CN211162460U

CN211162460U - Laser processing apparatus

Info

Publication number: CN211162460U
Application number: CN202021068264.8U
Authority: CN
Inventors: 唐光富
Original assignee: Foshan Fulan Laser Technology Co ltd
Current assignee: Foshan Fulan Laser Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-08-04
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses a laser processing device, which comprises a laser processing mechanism and a machine table, wherein the laser processing mechanism comprises a driving mechanism and a laser generator, and the driving mechanism is in driving connection with the laser generator to drive the laser generator to horizontally translate, vertically lift and rotate around a horizontal shaft; centering clamping machine constructs including rotary drive and clamping subassembly, the clamping subassembly includes the revolving stage, slider and drive structure, the revolving stage has first rotation axis, rotary drive revolving stage rotates around first rotation axis, every slider all with revolving stage sliding connection and along the radial back and forth slip of revolving stage, all be equipped with the convex fixture block that makes progress on every slider, drive structure and each slider all drive connection, drive each slider and be close to or keep away from first rotation axis simultaneously. Utilize the utility model discloses a laser beam machining equipment carries out laser beam machining on the specific position of surface of revolution, can form specific pattern, has improved the efficiency of processing widely.

Description

Laser processing apparatus

Technical Field

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

Background

When material needs to be removed at a specific position on the surface of revolution, the traditional method is realized by etching. For example, in the process of manufacturing a globe, longitude and latitude lines need to be formed on the surface of a spherical main body, in the conventional mode, firstly, a domain needs to be covered on the surface of the globe, the domain is used as positioning, etching liquid is brushed on the surface of the spherical main body according to marks on the domain, so that the longitude and latitude lines are formed on the surface of the spherical main body, or when a thin-walled spherical shell needs to be hollowed to form a light-transmitting area, the etching is also realized by using the domain. By adopting the mode, a specific domain needs to be manufactured, and the efficiency is low because etching liquid needs to be waited for corroding the spherical shell.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

The utility model provides a laser processing mechanism, the laser processing mechanism includes actuating mechanism and laser generator, actuating mechanism with the laser generator drive is connected, drives laser generator horizontal translation, vertical lift and around horizontal rotation of axle;

Centering clamping machine constructs, centering clamping machine constructs including rotary drive and clamping subassembly, the clamping subassembly includes revolving stage, slider and drive structure, the revolving stage has first rotation axis, rotary drive revolving stage winds first rotation axis rotates, the quantity of slider is more than two, every the slider all with revolving stage sliding connection and follow the radial back and forth slip of revolving stage, every all be equipped with the convex fixture block that makes progress on the slider, drive structure and each the equal drive connection of slider drives each the slider is close to simultaneously or keeps away from first rotation axis.

The utility model provides a laser processing equipment has following beneficial effect at least: during the use, the work piece of peripheral hardware is placed on centering clamping machine constructs, and drive structure drives the slider and keeps away from or be close to each other, utilizes fixture block chucking work piece and makes work piece and revolving stage centering, drives laser generator horizontal translation, vertical lift and around horizontal rotation of axes through setting up actuating mechanism, can make laser generator's process range cover the whole surface of work piece almost, utilizes the utility model discloses a laser beam machining equipment can carry out laser beam machining on the particular position of surface of gyration, processes specific region, has improved the efficiency of processing widely.

The utility model discloses can be used to the laser beam machining of surface of revolution, but not only be limited to this, also can be applied to plane laser beam machining. The specific application form of the laser processing can be cutting, carving, hollowing and the like. Centering means that the central axis of the workpiece is coaxial with the first axis of rotation. The revolution surface may be a cylindrical surface, a spherical surface, or the like, or may be an outer surface of a top-shaped object, an outer surface of a gourd-shaped object, an outer surface of an olive-shaped object, or the like.

