CN112475566A

CN112475566A - Welding equipment

Info

Publication number: CN112475566A
Application number: CN202011322146.XA
Authority: CN
Inventors: 雒明伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The invention discloses welding equipment which comprises a welding body consisting of a welding rack, a protection mechanism and a dust collection mechanism, wherein the protection mechanism comprises a bearing plate, a convex lens is arranged inside the bearing plate, the left side of the bearing plate is rotatably connected with an adapter plate through a damping rotating shaft, a concave lens is arranged on the right side of the adapter plate, a protection cover is arranged at the top of the concave lens, polycarbonate is imported from the protection cover, the left side of the protection cover is fixedly connected with the right side of the adapter plate, and the bottom of the left side of the bearing plate is fixedly connected with the dust collection mechanism. This welding equipment has solved the smog that produces in the welding process but unable protection, and then has very big harm to the human body, and welding glasses is irregular simultaneously, and ultraviolet ray and infrared radiation are all very strong skin on the face not good among the welding process, and the welding glasses light transmissivity that the welder wore is poor, sees unclear the molten bath, influences welding quality's problem.

Description

Welding equipment

Technical Field

The invention relates to the technical field of welding, in particular to welding equipment.

Background

One method for combining welded parts by heating or pressurizing or both, with or without filler, is welding, which can solve not only the connection of various steels, but also the connection of non-ferrous metals such as aluminum, copper, etc., and special metal materials such as titanium, zirconium, etc., and thus has been widely used in the sectors of machinery manufacturing, shipbuilding, ocean development, automobile manufacturing, petrochemical industry, aerospace technology, atomic energy, electric power, electronic technology, construction, etc. According to the statistics of industrially developed countries, the steel used after only welding processing is required to account for about 45% of the total steel production each year.

According to the Chinese patent CN107414362A, the invention relates to the technical field of automatic welding equipment, in particular to a protective cover for automatic welding equipment, which comprises a welding and cutting device, wherein a protective sleeve is fixedly connected to the outside of the welding and cutting device through a linear bearing, the linear bearing is fixedly connected to one end inside the protective sleeve, a protective shell is arranged outside the protective sleeve, the protective shell and the protective sleeve are coaxially arranged and fixedly connected to the welding and cutting device, two strip-shaped sliding blocks are symmetrically arranged on the outer wall of the protective sleeve, limiting blocks are fixedly connected to two ends of the two strip-shaped sliding blocks, two convex blocks are symmetrically arranged at the bottom of the protective shell, strip-shaped sliding grooves matched with the strip-shaped sliding blocks are formed in the two convex blocks, two electric telescopic rods are symmetrically arranged on the outer.

In traditional factory, there is the welding of the class of brazing almost not to have safeguard measure, argon arc welds and the welding of electric welding class protects through wearing welding glasses, nevertheless the smog that produces among the welding process can't protect, and then has very big harm to the human body, welding glasses are irregular simultaneously, the radiation of ultraviolet ray and infrared ray is all very strong not good to the skin on the face among the welding process, the welding glasses light transmissivity that the welder wore is poor, see not clearly the molten bath, influence the problem of welding quality.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides welding equipment, which solves the problems that smoke generated in the welding process cannot be protected, so that the human body is greatly damaged, meanwhile, welding glasses are irregular, the radiation of ultraviolet rays and infrared rays in the welding process is strong, the skin on the face is not good, the light transmission of the welding glasses worn by a welder is poor, a molten pool cannot be seen clearly, and the welding quality is influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a welding equipment, includes the welding body that welding frame, protection machanism and dust absorption mechanism constitute, protection machanism is including accepting the board, the inside of accepting the board is provided with convex lens, the left side of accepting the board is rotated through the damping pivot and is connected with the keysets, the right side of keysets is provided with concave lens, concave lens's top is provided with the protection casing, the material import polycarbonate of protection casing, the left side of protection casing and the right side fixed connection of keysets, the left side bottom fixedly connected with dust absorption mechanism of accepting the board, be provided with the welding frame under accepting the board, dust absorption mechanism's bottom and ground fixed connection.

