346 results about "Flame cutting" patented technology

The invention relates to the technical field of HB450-grade thick-specification wear-resistant steel plates, in particular to a flame cutting delayed crack-free HB450-grade thick-specification wear-resistant steel plate and a production method thereof. The steel is composed of the following chemical components in percentage by weight: 0.18%-0.22% of C, 1.00%-1.10% of Si, 0.8%-1.0% of Mn, 0.015%-0.03% of Nb, 0.6%-0.70% of Cr, 0.06%-0.09% of Al, 0.0005%-0.0020% of B, more than or equal to 1.4% and less than or equal to 1.6% of Mn and Cr, and the balance of Fe and inevitable impurities. The production process flow comprises the steps of smelting, refining, slab continuous casting, casting blank heating and slow cooling, slab heating, controlled rolling, stacking and slow cooling, quenching and tempering heat treatment, flame cutting with temperature and slow cooling with hot water. The surface hardness is larger than or equal to HB450, the thickness ranges from 40 mm to 80 mm, the tensile strength is larger than or equal to 1250 MPa, the retained austenite content is 5%-7%, delayed cracks do not exist after fire cutting, the trimming hardness is larger than or equal to HB410, AKV at the temperature of-40 DEG C is larger than or equal to 40 J, and A is larger than or equal to 12%.

The invention relates to the technical field of flame cutting machine tools, in particular to an anti-splashing automatic flame cutting device which comprises a cutting table, and a pipe conveying assembly and a pipe output assembly are symmetrically installed at the top end of the cutting table. According to the anti-splashing automatic flame cutting device, a band-type brake stepping motor drives a rotating shaft to rotate, so that a plurality of auxiliary rollers and driving rollers which are arranged in a cavity ring in a surrounding mode at equal angles synchronously rotate, a polishing abrasive belt is driven to synchronously rotate, and therefore the to-be-cut face of a pipe fitting can be comprehensively wrapped and effectively and automatically polished and derusted; the whole cutting quality is guaranteed, subsequent machining and using are prevented from being affected, meanwhile, a limiting gear ring can drive a plurality of abutting blocks on the side edge to rotate synchronously when rotating, and therefore the roller rods are abutted against and make reciprocating motion, and the cutting efficiency is improved. And meanwhile, when the roller rod reciprocates, a certain amount of rust remover in the liquid storage tank can be intermittently sprayed out of the spray head to be sprayed on the surface of the running polishing abrasive belt, the polishing and rust removing effect is improved, and efficiency is improved.

The invention relates to the technical field of high-hardness thick-specification high-wear-resistance steel plates, in particular to a high-hardness 30-80mm thick-specification flame-cutting-delayed-crack-free high-wear-resistance steel plate and a production method thereof. New flame cutting delayed crack preventing components and process design are adopted, the chemical components of the steel plate are mainly characterized by medium carbon, high silicon and niobium microalloying, and the wear-resistant steel plate with low impurity content, uniform and fine martensite and a certain amount of retained austenite structures is obtained after refining, continuous casting, controlled rolling and heat treatment. And formation and expansion of delayed cracks during flame cutting can be inhibited. And during flame cutting, thermal stress and structural stress formed in the cutting process of the thick steel plate are reduced through the cutting process of cutting with temperature and slow cooling with hot water after cutting, and the effect of no delayed crack after cutting is achieved. The surface hardness is larger than or equal to HB500, the tensile strength is larger than or equal to 1350 MPa, AKV at-40 DEG C is larger than or equal to 30 J, A is larger than or equal to 10%, retained austenite is 4%-6%, delayed cracks do not exist after flame cutting, and the flame cutting edge hardness is larger than or equal to HB460.