The clamping block is used for clamping the workpiece, specifically, the clamping block can be abutted against the outer side surface of the workpiece, and the clamping block has the characteristics of convenience in clamping and wide application range; or the clamping block is abutted against the inner side surface of the workpiece, the inner side surface is abutted, so that the advantage of avoiding shielding the outer side surface of the workpiece is achieved, the outer side surface of the workpiece is not limited by clamping when laser processing is carried out on the outer side surface of the workpiece, and the processing of the whole outer surface of the workpiece is not required to be realized through multiple times of clamping.

Some that appear among the prior art can realize carrying out laser beam machining's equipment to the spheroid, its laser generator's angle all is not adjustable, it is mainly processed through the rotation of drive spheroid, if need be when the continuous pattern of position processing of the nearly edge of spheroid, because the great rapider of curvature change of spheroid border position, when processing continuous pattern toward spheroid border position, in order to adapt to the surface of spheroid border position, laser generator's focus, output, speed all need the regulation of high accuracy to realize anticipated effect. Compared with the prior art, because this technical scheme, laser generator's position and angle all can realize adjusting, can be through the position of adjustment laser generator for laser generator is adding man-hour, and laser generator's optical axis is directional spheroid's center all the time, thereby when processing continuous pattern to the sphere, the range curvature change that the pattern covered is less gentler, has reduced laser beam machining's required precision.

As a sub-scheme of the above technical solution, the driving mechanism includes a lifting mechanism, a traversing mechanism, and a rotating mechanism, the lifting mechanism is connected to the machine platform, the lifting mechanism is connected to the traversing mechanism, the traversing mechanism is connected to the rotating mechanism, and the laser generator is connected to the rotating mechanism. The rotary driving device drives the rotary table to rotate, and the position and the angle of the laser generator are adjusted by matching with the lifting mechanism, the transverse moving mechanism and the rotating mechanism, so that the laser generator can be adjusted flexibly.

As a sub-scheme of the above technical scheme, a sliding chute extending along a radial direction is arranged on the turntable, the upper side of the sliding chute is communicated with the space above the turntable, each sliding block is respectively connected with the corresponding sliding chute in a sliding manner, the bottom of the turntable is also provided with a mounting hole, the upper part of the mounting hole is communicated with the sliding chute, the lower side of each sliding block is provided with a transmission block, and each transmission block is located in the mounting hole; the driving structure comprises a driving disc and a transmission block; the driving disc is positioned in the mounting hole, the driving disc and the rotary table are coaxially arranged, a vortex groove is formed in the side face, close to the sliding groove, of the driving disc, and each transmission block extends into the vortex groove and is in sliding connection with the vortex groove. Therefore, when the driving disc rotates, the spiral groove rotates to drive the transmission block to move, the transmission block is limited to move along the sliding groove due to the fact that the sliding blocks move along the sliding groove, and the transmission block can only move back and forth along the sliding groove, so that when the driving disc rotates, the sliding blocks can be driven to be far away from or close to the first rotation axis at the same time, and clamping of workpieces is achieved.

As some sub-schemes of the above technical scheme, the lower side of the driving disc is provided with driving teeth arranged along the circumferential direction of the driving disc, the side wall of the turntable is provided with a first through hole extending along the radial direction of the turntable, the mounting hole is communicated with the outer space of the mounting hole through the first through hole, the driving structure further comprises a driving block, the driving block is rotatably arranged in the first through hole, one side of the driving block extends to the driving teeth and is provided with the driving teeth, and the driving teeth are meshed with the driving teeth.

As a sub-scheme of the above technical solution, each of the sliding blocks includes a sliding track, extending lines of the sliding tracks of the sliding blocks intersect to define a central point, distances between the clamping blocks and the central point are the same, and the driving structure is in driving connection with each of the sliding blocks to drive each of the sliding blocks to simultaneously approach or leave the central point. Therefore, when each sliding block slides, the workpiece is centered and clamped by taking the central point as the center.

