CN112692439A

CN112692439A - Dust-free laser engraving process

Info

Publication number: CN112692439A
Application number: CN202011517354.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-04-23

Abstract

The invention discloses a dust-free laser engraving process in the technical field of laser engraving, which comprises the following specific steps: the method comprises the following steps: the workpiece is loaded into the laser engraving equipment to realize automatic positioning; step two: starting laser engraving equipment to engrave the workpiece, and rotating the workpiece in the engraving process to realize omnibearing engraving; step three: after the carving is finished, taking out the workpiece from the laser carving equipment to finish the carving; according to the invention, when the workpiece is installed, the inner side wall of the workpiece is clamped and positioned by using the sealing cover, the workpiece can be rotatably carved without clamping two ends of the workpiece, the phenomenon that two ends of the workpiece cannot be carved is avoided, when the workpiece is installed, the workpiece is automatically clamped, two ends of the workpiece are not required to be manually clamped for multiple times, the workpiece loading time is saved, the working efficiency is improved, and in order to avoid the influence of the supporting roller on the carved side wall of the workpiece, the supporting roller is separated from the side wall of the workpiece when the workpiece is loaded, so that the completeness of the carved pattern is fully ensured.

Description

Dust-free laser engraving process

Technical Field

The invention relates to the field of laser engraving, in particular to a dust-free laser engraving process.

Background

The laser engraving processing is based on a numerical control technology, laser is used as a processing medium, and the processing material is instantly melted and gasified under the irradiation of laser engraving to achieve the purpose of processing.

Among cases based on laser engraving disclosed in the prior art, the chinese patent with patent application No. CN201710391515.2, a laser engraving machine, includes a machine body, a clamping device and debugging devices disposed at the front and rear sides of the clamping device and disposed correspondingly, a engraving base frame is disposed on the machine body between the clamping device and the rear debugging device, each debugging device is provided with a first sliding groove and a second sliding groove disposed correspondingly at left and right sides, a partition plate is disposed between the first sliding groove and the second sliding groove, supporting members are disposed in the first sliding groove and the second sliding groove, conical wheels disposed oppositely are disposed in the supporting members at left and right sides, a first sliding cavity is disposed through the machine body between the clamping device and the bottom of the clamping device, a sliding member is disposed in the first sliding cavity, and channels are disposed correspondingly at left and right sides of the top of the clamping device, a second sliding cavity is arranged in the sliding piece.

The invention discloses a Chinese patent with the patent application number of CN201811406538.7, a rotary fixture applied to laser engraving, which comprises a fixed base plate, wherein a positioning fixture and a supporting fixture are fixed on the fixed base plate, the positioning fixture comprises a positioning support fixed on the fixed base plate, a regular hexagon clamping seat is arranged on the upper side of the positioning support, a dial is formed on one side end face of the clamping seat, a dial is formed on the end face of the dial, which deviates from the clamping seat, a central shaft is formed on the end face of the dial, which deviates from the dial, the central shaft on the clamping seat is hinged on the positioning support, an outer frame body is formed on one side end face of the positioning support, which deviates from the clamping seat, a magnetic gauge stand opposite to the central shaft on the clamping seat is fixedly inserted in the outer frame body, and an arrow groove opposite to the dial is formed on one.

Carry out laser engraving to the work piece surface among the prior art, chuck clamping work piece is adopted mostly, the chuck is at the surface of clamping work piece, can lead to the part that the work piece both ends were blocked can't be carved, need to process the work piece many times, and clamping mechanism in addition utilizes card post clamping work piece lateral wall, can not fix a position the axial of work piece, the work piece can take place to remove when processing, lead to laser engraving to appear the deviation, and adopt the mode location work piece of chucking lateral wall, can wear and tear the region that has been processed, lead to the glyptic characters of part or the pattern that has carved to change, influence laser engraving's effect, and current laser engraving is when last, need loaded down with trivial details clamping work piece, seriously influence machining efficiency.

Based on the above, the invention designs a dust-free laser engraving process to solve the above problems.

Disclosure of Invention

The invention aims to provide a dust-free laser engraving process, which aims to solve the problems that in the prior art, a chuck is mostly adopted to clamp a workpiece when the surface of the workpiece is subjected to laser engraving, the chuck clamps the outer surface of the workpiece, so that clamped parts at two ends of the workpiece cannot be engraved and the workpiece needs to be processed for multiple times, and the clamping mechanism clamps the side wall of the workpiece by using the clamping column, can not position the axial direction of the workpiece, when in processing, the workpiece can move to cause deviation of laser engraving, and the workpiece is positioned by clamping the side wall, the processed area can be abraded, the engraved part of characters or patterns can be changed to influence the laser engraving effect, and when the existing laser engraving is used for loading, the complicated clamping of workpieces is needed, and the machining efficiency is seriously influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a dust-free laser engraving process comprises the following specific steps:

the method comprises the following steps: the workpiece is loaded into the laser engraving equipment to realize automatic positioning;

step two: starting laser engraving equipment to engrave a workpiece, and rotating the workpiece in the engraving process to realize omnibearing engraving;

step three: after the carving is finished, taking out the workpiece from the laser carving equipment to finish the carving;

the laser engraving equipment comprises a sealed shell, a feeding hole is formed in the left side wall of the sealed shell, a pipe fitting clamping device is connected between the inner walls of the sealed shell and used for fixing a pipe fitting and driving the pipe fitting to rotate, a pipe fitting feeding supporting device is connected to the bottom of the inner wall of the sealed shell, and the pipe fitting feeding supporting device is extruded by the pipe fitting clamping device in the pipe fitting rotating machining process and cancels pipe fitting supporting;

