CN113492275B - Two-phase non-uniform pre-reaction curved surface full-lossless automobile body welding equipment - Google Patents

Two-phase non-uniform pre-reaction curved surface full-lossless automobile body welding equipment Download PDF

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CN113492275B
CN113492275B CN202111040793.6A CN202111040793A CN113492275B CN 113492275 B CN113492275 B CN 113492275B CN 202111040793 A CN202111040793 A CN 202111040793A CN 113492275 B CN113492275 B CN 113492275B
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welding
phase
carbon dioxide
joint
liquid
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CN113492275A (en
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刘建华
马克启
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Xuzhou Tenglong Transportation Equipment Co ltd
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Xuzhou Tenglong Transportation Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/02—Carriages for supporting the welding or cutting element
    • B23K37/0252—Steering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Assembly (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses two-phase uneven pre-reaction curved fully-lossless automobile body welding equipment which comprises a fixed base, an automobile body conveying guide rail, an elastic pre-reverse-pushing curved memory alloy assembled vacuum adsorption clamping device, a transfer conveying plate, a transfer lifting supporting mechanism, an atomization spraying type carbon dioxide capturing device, a multi-joint all-directional welding mechanical arm, two-phase uneven gas-liquid mixing fully-lossless gravity self-regulation type blocking welding device, a shape reduction assembly, a capturing air pump, a capturing air suction cover, a capturing air exhaust elastic telescopic hose and a capturing air supply pipe. The invention belongs to the technical field of automobile body welding, and particularly provides a two-phase uneven pre-reaction curved surface all-lossless and two-phase uneven pre-reaction curved surface all-lossless automobile body welding device which realizes all-lossless welding processing of workers and automobile bodies and enables the same automobile body transportation guide rail to stably clamp various automobile bodies.

Description

Two-phase non-uniform pre-reaction curved surface full-lossless automobile body welding equipment
Technical Field
The invention belongs to the technical field of automobile body welding, and particularly relates to two-phase uneven pre-reaction curved surface full-nondestructive automobile body welding equipment.
Background
The automobile body component is mainly manufactured by assembling and welding cold-rolled steel sheet stamping parts with good stamping and welding manufacturability, the welding of the automobile body component is mostly finished by adopting a production mode of flow production, the mechanization and the automation degree are high, a large amount of special equipment and tool fixtures are adopted, more and more welding work is finished by an automatic welding machine and a welding robot, the existing automobile body welding device can not carry out fixed transportation on different automobile bodies because an automobile body transportation guide rail belongs to a fixed structure, one production line can only carry out transmission welding processing on one automobile type, the welding processing of the automobile bodies of different types is difficult to adapt, when the automobile bodies are transported and welded, the automobile bodies need to be clamped, particularly when the automobile bodies are welded and assembled, the existing clamping device can block the automobile bodies when the automobile bodies are fixedly clamped, and the full welding of the automobile bodies is influenced, how to realize not only the firm steadiness of guaranteeing the equipment welding of centre gripping to the automobile body, can not carry out the centre gripping to the automobile body simultaneously and avoid influencing the automobile body all weld be the contradictory technical problem that needs to solve at present urgently, in welding process, need sufficient heat energy and mechanical energy in order to reach metal welding's purpose, then a large amount of welding sparks and a large amount of dust can appear in the welding process, very easily cause the injury to automobile body and worker, dangerous high, prior art is difficult to realize the all damage-free welding of people and automobile body.
Disclosure of Invention
In order to solve the existing problems, the invention provides a welding device aiming at the problems of easy splashing spark and high danger of the existing welding device, creatively combines a local quality principle, a physical parameter change principle and a phase change principle and introduces the local quality principle, the physical parameter change principle and the phase change principle into the technical field of automobile body welding, converts uniform carbon dioxide into gas-liquid two-phase carbon dioxide which is unevenly sprayed and arranged, protects, cools and inhibits and isolates sparks generated by welding through the gas-liquid two-phase carbon dioxide, combines traditional gas-phase carbon dioxide and liquid-phase carbon dioxide, reduces and inhibits sparks generated during welding according to the asphyxiation effect of the liquid-phase carbon dioxide and the characteristic of absorbing a large amount of heat during phase change, blocks the influence of the outer-layer liquid-phase carbon dioxide on the welding part during gasification through the preset inner-layer high-temperature gas-phase carbon dioxide, ensures the welding temperature, and solves the problems that the welding temperature which is difficult to solve in the prior art is high, ensures the quality of the welding part and cannot avoid the sparks generated during welding from splashing The technical problems that a human body and an automobile body are scalded, the automobile body is welded and fixed, meanwhile, splashed sparks cannot be welded on the automobile body or splashed on the human body are contradictory technical problems, the full-damage-free welding processing on workers and the automobile body is really realized, an atomization spraying type carbon dioxide catching device is arranged, the carbon dioxide is caught, aiming at the technical bias that the automobile body with irregular hollow bulges and the same automobile body transportation guide rail are difficult to fix different types of automobile bodies, a curved surface shape memory alloy connecting piece with a curved surface and a vacuum adsorption technology are introduced into the technical field of welding, fixing and clamping of the automobile body by combining a pre-reaction principle, a curved surface principle and a dynamic characteristic principle, the technical problems that the automobile body is difficult to clamp and the automobile body cannot be clamped (clamping is easy to affect welding) in the prior art are solved, the two-phase non-uniform pre-reaction curved surface fully-lossless automobile body welding equipment realizes the perfect matching and stable fixed clamping technical effect of the same automobile body transportation guide rail on various automobile bodies.
The technical scheme adopted by the invention is as follows: the invention relates to two-phase uneven pre-reaction curved surface fully-lossless automobile body welding equipment which comprises a fixed base, an automobile body transportation guide rail, an elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device, a transportation conveying plate, a middle transportation lifting supporting mechanism, an atomization spraying type carbon dioxide capturing device, a multi-joint all-directional welding mechanical arm, a two-phase uneven gas-liquid mixing fully-lossless gravity self-regulation type blocking welding device, a shape reduction assembly, a capturing air pump, a capturing air suction cover, a capturing air exhaust elastic telescopic hose and a capturing air supply pipe, wherein supporting columns are uniformly arranged on the lower wall of the automobile body transportation guide rail at equal intervals and fixedly support the automobile body transportation guide rail, the fixed base is arranged below the middle part of the automobile body transportation guide rail, the atomization spraying type carbon dioxide capturing devices are symmetrically arranged on two sides of the fixed base, and the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device and the transportation conveying plate are arranged on two sides of the fixed base On the automobile body transportation guide rail, the automobile body transportation guide rail is arranged on two sides of an elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, a multi-joint all-directional welding mechanical arm is arranged on a fixed base, the multi-joint all-directional welding mechanical arm is symmetrically arranged on two sides of the automobile body transportation guide rail and the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, a transfer lifting supporting mechanism is arranged on the fixed base between the automobile body transportation guide rail and the multi-joint all-directional welding mechanical arm, the transfer lifting supporting mechanism is symmetrically arranged on two sides of the automobile body transportation guide rail and the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, the two-phase non-uniform gas-liquid mixing full-damage gravity self-regulation blocking welding device is arranged on the multi-joint all-directional welding mechanical arm, and the multi-joint all-directional welding mechanical arm can carry out multi-angle rotation regulation so as to drive the two-phase non-uniform gas-liquid mixing full-damage gravity self-regulation self-vacuum adsorption clamping device The shape blocking welding device is used for carrying out multi-angle all-dimensional adjustment, so that the welding angle can be conveniently adjusted, the full welding of an automobile body is realized, the shape reduction assembly is arranged at the tail end of the automobile body transportation guide rail, the shape reduction assembly is convenient for reducing the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, and the device is convenient to recycle; the utility model discloses a welding air pump, including the gas pump, the gas pump is drawn to the gas pump, catch the gas pump and locate on the unable adjustment base lateral wall, the cover that induced drafts is located on the all-round welding arm of many joints, the elastic flexible hose intercommunication of drawing air of catching is located the input of catching the gas pump and is caught between the cover that induced drafts, the gas supply pipe intercommunication of catching is located and is caught between gas pump output and the atomizing fountain carbon dioxide trapping device, catches the gas pump and draws air through the elastic flexible hose of drawing air of catching and the cover that induced drafts the gas collection of mixing carbon dioxide of welding part and send into atomizing fountain carbon dioxide trapping device through catching the gas supply pipe and handle, realizes the seizure to carbon dioxide.
The two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking and welding device comprises a welding mechanism, a central fine adjustment mechanism, a two-phase carbon dioxide storage box, a two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking and spraying mechanism and a two-phase carbon dioxide conveying component, wherein the welding mechanism is arranged on a multi-joint all-directional welding mechanical arm, the central fine adjustment mechanism is arranged on the multi-joint all-directional welding mechanical arm, the two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking and spraying mechanism is arranged on the central fine adjustment mechanism, the central fine adjustment mechanism drives the two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking and spraying mechanism to adjust a spraying center so that the spraying center is aligned with a welding position, the two-phase carbon dioxide storage box is arranged on the multi-joint all-directional welding mechanical arm, and the two-phase carbon dioxide conveying component is arranged on the two-phase carbon dioxide storage box and the two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking and spraying mechanism The two-phase carbon dioxide conveying assembly is convenient for conveying the two-phase carbon dioxide stored in the two-phase carbon dioxide storage tank into the two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking spraying mechanism respectively; the two-phase non-uniform gas-liquid mixing fully-lossless gravity self-modulation blocking spraying mechanism comprises a gravity self-modulation spraying fixing body, a hinged seat, a preheating heating wire, an elastic rubber partition layer, an inner non-uniform local gas-phase sprayer and an outer non-uniform local liquid-phase atomizer, wherein the hinged seat is hinged to one end of a central fine-tuning mechanism, the gravity self-modulation spraying fixing body is arranged on the bottom wall of the hinged seat, the gravity self-modulation spraying fixing body is always kept in a vertical downward state under the action of gravity through the hinged seat so as to be convenient for aligning a welding part, the gravity self-modulation spraying fixing body sequentially comprises a central avoiding cavity, a gas-phase spraying cavity and a liquid-phase spraying cavity from inside to outside, the elastic rubber partition layer is arranged between the central avoiding cavity and the gas-phase spraying cavity, the central avoiding cavity and the gas-phase spraying cavity are separated through the elastic partition rubber layer, the preheating heating wire is arranged on one side wall of the gas-phase spraying cavity, which is far away from the elastic rubber partition layer, preheating heating wires are used for heating gas carbon dioxide in a gas phase spraying cavity, the inner uneven type local gas phase spray nozzles are uniformly arranged on the bottom wall of the gas phase spraying cavity at equal intervals and are communicated with the gas phase spraying cavity, hot gas carbon dioxide heated by the preheating heating wires in the gas phase spraying cavity is sprayed out through the inner uneven type local gas phase spray nozzles to form a hot gas carbon dioxide isolating layer, the hot gas carbon dioxide isolating layer can effectively guarantee the welding temperature of the welding position of an automobile body and guarantee the welding quality, meanwhile, when sparks generated by welding meet the hot gas carbon dioxide isolating layer, a part of small sparks are extinguished under the suffocation action of the hot gas carbon dioxide isolating layer, a part of large sparks penetrate through the hot gas carbon dioxide isolating layer, and the outer uneven type local liquid phase atomization spray nozzles are uniformly arranged on the bottom wall of the liquid phase spraying cavity at equal intervals, the outer nonuniform local liquid phase atomizer is communicated with the liquid phase spraying cavity, the outer nonuniform local liquid phase atomizer is arranged outside the inner nonuniform local gas phase atomizer, the outer nonuniform local liquid phase atomizer sprays liquid carbon dioxide in the liquid phase spraying cavity in a spraying mode to form an atomized liquid phase carbon dioxide partition layer outside a hot gas carbon dioxide partition layer, the liquid carbon dioxide is gasified after being sprayed to absorb a large amount of heat, so that the atomized liquid phase carbon dioxide partition layer inhibits the residual big sparks under the action of absorbing a large amount of heat during the phase change of the liquid carbon dioxide under the action of suffocation and cooling, the outer liquid carbon dioxide absorbs heat and then is cooled to form dry ice particles, and on one hand, the hot gas carbon dioxide partition layer isolates the influence of the gasified heat absorption cooling of the atomized liquid phase carbon dioxide partition layer on the temperature of the inner welding part, on the other hand, hot gas carbon dioxide partition layer provides heat for atomizing liquid phase carbon dioxide partition layer gasification, thereby be convenient for supply atomizing liquid phase carbon dioxide gasification absorbed heat, the gasification of dry ice particle absorbs a large amount of heat, make the temperature of surrounding air reduce, vapor takes place the liquefaction reaction in the air, give off heat, thereby form the droplet and form the fog, thereby form the fog layer outside atomizing liquid phase carbon dioxide partition layer, make atomizing liquid phase carbon dioxide partition layer be gas-liquid-solid three-phase mixing state, carry out the total inhibition through cooling and stifling to remaining big spark, thereby realize the total inhibition to welding spark, realize the total damage to automobile body and staff.