As a sub-scheme of the above technical scheme, the clamping assembly is a three-jaw chuck. The three-jaw chuck is a conventional part in the mechanical field, and the three-jaw chuck has the advantage of simple configuration.

As a sub-solution to the above solution, the latch is disposed at an end of the slider close to the first rotation axis. The fixture blocks are arranged at one end, close to the first rotating axis, of the sliding block, so that the distance between the fixture blocks is small, and when clamping is achieved by means of abutting of the outer surfaces of the fixture blocks and the holes of the workpiece, requirements for the sizes of the holes can be reduced.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a schematic structural view of the present invention;

Fig. 2 is the structure schematic diagram of the utility model with a part of the frame hidden.

In the drawings: 100-a machine platform; 200-a lifting mechanism; 300-a traversing mechanism; 400-a rotation mechanism; 500-a laser generator; 600-centering and clamping mechanism; 610-a turntable; 620-a slider; 621-fixture block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of terms means an indefinite amount, and a plurality of terms means two or more, and the terms greater than, less than, exceeding, etc. are understood to include no essential numbers, and the terms greater than, less than, within, etc. are understood to include essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, if there is a phrase containing a plurality of parallel features, the phrase defined therein is the closest feature, for example: b, C disposed on A, E connected to D, B disposed on A, E connected to D, C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, and if it is B, C, D, it indicates that both B, C and D are located on a.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, the laser processing apparatus includes a machine table 100, and further includes: the laser processing mechanism comprises a driving mechanism and a laser generator 500, and the driving mechanism is in driving connection with the laser generator 500 and drives the laser generator 500 to horizontally translate, vertically lift and rotate around a horizontal shaft;

Centering clamping mechanism 600 includes rotary drive and clamping subassembly, the clamping subassembly includes revolving stage 610, slider 620 and drive structure (not shown in the figure), revolving stage 610 has first rotation axis, rotary drive revolving stage 610 winds first rotation axis rotates, the quantity of slider 620 is more than two, every slider 620 all with revolving stage 610 sliding connection and follow revolving stage 610's radial make a round trip to slide, every all be equipped with convex fixture block 621 that makes progress on the slider 620, drive structure and each the equal drive of slider 620 is connected, drives each slider 620 is close to simultaneously or keeps away from first rotation axis.

During the use, the work piece of peripheral hardware is placed on centering clamping machine structure 600, and drive structure drives slider 620 and keeps away from each other, utilizes fixture block 621 chucking work piece, makes work piece and revolving stage 610 keep fixed, and it is rotatory through rotary drive device drive revolving stage 610, and cooperation elevating system 200, sideslip mechanism 300, rotary mechanism 400 adjust laser generator 500's position and angle, can make laser generator 500 adjust in a flexible way, can make laser generator 500's process range cover the whole surface of work piece almost, utilize the utility model discloses a laser processing equipment can carry out laser beam machining on the specific position of surface of gyration, forms specific pattern, has improved the efficiency of processing widely.

The driving mechanism comprises a lifting mechanism 200, a transverse moving mechanism 300 and a rotating mechanism 400, wherein the lifting mechanism 200 is connected with the machine table 100, the lifting mechanism 200 is in driving connection with the transverse moving mechanism 300, the transverse moving mechanism 300 is in driving connection with the rotating mechanism 400, and the laser generator 500 is in driving connection with the rotating mechanism 400. The rotary driving device drives the rotary table 610 to rotate, and the lifting mechanism 200, the transverse moving mechanism 300 and the rotating mechanism 400 are matched to adjust the position and the angle of the laser generator 500, so that the laser generator 500 can be flexibly adjusted.