the pipe fitting clamping device comprises a sealing cover, the sealing cover is in sliding contact with the inner wall of a feeding hole, a support ring is fixedly connected to the inner side wall of the sealing cover, a pulling handle is fixedly connected to the left side wall of the sealing cover, L-shaped positioning blocks are fixedly connected to the front side wall and the rear side wall of the sealing cover, two rectangular connecting blocks are fixedly connected to the left side wall of the sealing shell, first grooves for the L-shaped positioning blocks to slide are formed in the two rectangular connecting blocks, a laser is connected to the top of the inner side of the sealing shell through a two-axis transverse moving mechanism, the two-axis transverse moving mechanism is used for driving the laser to move longitudinally and transversely, a first motor is fixedly connected to the right side wall of the sealing shell, a first rotating shaft is fixedly connected to an output shaft of the first motor, and the left end of the first rotating, the upper and lower positions in the rotating disc are respectively provided with a first sliding chute, the inner walls of the two first sliding chutes are respectively connected with a first sliding block in a sliding manner, the left ends of the two first sliding blocks are respectively fixedly connected with an arc-shaped clamping jaw, the left side wall of the rotating disc is connected with an adjusting ring in a rotating manner, the bottom of the adjusting ring is fixedly connected with the lower bottom surface in the sealing shell through a first connecting plate, the left and right side walls in the sealing shell are respectively and fixedly connected with a polished rod, the polished rod is connected with a sliding block in a sliding manner, the rotating disc and the adjusting ring are respectively provided with a second sliding chute for the sliding block to slide, the inner side of the sliding block is provided with a second groove for the rotating disc to pass through, the left side wall of the sliding block is fixedly connected with an arc-shaped jacking block, the polished rod is, the L-shaped sliding block is connected to the inner side wall of the U-shaped sliding rail in a sliding mode, the right side wall of the L-shaped sliding block is fixedly connected with an adjusting column, the right end of the adjusting column is fixedly connected with a first guide block, the inner side walls of the two first sliding blocks are fixedly connected with second guide blocks, and the second guide blocks are in contact with the first guide blocks;

the pipe fitting feeding and supporting device comprises four second slide rails, the four second slide rails are fixedly connected to the inner wall of the sealing shell, L-shaped supporting slide blocks are slidably connected into each second slide rail, supporting springs are fixedly connected to the bottoms of the L-shaped supporting slide blocks, the bottoms of the four supporting springs are fixedly connected to the inner bottom surface of the sealing shell, supporting rollers are fixedly connected to the tops of the two L-shaped supporting slide blocks at the same side, U-shaped guide blocks are fixedly connected to the tops of the two L-shaped supporting slide blocks at the right side, a fixed disc is rotatably connected to the outer surface of the first rotating shaft, the left side wall of the fixed disc is in contact with the right side wall of the first guide block, first slide bars are fixedly connected to the upper portion and the lower portion of the right side wall of the fixed disc, and the right end of each first slide bar penetrates through, the first sliding rod is sleeved with a second spring, the bottom of the fixed disc is fixedly connected with a third guide block, and the third guide block is in contact with the U-shaped guide block.

When the laser engraving machine works, because the surface of a workpiece is subjected to laser engraving in the prior art, the workpiece is clamped by a chuck which is mostly adopted, the clamped parts at the two ends of the workpiece can not be engraved on the outer surface of the workpiece clamped by the chuck, the workpiece needs to be processed for many times, and the workpiece can not be positioned in the axial direction of the workpiece by a clamping mechanism which clamps the side wall of the workpiece by a clamping column, the workpiece can move during processing, so that the laser engraving has deviation, the workpiece is positioned by adopting the mode of clamping the side wall, the processed area can be abraded, so that the engraved part of engraved characters or patterns can be changed, the laser engraving effect is influenced, the conventional laser engraving machine needs a complicated workpiece clamping, the processing efficiency is seriously influenced, when the workpiece needs to be subjected to laser engraving, the sealing cover is rotated anticlockwise, the L-shaped positioning blocks at the two sides of the sealing cover are pulled out from the first grooves of the two rectangular connecting blocks, the sealing cover is taken down, a workpiece is loaded from the feeding hole, two supporting rollers at the bottom of the inner side of the sealing shell support the bottom of the workpiece, the auxiliary workpiece is aligned and installed, when the workpiece moves most part to the right side under the support of the two supporting rollers at the bottom, the supporting ring at the right side of the sealing cover is inserted into the workpiece, the sealing cover is extruded to push the workpiece to move continuously to the right, the right end of the workpiece is pressed against the arc-shaped top block at the left side of the sliding block, the sliding block is enabled to slide rightwards on the light bar along a second sliding groove jointly formed by the rotating disc and the adjusting ring, when the adjusting ring is completely removed at the right end of the workpiece, a second groove in the sliding block is just provided for the rotating disc to rotate to pass through, and when the sliding block moves rightwards, the sliding block drives the L-, the upper and lower second guide blocks move towards the outside direction to drive the two first sliding blocks to move outwards to drive the two arc-shaped clamping jaws to move outwards to clamp the inner side wall of a workpiece, the sealing cover is rotated, L-shaped positioning blocks on two sides of the sealing cover are inserted into the rectangular connecting block to finish workpiece feeding, the workpiece is automatically clamped without manually clamping the workpiece for multiple times, workpiece feeding time is saved, machining efficiency is improved, the two-axis transverse moving mechanism is started to drive the laser to move, carving is carried out on the outer surface of the workpiece, all positions on the outer surface of the workpiece can be carved, the phenomenon that two ends of the workpiece cannot be carved is avoided, when the first guide block moves rightwards, the fixed disc is extruded, the second spring is extruded, the third guide block at the bottom of the fixed disc is driven to move rightwards to extrude the U-shaped guide block, and the U-shaped guide block moves downwards, the two L-shaped supporting sliding blocks are extruded to drive the two supporting rollers to move downwards to be separated from the contact of the bottom surface of the workpiece, the supporting rollers are prevented from contacting with the surface of the carved workpiece to abrade and carve characters or patterns, the first motor is started to drive the first rotating shaft to rotate, the first rotating shaft drives the rotating disc to rotate so as to drive the two arc-shaped clamping jaws to rotate together to drive the workpiece to rotate and carve, after carving is finished, the sealing cover is opened, the first spring bounces the sliding block to drive the workpiece to move towards the left side to enable the left end of the workpiece to protrude, so that personnel can conveniently take and carve the workpiece, carving is finished, the workpiece can be rotatably carved without clamping the two ends of the workpiece, the phenomenon that the two ends of the workpiece cannot be carved is avoided, manual multiple times of the two ends of the workpiece are not needed, workpiece loading time is saved, clamping work efficiency is improved, when the workpiece is finished, the supporting roller is separated from the side wall of the workpiece, and the completeness of the engraved pattern is fully ensured.

