CN216705345U

CN216705345U - Cavitation cleaning device for welding seam of circular cylinder part

Info

Publication number: CN216705345U
Application number: CN202220002613.9U
Authority: CN
Inventors: 刘桓龙; 刘威; 张铭洋
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-06-10
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of cavitation water jet cleaning, in particular to a circular cylinder welding seam cavitation cleaning device. Including the box, fixture, wiper mechanism and air-dry system in arranging the box in, the cleaning chamber of fixture position in the well lower part of box, one side of fixture is provided with air-dry system, and wiper mechanism is located box upper portion, adopts compound cavitation nozzle structure among the wiper mechanism, and the bottom half is provided with water circulating system. Compared with the prior art, the method has the following advantages: the cleaning effect is good; compared with the traditional high-pressure water jet, the composite cavitation jet has stronger cleaning capability and lower energy consumption. The cleaning speed is high: shock wave impact and micro-jet impact can be generated when cavitation bubbles in cavitation jet collapse, and the cleaning speed is several times faster than that of the traditional method. No environmental pollution: because the medium used by the cavitation jet is clean water without any cleaning agent, and a water circulation system is arranged in the cleaning machine, the sewage can be recycled, and the environment-friendly and energy-saving effects are achieved.

Description

Cavitation cleaning device for welding seam of circular cylinder part

Technical Field

The utility model relates to the technical field of cavitation water jet cleaning, in particular to a circular cylinder welding seam cavitation cleaning device.

Background

The circular cylinder is a common part shape in life, and is formed by winding a plate into a cylinder by a plate rolling machine and then welding. In the process of manufacturing the round barrel, the plate is easily affected by the external environment in the manufacturing and transportation processes, so that grease-containing pollutants are easily formed. Therefore, the welding seam of the circular cylinder piece needs to be cleaned before welding, and grease and dust impurities on the surface are removed. At present, the welding seam of the circular cylinder piece is still cleaned in a manual cleaning mode, and the cleaning effect is poor, the efficiency is low and the labor intensity is high. The cleaning material used at present is cleaning liquid prepared by blending a cleaning agent and a certain proportion of water, chemical components are remained on a welding seam after air drying, welding quality is affected, and the cleaning material can pollute the natural environment.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides the circular cylinder welding seam cavitation cleaning device which is high in cleaning efficiency, free of pollution and simple to operate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a circular section of thick bamboo spare welding seam cavitation belt cleaning device, includes the box, arranges fixture, wiper mechanism and air-dry system in the box in, and fixture is located the washing intracavity of the well lower part of box, and one side of fixture is provided with the air-dry system, and wiper mechanism is located box upper portion, adopts compound cavitation nozzle structure among the wiper mechanism, and the bottom half is provided with water circulating system.

Compared with the prior art, the utility model adopting the technical scheme has the following advantages:

1. the cleaning effect is good: adopt compound cavitation nozzle, compare in traditional high pressure water jet, cavitation water jet cleaning ability is stronger, and the energy consumption is lower, and novel compound cavitation nozzle utilizes modes such as ultrasonic wave, oscillatory flow and pulse to the efflux modulation on this basis, breaks through the decontamination cleaning ability of traditional cavitation jet technology, and the cleaning performance is good.

2. The cleaning speed is high: shock wave impact and micro-jet impact can be generated when cavitation bubbles in cavitation jet collapse, so that extremely high stress concentration and instantaneous impact pressure are generated in a local area of the surface of a target body, pollutants containing grease can be quickly washed clean, and the cleaning speed is several times faster than that of a traditional manual method.

3. No environmental pollution: because the medium used by the cavitation jet is clear water without any cleaning agent, the cleaning machine is green and pollution-free, and the interior of the cleaning machine is provided with a water circulation system, the sewage can be recycled, and the cleaning machine is environment-friendly and energy-saving.

The preferred scheme of the utility model is as follows:

an arc clamping plate in the clamping mechanism is connected with a large-caliber opening clamp, the large-caliber opening clamp is arranged on a large-caliber opening clamp mounting seat, the large-caliber opening clamp mounting seat is connected with a rotary cylinder, and the rotary cylinder is arranged on a first screw rod module through the rotary cylinder mounting seat.