Further, the central fine adjustment mechanism comprises a fine adjustment fixing rod, a fine adjustment driving fixing body, a fine adjustment motor, a fine adjustment gear, a fine adjustment sliding rod, a limiting plate and a fine adjustment rack, the fine adjustment fixing rod is arranged on the multi-joint all-directional welding mechanical arm, the fine adjustment driving fixing body is arranged on the fine adjustment fixing rod, the fine adjustment driving fixing body is a hollow cavity body, a fine adjustment sliding through hole penetrating through the side wall of the fine adjustment driving fixing body on the opposite side is arranged on the fine adjustment driving fixing body, the fine adjustment sliding rod is arranged in the fine adjustment sliding through hole in a sliding manner, the fine adjustment sliding rod penetrates through the fine adjustment driving fixing body through the fine adjustment sliding through hole in a sliding manner, the fine adjustment gear is rotatably arranged in the fine adjustment driving fixing body, the fine adjustment rack is arranged on the side wall of the fine adjustment sliding rod close to the fine adjustment gear, the fine adjustment gear is meshed with the fine adjustment rack, the fine adjustment motor is arranged on the side wall of the fine adjustment driving fixing body, an output shaft of a fine adjustment motor penetrates through the side wall of a fine adjustment driving fixing body and is coaxially connected with a fine adjustment gear, the two-phase uneven gas-liquid mixing full-damage gravity self-regulation type blocking and spraying mechanism is arranged at one end of a fine adjustment sliding rod, the fine adjustment motor drives the fine adjustment gear to rotate, the fine adjustment gear drives a fine adjustment sliding rod to slide along a fine adjustment sliding through hole through a fine adjustment rack to adjust the position of the two-phase uneven gas-liquid mixing full-damage gravity self-regulation type blocking and spraying mechanism, the limiting plate is arranged at one end, away from the two-phase uneven gas-liquid mixing full-damage gravity self-regulation type blocking and spraying mechanism, of the fine adjustment sliding rod, the limiting plate and the two-phase uneven gas-liquid mixing full-damage gravity self-regulation type blocking and spraying mechanism are respectively arranged at two sides of the fine adjustment driving fixing body, the limiting plate limits the sliding of the fine adjustment sliding rod, and avoids the fine adjustment sliding rod from excessively separating from the fine adjustment driving fixing body; the two-phase carbon dioxide storage tank comprises a gas-phase carbon dioxide storage cavity and a liquid-phase carbon dioxide storage cavity, the gas-phase carbon dioxide storage cavity stores gas-phase carbon dioxide, the liquid-phase carbon dioxide storage cavity stores liquid-phase carbon dioxide, the two-phase carbon dioxide conveying assembly comprises a gas-phase carbon dioxide conveying pump, a liquid-phase carbon dioxide conveying pump, a gas-phase exhaust pipe, a gas-phase air-feeding elastic flexible hose, a liquid-phase heat-preserving exhaust pipe and a liquid-phase heat-preserving elastic flexible conveying pipe, the gas-phase carbon dioxide conveying pump and the liquid-phase carbon dioxide conveying pump are respectively arranged on the side wall of the two-phase carbon dioxide storage tank, the gas-phase exhaust pipe is communicated between the input end of the gas-phase carbon dioxide conveying pump and the gas-phase carbon dioxide storage cavity, the gas-phase air-feeding elastic flexible hose is communicated between the output end of the gas-phase carbon dioxide conveying pump and the gas-phase spraying cavity, and the liquid-phase heat-preserving exhaust pipe is communicated between the liquid-phase carbon dioxide conveying pump and the liquid-phase carbon dioxide storage cavity, liquid phase heat preservation elastic telescopic conveying pipe intercommunication is located the output of liquid phase carbon dioxide delivery pump and is sprayed between the chamber with the liquid phase, and liquid phase carbon dioxide delivery pump extracts liquid carbon dioxide and sends into the liquid phase through liquid phase heat preservation elastic telescopic conveying pipe from liquid phase carbon dioxide storage intracavity through liquid phase heat preservation liquid suction pipe and sprays the intracavity, and gaseous carbon dioxide is extracted from gaseous carbon dioxide storage intracavity through the gaseous exhaust tube to gaseous carbon dioxide and sends into the gaseous phase through gaseous phase air feed elastic telescopic hose and sprays the intracavity.
In order to avoid the heating temperature that the gaseous phase sprayed the intracavity to spray intracavity liquid carbon dioxide heat transfer to the liquid phase, the liquid phase sprays the chamber lateral wall and goes up the parcel and be equipped with the heat preservation, and the heat preservation sprays the liquid carbon dioxide of intracavity to the liquid phase and keeps warm, guarantees safe in utilization, liquid phase carbon dioxide storage chamber adopts the liquid carbon dioxide storage tank, the intercommunication is equipped with the inlet pipe on liquid phase carbon dioxide storage chamber and the gaseous carbon dioxide storage chamber respectively, be equipped with the control valve on the inlet pipe respectively, switching on and closing of control valve control inlet pipe, inlet pipe and control valve are convenient for store gaseous carbon dioxide and liquid phase carbon dioxide in gaseous carbon dioxide storage chamber and the liquid phase carbon dioxide respectively.
As a further improvement of the invention, a transportation screw rod is rotationally arranged in the vehicle body transportation guide rail, a transportation bidirectional motor is arranged on the side wall of the vehicle body transportation guide rail and is coaxially connected with the transportation screw rod, threaded sliders are symmetrically arranged on two sides of the elastic pre-reverse-pushing type curved memory alloy assembled vacuum adsorption clamping device and are slidably arranged on the transportation screw rod, the threaded sliders are in threaded connection with the transportation screw rod, a transportation conveying plate is arranged on the transportation screw rod and is in threaded connection with the transportation screw rod, the threaded sliders and the transportation conveying plate are driven by the transportation bidirectional motor to slide along the transportation screw rod, the sliding directions of the threaded sliders and the transportation conveying plate are controlled by controlling the rotation direction of the transportation bidirectional motor so as to drive the elastic pre-reverse-pushing type curved memory alloy assembled vacuum adsorption clamping device to move, and the transportation conveying plate and the elastic pre-reverse-pushing type curved memory alloy assembled vacuum adsorption clamping device synchronously move, the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device comprises a vacuum adsorption fixing body, an elastic deformation pre-reverse-pushing assembly, a curved surface memory alloy assembled and spliced vacuum adsorption fixing member, a vacuum sucker, a vacuum pump and a vacuum tube, wherein the vacuum adsorption fixing body is fixedly connected between threaded sliding blocks, the vacuum adsorption fixing body is a hollow cavity, the elastic deformation pre-reverse-pushing assembly is uniformly arranged on the upper wall of the vacuum adsorption fixing body at equal intervals, the curved surface memory alloy assembled and spliced vacuum adsorption fixing member is arranged above the elastic deformation pre-reverse-pushing assembly, the curved surface memory alloy assembled and spliced vacuum adsorption fixing member comprises an assembled and spliced vacuum adsorption fixing block and a curved surface shape memory alloy connecting piece, and the assembled and spliced vacuum adsorption fixing block is fixedly connected to the elastic deformation pre-reverse-pushing assembly, each group of elastic deformation pre-reverse-pushing assemblies are provided with a group of assembled spliced vacuum adsorption fixed blocks, the curved shape memory alloy connecting pieces are arranged between two adjacent groups of assembled spliced vacuum adsorption fixed blocks, the cross sections of the curved shape memory alloy connecting pieces are in U-shaped arrangement, the vacuum suction discs are embedded in the assembled spliced vacuum adsorption fixed blocks, the vacuum pumps are arranged on the side walls of the vacuum adsorption fixed bodies, the air exhaust ends of the vacuum pumps are communicated with the vacuum adsorption fixed bodies, the vacuum tubes penetrate through the elastic deformation pre-reverse-pushing assemblies and are communicated and arranged between the lower ends of the vacuum suction discs and the vacuum adsorption fixed bodies, the vacuum pumps exhaust air to form negative pressure in the vacuum adsorption fixed bodies, the vacuum adsorption fixed bodies exhaust air through the vacuum tubes to form the negative pressure at the vacuum suction discs so as to fix the automobile bodies in a vacuum adsorption mode, and the elastic deformation pre-reverse-pushing assemblies push the automobile bodies downwards and generate an upward reverse-pushing elastic acting force to bring the downward gravity of the automobile bodies when the automobile bodies are pressed down A dynamic curved surface memory alloy assembly splicing type vacuum adsorption fixing part is deformed, attached and attached to an automobile body with irregular hollowed-out protrusions, a curved surface shape memory alloy connecting piece and a vacuum adsorption technology which are arranged on a curved surface are introduced into the technical field of automobile body welding and fixing clamping through the combination of a pre-reaction principle, a curved surface principle and a dynamic characteristic principle, the technical problem that the automobile body cannot be clamped (clamping easily affects welding) in the prior art is solved, an elastic deformation pre-reverse-pushing assembly opposite to the gravity action of the automobile body is arranged in advance, and the assembly splicing type vacuum chuck and the curved surface shape memory alloy connecting piece which are arranged on the curved surface are matched in a spaced and connected mode, so that the technical effects of perfect matching and stable fixing clamping of the same automobile body transportation guide rail on various automobile bodies are achieved.
Further, the elastic deformation pre-reverse-pushing assembly comprises a fixed sleeve, a pre-reverse-pushing sliding sleeve and a pre-reverse-pushing spring, the fixed sleeve is fixedly connected to the vacuum adsorption fixed body, the pre-reverse-pushing sliding sleeve is slidably sleeved on the outer side of the fixed sleeve, the pre-reverse-pushing spring is arranged between the pre-reverse-pushing sliding sleeve and the upper wall of the vacuum adsorption fixed body, the assembled and spliced vacuum adsorption fixed block is arranged at the upper end of the pre-reverse-pushing sliding sleeve, the vacuum tube is arranged in the fixed sleeve and the pre-reverse-pushing sliding sleeve, and the vacuum tube is communicated between the lower end of the vacuum chuck and the vacuum adsorption fixed body; when the automobile body is lowered, the self gravity presses the pre-reverse-thrust sliding sleeve to slide downwards along the fixed sleeve, the pre-reverse-thrust spring has upward reverse thrust acting force on the pre-reverse-thrust sliding sleeve, so that the assembled spliced vacuum adsorption fixed block above each group of elastic deformation pre-reverse-thrust assemblies moves to be attached to the automobile body with the irregular hollowed-out bulges, the assembled spliced vacuum adsorption fixed block attached to the height of the automobile body with low dislocation drives the curved shape memory alloy connecting piece to deform and stretch, the distance between the two adjacent groups of assembled spliced vacuum adsorption fixed blocks is changed along with the concave-convex of the automobile body, the curved shape memory alloy assembled spliced vacuum adsorption fixed piece is convenient to deform to adapt to perfectly match and attach to the automobile body with the irregular hollowed-out bulges, the vacuum sucker is in close contact with the automobile body, and negative pressure is formed at the vacuum sucker through the vacuum pump to fasten and fix the automobile body, the clamping device solves the technical problem that the clamping device is difficult to solve in the prior art, not only clamps the automobile body, but also cannot clamp the automobile body (the clamping is easy to affect welding), and achieves the technical effects of perfect matching and stable fixing and clamping of the same automobile body transportation guide rail on various automobile bodies.
Preferably, the multi-joint all-directional welding mechanical arm comprises supporting side plates, adjusting screw rods, auxiliary slide rods, an adjusting motor, an adjusting fixing base, a steering motor, a steering support column, a steering support chuck, a steering turntable and a multi-joint mechanical arm, wherein the supporting side plates are symmetrically arranged on two sides of the fixing base, the adjusting screw rods are rotatably arranged between the supporting side plates, the auxiliary slide rods are arranged between the supporting side plates, the adjusting screw rods, the auxiliary slide rods and the vehicle body transportation guide rails are arranged in parallel, the adjusting fixing base is slidably arranged on the adjusting screw rods and the auxiliary slide rods, sliding screw holes and auxiliary sliding through holes are arranged on the adjusting fixing base, the adjusting screw rods are arranged in the sliding screw holes, the auxiliary slide rods are arranged in the auxiliary sliding through holes, the adjusting screw rods are in threaded connection with the sliding screw holes, the adjusting fixing base is slidably arranged on the adjusting screw rods and the auxiliary slide rods through the sliding screw holes, the adjusting motor is arranged on the side wall of the supporting side plate, an output shaft of the adjusting motor is coaxially and fixedly connected with the adjusting screw rod, the adjusting motor rotates to drive the adjusting screw rod to rotate, the adjusting screw rod rotates to drive the adjusting fixing base to slide along the adjusting screw rod, the auxiliary sliding rod and the auxiliary sliding through hole limit the adjusting fixing base and assist the adjusting fixing base to slide, the steering support column is arranged on the adjusting fixing base, the steering support chuck is arranged on the steering support column, the steering turntable is rotatably arranged in the steering support chuck, the multi-joint mechanical arm is arranged on the steering turntable, the steering motor is fixedly connected on the adjusting fixing base, the output shaft of the steering motor penetrates through the steering support chuck to be coaxially connected with the steering turntable, the steering motor rotates to drive the steering turntable to rotate, and the steering turntable drives the multi-joint mechanical arm to rotate to adjust the direction angle; the multi-joint mechanical arm comprises a first joint hinge seat, a first joint arm, a first joint driving motor, a second joint hinge seat, a second joint hinge motor, a second joint arm, a third joint hinge seat, a third joint hinge motor, a third joint arm and a welding direction-adjusting motor, wherein the first joint hinge seat is arranged on a steering turntable, the lower end of the first joint arm is hinged on the first joint hinge seat, the first joint driving motor is fixedly connected on the first joint hinge seat, the hinged part of the first joint arm and the first joint hinge seat is connected with an output shaft of the first joint driving motor, the first joint driving motor drives the first joint arm to rotate to adjust the angle of the first joint arm, the second joint hinge seat is arranged at the upper end of the first joint arm, the second joint hinge motor is arranged on the second joint hinge seat, one end of the second joint arm is hinged on the second joint hinge seat, the hinge joint of the second joint arm and the second joint hinge seat is connected with the output shaft of the second joint hinge motor, when the first joint arm is adjusted in place, the first joint arm keeps a relative static state, the second joint hinge motor rotates to drive the second joint arm to rotate to adjust the angle, the third joint hinge seat is arranged at one end of the second joint arm far away from the second joint hinge seat, the third joint hinge motor is arranged on the third joint hinge seat, the third joint arm is hinged on the third joint hinge seat, the output shaft of the third joint hinge motor penetrates through the third joint hinge seat to be connected with the hinge joint of the third joint arm and the third joint hinge seat, when the second joint arm is adjusted in place, the second joint arm keeps static, the third joint hinge motor rotates to drive the third joint arm to rotate to adjust the angle, the welding direction adjusting motor is arranged at one end of the third joint arm far away from the third joint hinge seat, the welding mechanism rotates to be located on the third joint arm, the welding is transferred to motor output shaft and is connected with welding mechanism, and the welding is transferred to motor rotation and is driven welding mechanism rotation and adjust the welding angle, makes things convenient for to carry out multi-angle all-round regulation to welding mechanism, realizes the all weld to automobile body, the one end that third joint arm kept away from the articulated seat of third joint is located to the fine setting dead lever, when the welding was transferred to motor drive welding mechanism rotation and is adjusted the welding angle, central fine setting mechanism and two-phase inhomogeneous formula gas-liquid mixture totally harmless gravity self-modulation block spraying mechanism fix on the third joint arm motionless to keep two-phase inhomogeneous formula gas-liquid mixture totally harmless gravity self-modulation block spraying mechanism to be located the welding mechanism top all the time.
