space.

Referring to fig. 4, in some embodiments, a hole wall of the through hole 133 is provided with a mounting hole 134, the mounting hole 134 penetrates through the inside and outside of the support member along a direction perpendicular to the first direction, the mounting body 1312 includes a mounting portion 1312a, a protruding portion 1312b and a locking portion 1312c, the mounting portion 1312a is inserted into the mounting hole 134, one end of the mounting portion 1312a extends into the through hole 133 and is connected with a lens 1311, the protruding portion 1312b is protruding from the other end of the mounting portion 1312a and abuts against the support member 132, and the locking portion 1312c penetrates through the protruding portion 1312b and is screwed to the support member 132. Illustratively, the locking portion 1312c may be a screw.

In this way, during installation, the installation portion 1312a is inserted into the installation hole 134 so that the protruding portion 1312b is abutted against the outer circumferential surface of the supporting member 132, and then the protruding portion 1312b is fixed to the supporting member 132 by the locking portion 1312c, thereby realizing rapid installation of the reflecting mirror 131, improving the installation efficiency of the reflecting mirror 131, and simultaneously, by providing the installation hole 134 and inserting the installation body 1312 with the lens 1311 installed therein into the installation hole 134, so that the reflecting mirror 131 is embedded and installed to the wall of the through hole 133, so as to reduce the inner space of the through hole 133 occupied by the reflecting mirror 131.

Referring to fig. 3, in some embodiments, the mirrors 131 are multiple groups, and the multiple groups of mirrors 131 are circumferentially spaced about the axis of the through hole 133.

Thus, by arranging the plurality of groups of reflectors 131, the laser beams emitted by the laser mechanism 12 are respectively emitted to the corresponding reflectors 131, and each group of reflectors 131 deflects the corresponding laser beams to different positions on the wall of the hole 21 to be processed, so that the simultaneous laser blacking processing of different positions on the wall of the hole 21 to be processed is realized, and the processing efficiency of the hole 21 to be processed on the workpiece 20 is improved.

Referring to fig. 2, in some embodiments, the laser mechanism 12 includes a laser 121, an optical path reflection component 122 and a galvanometer component 123, the laser 121 is used for emitting a laser beam, the optical path reflection component 122 is connected to the carrying mechanism 11 and is used for transferring the laser beam emitted by the laser 121, and the galvanometer component 123 is connected to the optical path reflection component 122 and is used for reflecting the laser beam transferred by the optical path reflection component 122, so that the laser beam is deflected to a preset angle along a first direction or based on the first direction and is emitted.

In this embodiment, the galvanometer assembly 123 is a three-dimensional zoom galvanometer, and the laser 121 and the optical path reflection assembly 122 are conventional components.

In this way, the laser 121 emits the laser beam to the optical path reflection assembly 122, the optical path of the laser beam is deflected to the galvanometer assembly 123 by the optical path reflection assembly 122, and the working distance of the laser beam is adjusted by the galvanometer assembly 123, so that the laser beam irradiates and focuses on the hole 21 to be processed on the workpiece 20, the workpiece 20 with the holes 21 to be processed at different heights can be processed by the laser mechanism 12 conveniently, and the applicability of the laser mechanism 12 is improved.

Referring to fig. 2, in some embodiments, the laser processing apparatus 10 further includes a visual positioning mechanism 14 for acquiring the position information of the hole 21 to be processed on the workpiece 20, and making the laser mechanism 12 and the reflection mechanism 13 process the hole wall of the hole 21 to be processed on the workpiece 20 based on the position information.

Thus, the visual positioning mechanism 14 is used for realizing visual positioning of the hole 21 to be processed on the workpiece 20, and the laser mechanism 12 processes the hole wall of the workpiece 20 according to the position information of the hole 21 to be processed on the workpiece 20 acquired by the visual positioning mechanism 14, so that the processing precision of the laser mechanism 12 is higher, and the processing efficiency of the laser processing device 10 is improved.

Referring to fig. 2, in some embodiments, the visual positioning mechanism 14 includes a visual camera 141 and a reflective beam combining lens 142, the visual camera 141 is disposed along a second direction perpendicular to the first direction and is formed with an optical path extending along the second direction, and is connected to the carrying mechanism 11 for photographing and positioning a position of the hole 21 to be processed on the workpiece 20 and obtaining position information, the reflective beam combining lens 142 is disposed obliquely along the first direction and toward the second direction, and is disposed between the laser mechanism 12 and the support 132 and is connected to the carrying mechanism 11, and the reflective beam combining lens 142 is disposed at intervals along the second direction in the visual camera 141 for adjusting the optical path of the visual camera 141 from the second direction to the first direction.

In this way, the light path of the vision camera 141 is deflected from the second direction to the first direction by the reflecting beam combining lens 142, so that the vision camera 141 does not need to be installed along the first direction, the vision camera 141 can perform vision positioning on the workpiece 20 on the basis of not shielding the laser beam emitted by the laser mechanism 12, and the flexibility of the installation position of the vision camera 141 is improved.

