CN212597624U - Water heater inner bag lower circumferential weld cinder belt cleaning device - Google Patents
Water heater inner bag lower circumferential weld cinder belt cleaning device Download PDFInfo
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- CN212597624U CN212597624U CN202021854396.3U CN202021854396U CN212597624U CN 212597624 U CN212597624 U CN 212597624U CN 202021854396 U CN202021854396 U CN 202021854396U CN 212597624 U CN212597624 U CN 212597624U
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Abstract
The utility model discloses a circumferential weld cinder belt cleaning device under water heater inner bag relates to water heater inner bag production technical field, has solved the technical problem that the circumferential weld cinder adopted traditional sandblast, the surface cleaning technology of mechanical polishing to handle to exist under the water heater inner bag among the prior art. The utility model discloses a belt cleaning device includes: 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 on two sides of the lifting mechanism and are used for fixing the liner and driving the liner 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 liner, and when the liner rotates, the surface to be cleaned of the liner is cleaned through laser emitted by the cleaning mechanism. The utility model discloses a belt cleaning device has that the cleaning performance is good, control accuracy is high, the running cost is low and green's advantage.
Description
Technical Field
The utility model relates to a water heater inner bag production technical field especially relates to a water heater inner bag lower circumferential weld cinder belt cleaning device.
Background
At present, the oxide skin of the lower annular seam of the liner of the water heater is treated by adopting the traditional surface cleaning process of sand blasting and mechanical polishing. However, when the oxide skin of the lower circular seam of the liner of the water heater is cleaned by adopting the traditional modes of steel wire brush polishing or sand blasting and the like, the problems of incomplete cleaning, poor operation environment, high material consumption cost, harm to the health of workers and the like exist.
If the scale cinder of lower circumferential weld is not polished thoroughly, in the follow-up welding process, because the lower work function of scale cinder self can disperse welding electric arc and then influence lower circumferential weld welding quality to can lead to welding quality problems such as inclusion sediment, gas pocket, incomplete penetration, need repair welding to the inner bag, wasted a large amount of manpower and materials. Statistics shows that the welding leakage of the lower circular seam of the inner container accounts for 20-30% of the abnormal water leakage detection of the inner container due to the incomplete polishing of the lower circular seam in the actual production process. Meanwhile, the national attention on energy conservation and environmental protection is higher and higher, and the traditional surface treatment and cleaning technology faces huge pressure.
Therefore, developing a green environmental protection, thorough washing water heater inner bag lower ring seam cinder belt cleaning device becomes the technical problem that technical personnel in this field await solution urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them purpose provides a water heater inner bag circumferential weld cinder belt cleaning device down, has solved the technical problem that the circumferential weld cinder adopted traditional sandblast, the surface cleaning technology of mechanical polishing to handle to exist under the water heater inner bag among the prior art. The technical effects that the preferred technical scheme of the utility model can produce are explained in detail in the following.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a water heater inner bag lower circumferential weld cinder belt cleaning device, include:
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 on two sides of the lifting mechanism and are used for fixing the liner and driving the liner 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 surface to be cleaned of the inner container is cleaned through laser emitted by the cleaning mechanism.
According to a preferred embodiment, the cleaning mechanism further comprises a diameter tracking assembly, and 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 as to keep the laser cleaning head assembly and the inner container at a fixed distance and enable the surface to be cleaned of the inner container to be always at the focal 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, the 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 spot overlapping rate of the laser is set to be 28-32%, the spot center moment is set to be 0.44-0.48 mm, and the spatial arrangement of the laser spots satisfies the following conditions:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1－sin2(θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, theta is two-dimensional spot connection line included angle, and theta is taken as 60 degrees < theta <90 degrees.
According to a preferred embodiment, the cleaning device for the scale on the lower circular seam of the inner container of the water heater further comprises a laser cabinet, wherein at least one laser is placed in the laser cabinet; the laser cleaning head assembly is provided with laser cleaning heads the same as the lasers in number, and the laser cleaning heads are connected with 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 water heater liner lower circular seam oxide skin cleaning device further comprises an installation base, wherein the installation base comprises a laser cleaning head installation frame and a servo motor fixing plate, and the laser cleaning head installation frame is used for installing 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, an adjusting bolt is arranged on the laser cleaning head mounting frame and 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 inner container lower circular seam.