As a further scheme of the invention, two rotating rings are sleeved on the outer surface of the polished rod, the bottom ends of the two rotating rings are fixedly connected with a rectangular adjusting block together, the bottom end of the rectangular adjusting block is fixedly connected with a plurality of brushes, the inner side walls of the sliding block and the sealing shell are fixedly connected with third sliding rails, and the rectangular adjusting block is slidably connected in the two third sliding rails; the during operation, because when carrying out laser engraving to the work piece, dust or impurity probably exist on the work piece surface, can influence the sculpture effect of work piece, through the cover is equipped with the swivel becket on the polished rod, the swivel becket bottom is passing through the brush of a plurality of zonulae occludens of rectangle adjusting block fixed connection, the rectangle adjusting block slides in two third slide rails, aim at the work piece lateral wall, when the work piece rotates, work piece lateral wall laminating brush, the brush treats the processing lateral wall to the work piece side when the work piece is rotatory and washs, thereby realize clean work piece surface, avoid the dust or the impurity influence sculpture effect of work piece surface.

As a further scheme of the invention, a first connecting block is fixedly connected to the side wall of the rectangular adjusting block, a top post is fixedly connected to the right side wall of the first connecting block, teeth are formed on the left side wall of the rotating disc, the top post is acted with the teeth, a third spring is fixedly connected to the left end of the rectangular adjusting block, and the left end of the third spring is fixedly connected to the inner side wall of the sealing shell; during operation, because the brush is when cleaning the work piece, only scrape the surface of work piece, can lead to piling up dust and impurity on the brush, influence the cleaning effect to rear work piece lateral wall, through withholding at rectangle adjusting block lateral wall fixedly connected with, when the rolling disc rotates, tooth on its left side wall is with withholding mutually, the back and forth withholding withstands, withstands to drive the rectangle adjusting block through first connecting block and third spring and come the migration, drive the brush round trip movement, make the brush round trip movement clean the work piece surface, thereby when realizing cleaning the work piece surface, the brush comes the migration, make dust or the miscellaneous energy on the brush drop when the brush round trip movement, avoid influencing the brush and clean the effect to subsequent work piece surface.

As a further proposal of the invention, the two-shaft transverse moving mechanism comprises two fourth slide rails, the two fourth slide rails are both fixedly connected on the inner side wall of the sealed shell, the two fourth slide rails are connected with a lifting plate in a common sliding way, a third chute is arranged in the lifting plate, the left and right inner walls of the third chute are rotatably connected with a screw rod, the screw rod is sleeved with a T-shaped sliding block which is connected in the third sliding chute in a sliding way, the bottom of the T-shaped sliding block is fixedly connected with a laser, the outer surface of the screw rod is fixedly connected with a first gear, the right side of the top of the lifting plate is fixedly connected with a second motor, the output shaft of the second motor is fixedly connected with a second gear which is meshed with the first gear, the side wall of the lifting plate is fixedly connected with a U-shaped connecting plate, and the top of the U-shaped connecting plate is fixedly connected with an air cylinder; the during operation, because the laser instrument when carving the work piece, need remove the sculpture at the surface of work piece, when the adjustment laser instrument position from top to bottom needs, through the flexible of cylinder, drive the lifter plate and go up and down in two fourth slide rails, and then drive the laser instrument and reciprocate, adjust to suitable height, when needing to make the laser instrument remove the sculpture about, start the second motor, the second motor drives the second gear and rotates, the first gear of second gear meshing, thereby drive first gear and rotate, first gear drives the lead screw and advances to rotate, the lead screw drives T type slider and removes, thereby it carries out the removal about to drive the laser instrument, thereby realize two axial removal about and about the laser instrument, be convenient for the laser instrument carves the work piece.

As a further scheme of the invention, an air outlet pipe is fixedly connected to the rear side wall of the sealed shell, the air outlet pipe is communicated with an exhaust fan, the bottom end of the exhaust fan is communicated with an air exhaust pipe, the front end of the air exhaust pipe is inserted into the sealed shell and is communicated with a pipe to form an air suction plate, and an air inlet is formed in the bottom of the rear side wall of the sealed shell; the during operation, because during laser engraving, can produce poisonous and harmful gas, influence personnel health, through fixedly connected with play tuber pipe on seal housing rear side wall, when advancing laser engraving, start the air exhauster, the air exhauster passes through the poisonous and harmful gas of suction of west aerofoil large tracts of land, discharges in exhaust column and the air-out pipe again, and the poisonous and harmful gas in surface influences personnel's letter healthily.

