4952results about "Shearing machine accessories" patented technology

The invention belongs to the technical field of slitting machines, and particularly relates to a metal coil stock slitting machine which comprises a base and a fixed machine frame arranged on the base, two shearing rollers are rotationally arranged on the fixed machine frame, a gear set is arranged between the shearing rollers, a movable machine frame is arranged on the base in a sliding mode, the movable machine frame is movably connected with the shearing rollers, and the gear set is arranged between the shearing rollers. A plurality of cutterheads are arranged on the shearing roller in a sleeving manner, and embedded blocks are arranged on the cutterheads; according to the metal coil stock slitting machine, the position of the limiting piece can be rapidly adjusted through cooperation of the pull rod, the adjusting mechanism and the lifting plate, and therefore flexible switching of three states of preliminary fixing, complete fixing and non-fixing of the cutter head is achieved. According to the design, the position of the cutterhead can be rapidly adjusted and stably fixed, the step of installing a cutter separating sleeve is omitted, the increasing and decreasing operation and the position adjusting process of the cutterhead become simple and efficient, and complex dismounting and mounting procedures are not needed.

The utility model discloses an auxiliary tension bracket for slitting and cutting a silicon steel coiled material, which belongs to the technical field of slitting machine tension brackets, and comprises a slitting machine, a cutter arranged on the slitting machine, support frames arranged at one end of the slitting machine and oppositely distributed, and a support seat arranged between the two support frames, limiting rollers and positioning blocks used for supporting are distributed at the upper end of the supporting base at equal intervals, supporting plates are fixedly installed at the upper ends of the positioning blocks, and an adjusting mechanism is arranged between the two supporting frames. A metal plate is conveyed to the supporting plate through the slitting machine, the servo motor is started to drive the two-way lead screw to rotate, the oppositely-distributed movable plates are made to be close to each other till the limiting rollers are close to the side edge of the metal plate, and at the moment, the slitting machine continues to convey the metal plate. And the tension bracket is fast to adjust, manual approaching is not needed, and potential safety hazards caused by approaching of workers to mechanical equipment are avoided.

The invention discloses a galvanized steel sheet blanking and shearing device and a working method thereof, and relates to the technical field of shearing devices. According to the galvanized steel sheet blanking and shearing device and the working method thereof, the galvanized steel sheet blanking and shearing device comprises a shearing machine main body, a lower shearing knife arranged on the shearing machine main body and an upper shearing knife vertically arranged on the shearing machine main body, a dynamic material supporting mechanism is arranged on the shearing machine main body, and the dynamic material supporting mechanism comprises a first rotating seat and a second rotating seat, and the two first rotating seats are arranged on the shearing machine main body. Through the design of the dynamic material supporting mechanism, accurate dynamic material supporting of a sheared steel plate is achieved, and the problems of shearing opening size deviation, stress concentration and the like caused by the fact that the steel plate droops due to gravity in the existing shearing process are solved; the material supporting assembly synchronously ascends at the moment of shearing, it is ensured that the steel plate is supported in time, and falling deformation or impact on equipment is avoided.

The invention is suitable for the technical field of copper pipe cutting, and provides a copper pipe cutting device and method for refrigeration air conditioner machining, the copper pipe cutting device for refrigeration air conditioner machining comprises a workbench, a limiting seat is arranged on the workbench, and clamping mechanisms used for fixing a copper pipe are arranged on the two sides of the limiting seat; the workbench is fixedly connected with a supporting frame, the supporting frame is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is fixedly connected with a fixing frame, the fixing frame is connected with a limiting mechanism, and the limiting mechanism can vertically limit a copper pipe; buffering assemblies are fixedly connected to the two ends of the electric telescopic rod correspondingly, and a cutting assembly is horizontally limited between the two buffering assemblies. According to the method, the regulation and control analysis model fuses vibratology, thermodynamics and the material processing principle, real-time quantitative prediction of'cutting precision 'which cannot be directly observed is achieved through measurable parameters, and a theoretical core is provided for intelligent manufacturing.