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 inner container is clamped and fixed through the abutting joint of the first clamping portion and the second clamping portion with two ends of the inner container.
According to a preferred embodiment, the clamping mechanism further comprises a driving motor, one of the first clamping part and the second clamping part is provided with a driving shaft, the other one of the first clamping part and the second clamping part is provided with a driven shaft, and the driving motor is connected with the driving shaft and is used for driving the driving shaft to rotate, so that the clamping mechanism drives the inner container to rotate through the rotation of the driving shaft and the driven shaft.
According to a preferred embodiment, the clamping mechanism is connected with 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 oxide skin at the lower circular seam of the inner container of the water heater further comprises a water chiller, wherein the water chiller is a double-temperature double-control water chiller and comprises two cooling pipelines, and the cooling water in the two cooling pipelines has different temperatures so as to respectively cool the laser and the laser cleaning head assembly through the two cooling pipelines.
According to a preferred embodiment, the device for cleaning the scale on the lower annular seam of the inner container of the water heater further comprises a smoke purifier, the smoke purifier comprises a smoke purifying body and a collecting part, the collecting part is positioned below the lower annular seam of the inner container, and the collecting part is further connected with the smoke purifying body so as to recycle the scale scraps collected by the collecting part into the smoke purifying body.
The utility model provides a water heater inner bag lower circumferential weld cinder belt cleaning device has following beneficial technological effect at least:
the utility model discloses a water heater inner bag circumferential weld cinder belt cleaning device down, including elevating system, clamping mechanism and wiper mechanism, wiper mechanism includes laser instrument and laser cleaning head subassembly, and the laser that the laser instrument sent passes through optic fibre transmission and gives the laser cleaning head subassembly to the laser that accessible laser cleaning head subassembly sent washs circumferential weld cinder down. Namely the utility model discloses a water heater inner bag lower circumferential weld cinder belt cleaning device through the synergism of each mechanism, can realize the automatic laser cleaning of circumferential weld cinder down, and the lower circumferential weld cinder of having solved prior art water heater inner bag adopts the steel brush to polish or when traditional modes such as sandblast rinse, has the not thorough, operation environment poor, consumptive material consumption cost height of polishing, harm staff health scheduling problem.
Furthermore, the utility model discloses preferred technical scheme can also produce following technological effect:
the utility model discloses the wiper mechanism of preferred technical scheme still includes that the subassembly is tracked to the diameter, the subassembly is tracked to the diameter is used for tracking in real time and adjusting the distance between laser cleaning head subassembly and the inner bag, so that laser cleaning head subassembly and inner bag keep fixed distance, and make the surface of treating of inner bag be in laser output's focus position all the time, thereby can obtain best cleaning performance, the difficult problem of trade that laser cleaning head subassembly and welding seam both sides distance are inconsistent has been solved, it is applicable in the washing of water heater inner bag lower ring seam cinder that inner bag middle section and low head cambered surface difference in height accumulated to reach 7 mm.
The utility model discloses contained angle between the terminal surface is 15 ~ 60 under the laser that preferred technical scheme's laser cleaning head subassembly sent and the inner bag middle section of inner bag, and laser adopts oblique incidence promptly, can make treating of inner bag wash the face and can both the sanitization.
The utility model discloses the laser facula overlap ratio of preferred technical scheme laser instrument sets up to 28 ~ 32%, and facula center moment sets up to 0.44 ~ 0.48mm to the space of laser facula is arranged and is satisfied: v. of<2Rfcos(θ/2)，l<2Rsin(θ/2)(1－sin2(theta/2)), namely reasonable light spots are selected for close arrangement, the original independent laser light spots are orderly arranged in space, the largest oxide skin cleaning thickness is in the range of the light spot overlapping area, and the oxide skin with the largest thickness can be cleaned, so that the cleaning effect of the oxide skin is optimal, and the technical difficulty that the oxide skin and porcelain glaze which are cleaned by laser are not completely covered is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic view of the inner container of the present invention;
FIG. 2 is a second schematic view of the inner container of the present invention;
FIG. 3 is a third schematic view of the inner container of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a front view of the scale cleaning device for the lower circular seam of the inner container of the water heater of the utility model;
FIG. 6 is a top view of the scale cleaning device for the lower annular gap of the inner container of the water heater of the present invention;
fig. 7 is a side view of the utility model of a water heater liner lower circumferential seam scale cleaning device.