A rotary air cylinder mounting seat in the clamping mechanism penetrates through an organ type protective cover I to be connected with a screw rod module I, the organ type protective cover I is arranged on a hollow structure of a water baffle I, the water baffle is vertically arranged, and the right side of the water baffle is arranged on the screw rod module I.

And a second lead screw module in the cleaning mechanism is arranged on the upper part of the box body, a turnover cylinder is arranged below the second lead screw module, a nozzle mounting seat is arranged on the turnover cylinder through a bolt, and a composite cavitation nozzle is arranged on the nozzle mounting seat.

A second water baffle is arranged between the cleaning mechanism and the cleaning cavity, a second hollow structure is arranged in the middle of the second water baffle, a second soft organ type protective cover is arranged in the second hollow structure, and a turning cylinder is arranged at the lower part of the turning cylinder mounting seat after penetrating through the second soft organ type protective cover.

The water circulating system comprises a high-pressure water pump, a clean water tank, a sewage treatment tank, an impurity tank, a filter, wherein a water inlet of the filter is connected with a sewage outlet of a water cleaning chamber, an impurity discharging port of the filter is connected with the impurity tank through a water pipe, a water outlet of the filter is connected with a water inlet of the sewage treatment tank through a water pipe, a water outlet of the sewage treatment tank is connected with a water inlet of the clean water tank through a water pipe, a water outlet of the clean water tank is connected with a water inlet of the high-pressure water pump through a water pipe, and a water outlet of the high-pressure water pump is connected with a composite cavitation nozzle in the cleaning mechanism through a water pipe.

The air drying system comprises an air knife and an air knife mounting seat, the air knife is connected with a gas compressor through an air pipeline, the air knife is mounted on the air knife mounting seat, and the air knife mounting seat is fixedly connected to the inner wall of the cleaning chamber.

The box body, the clamping mechanism, the cleaning mechanism, the water circulation system and the air drying system are all connected to the electric control cabinet.

The cavitation nozzle comprises a nozzle main body and an outlet end cover, wherein the nozzle main body is of a columnar structure, a composite cavity, a resonant cavity and a water outlet which are sequentially communicated are arranged in the nozzle main body along the axial direction of the nozzle main body, and a stepped hole which runs through the columnar structure is formed in the nozzle main body by the composite cavity, the resonant cavity and the water outlet; the aperture of the composite cavity in the stepped hole is larger than that of the resonant cavity, and the aperture of the resonant cavity is larger than that of the water outlet; the composite cavity and the resonant cavity jointly form a self-excited oscillation cavity; the outlet end cover is fixedly arranged at the water outlet end of the nozzle main body, and a jet hole is formed in the outlet end cover; the ultrasonic actuating mechanism is fixedly connected with the composite cavity end of the nozzle main body; the outer wall of the composite cavity of the nozzle main body is provided with a water injection hole communicated with the composite cavity.

The ultrasonic actuating mechanism comprises an ultrasonic generator, a transducer, a waveguide and a waveguide sleeve; the waveguide is of a cylindrical structure, a waveguide sleeve is sleeved outside the waveguide, and the waveguide sleeve and the waveguide are coaxially arranged and are in clearance fit; one end of the waveguide sleeve is fixedly and hermetically connected with the composite cavity end of the nozzle main body, and the waveguide sleeve and the composite cavity are coaxially arranged; the transducer is arranged at one end of the waveguide far away from the nozzle body, and the transducer is fixedly connected with the waveguide by adopting a screw; and the transducer is connected with the ultrasonic generator through a lead.

Near the end of the composite cavity, the waveguide extends out of the waveguide sleeve for a certain distance, the extending part is inserted into the composite cavity, and the waveguide and the composite cavity are in clearance fit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention (without a front cover of the case).

Fig. 2 is a schematic structural view of the observation window according to the embodiment of the present invention when the observation window is opened.

FIG. 3 is a schematic view of a clamping mechanism according to the present invention.