The invention discloses a slag discharging treatment system of flame cutting equipment, and relates to the technical field of flame cutting equipment.The structure of a slag discharging device for the flame cutting equipment in the prior art is optimized and improved, and a hard plate body is obliquely arranged at the position, close to the oblique lower portion of cutting flame, of the top of a slag cutting container; a water pipe is used for spraying water towards the top face of the hard plate body from the inclined upper portion of the hard plate body, so that the sprayed water impacts the top face of the hard plate body, and then a water curtain is formed; the formed water curtain impacts and wraps cutting slag generated by cutting operation at the position close to cutting flame, the cutting slag is cooled rapidly and efficiently, and dust dissipation and filter layer damage are effectively reduced; the form and drop point of the formed water curtain are changed by adjusting the water spraying amount of the water pipe in unit time, concentrated accumulation of cutting slag is avoided, and the filtering layer and the container capacity are fully utilized; the drop point of the water curtain is changed by adjusting the water spraying amount, so that the water curtain repeatedly impacts the cutting slag on the filter layer, and efficient and sufficient separation of the cutting slag is assisted.

The utility model discloses a flame cutting torch appliance adopting natural gas, which relates to the technical field of cutting torch appliances, and comprises a cutting torch body, the outer wall of the top of the cutting torch body is fixedly connected with a connecting column, and the outer wall of the bottom of the connecting column is provided with threads and is in threaded connection with a cutting torch sleeve. A protection assembly is arranged on the outer wall of the bottom of the cutting nozzle sleeve, and a fuel gas flux adjusting assembly communicating with the interior of the cutting nozzle sleeve is arranged on the right side wall of the cutting nozzle sleeve. By means of the protection assembly, the protection position of the hollow moving column is adjusted, the safety problem caused by metal spark splashing is avoided, meanwhile, the spiral gas mixing channel and the fuel gas groove can effectively increase the gas mixing degree and the gas flow speed, sprayed flames are more stable, and the safety performance of the burner is improved. And the arranged fuel gas flux adjusting assembly can automatically adjust the opening degree of the electromagnetic valve and accurately control the flux of fuel gas, so that fuel gas resources are saved.

The invention discloses steel beam cutting equipment for steel structure building construction, and relates to the field of building steel beam flame cutting equipment.The steel beam cutting equipment comprises a support, a vertical frame, a rotating disc structure and a cutting structure, the vertical frame is fixedly installed on the support, the rotating disc structure is installed in the vertical frame, and the cutting structure is installed on the vertical frame; the rotating disc structure comprises a rotating disc, a clamping assembly and a limiting structure, the rotating disc is rotationally installed in the vertical frame and can rotate freely, the clamping assembly is installed on the rotating disc, and the limiting structure is fixedly installed on the rotating disc; the cutting structure comprises a gas cutting gun and a position adjusting structure, the gas cutting gun is fixedly installed on the position adjusting structure, the position adjusting structure is fixedly installed on the vertical frame, and the vertical position of the gas cutting gun can be adjusted along with rotation of the steel beam by synchronously adjusting the gas cutting gun while the steel beam is driven to rotate; and the quality of cut surfaces after cutting is ensured to be consistent.

The invention relates to the technical field of pipeline cutting machining, and provides a flame cutting machine for elbow machining, which is used for cutting a pipeline into pipe sections for manufacturing elbows and comprises an annular guide rail, the annular guide rail is arranged on the pipeline in a sleeving manner, a moving seat is arranged on the peripheral wall of the annular guide rail in a sliding manner, and a flame cutting gun is mounted on the moving seat; the flame cutting gun extends out of one side of the annular guide rail and extends to a to-be-cut part of the pipeline; the variable-diameter cushion blocks are detachably arranged on the inner circumferential wall of the annular guide rail, the end faces, away from the annular guide rail, of the variable-diameter cushion blocks abut against the pipeline, the variable-diameter cushion blocks can be selected, grooves are formed in the fixed blocks, the opening directions of the grooves face the axis of the annular guide rail, the sliding blocks are arranged in the grooves in a sliding mode, and the sliding blocks can slide out of the grooves. Therefore, the abutting surface abuts against the outer wall of the pipeline. By means of the technical scheme, the technical problem that in the prior art, a traditional flame cutting machine cannot be automatically suitable for pipelines with different pipe diameters is solved.