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. mounting a base; 10. an inner container; 1001. an upper end enclosure 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 surface to be cleaned; 1007. and (5) welding a lower circular seam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The following describes the water heater liner lower circumferential seam scale cleaning device in detail with reference to embodiments 1 and 2 and the accompanying drawings 1 to 7 of the specification.
As shown in fig. 1 to 3, the water heater liner 10 is of a cylindrical structure, the water heater liner 10 includes 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 located at two ends of the liner middle section 1002. The lower circular seam welding seam 1007 is positioned at the position where the lower end surface of the liner middle section 1002 is close to the surface of the lower end enclosure 1003, as shown in fig. 3.
According to a preferred embodiment, the water heater liner lower circumferential seam scale cleaning device is used for cleaning scale on a surface to be cleaned of the liner 10. Preferably, the surface to be cleaned of the liner 10 of the present embodiment includes 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 the range of 6-12 mm of the middle section 1002 of the liner close to the lower circular seam welding seam 1007. The second surface 1005 of waiting to wash is the scope of the lower terminal surface of inner bag middle section 1002, and the thickness of inner bag middle section 1002 is 1.8 ~ 2mm, and the second surface 1005 of waiting to wash also is the scope of the 1.8 ~ 2mm thickness direction of inner bag middle section 1002. The third surface 1006 to be cleaned is in a range of 6-12 mm at the position, close to the lower girth welding seam 1007, of the lower end socket 1003.
Example 1
This embodiment is right the utility model discloses a circumferential weld cinder belt cleaning device carries out the detailed description under the water heater inner bag.
The water heater inner bag lower circumferential weld cinder belt cleaning device of this embodiment includes: the lifting mechanism 1 is used for supporting the liner 10 and driving the liner 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 liner 10 and driving the liner 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 the 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 through laser emitted by the cleaning mechanism.
The utility model provides a water heater inner bag circumferential weld cinder belt cleaning device down, including elevating system 1, clamping mechanism 6 and wiper mechanism, wiper mechanism includes laser instrument and laser cleaning head subassembly 7, and the laser that the laser instrument sent passes through optic fibre and transmits for laser cleaning head subassembly 7 to the laser that accessible laser cleaning head subassembly 7 sent washs circumferential weld cinder down. The water heater inner bag of this embodiment is circumferential weld cinder belt cleaning device down promptly, through the synergism of each mechanism, can realize the automatic laser cleaning of circumferential weld cinder down, when having solved the lower circumferential weld cinder of water heater inner bag in the prior art and having adopted traditional methods such as steel brush polishing or sandblast to wash, have polish thoroughly, the operation environment is poor, consumptive material consumption cost is high, harm staff's health scheduling problem.
According to a preferred embodiment, the washing mechanism further comprises a diameter tracking assembly 8, as shown in fig. 7. The diameter tracking assembly 8 is used for tracking and adjusting the distance between the laser cleaning head assembly 7 and the inner container 10 in real time so as to enable the laser cleaning head assembly 7 and the inner container 10 to keep a fixed distance and enable the surface to be cleaned of the inner container 10 to be always in 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 the laser cleaning head mounting frame.