Preferably, the right side of keysets is seted up flutedly, the inside rotation of recess is connected with the screw rod, the top of screw rod runs through the keysets and extends to the outside of keysets, the top fixedly connected with of keysets is rotatory cap, the outside threaded connection of screw rod has the screw thread piece, the right side of screw thread piece and the left side fixed connection of concave lens.

Compared with the prior art, the dust absorption mechanism can absorb the smoke generated by welding, wherein the smoke contains some suspended particles, toxic gases such as CO, NO2 and the like, and some metal suspended substances, thereby reducing the damage to the body of a welder, the protective cover replaces the traditional welding glasses, provides the glasses and the face of a larger-area protective welder, adopts imported polycarbonate to have good blocking effect on welding hard light, adopts the welding glasses with the protective cover to make the face and the glasses easier in the welding process of the welder, improves the welding efficiency of the welder, simultaneously adopts the principle of Galileo telescope, enlarges the welding pool by the convex lens and the concave lens, can make the welder clearly observe the welding process, improves the welding quality, can make different welders adjust the welding angle according to the self requirements, and can adjust the concave penetration up and down by the rotating cap through the screw rod, and can carry out correction adjustment before welding, the observation definition of a welder in the welding process is ensured.

Preferably, the receiving plate is internally provided with cleaning mechanisms respectively, the bottom of the receiving plate is communicated with an air blowing pipe, the bottom of the air blowing pipe is communicated with a positioning hose, and one end of the hose, far away from the air blowing pipe, is fixedly connected with a spray head.

Preferably, clearance mechanism is including the clearance frame, the inside of clearance frame is provided with first electromagnetism piece, the outside of first electromagnetism piece and the inside fixed connection of clearance frame, the right side fixedly connected with telescopic link of first electromagnetism piece, the right side fixedly connected with spring assembly of first electromagnetism piece, the right-hand member fixedly connected with second electromagnetism piece of telescopic link, the right-hand member of spring assembly and the left side fixed connection of second electromagnetism piece.

Preferably, the right side of the second electromagnetic block is provided with a rebound bag, the right side of the rebound bag is fixedly connected with a rebound plate, and the outer side of the rebound plate is fixedly connected with the inside of the cleaning frame.

Compared with the tradition, the smog granule impurity that clearance mechanism can produce among the welding process etc. condense and handle on the lens surface, clean process can go on in welding process in step, reduce the washing of manpower, improve welding quality and efficiency, utilize air cleaning simultaneously, the flannel cleans more protection lens than comparing, improve equipment life, positioning hose can the optional position control, improve the utilization ratio of clearance mechanism, it is more convenient that the welder use process, the injector head improves clear scope, it is cleaner to make the lens clean, when the telescopic link guarantees that the second electromagnetic block keeps away from first electromagnetic block parallel displacement, speed even running, when the protection improves the resilience bag, improve the stability of air current, when the resilience board prevents that the gas blow pipe from being blocked up, resilience board is to the right side deformation, the protection resilience bag.

Preferably, the rebound bag comprises a bag shell, a rebound protection mechanism is arranged in the bag shell, and the right side of the bag shell is communicated with one end of the air blowing pipe.

Preferably, protection resilience mechanism is including the resilience frame, the left side fixedly connected with bouncing ball of resilience frame, the right side fixed connection of bouncing ball returns the shell fragment, the right side fixedly connected with convex shell of shell fragment returns, the right side fixedly connected with spring of convex shell, the inside sliding connection of resilience frame has the acceptance bar, the right side of acceptance bar and the inside fixed connection of resilience frame, the left side of acceptance bar and the right-hand member fixed connection of spring.