Wherein, the lifting support mechanism comprises a lifting electric push rod and a transfer support plate, the lifting electric push rod is arranged above the fixed base, the lifting electric push rod is symmetrically arranged at two sides of the vehicle body transportation guide rail, the transfer support plate is arranged at the upper end of the lifting electric push rod, the lifting electric push rod and the transfer support plate are convenient for lifting the vehicle body from the transfer conveying plate so as to place the vehicle body on the elastic pre-reverse-push type curved memory alloy assembled vacuum adsorption clamping device, the welding mechanism comprises a welding rotating shaft, a welding fixed seat, a welding clamping motor, a transformer, a first electrode, a second electrode, an electrode cap, an incomplete driving welding gear, an incomplete driven welding gear, an incomplete driving linkage rod, a driven linkage rod, a driving welding clamp, a driven welding clamp, a driving push-pull rod and a driven push-pull rod, the welding rotating shaft is rotatably arranged at one end of the third joint arm far away from the third joint hinge seat, the output shaft of the welding direction-adjusting motor is connected with the welding rotating shaft, the welding direction-adjusting motor drives the welding rotating shaft to rotate so as to adjust the welding angle of the welding mechanism, the welding fixing seat is fixedly connected on the welding rotating shaft, the driving incomplete welding gear and the driven incomplete welding gear are respectively and rotatably arranged on the welding fixing seat, the driving incomplete welding gear and the driven incomplete welding gear are symmetrically arranged, the side walls of the driving incomplete welding gear and the driven incomplete welding gear are respectively provided with gear teeth, the driving incomplete welding gear is meshed with the driven incomplete welding gear, the driving push-pull rod is arranged on the driving incomplete welding gear, the driven push-pull rod is arranged on the driven incomplete welding gear, the driving welding tongs are hinged on the driving push-pull rod, the driven welding tongs are hinged on the driven push-pull rod, and two ends of the driving linkage rod are respectively hinged at the front end of the welding fixing seat and the middle part of the driving welding tongs, the two ends of the driven linkage rod are respectively hinged to the front end of the welding fixing seat and the middle part of the driven welding tongs, the driving linkage rod and the driven linkage rod are symmetrically arranged, the bottom wall of the welding fixing seat is provided with a driving fixing seat, the welding clamping motor and the transformer are arranged on the driving fixing seat, the output shaft of the welding clamping motor is coaxially connected with the incomplete driving welding gear, the first electrode and the second electrode are respectively arranged on the driving welding tongs and the driven welding tongs, the transformer is respectively and electrically connected with the first electrode and the second electrode, the electrode caps are respectively arranged on the first electrode and the second electrode, the welding clamping motor drives the incomplete driving welding gear to rotate, the incomplete driving welding gear drives the incomplete driven welding gear to rotate, the incomplete driving welding gear and the incomplete driven welding gear respectively drive the driving push-pull rod and the driven push-pull rod to rotate oppositely or move away from each other, the driving push-pull rod and the driven push-pull rod respectively drive the driving welding tongs and the driven welding tongs to rotate in opposite directions to be close to or move away from each other, the driving linkage rod pulls the driving welding tongs to rotate around the hinged position of the driving welding tongs and the driving push-pull rod, the driven linkage rod pulls the driven welding tongs to rotate around the hinged position of the driven welding tongs and the driven push-pull rod, therefore, the driving welding tongs and the driven welding tongs are close to the driving electrode I and the driving electrode II and clamp the automobile body workpiece, after the electrode cap of the electrode I is contacted with the electrode cap of the electrode II, the two electrode caps are welded together, and accordingly welding of an automobile body is achieved.
The shape reduction assembly comprises reduction support columns, an electric heating plate and a shape reduction cover, the reduction support columns are symmetrically arranged on two sides of the tail end of the vehicle body transportation guide rail, the shape reduction cover is arranged on the reduction support columns, the electric heating plate is arranged on the bottom wall of the shape reduction cover, when the transportation screw drives the curved surface memory alloy assembling and splicing type vacuum adsorption fixing part to move into the shape reduction cover, the electric heating plate is started, the electric heating plate heats the curved surface memory alloy assembling and splicing type vacuum adsorption fixing part, and the curved surface memory alloy connecting part is deformed by heating to recover the flatness of the curved surface memory alloy assembling and splicing type vacuum adsorption fixing part, so that the next time of vacuum adsorption fixing is performed on other types of vehicle bodies; the atomization spraying type carbon dioxide catching device comprises an atomization spraying fixing body, a catching spray head, a catching atomization spray head, an exhaust pipe, a spray pump and a spraying liquid suction pipe, wherein the atomization spraying fixing body is arranged on one side of a fixing base and is a hollow cavity, the atomization spraying fixing body comprises a water storage recovery cavity and a spray cavity, the spray cavity is arranged above the water storage recovery cavity, alkali liquor is arranged in the water storage recovery cavity, one end of a catching air supply pipe, far away from the catching air pump, is communicated with the side wall of one side of the water storage recovery cavity, the catching spray head and the catching atomization spray head are arranged on the upper wall in the water storage recovery cavity at equal intervals and are respectively communicated with the spray cavity, the catching atomization spray head is arranged on one side, close to the catching air supply pipe, of the water storage recovery cavity at equal intervals and is arranged on one side, far away from the catching air supply pipe, of the water storage recovery cavity at equal intervals and is arranged on one side, the spraying pump is arranged on the outer side wall of the atomization spraying fixing body, one end of the spraying liquid pumping pipe is communicated with the input end of the spraying pump, the other end of the spraying liquid pumping pipe penetrates through the side wall of the water storage recovery cavity and is arranged in the water storage recovery cavity, the output end of the spraying pump is communicated with the spraying cavity, the exhaust pipe is communicated with the side wall of the water storage recovery cavity far away from the catching gas supply pipe, the spraying pump sends alkali liquor in the water storage recovery cavity into the spraying cavity through the spraying liquid pumping pipe and is respectively sprayed out through the catching atomization nozzle and the catching nozzle, the catching atomization nozzle sprays the alkali liquor in a fog form into the water storage atomization cavity to form an atomization catching area, the catching nozzle sprays the alkali liquor in a water droplet form into the water storage recovery cavity to form a water droplet catching area, and carbon dioxide-containing gas collected by the catching gas supply pipe sequentially passes through the atomization catching area and the water droplet catching area and fully reacts with the alkali liquor in the water storage recovery cavity, the alkali liquor absorbs the carbon dioxide in the gas, and the residual gas is discharged through the exhaust pipe.
In order to avoid scalding the vacuum chuck at high temperature, the surface of the vacuum chuck is covered with a flame-retardant rubber layer; the cross section of the vehicle body transportation guide rail is arranged in an L shape; transport conveying board and screw slider diapire and be equipped with the leading wheel respectively, the leading wheel is to transporting conveying board and screw slider and play support and supplementary slip effect, the blast pipe is L shape setting, be equipped with dry filter screen in the blast pipe, be equipped with the drier package in the blast pipe, on the drier package is located dry filter screen, the drier in the drier package absorbs the drying to the steam in the exhaust gas, water storage recovery chamber lateral wall communicates respectively and is equipped with fluid-discharge tube and feed liquor pipe, be equipped with flowing-back valve and feed liquor valve on fluid-discharge tube and the feed liquor pipe respectively, the waste lye of intracavity is retrieved to the water storage of being convenient for to discharge by the fluid-discharge tube, and the feed liquor pipe is convenient for add new lye to the water storage recovery intracavity.
The invention with the structure has the following beneficial effects: the scheme has reasonable design of two-phase non-uniform pre-reaction curved fully-lossless automobile body welding equipment, creatively combines a local quality principle, a physical parameter change principle and a phase change principle to be introduced into the technical field of automobile body welding aiming at the problem that the existing welding device is easy to generate sparks and has high danger, converts uniform carbon dioxide into gas-liquid two-phase carbon dioxide which is unevenly sprayed and protects, cools and inhibits and isolates sparks generated by welding through the gas-liquid two-phase carbon dioxide, combines the traditional gas-phase carbon dioxide and liquid-phase carbon dioxide, reduces and inhibits the sparks generated during welding according to the characteristic that the liquid-phase carbon dioxide absorbs a large amount of heat during suffocation and phase change, blocks the influence on a welding part during the gasification of the outer-layer liquid-phase carbon dioxide through the preset inner-layer high-temperature gas-phase carbon dioxide, and ensures the welding temperature, the technical bias that the welding temperature which is difficult to solve in the prior art is high, the quality of a welding part is ensured, simultaneously, the contradiction technical problems that the welding generated sparks splash and scald a human body and the vehicle body, the vehicle body is welded and fixed, simultaneously, the splashed sparks are not welded on the vehicle body or splashed on the human body are solved, the full-damage-free welding processing of workers and the vehicle body is really realized, the atomization spraying type carbon dioxide catching device is arranged, the carbon dioxide is caught, the curved surface shape memory alloy connecting piece arranged on the curved surface and the vacuum adsorption technology are introduced into the technical field of the welding and fixing clamping of the vehicle body aiming at the vehicle body arranged on the irregular hollow protrusion and the same vehicle body transportation guide rail, the technical bias that the vehicle body arranged on the curved surface and the vacuum adsorption technology are difficult to fix is realized by combining the pre-counteraction principle, the curved surface principle and the dynamic characteristic principle, the clamping device solves the technical problem that the clamping device is difficult to solve in the prior art and can not clamp the automobile body (the clamping is easy to affect welding), an elastic deformation pre-reverse-pushing assembly opposite to the gravity action of the automobile body is arranged in advance, and an assembled splicing type vacuum chuck and a curved shape memory alloy connecting piece are arranged in a curved manner in a matched and connected mode at intervals, so that the technical effects of perfect matching and stable and fixed clamping of the same automobile body transportation guide rail on various automobile bodies are achieved.
Drawings
FIG. 1 is a schematic structural view of a two-phase non-uniform pre-reaction curved fully-lossless automotive body welding apparatus according to the present invention;
FIG. 2 is a cross-sectional view of the two-phase non-uniform pre-reaction curved fully lossless automotive body welding apparatus of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is a front view of a multi-joint all-round welding robot and a two-phase non-uniform gas-liquid mixing fully-lossless gravity self-modulation type block welding device of the two-phase non-uniform pre-reaction curved fully-lossless automobile body welding equipment of the present invention;
FIG. 6 is a side view of a multi-joint all-round welding robot and a two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type block welding device of the two-phase non-uniform pre-reaction curved fully lossless automobile body welding equipment of the present invention;
FIG. 7 is a schematic structural view of a multi-joint omni-directional welding robot arm and a welding mechanism of the two-phase non-uniform pre-reaction curved fully-lossless automobile body welding apparatus according to the present invention;
FIG. 8 is a partial enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic structural view of a center trimming mechanism of the two-phase non-uniform pre-reaction curved fully lossless automobile body welding apparatus of the present invention;
FIG. 10 is a perspective view of a two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation blocking spray mechanism of the two-phase non-uniform pre-reaction curved fully lossless automotive body welding apparatus of the present invention;
FIG. 11 is a bottom view of the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type block spray mechanism of the two-phase non-uniform pre-reaction curved fully lossless automotive body welding apparatus of the present invention;
FIG. 12 is a schematic structural view of an assembled vacuum suction clamping device of an elastic pre-reverse type curved memory alloy for a two-phase non-uniform pre-reaction curved fully lossless automobile body welding device according to the present invention;
FIG. 13 is a perspective view of the assembled vacuum suction clamping device of the elastic pre-reaction type curved surface memory alloy of the two-phase non-uniform pre-reaction curved surface fully lossless car body welding equipment of the present invention;
FIG. 14 is a perspective view of an atomized spray carbon dioxide capture device of the two-phase non-uniform pre-reaction curved fully lossless automotive body welding apparatus of the present invention;
FIG. 15 is a schematic structural view of a shape reducing assembly of the two-phase non-uniform pre-reaction curved fully lossless automotive body welding apparatus of the present invention.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings: 1. the device comprises a fixed base, 2, a vehicle body transportation guide rail, 3, an elastic pre-reverse-pushing type curved memory alloy assembled vacuum adsorption clamping device, 4, a transportation conveying plate, 5, a middle transportation lifting supporting mechanism, 6, an atomization spraying type carbon dioxide capturing device, 7, a multi-joint all-directional welding mechanical arm, 8, a two-phase uneven gas-liquid mixing all-damage gravity self-regulation type blocking welding device, 9, a shape reduction assembly, 10, a capturing air pump, 11, a capturing air suction cover, 12, a capturing air suction elastic flexible pipe, 13, a capturing air supply pipe, 14, a supporting column, 15, a supporting side plate, 16, an adjusting screw rod, 17, an auxiliary sliding rod, 18, an adjusting motor, 19, an adjusting fixed base, 20, a steering motor, 21, a steering supporting column, 22, a steering supporting chuck, 23, a steering turntable, 24, a multi-joint mechanical arm, 25, a sliding screw hole, 26, a sliding screw rod, a rotating shaft, auxiliary sliding through holes 27, a first joint hinge seat 28, a first joint arm 29, a first joint driving motor 30, a second joint hinge seat 31, a second joint hinge motor 32, a second joint arm 33, a third joint hinge seat 34, a third joint hinge motor 35, a third joint arm 36, a welding direction adjusting motor 37, a welding mechanism 38, a center fine adjustment mechanism 39, a two-phase carbon dioxide storage tank 40, a two-phase non-uniform gas-liquid mixing all-lossless gravity self-adjusting type blocking and spraying mechanism 41, a two-phase carbon dioxide conveying assembly 42, a fine adjustment fixing rod 43, a fine adjustment driving fixing body 44, a fine adjustment motor 45, a fine adjustment gear 46, a fine adjustment sliding rod 47, a limiting plate 48, a fine adjustment rack 49, a fine adjustment sliding through hole 50, a gas-phase carbon dioxide storage cavity 51, a liquid-phase carbon dioxide storage cavity 52, a liquid-phase carbon dioxide storage cavity, A feeding pipe, 53, a control valve, 54, a gas-phase carbon dioxide delivery pump, 55, a liquid-phase carbon dioxide delivery pump, 56, a gas-phase exhaust pipe, 57, a gas-phase air-feeding elastic telescopic hose, 58, a liquid-phase heat-preserving exhaust pipe, 59, a liquid-phase heat-preserving elastic telescopic delivery pipe, 60, a gravity self-adjusting type spraying fixing body, 61, a hinged seat, 62, a preheating electric heating wire, 63, an elastic rubber partition layer, 64, an inner-nonuniform local gas-phase sprayer, 65, an outer-nonuniform local liquid-phase sprayer, 66, a center avoiding cavity, 67, a gas-phase spraying cavity, 68, a liquid-phase spraying cavity, 69, a heat-preserving layer, 70, a welding rotating shaft, 71, a welding fixing seat, 72, a welding clamping motor, 73, a transformer, 74, a first electrode, 75, a second electrode, 76, an electrode cap, 77, a driving incomplete welding gear, 78, a driven incomplete welding gear, 79 and a driving push-pull rod, 80. driven push-pull rod 81, driving welding tongs 82, driven welding tongs 83, driving linkage rod 84, driven linkage rod 85, driving fixing seat 86, transportation screw 87, transportation bidirectional motor 88, threaded slider 89, guide wheel 90, vacuum adsorption fixing body 91, elastic deformation pre-backward pushing assembly 92, curved surface memory alloy assembly splicing type vacuum adsorption fixing part 93, vacuum chuck 94, vacuum pump 95, vacuum tube 96, assembly splicing type vacuum adsorption fixing block 97, curved surface shape memory alloy connecting part 98, fixing sleeve 99, pre-backward pushing sliding sleeve 100, pre-backward pushing spring 101, reduction support column 102, electric heating plate 103, shape reduction cover 104, lifting electric push rod 105, transfer support plate 106, atomization spray fixing body 107, capture spray head 108, capture atomization spray head 106, 109. the drying device comprises an exhaust pipe, 110, a spray pump, 111, a spray liquid pumping pipe, 112, a water storage recovery cavity, 113, a spray cavity, 114, a drying filter screen, 115, a drying agent bag, 116, a liquid discharge pipe, 117, a liquid inlet pipe, 118, a liquid discharge valve, 119 and a liquid inlet valve.
