441 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 utility model discloses a numerical control double-flame continuous casting width-adjusting hot slab cutting machine, which relates to the technical field of slab continuous casting cutting and comprises a pair of slide rails, a heavy cutting table fixedly arranged between the pair of slide rails, a numerical control flame cutting machine slidably arranged on the pair of slide rails, a laser transmitter arranged on one side of each slide rail and a laser receiver arranged on the other side of each slide rail. The laser emitter is started to generate two parallel rays on the plate blank, the two parallel rays can be irradiated on the plate blank through the laser emitter, the cutting position of the numerical control flame cutting machine is adjusted by referring to the laser rays on the plate blank, workers do not need to use a ruler to approach to carry out manual measurement, and the working efficiency is improved. The two cutting guns are controlled by the numerical control flame cutting machine to cut the obliquely-placed plate blank, the inclined plate blank does not need to be straightened, the position marked by the laser rays and the cutting position of the continuous casting cutting machine do not need to be compared in the cutting process, the accuracy of length measuring and sizing can be rechecked, and the cutting precision is guaranteed.

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 utility model discloses a slag cleaning device of a numerical control flame cutting machine, which comprises a cutting machine body, the top of the cutting machine body is provided with a sword grid, the front side and the rear side of the cutting machine body are rotatably connected with translation threaded rods, one side of the cutting machine body is fixedly provided with a translation motor, and the other side of the cutting machine body is fixedly provided with a motor. A moving block is connected to the middle of the translation threaded rod in a penetrating and threaded mode, the output end of the translation motor and one end of one translation threaded rod are fixedly installed, a supporting frame is fixedly installed at the top of the moving block, and lifting threaded rods are rotatably connected to the two ends of the top of the supporting frame in a penetrating mode; the lifting threaded rod is connected with a lifting cross arm located in the supporting frame in a penetrating and threaded mode. By arranging the translation threaded rod and the lifting threaded rod, the slag remover is conveyed to the position above the sword grid, automatic grinding treatment on the sword grid is achieved, and compared with traditional manual grinding, the grinding efficiency is high, the automation degree is high, and the labor intensity of operators is reduced.

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 discloses a flame cutting robot suitable for blowout out-of-control emergency rescue, and belongs to the technical field of well control emergency rescue. The flame cutting robot suitable for blowout out-of-control emergency rescue comprises a carrier structure and an engine unit; an arm body assembly; the feeding device is assembled on the arm body and is configured to be used for continuously supplying the cutting rope wound on the material storage disc body to the free end of the arm body assembly along a preset route so as to carry out operation; a heat shield body; an oxygen supply pipeline; the camera assembly is configured to acquire a field image; and a control terminal. The cutting robot composed of the carrier structure, the arm body assembly and the cutting rope assembly is arranged, movement of the cutting robot is achieved through the track structure in the carrier structure, continuous supply of the cutting rope in the storage disc body is achieved through the feeding device, and remote control and rescue operation can be conducted in cooperation with the camera assembly and the control terminal.

The invention relates to the technical field of flame cutting equipment, in particular to furniture hardware production and machining blank flame cutting equipment which comprises a flame cutting machine body, a supporting box is arranged at the bottom of the flame cutting machine body, main clamping mechanisms are arranged on the two sides of the supporting box, and auxiliary clamping mechanisms are installed on one sides of the main clamping mechanisms. The main clamping mechanism comprises a supporting table, one side of the supporting table is fixedly connected with a fixing ring, the outer ring face of the fixing ring is rotationally sleeved with a rotating ring, one side of the fixing ring and one side of the rotating ring are rotationally connected with a large limiting block and a small limiting block, and a clamping rod is slidably arranged between the large limiting block and the small limiting block in a sleeving mode. The arc-shaped block is fixedly connected with a small threaded rod, and the small threaded rod is mounted in a limiting sleeve; through the arrangement of the main clamping mechanism and the auxiliary clamping mechanism, a workpiece can be quickly clamped and fixed, the problem that mounting and dismounting are troublesome through an arc-shaped pressing plate is avoided, and meanwhile, workpieces with different diameters can be conveniently clamped and fixed.

The utility model discloses a flame cutting device for steel plates, which relates to the technical field of steel plate cutting, and comprises a square frame fixedly installed in a ground foundation pit, a grille for bearing steel plates installed on the inner wall of the square frame, the grille comprising a plurality of equally spaced rollers, the two ends of the rollers being rotatably installed between two opposite side walls of the square frame, the highest point of the rollers being flush with the highest point of the square frame, a track being placed on the steel plate, a cutting vehicle being movably installed on the track, a flame cutting head being installed on the cutting vehicle, a slag blocking structure being installed on the grille, the slag blocking structure comprising two relatively arranged baffles, the waist of the baffles being slidably matched with the rollers, a round hole being opened on the side of the waist of the baffles, and the round hole being matched with the rollers. The utility model grille is composed of a plurality of rollers, so that the loading and unloading of steel plates thereon is more labor-saving, and compared with the design of a plurality of partitions in the prior art, the service life is longer, and the slag blocking structure can shield the waste slag to prevent the waste slag from splashing and injuring the workers.

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.