Preferably, the injector head includes sprays the frame, the bottom of spraying the frame is linked together with the one end of location hose, the inside fixedly connected with rigging plate of spraying the frame, the inlet port has been seted up to the inside of rigging plate, inlet port top intercommunication has the reducer, the top fixedly connected with of reducer mouthful of loosing, the top of the mouth of loosing runs through spraying the frame and extends to the outside of spraying the frame, the outside fixedly connected with protective bag of reducer.

Preferably, the dust collection mechanism comprises a dust collection plate, the top of the dust collection plate is communicated with a dust collection pipe, a dust collection hole is formed in the dust collection plate, the top of the dust collection hole is communicated with the inside of the dust collection pipe, and the bottom of the dust collection plate is fixedly connected with the ground.

Compared with the tradition, protection resilient means protection capsule is in compression process, receive the extrusion and cause the capsule to break, can also play the effect of the quick resilience of capsule deformation with higher speed simultaneously, the bounce ball has fine guard action to the elastic deformation inner wall of capsule, can not cause the scratch, the whole elastic deformation intensity of resilience piece increase protection resilient means, improve the life of protection resilient means, cooperation clearance mechanism, guarantee that the air current of erupting is more stable, improve clear quality, the effect of making an uproar and increasing the gas velocity of flow can fall the gas of inflow to the reducer, the protection capsule can protect the outer wall of reducer simultaneously, reduce the vibrations of reducer, increase the noise reduction effect, increase the life of injector head.

(III) advantageous effects

The invention provides a welding device. The method has the following beneficial effects:

(1) the invention is provided with the dust collection mechanism, and the dust collection mechanism can adsorb suspended particles, toxic gases such as CO, NO2 and the like and suspended metal substances in smoke generated by welding, thereby reducing the damage to the body of a welder.

(2) The protective cover is arranged, the traditional welding glasses are replaced by the protective cover, the glasses and the face of a welder can be protected in a larger area, meanwhile, the protective cover has a good blocking effect on welding hard light by adopting imported polycarbonate, the welding glasses are taken from the protective cover, so that the face and the glasses of the welder are easier in the welding process, and the welding efficiency of the welder is improved.

(3) The invention is provided with a convex lens and a concave lens, and by utilizing the principle of a Galileo telescope through the convex lens and the concave lens, in order to obtain an upright welding pool, the objective lens is a convex lens with longer focal length, and the eyepiece lens is a concave lens, so that light rays emitted by a distant object meet the eyepiece lens (the concave lens) after passing through the objective lens and before converging and imaging, converging light rays are diverged, and the intersection points of reverse extension lines of the diverging light rays form an upright virtual image so as to observe the welding pool and the welding process and improve the integral quality of a welding part.

(4) The invention is provided with the damping rotating shaft and the rotating cap, different welders can adjust the welding angle according to the requirements of the welders through the damping rotating shaft, the rotating cap adjusts the concave lens up and down through the screw rod, and the correcting adjustment is carried out before the welding, so that the observation definition of the welders in the welding process is ensured.

(5) The cleaning mechanism is arranged, smoke particle impurities and the like generated in the welding process can be condensed on the surface of the lens to be treated, the cleaning process can be synchronously performed in the welding process, manual scrubbing is reduced, welding quality and efficiency are improved, meanwhile, air cleaning is utilized, the lens is protected compared with lint scrubbing, and the service life of equipment is prolonged.

(6) The lens cleaning device is provided with the positioning hose and the spray head, the positioning hose can be adjusted at any position through the positioning hose, the utilization rate of the cleaning mechanism is improved, a welder can use the lens cleaning device more conveniently, and the spray head can improve the cleaning range and enable lenses to be cleaned more cleanly.

(7) The invention is provided with the telescopic rod and the rebound board, so that when the second electromagnetic block is far away from the parallel displacement of the first electromagnetic block through the telescopic rod, the speed stably runs, the stability of air flow is improved while the rebound bag is protected and improved, and when the blow pipe is prevented from being blocked by the rebound board, the rebound board deforms towards the right side, so that the rebound bag is protected.

