CN112170394A - Laser cleaning device and laser cleaning method - Google Patents
Laser cleaning device and laser cleaning method Download PDFInfo
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- CN112170394A CN112170394A CN202010990980.XA CN202010990980A CN112170394A CN 112170394 A CN112170394 A CN 112170394A CN 202010990980 A CN202010990980 A CN 202010990980A CN 112170394 A CN112170394 A CN 112170394A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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Abstract
The invention discloses a laser cleaning device and a laser cleaning method, and relates to the technical field of laser cleaning. According to the invention, through the arrangement of the optical fiber, the optical fiber branching unit, the pipeline fixing mechanism to be cleaned, the anti-abrasion protection mechanism and the support ring, any part of the inner wall of the pipeline to be cleaned can be subjected to laser cleaning, no cleaning dead angle is left, the cleaning effect is excellent, in addition, in the transverse movement process of the pipeline to be cleaned, the first steel ball and the second steel ball in the anti-abrasion protection mechanism structure are passively rotated, the friction force is reduced through the rotation mode, and the abrasion degree and the kinetic energy loss are reduced.
Description
Technical Field
The invention relates to the technical field of laser cleaning, in particular to a laser cleaning device and a laser cleaning method.
Background
When submicron-order pollution particles are adhered to the surface of the workpiece, the particles are often adhered and fastened, the pollution particles are difficult to remove by a conventional cleaning method, and the laser cleaning technology is very effective in cleaning the surface of the workpiece. Because the laser cleans the workpiece in a non-contact way, the laser can clean the precise workpiece or the precise part of the precise workpiece very safely and can ensure the precision of the precise workpiece, so the laser cleaning has unique advantages in the cleaning industry. YAG laser cleaning relies on the properties of the light pulses generated by the laser, based on the photophysical reactions caused by the interaction between a high intensity beam, a short pulse laser, and a contamination layer. The light beam emitted by the laser is absorbed by the contaminated layer on the surface to be treated, and the absorption of large energy forms a plasma (highly ionized unstable gas) which expands sharply, generating shock waves which make the contaminants broken into pieces and removed. The optical pulse width must be short enough to avoid heat build-up that would damage the surface being treated. In the prior art, when the laser cleaning device is applied to cleaning of the inner wall of a pipeline, certain defects exist, the inner space of the pipeline is long and narrow, and the cleaning of the inner wall of the pipeline has high difficulty.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a laser cleaning device and a laser cleaning method, which can effectively solve the problems in the background art.
The laser cleaning device comprises a laser and a pipeline fixing mechanism to be cleaned, wherein the laser and the pipeline fixing mechanism to be cleaned are of a separated structure, an air pipe is fixedly connected to one side of the laser, an optical fiber is fixedly connected to the laser output end of the laser, the optical fiber is located inside the air pipe, an optical fiber splitter is fixedly connected to one end, away from the laser, of the optical fiber, a plurality of groups of splitting ends are arranged in the structure of the optical fiber splitter, the splitting ends are distributed in a circular shape, first mounting holes equal to the splitting ends in number are formed in the structure of the air pipe, and the splitting ends are mounted in second mounting holes in an embedded mode.
Preferably, an air delivery pump is arranged on the front side of the laser, a first hoop is arranged between the air delivery pump and the laser, the air delivery pump is fixedly connected with the laser through the first hoop, an input end of the air delivery pump is fixedly connected with an input pipeline, and a connector is fixedly arranged at one end, far away from the air delivery pump, of the input pipeline.
Preferably, the output end of the gas transmission pump is fixedly connected with an output pipeline, one end of the output pipeline, far away from the gas transmission pump, is fixedly connected with the outer wall of the gas pipe, one end of the gas pipe, far away from the laser, is fixedly provided with a blocking cover, the outer wall of the gas pipe is provided with a second mounting hole, and a gas transmission end is embedded in the second mounting hole.