Specifically, in the present embodiment, the lifting mechanism 200 and the traversing mechanism 300 may be linear motion mechanisms such as a linear module and a screw-nut mechanism driven by a motor. The lifting mechanism 200 is vertical to the top of the machine 100 and extends upwards, the traverse mechanism 300 is horizontally connected with the lifting platform of the lifting mechanism 200, the rotating mechanism 400 extends forwards on the sliding plate of the traverse mechanism 300, and the laser generator 500 is fixed on the rotating output end of the rotating mechanism 400. The rotation driving device is specifically installed below the turntable 610, and the rotation mechanism 400 and the rotation driving device may both employ a servo motor, a stepping motor, or the like.

Specifically, the latch 621 is disposed at one end of the slider 620 close to the first rotation axis. The fixture blocks 621 are arranged at one end of the sliding block 620 close to the first rotation axis, so that the distance between the fixture blocks 621 is small, and when clamping is realized by abutting the outer surfaces of the fixture blocks 621 with holes of workpieces, the requirement on the size of the hole diameter can be reduced.

The clamping block 621 clamps the workpiece, specifically, the clamping block 621 can abut against the outer side surface of the workpiece, and the clamping block 621 has the characteristics of convenience in clamping and wide application range; or, the form that makes fixture block 621 and the medial surface of work piece butt, the form that adopts the medial surface butt then has the advantage that can avoid shielding the work piece lateral surface, carries out laser beam machining to the lateral surface of work piece, can not receive the restriction of clamping, need not realize the processing to the whole surface of work piece through clamping many times.

Some of the equipment that can realize carrying out laser beam machining to the spheroid that appear among the prior art, its laser generator 500's angle all is not adjustable, and it is mainly processed through the rotation of drive spheroid, if need be when processing continuous pattern to the position that is close to the edge of spheroid, because the curvature change of spheroid border position is great very fast, when processing continuous pattern toward spheroid border position, in order to adapt to the surface of spheroid border position, laser generator 500's focus, output, speed all need the regulation of high accuracy to realize anticipated effect. Compared with the prior art, because this technical scheme, laser generator 500's position and angle all can realize adjusting, can be through the position of adjusting laser generator 500 for laser generator 500's optical axis is directional spheroid's center all the time, thereby when processing continuous pattern to the sphere, the range curvature change that the pattern covered is less gentler, has reduced laser beam machining's required precision. Furthermore, the present invention focuses on adjusting the position and angle of the laser generator 500, while the prior art solutions focus on adjusting the workpiece, which will become very high for the power requirement of the driving device when the weight of the workpiece is large.

Specifically, a sliding groove extending along the radial direction is formed in the rotary table 610, the upper side of the sliding groove is communicated with the space above the rotary table 610, each sliding block 620 is connected with the corresponding sliding groove in a sliding manner, a mounting hole is further formed in the bottom of the rotary table 610, the upper portion of the mounting hole is communicated with the sliding groove, a transmission block is arranged on the lower side of each sliding block 620, and each transmission block is located in the mounting hole; the driving structure comprises a driving disc and a transmission block; the driving disc is located in the mounting hole, the driving disc and the rotary table 610 are coaxially arranged, a vortex groove is formed in the side face, close to the sliding groove, of the driving disc, and each transmission block extends into the vortex groove and is in sliding connection with the vortex groove. Therefore, when the driving disc rotates, the transmission block is driven to move by the rotation of the spiral groove, and the sliding blocks 620 move along the sliding grooves, so that the transmission block is limited to move back and forth only along the sliding grooves, and therefore when the driving disc rotates, the sliding blocks 620 can be driven to be away from or close to the first rotation axis at the same time, and clamping of workpieces is achieved.