(8) The protection rebound mechanism is arranged, the protection elastic bag on the protection rebound mechanism is extruded to cause the elastic bag to break in the compression process, and meanwhile, the effect of accelerating the quick rebound of the elastic bag can be achieved, the elastic ball has a good protection effect on the elastic deformation inner wall of the elastic bag and cannot cause scratches, the rebound sheet increases the overall elastic deformation strength of the protection rebound mechanism to improve the service life of the protection rebound mechanism, and the cooperation with the cleaning mechanism ensures that the ejected air flow is more stable and improves the cleaning quality.

(9) The invention is provided with the reducing pipe and the protection bag, the reducing pipe can reduce noise of inflowing gas and increase gas flow velocity, and meanwhile, the protection bag can protect the outer wall of the reducing pipe, reduce vibration of the reducing pipe, increase noise reduction effect and prolong service life of the injector head.

Drawings

FIG. 1 is a schematic structural diagram of a novel solid of the present invention;

FIG. 2 is a schematic structural view of a novel front half-section of the present invention;

FIG. 3 is a schematic right-side view of a half-section of the novel optical fiber;

FIG. 4 is a schematic structural view of a section of the novel cleaning mechanism of the present invention;

FIG. 5 is a schematic structural view of a section of the novel rebound bladder of the present invention;

FIG. 6 is a schematic structural diagram of a section of the novel injector head of the present invention;

fig. 7 is a three-dimensional structure schematic diagram of the novel dust suction mechanism.

In the figure: 1, 2, a welding frame, 3, a protection mechanism, 4, a dust suction mechanism, 31, a bearing plate, 32 convex lenses, 33, a transfer plate, 34 concave lenses, 35, a protective cover, 331 grooves, 332 screws, 333 rotating caps, 334 screw blocks, 311 blow pipes, 312 positioning hoses, a cleaning mechanism, b spray heads, a1 cleaning frame, a2 first electromagnetic blocks, a3 telescopic rods, a4 spring groups, a5 second electromagnetic blocks, a6 rebound capsules, a7 rebound plates, a61 capsule shells, a62 protection rebound mechanisms, a621 rebound frames, a622 elastic balls, a623 rebound pieces, a624 convex shells, a625 springs, a626 bearing rods, b1 spray frames, b2, b3 air inlet holes, b4 reducing pipes, b5 divergence openings, b6 protection capsules, 41 dust suction plates, 42 dust suction pipes and 43 dust suction holes.

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.

The first embodiment is as follows:

referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a welding equipment, including welding frame 2, welding body 1 that protection machanism 3 and dust absorption mechanism 4 are constituteed, protection machanism 3 is including accepting board 31, the inside of accepting board 31 is provided with convex lens 32, the left side of accepting board 31 is rotated through the damping pivot and is connected with adapter plate 33, the right side of adapter plate 33 is provided with concave lens 34, concave lens 34's top is provided with protection casing 35, the imported polycarbonate of the material of protection casing 35, the left side of protection casing 35 and adapter plate 33's right side fixed connection, the left side bottom fixedly connected with dust absorption mechanism 4 of accepting board 31, accept and be provided with welding frame 2 under board 31, the bottom and the ground fixed connection of dust absorption mechanism 4.

The groove 331 is formed in the right side of the adapter plate 33, a screw rod 332 is rotatably connected to the inside of the groove 331, the top of the screw rod 332 penetrates through the adapter plate 33 and extends to the outside of the adapter plate 33, a rotating cap 333 is fixedly connected to the top of the adapter plate 33, a screw block 334 is connected to the outer side of the screw rod 332 in a threaded mode, and the right side of the screw block 334 is fixedly connected with the left side of the concave lens 34.