Preferably, the diameter tracking assembly 8 of the present embodiment can preferably be a curved surface attachment follow-up system of a capacitive cleaning head, and automatically detect a working gap between the laser cleaning head assembly 7 and the liner 10 by using a working principle of a contactless capacitive sensor. Preferably, in the preferred technical scheme of the embodiment, the sensor and the laser cleaning head assembly 7 are integrally designed, the laser cleaning head assembly 7 is a sensitive element of a capacitance sensor, the laser cleaning head assembly and the inner container 10 form a capacitor, and a gap error signal is finally demodulated through pre-amplification, signal modulation, linear processing and amplification and PID (proportion integration differentiation) processing, so that the constant gap between the laser cleaning head assembly 7 and the inner container 10 is ensured, the focus is always positioned on the surface of a substrate to be cleaned, the self-adaptive closed-loop control of the focus position is realized, and the high-quality and stable cleaning effect is achieved.
Preferably, the three laser cleaning heads of the laser cleaning head assembly 7 share one diameter tracking assembly 8 to meet the use requirement. 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 center 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 uniformity and the cleaning quality of cleaning are guaranteed.
The wiper mechanism of the preferred technical scheme of this embodiment still includes that the diameter tracks subassembly 8, the sensor that subassembly 8 was tracked to the diameter is located laser cleaning head subassembly 7 side, subassembly 8 is tracked to the diameter and passes through sensor and servo motor cooperation, the change of real-time tracking inner bag 10 surface height, make laser cleaning head subassembly 7 and inner bag 10 wait to wash the surface and keep fixed distance all the time, make and wait to wash the surface and be in laser output's focus position all the time, obtain best cleaning performance, the trade difficult problem of inconsistent distance between laser cleaning head subassembly 7 and welding seam both sides has been solved, applicable in the washing of water heater inner bag lower ring seam cinder of inner bag middle section 1002 and lower head 1003 cambered surface difference in height accumulatively reach 7 mm.
According to a preferred embodiment, the included angle between the laser emitted by the laser cleaning head assembly 7 and the lower end face of the liner middle section 1002 of the liner 10 is 15-60 degrees. Preferably, the included angle between the laser emitted by the laser cleaning head assembly 7 and the lower end face of the liner middle section 1002 of the liner 10 is 30 degrees. The lower end surface of the middle section 1002 of the liner in this embodiment is the second surface 1005 to be cleaned, as shown in fig. 4.
The first face 1004 that waits that is located inner bag middle section 1002 and is close to the 6 ~ 12mm scope of lower circumferential weld seam 1007 department, the second that is located inner bag middle section 1002 end face scope waits to wash face 1005 and be located the third that lower head 1003 is close to the 6 ~ 12mm scope of lower circumferential weld seam 1007 department waits to wash face 1006 and all needs wash, and laser and second wait to wash face 1005 and be certain angle (if 30) slope incidence to can all wash the three face of waiting to wash. However, the oblique incidence of the incident laser can cause large change of the focal depth of the laser and uneven distribution of the energy of a light spot; the overlapping difference between the lower end socket 1003 and the two sides of the welding line of the middle section 1002 of the inner container is up to 7mm by adding the non-standard circle of the inner container 10 and the unique overlapping structure of the lower circular seam, the divergence of laser at a focus is weakened by adjusting the characteristics of a light source and the characteristics of an outer light path and adopting a high-tolerance technology, the quality of a light beam is improved, the energy density near the focus is large enough, the cleaning uniformity when the laser is incident at an angle can be ensured, and the problem of distance difference caused by oblique incidence and deformation is solved. The high tolerance technology, that is, the long focal depth technology, which is a technology in the prior art (the 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 in a laser cleaning process, and the high tolerance technology is also the focal depth length) in the preferred technical solution of this embodiment. The preferred technical scheme of the embodiment can realize the tolerance of 20mm by adopting a high-tolerance technology.
The preferred technical scheme of this embodiment is through adopting high tolerance technique promptly, can realize that the tolerance reaches 20mm, allows the course of working focus to have the skew, guarantees that laser beam is abluent homogeneity when angle incident, and the surface of waiting to wash of inner bag lower ring seam can both be sanitized.
According to a preferred embodiment, the laser spot overlapping rate of the laser is set to be 28-32%, the spot center moment is set to be 0.44-0.48 mm, and the spatial arrangement of the laser spots satisfies the following conditions:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1-sin2(θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, theta is two-dimensional spot connection line included angle, and theta is taken as 60 degrees < theta <90 degrees.