As a further scheme of the invention, the outer side walls of the two arc-shaped clamping jaws are fixedly connected with arc-shaped anti-skidding sheets which are positioned at the inner sides of the adjusting rings; during operation, because the arc clamping jaw needs to drive the work piece and rotate behind the centre gripping work piece inner wall, arc clamping jaw and work piece lateral wall are rigid contact, can take place to slide when driving the work piece and rotate, through at arc clamping jaw outer fixed surface be connected with arc antiskid sheets, arc antiskid sheets when the arc clamping jaw presss from both sides tight work piece, closely laminate work piece inner wall, when the arc clamping jaw rotates, utilize arc antiskid sheets to prevent that the work piece from sliding, avoid appearing arc clamping jaw and work piece relative slip's phenomenon.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, when a workpiece is installed, the arc-shaped clamping jaw and the positioning ring at the right end of the sealing cover are used for clamping and positioning the inner side wall of the workpiece, the workpiece can be rotatably carved without clamping two ends of the workpiece, the phenomenon that two ends of the workpiece cannot be carved is avoided, the workpiece is installed, the workpiece is automatically clamped when the workpiece is installed, two ends of the workpiece are not manually clamped for many times, the workpiece loading time is saved, the working efficiency is improved, and in order to avoid the influence of the supporting roller on the carved side wall of the workpiece, the supporting roller is separated from the side wall of the workpiece when the workpiece is installed, so that the completeness of a carving pattern is fully ensured.

2. According to the invention, the rotating ring is sleeved on the polished rod, the bottom of the rotating ring is fixedly connected with a plurality of closely arranged brushes through the rectangular adjusting block, the rectangular adjusting block is arranged on the two third slide rail guide blocks and is aligned with the side wall of the workpiece, when the workpiece rotates, the side wall of the workpiece is attached to the brushes, and the brushes clean the side wall to be processed at the side of the workpiece when the workpiece rotates, so that the surface of the workpiece is cleaned, and the effect of carving is prevented from being influenced by dust or impurities on the surface of the workpiece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is a first perspective view of the general construction of the laser engraving apparatus of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a structural view of the L-shaped slider and the rotating disk of the present invention;

FIG. 6 is a structural view of an adjustment ring and a rotating disk of the present invention;

FIG. 7 is a structural view of the polish rod and rectangular adjusting block of the present invention;

fig. 8 is a second perspective view of the general structure of the laser engraving device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the device comprises a sealing shell 1, a feed port 2, a sealing cover 3, a support ring 4, a drawing handle 5, an L-shaped positioning block 6, a rectangular connecting block 7, a first groove 8, a laser 9, a first motor 10, a first rotating shaft 11, a rotating disc 12, a first sliding chute 13, a first sliding block 14, an arc-shaped clamping jaw 15, an adjusting ring 16, a first connecting plate 17, a polished rod 18, a sliding block 19, a second sliding chute 20, a second groove 21, an arc-shaped top block 22, a first spring 23, an L-shaped sliding block 24, a U-shaped sliding rail 25, an adjusting column 26, a first guide block 27, a second guide block 28, a second sliding rail 29, an L-shaped support sliding block 30, a support spring 31, a support roller 32, a U-shaped guide block 33, a fixed disc 34, a first sliding rod 35, a retaining ring 36, a second spring 37, a third guide block 38, a rotating ring 39, a rectangular adjusting block 40, a brush 41, a third sliding rail 42, a, The air-conditioning device comprises a top column 44, a third spring 45, a fourth slide rail 46, a lifting plate 47, a third slide groove 48, a screw rod 49, a T-shaped slide block 50, a first gear 51, a second motor 52, a second gear 53, a U-shaped connecting plate 54, an air cylinder 55, an air outlet pipe 56, an exhaust fan 57, an exhaust pipe 58, an air suction plate 59, an air inlet 60 and an arc-shaped anti-skid sheet 61.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a dust-free laser engraving process comprises the following specific steps:

the laser engraving equipment comprises a sealing shell 1, a feeding hole 2 is formed in the left side wall of the sealing shell 1, a pipe fitting clamping device is connected between the inner walls of the sealing shell 1 together, the pipe fitting clamping device is used for fixing a pipe fitting and driving the pipe fitting to rotate, a pipe fitting feeding supporting device is connected to the bottom of the inner wall of the sealing shell 1, and the pipe fitting feeding supporting device is extruded by the pipe fitting clamping device in the pipe fitting rotating machining process and cancels pipe fitting supporting;

the pipe fitting clamping device comprises a sealing cover 3, the sealing cover 3 is in sliding contact with the inner wall of a feed inlet 2, a support ring 4 is fixedly connected to the inner side wall of the sealing cover 3, a drawing handle 5 is fixedly connected to the left side wall of the sealing cover 3, L-shaped positioning blocks 6 are fixedly connected to the front side wall and the rear side wall of the sealing cover 3, two rectangular connecting blocks 7 are fixedly connected to the left side wall of a sealing shell 1, first grooves 8 for the L-shaped positioning blocks 6 to slide are formed in the two rectangular connecting blocks 7, a laser 9 is connected to the top of the inner side of the sealing shell 1 through a two-shaft transverse moving mechanism, the two-shaft transverse moving mechanism is used for driving the laser 9 to move longitudinally and transversely, a first motor 10 is fixedly connected to the right side wall of the sealing shell 1, a first rotating shaft 11 is fixedly connected to an output shaft of the first motor 10, and the, the upper and lower positions of the inside of the rotating disc 12 are respectively provided with a first sliding chute 13, the inner walls of the two first sliding chutes 13 are respectively connected with a first sliding block 14 in a sliding way, the left ends of the two first sliding blocks 14 are respectively fixedly connected with an arc-shaped clamping jaw 15, the left side wall of the rotating disc 12 is connected with an adjusting ring 16 in a rotating way, the bottom of the adjusting ring 16 is fixedly connected on the lower bottom surface of the inside of the sealing shell 1 through a first connecting plate 17, the left and right side walls of the inside of the sealing shell 1 are jointly and fixedly connected with a polished rod 18, the polished rod 18 is connected with a sliding block 19 in a sliding way, the rotating disc 12 and the adjusting ring 16 are jointly provided with a second sliding chute 20 for the sliding block 19 to slide, the inner side of the sliding block 19 is provided with a second groove 21 for the rotating disc 12 to pass through, the left side wall of, the L-shaped sliding blocks 24 are connected to the inner side walls of the U-shaped sliding rails 25 in a sliding mode, the right side walls of the L-shaped sliding blocks 24 are fixedly connected with adjusting columns 26, the right ends of the adjusting columns 26 are fixedly connected with first guide blocks 27, the inner side walls of the two first sliding blocks 14 are fixedly connected with second guide blocks 28, and the second guide blocks 28 are in contact with the first guide blocks 27;