When the device is used, a welder puts a matched welding piece on the welding rack 2 and transfers the welding piece to the position under the protection mechanism 3, the welder manually adjusts the adapter plate 33 to rotate, the adapter plate 33 rotates around the bearing plate 31 through the damping rotating shaft to a proper observation position and then is fixed, then the screw 332 is driven to rotate through adjusting the rotating cap 333 to drive the screw block 334 to drive the concave lens 34 to move up and down, and after the proper observation position is adjusted, the welding piece is welded, compared with the prior art, the device can adsorb smoke generated by welding, contains some suspended particles, toxic gases such as CO, NO2 and the like, and some metal suspended substances, reduces the damage to the body of the welder, the protection cover 35 replaces the traditional welding glasses, provides the glasses and the face of the welder with larger area, the protection cover 35 adopts the imported polycarbonate to have good blocking effect on welding hard light, the protection casing 35 is got and is taken the welding glasses to make welder's welding process in face and glasses lighter, improve welder's welding efficiency, utilize Galileo telescope principle simultaneously, convex lens 32 and concave lens 34 enlarge the welding molten bath, can make welder's clear observation welding process, improve welding quality, the damping pivot can let different welders adjust welding angle according to self demand, change cap 333 and adjust from top to bottom concave lens 34 through screw rod 332, carry out the correction regulation before the welding, guarantee welding process welder's observed definition.

Example two:

referring to fig. 1-4, on the basis of the first embodiment, the present invention provides a technical solution: cleaning mechanisms a are respectively arranged in the bearing plates 31, the bottoms of the bearing plates 31 are communicated with air blowing pipes 311, the bottoms of the air blowing pipes 311 are communicated with positioning hoses 312, and one ends of the hoses 312, which are far away from the air blowing pipes 311, are fixedly connected with spraying heads b.

Clearance mechanism a includes clearance frame a1, the inside of clearance frame a1 is provided with first electromagnetism piece a2, the outside of first electromagnetism piece a2 and the inside fixed connection of clearance frame a1, the right side fixedly connected with telescopic link a3 of first electromagnetism piece a2, the right side fixedly connected with spring assembly a4 of first electromagnetism piece a2, the right-hand member fixedly connected with second electromagnetism piece a5 of telescopic link a3, the right-hand member of spring assembly a4 and the left side fixed connection of second electromagnetism piece a 5.

The right side of the second electromagnetic block a5 is provided with a rebound bag a6, the right side of the rebound bag a6 is fixedly connected with a rebound board a7, and the outer side of the rebound board a7 is fixedly connected with the inside of the cleaning frame a 1.

When the cleaning mechanism is used, after the cleaning mechanism is welded for a period of time, an external power supply is switched on to communicate a first electromagnetic block a2 with a second electromagnetic block a5, magnetic force is repelled, the second electromagnetic block a5 moves rightwards to drive a telescopic rod a3 to stretch and drive a spring group a4 to stretch, the right side of the second electromagnetic block a5 extrudes a rebound bag a6, the right side of the rebound bag a6 extrudes a rebound plate a7, gas inside the rebound plate a6 is compressed, flows out through a gas blowing pipe 311, flows into a positioning hose 312 and flows into a spray head b, after the external power supply is switched off, the rebound bag is restored under the pulling force of the spring group a4, compared with the prior art, the cleaning mechanism a can treat smoke particles, impurities and the like generated in the welding process and condense on the surface of a lens, the cleaning process can be synchronously performed in the welding process, manual cleaning is reduced, the welding quality and the efficiency are improved, meanwhile, air cleaning, location hose 312 can the optional position control, improve the utilization ratio of cleaning mechanism a, it is more convenient that the welder uses, injector head b4 improves clear scope, it is cleaner to make the lens, telescopic link a3 guarantees that second electromagnetism piece a5 keeps away from when first electromagnetism piece a2 parallel displacement, speed even running, when the protection improves resilience bag a6, the stability of air current is improved, resilience board a7 prevents that the gas blow pipe is blocked up, resilience board a7 is to right side deformation, protection resilience bag a 6.