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.
As shown in fig. 1, 2 and 4, the two-phase uneven pre-reaction curved surface fully-lossless automobile body welding equipment of the invention comprises a fixed base 1, an automobile body transportation guide rail 2, an elastic pre-reaction curved surface memory alloy assembled vacuum adsorption clamping device 3, a transfer conveying plate 4, a transfer lifting supporting mechanism 5, an atomization spraying type carbon dioxide capturing device 6, a multi-joint all-directional welding mechanical arm 7, a two-phase uneven gas-liquid mixing fully-lossless gravity self-regulation type blocking welding device 8, a shape reduction component 9, a capturing air pump 10, a capturing air suction cover 11, a capturing air exhaust elastic telescopic hose 12 and a capturing air supply pipe 13, wherein supporting columns 14 are uniformly arranged at equal intervals on the lower wall of the automobile body transportation guide rail 2, the supporting columns 14 are used for fixedly supporting the automobile body transportation guide rail 2, the fixed base 1 is arranged below the middle part of the automobile body transportation guide rail 2, the atomization spraying type carbon dioxide catching device 6 is symmetrically arranged at two sides of the fixed base 1, the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3 and the transfer conveying plate 4 are arranged on the vehicle body transportation guide rail 2, the vehicle body transportation guide rail 2 is arranged at two sides of the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3, the multi-joint all-directional welding mechanical arm 7 is arranged on the fixed base 1, the multi-joint all-directional welding mechanical arm 7 is symmetrically arranged at two sides of the vehicle body transportation guide rail 2 and the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3, the transfer lifting supporting mechanism 5 is arranged between the vehicle body transportation guide rail 2 and the multi-joint all-directional welding mechanical arm 7, the transfer lifting supporting mechanism 5 is symmetrically arranged at two sides of the vehicle body transportation guide rail 2 and the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3, the two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking welding device 8 is arranged on the multi-joint all-directional welding mechanical arm 7, the shape reduction component 9 is arranged at the tail end of the vehicle body transportation guide rail 2, and the shape reduction component 9 is used for reducing the elastic pre-reverse-thrust curved surface memory alloy assembled vacuum adsorption clamping device 3, so that the device is convenient to recycle; the air pump 10 of catching is located on unable adjustment base 1 lateral wall, the cover 11 that induced drafts of catching is located on the all-round welding arm 7 of multiple joint, the elastic flexible hose 12 intercommunication of the elastic flexible hose 12 of catching of bleeding is located and is caught between the cover 11 of induced drafting, the gas supply pipe 13 intercommunication of catching is located and is caught between air pump 10 output and the atomizing fountain carbon dioxide trapping device 6, the air pump 10 of catching bleeds through the elastic flexible hose 12 of catching and the cover 11 of catching of induced drafts and bleeds with the gaseous collection of welding position mixing carbon dioxide and send into atomizing fountain carbon dioxide trapping device 6 through catching gas supply pipe 13 and handle, the realization is to the seizure of carbon dioxide.
As shown in fig. 1, 5, 6 and 7, the multi-joint all-directional welding mechanical arm 7 comprises supporting side plates 15, adjusting screw rods 16, auxiliary sliding rods 17, an adjusting motor 18, an adjusting fixing base 19, a steering motor 20, a steering support column 21, a steering support chuck 22, a steering turntable 23 and a multi-joint mechanical arm 24, wherein the supporting side plates 15 are symmetrically arranged at two sides of the fixing base 1, the adjusting screw rods 16 are rotatably arranged between the supporting side plates 15, the auxiliary sliding rods 17 are arranged between the supporting side plates 15, the adjusting screw rods 16, the auxiliary sliding rods 17 are arranged in parallel with the vehicle body transportation guide rail 2, the adjusting fixing base 19 is slidably arranged on the adjusting screw rods 16 and the auxiliary sliding rods 17, the adjusting fixing base 19 is provided with sliding screw holes 25 and auxiliary sliding through holes 26, the adjusting screw rods 16 are arranged in the sliding screw holes 25, the auxiliary sliding rods 17 are arranged in the auxiliary sliding through holes 26, and the adjusting screw rods 16 are in threaded connection with the sliding screw holes 25, an adjusting fixing base 19 is arranged on an adjusting screw rod 16 and an auxiliary sliding rod 17 in a sliding mode through a sliding screw hole 25 and an auxiliary sliding through hole 26, an adjusting motor 18 is arranged on the side wall of a supporting side plate 15, an output shaft of the adjusting motor 18 is coaxially and fixedly connected with the adjusting screw rod 16, the adjusting motor 18 drives the adjusting fixing base 19 to slide along the adjusting screw rod 16, the auxiliary sliding rod 17 and the auxiliary sliding through hole 26 limit the adjusting fixing base 19 and assist the adjusting fixing base 19 to slide, a steering supporting column 21 is arranged on the adjusting fixing base 19, a steering supporting chuck 22 is arranged on the steering supporting column 21, the steering turntable 23 is rotatably arranged in the steering supporting chuck 22, a multi-joint mechanical arm 24 is arranged on the steering turntable 23, the steering motor 20 is fixedly connected on the adjusting fixing base 19, the output shaft of the steering motor 20 penetrates through the steering supporting chuck 22 to be coaxially connected with the steering turntable 23, and the steering motor 20 rotates to drive the steering turntable 23 to rotate so as to drive the multi-joint mechanical arm 24 to rotate to adjust the direction angle; the multi-joint mechanical arm 24 comprises a first joint hinge seat 27, a first joint arm 28, a first joint driving motor 29, a second joint hinge seat 30, a second joint hinge motor 31, a second joint arm 32, a third joint hinge seat 33, a third joint hinge motor 34, a third joint arm 35 and a welding direction adjusting motor 36, wherein the first joint hinge seat 27 is arranged on the steering turntable 23, the lower end of the first joint arm 28 is hinged on the first joint hinge seat 27, the first joint driving motor 29 is fixedly connected on the first joint hinge seat 27, the hinged part of the first joint arm 28 and the first joint hinge seat 27 is connected with an output shaft of the first joint driving motor 29, the first joint driving motor 29 drives the first joint arm 28 to rotate to adjust the angle of the first joint arm 28, the second joint hinge seat 30 is arranged at the upper end of the first joint arm 28, one end of the second joint arm 32 is hinged on the second joint hinge seat 30, the second joint hinge motor 31 is arranged on the second joint hinge seat 30, the hinge joint of the second joint arm 32 and the second joint hinge seat 30 is connected with the output shaft of the second joint hinge motor 31, when the first joint arm 28 is adjusted to a proper position and keeps a relative static state, the second joint hinge motor 31 rotates to drive the second joint hinge seat 30 to rotate so as to drive the second joint arm 32 to rotate to adjust the angle, the third joint hinge seat 33 is arranged at one end of the second joint arm 32 away from the second joint hinge seat 30, the third joint hinge motor 34 is arranged on the third joint hinge seat 33, the third joint arm 35 is hinged on the third joint hinge seat 33, the output shaft of the third joint hinge motor 34 penetrates through the third joint hinge seat 33 to be connected with the hinge joint of the third joint arm 35 and the third joint hinge seat 33, when the second joint arm 32 is adjusted to a proper position, the second joint arm 32 keeps static, when the third joint hinge motor 34 rotates, the third joint arm 35 is driven to rotate to adjust the angle, and the welding direction adjusting motor 36 is arranged at one end of the third joint arm 35, which is far away from the third joint hinge seat 33.
As shown in the figures 1, 5 and 6, the two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and welding device 8 comprises a welding mechanism 37, a central fine adjustment mechanism 38, a two-phase carbon dioxide storage tank 39, a two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and spraying mechanism 40 and a two-phase carbon dioxide conveying component 41, wherein the welding mechanism 37 is rotatably arranged on a third joint arm 35, an output shaft of a welding direction adjustment motor 36 is connected with the welding mechanism 37, the welding direction adjustment motor 36 rotates to drive the welding mechanism 37 to rotate to adjust a welding angle, multi-angle omnibearing adjustment is conveniently carried out on the welding mechanism 37 to realize full welding of an automobile body, the central fine adjustment mechanism 38 is arranged on the third joint arm 35, the two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and spraying mechanism 40 is arranged on the central fine adjustment mechanism 38, and the central fine adjustment mechanism 38 drives the two-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and spraying mechanism 40 to adjust a spraying center so as to adjust a spraying center The spraying center is aligned to the welding position, the two-phase carbon dioxide storage tank 39 is arranged on the adjusting and fixing base 19, the two-phase carbon dioxide conveying assembly 41 is arranged between the two-phase carbon dioxide storage tank 39 and the two-phase non-uniform gas-liquid mixing full-lossless gravity self-adjusting type blocking spraying mechanism 40, and the two-phase carbon dioxide conveying assembly 41 respectively conveys the two-phase carbon dioxide stored in the two-phase carbon dioxide storage tank 39 into the two-phase non-uniform gas-liquid mixing full-lossless gravity self-adjusting type blocking spraying mechanism 40; the central fine adjustment mechanism 38 comprises a fine adjustment fixing rod 42, a fine adjustment driving fixing body 43, a fine adjustment motor 44, a fine adjustment gear 45, a fine adjustment slide rod 46, a limiting plate 47 and a fine adjustment rack 48, wherein the fine adjustment fixing rod 42 is arranged at one end of the third joint arm 35 far away from the third joint hinge seat 33, when the welding direction adjustment motor 36 drives the welding mechanism 37 to rotate to adjust the welding angle, the central fine adjustment mechanism 38 and the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type blocking spraying mechanism 40 are fixed on the third joint arm 35 to be immobile, so that the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type blocking spraying mechanism 40 is always positioned above the welding mechanism 37, the fine adjustment driving fixing body 43 is arranged on the fine adjustment fixing rod 42, the fine adjustment driving fixing body 43 is arranged in a hollow cavity, the fine adjustment sliding through holes 49 penetrating through the opposite side walls of the fine adjustment driving fixing body 43 are arranged on the fine adjustment driving fixing body 43, a fine adjustment slide bar 46 is arranged in a fine adjustment slide through hole 49 in a sliding way, the fine adjustment slide bar 46 penetrates through a fine adjustment drive fixing body 43 through the fine adjustment slide through hole 49 in a sliding way, a fine adjustment gear 45 is arranged in the fine adjustment drive fixing body 43 in a rotating way, a fine adjustment rack 48 is arranged on the side wall of the fine adjustment slide bar 46 close to the fine adjustment gear 45, the fine adjustment gear 45 is meshed with the fine adjustment rack 48, a fine adjustment motor 44 is arranged on the side wall of the fine adjustment drive fixing body 43, an output shaft of the fine adjustment motor 44 penetrates through the side wall of the fine adjustment drive fixing body 43 and is coaxially connected with the fine adjustment gear 45, the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation blocking spraying mechanism 40 is arranged at one end of the fine adjustment slide bar 46, the fine adjustment gear 44 drives the fine adjustment slide bar 46 to slide along the fine adjustment slide through hole 49 through the fine adjustment rack 48 to adjust the position of the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation blocking spraying mechanism 40, the limiting plate 47 is arranged at one end, away from the two-phase uneven gas-liquid mixing fully lossless gravity self-modulation blocking and spraying mechanism 40, of the fine adjustment slide rod 46, the limiting plate 47 and the two-phase uneven gas-liquid mixing fully lossless gravity self-modulation blocking and spraying mechanism 40 are respectively arranged at two sides of the fine adjustment driving fixing body 43, the limiting plate 47 limits sliding of the fine adjustment slide rod 46, and the fine adjustment slide rod 46 is prevented from sliding to be excessively separated from the fine adjustment driving fixing body 43.