The invention relates to the technical field of high-toughness thick-specification wear-resistant steel plates, in particular to a high-toughness thick-specification crack-resistant wear-resistant steel plate and a production method thereof. The high-strength steel is composed of the following chemical components in percentage by weight: 0.12%-0.16% of C, 1.15%-1.30% of Si, 1.0%-1.2% of Mn, 0.015%-0.03% of Nb, 0.30%-0.40% of Mo, 0.06%-0.09% of Al, 0.0005%-0.0020% of B, more than or equal to 1.4% and less than or equal to 1.6% of Mn and Mo, and the balance of Fe and inevitable impurities. The production process flow comprises the steps of smelting, refining, slab continuous casting, casting blank heating and slow cooling, slab heating, controlled rolling, stacking and slow cooling (tempering), quenching and tempering heat treatment, flame temperature cutting and hot water slow cooling. And during flame cutting, thermal stress and structural stress formed in the cutting process of the thick steel plate are reduced through the cutting process of cutting with temperature and slow cooling with hot water after cutting, and the effect of no delayed crack after cutting is achieved. And the flame cutting delayed crack-free wear-resistant steel plate with the thickness of 40-80 mm and the surface Brinell hardness of 400 HB can be produced.

The invention provides a vertical position welding method for bridge steel. The vertical position welding method comprises the steps that 1, a groove is manufactured, specifically, the X-shaped groove without a truncated edge is manufactured in a vertical position mode through a flame cutting technology; and the groove is polished and derusted according to requirements. 2, preheating, wherein the bridge steel is preheated to 75 DEG C in an electric heating mode; and 3, welding, wherein solid welding wire argon-rich mixed gas shielded welding is adopted for vertical position welding. And 4, post-weld heat treatment is conducted, specifically, after welding is completed, post-heat treatment is conducted at 200-250 DEG C through a crawler-type heater, and slow cooling is conducted to the room temperature after heat preservation is conducted for 3 hours. By researching and developing a welding material and a welding process matched with the Q890qE high-strength bridge steel, the technical problem of quality of a Q890qE vertical position butt welding seam is solved. Welding forming is stable, efficiency is high, deformation is small, the appearance is good, strength and weather resistance are balanced, the service life is long, and economical efficiency and environment friendliness are both considered; the method is especially suitable for engineering scenes with strict requirements on strength, toughness and durability such as long-span bridges and alpine region bridges, and has remarkable economic advantages and social value.

The invention relates to a high-temperature-resistant pressing plate for a slab continuous casting flame cutting machine and a preparation method, and belongs to the technical field of special alloy materials and continuous casting equipment. The high-temperature-resistant pressing plate comprises the following chemical components in percentage by mass: 0.03%-0.04% of C, less than or equal to 0.75% of Si, less than or equal to 2.0% of Mn, less than or equal to 0.045% of P, less than or equal to 0.03% of S, 16.5%-17.5% of Cr, 12.5%-13.5% of Ni, 2.8%-3.2% of Mo, 0.4%-0.6% of Ti, 0.003%-0.005% of B and the balance of Fe and inevitable impurities. Wherein the mass fraction ratio of Ti to C is 8-10. Through the synergistic effect of component optimization, phase structure regulation and control and the preparation process of the high-temperature-resistant pressing plate, the high-temperature performance and stability of the high-temperature-resistant pressing plate are remarkably improved, the service life of the high-temperature-resistant pressing plate is remarkably prolonged, and therefore the technical problems of high-temperature softening deformation, insufficient material service life and the like of a traditional pressing plate are solved.