The invention provides an aluminum material shearing machine pressure self-adjusting feeding system based on synchronous rollers, relates to the technical field of aluminum material shearing machines, and adopts three synchronous rollers to be mounted in a mounting groove in the surface of a turntable through a movable block, a pneumatic telescopic rod and a pressure sensor in a combined manner to form multi-point support and tension control on an aluminum material. The console collects an extrusion force signal output by the pressure sensor in real time, calculates an actual pressure value in the horizontal direction through a pressure decomposition algorithm in combination with a turntable angle output by the angle sensor, compares the actual pressure value with a preset tension threshold value to generate an error signal, and drives the pneumatic telescopic rod to dynamically adjust the position of the synchronous roller; and when the error exceeds a set range, the servo motor can be controlled to adjust the angle of the turntable, and the wrapping angle of the synchronous roller is changed to realize tension compensation. The conveying tension of the aluminum material under the complex working condition is kept stable, the conditions of loosening, wrinkling, deviation and too tight snapping are avoided, and therefore the stability of the aluminum material in the conveying process and the follow-up shearing precision are improved.

The invention belongs to the technical field of constructional engineering construction, and provides pipeline cutting equipment for constructional engineering construction, which comprises an operation table, two groups of mounting plates are arranged at the top of the operation table, mounting rings are fixedly connected to the upper parts of the two groups of mounting plates, and clamping assemblies for clamping pipelines are arranged in the mounting rings. An adjusting assembly used for adjusting the positions of the mounting plates and the mounting rings is arranged at the joint of one mounting plate and the operation table, a mounting base is fixedly connected to one side of the operation table, and a cutting machine is mounted at the top of the mounting base. According to the pipeline cutting device, pipelines with different diameters and lengths can be supported and clamped, the cutting length of the pipeline can be determined through the positioning plate, and compared with manual measurement, the pipeline cutting device is more accurate and simpler and more convenient to operate.

The utility model discloses a pipe fitting cutting device for preparing a circular pipe truss, which comprises a support frame, a support table top is arranged at the upper end of the support frame, pipe fitting clamping seats are arranged on the two sides of the upper end of the support table top, each pipe fitting clamping seat comprises a lower support, an upper support frame, a side support frame and a locking seat, the upper support frame is hinged to the upper end of the lower support frame, and the side support frame is hinged to the lower end of the upper support frame. According to the pipe fitting cutting device, through cooperation of the upper supporting frame and the lower support and use of the upper pressing base, stability of a pipe fitting in the cutting process is guaranteed, cutting deviation caused by movement of the pipe fitting is avoided, the cutting precision is remarkably improved, and the cutting efficiency is improved. And through cooperative work of the moving set, the adjusting set and the cutting-off set, it is guaranteed that the pipe cutter accurately cuts the pipe. And through automatic control of the driving air cylinder and the lifting adjusting air cylinder, the manual adjusting time is shortened, and the continuity and speed of cutting operation are improved.

The invention discloses a two-chuck zero-tailing pipe cutting machine, and relates to the technical field of metal pipe machining equipment, the two-chuck zero-tailing pipe cutting machine comprises a cutting workbench, a clamping device and a feeding chuck, the clamping device is arranged on the cutting workbench, the clamping device comprises a working chuck, a first fixing plate and a second fixing plate, the working chuck is in bolt connection with the first fixing plate, and the first fixing plate is in bolt connection with the second fixing plate; a first sliding plate is in bolted connection with one side of the top of the first fixing plate, a visual sensor is fixed to the middle of the top of the first fixing plate, a first pushing block is slidably connected to the top of the working chuck, a rack is fixed to one side of the first pushing block, and the two sides of the first pushing block are slidably connected with the first sliding plate and the first fixing plate correspondingly. A first clamping jaw is connected to the top of the first pushing block through a bolt, a protection block is fixedly connected to the top of the first clamping jaw, two first air cylinders are arranged in the protection block, a piston rod is arranged in each first air cylinder, and a pressurizing clamping jaw is fixed to the top of each piston rod.