As shown in fig. 5 and 6, the two-phase carbon dioxide storage tank 39 includes a gas-phase carbon dioxide storage chamber 50 and a liquid-phase carbon dioxide storage chamber 51, the gas-phase carbon dioxide storage chamber 50 stores gas-phase carbon dioxide, the liquid-phase carbon dioxide storage chamber 51 stores liquid carbon dioxide, the liquid-phase carbon dioxide storage chamber 51 adopts a liquid carbon dioxide storage tank, the liquid-phase carbon dioxide storage chamber 51 and the gas-phase carbon dioxide storage chamber 50 are respectively communicated with a feed pipe 52, the feed pipe 52 is respectively provided with a control valve 53, the control valve 53 controls the feed pipe 52 to be opened and closed, the feed pipe 52 and the control valve 53 facilitate the storage of gas-phase carbon dioxide and liquid-phase carbon dioxide in the gas-phase carbon dioxide storage chamber 50 and the liquid-phase carbon dioxide storage chamber 51, the two-phase carbon dioxide delivery assembly 41 includes a gas-phase carbon dioxide delivery pump 54, a liquid-phase carbon dioxide delivery pump 55, a gas-phase suction pipe 56, a liquid-phase suction pipe 56, A gas-phase gas-feeding elastic flexible hose 57, a liquid-phase heat-preserving liquid-pumping pipe 58 and a liquid-phase heat-preserving elastic flexible conveying pipe 59, wherein the gas-phase carbon dioxide conveying pump 54 and the liquid-phase carbon dioxide conveying pump 55 are respectively arranged on the side wall of the two-phase carbon dioxide storage tank 39, the gas-phase gas-pumping pipe 56 is communicated between the input end of the gas-phase carbon dioxide conveying pump 54 and the gas-phase carbon dioxide storage cavity 50, the gas-phase gas-feeding elastic flexible hose 57 is communicated between the output end of the gas-phase carbon dioxide conveying pump 54 and the two-phase non-uniform gas-liquid mixing fully lossless gravity self-regulation type block spraying mechanism 40, the liquid-phase heat-preserving liquid-pumping pipe 58 is communicated between the input end of the liquid-phase carbon dioxide conveying pump 55 and the liquid-phase carbon dioxide storage cavity 51, the liquid-phase heat-preserving elastic flexible conveying pipe 59 is communicated between the output end of the liquid-phase carbon dioxide conveying pump 55 and the two-phase non-uniform gas-liquid mixing fully lossless gravity self-regulation type block spraying mechanism 40, the liquid-phase carbon dioxide delivery pump 55 pumps liquid carbon dioxide from the liquid-phase carbon dioxide storage cavity 51 through the liquid-phase heat-preservation liquid-pumping pipe 58 and delivers the liquid carbon dioxide into the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation blocking spraying mechanism 40 through the liquid-phase heat-preservation elastic telescopic delivery pipe 59, and the gas-phase carbon dioxide delivery pump 54 pumps gas carbon dioxide from the gas-phase carbon dioxide storage cavity 50 through the gas-phase gas pumping pipe 56 and delivers the gas carbon dioxide into the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation blocking spraying mechanism 40 through the gas-phase gas delivery elastic telescopic hose 57.
As shown in fig. 9, 10 and 11, the two-phase non-uniform gas-liquid mixing fully lossless gravity self-adjusting blocking spraying mechanism 40 comprises a gravity self-adjusting spraying fixing body 60, a hinged seat 61, a preheating heating wire 62, an elastic rubber partition layer 63, an inner non-uniform local gas-phase spray head 64 and an outer non-uniform local liquid-phase atomizing spray head 65, the hinged seat 61 is hinged to one end of a fine adjustment slide rod 46, the gravity self-adjusting spraying fixing body 60 is arranged on the bottom wall of the hinged seat 61, the gravity self-adjusting spraying fixing body 60 is always kept in a vertical downward state under the action of gravity through the hinged seat 61 so as to be convenient for aligning to a welding part, the gravity self-adjusting spraying fixing body 60 sequentially comprises a central avoiding cavity 66, a gas-phase spraying cavity 67 and a liquid-phase spraying cavity 68 from inside to outside, the elastic rubber partition layer 63 is arranged between the central avoiding cavity 66 and the gas-phase spraying cavity 67, the central avoiding cavity 66 and the gas-phase spraying cavity 67 are separated by the elastic rubber partition layer 63, the side wall of the liquid phase spraying cavity 68 is wrapped with the heat preservation layer 69, the heat preservation layer 69 is used for preserving the heat of the liquid carbon dioxide in the liquid phase spraying cavity 68, the heat transfer of the liquid carbon dioxide in the liquid phase spraying cavity 68 by the heating temperature in the gas phase spraying cavity 67 is avoided, the use safety is ensured, the preheating heating wire 62 is arranged on the side wall of the gas phase spraying cavity 67 far away from the elastic rubber partition layer 63, the preheating heating wire 62 is used for heating the gas carbon dioxide in the gas phase spraying cavity 67, the internal uneven local gas phase spray nozzles 64 are uniformly arranged at the bottom wall of the gas phase spraying cavity 67 at equal intervals, the internal uneven local gas phase spray nozzles 64 are communicated with the gas phase spraying cavity 67, the hot gas carbon dioxide heated by the preheating heating wire 62 in the gas phase spraying cavity 67 is sprayed out through the internal uneven local gas phase spray nozzles 64 to form a hot gas carbon dioxide partition layer, and the hot gas carbon dioxide partition layer can effectively ensure the welding temperature of the welding position of the automobile body, guarantee welding quality, the spark that the while welding produced is when meetting hot gas carbon dioxide partition layer, some small sparks are extinguished under the asphyxia effect on hot gas carbon dioxide partition layer, some big sparks then pass hot gas carbon dioxide partition layer, outer inhomogeneous formula local liquid phase atomizer 65 equidistant align to arrange locates liquid phase and sprays chamber 68 diapire, outer inhomogeneous formula local liquid phase atomizer 65 sprays chamber 68 intercommunication setting with the liquid phase, inhomogeneous formula local liquid phase atomizer 65 locates in the inhomogeneous formula local gas phase atomizer 64 outside, thereby outer inhomogeneous formula local liquid phase atomizer 65 sprays the liquid carbon dioxide in the chamber 68 with the form blowout of spraying with the liquid carbon dioxide of liquid phase and forms the liquid phase carbon dioxide partition layer of atomizing outside hot gas carbon dioxide partition layer, liquid carbon dioxide blowout back gasification, absorb a large amount of heat, thereby the liquid phase carbon dioxide partition layer of atomizing absorbs under the effect of a large amount of heat when asphyxia effect and liquid carbon dioxide phase transition The residual big sparks are inhibited by suffocation and cooling, the outer layer liquid carbon dioxide absorbs heat and then cools to form dry ice particles, on one hand, a hot gas carbon dioxide isolating layer isolates the influence of the gasification heat absorption and cooling of an atomized liquid carbon dioxide isolating layer on the temperature of an internal welding part, on the other hand, the hot gas carbon dioxide isolating layer provides heat for the gasification of the atomized liquid carbon dioxide isolating layer, so that the heat absorbed by the atomized liquid carbon dioxide is convenient to supplement, the dry ice particles absorb a large amount of heat by gasification, the temperature of the surrounding air is reduced, the water vapor in the air is subjected to liquefaction reaction and releases heat to form small liquid drops so as to form mist, so that the mist layer is formed outside the atomized liquid carbon dioxide isolating layer, the atomized liquid carbon dioxide isolating layer is in a gas-liquid-solid three-phase mixed state, and the residual big sparks are inhibited by cooling and suffocation completely, therefore, the full suppression of welding sparks is realized, and the full damage to the automobile body and workers is realized.
As shown in fig. 8, the welding mechanism 37 includes a welding rotating shaft 70, a welding fixing seat 71, a welding clamping motor 72, a transformer 73, a first electrode 74, a second electrode 75, an electrode cap 76, a driving incomplete welding gear 77, a driven incomplete welding gear 78, a driving linkage rod 83, a driven linkage rod 84, a driving electrode holder 81, a driven electrode holder 82, a driving push-pull rod 79 and a driven push-pull rod 80, the welding rotating shaft 70 is rotatably disposed at one end of the third joint arm 35 away from the third joint hinge seat 33, an output shaft of the welding direction adjusting motor 36 is connected to the welding rotating shaft 70, the welding direction adjusting motor 36 drives the welding rotating shaft 70 to rotate so as to adjust the welding angle of the welding mechanism 37, the welding fixing seat 71 is fixedly connected to the welding rotating shaft 70, the driving incomplete welding gear 77 and the driven incomplete welding gear 78 are respectively rotatably disposed on the welding fixing seat 71, the driving incomplete welding gear 77 and the driven incomplete welding gear 78 are symmetrically disposed, the side walls of the driving incomplete welding gear 77 and the driven incomplete welding gear 78 are respectively provided with gear teeth, the driving incomplete welding gear 77 is meshed with the driven incomplete welding gear 78, a driving push-pull rod 79 is arranged on the driving incomplete welding gear 77, a driven push-pull rod 80 is arranged on the driven incomplete welding gear 78, a driving welding tongs 81 is hinged on the driving push-pull rod 79, a driven welding tongs 82 is hinged on the driven push-pull rod 80, two ends of a driving linkage rod 83 are respectively hinged at the front end of the welding fixing seat 71 and the middle part of the driving welding tongs 81, two ends of a driven linkage rod 84 are respectively hinged at the front end of the welding fixing seat 71 and the middle part of the driven welding tongs 82, the driving linkage rod 83 and the driven linkage rod 84 are symmetrically arranged, the bottom wall of the welding fixing seat 71 is provided with a driving fixing seat 85, the welding clamping motor 72 and the transformer 73 are arranged on the driving fixing seat 85, and the output shaft of the welding clamping motor 72 is coaxially connected with the driving incomplete welding gear 77, the first electrode 74 and the second electrode 75 are respectively arranged on a driving welding tongs 81 and a driven welding tongs 82, the transformer 73 is respectively electrically connected with the first electrode 74 and the second electrode 75, the electrode cap 76 is respectively arranged on the first electrode 74 and the second electrode 75, the welding clamping motor 72 drives the driving incomplete welding gear 77 to rotate, the driving incomplete welding gear 77 drives the driven incomplete welding gear 78 to rotate, the driving incomplete welding gear 77 and the driven incomplete welding gear 78 respectively drive the driving push-pull rod 79 and the driven push-pull rod 80 to rotate towards or away from each other, the driving push-pull rod 79 and the driven push-pull rod 80 respectively drive the driving welding tongs 81 and the driven welding tongs 82 to rotate towards or away from each other, the driving linkage rod 83 pulls the driving welding tongs 81 to rotate around the hinged part of the driving push-pull rod 81 and the driving push-pull rod 79, the driven linkage rod 84 pulls the driven welding tongs 82 to rotate around the hinged part of the driven push-pull rod 80 and the driven welding tongs 82, therefore, the driving electrode holder 81 and the driven electrode holder 82 are close to or far away from each other, the driving electrode holder 81 and the driven electrode holder 82 are close to drive the first electrode 74 and the second electrode 75 to be close to each other and clamp a workpiece of the automobile body, and after the electrode cap 76 of the first electrode 74 is contacted with the electrode cap 76 of the second electrode 75, the two electrode caps 76 are welded together, so that the automobile body is welded.
As shown in fig. 2, 4, 12 and 13, the cross section of the vehicle body transportation guide rail 2 is arranged in an L shape, a transportation screw 86 is rotatably arranged in the vehicle body transportation guide rail 2, a transportation bidirectional motor 87 is arranged on the side wall of the vehicle body transportation guide rail 2, the transportation bidirectional motor 87 is coaxially connected with the transportation screw 86, threaded sliders 88 are symmetrically arranged on two sides of the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3, the threaded sliders 88 are slidably arranged on the transportation screw 86, the threaded sliders 88 are in threaded connection with the transportation screw 86, the transportation transmission plate 4 is arranged on the transportation screw 86, the transportation transmission plate 4 is in threaded connection with the transportation screw 86, the transportation bidirectional motor 87 drives the threaded sliders 88 and the transportation plate 4 to slide along the transportation screw 86, the rotation direction of the transportation bidirectional motor 87 is controlled to control the sliding directions of the threaded sliders 88 and the transportation plate 4 so as to drive the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3 to move, the transfer conveying plate 4 and the elastic pre-reverse-pushing type curved-surface memory alloy assembled vacuum adsorption clamping device 3 move synchronously, and are convenient for driving an automobile body, guide wheels 89 are respectively arranged on the bottom walls of the transfer conveying plate 4 and the threaded slide block 88, the guide wheels 89 play a supporting and auxiliary sliding role for the transfer conveying plate 4 and the threaded slide block 88, the elastic pre-reverse-pushing type curved-surface memory alloy assembled vacuum adsorption clamping device 3 comprises a vacuum adsorption fixing body 90, an elastic deformation pre-reverse-pushing assembly 91, a curved-surface memory alloy assembled spliced vacuum adsorption fixing body 92, a vacuum suction disc 93, a vacuum pump 94 and a vacuum tube 95, the vacuum adsorption fixing body 90 is fixedly connected and arranged between the threaded slide block 88, the vacuum adsorption fixing body 90 is arranged in a hollow cavity mode, the elastic deformation pre-reverse-pushing assembly 91 is uniformly arranged on the upper wall of the vacuum adsorption fixing body 90 at equal intervals, the curved-surface memory alloy assembled spliced vacuum adsorption fixing body 92 is arranged on the elastic deformation pre-reverse-pushing assembly 91 The curved-surface memory alloy assembled and spliced vacuum adsorption fixing piece 92 comprises assembled and spliced vacuum adsorption fixing blocks 96 and curved-surface shape memory alloy connecting pieces 97, the assembled and spliced vacuum adsorption fixing blocks 96 are fixedly connected to elastic deformation pre-reverse-pushing assemblies 91, each group of elastic deformation pre-reverse-pushing assemblies 91 is provided with one group of assembled and spliced vacuum adsorption fixing blocks 96, the curved-surface shape memory alloy connecting pieces 97 are arranged between two adjacent groups of assembled and spliced vacuum adsorption fixing blocks 96, the cross sections of the curved-surface shape memory alloy connecting pieces 97 are arranged in a U shape, vacuum suckers 93 are embedded in the assembled and spliced vacuum adsorption fixing blocks 96, and the surfaces of the vacuum suckers 93 are covered with flame-retardant rubber layers to prevent the vacuum suckers 93 from being scalded at high temperature; the elastic deformation pre-reverse-thrust assembly 91 comprises a fixed sleeve 98, a pre-reverse-thrust sliding sleeve 99 and a pre-reverse-thrust spring 100, the fixed sleeve 98 is fixedly connected to the vacuum adsorption fixing body 90, the pre-reverse-thrust sliding sleeve 99 is slidably sleeved outside the fixed sleeve 98, the pre-reverse-thrust spring 100 is arranged between the pre-reverse-thrust sliding sleeve 99 and the upper wall of the vacuum adsorption fixing body 90, an assembled and spliced vacuum adsorption fixing block 96 is arranged at the upper end of the pre-reverse-thrust sliding sleeve 99, a vacuum pump 94 is arranged on the side wall of the vacuum adsorption fixing body 90, the air exhaust end of the vacuum pump 94 is communicated with the vacuum adsorption fixing body 90, a vacuum tube 95 is arranged in the fixed sleeve 98 and the pre-reverse-thrust sliding sleeve 99, the vacuum tube 95 is communicated between the lower end of a vacuum chuck 93 and the vacuum adsorption fixing body 90, the vacuum pump 94 exhausts air to form negative pressure in the vacuum adsorption fixing body 90, the vacuum suction fixing body 90 is evacuated through the vacuum tube 95 to form negative pressure at the vacuum chuck 93 so as to facilitate vacuum suction fixing of the automobile body, the curved shape memory alloy connecting piece 97 arranged on the curved surface and the vacuum adsorption technology are introduced into the technical field of welding, fixing and clamping of the automobile body by combining the pre-reaction principle, the curved surface principle and the dynamic characteristic principle, the technical problem that the clamping of the automobile body and the clamping of the automobile body cannot be realized in the prior art (the clamping is easy to affect welding) is solved, the elastic deformation pre-reverse-pushing assembly 91 with the effect opposite to the gravity effect of the automobile body is arranged in advance, and the assembled and spliced vacuum suction cups 93 which are connected and combined at intervals and the curved shape memory alloy connecting pieces 97 which are arranged in a curved shape are matched, so that the technical effects of perfect matching and stable and fixed clamping of the same automobile body transportation guide rail 2 on various automobile bodies are realized.