The oxide scale thickness distribution difference on inner bag 10 surface is big, and the top layer has a small amount of enamel powder simultaneously, because the cleaning process is high to the abluent homogeneity requirement of material, the preferred technical scheme of this embodiment is through optimizing the spatial arrangement of laser facula, selects reasonable facula close packing, sets up the facula overlap ratio into 28 ~ 32%, and facula central moment sets up into 0.44 ~ 0.48mm, satisfies v simultaneously that v distributes in the middle of the spot, satisfies the central moment of a light spot and arranges<2Rfcos(θ/2)，l<2Rsin(θ/2)(1-sin2(theta/2)), the originally independent laser faculae are orderly arranged through space, so that the largest oxide skin cleaning thickness is within the facula overlapping area range (the laser is an independent facula, and the facula overlapping area is an area between adjacent facula overlapping points), the oxide skin with the largest thickness can be cleaned, the cleaning effect of the oxide skin is optimal, and the technical difficulty that the oxide skin and porcelain glaze of the laser cleaning are not completely covered is solved. Table 1 below lists the cleaning results for different spot overlap ratios and different spot center moments.
TABLE 1
As can be seen from Table 1, good cleaning effect can be obtained by setting the overlapping rate of the light spots to be 28-32% and the central moment of the light spots to be 0.44-0.48 mm.
According to a preferred embodiment, the device for cleaning the scale on the lower circular seam of the inner container of the water heater further comprises 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 number of 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 includes 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, 200W and 100W, respectively.
The laser of the preferred technical scheme of this embodiment is located laser cabinet 2, and laser shines on the cinder of water heater inner bag welding seam through laser cleaning head subassembly 7, through the control to laser power, pulse width, frequency etc. in addition to the rotatory control of inner bag 10, realizes the laser near the full coverage of work piece welding seam, evaporates the cinder on surface in the twinkling of an eye, gasifies or peels off, and traditional washing can't accomplish. Key process parameters which directly affect laser cleaning, such as laser power, pulse frequency, pulse width, scanning speed, pulse energy and the like, can be adjusted through control display of the laser cabinet 2. Preferably, the power of the laser is preferably 500W, and a combination mode of three lasers of 200W +100W is adopted, wherein two lasers of 200W are used for ensuring that oxide skin is cleaned in a production takt, a laser of 100W is used for ensuring that metal bright white gloss is exposed on a base material of a lower circular seam of the liner 10, and the overall requirement of laser cleaning of the liner 10 is met through the synergistic effect of the three lasers.
It should be noted that when each laser works independently, the scale at the lower circular seam of the liner 10 is not cleaned, or the cleaning effect of a single 500W laser is inferior to that of 100W or 200W, so that the actual cleaning is performed by a three-laser combined cleaning method of 200W +100W, and the three lasers work simultaneously. Of course, in the manual mode, a single laser or two lasers can be selected to be turned on at will. If the oxide skin can be cleaned, one of the lasers can be started at will.
According to a preferred embodiment, the cleaning device for the scale on the lower circumferential seam of the liner of the water heater 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 an adjusting bolt, and the adjusting bolt is used 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 along the radial direction of the lower circular seam of the liner 10. Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and the third laser cleaning head 703 are provided with adjusting bolts capable of adjusting the focal length thereof. Preferably, the first laser cleaning head 701, the second laser cleaning head 702 and/or the third laser cleaning head 703 are fixed to a laser cleaning head mounting frame through a fixing assembly, and the adjusting bolt is arranged on the fixing assembly. The fixing component is, for example, a bolt component and/or a clamping block component.
In the preferred technical solution of this embodiment, the radial direction of the lower circumferential seam of the liner 10 refers to a direction close to the lower circumferential seam or a direction away from the lower circumferential seam, and may also be referred to as an up-down direction. According to the preferred technical scheme of the embodiment, the focal lengths 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 under the action of the adjusting bolt, so that the surface to be cleaned is always at the focal position of laser output. In the preferred technical solution of this embodiment, 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 means adjusting the distances from the surface of the inner container 10 to the field lens inside 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, in the preferred technical solution of this embodiment, the first laser cleaning head 701, the second laser cleaning head 702, and/or the third laser cleaning head 703 may further adjust the position of the laser cleaning head assembly in the left-right direction through a 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 that need to be cleaned, and the cleaning quality is improved.