the pipe fitting feeding and supporting device comprises four second sliding rails 29, wherein the four second sliding rails 29 are fixedly connected to the inner wall of the sealing shell 1, an L-shaped supporting slide block 30 is slidably connected into each second sliding rail 29, a supporting spring 31 is fixedly connected to the bottom of each L-shaped supporting slide block 30, the bottom ends of the four supporting springs 31 are fixedly connected to the inner bottom surface of the sealing shell 1, supporting rollers 32 are fixedly connected to the tops of the two L-shaped supporting slide blocks 30 at the same side together, a U-shaped guide block 33 is fixedly connected to the tops of the two L-shaped supporting slide blocks 30 at the right side together, a fixed disc 34 is rotatably connected to the outer surface of the first rotating shaft 11, the left side wall of the fixed disc 34 is contacted with the right side wall of the first guide block 27, first sliding rods 35 are fixedly connected to the upper and lower sides of the right side wall of the, a second spring 37 is sleeved on the first sliding rod 35, a third guide block 38 is fixedly connected to the bottom of the fixed disc 34, and the third guide block 38 is in contact with the U-shaped guide block 33;

during operation, because the laser sculpture is being carried out to the work piece surface among the prior art, chuck clamping work piece is mostly adopted, the chuck is at the surface of clamping work piece, can lead to the part that the work piece both ends were blocked can't be carved, need to process the work piece many times, and clamping mechanism in addition utilizes the card post card to press from both sides the work piece lateral wall, can not fix a position the axial of work piece, the work piece can take place to remove when processing, lead to laser sculpture to appear the deviation, and adopt the mode location work piece of card lateral wall, can wear the region that has been processed, lead to the glyptic characters or the pattern of part that has already carved to change, influence laser sculpture's effect, and current laser sculpture is when last, need loaded down with trivial details clamping work piece, seriously influence machining efficiency, when needing to carry out laser sculpture to the work piece, through counter-clockwise rotation sealed lid 3, extract L type locating piece 6 of sealed lid 3 both sides from the first recess 8 of two The sealing cover 3 is taken down, a workpiece is loaded from the feeding port 2, two supporting rollers 32 at the bottom of the inner side of the sealing shell 1 support the bottom of the workpiece, the auxiliary workpiece is aligned and installed, when the workpiece is supported by the two supporting rollers 32 at the bottom and moves to the right for most part, the supporting ring 4 at the right side of the sealing cover 3 is inserted into the workpiece, the sealing cover 3 is extruded to push the workpiece to move continuously to the right, the right end of the workpiece is pressed against the arc-shaped top block 22 at the left side of the sliding block 19, the sliding block 19 slides to the right on the polished rod 18 along the second sliding groove 20 jointly formed by the rotating disc 12 and the adjusting ring 16, when the adjusting ring 16 is completely removed at the right end of the workpiece, the second groove 21 in the sliding block 19 is just for the rotating disc 12 to pass through, and when the sliding block 19 moves to the right, the sliding block 19 drives the L, the first guide block 27 extrudes the second guide block 28, so that the upper and lower second guide blocks 28 move towards the outside, the two first sliding blocks 14 are driven to move outwards, the two arc-shaped clamping jaws 15 are driven to move outwards, the inner side walls of a workpiece are clamped, the sealing cover 3 is rotated, the L-shaped positioning blocks 6 at the two sides of the sealing cover 3 are inserted into the rectangular connecting block 7, workpiece loading is completed, the workpiece is clamped automatically without clamping the workpiece for multiple times manually, workpiece loading time is saved, machining efficiency is improved, the two-axis transverse moving mechanism is started, the laser 9 is driven to move, engraving is carried out on the outer surface of the workpiece, all positions on the outer surface of the workpiece can be engraved, the phenomenon that the two ends of the workpiece cannot be engraved is avoided, when the first guide block 27 moves towards the right, the fixed disc 34 is extruded, the second spring 37 is extruded, and the third guide block 38 at the bottom of, the U-shaped guide block 33 is extruded to lead the U-shaped guide block 33 to move downwards, two L-shaped supporting slide blocks 30 are extruded to drive two supporting rollers 32 to move downwards to be separated from the contact of the bottom surface of the workpiece, the supporting rollers 32 are prevented from contacting with the surface of the engraved workpiece to abrade and engrave characters or patterns, a first motor 10 is started to drive a first rotating shaft 11 to rotate, the first rotating shaft 11 drives a rotating disc 12 to rotate, thereby driving two arc-shaped clamping jaws 15 to rotate together to drive the workpiece to be engraved in a rotating way, after the engraving is finished, a sealing cover 3 is opened, a first spring 23 bounces up a slide block 19 to drive the workpiece to move towards the left side to lead the left end of the workpiece to protrude out, thereby facilitating the taking of the workpiece and finishing the engraving, thereby realizing the rotary engraving of the workpiece without clamping two ends of the workpiece, avoiding the phenomenon that the two ends of the workpiece can not be engraved, save the time of putting into the work, improve work efficiency to for avoiding backing roll 32 to exert an influence to the work piece lateral wall that carves, when putting into the work, break away from the work piece lateral wall with backing roll 32, fully guarantee the integrality of sculpture pattern.