Preferably, the fixed cover is equipped with the support ring in tracheal structure, the support ring is through welding and trachea fixed connection, the outer wall fixed mounting of support ring has the abrasionproof to decrease protection machanism, the quantity that the abrasionproof decreases protection machanism is four groups, the abrasionproof decreases protection machanism comprises ring flange, an installation section of thick bamboo, first steel ball, end cover and second steel ball.
Preferably, the flange plate is fixedly connected with the outer wall of the support ring through a bolt, the mounting cylinder is fixedly mounted on one side, away from the support ring, of the flange plate through welding, the end cover is mounted at one end of the mounting cylinder in an embedded mode, the first steel ball and the second steel ball are both loaded inside the mounting cylinder, a round hole is formed in the other end of the mounting cylinder, and the diameter of the round hole is smaller than that of the first steel ball.
Preferably, treat that washing pipeline fixed establishment comprises guide rail, servo motor, mount table, second staple bolt, deep groove ball bearing, threaded rod, ball nut and connecting rod, the threaded rod rotates to be installed in the inside of guide rail, servo motor's output shaft extend to the inside of guide rail and with the one end key-type connection of threaded rod.
Preferably, the quantity of mount table, second staple bolt, ball nut and connecting rod is two sets of, ball nut and threaded rod threaded connection, the strip opening has been seted up at the top of guide rail, the bottom of connecting rod and ball nut's outer wall fixed connection, the bottom fixed connection of strip opening and mount table is passed on the top of connecting rod, second staple bolt fixed mounting is in the top of mount table.
Preferably, the number of the deep groove ball bearings is two, the two groups of deep groove ball bearings are fixedly installed on the inner walls of the two sides of the guide rail through bearing seats respectively, the two ends of the threaded rod are movably sleeved in inner rings of the two groups of deep groove ball bearings respectively, oil grooves are formed in the two ends of the threaded rod, and lubricating oil is filled in the oil grooves.
In a second aspect, the present invention provides a laser cleaning method, including the steps of:
(S1) disassembling the two groups of second hoops, installing the pipeline to be cleaned on the two groups of second hoops, and fixing the pipeline to be cleaned.
(S2) adjusting the position of the pipeline to be cleaned, coaxially aligning the pipeline to be cleaned and the air pipe, and controlling the laser cleaning device to move along the axial direction of the air pipe until the air pipe is deep into the pipeline to be cleaned.
(S3) controlling the laser to start to form a laser source, wherein the laser source is transmitted through the optical fiber and then output after passing through the optical fiber branching device and the branching end.
(S4) the input pipeline is butted with the inert gas supply pipeline through the joint to control the gas transmission pump to start, and the inert gas enters the output pipeline and then enters the gas pipe after passing through the input pipeline and the gas transmission pump chamber.
(S5) outputting laser into the pipe to be cleaned, absorbing the laser beam by a pollution layer attached to the inner wall of the pipe to be cleaned, absorbing large energy to form plasma which expands rapidly, generating shock wave, and enabling pollutants to be broken into fragments and removed by the shock wave.
(S6) the inert gas penetrates through the internal channel of the gas pipe, enters the pipe to be cleaned through the gas transmission end, and is blown to the inner wall of the pipe to be cleaned by the inert gas, so that dirt can be blown away by the inert gas immediately after being stripped from the inner wall of the pipe to be cleaned.
(S7) control servo motor starts, drive the threaded rod synchronous rotation, the connecting rod is restricted to strip opening, make ball nut not follow the threaded rod and rotate, ball nut and threaded rod are screw-thread fit, under thread engagement' S effect, turn into linear motion with rotary motion, through clockwise or anticlockwise operation of servo motor, can make ball nut, the connecting rod, mount table and second staple bolt lateral movement, and drive and treat that wash pipeline synchronous motion, treat that wash the pipeline inner wall arbitrary part homoenergetic enough with through the laser contact of output behind optical fiber branching ware and the branch end.
(S8) after the cleaning is finished, closing the laser, the servo motor and the air delivery pump in sequence, controlling the laser cleaning device to move until the air pipe exits from the cleaned pipeline, detaching the two groups of second hoops, and taking down the cleaned pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the laser light source is divided into multiple components by the arranged optical fiber and the optical fiber branching unit, the branching ends in the optical fiber branching unit structure are circularly distributed on the air pipe and are matched with the inner wall of the pipeline to be cleaned, the cleaning effect is good, and the cleaning dead angle is avoided.
2. According to the pipeline fixing mechanism to be cleaned, the servo motor is adopted as the driving device in the pipeline fixing mechanism to be cleaned, the pipeline fixing mechanism to be cleaned has the characteristic of accurate rotation speed control, the servo motor drives the threaded rod to rotate when in operation, the connecting rod is limited by the strip-shaped opening, the ball nut does not rotate along with the threaded rod, the ball nut and the threaded rod are in threaded fit, rotary motion is converted into linear motion under the action of threaded engagement, the ball nut, the connecting rod, the mounting table and the second hoop can transversely move through clockwise or anticlockwise operation of the servo motor, the pipeline to be cleaned is driven to synchronously move, any part of the inner wall of the pipeline to be cleaned can be in contact with laser output after passing through the optical fiber branching device and the branching end, and cleaning dead corners are avoided.
3. According to the invention, the anti-abrasion protection mechanism and the support ring are arranged and matched, so that the air pipe, the shunt end and the air delivery end are not attached to the inner wall of the pipeline to be cleaned, the first steel ball and the second steel ball in the anti-abrasion protection mechanism structure are passively rotated in the transverse movement process of the pipeline to be cleaned, the friction force is reduced in a rotating mode, and the abrasion degree and the kinetic energy loss are reduced.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;
FIG. 3 is a front view of the wear protection mechanism of the present invention;
FIG. 4 is a schematic structural view of the wear protection mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the trachea in the present invention;
FIG. 6 is a front view of the pipe securing mechanism to be cleaned according to the present invention;
FIG. 7 is a schematic structural view of a fixing mechanism for a pipe to be cleaned according to the present invention;
FIG. 8 is a flow chart of a method of the present invention.
In the figure: 1. a laser; 2. an air tube; 3. an air delivery pump; 4. a first hoop; 5. an input pipe; 6. a joint; 7. an output pipe; 8. a shunt end; 9. a gas delivery end; 10. a support ring; 11. an anti-abrasion protection mechanism; 12. a flange plate; 13. mounting the cylinder; 14. a first steel ball; 15. an end cap; 16. a second steel ball; 17. an optical fiber; 18. an optical fiber splitter; 19. a blocking cover; 20. a pipeline fixing mechanism to be cleaned; 21. a guide rail; 22. a servo motor; 23. an installation table; 24. a second hoop; 25. a deep groove ball bearing; 26. a threaded rod; 27. a ball nut; 28. a strip-shaped opening; 29. a connecting rod.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
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 making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a laser cleaning device, include laser instrument 1 and wait to wash pipeline fixed establishment 20, laser instrument 1 is the isolating construction with waiting to wash pipeline fixed establishment 20, one side fixedly connected with trachea 2 of laser instrument 1, laser instrument 1's laser output end fixedly connected with optic fibre 17, optic fibre 17 is located trachea 2's inside, the one end fixedly connected with optic fibre branching unit 18 of laser instrument 1 is kept away from to optic fibre 17, be provided with a plurality of groups in optic fibre branching unit 18's the structure and divide end 8 along separate routes, and a plurality of groups divide end 8 to be circular distribution, open in trachea 2's the structure and be equipped with the first mounting hole that equals with dividing end 8 quantity, divide end 8 embedded the installing in the second mounting hole along separate routes.
Wherein, the front side of laser instrument 1 is provided with gas transmission pump 3, is provided with first staple bolt 4 between gas transmission pump 3 and the laser instrument 1, and through first staple bolt 4 fixed connection between gas transmission pump 3 and the laser instrument 1, the input fixedly connected with input pipeline 5 of gas transmission pump 3, the one end fixed mounting that gas transmission pump 3 was kept away from to input pipeline 5 has a joint 6, pressurizes the inert gas of input through gas transmission pump 3 to improve the inert gas velocity of flow.
Wherein, the output end of the gas transmission pump 3 is fixedly connected with an output pipeline 7, one end of the output pipeline 7 far away from the gas transmission pump 3 is fixedly connected with the outer wall of the gas pipe 2, one end of the gas pipe 2 far away from the laser 1 is fixedly provided with a plugging cover 19, the outer wall of the gas pipe 2 is provided with a second mounting hole, and the gas transmission end 9 is embedded in the second mounting hole to form a complete pipeline system, laser is output to the pipeline to be cleaned, a laser beam is absorbed by a pollution layer attached to the inner wall of the pipeline to be cleaned, high-energy absorption forms rapidly-expanded plasma to generate shock waves, the shock waves enable pollutants to be broken into pieces and removed, inert gas is finally output to the inner part of the gas pipe 2 and blown to the inner wall of the pipeline to be cleaned by the inert gas, and the pollutants can be immediately blown away by the inert gas after being stripped from the inner wall of the pipeline to be cleaned, so that the inner wall is prevented from being polluted and oxidized again.
Wherein, the fixed cover is equipped with support ring 10 in the structure of trachea 2, support ring 10 is through welding and trachea 2 fixed connection, the outer wall fixed mounting of support ring 10 has abrasionproof to decrease protection machanism 11, the quantity of abrasionproof decreases protection machanism 11 is four groups, abrasionproof decreases protection machanism 11 by ring flange 12, an installation section of thick bamboo 13, first steel ball 14, end cover 15 and second steel ball 16 are constituteed, support ring 10 and abrasionproof decreases protection machanism 11 and cooperatees, make trachea 2, along separate routes end 8 and defeated gas end 9 not with the inner wall contact of treating the washing pipeline, when treating the horizontal motion of washing pipeline, can not take place the friction with trachea 2, along separate routes end 8, defeated gas end 9, consequently.
Wherein, ring flange 12 passes through bolt and support ring 10's outer wall fixed connection, installation cylinder 13 is installed in the one side that the support ring 10 was kept away from to ring flange 12 through welded fastening, end cover 15 is embedded to be installed in the one end of installation cylinder 13, first steel ball 14 all loads in the inside of installation cylinder 13 with second steel ball 16, the round hole has been seted up to the other end of installation cylinder 13, and the aperture of round hole is less than the diameter of first steel ball 14, installation cylinder 13 cooperatees with end cover 15, play limiting displacement to first steel ball 14 and second steel ball 16, wash the pipeline transverse motion in-process, first steel ball 14 in the abrasionproof protection mechanism 11 structure rotates with second steel ball 16 passively, reduce frictional force through the pivoted mode, reduce degree of wear and kinetic energy loss.
Wherein, treat that washing pipeline fixed establishment 20 comprises guide rail 21, servo motor 22, mount table 23, second staple bolt 24, deep groove ball bearing 25, threaded rod 26, ball nut 27 and connecting rod 29, threaded rod 26 rotates and installs in the inside of guide rail 21, servo motor 22's output shaft extends to the inside of guide rail 21 and with a key-type connection of threaded rod 26, adopt servo motor 22 as drive arrangement, have the accurate characteristics of speed control, servo motor 22 operates and drives threaded rod 26 synchronous rotation.
Wherein, the mount table 23, the second staple bolt 24, the quantity of ball nut 27 and connecting rod 29 is two sets of, ball nut 27 and threaded rod 26 threaded connection, strip opening 28 has been seted up at the top of guide rail 21, the bottom of connecting rod 29 and the outer wall fixed connection of ball nut 27, the bottom fixed connection of strip opening 28 and mount table 23 is passed on the top of connecting rod 29, second staple bolt 24 fixed mounting is in the top of mount table 23, connecting rod 29 is restricted to strip opening 28, make ball nut 27 not follow threaded rod 26 and rotate, ball nut 27 and threaded rod 26 are screw-thread fit, under the effect of screw-thread engagement, turn into linear motion with rotary motion, clockwise or anticlockwise operation through servo motor 22, can make ball nut 27, connecting rod 29, mount table 23 and second staple bolt 24 lateral motion, and drive and treat the pipeline synchronous motion of wasing, treat that the pipeline inner wall arbitrary part all can with through exciting output behind optical branching unit 18 and branching end 8 of optic fibre branching unit 18 and branch And the light contacts to avoid cleaning dead angles.
Wherein, the quantity of deep groove ball bearing 25 is two sets of, and two sets of deep groove ball bearing 25 respectively through bearing frame fixed mounting in the both sides inner wall of guide rail 21, the both ends of threaded rod 26 activity suit respectively in the inner ring of two sets of deep groove ball bearing 25, the oil groove has all been seted up at the both ends of threaded rod 26, and the oil groove intussuseption is equipped with lubricating oil, deep groove ball bearing 25 can bear radial load, play the positioning action to threaded rod 26, and reduce the frictional force when threaded rod 26 rotates, reduce the kinetic energy loss.
The working principle and the method flow of the invention are as follows:
(S1) disassembling the two groups of second hoops 24, installing the pipelines to be cleaned on the two groups of second hoops 24, fixing the pipelines to be cleaned, and preventing the pipelines to be cleaned from generating radial position deviation in the cleaning process.
(S2) adjusting the position of the pipeline to be cleaned, coaxially aligning the pipeline to be cleaned with the air pipe 2, and controlling the laser cleaning device to move along the axial direction of the air pipe 2 until the air pipe 2 goes deep into the pipeline to be cleaned.
(S3) controlling the laser 1 to start, so as to form a laser source, wherein the laser source is transmitted through the optical fiber 17, and then is output after passing through the optical fiber splitter 18 and the splitting end 8.
(S4) the input pipe 5 is connected to the inert gas supply pipe through the joint 6 to control the gas pump 3 to start, and the inert gas passes through the input pipe 5 and the pump chamber of the gas pump 3, enters the output pipe 7, and then enters the gas pipe 2.
(S5) outputting laser into the pipe to be cleaned, absorbing the laser beam by a pollution layer attached to the inner wall of the pipe to be cleaned, absorbing large energy to form plasma which expands rapidly, generating shock wave, and enabling pollutants to be broken into fragments and removed by the shock wave.
(S6) the inert gas passes through the internal channel of the gas pipe 2, enters the pipe to be cleaned through the gas transmission end 9, and is blown to the inner wall of the pipe to be cleaned by the inert gas, so that the dirt can be blown away by the inert gas immediately after being stripped from the inner wall of the pipe to be cleaned, and the inner wall is prevented from being polluted and oxidized again.
(S7) the servo motor 22 is controlled to start, the threaded rod 26 is driven to rotate synchronously, the connecting rod 29 is limited by the strip-shaped opening 28, the ball nut 27 does not rotate along with the threaded rod 26, the ball nut 27 is in threaded fit with the threaded rod 26, the rotary motion is converted into linear motion under the action of threaded engagement, the servo motor 22 runs clockwise or anticlockwise, the ball nut 27, the connecting rod 29, the mounting table 23 and the second hoop 24 can move transversely, the pipeline to be cleaned is driven to move synchronously, any part of the inner wall of the pipeline to be cleaned can be in contact with laser output after passing through the optical fiber branching unit 18 and the branching end 8, little strange problem in cleaning is improved, and no cleaning dead angle is left.
(S8) after the cleaning is finished, the laser 1, the servo motor 22, the gas transmission pump 3 and the laser cleaning device are sequentially closed to move until the gas pipe 2 exits from the cleaned pipeline, the two groups of second hoops 24 are disassembled, and the cleaned pipeline is taken down.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a laser belt cleaning device, includes laser instrument (1) and treats washing pipeline fixed establishment (20), its characterized in that: laser instrument (1) is the isolating construction with waiting to wash pipeline fixed establishment (20), one side fixedly connected with trachea (2) of laser instrument (1), the laser output end fixedly connected with optic fibre (17) of laser instrument (1), optic fibre (17) are located the inside of trachea (2), the one end fixedly connected with optical fiber branching unit (18) of laser instrument (1) are kept away from in optic fibre (17), be provided with a plurality of groups in the structure of optical fiber branching unit (18) and divide end (8) to be circular distribution, open in the structure of trachea (2) and be equipped with the first mounting hole that equals with dividing end (8) quantity, divide end (8) embedded the installing in the second mounting hole.
2. The laser cleaning device according to claim 1, wherein: the front side of laser instrument (1) is provided with air transmission pump (3), be provided with first staple bolt (4) between air transmission pump (3) and laser instrument (1), and through first staple bolt (4) fixed connection between air transmission pump (3) and laser instrument (1), the input fixedly connected with input pipeline (5) of air transmission pump (3), the one end fixed mounting that input pipeline (5) kept away from air transmission pump (3) has joint (6).
3. A laser cleaning device according to claim 2, wherein: output fixedly connected with output pipeline (7) of gas transmission pump (3), the one end that gas transmission pump (3) were kept away from in output pipeline (7) and the outer wall fixed connection of trachea (2), the one end fixed mounting that laser instrument (1) was kept away from in trachea (2) has shutoff lid (19), the second mounting hole has been seted up to the outer wall of trachea (2), and embedded gas transmission end (9) of installing in the second mounting hole.
4. The laser cleaning device according to claim 1, wherein: fixed cover is equipped with support ring (10) in the structure of trachea (2), support ring (10) are through welding and trachea (2) fixed connection, the outer wall fixed mounting of support ring (10) has abrasionproof to decrease protection machanism (11), the quantity that abrasionproof decreases protection machanism (11) is four groups, abrasionproof decreases protection machanism (11) and comprises ring flange (12), installation section of thick bamboo (13), first steel ball (14), end cover (15) and second steel ball (16).
5. The laser cleaning device according to claim 4, wherein: the mounting structure is characterized in that the flange plate (12) is fixedly connected with the outer wall of the support ring (10) through bolts, the mounting cylinder (13) is fixedly mounted on one side, away from the support ring (10), of the flange plate (12) through welding, the end cover (15) is mounted at one end of the mounting cylinder (13) in an embedded mode, the first steel balls (14) and the second steel balls (16) are all loaded inside the mounting cylinder (13), the other end of the mounting cylinder (13) is provided with a round hole, and the diameter of the round hole is smaller than that of the first steel balls (14).
6. The laser cleaning device according to claim 1, wherein: treat that wash pipeline fixed establishment (20) comprises guide rail (21), servo motor (22), mount table (23), second staple bolt (24), deep groove ball bearing (25), threaded rod (26), ball nut (27) and connecting rod (29), threaded rod (26) are rotated and are installed in the inside of guide rail (21), the output shaft of servo motor (22) extend to the inside of guide rail (21) and with the one end key-type connection of threaded rod (26).
7. The laser cleaning device according to claim 6, wherein: the utility model discloses a mounting table, including mount table (23), second staple bolt (24), ball nut (27) and connecting rod (29), ball nut (27) and threaded rod (26) threaded connection, strip opening (28) have been seted up at the top of guide rail (21), the bottom of connecting rod (29) and the outer wall fixed connection of ball nut (27), the bottom fixed connection of strip opening (28) and mount table (23) is passed on the top of connecting rod (29), second staple bolt (24) fixed mounting is in the top of mount table (23).
8. The laser cleaning device according to claim 6, wherein: the quantity of deep groove ball bearing (25) is two sets of, and two sets of deep groove ball bearing (25) respectively through bearing frame fixed mounting in the both sides inner wall of guide rail (21), the both ends of threaded rod (26) are movable suit respectively in the inner ring of two sets of deep groove ball bearing (25), the oil groove has all been seted up at the both ends of threaded rod (26), and the oil groove intussuseption is filled with lubricating oil.
9. A laser cleaning method is characterized by comprising the following steps:
(S1) disassembling the two groups of second hoops (24), and installing the pipelines to be cleaned on the two groups of second hoops (24) to fix the pipelines to be cleaned.
(S2) adjusting the position of the pipeline to be cleaned, coaxially aligning the pipeline to be cleaned and the air pipe (2), and controlling the laser cleaning device to move along the axial direction of the air pipe (2) until the air pipe (2) extends into the pipeline to be cleaned.
(S3) controlling the laser (1) to start to form a laser source, wherein the laser source is transmitted through the optical fiber (17) and then output after passing through the optical fiber branching device (18) and the branching end (8).
(S4) the input pipeline (5) is in butt joint with the inert gas supply pipeline through the joint (6) to control the gas transmission pump (3) to start, and the inert gas enters the output pipeline (7) after passing through the input pipeline (5) and the pump chamber of the gas transmission pump (3) and then enters the gas pipe (2).
(S5) outputting laser into the pipe to be cleaned, absorbing the laser beam by a pollution layer attached to the inner wall of the pipe to be cleaned, absorbing large energy to form plasma which expands rapidly, generating shock wave, and enabling pollutants to be broken into fragments and removed by the shock wave.
(S6) the inert gas passes through the internal channel of the gas pipe (2), enters the pipeline to be cleaned through the gas transmission end head (9), and is blown to the inner wall of the pipeline to be cleaned by the inert gas, so that dirt can be blown away by the inert gas immediately after being stripped from the inner wall of the pipeline to be cleaned.
(S7) control servo motor (22) start, drive threaded rod (26) synchronous rotation, connecting rod (29) are restricted by strip opening (28), make ball nut (27) not follow threaded rod (26) and rotate, ball nut (27) and threaded rod (26) are screw-thread fit, under the effect of thread engagement, turn into linear motion with rotary motion, clockwise or anticlockwise operation through servo motor (22), can make ball nut (27), connecting rod (29), mount table (23) and second staple bolt (24) lateral motion, and drive and treat the pipeline synchronous motion of washing, treat that the pipeline inner wall arbitrary part all can with the laser contact of output behind optical fiber branching unit (18) and branching end (8).
(S8) after cleaning, closing the laser (1), the servo motor (22) and the air delivery pump (3) in sequence, and controlling the laser cleaning device to move until the air pipe (2) exits from the cleaned pipeline, detaching the two groups of second hoops (24), and taking down the cleaned pipeline.
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| CN202010990980.XA CN112170394B (en) | 2020-09-19 | 2020-09-19 | Laser cleaning device and laser cleaning method |
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| CN202010990980.XA CN112170394B (en) | 2020-09-19 | 2020-09-19 | Laser cleaning device and laser cleaning method |
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| CN112170394B CN112170394B (en) | 2023-05-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113441480A (en) * | 2021-07-16 | 2021-09-28 | 江苏大学 | Compound laser belt cleaning device of marine industrial equipment pipeline inner wall |
| CN114850136A (en) * | 2022-04-18 | 2022-08-05 | 江西中一建工集团有限公司 | Steel pipe internal rust removal device for construction site |
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