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 include 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 respectively located on both sides of the liner 10, as shown in fig. 5. Preferably, the first body 601 is provided with a first clamping portion on a side close to the inner container 10, the second body 602 is provided with a second clamping portion on a side 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 against both 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 of the preferred embodiment 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 away from the inner container 10 by being driven by the air cylinder. Specifically, the cylinder of the preferred technical scheme of this embodiment is used for driving the first clamping portion, and when the liner 10 rises to the cleaning station through the effect of the lifting mechanism 1, the cylinder drives the first clamping portion to move towards the direction close to the lower seal 1003, and enables the first clamping portion to tightly prop against the arc surface on the outer side of the lower seal 1003, and simultaneously the second clamping portion tightly props against the magnesium rod mouth joint on the upper seal assembly 1001, so that the liner 10 is clamped and fixed. After the cleaning is finished, the cylinder drives the first clamping portion to move in the direction away from the lower end cover 1003, so that the clamping mechanism 6 can release the clamping fixation of the inner container 10.
According to a preferred embodiment, the clamping mechanism 6 further comprises 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 with the driving shaft and is used for driving the driving shaft to rotate, so that the clamping mechanism 6 drives the inner container 10 to rotate through the rotation of the driving shaft and the driven shaft. The preferred technical scheme of this embodiment passes through driving motor's effect, can drive inner bag 10 rotatory to be convenient for wash the cinder of inner bag 10 all directions lower circumferential weld department. 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 present embodiment, a shaft of the first clamping portion is a driving shaft, and a shaft of the second clamping portion is a driven shaft. When the first clamping portion abuts against the arc 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 inner container 10 can be driven to rotate.
According to a preferred embodiment, the cleaning device for the scale on the lower circumferential seam of the liner of the water heater also comprises a water cooler 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, and the cooling water temperatures in the two cooling pipelines are different, so as to cool the laser and the laser cleaning head assembly 7 through the two cooling pipelines respectively. Preferably, the water chiller 4 provides chilled water for cooling the laser; meanwhile, the water cooler 4 also provides normal-temperature water with the temperature equivalent to the ambient temperature for cooling the laser cleaning head assembly 7. More preferably, the water chiller 4 is a structure known in the art and will not be described in detail herein. The preferred technical scheme of this embodiment can reach the efficiency of safety protection laser instrument and laser cleaning head subassembly 7 through setting up cold water machine 4.
According to a preferred embodiment, the cleaning device for the scale on the lower annular gap of the liner of the water heater also comprises a smoke purifier 5, as shown in fig. 5 or 6. Preferably, 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 inner container 10, and the collecting part is further connected with the smoke purifying body so as to recycle the scale debris collected by the collecting part into the smoke purifying body. More preferably, the smoke purifier 5 is a structure in the prior art, and will not be described in detail herein. The preferred technical scheme of this embodiment is through setting up smoke and dust clarifier 5, can retrieve the piece residue after the washing, realizes the dust zero release, can not cause secondary pollution to the environment, accords with green requirement.
Preferably, the smoke dust purifier 5 adopts a filter cartridge type filter and is also provided with a standard dust vibrating device, the dust vibrating device can effectively clean debris adhered to the surface of the filter cartridge and avoid the blockage of the filter cartridge, and the bottom of the equipment is provided with a drawer type dust collecting box. The smoke dust purifier 5 of the preferred technical scheme of the embodiment has the advantages of large air quantity, strong suction force, environmental protection, no noise, no secondary pollution and no environment pollution.
Example 2
The embodiment will explain in detail the method for cleaning the water heater liner lower circumferential weld scale cleaning device.