As a further scheme of the present invention, the outer surface of the polish rod 18 is sleeved with two rotating rings 39, the bottom ends of the two rotating rings 39 are fixedly connected with a rectangular adjusting block 40 together, the bottom end of the rectangular adjusting block 40 is fixedly connected with a plurality of brushes 41, the inner side walls of the sliding block 19 and the sealing housing 1 are fixedly connected with third sliding rails 42, and the rectangular adjusting block 40 is slidably connected in the two third sliding rails 42; during operation, because when carrying out laser engraving to the work piece, the work piece surface can have dust or impurity, can influence the sculpture effect of work piece, through being equipped with swivel becket 39 on polished rod 18, swivel becket 39 bottom is being passed through a plurality of closely arranged brushes 41 of rectangle adjusting block 40 fixed connection, rectangle adjusting block 40 slides in two third slide rails 42, aim at the work piece lateral wall, when the work piece rotates, work piece lateral wall laminating brush 41, brush 41 treats the processing lateral wall to wash the work piece side when the work piece rotates, thereby realize clean work piece surface, avoid the dust or the impurity on work piece surface to influence the sculpture effect.

As a further scheme of the present invention, a first connecting block 43 is fixedly connected to a side wall of the rectangular adjusting block 40, a top post 44 is fixedly connected to a right side wall of the first connecting block 43, teeth are formed on a left side wall of the rotating disc 12, the top post 44 interacts with the teeth, a third spring 45 is fixedly connected to a left end of the rectangular adjusting block 40, and a left end of the third spring 45 is fixedly connected to an inner side wall of the sealed housing 1; when the cleaning device works, the brush 41 only scrapes the surface of the workpiece when the workpiece is cleaned, dust and impurities may be accumulated on the brush 41, and the cleaning effect on the side wall of the rear workpiece is affected, the rectangular adjusting block 40 is fixedly connected with the side wall to abut against the side wall, when the rotating disc 12 rotates, teeth on the left side wall of the rotating disc act with the abutting, the rectangular adjusting block 40 is abutted against the side wall and is driven by the first connecting block 43 and the third spring 45 to move back and forth, the brush 41 is driven to move back and forth to clean the surface of the workpiece, and therefore when the surface of the workpiece is cleaned, the brush 41 moves back and forth, the dust or the impurities on the brush 41 can fall off when the brush 41 moves back and forth, and the subsequent cleaning effect of the surface of the workpiece by the brush 41 is prevented from being affected.

As a further scheme of the invention, the two-axis transverse moving mechanism comprises two fourth slide rails 46, the two fourth slide rails 46 are both fixedly connected to the inner side wall of the sealed shell 1, a lifting plate 47 is jointly and slidably connected in the two fourth slide rails 46, a third slide groove 48 is formed in the lifting plate 47, a lead screw 49 is rotatably connected to the left inner wall and the right inner wall of the third slide groove 48, a T-shaped slider 50 is sleeved on the lead screw 49, the T-shaped slider 50 is slidably connected in the third slide groove 48, the bottom of the T-shaped slider 50 is fixedly connected with the laser 9, a first gear 51 is fixedly connected to the outer surface of the lead screw 49, a second motor 52 is fixedly connected to the right side of the top of the lifting plate 47, a second gear 53 is fixedly connected to an output shaft of the second motor 52, the second gear 53 is meshed with the first gear 51, a U-shaped connecting plate 54 is fixedly connected to the side wall of the lifting; in operation, because the laser 9 needs to move and engrave on the surface of the workpiece when engraving the workpiece, when the position of the laser 9 needs to be adjusted up and down, the lifting plate 47 is driven to lift in the two fourth sliding rails 46 by the extension and contraction of the air cylinder 55, so as to drive the laser 9 to move up and down and be adjusted to a proper height, when the laser 9 needs to move left and right for carving, the second motor 52 is started, the second motor 52 drives the second gear 53 to rotate, the second gear 53 is meshed with the first gear 51, thereby driving the first gear 51 to rotate, the first gear 51 driving the screw rod 49 to rotate, the screw rod 49 driving the T-shaped slide block 50 to move, thereby drive laser instrument 9 and carry out the removal about to realize laser instrument 9 upper and lower and control two axial removal, be convenient for laser instrument 9 carves the work piece.

As a further scheme of the invention, an air outlet pipe 56 is fixedly connected to the rear side wall of the sealed shell 1, the air outlet pipe 56 is communicated with an exhaust fan 57, the bottom end of the exhaust fan 57 is communicated with an air exhaust pipe 58, the front end of the air exhaust pipe 58 is inserted into the sealed shell 1 and is communicated with a pipe and provided with an air suction plate 59, and an air inlet 60 is arranged at the upper bottom of the rear side wall of the sealed shell 1; the during operation, because during laser engraving, can produce poisonous and harmful gas, influence personnel health, through fixedly connected with play tuber pipe 56 on seal housing 1 rear side wall, when advancing laser engraving, start air exhauster 57, air exhauster 57 passes through the poisonous and harmful gas of the suction of west wind board large tracts of land, discharges in exhaust column 58 and the play tuber pipe 56 again, and the poisonous and harmful gas in surface influences personnel simple and healthy.