The invention relates to the technical field of plate hot cutting equipment, and provides a steel plate flame cutting device which comprises a rack, the rack is used for bearing a steel plate, a sliding frame is horizontally arranged on the rack in a sliding mode in the length direction, and a cutting piece is arranged in the extending direction of the sliding frame in a sliding mode; the exhaust housing is arranged on one side of the rack in the width direction, an air inlet of the exhaust housing faces the length middle axis of the rack, and the other side of the exhaust housing is communicated with the outside through an arranged exhaust pipeline. The multiple blocking covers are arranged in the air inlets in a lifting and sliding mode, a pushing part is arranged on the side end face of the sliding frame, and the sliding frame is configured in the mode that after sliding, the pushing part drives one blocking cover which abuts against the sliding frame in a sliding mode to ascend and slide, so that the local air inlets in the corresponding positions are opened. The multiple blocking covers are independently arranged in a lifting mode, so that the air inlet is only opened at the corresponding cutting position, the situation that air in a non-cutting area enters the exhaust housing is reduced, and the concentration ratio and efficiency of smoke collection are improved.

The invention provides an automatic common-edge cutting method, device and equipment of a numerical control flame cutting machine and a medium, and belongs to the technical field of plate thermal cutting. The method comprises the steps that trepanning programming software is adopted for typesetting, a cutting perforation point is determined, and a cutting starting code of the cutting perforation point is sent to the numerical control flame cutting machine; in a control system of the numerical control flame cutting machine, a jacking programming software board internal cutting and common edge cutting starting code is preset, and the numerical control flame cutting machine executes a corresponding cutting mode according to the received starting code. The types of the cutting points are accurately recognized based on the cutting perforation points, precise matching of cutting process parameters is achieved, the cutting efficiency is improved, the process parameters can be intelligently called by generating differentiated cutting initial codes, automatic adaptation of the cutting mode is achieved, and the cutting efficiency is improved by recognizing the cutting initial codes and precisely calling the corresponding cutting process parameters. And errors caused by manual intervention are avoided.

A simulated fixed-weight cutting data processing method based on a cognitive intelligent process model, the method comprising: mounting one hydraulic lifting platform scale per strand at a cooling bed transfer run-out table of a multi-strand continuous casting machine; each time after the platform scale performs weighing, feeding back weighing data to a fixed-weight cutting model; on the basis of the fixed-weight cutting model, using a mathematical calculation formula to calculate the length of a steel billet; issuing steel billet length information to a flame cutting machine for cutting, so as to obtain a cut steel billet; weighing the cut steel billet again by means of the platform scale, and calculating a length required for the next instance of steel billet cutting; ensuring that a process is continuously and circularly performed, and collecting a series of parameters in the above process; and studying dynamic relationships between the parameters and the mathematical calculation formula. The method improves the prediction accuracy of the weighing data. Further comprised are a simulated fixed-weight cutting data processing system based on a cognitive intelligent process model, and an electronic device and a computer-readable storage medium. The effect of simulating fixed-weight cutting is achieved, thereby ensuring the cutting accuracy.

The invention discloses an adjustable numerical control flame cutting machine, and relates to the field of flame cutting machines, the adjustable numerical control flame cutting machine comprises a supporting table, supporting plates are arranged on the supporting table, each supporting plate can move in the vertical direction, a starting part is arranged on one side of a sliding table, and when a cutting structure moves, under the cooperation of the starting part, the cutting structure can move in the vertical direction. A supporting plate located below a cutting torch of the cutting mechanism moves downwards, so that the supporting plate is far away from the plate to form a gap; the sliding table moves to trigger the supporting plate below the cutting area to automatically move downwards, so that a certain gap is formed between the supporting plate and a plate, slag cannot make contact with the surface of the supporting plate immediately, the slag can make contact with the supporting rack only after falling by a certain distance, the adhesion strength of the slag is remarkably reduced, adhesion cannot be too tight even if adhesion is conducted, later-period removal is easy, and the service life of the plate is prolonged. Meanwhile, only the supporting plate below the current cutting position is subjected to avoiding operation, frequent lifting of irrelevant areas is avoided, the supporting plate is protected, and the service life of equipment is prolonged.