As shown in fig. 3 and fig. 15, the shape reduction assembly 9 includes a reduction support column 101, an electric heating plate 102 and a shape reduction cover 103, the reduction support column 101 is symmetrically disposed on two sides of the end of the vehicle body transportation guide rail 2, the shape reduction cover 103 is disposed on the reduction support column 101, the electric heating plate 102 is disposed on the bottom wall of the shape reduction cover 103, when the transportation screw 86 drives the curved memory alloy assembled and spliced vacuum adsorption fixing member 92 to move into the shape reduction cover 103, the electric heating plate 102 is turned on, the electric heating plate 102 heats the curved memory alloy assembled and spliced vacuum adsorption fixing member 92, and the curved shape memory alloy connecting member 97 is deformed by heat to recover the curved memory alloy assembled and spliced vacuum adsorption fixing member 92 to recover to be flat, so as to facilitate vacuum adsorption fixing of other types of vehicle bodies next time; transfer lift supporting mechanism 5 includes lift electric push rod 104 and transports backup pad 105, lift electric push rod 104 locates unable adjustment base 1 top, lift electric push rod 104 symmetry locates the both sides of automobile body transportation guide rail 2, it locates lift electric push rod 104 upper end to transport backup pad 105, thereby lift electric push rod 104 and transport backup pad 105 be convenient for with the automobile body from transporting conveying board 4 and lift up thereby be convenient for place the automobile body on elasticity is reverse push type curved surface memory alloy assembled vacuum adsorption clamping device 3 in advance.
As shown in fig. 14, the atomization spray type carbon dioxide capturing device 6 includes an atomization spray fixing body 106, a capturing spray head 107, a capturing atomization spray head 108, an exhaust pipe 109, a spray pump 110 and a spray liquid pumping pipe 111, the atomization spray fixing body 106 is a hollow cavity, the atomization spray fixing body 106 includes a water storage recycling cavity 112 and a spray cavity 113, the spray cavity 113 is disposed above the water storage recycling cavity 112, alkali liquid is disposed in the water storage recycling cavity 112, one end of the capturing air pumping pipe 13 far away from the capturing air pump 10 is communicated with a side wall of the water storage recycling cavity 112, the capturing spray head 107 and the capturing atomization spray head 108 are equidistantly and uniformly arranged on an upper wall of the water storage recycling cavity 112 and are respectively communicated with the spray cavity 113, the capturing atomization spray heads 108 are equidistantly and uniformly arranged on one side of the water storage recycling cavity 112 close to the capturing air pumping pipe 13, the capturing spray heads 107 are equidistantly and uniformly arranged on one side of the water storage recycling cavity 112 far away from the capturing air pumping pipe 13, the spray pump 110 is arranged on the outer side wall of the atomization spray fixing body 106, one end of a spray liquid pumping pipe 111 is communicated with the input end of the spray pump 110, the other end of the spray liquid pumping pipe 111 penetrates through the side wall of the water storage recycling cavity 112 and is arranged in the water storage recycling cavity 112, the output end of the spray pump 110 is communicated with the spray cavity 113, and the exhaust pipe 109 is communicated and arranged on the side wall of one side of the water storage recycling cavity 112 far away from the capture air supply pipe 13; the exhaust pipe 109 is arranged in an L shape, a drying filter screen 114 is arranged in the exhaust pipe 109, a drying agent bag 115 is arranged in the exhaust pipe 109, the drying agent bag 115 is arranged on the drying filter screen 114, the drying agent in the drying agent bag 115 absorbs and dries the water vapor in the exhaust gas, the side wall of the water storage recycling cavity 112 is respectively communicated with a liquid discharge pipe 116 and a liquid inlet pipe 117, a liquid discharge valve 118 and a liquid inlet valve 119 are respectively arranged on the liquid discharge pipe 116 and the liquid inlet pipe 117, the liquid discharge pipe 116 is convenient for discharging waste alkali liquid in the water storage recycling cavity 112, and the liquid inlet pipe 117 is convenient for adding new alkali liquid into the water storage recycling cavity 112.
When the device is used specifically, firstly, an automobile body is placed on the transfer conveying plate 4, the forward rotation of the two-way motor 87 for controlling the transportation is used for driving the threaded slide block 88 and the transfer conveying plate 4 to slide along the transportation lead screw 86 to the shape reduction assembly 9 to be close to each other so as to drive the assembled vacuum adsorption clamping device 3 of the elastic pre-reverse-push type curved surface memory alloy to move, the transfer conveying plate 4 and the assembled vacuum adsorption clamping device 3 of the elastic pre-reverse-push type curved surface memory alloy move synchronously, the automobile body is transmitted, the height from the transfer supporting plate 105 to the ground in the initial state is smaller than that from the transfer conveying plate 4 to the ground, the two-way motor 87 for controlling the transportation is used for stopping rotating when the transfer conveying plate 4 is conveyed to the position right above the transfer lifting supporting mechanism 5, then the lifting electric push rod 104 is controlled to extend, the lifting electric push rod 104 is used for driving the transfer supporting plate 105 to ascend, the transfer supporting plate 105 ascends to lift the automobile body from the transfer conveying plate 4 so as to enable the automobile body to be separated from the transfer conveying plate 4 The plate 4 controls the transport bidirectional motor 87 to rotate reversely to drive the threaded slide block 88 and the transport conveying plate 4 to slide reversely along the transport screw 86 and to be away from the shape reduction component 9 for resetting, the threaded slide block 88 drives the elastic pre-reverse-push type curved memory alloy assembled vacuum adsorption clamping device 3 to move away from the shape reduction component 9, when the elastic pre-reverse-push type curved memory alloy assembled vacuum adsorption clamping device 3 moves to the position under the automobile body, the transport conveying plate 4 and the elastic pre-reverse-push type curved memory alloy assembled vacuum adsorption clamping device 3 reset at the moment, the transport bidirectional motor 87 stops rotating, the lifting electric push rod 104 is controlled to contract, the lifting electric push rod 104 drives the transport supporting plate 105 to move downwards so as to drive the automobile body to move downwards and press downwards on the elastic pre-reverse-push type curved memory alloy assembled vacuum adsorption clamping device 3, when the automobile body is lowered, the self gravity presses the pre-reverse-push sliding sleeve 99 to slide downwards along the fixing sleeve 98, the pre-reverse-thrust spring 100 has an upward reverse-thrust acting force on the pre-reverse-thrust sliding sleeve 99, so that the assembled spliced vacuum adsorption fixed blocks 96 above each group of elastic deformation pre-reverse-thrust assemblies 91 move to be attached to the vehicle body with the irregular hollowed-out bulges, the assembled spliced vacuum adsorption fixed blocks 96 attached to the vehicle body with the low dislocation height drive the curved-surface shape memory alloy connecting piece 97 to deform and stretch, so that the distance between the two adjacent groups of assembled spliced vacuum adsorption fixed blocks 96 changes along with the concave-convex of the vehicle body, the curved-surface memory alloy assembled spliced vacuum adsorption fixed piece 92 is convenient to deform to adapt to the vehicle body with the irregular hollowed-out bulges in a perfect matching manner, the vacuum chuck 93 is in close contact with the vehicle body, the vacuum pump 94 is started, the vacuum pump 94 exhausts air to form a negative pressure in the vacuum adsorption fixed body 90, the vacuum adsorption fixed body 90 exhausts air through the vacuum tube 95 to form a negative pressure at the vacuum chuck 93, the vacuum pump 94 forms negative pressure at the vacuum chuck 93 to fasten and fix the automobile body, the shape memory alloy arranged on a curved surface and the vacuum adsorption technology are introduced into the technical field of welding, fixing and clamping of the automobile body by combining the principle of pre-reaction, the principle of curved surface and the dynamic characteristic principle, the technical problem that the automobile body is clamped and can not be clamped (clamping easily affects welding) which is difficult to solve in the prior art is solved, the elastic deformation pre-reverse pushing component 91 which has the reverse action with the gravity action of the automobile body is pre-arranged, the assembled and spliced vacuum chuck 93 which is connected and combined at intervals and the curved surface shape memory alloy connecting piece 97 which is arranged on a curved surface are matched, the perfect matching and the stable fixing and clamping technical effects of the same automobile body transportation guide rail 2 on various types of automobile bodies are realized, and the automobile body is welded after being fixedly clamped, according to the part to be welded of the automobile body, the adjusting motor 18 is started, the adjusting motor 18 rotates to drive the adjusting screw 16 to rotate, the adjusting screw 16 rotates to drive the adjusting fixing base 19 to slide along the adjusting screw 16 and the auxiliary slide bar 17 so as to drive the multi-joint all-directional welding mechanical arm 7 and the two-phase non-uniform gas-liquid mixing full-lossless gravity self-adjusting type blocking welding device 8 to move, the auxiliary slide bar 17 and the auxiliary slide through hole 26 limit the adjusting fixing base 19 and assist the adjusting fixing base 19 to slide, the sliding direction of the fixing base 19 is adjusted through controlling the steering control of the adjusting motor 18, when the adjusting fixing base 19 drives the multi-joint all-directional welding mechanical arm 7 and the two-phase non-uniform gas-liquid mixing full-lossless gravity self-adjusting type blocking welding device 8 to move to be initially aligned with the part to be welded of the automobile body, the adjusting motor 18 is controlled to stop rotating, and the steering motor 20 is started, the steering motor 20 rotates to drive the steering turntable 23 to rotate, and the steering turntable 23 drives the multi-joint mechanical arm 24 and the two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation type blocking welding device 8 to rotate to adjust the direction angle; after the direction angle is adjusted, the first joint driving motor 29, the second joint hinge motor 31 and the third joint hinge motor 34 are controlled to rotate to respectively drive the first joint arm 28, the second joint arm 32 and the third joint arm 35 to rotate to adjust the angle, so that the multi-joint mechanical arm 24 drives the welding mechanism 37 to be close to a part to be welded of the automobile body, the welding direction-adjusting motor 36 is controlled to rotate to drive the welding mechanism 37 to rotate to adjust the welding angle, so that the driving welding tongs 81 and the driven welding tongs 82 are aligned to the part to be welded of the automobile body, when the welding mechanism 37 rotates along with the welding direction-adjusting motor 36, the two-phase non-uniform gas-liquid mixing full-gravity self-regulating type resistance spraying mechanism 40 is kept still, the two-phase non-uniform gas-liquid mixing full-gravity self-regulating type resistance spraying mechanism 40 is kept above the welding mechanism 37, and the first joint driving motor 29, the second joint hinge motor 31 and the third joint hinge motor 34 are controlled so that the multi-joint mechanical arm 24 drives the driving welding tongs 81 and the driven welding tongs 82 Moving to two sides of a to-be-welded part of the automobile body, controlling the first joint driving motor 29, the second joint hinge motor 31 and the third joint hinge motor 34 to stop rotating after the driving welding tongs 81 and the driven welding tongs 82 are adjusted in place, starting the fine adjustment motor 44 when the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type blocking and spraying mechanism 40 is arranged above the to-be-welded part of the automobile body, driving the fine adjustment gear 45 to rotate by the fine adjustment motor 44, driving the fine adjustment slide bar 46 by the fine adjustment gear 45 through the fine adjustment rack 48 to slide and adjust the position of the two-phase non-uniform gas-liquid mixing fully lossless gravity self-modulation type blocking and spraying mechanism 40 along the fine adjustment slide through hole 49, controlling the sliding direction of the fine adjustment slide bar 46 by controlling the rotating direction of the fine adjustment motor 44, and controlling the fine adjustment motor 44 to stop rotating when the two-phase non-uniform gas-liquid mixing fully gravity lossless self-modulation type blocking and spraying mechanism 40 finely moves to be directly above the to-be-welded part of the automobile body to be-welded part to be welded, at the moment, the part to be welded of the vehicle body is arranged below the center of the gravity self-adjusting spraying fixing body 60, and the gravity self-adjusting spraying fixing body 60 always keeps a vertical downward state under the action of gravity through the hinge seat 61, so that the part to be welded can be conveniently aligned to the welding part; then the welding clamping motor 72, the preheating heating wire 62, the gas-phase carbon dioxide delivery pump 54 and the liquid-phase carbon dioxide delivery pump 55 are controlled to work, the welding clamping motor 72 rotates forward to drive the driving incomplete welding gear 77 to rotate, the driving incomplete welding gear 77 drives the driven incomplete welding gear 78 to rotate, the driving incomplete welding gear 77 and the driven incomplete welding gear 78 respectively drive the driving push-pull rod 79 and the driven push-pull rod 80 to rotate oppositely to approach, the driving push-pull rod 79 and the driven push-pull rod 80 respectively drive the driving electrode holder 81 and the driven electrode holder 82 to rotate oppositely to approach, the driving linkage rod 83 pulls the driving electrode holder 81 to rotate around the hinged part of the driving electrode holder 81 and the driving push-pull rod 79, the driven linkage rod 84 pulls the driven electrode holder 82 to rotate around the hinged part of the driven electrode holder 82 and the driven push-pull rod 80, so that the driving electrode holder 81 and the driven electrode holder 82 approach, the driving electrode holder 81 and the driven electrode holder 82 approach to the first electrode 74 and the second electrode 75 and advance the vehicle body workpiece The electrode caps 76 of the first electrode 74 are welded together after being contacted with the electrode caps 76 of the second electrode 75, so