Further, the downside of driving-disc is equipped with along the driving cog that the circumference of driving-disc was arranged, be provided with on the lateral wall of revolving stage 610 along the radial first through-hole that extends of revolving stage 610, the mounting hole passes through first through-hole with the exterior space intercommunication of mounting hole, drive structure still includes the drive block, the drive block is rotationally located in the first through-hole, one side of drive block stretch to the driving cog is provided with the driving cog, the driving cog with the driving cog meshing. Through rotating the driving block, utilize driving tooth and driving tooth can drive the driving-disc and rotate to the position that realizes adjusting slider 620 presss from both sides tightly or loosens the work piece. The driving block is rotated, a transmission groove can be formed in one side, close to the outer space of the first through hole, of the driving block, the transmission groove can be a square groove, a cross groove, a hexagonal groove and the like in specific forms, the driving of the transmission groove is achieved through a peripheral driving rod, a transmission convex block matched with the transmission groove in shape is arranged at the end of the driving rod, and the driving block can be rotated by rotating the driving rod after the transmission convex block extends into the transmission groove. Or a rotating shaft driven by the driving device is arranged and fixedly connected with the driving block.

In some embodiments, the clamping assembly is a three-jaw chuck. The three-jaw chuck is a conventional part in the mechanical field, and the three-jaw chuck has the advantage of simple configuration.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments, but is capable of various changes and modifications without departing from the spirit of the invention.

Claims

1. Laser beam machining equipment, including board (100), its characterized in that: further comprising:

The laser processing mechanism comprises a driving mechanism and a laser generator (500), and the driving mechanism is in driving connection with the laser generator (500) and drives the laser generator (500) to horizontally translate, vertically lift and rotate around a horizontal shaft;

Centering clamping machine constructs (600), centering clamping machine constructs (600) including rotary drive and clamping subassembly, the clamping subassembly includes revolving stage (610), slider (620) and drive structure, revolving stage (610) have first rotation axis, rotary drive revolving stage (610) wind first rotation axis rotates, the quantity of slider (620) is more than two, every slider (620) all with revolving stage (610) sliding connection and edge the radial round trip slip of revolving stage (610), every all be equipped with convex fixture block (621) that makes progress on slider (620), drive structure and each slider (620) all drive connection drives, drives each slider (620) is close to simultaneously or keeps away from first rotation axis.

2. The laser processing apparatus according to claim 1, wherein: the driving mechanism comprises a lifting mechanism (200), a transverse moving mechanism (300) and a rotating mechanism (400), the lifting mechanism (200) is connected with the machine table (100), the lifting mechanism (200) is in driving connection with the transverse moving mechanism (300), the transverse moving mechanism (300) is in driving connection with the rotating mechanism (400), and the laser generator (500) is in driving connection with the rotating mechanism (400).

3. The laser processing apparatus according to claim 1, wherein: the direction of the rotary table (610) pointing to the laser generator (500) is taken as the upward direction, sliding grooves extending along the radial direction are formed in the rotary table (610), the upper sides of the sliding grooves are communicated with the space above the rotary table (610), each sliding block (620) is connected with the corresponding sliding groove in a sliding mode, a mounting hole is further formed in the bottom of the rotary table (610), the upper portion of the mounting hole is communicated with the sliding grooves, a transmission block is arranged on the lower side of each sliding block (620), and each transmission block is located in the mounting hole;

The driving structure comprises a driving disc, the driving disc is located in the mounting hole and is coaxially arranged with the rotary table (610), a vortex groove is formed in the side face, close to the sliding groove, of the driving disc, and each driving block extends into the vortex groove and is in sliding connection with the vortex groove.

4. The laser processing apparatus according to claim 3, wherein: the downside of driving-disc is equipped with along the driving cog that the circumference of driving-disc was arranged, be provided with on the lateral wall of revolving stage (610) along the first through-hole of the radial extension of revolving stage (610), the mounting hole passes through first through-hole with the exterior space intercommunication of mounting hole, drive structure still includes the drive block, the drive block is rotationally located in the first through-hole, one side of drive block stretch to the driving cog is provided with the driving cog, the driving cog with the driving cog meshing.

5. The laser processing apparatus according to claim 1, wherein: the clamping assembly is a three-jaw chuck.

6. The laser processing apparatus according to claim 1, wherein: the latch (621) is disposed at an end of the slider (620) near the first rotation axis.