The invention provides a dust removal cover, and relates to the technical field of scrap steel cutting dust removal. According to the dust removal cover, first limiting switches at SQ2-SQ7 positions are sequentially matched with first collision rods, so that an automatic walking assembly can be sequentially and accurately stopped in three corresponding fixed-point cutting areas; meanwhile, when the suction hood stops at the position, a second collision rod can just enable a heavy hammer rod of the heavy hammer flap valve to move to the highest position so as to automatically open a valve plate, and then the suction hood is communicated with the public flue to be matched with an induced draft fan and a dust remover, so that flame cutting and efficient dust removal can be performed on a local area of a scrap steel stacking and cutting area; in addition, two first limiting switches at the positions of SQ1 and SQ8 can be matched with a first sinker bar to limit the extreme movement positions of the two sides of the suction cover, the triggering directions of the first limiting switches at the positions of SQ1, SQ2, SQ4 and SQ6 are opposite to the triggering directions of the first limiting switches at the positions of SQ3, SQ5, SQ7 and SQ8, and then the suction cover does reciprocating motion to return to the stop position again for steel slag discharging.

The invention relates to the technical field of test tube processing, and provides a forming device for test tube processing, which is characterized by comprising a conveying roller way, a circulating conveying piece, a flame projector and an opening mechanism, the conveying roller way is used for intermittently conveying glass tubes, the flame projector is arranged below the conveying roller way, and the flame projector is used for heating the glass tubes; the circulating conveying piece is arranged at the discharging end of the conveying roller way, an opening mechanism used for supporting the inner circumferential wall of a glass tube bottle opening is arranged on the circulating conveying piece, the opening mechanism comprises a mounting ring frame rotationally connected to the circulating conveying piece and an opening rod arranged on the mounting ring frame in a sliding mode, and the conveying roller way comprises rollers. A main shaft of the mounting ring frame is parallel to a main shaft of the roller, and the opening rod is configured to move in the radial direction of the mounting ring frame after moving so as to abut against the inner circumferential wall of the bottle opening and drive the glass tube to rotate. According to the technical scheme, the technical problem that the bottom of the test tube is not flat easily when the test tube is cut by flame in the prior art is solved.

The present invention provides a billet flame cutting device and method, including a cutting assembly, a lifting assembly, and a storage rack. A first guide rail is provided below the cutting assembly, and the first guide rail is fixedly arranged. The cutting assembly is movably connected to the first guide rail. The storage rack corresponds to the position of the cutting assembly. A billet to be processed is arranged on the storage rack, and a corresponding lifting assembly is arranged below the billet to be processed. A limiting plate is fixedly arranged on the storage rack, and the limiting plate limits the side surface of the billet to be processed. The beneficial effects of the present invention are as follows: The cutting operation of the billet to be processed can be completed by a linearly moving cutting device, improving the work efficiency. The lifting assembly can lift the processed billet, making it easier to separate.

The invention relates to a production line for machining channel steel of an outer gantry of a forklift. The channel steel is provided with a notch, a roller mounting hole and a connecting hole. The production line comprises a first machining center, a feeding station, a first steering workbench, an information display system, a second machining center, a discharging station, a second steering workbench and a flame cutting station, the production line integrates multiple devices on one line, and machining of notches, roller mounting holes and connecting holes of outer portal channel steel can be completed on the production line; and the automation degree is high, the machining speed can be effectively increased, meanwhile, the labor cost is reduced, the machining cost is saved, meanwhile, the use cost of a user is reduced, and the use experience is improved. The production method of the production line for processing the outer portal frame channel steel of the forklift also has the advantages of improving the processing efficiency and reducing the processing cost. The production line comprises a production line body used for forklift outer portal frame channel steel machining and further comprises a middle inner portal frame channel steel machining production line.

The invention discloses a slag cleaning device of a numerical control flame cutting machine, which relates to the technical field of flame cutting machines and comprises a machine tool, flame cutting equipment is arranged at the upper part of the machine tool, a sword grid is fixedly mounted in the middle of the machine tool, and a cleaning mechanism is arranged at the lower part of the machine tool and is used for collecting and cleaning dropped slag. The scraping assembly comprises a dust collecting plate fixedly installed on the lower portion of the machine tool, screws are rotationally installed on the two sides of the machine tool, a driving motor is started to drive the two screws to synchronously rotate in the same direction through a synchronous belt wheel, and a sliding block limited by a sliding groove is forced to drive a scraping plate and a triangular plate to directionally move along the surface of the dust collecting plate; and the cooled slag is automatically scraped and pushed to the conveying belt, and finally the slag is conveyed out by the conveying belt in a centralized manner, so that automatic cleaning is realized, the cleaning efficiency is remarkably improved, the labor intensity and the safety risk are reduced, the cleanness of the area below the sword grid is ensured, and a guarantee is provided for continuous cutting operation.

The invention discloses flame cutting equipment capable of achieving multi-angle adjustment and adapting to a narrow space, and relates to the technical field of flame cutting, the flame cutting equipment comprises a cutting equipment body and a controller, the cutting equipment body comprises a shell, a driving assembly and a magnetic attraction assembly are arranged at the bottom of the shell, and the driving assembly is matched with the magnetic attraction assembly; the adjusting assembly and the cutting assembly are arranged on the shell, the magnetic attraction assembly can assist the cutting equipment body to move on magnetic metal, the adjusting assembly can adjust the angle of the cutting assembly, the recycling assembly is arranged outside the cutting assembly, and the recycling assembly can absorb redundant heat of the cutting assembly. The cutting equipment can be suitable for a narrow and small space, a worker can control the cutting equipment body in the narrow and small space from the outside, then precise cutting is conducted, meanwhile, when the cutting equipment is used for cutting, due to the fact that high temperature can be generated, the high temperature can be utilized through the recycling assembly, and the endurance of the cutting equipment body is prolonged.

The invention relates to a light rail type three-dimensional cutting device and a machining method thereof, and belongs to the technical field of steel structure cutting. The light rail type three-dimensional cutting device comprises a cutting main machine, a guide rail is arranged at the lower end of the cutting main machine, and electromagnet blocks magnetically connected with a workpiece to be machined are arranged on the two sides of the lower end of the guide rail; a cutting torch is arranged on the side edge of the cutting main machine, a transverse rack is arranged between the cutting torch and the cutting main machine, a cutting torch seat capable of transversely moving along the transverse rack is arranged between the transverse rack and the cutting torch, a vertical rack for driving the cutting torch to move up and down is arranged in the cutting torch seat, and a lifting knob meshed with the vertical rack in a tooth form mode is arranged on the cutting torch seat. The device has the advantages of compact structure, convenience in operation, good running stability, time saving and labor saving. Movement and flame size of the flame cutting gun are accurately controlled through a numerical control system, metal materials are cut through heat generated by combustion of oxygen and fuel gas, and the flame cutting device is suitable for cutting large-thickness carbon steel plates and low in cutting cost.

The utility model discloses a kind of anti-splashing numerical control flame cutting machine, including in-out material carrying assembly and anti-splashing component, the both ends inner side of in-out material carrying assembly is provided with rotating mechanism, and the upper inner side of the rotating mechanism is provided with bolt connection's cutting mechanism, the lower inner side of the rotating mechanism is provided with bolt connection's anti-splashing component, the anti-splashing component includes lower bolt base plate, lower screw rod, lower sliding block, lower hydraulic rod, recessed groove plate, magnetic lamination plate;The anti-splashing numerical control flame cutting machine makes lower sliding block run to suitable position after utilizing lower screw rod output operation, let lower hydraulic rod and the common operation of pneumatic push rack, so that recessed groove plate, magnetic lamination plate, convex strip are aligned in the opposite side of nozzle, so that effectively reach the acceptance of molten metal substance when cutting, and metal spark flame is shielded, to improve the comfort of working environment, reduce the difficulty of cleaning residue.

The utility model relates to the technical field of flame cutting machines, and discloses a steel structure numerical control flame cutting machine which comprises a longitudinal guide rail and a cross beam, end beams are connected to the two ends of the cross beam, the lower ends of the end beams are connected to the longitudinal guide rail through longitudinal walking mechanisms, a transverse guide rail is arranged on one side of the cross beam, and a plurality of sliding seats are detachably installed on the transverse guide rail. Each sliding seat is connected with a cutting gun through a lifting mechanism; supporting rods are arranged at the two ends of the top of the cross beam, a sliding beam is connected between the two supporting rods, the hanging pieces are arranged on the sliding beam in a sliding mode, each hanging piece comprises a U-shaped sliding piece and a hanging part, the U-shaped sliding pieces are connected to the sliding beam in a sliding mode, the lower ends of the U-shaped sliding pieces are connected with the hanging parts through connecting rods, and each hanging part comprises at least two hanging notches. Blocking pieces are detachably arranged on the two sides of the hanging notch. According to the air supply pipe, the using amount of the hanging pieces can be reduced, the blocking pieces are detachably arranged at the hanging notches of the hanging pieces, the air supply pipe is prevented from being disengaged, and the air supply pipe can conveniently penetrate out.

The utility model relates to the field of flame cutting machines, in particular to a flame cutting machine which comprises a track and a flame cutting machine body arranged on the track in a sliding mode, supporting seats are arranged at the two ends of the track, and the supporting seats are connected with the track in a rotating mode. The supporting seat comprises a magnetic suction cup and a top plate fixed to the upper end of the magnetic suction cup, a bevel protractor is embedded in the top plate, the center of the end of the rail is rotationally connected with the circle center of the bevel protractor through a rotating shaft, and a pointer is arranged at the inner end of the rail. According to the utility model, the cutting angle of the steel plate can be controlled, auxiliary lines are prevented from being carved for many times, the cutting machine is further prevented from being pulled to linearly move on the track, a cut seam can be ensured to be flat and vertical, and the quality of a welding seam and the appearance quality can be ensured during welding processing.

The invention provides a manufacturing method of a small-spacing three-web box beam, which comprises the following steps of: S1, blanking and processing: cutting by adopting a numerical control flame and plasma cutting technology, blanking at high precision according to a design size, reserving a machining allowance and a groove form, and polishing after cutting; s2, assembling and positioning are conducted, specifically, components are assembled on the jig frame through the upside-down mounting technology, and positioning of a top plate is completed firstly; positioning an inner side web plate and a middle web plate; pre-penetrating positioning of U ribs, longitudinal beams and anchoring partition plates is sequentially completed on the middle web; and finally, positioning of the outer side web is completed. S3, bending position welding forming is conducted, specifically, a side web and a top plate are welded at a bending position; after flaw detection is qualified, middle webs and a top plate are fixed through downward welding; u-shaped ribs and longitudinal beams are welded and fixed in a bending manner; welding a bottom plate, and fixedly connecting the bottom plate with the middle web plate, the anchoring partition plate and the side web plate in a welding manner; finally, the stiffening ribs and the support base plate are welded and anchored; s4, flame cutting process allowance; and S5, sanding and coating are conducted, and manufacturing is completed. High-quality welding manufacturing is achieved, and the method is suitable for popularization.

The utility model provides a steel flame cutting device, which relates to the technical field of steel processing and comprises a recovery mechanism, the recovery mechanism comprises a bottom plate, a cutting mechanism is arranged on one side of the bottom plate, a fixing shell is arranged at the top of the bottom plate, and a recovery box is arranged on the inner wall of the fixing shell. By means of the installed recycling mechanism and by pushing the push plate, chippings can be rapidly pushed into the filter holes and then stored in the storage box, the working area is effectively cleaned, the cleanliness of the working environment is kept, the push plate is matched with the sliding rail, accurate positioning movement can be achieved, it is ensured that the chippings are accurately pushed into the filter holes, and the working efficiency is improved. The chippings are prevented from overflowing or being retained in a working area, a worker can collect the chippings only by pushing the push plate, operation is easy and convenient, additional tools or complex operation steps are not needed, cutting operation does not need to be stopped, pause in work is avoided, and therefore the working efficiency is improved.