that the welding of the to-be-welded part of the automobile body is realized, meanwhile, the liquid-phase carbon dioxide delivery pump 55 extracts liquid carbon dioxide from the liquid-phase carbon dioxide storage cavity 51 through the liquid-phase heat-preservation liquid-pumping pipe 58 and sends the liquid carbon dioxide into the liquid-phase spraying cavity 68 through the liquid-phase heat-preservation elastic telescopic delivery pipe 59, the gas-phase carbon dioxide delivery pump 54 extracts gas carbon dioxide from the gas-phase carbon dioxide storage cavity 50 through the gas-phase air pumping pipe 56 and sends the gas carbon dioxide into the gas-phase spraying cavity 67 through the gas-phase air-sending elastic telescopic hose 57, the preheating heating wire 62 heats the gas carbon dioxide in the gas-phase spraying cavity 67, the gas carbon dioxide expands after being heated, the elastic rubber partition layer 63 deforms to adapt to the gas carbon dioxide expanded, and the heated gas carbon dioxide is sprayed out through the internal nonuniform local gas-phase spray nozzle 64 to form a heat gas carbon dioxide partition layer, the hot gas carbon dioxide partition layer can effectively ensure the welding temperature of the welding position of the automobile body and ensure the welding quality, meanwhile, when the sparks generated by welding meet the hot gas carbon dioxide partition layer, a part of small sparks are extinguished under the suffocation action of the hot gas carbon dioxide partition layer, a part of large sparks pass through the hot gas carbon dioxide partition layer, the external non-uniform local liquid phase atomizing nozzle 65 sprays the liquid carbon dioxide in the liquid phase spraying cavity 68 in an atomizing form to form an atomized liquid phase carbon dioxide partition layer outside the hot gas carbon dioxide partition layer, the liquid carbon dioxide is gasified after being sprayed out and absorbs a large amount of heat, so that the atomized liquid phase carbon dioxide partition layer inhibits the residual large sparks under the actions of cooling and suffocation by absorbing a large amount of heat under the suffocation action and liquid carbon dioxide phase change, and the outer layer liquid carbon dioxide absorbs heat and then cools to form dry ice particles, the hot gas carbon dioxide partition layer can be used for preventing the atomized liquid phase carbon dioxide partition layer from being gasified, absorbing heat and reducing the temperature of the internal welding position, on the other hand, the hot gas carbon dioxide partition layer can provide heat for the atomized liquid phase carbon dioxide partition layer, so that the heat absorbed by the atomized liquid phase carbon dioxide can be supplemented, the dry ice particles can be gasified and absorb a large amount of heat, the temperature of the surrounding air can be reduced, the water vapor in the air can be subjected to liquefaction reaction and release heat, small liquid drops can be formed, mist can be formed, a mist layer can be formed outside the atomized liquid phase carbon dioxide partition layer, the atomized liquid phase carbon dioxide partition layer can be in a gas-liquid-solid three-phase mixed state, the residual big sparks can be fully inhibited through temperature reduction and suffocation, the full inhibition of welding sparks can be realized, the full lossless welding of the automobile body and the working personnel can be realized, after the spot welding is finished, controlling the preheating heating wire 62, the gas-phase carbon dioxide delivery pump 54 and the liquid-phase carbon dioxide delivery pump 55 to stop working and controlling the welding clamping motor 72 to rotate reversely, controlling the welding clamping motor 72 to rotate reversely to drive the driving electrode holder 81 and the driven electrode holder 82 to move away from each other and separate, so that the electrode cap 76 of the first electrode 74 is separated from the electrode cap 76 of the second electrode 75, controlling the multi-joint all-directional welding mechanical arm 7 to move to drive the welding mechanism 37 to move to the next part to be welded of the automobile body, finely adjusting the two-phase non-uniform gas-liquid mixing full-damage self-adjusting type blocking and spraying mechanism 40 by the central fine adjustment mechanism 38 to align the two-phase non-uniform gas-liquid mixing full-damage self-adjusting type blocking and spraying mechanism to the part to be welded of the next automobile body, controlling the welding clamping motor 72, the preheating heating wire 62, the gas-phase carbon dioxide delivery pump 54 and the liquid-phase carbon dioxide delivery pump 55 to work again until all the parts to be welded of the automobile body are welded, in the welding process, the spray pump 110 and the capture air pump 10 are kept working continuously, the capture air pump 10 collects and exhausts the gas mixed with carbon dioxide at the welding part through the capture air exhaust elastic flexible hose 12 and the capture air suction hood 11 and sends the gas into the water storage recovery cavity 112 through the capture air supply pipe 13 for processing, the capture air suction hood 11 moves along with the movement of the adjusting fixed base 19, so that the capture air suction hood 11 is always consistent with the two-phase uneven gas-liquid mixing all-damage gravity self-regulation type blocking and spraying mechanism 40, the spray pump 110 sends alkali liquor in the water storage recovery cavity 112 into the spray cavity 113 through the spray exhaust pipe 111 and respectively sprays the alkali liquor through the capture atomization spray head 108 and the capture spray head 107, the capture atomization spray head 108 sprays the alkali liquor in the form of mist into the water storage atomization cavity to form an atomization capture area, and the capture spray head 107 sprays the alkali liquor in the form of water drops into the water storage recovery cavity 112 to form a water drop capture area, the gas containing carbon dioxide collected by the capturing gas supply pipe 13 sequentially passes through the atomization capturing area and the water drop capturing area and fully reacts with the alkali liquor in the water storage recycling cavity 112, the alkali liquor absorbs the carbon dioxide in the gas, the residual gas is discharged through the exhaust pipe 109, the desiccant bag 115 dehumidifies and dries the discharged gas to ensure the drying of the discharged gas, the spray pump 110 and the atomization spray type carbon dioxide capturing device 6 continuously work to capture and recycle the carbon dioxide in the welding working space, the carbon dioxide content in the welding working space is effectively reduced, the carbon dioxide content in the air is ensured to be at a normal level, when the alkali liquor in the water storage recycling cavity 112 is saturated, the liquid discharge valve 118 is opened to discharge the waste alkali liquor in the water storage recycling cavity 112, then the liquid discharge valve 118 is closed and the liquid inlet valve 119 is opened, and new alkali liquor is injected into the water storage recycling cavity 112 through the liquid inlet pipe 117, after all automobile bodies are welded, the multi-joint omnibearing welding mechanical arm 7 is controlled to drive the two-phase uneven gas-liquid mixing full-lossless gravity self-regulation type blocking welding device 8 to be far away from the automobile bodies, then the next automobile body to be welded is placed on the transfer conveying plate 4, the two-phase motor 87 for transportation is controlled to rotate forward to drive the threaded slide block 88 and the transfer conveying plate 4 to slide and approach to the shape reduction assembly 9 along the transportation lead screw 86, so as to drive the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device 3 to slide towards the shape reduction assembly 9, the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device 3 drives the welded automobile bodies to move and approach to the shape reduction assembly 9, the transfer conveying plate 4 drives the next automobile bodies to be welded to move and approach to the transfer lifting supporting mechanism 5, and when the transfer conveying plate 4 is conveyed to be right above the transfer lifting supporting mechanism 5, the two-phase motor 87 for transportation is controlled to stop rotating Moving, controlling the lifting electric push rod 104 to extend, driving the transfer support plate 105 to ascend by the lifting electric push rod 104, lifting the automobile body to be welded from the transfer conveying plate 4 by the transfer support plate 105 to enable the automobile body to be welded to be separated from the transfer conveying plate 4, controlling the vacuum pump 94 to stop working, then removing the welded automobile body from the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3, driving the pre-reverse-pushing sliding sleeve 99 to move upwards along the fixed sleeve 98 by the pre-reverse-pushing spring 100 to reset, controlling the conveying bidirectional motor 87 to continue to rotate forwards to drive the threaded slide block 88 and the transfer conveying plate 4 to slide along the conveying lead screw 86 to slide and approach towards the shape reducing component 9, and controlling the conveying bidirectional motor 87 to stop working when the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device 3 completely moves into the shape reducing cover 103, and the electric heating plate 102 is opened, the electric heating plate 102 heats the curved memory alloy assembled and spliced vacuum adsorption fixing piece 92, the curved shape memory alloy connecting piece 97 is heated to deform and recover, and the curved shape memory alloy assembled and spliced vacuum adsorption fixing piece 92 recovers to be flat by matching the elastic action of the pre-reverse thrust spring 100, so that vacuum adsorption fixing is performed again conveniently, then the transportation bidirectional motor 87 is controlled to rotate reversely to drive the elastic pre-reverse thrust curved memory alloy assembled vacuum adsorption clamping device 3 and the transfer conveying plate 4 to slide reversely and recover, when the elastic pre-reverse thrust curved memory alloy assembled vacuum adsorption clamping device 3 moves to the position under the vehicle body to be welded, the transportation bidirectional motor 87 is controlled to stop working, and the operation is repeated to weld the next vehicle body to be welded.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Two-phase inhomogeneous reaction curved surface totally-lossless automobile body welding equipment in advance, which is characterized in that: the device comprises a fixed base, a vehicle body transportation guide rail, an elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, a transportation conveying plate, a middle transportation lifting supporting mechanism, an atomization spraying type carbon dioxide catching device, a multi-joint all-directional welding mechanical arm, a two-phase uneven gas-liquid mixing full-lossless gravity self-adjusting type blocking welding device, a shape reduction assembly, a catching air pump, a catching air suction cover, a catching air exhaust elastic telescopic hose and a catching air supply pipe, wherein supporting columns are uniformly arranged on the lower wall of the vehicle body transportation guide rail at equal intervals, the fixed base is arranged below the middle part of the vehicle body transportation guide rail, the atomization spraying type carbon dioxide catching device is symmetrically arranged on two sides of the fixed base, the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device and the transportation conveying plate are arranged on the vehicle body transportation guide rail, and the vehicle body transportation guide rail is arranged on two sides of the elastic pre-reverse-push type curved surface memory alloy assembled vacuum adsorption clamping device, the multi-joint all-round welding mechanical arm is arranged on a fixed base, the multi-joint all-round welding mechanical arm is symmetrically arranged on two sides of a vehicle body transportation guide rail and an elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device, the transfer lifting supporting mechanism is arranged on the fixed base between the vehicle body transportation guide rail and the multi-joint all-round welding mechanical arm, the transfer lifting supporting mechanism is symmetrically arranged on two sides of the vehicle body transportation guide rail and the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device, the two-phase non-uniform gas-liquid mixing full-damage gravity self-modulation blocking welding device is arranged on the multi-joint all-round welding mechanical arm, the shape reduction assembly is arranged at the tail end of the vehicle body transportation guide rail, the capturing air pump is arranged on the side wall of the fixed base, the capturing air suction hood is arranged on the multi-joint all-round welding mechanical arm, the capturing air-exhaust elastic flexible hose is communicated between the input end of the capturing air pump and the capturing air suction cover, and the capturing air-supply pipe is communicated between the output end of the capturing air pump and the atomizing spraying type carbon dioxide capturing device; the two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and welding device comprises a welding mechanism, a central fine adjustment mechanism, a two-phase carbon dioxide storage tank, a two-phase non-uniform gas-liquid mixing full-lossless gravity self-regulation type blocking and spraying mechanism and a two-phase carbon dioxide conveying component, wherein the welding mechanism is arranged on a multi-joint all-directional welding mechanical arm; the two-phase non-uniform gas-liquid mixing full-lossless gravity self-modulation blocking spraying mechanism comprises a gravity self-modulation spraying fixing body, a hinged seat, a preheating heating wire, an elastic rubber partition layer, an inner non-uniform local gas-phase sprayer and an outer non-uniform local liquid-phase atomizing sprayer, wherein the hinged seat is hinged at one end of a central fine-tuning mechanism, the gravity self-modulation spraying fixing body is arranged on the bottom wall of the hinged seat, the gravity self-modulation spraying fixing body sequentially comprises a central avoiding cavity, a gas-phase spraying cavity and a liquid-phase spraying cavity from inside to outside, the elastic rubber partition layer is arranged between the central avoiding cavity and the gas-phase spraying cavity, the preheating heating wire is arranged on one side wall of the gas-phase spraying cavity, which is far away from the elastic rubber partition layer, the inner non-uniform local gas-phase sprayers are uniformly arranged on the bottom wall of the gas-phase spraying cavity at equal intervals, and the inner non-uniform local gas-phase sprayers are communicated with the gas-phase spraying cavity, the outer uneven local liquid phase atomizing spray heads are uniformly arranged at equal intervals and are arranged on the bottom wall of the liquid phase spraying cavity, the outer uneven local liquid phase atomizing spray heads are communicated with the liquid phase spraying cavity, and the outer uneven local liquid phase atomizing spray heads are arranged on the outer side of the inner uneven local gas phase spray heads.
2. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 1, wherein: the conveying screw rod is arranged in the conveying guide rail of the automobile body in a rotating mode, the conveying bidirectional motor is arranged on the side wall of the conveying guide rail of the automobile body, the conveying bidirectional motor is coaxially connected with the conveying screw rod, threaded slide blocks are symmetrically arranged on two sides of the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device, the threaded slide blocks are arranged on the conveying screw rod in a sliding mode, the threaded slide blocks are in threaded connection with the conveying screw rod, the transferring and conveying plate is arranged on the conveying screw rod and is in threaded connection with the conveying screw rod, the elastic pre-reverse-pushing type curved surface memory alloy assembled vacuum adsorption clamping device comprises a vacuum adsorption fixing body, an elastic deformation pre-reverse-pushing assembly, a curved surface memory alloy assembled and spliced vacuum adsorption fixing body, a vacuum sucking disc, a vacuum pump and a vacuum tube, the vacuum adsorption fixing body is fixedly connected between the threaded slide blocks, and the vacuum adsorption fixing body is arranged in a hollow cavity, the elastic deformation pre-reverse-pushing assembly is uniformly arranged on the upper wall of the vacuum adsorption fixing body at equal intervals, the curved surface memory alloy assembly splicing type vacuum adsorption fixing piece is arranged above the elastic deformation pre-reverse-pushing assembly and comprises assembly splicing type vacuum adsorption fixing blocks and curved surface shape memory alloy connecting pieces, the assembly splicing type vacuum adsorption fixing blocks are fixedly connected to the elastic deformation pre-reverse-pushing assembly, each group of elastic deformation pre-reverse-pushing assembly is provided with one group of assembly splicing type vacuum adsorption fixing blocks, the curved surface shape memory alloy connecting pieces are arranged between two adjacent groups of assembly splicing type vacuum adsorption fixing blocks, the cross section of each curved surface shape memory alloy connecting piece is in a U-shaped arrangement, the vacuum sucker is embedded in the assembly splicing type vacuum adsorption fixing blocks, and the vacuum pump is arranged on the side wall of the vacuum adsorption fixing body, the air exhaust end of the vacuum pump is communicated with the vacuum adsorption fixing body, and the vacuum pipe penetrates through the elastic deformation and is communicated with the reverse thrust assembly in advance and arranged between the lower end of the vacuum sucker and the vacuum adsorption fixing body.
3. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 2, wherein: the elastic deformation pre-reverse-thrust assembly comprises a fixed sleeve, a pre-reverse-thrust sliding sleeve and a pre-reverse-thrust spring, the fixed sleeve is fixedly connected to the vacuum adsorption fixed body, the pre-reverse-thrust sliding sleeve is slidably sleeved on the outer side of the fixed sleeve, the pre-reverse-thrust spring is arranged between the pre-reverse-thrust sliding sleeve and the upper wall of the vacuum adsorption fixed body, the assembled and spliced vacuum adsorption fixed block is arranged at the upper end of the pre-reverse-thrust sliding sleeve, the vacuum tube is arranged in the fixed sleeve and the pre-reverse-thrust sliding sleeve, and the vacuum tube is communicated between the lower end of the vacuum chuck and the vacuum adsorption fixed body; the shape reduction assembly comprises reduction support columns, an electric heating plate and a shape reduction cover, the reduction support columns are symmetrically arranged on two sides of the tail end of the vehicle body transportation guide rail, the shape reduction cover is arranged on the reduction support columns, and the electric heating plate is arranged on the bottom wall of the shape reduction cover.
4. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 3, wherein: the multi-joint all-directional welding mechanical arm comprises supporting side plates, adjusting screw rods, auxiliary slide rods, an adjusting motor, an adjusting fixed base, a steering motor, steering support columns, a steering support chuck, a steering turntable and a multi-joint mechanical arm, wherein the supporting side plates are symmetrically arranged at two sides of the fixed base, the adjusting screw rods are rotatably arranged between the supporting side plates, the auxiliary slide rods are arranged between the supporting side plates, the adjusting screw rods, the auxiliary slide rods and a vehicle body transportation guide rail are arranged in parallel, the adjusting fixed base is slidably arranged on the adjusting screw rods and the auxiliary slide rods, sliding screw holes and auxiliary sliding through holes are arranged on the adjusting fixed base, the adjusting screw rods are arranged in the sliding screw holes, the auxiliary slide rods are arranged in the auxiliary sliding through holes, the adjusting screw rods are in threaded connection with the sliding screw holes, the adjusting motor is arranged on the side walls of the supporting side plates, and an output shaft of the adjusting motor is coaxially and fixedly connected with the adjusting screw rods, the multi-joint mechanical arm comprises a first joint hinge seat, a first joint arm, a first joint driving motor, a second joint hinge seat, a second joint hinge motor, a second joint arm, a third joint hinge seat, a third joint hinge motor, a third joint arm and a welding direction adjusting motor, wherein the first joint hinge seat is arranged on the steering turntable, the lower end of the first joint arm is hinged on the first joint hinge seat, the first joint driving motor is fixedly connected on the first joint hinge seat, the hinged part of the first joint arm and the first joint hinge seat is connected with the output shaft of the first joint driving motor, the second joint hinge seat is arranged at the upper end of the first joint arm, the second joint hinge motor is arranged on the second joint hinge seat, one end of the second joint arm is hinged on the second joint hinge seat, the hinge joint of the second joint arm and the second joint hinge seat is connected with the output shaft of the second joint hinge motor, the third joint hinge seat is arranged at one end of the second joint arm far away from the second joint hinge seat, the third joint hinge motor is arranged on the third joint hinge seat, the third joint arm is hinged to the third joint hinge seat, the output shaft of the third joint hinge motor penetrates through the third joint hinge seat to be connected with the hinge joint of the third joint arm and the third joint hinge seat, the welding direction regulating motor is arranged at one end, far away from the third joint hinge seat, of the third joint arm, the welding mechanism is rotatably arranged on the third joint arm, and the welding direction regulating motor is connected with the welding mechanism through the output shaft of the welding direction regulating motor.
5. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 4, wherein: the central fine adjustment mechanism comprises a fine adjustment fixing rod, a fine adjustment driving fixing body, a fine adjustment motor, a fine adjustment gear, a fine adjustment slide rod, a limiting plate and a fine adjustment rack, the fine adjustment fixing rod is arranged at one end, away from a third joint hinge seat, of a third joint arm, the fine adjustment driving fixing body is arranged on the fine adjustment fixing rod, the fine adjustment driving fixing body is arranged in a hollow cavity, a fine adjustment sliding through hole penetrating through the opposite side walls of the fine adjustment driving fixing body is formed in the fine adjustment driving fixing body, the fine adjustment slide rod is arranged in the fine adjustment sliding through hole in a sliding and penetrating mode, the hinge seat is hinged to one end of the fine adjustment slide rod, the fine adjustment slide rod penetrates through the fine adjustment driving fixing body through the fine adjustment sliding through hole in a sliding mode, the fine adjustment gear is rotatably arranged in the fine adjustment driving fixing body, the fine adjustment rack is arranged on the side wall, close to the fine adjustment gear, of the fine adjustment gear is meshed with the fine adjustment rack, the fine adjustment motor is arranged on the side wall of the fine adjustment driving fixed body, an output shaft of the fine adjustment motor penetrates through the side wall of the fine adjustment driving fixed body and is coaxially connected with the fine adjustment gear, the limiting plate is arranged at one end, away from the two-phase non-uniform gas-liquid mixing and fully lossless gravity self-modulation type blocking and spraying mechanism, of the fine adjustment sliding rod, and the limiting plate and the two-phase non-uniform gas-liquid mixing and fully lossless gravity self-modulation type blocking and spraying mechanism are respectively arranged at two sides of the fine adjustment driving fixed body; the double-phase carbon dioxide storage box comprises a gas-phase carbon dioxide storage cavity and a liquid-phase carbon dioxide storage cavity, the double-phase carbon dioxide conveying assembly comprises a gas-phase carbon dioxide conveying pump, a liquid-phase carbon dioxide conveying pump, a gas-phase exhaust pipe, a gas-phase gas-feeding elastic telescopic hose, a liquid-phase heat-preservation liquid suction pipe and a liquid-phase heat-preservation elastic telescopic conveying pipe, the gas-phase carbon dioxide conveying pump and the liquid-phase carbon dioxide conveying pump are respectively arranged on the side wall of the double-phase carbon dioxide storage box, the gas-phase exhaust pipe is communicated with the input end of the gas-phase carbon dioxide conveying pump and the gas-phase carbon dioxide storage cavity, the gas-phase gas-feeding elastic telescopic hose is communicated with the output end of the gas-phase carbon dioxide conveying pump and the gas-phase spray cavity, the liquid-phase heat-preservation liquid suction pipe is communicated with the input end of the liquid-phase carbon dioxide conveying pump and the liquid-phase carbon dioxide storage cavity, and the liquid-phase heat-preservation elastic telescopic conveying pipe is communicated with the output end of the liquid-phase carbon dioxide conveying pump and the liquid-phase spray cavity Between the sprinkling chambers.
6. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 5, wherein: the parcel is equipped with the heat preservation on the liquid phase sprays the chamber lateral wall, liquid carbon dioxide storage chamber adopts the liquid carbon dioxide storage tank, it is equipped with the inlet pipe to communicate respectively on liquid carbon dioxide storage chamber and the gaseous carbon dioxide storage chamber, be equipped with the control valve on the inlet pipe respectively.
7. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 6, wherein: the lifting support mechanism for the transfer comprises a lifting electric push rod and a transfer support plate, the lifting electric push rod is arranged above a fixed base, the lifting electric push rod is symmetrically arranged on two sides of a vehicle body transportation guide rail, the transfer support plate is arranged at the upper end of the lifting electric push rod, the welding mechanism comprises a welding rotating shaft, a welding fixing seat, a welding clamping motor, a transformer, a first electrode, a second electrode, an electrode cap, a driving incomplete welding gear, a driven incomplete welding gear, a driving linkage rod, a driven linkage rod, a driving welding clamp, a driven welding clamp, a driving push-pull rod and a driven push-pull rod, the welding rotating shaft is rotatably arranged at one end, away from a third joint hinge seat, of a third joint arm, an output shaft of the welding direction adjusting motor is connected with the welding rotating shaft, the welding fixing seat is fixedly connected to the welding rotating shaft, the driving incomplete welding gear and the driven incomplete welding gear are respectively rotatably arranged on the welding fixing seat, the driving incomplete welding gear and the driven incomplete welding gear are symmetrically arranged, the side walls of the driving incomplete welding gear and the driven incomplete welding gear are respectively provided with gear teeth, the driving incomplete welding gear is meshed with the driven incomplete welding gear, the driving push-pull rod is arranged on the driving incomplete welding gear, the driven push-pull rod is arranged on the driven incomplete welding gear, the driving welding tongs are hinged on the driving push-pull rod, the driven welding tongs are hinged on the driven push-pull rod, the two ends of the driving linkage rod are respectively hinged at the front end of the welding fixing seat and the middle part of the driving welding tongs, the two ends of the driven linkage rod are respectively hinged at the front end of the welding fixing seat and the middle part of the driven welding tongs, the driving linkage rod and the driven linkage rod are symmetrically arranged, the bottom wall of the welding fixing seat is provided with a driving fixing seat, and the welding clamping motor and the transformer are arranged on the driving fixing seat, the output shaft of the welding clamping motor is coaxially connected with the incomplete driving welding gear, the first electrode and the second electrode are respectively arranged on the driving electrode holder and the driven electrode holder, the transformer is respectively electrically connected with the first electrode and the second electrode, and the electrode caps are respectively arranged on the first electrode and the second electrode.
8. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 7, wherein: the atomization spraying type carbon dioxide catching device comprises an atomization spraying fixing body, a catching spray head, a catching atomization spray head, an exhaust pipe, a spray pump and a spraying liquid suction pipe, wherein the atomization spraying fixing body is arranged on one side of a fixing base and is a hollow cavity, the atomization spraying fixing body comprises a water storage recovery cavity and a spray cavity, the spray cavity is arranged above the water storage recovery cavity, alkali liquor is arranged in the water storage recovery cavity, one end of a catching air supply pipe, far away from the catching air pump, is communicated with the side wall of one side of the water storage recovery cavity, the catching spray head and the catching atomization spray head are arranged on the upper wall in the water storage recovery cavity at equal intervals and are respectively communicated with the spray cavity, the catching atomization spray head is arranged on one side, close to the catching air supply pipe, of the water storage recovery cavity at equal intervals and is arranged on one side, far away from the catching air supply pipe, of the water storage recovery cavity at equal intervals and is arranged on one side, the spray pump is arranged on the outer side wall of the atomization spray fixing body, one end of the spray liquid suction pipe is communicated with the input end of the spray pump, the other end of the spray liquid suction pipe penetrates through the side wall of the water storage recovery cavity and is arranged in the water storage recovery cavity, the output end of the spray pump is communicated with the spray cavity, and the exhaust pipe is communicated with the side wall of one side of the water storage recovery cavity far away from the capture air supply pipe.
9. The two-phase non-uniform pre-reaction curved fully lossless automotive body weld apparatus of claim 8, wherein: the surface of the vacuum sucker is covered with a flame-retardant rubber layer; the cross section of the vehicle body transportation guide rail is arranged in an L shape; the utility model discloses a drying device, including conveyer board, blast pipe, drying screen, drier package, water storage recovery cavity lateral wall, liquid-discharge tube and feed liquor pipe, it is equipped with the leading wheel respectively to transport conveyer board and screw slider diapire, the blast pipe is L shape setting, be equipped with drying screen in the blast pipe, be equipped with the drier package in the blast pipe, on the drier package is located drying screen, the water storage recovery cavity lateral wall communicates respectively and is equipped with fluid-discharge tube and feed liquor pipe, be equipped with flowing-discharge valve and feed liquor valve on fluid-discharge tube and the feed liquor pipe respectively.
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