The method for cleaning the scale at the lower circular seam of the inner container of the water heater is realized by using the device for cleaning the scale at the lower circular seam of the inner container of the water heater in any technical scheme in the embodiment 1.
According to a preferred embodiment, the method for cleaning the scale cinder under the liner of the water heater 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 jacking table 101 of the lifting mechanism 1 ascends, the clamping mechanism 6 clamps the inner container 10, and the jacking table 101 descends. Preferably, the jacking table 101 is a jacking mechanism similar to a cylinder.
S2: the inner container 10 is cleaned, 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 the surface to be cleaned of the inner container 10 is cleaned 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 laser cleaning head assembly 7 and the inner container 10 keep a fixed distance, and the surface to be cleaned of the inner container 10 is always at the focal position of laser output. While the water chiller 4 cools the laser and the laser cleaning head assembly 7. Meanwhile, the dust purifier 5 recovers the cleaned debris.
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 inner container 10, then the jacking table 101 descends, and the inner container 10 enters the next station through the conveying line body. The steps from S1 to S3 are repeated in this manner, and the next inner container 10 can be continuously cleaned.
The utility model discloses a circumferential weld cinder belt cleaning device under water heater inner bag has that the cleaning performance is good, control accuracy is high, the running cost is low and green's advantage, specifically does:
(1) the scale of the lower circular seam of the inner container of the water heater is cleaned completely, the surface to be cleaned can be cleaned accurately, the problem of polishing pain points of the scale of the inner container 10 of the water heater is solved completely, the welding quality of the subsequent inner container 10 can be improved, and the water leakage detection and repair welding repair rate of the inner container 10 is reduced remarkably;
(2) the cleaned debris residues are recycled through the smoke dust purifier 5, so that zero dust emission is realized, secondary pollution to the environment is avoided, and the requirements of environmental protection are met;
(3) the electric energy is converted into the light energy, only the electricity charge is needed, the consumption of consumable materials such as a steel wire brush, steel grit and the like is not needed, the cost caused by manpower, equipment, welding materials, electricity charge and the like due to repair welding and repair of the liner 10 is reduced, and the production cost is greatly reduced;
(4) the time for manually replacing the steel wire brush or the steel grit is taken out and stopped, and the equipment utilization rate of the cleaning post of the lower circular seam of the liner of the water heater and the output efficiency of the rear welding section of the liner 10 are improved.
The utility model discloses a water heater inner bag lower circumferential weld cinder belt cleaning device uses laser technology to wash, and it not only is used for water heater inner bag lower circumferential weld cinder clean, also is applicable equally to the cleanness of other coats such as greasy dirt, spraying plastics layer, rust, enamel layer, paint. 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 specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection 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 circumferential weld cinder 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 liner (10) and driving the liner (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 the lower circular seam of the inner container (10), and when the inner container (10) rotates, the laser emitted by the cleaning mechanism is used for cleaning the surface to be cleaned of the inner container (10).
2. The cleaning device for the scale cinder under the inner container of the water heater according to claim 1, characterized in that 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 inner container (10) in real time,
so that the laser cleaning head component (7) and the inner container (10) keep a fixed distance, and the surface to be cleaned of the inner container (10) is always at the focal position of laser output.
3. A water heater liner lower circumferential seam scale cleaning device as defined in 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 a 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 back the monitoring result 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 water heater liner lower circumferential seam oxide skin cleaning device according to claim 1, wherein an included angle between laser emitted by the laser cleaning head assembly (7) and a lower end face of a liner middle section (1002) of the liner (10) is 15-60 degrees.
5. The cleaning device for the oxide skin at the lower annular gap of the inner container of the water heater as recited in claim 1, wherein the overlapping rate of laser spots of the laser is set to be 28-32%, the central moment of the laser spots is set to be 0.44-0.48 mm, and the spatial arrangement of the laser spots satisfies the following requirements:
v<2Rfcos(θ/2)
l<2Rsin(θ/2)(1－sin2(θ/2))
wherein v is scanning speed, f is laser frequency, R is spot radius, l is line spacing, theta is two-dimensional spot connection line included angle, and theta is taken as 60 degrees < theta <90 degrees.
