CN218311440U - Laser processing structure - Google Patents

Abstract

The utility model discloses a laser beam machining structure, including backplate, the support of setting on the Z axle linear actuator on the backplate, set up the speculum on the support and shake the mirror module, set up the laser transmission subassembly in speculum top, set up the vision camera on one side at the support, laser loops through laser transmission subassembly, speculum and shakes and the mirror module back is vertical jets out downwards. The utility model provides a laser beam machining structure is through installing the dust absorption casing on the backplate for the work piece is adding man-hour and is being located the dust absorption casing under, and make the vertical dust absorption mouth that passes of laser cut the work piece ingeniously, and laser can not produce with the dust absorption casing and interfere. In addition, air draft in the dust absorption shell forms a negative pressure state, and raised dust and cuttings are sucked into the dust absorption shell in a short distance through the dust absorption port, so that the outward diffusion of the raised dust and the cuttings is effectively reduced.

Description

Laser processing structure

Technical Field

The utility model relates to a laser beam machining technical field, in particular to laser beam machining structure.

Background

The diamond drill bit consists of a bit body and multi-blade special-shaped teeth (namely special-shaped PDC cutting teeth) arranged on blades of the bit body, and the special-shaped PDC cutting teeth have the unique advantages of being widely applied to the field of oil and gas drilling.

Because the hardness of the special-shaped teeth is higher, the traditional grinding mode has low processing efficiency and is difficult to process open concave shapes and special-shaped chamfers, so that laser engraving processing is carried out at present, and the processing efficiency is improved. A large amount of dust and cuttings are generated in the laser processing process, and the dust and the cuttings are easy to diffuse outwards and pollute the workshop environment. The prior art can set up convulsions dust removal structure on the lathe generally, but is too far away from the work piece, and dust removal effect is not good, so have need install convulsions dust removal structure additional on laser beam machining structure, closely convulsions are removed dust, reduce raise dust and smear metal outdiffusion better.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the utility model is to provide a laser processing structure aims at the laser beam machining in-process, carries out closely convulsions to the work piece and removes dust.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a laser beam machining structure, includes the backplate, set up support on the Z axle linear actuator on the backplate, set up speculum and the mirror module that shakes on the support, set up laser transmission subassembly in the speculum top, set up the vision camera on one side at the support, laser loops through laser transmission subassembly, speculum and shakes and is shot out vertically down behind the mirror module, be provided with the dust absorption casing that is located the mirror module below that shakes on the backplate, be provided with the dust absorption mouth that supplies laser to pass on the dust absorption casing, the vision camera is used for discerning the work piece position.

As a further improvement of the technical scheme, the dust suction shell comprises a hollow suction head, a flow guide body and a negative pressure connector arranged on the flow guide body, and the dust suction opening is formed in the suction head and vertically penetrates through the center of the suction head.

As a further improvement of the above technical scheme, the flow conductor is in a slope shape, the lowest part of the flow conductor is connected with the suction head, the highest part of the flow conductor is provided with a vertical hanging plate, and the hanging plate is provided with at least two vertically extending elongated holes.

As a further improvement of the above technical solution, the bracket includes a first enclosure and a second enclosure, the galvanometer module is fixed on the first enclosure, and the reflector is fixed inside the second enclosure.

As a further improvement of the technical scheme, the first enclosing body comprises a vertical enclosing plate and two side enclosing plates, the vertical enclosing plate is connected with the Z-axis linear driver, and the vertical enclosing plate and the two side enclosing plates surround the side face of the vibrating mirror module and are connected with the vibrating mirror module through screws.

As a further improvement of the technical scheme, the second enclosure is of a box structure, and a laser transmission protection assembly is arranged above the second enclosure.

As a further improvement of the above technical solution, the laser transmission protection assembly includes a first protection tube disposed at the top of the second enclosure and a second protection tube disposed at the bottom of the laser transmission assembly, wherein the diameter of the second protection tube is greater than that of the first protection tube, and the first protection tube extends into the second protection tube.

Has the beneficial effects that:

compared with the prior art, the utility model provides a laser beam machining structure is through installing the dust absorption casing on the backplate for the work piece is being located the dust absorption casing under adding man-hour, and makes laser vertical pass the dust absorption mouth and cut the work piece ingeniously, and laser can not produce with the dust absorption casing and interfere. In addition, the suction in the dust suction shell forms a negative pressure state, and the raised dust and the cuttings are sucked into the dust suction shell in a short distance through the dust suction port, so that the outward diffusion of the raised dust and the cuttings is effectively reduced.

Drawings

Fig. 1 is a perspective view of the laser processing structure provided by the present invention.