FIG. 4 is a schematic view of a water circulation system according to the present invention.

FIG. 5 is a schematic view of the cleaning mechanism of the present invention.

Fig. 6 is a schematic structural view of the seasoning system of the present invention.

Fig. 7 is a schematic structural view of the composite atomizing nozzle.

Fig. 8 is an enlarged view of a portion B in fig. 7.

In the figure: air-dry system 1, electric control system 2, wiper mechanism 3, fixture 4, box 5, circular cylinder 6, water circulating system 7, observation window 8, purge chamber 9.

Air knife 101, air knife mount 102, air knife hole 103.

The device comprises a turnover cylinder mounting seat 301, a nozzle mounting seat 302, a composite cavitation nozzle 303, a turnover cylinder 304, a second lead screw module 305 and a second servo motor 306.

The device comprises an arc clamping plate 401, a large-caliber opening clamp 402, a large-caliber opening clamp mounting seat 403, a rotary cylinder mounting seat 404, a first lead screw module 405, a first servo motor 406 and a rotary cylinder 407.

A sewage treatment tank 701, a clean water tank 702, a Y-shaped filter 703, an impurity tank 704 and a high-pressure water pump 705.

Detailed Description

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A circular cylinder welding seam cavitation cleaning device is shown in attached figures 1 to 6, and a clamping mechanism 4, a cleaning mechanism 3, a water circulation system 7, an air drying system 1, an electrical control cabinet 2 and other parts are arranged on a box body 5.

Fixture 4 is located the inclined to one side right side of lower part in the box 5, and wiper mechanism 3 is located the inside top of box 5, and water circulating system 7 is located the inside below of box 5, and air-dry system 1 is located the inside inclined to one side left side setting of box 5, and electrical control system 3 comprises electrical control cabinet and the relevant electricity of dress in the cabinet, is located the outside left side of box 5. Through the mode material loading of artifical material loading, by fixture 4 centre gripping circular section of thick bamboo spare 6, wiper mechanism 4 washs the welded joint of circular section of thick bamboo spare 6 after that, then air-dries circular section of thick bamboo spare 6 through air-drying system 1.

The clamping mechanism 4 comprises an arc clamping plate 401, a rotary cylinder 407, a large-caliber opening clamp 402, a rotary cylinder mounting seat 404, a large-caliber opening clamp mounting seat 403, a first screw rod module 405, a first servo motor 406 and other parts. The circular arc splint 401 is connected on heavy-calibre split clamp 402, and heavy-calibre split clamp 402 is installed on heavy-calibre split clamp mount pad 403, and heavy-calibre split clamp mount pad 403 is connected on revolving cylinder 407, and revolving cylinder 407 is installed on revolving cylinder mount pad 404, and revolving cylinder mount pad 404 is installed on lead screw module 405, and lead screw module 205 fixedly connected with servo motor 406. The welding seam of the circular cylinder 6 is placed at one side close to the air drying system 1 by a worker feeding, and the circular cylinder 6 is clamped by the circular arc clamping plate 401 under the control of the large-caliber opening clamp 402. The 180-degree turnover motion and the up-and-down reciprocating motion of the round barrel part 6 are realized through the control of the rotary cylinder 407 and the first screw rod module 405.

The cleaning mechanism 3 comprises a composite cavitation nozzle 303, a nozzle mounting seat 302, a turnover cylinder 304, a turnover cylinder mounting seat 301, a second screw rod module 305, a second servo motor 306 and other parts, the composite cavitation nozzle 303 is mounted on the nozzle mounting seat 302, the nozzle mounting seat 302 is connected to the turnover cylinder 304, the turnover cylinder 304 is mounted on the turnover cylinder mounting seat 301, the turnover cylinder mounting seat 301 is mounted on the second screw rod module 305, and the second screw rod module 305 is fixedly connected with the second servo motor 306. The effective cleaning target distance of the composite cavitation nozzle 303 can reach 150 mm. The compound cavitation nozzle 303 is mounted on the turnover cylinder 304 at an angle of 15 degrees, and the turnover cylinder 304 can turn the compound cavitation nozzle 303 to the left by 30 degrees. The inner diameter of the circular cylinder 6 is enough to enable the composite cavitation nozzle 303 to extend into the middle of the welding seam at the inner side of the circular cylinder 3 in a 15-degree mode. The composite cavitation nozzle 303 can reciprocate left and right by being driven by the second screw rod module 305.