6. The cleaning device for the scale cinder on the lower part of the inner container of the water heater according to claim 1, characterized by further comprising a laser cabinet (2), wherein at least one laser is placed in the laser cabinet (2);
the laser cleaning head assembly (7) is provided with laser cleaning heads the same as the lasers in number, and the laser cleaning heads are connected with the lasers.
7. The device for cleaning the scale cinder on the lower portion of the inner container of the water heater according to claim 6, 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.
8. The cleaning device for the scale cinder under the inner container of the water heater according to claim 7, wherein the power of the first laser cleaning head (701), the second laser cleaning head (702) and the third laser cleaning head (703) is 200W, 200W and 100W respectively.
9. The cleaning device for the scale cinder on the lower annular gap of the liner of the water heater 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.
10. The device for cleaning the scale cinder on the lower circular seam of the inner container of the water heater according to claim 9, wherein an adjusting bolt is arranged on the laser cleaning head mounting frame and used 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) along the radial direction of the lower circular seam of the inner container (10).
11. The water heater liner lower circumferential seam scale cleaning device according to 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 the first body (601) and the second body (602) are respectively located at two sides of the liner (10)
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) by the contact of the first clamping part and the second clamping part with the two ends of the inner container (10).
12. A water heater liner lower circumferential seam scale cleaning device as defined in claim 11, wherein the clamping mechanism (6) further comprises a driving motor, one of the first and second clamping portions 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.
13. The cleaning device for the water heater liner lower circumferential seam oxide skin as recited in claim 12, characterized in that the clamping mechanism (6) is connected with a central control mechanism placed 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.
14. The device for cleaning the scale cinder on the lower annular gap of the liner of the water heater according to claim 1, further comprising a water cooler (4), wherein the water cooler (4) is a double-temperature double-control water cooler, and
the water chiller comprises two cooling pipelines, and the cooling water in the two cooling pipelines has different temperatures so as to respectively cool the laser and the laser cleaning head assembly (7) through the two cooling pipelines.
15. The cleaning device for the scale cinder on the lower annular gap of the inner container of the water heater as claimed in 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 a lower circular seam of the inner container (10), and the collecting part is further connected with the smoke dust purifying body so as to recycle oxide skin scraps collected by the collecting part into the smoke dust purifying body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854396.3U CN212597624U (en) | 2020-08-28 | 2020-08-28 | Water heater inner bag lower circumferential weld cinder belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854396.3U CN212597624U (en) | 2020-08-28 | 2020-08-28 | Water heater inner bag lower circumferential weld cinder belt cleaning device |
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| Publication Number | Publication Date |
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| CN212597624U true CN212597624U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021854396.3U Withdrawn - After Issue CN212597624U (en) | 2020-08-28 | 2020-08-28 | Water heater inner bag lower circumferential weld cinder belt cleaning device |
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| CN (1) | CN212597624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992545A (en) * | 2020-08-28 | 2020-11-27 | 格力电器（武汉）有限公司 | Water heater liner lower annular seam oxide skin cleaning device and cleaning method |
| CN117102162A (en) * | 2023-10-25 | 2023-11-24 | 山东产研强远激光科技有限公司 | Laser cleaning device and method for special-shaped guide pipe of engine |
-
2020
- 2020-08-28 CN CN202021854396.3U patent/CN212597624U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992545A (en) * | 2020-08-28 | 2020-11-27 | 格力电器（武汉）有限公司 | Water heater liner lower annular seam oxide skin cleaning device and cleaning method |
| CN111992545B (en) * | 2020-08-28 | 2023-09-08 | 格力电器（武汉）有限公司 | Cleaning device and cleaning method for lower circular seam oxide skin of water heater liner |
| CN117102162A (en) * | 2023-10-25 | 2023-11-24 | 山东产研强远激光科技有限公司 | Laser cleaning device and method for special-shaped guide pipe of engine |
| CN117102162B (en) * | 2023-10-25 | 2024-02-02 | 山东产研强远激光科技有限公司 | Laser cleaning device and method for special-shaped guide pipe of engine |
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