Referring to fig. 5, in some embodiments, the reflective beam combining lens 142 includes a lens body 1421 and a fixing body 1422, the lens body 1421 is used for transmitting and irradiating the laser beam emitted by the laser mechanism 12 to the workpiece 20, one end of the fixing body 1422 is detachably connected to the lens body 1421, and the other end of the fixing body 1422 is connected to the carrying mechanism 11. In this embodiment, the mirror body is a beam combining mirror, and a reflective coating is disposed on a side of the beam combining mirror facing the vision camera 141, and the reflective coating is used for deflecting the light path of the vision camera 141.

In this way, the laser beam emitted by the laser mechanism 12 along the first direction is injected from one side of the reflective beam combiner 142, the reflective beam combiner 142 combines the laser beams so as to process the surface or the bottom wall of the hole 21 to be processed, and meanwhile, the reflective beam combiner 142 also deflects the optical path of the vision camera 141 so as to position the workpiece 20 by the vision camera 141, and the fixing body 1422 is detachably connected between the reflective beam combiners 142 so as to detach and replace the reflective beam combiner 142.

Referring to fig. 5, in some embodiments, the fixing body 1422 includes a fixing rod 1422a, a first supporting portion 1422b and a second supporting portion 1422c, the fixing rod 1422a extends along a third direction, the other end of the fixing rod 1422a is connected to the carrying mechanism 11, the first supporting portion 1422b is connected to one end of the fixing rod 1422a, the second supporting portion 1422c and the first supporting portion 1422b are spaced apart and respectively supported on opposite sides of the mirror body 1421, and the second supporting portion 1422c is detachably connected to one end of the fixing rod 1422 a; the third direction is perpendicular to the first direction and the second direction.

In this way, the first supporting portion 1422b is fixedly connected with the fixing rod 1422a, and the second supporting portion 1422c is detachably connected with the fixing rod 1422a, so that the first supporting portion 1422b and the second supporting portion 1422c are respectively clamped on two opposite sides of the mirror body 1421, and then the second supporting portion 1422c is mounted on the fixing rod 1422a, so that the installation of the mirror body 1421 is convenient and quick, and the installation efficiency of the mirror body 1421 is improved.

Referring to fig. 2, in some embodiments, the carrying mechanism 11 includes a carrying frame 111 and a carrying plate 112, the carrying frame 111 is erected along a first direction, one end of the carrying frame 111 is connected to a supporting member 132, and the carrying plate 112 is vertically connected to the other end of the carrying frame 111 for carrying the laser mechanism 12.

Thus, by connecting the supporting member 132 to one end of the carrier 111, connecting the other end of the carrier 111 to the carrier 112, and mounting the laser mechanism 12 on the carrier 112, the distance between the supporting member 132 and the laser mechanism 12 in the first direction is formed, and the supporting member 132 and the laser workpiece 20 can be stably supported, so that the carrier 11 is simple in structure and can stably support the supporting member 132 and the laser mechanism 12.

The operation of the laser processing apparatus 10 is substantially as follows:

firstly, placing a workpiece 20 below a support 132, obtaining position information of a hole 21 to be machined on the workpiece 20 through a visual camera 141, and positioning the hole 21 to be machined according to the position information of the hole 21 to be machined;

then, the laser mechanism 12 emits a laser beam in a first direction to process the surface or bottom surface of the hole 21 to be processed;

finally, the laser mechanism deflects the laser beam to a preset angle based on the first direction and irradiates the laser beam on the reflecting mirror 131, and the reflecting mirror 131 reflects the laser beam deflected to the preset angle based on the first direction to the hole wall of the hole 21 to be processed, so that the hole wall of the hole 21 to be processed is processed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A laser processing apparatus, comprising:

a carrying mechanism;

2. The laser processing apparatus of claim 1, wherein the mirror comprises:

the mounting body is detachably connected to the hole wall of the through hole;

3. A laser processing apparatus as set forth in claim 1, wherein,

the preset angle ranges from 0 DEG to 30 deg.

4. The laser processing apparatus according to claim 2, wherein a wall of the through hole is provided with a mounting hole penetrating through the inside and outside of the support member in a direction perpendicular to the first direction, the mounting body comprising:

5. A laser processing apparatus as set forth in claim 1, wherein,

the reflectors are arranged in a plurality of groups, and the reflectors are circumferentially arranged at intervals by taking the axis of the through hole as the shaft.

6. The laser processing apparatus of claim 4, wherein the laser mechanism comprises:

a laser for emitting a laser beam;

7. The laser processing apparatus of claim 1, further comprising a visual positioning mechanism, the visual positioning mechanism comprising:

8. The laser processing apparatus of claim 7, wherein the reflective beam combiner comprises:

a mirror body for transmitting and irradiating the laser beam emitted by the laser mechanism to the workpiece;

9. The laser processing apparatus of claim 8, wherein the fixture comprises:

the first supporting part is connected to one end of the fixed rod;

10. The laser processing apparatus of claim 1, wherein the carrying mechanism comprises: