CN111992545B - Cleaning device and cleaning method for lower circular seam oxide skin of water heater liner - Google Patents
Cleaning device and cleaning method for lower circular seam oxide skin of water heater liner Download PDFInfo
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- CN111992545B CN111992545B CN202010888604.XA CN202010888604A CN111992545B CN 111992545 B CN111992545 B CN 111992545B CN 202010888604 A CN202010888604 A CN 202010888604A CN 111992545 B CN111992545 B CN 111992545B
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- inner container
- cleaning head
- laser cleaning
- 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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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
Abstract
The invention discloses a cleaning device and a cleaning method for lower circular seam oxide skin of a water heater inner container, relates to the technical field of production of water heater inner containers, and solves the technical problems existing in the prior art that the lower circular seam oxide skin of the water heater inner container is treated by adopting a traditional sand blasting and mechanical polishing surface cleaning process. The cleaning device of the present invention comprises: the lifting mechanism is used for supporting the inner container and driving the inner container to move in the vertical direction; the clamping mechanisms are positioned at two sides of the lifting mechanism and used for fixing the inner container and driving the inner container to rotate; the cleaning mechanism comprises a laser and a laser cleaning head assembly connected with the laser, the laser cleaning head assembly is fixed above the lower circular seam of the inner container, and when the inner container rotates, the laser emitted by the cleaning mechanism cleans the surface of the inner container to be cleaned. The cleaning device has the advantages of good cleaning effect, high control precision, low running cost and environment friendliness.
Description
Technical Field
The invention relates to the technical field of water heater liner production, in particular to a cleaning device and a cleaning method for a lower circular seam oxide skin of a water heater liner.
Background
At present, the lower circular seam oxide skin of the inner container of the water heater is treated by adopting the traditional sand blasting and mechanical polishing surface cleaning process. However, when the oxide skin of the lower circular seam of the water heater liner is cleaned by adopting the traditional modes such as steel wire brush polishing or sand blasting, the problems of incomplete cleaning, poor working environment, high consumable consumption cost, harm to staff health and the like exist.
If the lower circular seam oxide skin is not thoroughly polished, in the subsequent welding process, the lower work function of the oxide skin can disperse welding electric arcs to further influence the welding quality of the lower circular seam, so that the welding quality problems of slag inclusion, air holes, incomplete welding and the like can be caused, repair welding is needed to be carried out on the liner, and a large amount of manpower and material resources are wasted. According to statistics, the welding leakage of the lower circumferential seam of the liner accounts for 20% -30% of the abnormal water leakage of the liner due to incomplete polishing of the lower circumferential seam in the actual production process. Meanwhile, the national attention to energy conservation and environmental protection is higher and higher, and the traditional surface treatment cleaning technology faces huge pressure.
Therefore, developing a device and a method for cleaning the lower circular seam oxide skin of the liner of the water heater, which are environment-friendly and thorough in cleaning, becomes a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
One of the purposes of the invention is to provide a cleaning device and a cleaning method for the lower circular seam oxide skin of the water heater inner container, which solve the technical problems existing in the prior art that the lower circular seam oxide skin of the water heater inner container is treated by adopting the traditional sand blasting and mechanical polishing surface cleaning process. The technical effects that can be produced by the preferred technical scheme of the present invention are described in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention relates to a cleaning device for a lower circular seam oxide skin of a water heater liner, which comprises the following components:
the lifting mechanism is used for supporting the inner container and driving the inner container to move in the vertical direction;
the clamping mechanisms are positioned at two sides of the lifting mechanism and used for fixing the inner container and driving the inner container to rotate;
the cleaning mechanism comprises a laser and a laser cleaning head assembly connected with the laser, wherein the laser cleaning head assembly is fixed above a lower circular seam of the inner container, and when the inner container rotates, the surface to be cleaned of the inner container is cleaned by laser sent by the cleaning mechanism.
According to a preferred embodiment, the cleaning mechanism further comprises a diameter tracking assembly, wherein the diameter tracking assembly is used for tracking and adjusting the distance between the laser cleaning head assembly and the inner container in real time, so that the laser cleaning head assembly keeps a fixed distance from the inner container, and the surface to be cleaned of the inner container is always positioned at the focus position of laser output.
According to a preferred embodiment, the diameter tracking assembly comprises a sensor and a servo motor, wherein the sensor is connected with a central control mechanism arranged in a central control cabinet, the sensor monitors the distance between the laser cleaning head assembly and the inner container in real time by tracking the height change of the outer surface of the inner container, the monitoring result is fed back to the servo motor through the central control mechanism, and the servo motor adjusts the distance between the laser cleaning head assembly and the inner container by controlling the movement of the laser cleaning head mounting frame.
According to a preferred embodiment, an included angle between the laser emitted by the laser cleaning head assembly and the lower end face of the middle section of the inner container is 15-60 degrees.
According to a preferred embodiment, the laser has a laser spot overlapping ratio of 28-32%, a spot center moment of 0.44-0.48 mm, and the spatial arrangement of the laser spots satisfies:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1－sin 2 (θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, θ is two-dimensional spot connecting line included angle, and θ has a value of 60 ° < θ <90 °.
According to a preferred embodiment, the cleaning device for the lower circular seam oxide skin of the water heater liner further comprises a laser cabinet, wherein at least one laser is placed in the laser cabinet; the laser cleaning head assembly has the same number of laser cleaning heads as the lasers and is connected to the lasers.
According to a preferred embodiment, three lasers are placed in the laser cabinet, the laser cleaning head assembly comprises a first laser cleaning head, a second laser cleaning head and a third laser cleaning head, and the first laser cleaning head, the second laser cleaning head and the third laser cleaning head are respectively connected with one laser in the laser cabinet through optical fibers.
According to a preferred embodiment, the power of the first, second and third laser cleaning heads is 200W, 200W and 100W, respectively.
According to a preferred embodiment, the lower circular seam oxide skin cleaning device of the water heater liner further comprises a mounting base, wherein the mounting base comprises a laser cleaning head mounting frame and a servo motor fixing plate, and the laser cleaning head mounting frame is used for mounting a first laser cleaning head, a second laser cleaning head and a third laser cleaning head; the servo motor fixing plate is used for fixing the servo motor.
According to a preferred embodiment, the laser cleaning head mounting frame is provided with an adjusting bolt, and the adjusting bolt is used for adjusting the focal length of the first laser cleaning head, the second laser cleaning head and/or the third laser cleaning head along the radial direction of the lower circular seam of the inner container.
According to a preferred embodiment, the clamping mechanism comprises a first body and a second body, the first body and the second body are respectively located on two sides of the inner container, a first clamping portion is arranged on one side, close to the inner container, of the first body, a second clamping portion is arranged on one side, close to the inner container, of the second body, and the clamping mechanism clamps and fixes the inner container through abutting connection between the first clamping portion and the second clamping portion and two ends of the inner container.
According to a preferred embodiment, the clamping mechanism further comprises a driving motor, one of the first clamping portion and the second clamping portion is provided with a driving shaft, the other one is provided with a driven shaft, and the driving motor is connected with the driving shaft and used for driving the driving shaft to rotate, so that the clamping mechanism drives the inner container to rotate through rotation of the driving shaft and the driven shaft.
According to a preferred embodiment, the clamping mechanism is connected to a central control mechanism arranged in a central control cabinet, and the rotation speed of the clamping mechanism is automatically controlled by the central control mechanism based on set workpiece parameters.
According to a preferred embodiment, the device for cleaning the lower circular seam oxide skin of the water heater liner further comprises a water chiller, wherein the water chiller is a double-temperature double-control water chiller, and the water chiller comprises two paths of cooling pipelines, and the temperatures of cooling water in the two paths of cooling pipelines are different so as to cool the laser and the laser cleaning head assembly respectively through the two paths of cooling pipelines.
According to a preferred embodiment, the water heater inner container lower circular seam oxide skin cleaning device further comprises a smoke dust purifier, wherein the smoke dust purifier comprises a smoke dust purifying body and a collecting part, the collecting part is located below the lower circular seam of the inner container, and the collecting part is further connected with the smoke dust purifying body so as to recycle oxide skin fragments collected by the collecting part into the smoke dust purifying body.
The invention also provides a cleaning method for the lower circular seam oxide skin of the water heater inner container, which is completed by using the cleaning device for the lower circular seam oxide skin of the water heater inner container according to any technical scheme of the invention. Preferably, the method comprises the steps of:
s1: the inner container is fixed, the inner container is conveyed into a cleaning station through a conveying line body, a jacking table of a lifting mechanism ascends, the inner container is clamped by a clamping mechanism, and the jacking table descends;
s2: the cleaning inner container, when the clamping mechanism drives the inner container to rotate under the control of the central control mechanism, the laser cleaning head component descends towards the direction close to the lower circumferential seam of the inner container and cleans the surface to be cleaned of the inner container through laser emitted by the laser cleaning head component,
simultaneously, the diameter tracking component tracks and adjusts the distance between the laser cleaning head component and the inner container in real time, so that the laser cleaning head component keeps a fixed distance with the inner container, the surface to be cleaned of the inner container is always positioned at the focus position of laser output,
Simultaneously, the cold water machine cools the laser and the laser cleaning head assembly;
and meanwhile, the dust purifier recovers the cleaned scraps.
S3: after cleaning, the laser cleaning head assembly resets, the jacking table ascends, the clamping mechanism releases the clamping of the inner container, then the jacking table descends, and the inner container enters the next station through the conveying line body.
The cleaning device and the cleaning method for the lower circular seam oxide skin of the water heater liner have at least the following beneficial technical effects:
the invention relates to a cleaning device for lower circular seam oxide skin of a water heater liner, which comprises a lifting mechanism, a clamping mechanism and a cleaning mechanism, wherein the cleaning mechanism comprises a laser and a laser cleaning head assembly, and laser emitted by the laser is transmitted to the laser cleaning head assembly through an optical fiber, so that the lower circular seam oxide skin can be cleaned through the laser emitted by the laser cleaning head assembly. The lower circular seam oxide skin cleaning device for the water heater inner container can realize automatic laser cleaning of the lower circular seam oxide skin through the synergistic effect of the mechanisms, and solves the problems that polishing is incomplete, the operation environment is poor, the consumable consumption cost is high, the health of staff is endangered and the like when the lower circular seam oxide skin of the water heater inner container is cleaned by adopting a traditional mode such as steel wire brush polishing or sand blasting in the prior art.
In addition, the preferred technical scheme of the invention can also have the following technical effects:
the cleaning mechanism of the preferred technical scheme of the invention further comprises a diameter tracking component, wherein the diameter tracking component is used for tracking and adjusting the distance between the laser cleaning head component and the inner container in real time so as to keep the fixed distance between the laser cleaning head component and the inner container and keep the surface to be cleaned of the inner container at the focus position of laser output all the time, thereby obtaining the best cleaning effect, solving the industrial problem that the distances between the laser cleaning head component and two sides of a welding line are inconsistent, and being applicable to cleaning the lower circular seam oxide skin of the inner container of the water heater with the accumulated height difference between the middle section of the inner container and the cambered surface of the lower sealing head reaching 7 mm.
The included angle between the laser emitted by the laser cleaning head component and the lower end face of the middle section of the inner container is 15-60 degrees, namely the laser is obliquely incident, so that the surface to be cleaned of the inner container can be cleaned.
The laser spot overlapping rate of the laser in the preferred technical scheme is set to 28-32%, the spot center moment is set to 0.44-0.48 mm, and the spatial arrangement of the laser spots meets the following conditions: v<2Rfcos(θ/2)，l<2Rsin(θ/2)(1－sin 2 (theta/2)), namely selecting reasonable light spots to be densely arranged, arranging the original independent laser light spots in an orderly manner through a space, and enabling the maximum oxide skin cleaning thickness to be within the range of the light spot overlapping area, so that the oxide skin with the maximum thickness can be cleaned, the cleaning effect of the oxide skin is optimal, and the technical difficulty that the oxide skin and enamel subjected to laser cleaning are not completely covered is solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first schematic view of the liner of the present invention;
FIG. 2 is a second schematic view of the liner of the present invention;
FIG. 3 is a third schematic view of the liner of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a front view of the lower circular seam oxide skin cleaning device of the water heater liner of the present invention;
FIG. 6 is a top view of the lower circular seam oxide skin cleaning device of the water heater liner of the present invention;
FIG. 7 is a side view of the device for cleaning the lower circular seam oxide skin of the inner container of the water heater.
In the figure: 1. a lifting mechanism; 101. a jacking table; 2. a laser cabinet; 3. a central control cabinet; 4. a water chiller; 5. a smoke purifier; 6. a clamping mechanism; 601. a first body; 602. a second body; 7. a laser cleaning head assembly; 701. a first laser cleaning head; 702. a second laser cleaning head; 703. a third laser cleaning head; 8. a diameter tracking assembly; 9. a mounting base; 10. an inner container; 1001. an upper head assembly; 1002. a middle section of the inner container; 1003. a lower end enclosure; 1004. a first surface to be cleaned; 1005. a second surface to be cleaned; 1006. a third to-be-cleaned face; 1007. and a lower girth weld.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The following describes the cleaning device and the cleaning method for the lower circular seam oxide skin of the water heater liner according to the present invention in detail with reference to examples 1 and 2 and the accompanying drawings 1 to 7.
As shown in fig. 1 to 3, the water heater liner 10 is integrally in a cylindrical structure, and the water heater liner 10 comprises an upper seal head assembly 1001, a liner middle section 1002 and a lower seal head 1003, wherein the upper seal head assembly 1001 and the lower seal head 1003 are respectively positioned at two ends of the liner middle section 1002. The lower circumferential weld 1007 is located at a position where the lower end surface of the middle section 1002 of the liner is close to the surface of the lower seal head 1003, as shown in fig. 3.
According to a preferred embodiment, the apparatus and method for cleaning the scale on the surface to be cleaned of the liner 10 are used for cleaning the scale on the lower circumferential seam of the liner of the water heater. Preferably, the surfaces to be cleaned of the liner 10 according to this embodiment include a first surface to be cleaned 1004, a second surface to be cleaned 1005, and a third surface to be cleaned 1006, as shown in fig. 4. More preferably, the first surface 1004 to be cleaned is in the range of 6-12 mm near the lower girth weld 1007 in the middle section 1002 of the liner. The second surface 1005 to be cleaned is the range of the lower end surface of the middle section 1002 of the inner container, the thickness of the middle section 1002 of the inner container is 1.8-2 mm, and the second surface 1005 to be cleaned is the range of the middle section 1002 of the inner container in the thickness direction of 1.8-2 mm. The third surface 1006 to be cleaned is the range of 6-12 mm of the lower seal head 1003 close to the lower girth weld 1007.
Example 1
The present embodiment describes the water heater liner lower circumferential seam scale cleaning device of the present invention in detail.
The circular seam oxide skin belt cleaning device under the water heater inner bag of this embodiment includes: the lifting mechanism 1 is used for supporting the inner container 10 and driving the inner container 10 to move in the vertical direction; the clamping mechanisms 6 are positioned on two sides of the lifting mechanism 1, and the clamping mechanisms 6 are used for fixing the inner container 10 and driving the inner container 10 to rotate; the cleaning mechanism comprises a laser and a laser cleaning head assembly 7 connected with the laser, wherein the laser cleaning head assembly 7 is fixed above a lower circular seam of the liner 10, and when the liner 10 rotates, the laser emitted by the cleaning mechanism cleans a surface to be cleaned of the liner 10.
The lower circular seam oxide skin cleaning device of the inner container of the water heater comprises a lifting mechanism 1, a clamping mechanism 6 and a cleaning mechanism, wherein the cleaning mechanism comprises a laser and a laser cleaning head assembly 7, laser emitted by the laser is transmitted to the laser cleaning head assembly 7 through an optical fiber, and therefore the lower circular seam oxide skin can be cleaned through the laser emitted by the laser cleaning head assembly 7. Namely, the lower circular seam oxide skin cleaning device of the water heater inner container of the embodiment can realize automatic laser cleaning of the lower circular seam oxide skin through the synergistic effect of the mechanisms, and solves the problems that polishing is incomplete, the operation environment is poor, the consumable consumption cost is high, the health of staff is endangered and the like when the lower circular seam oxide skin of the water heater inner container is cleaned by adopting the traditional modes such as steel wire brush polishing or sand blasting and the like in the prior art.
According to a preferred embodiment, the cleaning mechanism further comprises a diameter tracking assembly 8, as shown in fig. 7. The diameter tracking component 8 is used for tracking and adjusting the distance between the laser cleaning head component 7 and the inner container 10 in real time, so that the distance between the laser cleaning head component 7 and the inner container 10 is kept constant, and the surface to be cleaned of the inner container 10 is always positioned at the focal position of laser output. Preferably, the diameter tracking assembly 8 comprises a sensor and a servo motor, wherein the sensor is connected with a central control mechanism arranged in the central control cabinet 3, the sensor monitors the distance between the laser cleaning head assembly 7 and the inner container 10 in real time by tracking the height change of the outer surface of the inner container 10, the monitoring result is fed back to the servo motor through the central control mechanism, and the servo motor adjusts the distance between the laser cleaning head assembly 7 and the inner container 10 by controlling the movement of a laser cleaning head mounting frame.
Preferably, the diameter tracking assembly 8 of the present embodiment may be a capacitive cleaning head curved surface fitting follow-up system, and adopts a non-contact capacitive sensor working principle to automatically detect a working gap between the laser cleaning head assembly 7 and the liner 10. Preferably, the preferred technical scheme of the embodiment adopts the integrated design of the sensor and the laser cleaning head assembly 7, the laser cleaning head assembly 7 is a sensitive element of a capacitive sensor, and forms a capacitor with the inner container 10, and the gap error signal is finally demodulated through pre-amplification, signal modulation, linear processing and amplification and PID processing, so that the constant gap between the laser cleaning head assembly 7 and the inner container 10 is ensured, and the focus is always positioned on the surface of a substrate to be cleaned, thereby realizing the adaptive closed-loop control of the focus position and achieving the high-quality and stable cleaning effect.
Preferably, the three laser cleaning heads of the laser cleaning head assembly 7 share a diameter tracking assembly 8 to meet the use requirements. The sensor is arranged on the laser cleaning head, the distance between the inner container 10 and the laser cleaning head assembly 7 is monitored in real time, and the distance is fed back to the servo motor through the central control mechanism, so that the laser cleaning head is always in a focusing state, errors caused by radial runout of the inner container 10 can be effectively compensated, and the cleaning uniformity and the cleaning quality are ensured.
The cleaning mechanism of the preferred technical scheme of the embodiment further comprises a diameter tracking assembly 8, a sensor of the diameter tracking assembly 8 is positioned on the side face of the laser cleaning head assembly 7, the diameter tracking assembly 8 is matched with a servo motor through the sensor, and the change of the height of the outer surface of the inner container 10 is tracked in real time, so that the laser cleaning head assembly 7 and the surface to be cleaned of the inner container 10 are always kept at a fixed distance, the surface to be cleaned is always positioned at a focus position of laser output, the best cleaning effect is obtained, the industrial problem that the distance between the laser cleaning head assembly 7 and two sides of a welding line is inconsistent is solved, and the cleaning mechanism is applicable to cleaning of the lower circular seam oxide skin of the inner container of a water heater, wherein the difference of the cambered surface heights of the middle section 1002 and the lower sealing head 1003 of the inner container is accumulated to be 7 mm.
According to a preferred embodiment, the angle between the laser light emitted by the laser cleaning head assembly 7 and the lower end face of the middle section 1002 of the inner container 10 is 15-60 degrees. Preferably, the included angle between the laser emitted by the laser cleaning head assembly 7 and the lower end surface of the middle section 1002 of the inner container 10 is 30 degrees. The lower end surface of the middle section 1002 of the liner is a second surface 1005 to be cleaned, as shown in fig. 4.
The first surface to be cleaned 1004 located in the area of 6-12 mm of the middle section 1002 of the inner container near the lower circumferential seam 1007, the second surface to be cleaned 1005 located in the area of the lower end surface of the middle section 1002 of the inner container, and the third surface to be cleaned 1006 located in the area of 6-12 mm of the lower seal head 1003 near the lower circumferential seam 1007 are all required to be cleaned, and laser and the second surface to be cleaned 1005 are obliquely incident at a certain angle (such as 30 ℃), so that all the three surfaces to be cleaned can be cleaned. However, the oblique incidence of the incident laser can lead to large change of the focal depth of the laser and uneven light spot energy distribution; in addition, the inner container 10 is of a non-standard circle and a lower circular seam unique lap joint structure, the lap joint difference between the two sides of the welding seam between the lower seal head 1003 and the middle section 1002 of the inner container is up to 7mm, the divergence of laser at a focus is weakened by adjusting the characteristics of a light source and the characteristics of an external light path, the quality of a light beam is improved, the energy density near the focus is large enough, the cleaning uniformity in the angle incidence process can be ensured, and the problem of the distance difference caused by oblique incidence and deformation is solved. The high tolerance technique described in the preferred technical solution of this embodiment may also be referred to as a long focal depth technique, which is a technique in the prior art (focal depth is the focal depth length, that is, the difference between the maximum value and the minimum value of the focal length, which is equivalent to an allowable range for achieving uniform cleaning of an uneven surface during the laser cleaning process, and high tolerance is also referred to as focal depth). The preferred embodiment achieves tolerances up to 20mm by employing high tolerance techniques.
Namely, the preferred technical scheme of the embodiment can realize 20mm tolerance by adopting a high tolerance technology, allows the focus of the processing process to deviate, ensures the cleaning uniformity when the laser beam is incident at an angle, and can clean three surfaces of the lower circular seam of the liner to be cleaned.
According to a preferred embodiment, the laser spot overlap ratio of the laser is set to 28-32%, the spot center moment is set to 0.44-0.48 mm, and the spatial arrangement of the laser spots satisfies:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1-sin 2 (θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, θ is two-dimensional spot connecting line included angle, and θ has a value of 60 ° < θ <90 °.
The thickness distribution of oxide skin on the surface of the liner 10 has large difference, and a small amount of enamel powder is arranged on the surface layer, and because the requirement of the cleaning process on the uniformity of material cleaning is high, the preferred technical scheme of the embodiment selects reasonable light spots to be densely arranged by optimizing the space arrangement of laser light spots, the overlapping rate of the light spots is set to be 28-32%, the central moment of the light spots is set to be 0.44-0.48 mm, and v is satisfied simultaneously<2Rfcos(θ/2)，l<2Rsin(θ/2)(1-sin 2 (theta/2)), the original independent laser spots are sequentially distributed through the space, so that the maximum oxide skin cleaning thickness is within the range of a spot overlapping area (the laser is an independent spot, and the spot overlapping area is formed by overlapping adjacent spots) The area between the points) so that the oxide skin with the maximum thickness can be cleaned, thereby ensuring that the cleaning effect of the oxide skin is optimal, and solving the technical difficulty that the oxide skin and the enamel are not completely covered by the laser cleaning. Table 1 below shows the cleaning effect for different spot overlap rates and different spot center moments.
TABLE 1
| Sequence number | Spot overlap ratio/(%) | Spot center moment/(mm) | Evaluation of cleaning Effect |
| 1 | 68～72 | 0.13～0.17 | Difference of difference |
| 2 | 56～60 | 0.21～0.25 | Difference of difference |
| 3 | 43～47 | 0.36～0.40 | Preferably, it is |
| 4 | 28～32 | 0.44～0.48 | Good (good) |
| 5 | 13～17 | 0.52～0.56 | Preferably, it is |
As is clear from Table 1, the spot overlapping ratio was set to 28 to 32%, and the spot center moment was set to 0.44 to 0.48mm, whereby a good cleaning effect was obtained.
According to a preferred embodiment, the cleaning device for the lower circular seam oxide skin of the water heater liner further comprises a laser cabinet 2, wherein at least one laser is arranged in the laser cabinet 2; the laser cleaning head assembly 7 has the same number of laser cleaning heads as lasers, and the laser cleaning heads are connected to the lasers. Preferably, three lasers are placed in the laser cabinet 2, the laser cleaning head assembly 7 comprises a first laser cleaning head 701, a second laser cleaning head 702 and a third laser cleaning head 703, and the first laser cleaning head 701, the second laser cleaning head 702 and the third laser cleaning head 703 are respectively connected with one laser in the laser cabinet 2 through optical fibers. More preferably, the power of the first laser cleaning head 701, the second laser cleaning head 702, and the third laser cleaning head 703 is 200W, and 100W, respectively.
The laser of the preferred technical scheme of the embodiment is positioned in the laser cabinet 2, laser irradiates the oxide skin of the welding line of the inner container of the water heater through the laser cleaning head assembly 7, and the full coverage of the laser near the welding line of the workpiece is realized through controlling the power, the pulse width, the frequency and the like of the laser and the rotation of the inner container 10, so that the oxide skin on the surface is instantaneously evaporated, gasified or peeled off, which cannot be realized by the traditional cleaning. Key process parameters, such as laser power, pulse frequency, pulse width, scan speed, pulse energy, etc., which have a direct impact on laser cleaning can be adjusted by controlling the display of the laser cabinet 2. Preferably, the power of the laser is 500W, and a mode of combining three 200W+200W+100W lasers is adopted, wherein two 200W lasers are used for guaranteeing that oxide scale is cleaned in production beats, and a 100W laser is used for guaranteeing that a circular seam substrate under the liner 10 is exposed out of metal and has bright white luster, and the overall requirement of laser cleaning of the liner 10 is achieved through the synergistic effect of the three lasers.
It should be noted that, when each laser works independently, the oxide skin of the lower circular seam of the liner 10 is not cleaned, or the cleaning effect of a single 500W laser is not as good as that of 100W or 200W laser, so that the actual cleaning is a combined cleaning mode of three lasers of 200w+200w+100w, and the three lasers work simultaneously during cleaning. Of course, in the manual mode, a single laser or any two lasers can be selected to be turned on. If the oxide scale can be cleaned, one of the lasers can be started at will.
According to a preferred embodiment, the water heater liner lower circumferential seam scale cleaning device further comprises a mounting base 9, as shown in fig. 5. The mounting base 9 comprises a laser cleaning head mounting frame and a servo motor fixing plate, wherein the laser cleaning head mounting frame is used for mounting a first laser cleaning head 701, a second laser cleaning head 702 and a third laser cleaning head 703; the servo motor fixing plate is used for fixing the servo motor.
According to a preferred embodiment, the laser cleaning head mounting frame is provided with adjusting bolts for adjusting the focal length of the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 in the radial direction of the lower circumferential seam of the inner container 10. Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and the third laser cleaning head 703 are each provided with an adjusting bolt whose focal length can be adjusted. Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 are fixed to the laser cleaning head mounting frame by a fixing assembly, and the adjusting bolt is disposed on the fixing assembly. The fixing assembly is for example a bolt assembly and/or a clamping block assembly.
The radial direction of the lower circumferential seam of the liner 10 according to the preferred embodiment of the present invention refers to the direction approaching the lower circumferential seam or the direction separating from the lower circumferential seam, and may be referred to as the up-down direction. According to the preferred technical scheme of the embodiment, through the action of the adjusting bolt, the focal length of the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 can be finely adjusted along the radial direction of the lower circular seam of the liner 10, so that the surface to be cleaned is always positioned at the focal position of laser output. In the preferred embodiment, the adjusting the focal lengths of the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 by the adjusting bolt refers to adjusting the distances between the surface of the inner container 10 and the inner field lens of the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 by the adjusting bolt, so that the surface to be cleaned is always at the focal position of the laser output.
Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 in the preferred technical solution of this embodiment may also adjust the left-right direction position thereof through the central control system, that is, adjust the scanning range of the laser cleaning head assembly 7 (or adjust the cleaning width of the laser cleaning head assembly 7), so that the laser cleaning head assembly can cover all positions to be cleaned, and improve the cleaning quality.
Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 are components in the prior art, and mainly comprise a high-speed scanning galvanometer, a driving card, a field lens and the like.
According to a preferred embodiment, the clamping mechanism 6 comprises a first body 601 and a second body 602, the first body 601 and the second body 602 being located on two sides of the liner 10, respectively, as shown in fig. 5. Preferably, a first clamping portion is disposed on a side of the first body 601 close to the inner container 10, a second clamping portion is disposed on a side of the second body 602 close to the inner container 10, and the clamping mechanism 6 clamps and fixes the inner container 10 by abutting the first clamping portion and the second clamping portion with two ends of the inner container 10.
Preferably, the first clamping portion and the second clamping portion have shafts protruding from the first body 601 and the second body 602, and the clamping mechanism 6 according to the preferred embodiment of the present invention further includes an air cylinder, and the first clamping portion and/or the second clamping portion can move in a direction approaching the inner container 10 and in a direction separating from the inner container 10 by driving the air cylinder. Specifically, the cylinder of the preferred embodiment is used for driving the first clamping portion, and when the liner 10 rises to the cleaning station under the action of the lifting mechanism 1, the cylinder drives the first clamping portion to move in a direction close to the lower seal head 1003, and makes the first clamping portion push against the cambered surface on the outer side of the lower seal head 1003, and simultaneously the second clamping portion push against the magnesium rod mouth joint on the upper seal head assembly 1001, so that the liner 10 is clamped and fixed. It can be seen that after the cleaning is completed, the cylinder drives the first clamping portion to move away from the lower seal head 1003, so that the clamping mechanism 6 can release the clamping and fixing of the liner 10.
According to a preferred embodiment, the clamping mechanism 6 further includes a driving motor, one of the first clamping portion and the second clamping portion has a driving shaft, the other has a driven shaft, and the driving motor is connected to the driving shaft and is used to drive the driving shaft to rotate, so that the clamping mechanism 6 rotates the inner container 10 by the rotation of the driving shaft and the driven shaft. The preferred technical scheme of the embodiment can drive the inner container 10 to rotate under the action of the driving motor, so that the oxide skin at the circumferential seams of the inner container 10 in all directions can be conveniently cleaned. Preferably, the clamping mechanism 6 is connected with a central control mechanism arranged in the central control cabinet 3, and the rotation speed of the clamping mechanism 6 is automatically controlled by the central control mechanism based on the set workpiece parameters.
Preferably, in the preferred technical solution of this embodiment, the shaft of the first clamping portion is a driving shaft, and the shaft of the second clamping portion is a driven shaft. When the first clamping portion abuts against the cambered surface on the outer side of the lower seal head 1003, the first clamping portion rotates under the transmission of the driving motor, and meanwhile, the second clamping portion rotates under the driving of the first clamping portion, so that the liner 10 can be driven to rotate.
According to a preferred embodiment, the device for cleaning the lower circular seam oxide skin of the water heater liner further comprises a water chiller 4, as shown in fig. 5 or 6. Preferably, the water chiller 4 is a dual-temperature dual-control water chiller, and the water chiller 4 includes two cooling pipelines, wherein the temperatures of the cooling water in the two cooling pipelines are different, so as to cool the laser and the laser cleaning head assembly 7 respectively through the two cooling pipelines. Preferably, the water chiller 4 provides a path of chilled water for cooling the laser; meanwhile, the water chiller 4 also provides a path of normal-temperature water which is equivalent to the ambient temperature and is used for cooling the laser cleaning head assembly 7. More preferably, the water chiller 4 is of a structure in the prior art, and will not be described in detail herein. The preferred technical scheme of the embodiment can achieve the efficacy of protecting the laser and the laser cleaning head assembly 7 safely by arranging the water chiller 4.
According to a preferred embodiment, the lower circular seam oxide skin cleaning device of the water heater liner further comprises a smoke purifier 5, as shown in fig. 5 or 6. Preferably, the soot cleaner 5 includes a soot cleaning body and a collecting portion located below the lower circumferential seam of the liner 10, the collecting portion further being connected to the soot cleaning body to recover the scale scraps collected by the collecting portion into the soot cleaning body. More preferably, the smoke purifier 5 is a structure in the prior art, and will not be described herein. According to the preferred technical scheme of the embodiment, the smoke purifier 5 is arranged, so that the cleaned debris residues can be recovered, zero dust emission is realized, secondary pollution to the environment is avoided, and the environment-friendly requirement is met.
Preferably, the smoke purifier 5 adopts a cartridge filter and is also provided with a standard dust vibrating device, the dust vibrating device can effectively clean the scraps adhered to the surface of the cartridge, the cartridge is prevented from being blocked, and a drawer type dust box is arranged at the bottom of the device. The smoke purifier 5 of the preferred technical scheme of the embodiment has the advantages of large air quantity, strong suction force, environment-friendly and noiseless equipment, no secondary pollution and no environmental pollution.
Example 2
The embodiment describes in detail a method for cleaning the lower circular seam oxide skin of the inner container of the water heater.
The method for cleaning the lower circular seam oxide skin of the inner container of the water heater in the embodiment is realized by using the device for cleaning the lower circular seam oxide skin of the inner container of the water heater in any one of the technical schemes in the embodiment 1.
According to a preferred embodiment, the method for cleaning the lower circular seam oxide skin of the water heater liner comprises the following steps:
s1: the inner container 10 is fixed, the inner container 10 is conveyed into a cleaning station through a conveying line body, the lifting table 101 of the lifting mechanism 1 is lifted, the clamping mechanism 6 clamps the inner container 10, and the lifting table 101 is lowered. Preferably, the jacking table 101 is a cylinder-like jacking mechanism.
S2: when the inner container 10 is cleaned and the clamping mechanism 6 drives the inner container 10 to rotate under the control of the central control mechanism, the laser cleaning head assembly 7 descends towards the direction close to the lower circumferential seam of the inner container and cleans the surface to be cleaned of the inner container 10 through laser emitted by the laser cleaning head assembly 7. Meanwhile, the diameter tracking assembly 8 tracks and adjusts the distance between the laser cleaning head assembly 7 and the inner container 10 in real time, so that the distance between the laser cleaning head assembly 7 and the inner container 10 is kept constant, and the surface to be cleaned of the inner container 10 is always positioned at the focus position of laser output. While the chiller 4 cools the laser and laser cleaning head assembly 7. At the same time, the dust purifier 5 recovers the cleaned chips.
S3: after the cleaning is finished, the laser cleaning head assembly 7 is reset, the jacking table 101 ascends, the clamping mechanism 6 releases the clamping of the liner 10, the jacking table 101 descends, and the liner 10 enters the next station through the conveying line body. The steps S1 to S3 are repeated in this manner, and the next liner 10 can be continuously cleaned.
The device and the method for cleaning the lower circular seam oxide skin of the water heater liner have the advantages of good cleaning effect, high control precision, low operation cost and environmental protection, and specifically comprise the following steps:
(1) The lower circular seam oxide skin of the water heater inner container is thoroughly cleaned, so that the surface to be cleaned can be accurately cleaned, the problem of polishing pain points of the oxide skin of the water heater inner container 10 is thoroughly solved, the welding quality of the subsequent inner container 10 can be improved, and the water detection leakage and repair welding repair rate of the inner container 10 are remarkably reduced;
(2) The cleaned debris residues are recycled through the smoke purifier 5, so that zero dust emission is realized, secondary pollution to the environment is avoided, and the environment-friendly requirement is met;
(3) The electric energy is converted into light energy, only the electric charge is needed, the consumption of consumable materials such as a steel wire brush and steel grit is not needed, and meanwhile, the cost caused by labor, equipment, welding materials, electric charge and the like caused by repair welding and repair of the liner 10 is reduced, and the production cost is greatly reduced;
(4) And the time of manually replacing the steel wire brush or the steel grit when the wire is stopped is canceled, and the equipment utilization rate of the lower circular seam cleaning post of the water heater liner and the output efficiency of the rear welding section of the liner 10 are improved.
The cleaning device and the cleaning method for the lower circular seam oxide skin of the water heater inner container, disclosed by the invention, are used for cleaning the lower circular seam oxide skin of the water heater inner container by using a laser technology, and are also applicable to cleaning of oil stains, plastic spraying layers, rust, enamel layers, paint and other coating layers. The number of laser cleaning heads on the cleaning device can be increased or decreased for different cleaning surfaces.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (15)
1. The utility model provides a water heater inner bag lower girth oxide skin belt cleaning device which characterized in that includes:
the lifting mechanism (1) is used for supporting the inner container (10) and driving the inner container (10) to move in the vertical direction;
the clamping mechanisms (6) are positioned on two sides of the lifting mechanism (1), and the clamping mechanisms (6) are used for fixing the inner container (10) and driving the inner container (10) to rotate;
The cleaning mechanism comprises a laser and a laser cleaning head assembly (7) connected with the laser, the laser cleaning head assembly (7) is fixed above a lower circular seam of the inner container (10), and when the inner container (10) rotates, the surface to be cleaned of the inner container (10) is cleaned by laser emitted by the cleaning mechanism;
the overlapping rate of laser spots of the laser is set to 28-32%, the central moment of the spots is set to 0.44-0.48 mm, and the spatial arrangement of the laser spots meets the following conditions:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1－sin 2 (θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, θ is two-dimensional spot connecting line included angle, and θ has a value of 60 ° < θ <90 °.
2. The device for cleaning the lower circular seam oxide skin of the water heater liner according to claim 1, wherein the cleaning mechanism further comprises a diameter tracking assembly (8), the diameter tracking assembly (8) is used for tracking and adjusting the distance between the laser cleaning head assembly (7) and the liner (10) in real time,
so that the laser cleaning head assembly (7) keeps a fixed distance from the inner container (10), and the surface to be cleaned of the inner container (10) is always positioned at the focus position of laser output.
3. The water heater liner lower circumferential seam scale cleaning apparatus of claim 2, wherein the diameter tracking assembly (8) comprises a sensor and a servo motor, wherein,
The sensor is connected with a central control mechanism arranged in the central control cabinet (3), the sensor monitors the distance between the laser cleaning head assembly (7) and the inner container (10) in real time by tracking the height change of the outer surface of the inner container (10) and feeds the monitoring result back to the servo motor through the central control mechanism,
the servo motor adjusts the distance between the laser cleaning head assembly (7) and the inner container (10) by controlling the movement of the laser cleaning head mounting frame.
4. The device for cleaning the lower circular seam oxide skin of the water heater liner according to claim 1, wherein an included angle between laser emitted by the laser cleaning head assembly (7) and the lower end face of the middle section (1002) of the liner (10) is 15-60 degrees.
5. The cleaning device for the lower circular seam oxide skin of the water heater liner according to claim 1, further comprising a laser cabinet (2), wherein at least one laser is placed in the laser cabinet (2);
the laser cleaning head assembly (7) has the same number of laser cleaning heads as the lasers, and the laser cleaning heads are connected with the lasers.
6. The water heater liner lower circumferential seam scale cleaning device of claim 5, wherein three lasers are placed in the laser cabinet (2), the laser cleaning head assembly (7) comprises a first laser cleaning head (701), a second laser cleaning head (702) and a third laser cleaning head (703), and
The first laser cleaning head (701), the second laser cleaning head (702) and the third laser cleaning head (703) are respectively connected with one laser in the laser cabinet (2) through optical fibers.
7. The water heater liner lower circumferential seam scale cleaning device of claim 6, wherein the power of the first laser cleaning head (701), the second laser cleaning head (702) and the third laser cleaning head (703) are 200W, 200W and 100W, respectively.
8. The water heater liner lower circumferential seam scale cleaning device according to claim 1, further comprising a mounting base (9), wherein the mounting base (9) comprises a laser cleaning head mounting frame and a servo motor fixing plate, wherein,
the laser cleaning head mounting frame is used for mounting a first laser cleaning head (701), a second laser cleaning head (702) and a third laser cleaning head (703);
the servo motor fixing plate is used for fixing the servo motor.
9. The water heater liner lower circumferential seam oxide skin cleaning device of claim 8, wherein an adjusting bolt is arranged on the laser cleaning head mounting frame, and the adjusting bolt is used for adjusting focal lengths of the first laser cleaning head (701), the second laser cleaning head (702) and/or the third laser cleaning head (703) along a radial direction of a lower circumferential seam of the liner (10).
10. The water heater liner lower circumferential seam scale cleaning apparatus as claimed in claim 1, wherein the clamping mechanism (6) comprises a first body (601) and a second body (602), the first body (601) and the second body (602) are respectively located at two sides of the liner (10), and
a first clamping part is arranged on one side of the first body (601) close to the inner container (10), a second clamping part is arranged on one side of the second body (602) close to the inner container (10),
the clamping mechanism (6) clamps and fixes the inner container (10) through the abutting joint of the first clamping part and the second clamping part and the two ends of the inner container (10).
11. The water heater liner lower circumferential seam scale cleaning apparatus as set forth in claim 10, wherein said clamping mechanism (6) further comprises a driving motor, one of said first clamping portion and said second clamping portion has a driving shaft, the other has a driven shaft, and
the driving motor is connected with the driving shaft and used for driving the driving shaft to rotate, so that the clamping mechanism (6) drives the inner container (10) to rotate through rotation of the driving shaft and the driven shaft.
12. The water heater liner lower circumferential seam scale cleaning device according to claim 11, wherein the clamping mechanism (6) is connected with a central control mechanism arranged in a central control cabinet (3), and the rotation speed of the clamping mechanism (6) is automatically controlled by the central control mechanism based on set workpiece parameters.
13. The water heater liner lower circumferential seam scale cleaning device of claim 1, further comprising a water chiller (4), wherein the water chiller (4) is a dual temperature dual control water chiller, and
the water chiller comprises two paths of cooling pipelines, and the temperatures of cooling water in the two paths of cooling pipelines are different, so that the laser and the laser cleaning head assembly (7) are cooled through the two paths of cooling pipelines respectively.
14. The cleaning device for the lower circular seam oxide skin of the water heater liner according to claim 1, further comprising a smoke purifier (5), wherein the smoke purifier (5) comprises a smoke purifying body and a collecting part,
the collecting part is positioned below the lower circular seam of the liner (10), and is also connected with the smoke purification body so as to recycle the oxide scale scraps collected by the collecting part into the smoke purification body.
15. A cleaning method using the water heater liner lower circumferential seam scale cleaning apparatus as defined in any one of claims 1 to 14, said method comprising the steps of:
s1: the inner container (10) is fixed, the inner container (10) is conveyed into a cleaning station through a conveying line body, a jacking table (101) of a lifting mechanism (1) ascends, a clamping mechanism (6) clamps the inner container (10), and the jacking table (101) descends;
S2: the cleaning inner container (10), when the clamping mechanism (6) drives the inner container (10) to rotate under the control of the central control mechanism, the laser cleaning head assembly (7) descends towards the direction close to the lower circular seam of the inner container and cleans the surface to be cleaned of the inner container (10) through laser emitted by the laser cleaning head assembly (7),
meanwhile, the diameter tracking component (8) tracks and adjusts the distance between the laser cleaning head component (7) and the inner container (10) in real time, so that the laser cleaning head component (7) keeps a fixed distance with the inner container (10) and the surface to be cleaned of the inner container (10) is always positioned at the focus position of laser output,
meanwhile, the cold water machine (4) cools the laser and the laser cleaning head assembly (7),
meanwhile, the dust purifier (5) recovers the cleaned scraps;
s3: after cleaning, the laser cleaning head assembly (7) is reset, the jacking table (101) is lifted, the clamping mechanism (6) is used for releasing the clamping of the inner container (10), then the jacking table (101) is lowered, and the inner container (10) enters the next station through the conveying line body.
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| CN114481156B (en) * | 2021-12-20 | 2023-09-29 | 上海新力动力设备研究所 | Cleaning system and cleaning method for thin-wall cylindrical shell |
| CN115945561B (en) * | 2022-12-30 | 2024-04-02 | 江苏擎高精密工业部件有限公司 | Forming die with welding jig |
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