The utility model discloses an anti-deformation steel structural part cutting device, which relates to the technical field of steel structural part processing and comprises a mounting seat, a conveying belt, an adjusting mechanism, a side blocking mechanism, a three-axis manipulator, a flame cutter and a supporting mechanism, a mounting groove is formed in the mounting seat, so that the mounting seat is of a U-shaped structure, and a conveying belt is horizontally arranged on the mounting groove along the bottom surface of the mounting groove; the two sides of the mounting base are connected with the side blocking mechanisms through the adjusting mechanisms correspondingly, and the two side blocking mechanisms are symmetrically arranged in the mounting groove so as to limit the side portions of the steel structural part. The discharge end of the mounting seat is connected with a flame cutter through a three-axis manipulator; a set of supporting mechanisms is arranged at the feeding end of the mounting base, and the supporting mechanisms and the conveying belt are consistent in conveying direction and located on the same horizontal plane so as to support and convey the steel structural parts. According to the device, supporting, fixed-length and positioned cutting of the steel structural part is achieved, the cutting effect on the steel structural part is improved, and the generalization performance is high.

The utility model discloses a flame cutting positioning mechanism, and particularly relates to the technical field of flame cutting gun positioning, the flame cutting positioning mechanism comprises a gun body, a gun head is fixed at one end of the gun body, the flame cutting positioning mechanism has the beneficial effects that an annular block is inserted into an annular plate, the outer wall of a connecting column is inserted into a connecting groove, and meanwhile, a circular plate is connected with one side of the annular plate through glue; the limiting plate slides on the outer wall of the connecting rod until the limiting plate is in glue connection with the concave block, stable limiting installation between the gun body and the gun head is achieved through the device, the stability of connection between the gun head and the gun body is further enhanced, and the situation that the gun body shakes due to the fact that the gun head makes contact with an industrial cutting component is avoided; the transverse column and the outer wall of the square block are arranged in a penetrating and sleeving mode, stable installation between the top end of the concave block and the top plate is achieved, the gradient of the gun head and the perpendicularity of the gun body are conveniently guaranteed, and the flame cutting quality is improved.

The invention relates to the technical field of thermal cutting, in particular to a groove flame cutting torch device which comprises a mounting seat. The lifting shell is in transmission connection with the lifting driving assembly, and the lifting driving assembly can drive the lifting shell to ascend and descend; the main cutting torch fixing assembly is arranged on the lifting shell, and the main cutting gun is arranged on the main cutting torch fixing assembly; the transverse driving assembly is arranged on the lifting shell; the first transmission assembly is arranged on the lifting shell in the extending direction of the lifting shell; the first fixing assembly is connected with the first transmission assembly; the second transmission assembly is arranged on the lifting shell in the extending direction of the lifting shell; and the second fixing assembly is connected with the second transmission assembly. According to the device, automatic adjustment of the main cutting gun and the groove cutting position can be achieved, so that the adjustment efficiency is improved, and the quality after cutting can be guaranteed.

The invention provides a double-length cutting device and method for a continuous casting machine, and belongs to the technical field of steelmaking continuous casting equipment. The double-length cutting device of the continuous casting machine comprises a cutting unit, the cutting unit comprises a movable frame body, a primary flame cutting machine and a secondary flame cutting machine, the primary flame cutting machine and the secondary flame cutting machine are installed on the movable frame body, and the distance between the primary flame cutting machine and the secondary flame cutting machine can be adjusted in the running direction of a casting blank so that the double-length cutting requirement of the casting blank can be met; the multiple roller bed units are located below the cutting device, the multiple roller bed units are sequentially arranged at intervals in the casting direction, each roller bed unit is provided with a roller bed and an avoiding mechanism, the roller beds support the casting blanks, and the avoiding mechanisms drive the roller beds to move between the working position for bearing the casting blanks and the avoiding position for avoiding the cutting flame flow; and the synchronizing unit is arranged on the movable frame body, and the synchronizing unit controls the movable frame body to be synchronized with the moving casting blank. The equipment investment and workshop construction cost are greatly reduced, and the adaptability and economical efficiency of the continuous casting production line are enhanced.