Fig. 2 a first perspective view of a laser processing structure provided on a machine tool.

Fig. 3 is a second perspective view of the laser processing structure provided on the machine tool.

Fig. 4 is a perspective view of the dust collection housing of the laser processing structure provided by the present invention.

Description of the main element symbols: the device comprises a 1-back plate, a 2-Z axis linear driver, a 3-support, a 31-first enclosure, a 32-second enclosure, a 4-galvanometer module, a 5-laser transmission assembly, a 6-vision camera, a 60-camera frame, a 7-dust suction shell, a 70-dust suction port, a 71-suction head, a 72-flow guide body, a 73-negative pressure joint, a 74-hanging plate, a 741-elongated hole, an 8-laser transmission protection assembly, a 81-first protection pipe and a 82-second protection pipe.

Detailed Description

The utility model provides a laser beam machining structure, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the embodiment is lifted to follow with reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are only for illustrating the present invention and are not intended to limit the scope of the present invention.

Please refer to fig. 1 to 3, the utility model provides a laser processing structure, including fixing backplate 1 on lathe 91, setting up support 3 on Z axle linear actuator 2 on backplate 1, setting up speculum and the mirror module 4 that shakes on support 3, setting up laser transmission assembly 5 in the speculum top, setting up the vision camera 6 on one side at support 3, laser loops through laser transmission assembly 5, speculum (invisible in the figure) and shakes vertical jet out down behind the mirror module 4, be provided with the dust absorption casing 7 that is located mirror module 4 below that shakes on backplate 1, be provided with the dust absorption mouth 70 that supplies laser to pass on the dust absorption casing 7, vision camera 6 is used for discerning the work piece position.

Before processing, a plurality of workpieces 93 are installed on the positioning tool 92 by a worker, the positioning tool 92 is moved to a set shooting and scanning area by the translation mechanism 94, then the focal length is automatically adjusted by the vision camera 6, the shape and the position of each workpiece are automatically identified, then the workpiece to be processed on the positioning tool 92 is moved to the center of a laser focus by the translation mechanism 94, finally, after laser is generated by the laser generator, the laser is transmitted through the laser transmission assembly 5 and the reflector, and then the laser is emitted by the galvanometer module 4 to perform layered cutting on the workpieces. In the laser processing process, the workpiece 93 is positioned under the dust suction shell 7, so that the laser passes through the dust suction port 70 vertically to cut the workpiece skillfully, and the laser cannot interfere with the dust suction shell 7. Because the dust collection shell 7 is connected with the dust collector through a pipeline, a negative pressure state is formed in the dust collection shell 7, raised dust and cutting chips are sucked into the dust collection shell 7 in a close distance through the dust collection port 70, and the outward diffusion of the raised dust and the cutting chips is effectively reduced.

It should be understood that, when one workpiece is finished with laser cutting, the translation mechanism 94 drives the positioning tool 92 to return to the shooting scanning area, and the vision camera 6 shoots and identifies the workpiece on the positioning tool 92 again to continue laser processing the next workpiece. The control system can automatically control the Z-axis linear driver 2 to drive the bracket 3 and the laser parts on the bracket 3 to lift according to the processing requirements, thereby adjusting the focal length of the laser.

Specifically, referring to fig. 4, the dust suction housing 7 includes a hollow suction head 71, a flow guiding body 72, and a negative pressure joint 73 disposed on the flow guiding body 72, the dust suction port 70 is disposed on the suction head 71 and vertically penetrates through the center of the suction head 71, on one hand, laser can pass through the dust suction port, on the other hand, the negative pressure suction force of the suction head 71 concentrates on sucking dust and cuttings above and below the suction head 71, and the air draft dust removal effect is good.

In order to improve the suction effect above and outside the suction head, the suction head has at least one through-hole 76 in its upper surface, which is arranged away from the flow conductor 72.

Specifically, the flow guide body 72 is in a slope shape, the lowest position of the flow guide body 72 is connected with the suction head 71, and through the arrangement, the pressure intensity of the lowest position of the flow guide body 72 is highest, so that the negative pressure suction intensity in the suction head 71 can be improved.

Further, a vertical hanging plate 74 is arranged at the highest position of the flow guide body 72, and at least two vertically extending elongated holes 741 are formed in the hanging plate 74. The elongated hole 741 is a non-circular hole, and specifically may be a rectangular hole, a waist-shaped hole, a rounded rectangular hole, or the like. Install dust absorption casing 7 on backplate 1 through cooperation adjusting screw, when the height that needs changed dust absorption casing 7, loosen adjusting screw and adjust the position of dust absorption casing 7, then lock again can, it is comparatively convenient to adjust.