As a further scheme of the invention, the outer side walls of the two arc-shaped clamping jaws 15 are fixedly connected with arc-shaped anti-skidding sheets 61, and the arc-shaped anti-skidding sheets 61 are positioned at the inner side of the adjusting ring 16; during operation, because arc clamping jaw 15 is behind centre gripping work piece inner wall, need drive the work piece and rotate, arc clamping jaw 15 is rigid contact with the work piece lateral wall, can take place to slide when driving the work piece rotation, through at arc clamping jaw 15 outer fixed surface be connected with arc antiskid sheet 61, arc antiskid sheet 61 when arc clamping jaw 15 presss from both sides tight work piece, closely laminate work piece inner wall, when arc clamping jaw 15 rotates, utilize arc antiskid sheet 61 to prevent that the work piece from sliding, avoid appearing arc clamping jaw 15 and the phenomenon that relative slip appears in the work piece.

The working principle is as follows: when a workpiece needs to be subjected to laser engraving, the sealing cover 3 is rotated anticlockwise, the L-shaped positioning blocks 6 on two sides of the sealing cover 3 are pulled out of the first grooves 8 of the two rectangular connecting blocks 7, the sealing cover 3 is taken down, the workpiece is loaded from the feeding hole 2, the two supporting rollers 32 at the bottom of the inner side of the sealing shell 1 support the bottom of the workpiece, the auxiliary workpiece is aligned and installed, when the workpiece is supported by the two supporting rollers 32 at the bottom and moves to the right for most part, the supporting ring 4 at the right side of the sealing cover 3 is inserted into the workpiece, the sealing cover 3 is extruded to push the workpiece to move continuously to the right, the right end of the workpiece presses the arc-shaped top block 22 at the left side of the sliding block 19, so that the sliding block 19 slides rightwards on the polished rod 18 along the second sliding groove 20 jointly formed by the rotating disc 12 and the adjusting ring 16, and when the right end of the workpiece completely releases, and when the sliding block 19 moves rightwards, the sliding block 19 drives the L-shaped sliding block 24 to move rightwards together, the first guide block 27 is driven to move rightwards through the adjusting column 26, the first guide block 27 extrudes the second guide block 28, the upper and lower second guide blocks 28 move outwards, the two first sliding blocks 14 are driven to move outwards, the two arc-shaped clamping jaws 15 are driven to move outwards to clamp the inner side walls of the workpiece, the sealing cover 3 is rotated, the L-shaped positioning blocks 6 at the two sides of the sealing cover 3 are inserted into the rectangular connecting block 7 to finish loading without clamping the workpiece for many times manually, the workpiece is automatically clamped, the loading time is saved, the processing efficiency is improved, the two-axis transverse moving mechanism is started to drive the laser 9 to move, the outer surface of the workpiece is carved, all positions on the outer surface of the workpiece can be carved, and the phenomenon that the two ends of the workpiece can not be carved is avoided, and when the first guide block 27 moves rightwards, the fixed disc 34 is extruded, the second spring 37 is extruded, the third guide block 38 at the bottom of the fixed disc is driven to move rightwards, the U-shaped guide block 33 is extruded, the U-shaped guide block 33 moves downwards, the two L-shaped supporting slide blocks 30 are extruded, the two supporting rollers 32 are driven to move downwards and are separated from the contact of the bottom surface of the workpiece, the situation that the supporting rollers 32 are contacted with the surface of the engraved workpiece to abrade the engraved fonts or patterns is avoided, the first motor 10 is started to drive the first rotating shaft 11 to rotate, the first rotating shaft 11 drives the rotating disc 12 to rotate, thereby driving the two arc-shaped clamping jaws 15 to rotate together, driving the workpiece to rotate and carve, after the carving is finished, when the sealing cover 3 is opened, the first spring 23 bounces the sliding block 19 to drive the workpiece to move towards the left side to enable the left end of the workpiece to protrude out, so that a worker can conveniently take the workpiece to finish carving.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dust-free laser engraving process is characterized in that the process or the method comprises the following specific steps:

step two: starting laser engraving equipment to engrave the workpiece, and rotating the workpiece in the engraving process to realize omnibearing engraving;

the laser engraving equipment comprises a sealing shell (1), a feeding hole (2) is formed in the left side wall of the sealing shell (1), a pipe fitting clamping device is connected between the inner walls of the sealing shell (1) together, the pipe fitting clamping device is used for fixing a pipe fitting and driving the pipe fitting to rotate, a pipe fitting feeding supporting device is connected to the bottom of the inner wall of the sealing shell (1), and the pipe fitting feeding supporting device is extruded by the pipe fitting clamping device in the pipe fitting rotating machining process and cancels pipe fitting supporting;