Example three:

referring to fig. 1-7, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: rebound capsule a6 comprises capsule shell a61, capsule shell a61 is internally provided with a protective rebound mechanism a62, and the right side of capsule shell a61 is communicated with one end of an air blowing pipe 311.

The protection rebound mechanism a62 comprises a rebound frame a621, a bouncing ball a622 is fixedly connected to the left side of the rebound frame a621, a rebound sheet a623 is fixedly connected to the right side of the bouncing ball a622, a convex shell a624 is fixedly connected to the right side of the rebound sheet a623, a spring a625 is fixedly connected to the right side of the convex shell a624, a bearing rod a626 is slidably connected inside the rebound frame a621, the right side of the bearing rod a626 is fixedly connected with the inside of the rebound frame a621, and the left side of the bearing rod a626 is fixedly connected with the right end of the spring a 625.

The spraying head b comprises a spraying frame b1, the bottom of the spraying frame b1 is communicated with one end of the positioning hose 312, a laminating plate b2 is fixedly connected to the inside of the spraying frame b1, an air inlet hole b3 is formed in the laminating plate b2, the top of the air inlet hole b3 is communicated with a reducing pipe b4, a dispersing opening b5 is fixedly connected to the top of the reducing pipe b4, the top end of the dispersing opening b5 penetrates through the spraying frame b1 and extends to the outside of the spraying frame b1, and a protective bag b6 is fixedly connected to the outer side of the reducing pipe b 4.

The dust collection mechanism 4 comprises a dust collection plate 41, a dust collection pipe 42 is communicated with the top of the dust collection plate 41, a dust collection hole 43 is formed in the dust collection plate 41, the top of the dust collection hole 43 is communicated with the inside of the dust collection pipe 42, and the bottom of the dust collection plate 41 is fixedly connected with the ground.

When the electromagnetic block a5 is moved rightwards to press the rebound capsule a6, the left side of the inner wall of the rebound capsule a6 presses the elastic ball a622, the rebound frame a621 and the bearing rod a626 are driven to slide relatively, the rebound sheet a623 is driven to deform elastically, the convex shell a624 is driven to move rightwards, the convex shell a624 is driven to compress the spring a625 rightwards, the gas in the rebound capsule a6 flows into the injection head b through the gas blowing pipe 311, flows into the gas inlet hole b3, flows into the reducing pipe b4, flows out the diverging hole b5, after the second electromagnetic block a5 recovers, the elastic ball a6 is automatically recovered by the self elastic force and the elastic force of the spring a625, compared with the prior art, the elastic ball a622 protects the elastic deformation inner wall of the rebound capsule a6 well without causing great protection, and the elastic deformation strength of the rebound sheet a62 is increased, improve the life of protection resilience mechanism a62, cooperation clearance mechanism a guarantees that the air current of erupting is more stable, improves clear quality, and reducer b4 can fall the effect of making an uproar and increase the gas velocity of flow to the gas that flows in, and protection bag b6 can protect reducer b 4's outer wall simultaneously, reduces reducer b 4's vibrations, increases noise reduction effect, increases injector head b's life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a welding equipment, includes welding frame (2), protection machanism (3) and welding body (1) that dust absorption mechanism (4) are constituteed, its characterized in that: protection machanism (3) are including accepting board (31), the inside of accepting board (31) is provided with convex lens (32), the left side of accepting board (31) is rotated through the damping pivot and is connected with keysets (33), the right side of keysets (33) is provided with concave lens (34), the top of concave lens (34) is provided with protection casing (35), the material import polycarbonate of protection casing (35), the left side of protection casing (35) and the right side fixed connection of keysets (33), the left side bottom fixedly connected with dust absorption mechanism (4) of accepting board (31), be provided with welding frame (2) under accepting board (31), the bottom and the ground fixed connection of dust absorption mechanism (4).