The invention relates to the technical field of steel plate machining, in particular to a steel plate equal-interval cutting machine for producing a tray type bridge and a cutting method thereof.The steel plate equal-interval cutting machine comprises a machine tool and a portal frame arranged on the machine tool, a sliding groove is formed in the portal frame, a rotating rod is horizontally and movably arranged in the sliding groove, and a flame cutting gun is installed on the rotating rod; a reciprocating assembly connected with the rotating rod is arranged on the portal frame, a deflection assembly is arranged between the portal frame and the rotating rod, a conveying assembly is arranged on the machine tool, and a driving assembly connected with the conveying assembly and the reciprocating assembly is arranged on the machine tool. Under the mutual mechanical cooperation of the driving assembly, the conveying assembly, the reciprocating assembly, the speed increasing transmission structure and the deflection assembly, steel plate raw materials are cut at equal intervals, and when the flame cutting gun moves to the two sides of a machine tool after cutting the steel plates, the flame cutting gun can be lifted and deflected towards the center of the machine tool, so that the cutting efficiency is improved. Not only is machine tool damage avoided, but also the risk that personnel are scalded is reduced, and the safety performance is improved.

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 relates to the technical field of offshore wind power generation pipe pile manufacturing, in particular to a welding method of an offshore wind power large and thick steel plate barrel, which comprises the steps of beveling, barrel rolling, preheating, positioned welding, backing welding, inner groove welding, carbon arc air gouging back gouging and outer groove welding. Flame cutting is matched with mechanical milling to manufacture a semi-narrow gap groove, the sectional area of the groove is improved, the semi-narrow gap submerged arc automatic welding process is achieved, and the welding efficiency is improved. Due to the V + U-shaped design of the inner groove, the good fusion ratio of the root is guaranteed, and the defects of incomplete penetration and hot cracks of the root are reduced; and the back gouging depth of an outer side welding seam is reduced, the labor intensity of an operator is reduced, the mechanization degree is improved, carbonization of a base metal groove is reduced, and the internal welding quality is improved. The V + U-shaped groove form is easy to weld, the groove is regular, and the appearance is attractive; compared with a traditional V-shaped groove, the angle of the V + U-shaped groove is smaller, the filling amount of welding materials is reduced, and the production cost is saved.

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 utility model discloses a flame cutting auxiliary device which comprises a slag water tank, a filter plate is arranged in the slag water tank, lifting mechanisms are arranged on the two sides of the upper end of the slag water tank, a smoke dust collecting mechanism is arranged on the slag water tank, each lifting mechanism comprises a rolling wheel base, a rolling wheel is arranged in the rolling wheel base, and a smoke dust collecting mechanism is arranged on the smoke dust collecting mechanism. A winding wheel is arranged on the base, a winding rope is wound on the winding wheel, one end of the winding wheel is connected with a motor, and the smoke dust collecting mechanism comprises a first smoke collecting hood, a second smoke collecting hood, a smoke dust collecting box and a filtering box; according to the flame cutting auxiliary mechanism, the slag water tank, the filter plate, the lifting mechanism and the smoke dust collecting mechanism jointly form the flame cutting auxiliary mechanism, a large amount of slag generated in the flame cutting process is received through the slag water tank and cooled and collected, follow-up slag recycling treatment is facilitated, smoke dust is collected through the smoke dust collecting mechanism, and the smoke dust collecting efficiency is improved. The filtered airflow is discharged through a pipeline, so that the workshop environment is prevented from being polluted by smoke dust, and the influence on other equipment is avoided.

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 an intelligent blank removing system and method for abnormal blanks in a continuous casting square blank process, and belongs to the technical field of chemical metallurgy. The system comprises a control module in signal connection with a continuous casting machine through a wire, and the control module is in signal connection with a parameter acquisition module, a process requirement rule base, an alarm module, a positioning module and an identification module through a signal transceiver. According to the intelligent blank removing system for the abnormal blanks in the continuous casting square blank process, parameters are collected in real time through the parameter collection module, and according to preset process parameters, when parameter abnormity occurs, the control module controls the alarm module to give an alarm, the alarm module records the parameters, and positioning is conducted through the positioning module; and then the control module controls the flame cutting machine to optimally cut the corresponding abnormal steel billets, normal parts in the abnormal steel billets are reserved to the maximum extent, the marking module marks the abnormal steel billets after cutting, follow-up screening is facilitated, the product quality is improved, and meanwhile cost waste is reduced.

The invention discloses a metal plate flame cutting machine capable of automatically discharging slag, and relates to the technical field of flame cutting machines, the metal plate flame cutting machine comprises a collecting box, guide assemblies are arranged on the two sides of the top end of the collecting box, a fixing frame is in threaded connection with the outer sides of the guide assemblies, and a mounting box is arranged at the upper end of the inner side of the fixing frame; a cutting assembly is fixedly connected to the left side of the mounting box, and an automatic slag discharging mechanism used for cleaning the transverse containing frame is arranged in the fixing rod. According to the flame cutting machine capable of automatically discharging slag for the metal plate, after the metal plate is cut, a scraping plate is driven to reset through the elastic force of a spring in the automatic slag discharging mechanism, then residues left on the surface of the transverse containing frame are scraped through the attaching effect between the scraping plate and the side edge of the transverse containing frame, and automatic slag discharging is achieved; and automatic slag discharging of the flame cutting machine is achieved through mutual cooperation of a scraper, an extension rod and a fixing rod, and therefore metal slag accumulation on the surface of the transverse containing frame is effectively reduced.

The utility model discloses a flame cutting device for a large-diameter steel pipe, which is applied to the machining process of a large-diameter spiral welded steel pipe, is more stable in the cutting process by arranging a triangular spherical positioning mode, and is more stable in the cutting process by matching with an elastic buffer structure and an adjusting control structure at the rear end. Meanwhile, the distance between a cutting gun of the flame cutting device and the surface of the steel pipe is kept consistent all the time, and the flame cutting device is not influenced by factors such as large caliber, overall out-of-roundness and large outer diameter deviation of the steel pipe, so that the end face of the pipe is flush during cutting, the pipe orifice and the groove angle are consistent, and the cutting efficiency is improved. And the requirement of directly performing butt welding after the steel pipe is cut is met.