the pipe fitting clamping device comprises a sealing cover (3), the sealing cover (3) is in sliding contact with the inner wall of the feeding hole (2), a support ring (4) is fixedly connected onto the inner side wall of the sealing cover (3), a pull handle (5) is fixedly connected onto the left side wall of the sealing cover (3), L-shaped positioning blocks (6) are fixedly connected onto the front side wall and the rear side wall of the sealing cover (3), two rectangular connecting blocks (7) are fixedly connected onto the left side wall of the sealing shell (1), first grooves (8) for the L-shaped positioning blocks (6) to slide are formed in the two rectangular connecting blocks (7), the top of the inner side of the sealing shell (1) is connected with a laser (9) through a two-axis transverse moving mechanism, the two-axis transverse moving mechanism is used for driving the laser (9) to longitudinally and transversely move, and a first motor (10) is fixedly connected onto the, the output shaft of the first motor (10) is fixedly connected with a first rotating shaft (11), the left end of the first rotating shaft (11) penetrates through the right side wall of the sealing shell (1) and is fixedly connected with a rotating disc (12), first sliding grooves (13) are formed in the upper and lower positions in the rotating disc (12), first sliding blocks (14) are connected to the inner walls of the first sliding grooves (13) in a sliding mode, arc-shaped clamping jaws (15) are fixedly connected to the left ends of the first sliding blocks (14), an adjusting ring (16) is connected to the left side wall of the rotating disc (12) in a rotating mode, the bottom of the adjusting ring (16) is fixedly connected to the lower bottom surface in the sealing shell (1) through a first connecting plate (17), a polished rod (18) is fixedly connected to the left and right side walls in the sealing shell (1) together, and sliding blocks (19) are connected to the polished rod (18, the rotating disc (12) and the adjusting ring (16) are provided with a second sliding chute (20) for the sliding block (19) to slide together, a second groove (21) for the rotating disc (12) to pass through is arranged on the inner side of the sliding block (19), an arc-shaped ejector block (22) is fixedly connected to the left side wall of the sliding block (19), a first spring (23) is sleeved on the polish rod (18), the right side wall of the sliding block (19) is contacted with an L-shaped sliding block (24), the L-shaped sliding block (24) is connected on the inner side wall of the U-shaped sliding rail (25) in a sliding way, the right side wall of the L-shaped sliding block (24) is fixedly connected with an adjusting column (26), the right end of the adjusting column (26) is fixedly connected with a first guide block (27), the inner side walls of the two first sliding blocks (14) are fixedly connected with second guide blocks (28), and the second guide blocks (28) are in contact with the first guide blocks (27);

the pipe fitting feeding and supporting device comprises four second sliding rails (29), wherein the four second sliding rails (29) are fixedly connected to the inner wall of the sealing shell (1), each second sliding rail (29) is internally and slidably connected with an L-shaped supporting sliding block (30), the bottom of each L-shaped supporting sliding block (30) is fixedly connected with a supporting spring (31), the bottom ends of the four supporting springs (31) are fixedly connected to the inner bottom surface of the sealing shell (1), the two L-shaped supporting sliding blocks (30) at the same side are fixedly connected with supporting rollers (32) together at the tops, the two L-shaped supporting sliding blocks (30) at the right side are fixedly connected with a U-shaped guide block (33) together at the tops, a fixed disk (34) is rotatably connected to the outer surface of the first rotating shaft (11), and the left side wall of the fixed disk (34) is in contact with the right side wall of the first, fixed disk (34) right side wall is first slide bar (35) of equal fixedly connected with from top to bottom, first slide bar (35) right-hand member runs through sealed shell (1) and fixedly connected with keeps off ring (36), the cover is equipped with second spring (37) on first slide bar (35), fixed disk (34) bottom fixedly connected with third guide block (38), third guide block (38) contact with U type guide block (33).

2. The dust-free laser engraving process according to claim 1, wherein: polished rod (18) surface cover is equipped with two swivel becket (39), two the common fixedly connected with rectangle adjusting block (40) in swivel becket (39) bottom, a plurality of brushes (41) of rectangle adjusting block (40) bottom fixedly connected with, sliding block (19) with equal fixedly connected with third slide rail (42) on the inside wall of seal housing (1), rectangle adjusting block (40) sliding connection is in two third slide rail (42).

3. The dust-free laser engraving process according to claim 2, wherein: the utility model discloses a sealing structure, including rectangle adjusting block (40), first connecting block (43) of fixedly connected with on the lateral wall of rectangle adjusting block (40), fixedly connected with fore-set (44) on the first connecting block (43) right side wall, tooth has been seted up on the left side wall of rolling disc (12), fore-set (44) and tooth contact each other, the left end fixedly connected with third spring (45) of rectangle adjusting block (40), the left end fixed connection of third spring (45) is on the inside wall of seal housing (1).

4. The dust-free laser engraving process according to claim 1, wherein: the two-shaft transverse moving mechanism comprises two fourth sliding rails (46), the two fourth sliding rails (46) are fixedly connected to the inner side wall of the sealed shell (1), a lifting plate (47) is connected to the two fourth sliding rails (46) in a sliding manner, a third sliding groove (48) is formed in the lifting plate (47), the left inner wall and the right inner wall of the third sliding groove (48) are rotatably connected with a screw rod (49), a T-shaped sliding block (50) is sleeved on the screw rod (49), the T-shaped sliding block (50) is connected to the third sliding groove (48) in a sliding manner, the bottom of the T-shaped sliding block (50) is fixedly connected with the laser (9), a first gear (51) is fixedly connected to the outer surface of the screw rod (49), a second motor (52) is fixedly connected to the right side of the top of the lifting plate (47), and a second gear (53) is fixedly connected to an output shaft of the second, the second gear (53) is meshed with the first gear (51), a U-shaped connecting plate (54) is fixedly connected to the side wall of the lifting plate (47), and an air cylinder (55) is fixedly connected to the top of the U-shaped connecting plate (54).

5. The dust-free laser engraving process according to claim 1, wherein: fixedly connected with goes out tuber pipe (56) on sealing shell (1) rear side wall, it has air exhauster (57) to go out tuber pipe (56) intercommunication, air exhauster (57) bottom intercommunication has exhaust column (58), exhaust column (58) front end inserts in sealing shell (1) and the communicating pipe has air suction plate (59), income wind gap (60) have been seted up to the bottom on sealing shell (1) rear side wall.

6. The dust-free laser engraving process according to claim 1, wherein: two equal fixedly connected with arc antiskid sheets (61) on arc clamping jaw (15) lateral wall, arc antiskid sheets (61) are located the inboard of adjusting ring (16).