2. A welding apparatus as defined in claim 1, wherein: the right side of keysets (33) is seted up flutedly (331), the inside rotation of flutedly (331) is connected with screw rod (332), keysets (33) are run through and extend to the outside of keysets (33) in the top of screw rod (332), the top fixedly connected with of keysets (33) is rotatory cap (333), the outside threaded connection of screw rod (332) has screw block (334), the right side of screw block (334) and the left side fixed connection of concave lens (34).

3. A welding apparatus as defined in claim 1, wherein: the cleaning mechanism (a) is arranged in the bearing plate (31) respectively, the bottom of the bearing plate (31) is communicated with an air blowing pipe (311), the bottom of the air blowing pipe (311) is communicated with a positioning hose (312), and one end, far away from the air blowing pipe (311), of the hose (312) is fixedly connected with a spray head (b).

4. A welding apparatus as defined in claim 3, wherein: clearance mechanism (a) is including clearance frame (a1), the inside of clearance frame (a1) is provided with first electromagnetism piece (a2), the outside of first electromagnetism piece (a2) and the inside fixed connection of clearance frame (a1), the right side fixedly connected with telescopic link (a3) of first electromagnetism piece (a2), the right side fixedly connected with spring assembly (a4) of first electromagnetism piece (a2), the right-hand member fixedly connected with second electromagnetism piece (a5) of telescopic link (a3), the right-hand member of spring assembly (a4) and the left side fixed connection of second electromagnetism piece (a 5).

5. A welding apparatus as claimed in claim 4, characterized in that: the right side of the second electromagnetic block (a5) is provided with a rebound bag (a6), the right side of the rebound bag (a6) is fixedly connected with a rebound board (a7), and the outer side of the rebound board (a7) is fixedly connected with the inside of a cleaning frame (a 1).

6. A welding apparatus as claimed in claim 5, wherein: the rebound bag (a6) comprises a bag shell (a61), a rebound protection mechanism (a62) is arranged inside the bag shell (a61), and the right side of the bag shell (a61) is communicated with one end of an air blowing pipe (311).

7. A welding apparatus as claimed in claim 6, characterized in that: protection resilience mechanism (a62) is including resilience frame (a621), the left side fixedly connected with bouncing ball (a622) of resilience frame (a621), the right side fixed connection of bouncing ball (a622) returns shell fragment (a623), the right side fixedly connected with convex shell (a624) of returning shell fragment (a623), the right side fixedly connected with spring (a625) of convex shell (a624), the inside sliding connection of resilience frame (a621) has accepts pole (a626), the inside fixed connection who accepts the right side of pole (a626) and resilience frame (a621), the left side of accepting pole (a626) and the right-hand member fixed connection of spring (a 625).

8. A welding apparatus as defined in claim 3, wherein: the shower head (b) is including spouting frame (b1), the bottom of spouting frame (b1) is linked together with the one end of location hose (312), the inside fixedly connected with rigging board (b2) of spouting frame (b1), inlet port (b3) have been seted up to the inside of rigging board (b2), inlet port (b3) top intercommunication has reducing pipe (b4), the top fixedly connected with of reducing pipe (b4) sends out mouthful (b5), the top of sending out mouthful (b5) is run through and is spouted frame (b1) and extend to the outside of spouting frame (b1), the outside fixedly connected with protective bag (b6) of reducing pipe (b 4).

9. A welding apparatus as defined in claim 1, wherein: the dust collection mechanism (4) comprises a dust collection plate (41), the top of the dust collection plate (41) is communicated with a dust collection pipe (42), a dust collection hole (43) is formed in the dust collection plate (41), the top of the dust collection hole (43) is communicated with the inside of the dust collection pipe (42), and the bottom of the dust collection plate (41) is fixedly connected with the ground.