The composite cavitation nozzle 303 comprises a nozzle main body 3031 and an outlet end cover 3032, the main body of the nozzle main body 3031 is in a hexagonal prism structure and is conveniently installed on a support plate of a nozzle installation seat 302, a composite cavity 30311, a resonant cavity 30312 and a water outlet 104 which are sequentially communicated are arranged in the nozzle main body 3031 along the axial direction of the nozzle main body, and stepped holes which run through the columnar structure are formed in the nozzle main body 3031 by the composite cavity 30311, the resonant cavity 30312 and the water outlet 104; the aperture of a composite cavity 30311 in the stepped hole is larger than that of a resonant cavity 30312, and the aperture of the resonant cavity 30312 is larger than that of a water outlet; because the liquid in the nozzle main body 3031 flows in the direction sequentially through the composite cavity 30311, the resonant cavity 30312 and the water outlet, pressure contraction wall surfaces are formed at the connection part of the composite cavity 30311 and the resonant cavity 30312 and the connection part of the resonant cavity 30312 and the water outlet. According to the principle of self-oscillation, the fluid will generate self-oscillating vibrations within the resonant cavity 30312. The composite chamber 30311 and the resonant cavity 30312 jointly form a self-excited oscillation chamber, so that the superposition of sound wave vibration and self-excited vibration exists in the resonant cavity 30312. An outlet end cover 3032 is fixedly arranged at the water outlet end of the nozzle main body 3031.

The ultrasonic actuating mechanism 3033 is fixedly connected with the composite chamber 30311 end of the nozzle main body 3031; the outer wall of the composite cavity 30311 of the nozzle main body 3031 is provided with a water injection hole 30313 communicated with the composite cavity 30311.

The ultrasonic actuation mechanism 3033 includes an ultrasonic generator 30301, a transducer 30302, a waveguide 30303, and a waveguide sleeve 30306. The waveguide 30303 is of a cylindrical structure, the waveguide sleeve 30306 is sleeved outside the waveguide 30303, and the waveguide sleeve 30306 and the waveguide 30303 are coaxially arranged and are in clearance fit. One end of the waveguide sleeve 30306 is fixedly and sealingly connected to the composite chamber 303111 end of the nozzle body 3031, and the waveguide sleeve 30306 is coaxially disposed with the composite chamber 30311. The connecting end of the waveguide sleeve 30306 and the nozzle main body 3031 is provided with a flange, and the waveguide sleeve 30306 and the nozzle main body 3031 are fixedly connected by the flange and screws. In order to ensure the sealing performance of the connection part, a groove provided with an O-shaped sealing ring (the wire diameter is 1.8 mm) is arranged at the end surface of the composite cavity 30311 of the nozzle main body 3031, and the O-shaped sealing ring and the groove form sealing connection; an inward concave annular step for installing an O-shaped sealing ring (the wire diameter is 2.65 mm) is arranged on the inner wall of the waveguide sleeve 30306 close to the composite cavity 30311, a matched O-shaped sealing ring is arranged at the inward concave annular step, and a dynamic sealing structure along the axial direction of the waveguide sleeve 30303 sleeve is formed after the waveguide sleeve 30306 and the end face of the composite cavity 30311 of the nozzle main body 3031 are tightly pressed.

Meanwhile, a rubber gasket is adopted as a sealing gasket arranged between the extension flange of the waveguide 30303 and the waveguide sleeve 306; the sealing gasket is used for secondary combined sealing aiming at the dynamic sealing structure, so that the leakage of the pressure fluid can be effectively prevented.

The transducer 30302 is arranged at one end of the waveguide 30303 far away from the nozzle main body 3031, the transducer 30302 is fixedly connected with the waveguide 30303 through a screw, and a gasket for compression is arranged between the transducer 30302 and the screw; the transducer 30302 is connected with the ultrasonic generator 30301 by a lead.

The main reasons that the embodiment of the utility model can generate good cleaning effect are as follows: ultrasonic actuation mechanism 3033 modulates the fluid by high frequency axial vibration of waveguide 30303, converting mechanical vibration of waveguide 30303 into pressure vibration of the fluid. When the pressure vibration fluid enters the resonant cavity 30312, the pressure vibration fluid and the resonant cavity 30312 generate fluid resonance; in addition, the self-excited vibration generated by the self-excited oscillation chamber and the pressure vibration are mixed and superposed in the area, and then strong fluid oscillation is generated.

In the specific embodiment, the following configuration or connection relationship may be preferable for better use and practicality.

Near the end of the composite chamber 30311, one end of the waveguide 3033 extends about 3-6 mm beyond the waveguide sleeve 30306 and the extended portion is inserted into the composite chamber 30311.

The waveguide 3033 extends into the composite cavity 30311 for a certain distance, so that the energy of sound waves can be efficiently transmitted into the composite cavity 30311 and the resonant cavity 30312; meanwhile, effective spaces of the composite cavity 30311 and the resonant cavity 30312 are not excessively occupied, and enough space is reserved for superposition of self-excited vibration and ultrasonic vibration.

The waveguide 3033 is arranged coaxially with the transducer 30312; an extension flange is arranged at the end, close to the transducer 30302, of the waveguide 3033, a screw cap 30305 is arranged at the end, close to the transducer 30302, of the waveguide sleeve 30306, the screw cap 30305 is in threaded connection with the outer wall of the waveguide sleeve 30306, the extension flange of the waveguide 3033 is tightly pressed on the end face of the waveguide sleeve 30306, and a sealing gasket is arranged between the waveguide sleeve 30306 and the extension flange of the waveguide 3033; a hole is provided in the center of the nut 30305 for the transducer 30302 to pass through.

The outer wall of the composite cavity 30311 is provided with three water injection holes 30313; the axial lines of the three water injection holes 30313 are intersected at one point, and the point is positioned on the axial line of the composite cavity 30311, namely the axial lines of the three water injection holes 30313 are coplanar and the plane is parallel to the end surface of the composite cavity 30311, and the water injection holes 30313 are uniformly arranged around the outer wall of the composite cavity 30311. The outer wall of the nozzle main body 303 at the composite cavity 30311 is of a regular hexagonal prism structure; the water injection holes 303113 are threaded holes.

Referring to fig. 7, for the above structure, the axes of two adjacent three water injection holes 30313 are 120 °, the central lines (axes) of the three water injection holes 30313 intersect with the axis of the composite chamber 30311, and the intersection is located right in front of the end face of the waveguide 30303. When the pressure fluid simultaneously enters the nozzle body 3031 through the three water injection holes 30313, the fluid has shearing and collision actions inside the composite chamber 30311, and initial fluid disturbance is formed. When water is injected, a single-hole water inlet mode can be adopted according to the requirement, and only the fluid shearing action is generated in the single-hole water inlet mode.

The outer wall of the nozzle main body 3031 at the composite cavity 30311 is of a regular hexagonal prism structure, and the hexagonal prism structure is convenient for assembly and installation of the embodiment; meanwhile, the processing of the water injection hole 30313 is facilitated, the drilling on the arc surface is changed into the drilling on the plane, and the positioning of the water injection hole 30313 is facilitated.

The jet hole at the outlet end cover 3032 is composed of a cavitation generation section 30321 and a cavitation mixing section 30322, wherein the cavitation generation section 30321 is positioned at the inner side, and the cavitation mixing section 30322 is positioned at the outer side; the outlet end cover 3032 is fixed to the nozzle housing by screws. The outlet end cover 3032 is provided with 3 countersunk through holes which are in one-to-one correspondence with threaded holes arranged at the water outlet end of the nozzle main body 3031, and the outlet end cover 3032 is fixedly connected with the nozzle main body 3031 through screws.

The outlet end cover 3032 is provided with a jet hole, the jet hole is composed of a cavitation generation section 30321 and a cavitation mixing section 30322, the cavitation generation section 30321 is a 1mm or 1.5mm cylindrical channel, the pressure contraction wall surface causes flow pressure drop so that the fluid pressure in the section is sharply reduced to negative pressure, and cavitation bubbles are generated in the cavitation generation section 30321 under the action of the negative pressure. The cavitation mixing section 30322 is a tapered flared channel where cavitation bubbles are generated and further mixed with the jet to form cavitation jets.

When the target surface is hit by cleaning operation performed by the embodiment of the utility model, the water hammer effect of high-strength pulse jet and the stripping and erosion effects of cavitation jet on the target are combined, and the jet erosion and cleaning capabilities are obviously enhanced.

The end face of the water outlet of the nozzle main body 3031 and the end face of the composite cavity 30311 are both provided with annular grooves, O-shaped sealing rings (the wire diameter is 1.8 mm) are arranged in the annular grooves, and the O-shaped sealing rings on the end face of the water outlet are compressed to form a sealing structure.

In use of an embodiment of the present invention, high pressure water supplied by an external power source (pump station or washer) enters the composite chamber 30311 radially from each of the 3 water injection holes 30313, where fluid shear and collision effects occur, causing fluid pressure disturbances that give the fluid its initial oscillatory capability.

The water circulation system 7 comprises a high-pressure water pump 705, a clean water tank 702, a sewage treatment tank 701, an impurity tank 704 and a Y-shaped filter 703, wherein the water inlet of the Y-shaped filter 7703 is connected with a sewage outlet of the cleaning chamber 9, the impurity discharging port of the Y-shaped filter 703 is connected with the impurity tank 704 through a water pipe, the water outlet of the Y-shaped filter 703 is connected with the water inlet of the sewage treatment tank 701 through a water pipe, the water outlet of the sewage treatment tank 701 is connected with the water inlet of the clean water tank 702 through a water pipe, the water outlet of the clean water tank 702 is connected with the water inlet of the high-pressure water pump 705 through a water pipe, and the water outlet of the high-pressure water pump 705 is connected with the composite cavitation nozzle 303 through a water pipe. During cleaning, the sewage in the cleaning chamber 9 flows to the Y-strainer 703 through the bottom. In the Y-filter 703, solid impurities such as rust are collected in the impurity tank 704, which facilitates cleaning and maintenance. The water after passing through the Y-shaped filter 703 flows to the sewage treatment tank 701, and oil stains in the sewage treatment tank 701 are filtered by the oil-absorbing hydrophilic cotton. The treated water flows back to the clean water tank 702 from the sewage treatment tank 701, and the high-pressure water pump 705 pumps water from the clean water tank 702 to supply to the composite cavitation nozzle 303.

The air drying system 1 comprises air knives 101, an air knife mounting seat 102, air knife holes 103 and the like, the air knives 101 are symmetrically arranged in two numbers, the air knife holes 103 are formed in the air knives 101, an air compressor is connected through an air pipeline, the air knives 101 are mounted on the air knife mounting seat 102, and the air knife mounting seat 102 is fixedly connected to the inner wall of the cleaning chamber 9. After the weld joints of the circular cylindrical member 6 are cleaned, the air knife 101 is ventilated to air-dry the circular cylindrical member 6.

The middle part of the second water baffle 401 is hollowed, the second soft organ type protective cover 402 is arranged on the hollowed surface of the middle part of the second water baffle 401, and the clamping mechanism 4 penetrates through the second organ type protective cover 402. The second organ type protective cover 402 extends up and down along with the clamping mechanism 4 to protect the internal mechanism of the clamping mechanism 4.

The middle part of the first water baffle 302 is hollowed, the first soft organ type protective cover 303 is arranged on the hollowed surface of the middle part of the second water baffle 302, and the cleaning mechanism 3 penetrates through the first organ type protective cover 303. The organ pipe type protective cover I303 stretches along the left and right sides of the cleaning mechanism 3 to protect the internal mechanism of the cleaning mechanism 3.

The clamping mechanism 4, the cleaning mechanism 3, the water circulation system 7 and the air drying system 1 are respectively connected to the electric control cabinet 3.

The working process of the utility model is as follows: the circular cylinder 6 is fed manually, the welding seam of the circular cylinder 6 is placed on one side close to the air drying system 1, and the large-caliber opening clamp 402 is used for ventilating and clamping the circular cylinder 6. When the outer side seam of the circular cylinder 6 is cleaned, the screw rod module II 305 and the screw rod module I405 are driven to enable the composite cavitation nozzle 303 to be aligned to the uppermost part of the outer side welding seam of the circular cylinder 6 at a target distance of 150mm, the composite cavitation nozzle 403 is filled with water, and cleaning work is started. Through the drive of the first screw rod module 405, the circular cylinder 9 moves upwards, until the middle of the welding seam on the outer side of the circular cylinder 6 is cleaned, the rotary cylinder 407 of the clamping mechanism 4 is ventilated, the circular cylinder 6 is rotated by 180 degrees, the first screw rod module 405 drives the circular cylinder 6 to move downwards again, and the cleaning of the welding seam on the outer side of the circular cylinder 6 is completed. When the inner side seam of the circular cylinder 6 is cleaned, the overturning cylinder 304 above the composite cavitation nozzle 303 is ventilated, the composite cavitation nozzle 303 is overturned to the left by 30 degrees, and the composite cavitation nozzle 303 is driven by the second lead screw module 305 to be aligned to the top of the inner side welding seam of the circular cylinder 6 at a proper target distance. The first screw module 405 drives the circular cylinder part 6 to move upwards to clean the inner side welding seam of the circular cylinder part 6, when the first screw module 205 drives the circular cylinder part 9 to move downwards until the circular cylinder part 9 is separated from the novel composite cavitation nozzle 403, the rotary cylinder 407 of the clamping mechanism 4 is ventilated, the circular cylinder part 6 is rotated by 180 degrees, the first screw module 405 drives the circular cylinder part 6 to move upwards again, and the cleaning of the other half of the inner side welding seam of the circular cylinder part 6 is completed. After the cleaning is completed, the composite cavitation nozzle 303 stops supplying water, each driving member is reset, and the circular cylinder member 6 is air-dried by the peripheral air knife 101. And (5) finishing the cleaning process, prompting the user to open the door manually by a signal to take out the circular barrel part 9, and finishing a cleaning process. During cleaning, the sewage in the cleaning chamber 9 flows to the Y-strainer 703 through the bottom. In the Y-filter 703, solid impurities such as rust are collected in the impurity tank 704. The water after passing through the Y-filter 703 flows to the sewage treatment tank 701, and the oil stain in the water is filtered by the oil-absorbing hydrophilic cotton in the sewage treatment tank 701. The treated water flows back to the clean water tank 702 from the sewage treatment tank 701, and the high-pressure water pump 705 pumps water from the clean water tank 702 to supply to the composite cavitation nozzle 303, so that a primary water circulation flow is completed.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are included in the scope of the present invention.

Claims

1. The utility model provides a circular section of thick bamboo spare welding seam cavitation belt cleaning device, includes the box, arranges fixture, wiper mechanism and air-dry system, its characterized in that in the box in: the clamping system is located in a cleaning cavity in the middle lower portion of the box body, the air drying system is arranged on one side of the clamping system, the cleaning mechanism is located on the upper portion of the box body, a composite cavitation nozzle structure is adopted in the cleaning mechanism, and a water circulation system is arranged at the bottom of the box body.

2. The round barrel welding seam cavitation cleaning device of claim 1, characterized in that: an arc clamping plate in the clamping mechanism is connected with a large-caliber opening clamp, the large-caliber opening clamp is arranged on a large-caliber opening clamp mounting seat, the large-caliber opening clamp mounting seat is connected with a rotary cylinder, and the rotary cylinder is arranged on a first screw rod module through the rotary cylinder mounting seat.

3. The circular cylinder piece weld seam cavitation cleaning device of claim 2, characterized in that: a rotary air cylinder mounting seat in the clamping mechanism penetrates through an organ type protective cover I to be connected with a screw rod module I, the organ type protective cover I is arranged on a hollow structure of a water baffle I, the water baffle is vertically arranged, and the right side of the water baffle is arranged on the screw rod module I.

4. The round barrel welding seam cavitation cleaning device of claim 1, characterized in that: and a second lead screw module in the cleaning mechanism is arranged on the upper part of the box body, a turnover cylinder is arranged below the second lead screw module, a nozzle mounting seat is arranged on the turnover cylinder through a bolt, and a composite cavitation nozzle is arranged on the nozzle mounting seat.

5. The round barrel welding seam cavitation cleaning device of claim 4, characterized in that: a second water baffle is arranged between the cleaning mechanism and the cleaning cavity, a second hollow structure is arranged in the middle of the second water baffle, a second soft organ type protective cover is arranged in the second hollow structure, and a turning cylinder is arranged at the lower part of the turning cylinder mounting seat after penetrating through the second soft organ type protective cover.

6. The circular cylinder welding seam cavitation cleaning device of claim 1, characterized in that: the water circulating system comprises a high-pressure water pump, a clean water tank, a sewage treatment tank, an impurity tank, a filter, wherein a water inlet of the filter is connected with a sewage outlet of a water cleaning chamber, an impurity discharging port of the filter is connected with the impurity tank through a water pipe, a water outlet of the filter is connected with a water inlet of the sewage treatment tank through a water pipe, a water outlet of the sewage treatment tank is connected with a water inlet of the clean water tank through a water pipe, a water outlet of the clean water tank is connected with a water inlet of the high-pressure water pump through a water pipe, and a water outlet of the high-pressure water pump is connected with a composite cavitation nozzle in the cleaning mechanism through a water pipe.

7. The circular cylinder welding seam cavitation cleaning device of claim 1, characterized in that: the air drying system comprises an air knife and an air knife mounting seat, the air knife is connected with a gas compressor through an air pipeline, the air knife is mounted on the air knife mounting seat, and the air knife mounting seat is fixedly connected to the inner wall of the cleaning chamber.

8. The circular cylinder piece weld seam cavitation cleaning device of claim 4, characterized in that: the cavitation nozzle comprises a nozzle main body and an outlet end cover, wherein the nozzle main body is of a columnar structure, a composite cavity, a resonant cavity and a water outlet which are sequentially communicated are arranged in the nozzle main body along the axial direction of the nozzle main body, and a stepped hole which runs through the columnar structure is formed in the nozzle main body by the composite cavity, the resonant cavity and the water outlet; the aperture of the composite cavity in the stepped hole is larger than that of the resonant cavity, and the aperture of the resonant cavity is larger than that of the water outlet; the composite cavity and the resonant cavity jointly form a self-excited oscillation cavity; the outlet end cover is fixedly arranged at the water outlet end of the nozzle main body, and a jet hole is formed in the outlet end cover; the ultrasonic actuating mechanism is fixedly connected with the composite cavity end of the nozzle main body; the outer wall of the composite cavity of the nozzle main body is provided with a water injection hole communicated with the composite cavity.

9. The circular cylinder piece weld seam cavitation cleaning device of claim 8, characterized in that: the ultrasonic actuating mechanism comprises an ultrasonic generator, a transducer, a waveguide and a waveguide sleeve; the waveguide is of a cylindrical structure, a waveguide sleeve is sleeved outside the waveguide, and the waveguide sleeve and the waveguide are coaxially arranged and in clearance fit; one end of the waveguide sleeve is fixedly and hermetically connected with the composite cavity end of the nozzle main body, and the waveguide sleeve and the composite cavity are coaxially arranged; the transducer is arranged at one end of the waveguide far away from the nozzle body, and the transducer is fixedly connected with the waveguide by adopting a screw; the transducer is connected with the ultrasonic generator through a lead.

10. The circular cylinder piece weld seam cavitation cleaning device of claim 8, characterized in that: near the end of the composite cavity, the waveguide extends out of the waveguide sleeve for a certain distance, the extending part is inserted into the composite cavity, and the waveguide and the composite cavity are in clearance fit.