After the laser generator generates laser, the laser is transmitted to the upper part of the bracket 3 through the laser transmission assembly 5, and the laser transmission assembly 5 comprises a shell and a plurality of reflecting mirrors arranged in the shell. Of course, the laser light may also be transmitted using an optical fiber, and the laser light transmission assembly includes a housing and an optical fiber disposed in the housing.

Preferably, the support 3 includes a first enclosure 31 and a second enclosure 32, the galvanometer module 4 is fixed on the first enclosure 31, and the mirror is fixed inside the second enclosure 32.

Preferably, the first enclosure 31 includes a vertical enclosing plate and two side enclosing plates, the vertical enclosing plate is connected with the Z-axis linear driver 2, and the vertical enclosing plate and the two side enclosing plates surround the side surface of the galvanometer module 4 and are connected with the galvanometer module 4 through screws.

The second enclosure 32 is of a box structure, and a laser transmission protection assembly 8 is arranged above the second enclosure 32. The laser transmission protection component 8 ensures the safe transmission of laser between the laser transmission component 5 and the reflector so as to prevent external factors from influencing the normal transmission of the laser.

Preferably, the laser transmission protection assembly 8 includes a first protection tube 81 disposed on the top of the second enclosure 32 and a second protection tube 82 disposed on the bottom of the laser transmission assembly 5, wherein the diameter of the second protection tube 82 is greater than that of the first protection tube 81, and the first protection tube 81 extends into the second protection tube 82. After being transmitted by the laser transmission assembly 5, the laser is refracted to pass through the second protection pipe 82 and the first protection pipe 81 and then irradiates the reflector. In practical applications, the second protection tube 82 is stationary, and the first protection tube 81 can move up and down relative to the second protection tube 82 under the driving of the Z-axis linear actuator 2, but the laser is not exposed.

Preferably, the Z-axis linear actuator 2 is a vertically extending linear module. Of course, the Z-axis linear actuator 2 may also be an electric push rod, a screw mechanism, etc., which has the main effect of providing an output end of linear motion.

Preferably, the vision camera 6 is fixed on the bracket 3 through a camera frame 60, the vision camera 6 may be a 2D industrial camera or a 3D industrial camera, the 3D industrial camera has higher accuracy and image processing capability, the 2D industrial camera with high cost performance is preferred in this embodiment, and the brand selection may be keyence, conraday, and the like. The vision camera 6 has automatic positioning, automatic focusing, and optical scanning functions.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims (8)

1. The utility model provides a laser processing structure, its characterized in that, includes the backplate, set up support on the Z axle linear actuator on the backplate, set up speculum and the mirror module that shakes on the support, set up the laser transmission subassembly in the speculum top, set up the vision camera on one side at the support, and laser loops through laser transmission subassembly, speculum and shakes and vertically jets out downwards behind the mirror module, be provided with the dust absorption casing that is located the mirror module below that shakes on the backplate, be provided with the dust absorption mouth that supplies laser to pass on the dust absorption casing, the vision camera is used for discerning the work piece position.

2. The laser processing structure as claimed in claim 1, wherein the dust suction housing comprises a hollow suction head and a flow guide body, and a negative pressure joint is arranged on the flow guide body, and the dust suction opening is formed in the suction head and vertically penetrates through the center of the suction head.

3. The laser processing structure of claim 2, wherein the flow guiding body is in a slope shape, the lowest part of the flow guiding body is connected with the suction head, a vertical hanging plate is arranged at the highest part of the flow guiding body, and at least two vertically extending elongated holes are formed in the hanging plate.

4. The laser processing structure of claim 1, wherein the support comprises a first enclosure and a second enclosure, the galvanometer module is fixed on the first enclosure, and the reflector is fixed inside the second enclosure.

5. The laser processing structure of claim 4, wherein the first enclosing body comprises a vertical enclosing plate and two side enclosing plates, the vertical enclosing plate is connected with the Z-axis linear driver, and the vertical enclosing plate and the two side enclosing plates surround the side face of the galvanometer module and are connected with the galvanometer module through screws.

6. The laser processing structure as claimed in claim 4, wherein the second enclosure is a box structure, and a laser transmission protection assembly is disposed above the second enclosure.

7. The laser processing structure as claimed in claim 6, wherein the laser transmission protection assembly comprises a first protection tube arranged at the top of the second enclosure and a second protection tube arranged at the bottom of the laser transmission assembly, the diameter of the second protection tube is larger than that of the first protection tube, and the first protection tube extends into the second protection tube.

8. The laser machining structure according to claim 1, wherein the Z-axis linear driver is a vertically extending linear module.

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