The invention discloses efficient cutting equipment for aluminum alloy thin-wall part production, and belongs to the technical field of cutting equipment.The efficient cutting equipment comprises a base, a cutting mechanism, a positioning mechanism and a cooling mechanism are arranged at the top of the base, and the cutting mechanism comprises a connecting cylinder, a rotating cylinder, two mounting frames and two cutting discs; and a transverse shaft and a vertical shaft are rotationally mounted in the mounting frame. Through the synergistic effect of the cutting mechanism, the positioning mechanism and the cooling mechanism, the machining efficiency and quality are remarkably improved, the composite motion mode of rotation and circumferential feeding of the double cutting discs is adopted, the radial feeding speed which is dynamically adjusted is combined, cutting loads are evenly distributed, and vibration and stress concentration are reduced; the cooling mechanism realizes precise cooling through an injection system synchronously tracking the cutting position, and thermal deformation and oxidation are inhibited; an infrared thermometer and a pressure sensor are integrated to monitor the temperature and the cutting resistance of the cutter in real time, the rotating speed and the feeding amount are adjusted in a self-adaptive mode based on feedback signals, and overload and overheating are avoided.

The invention discloses a stainless steel coiled plate slitting device for building decoration, and relates to the technical field of metal cutting, the stainless steel coiled plate slitting device comprises a moving assembly, and the top of the moving assembly is fixedly connected with a conveying assembly, a cutting assembly and a rolling assembly. According to the stainless steel coiled plate slitting device for building decoration, three rubber strips make alternate contact with a stainless steel coiled material by rotating a conveying roller, so that the advantage of automatic stretching and feeding of the stainless steel coiled material is achieved, a hydraulic rod is started, a cutting knife cuts the stretched stainless steel coiled material, and after cutting is completed, the stainless steel coiled material is cut by a cutting knife. The two connecting rods and the two supporting rods are driven to move upwards, meanwhile, the lifting rod rolling wheels are driven to move upwards, the lifting rod rolling wheels jack up the discharging top plate after making contact with the discharging top plate, at the moment, the discharging top plate rotates with the circle center of the fixing rod as the rotating center, the discharging top plate forms an inclined face, and therefore the effect that the cut stainless steel coiled materials are automatically discharged can be achieved.

The invention relates to the field of data processing, in particular to an intelligent deviation correction method and system for strip steel tailoring, and the method comprises the steps: firstly obtaining and smoothing deviation contour data of strip steel in real time; then, by calculating the local variation energy of the second derivative of the deviation profile, identifying the region with the form having significant change, and further calculating the feature scale of the region; then, dynamically generating a self-adaptive analysis window according to the feature scale of the macroscopic deviation; and finally, utilizing low-order polynomial regression in the window to accurately decouple the complex deviation form into basic parameters such as translation, inclination, C-shaped bending and S-shaped bending, and transmitting the basic parameters to a controller so as to realize rapid and accurate differential deviation correction. According to the method, the macroscopic deviation is identified by calculating the local variation energy and the feature scale, the adaptive analysis window is constructed, and the deviation form is decoupled by using local polynomial regression, so that accurate control is realized.

The utility model discloses an automatic metal hose grabbing and cutting device which comprises a workbench, a hose guide seat, a lifting mechanism and a grabbing mechanism, the lifting mechanism and the grabbing mechanism are both arranged on the surface of the workbench, the lifting mechanism comprises a lifting support, a lifting motor and a lifting plate, the lifting motor is fixed at the top of the lifting support, and the lifting plate is fixed at the bottom of the lifting support. The output end of the lifting motor penetrates through the top of the lifting support, extends downwards and is connected with a lifting plate, guide rods are arranged at the positions, located on the two sides of the lifting motor, of the top of the lifting support, the lifting plate is arranged on the guide rods in a sliding mode, and the bottom of the lifting plate is connected with a hose cutter. A tool apron is arranged on the portion, below the hose cutter, of the workbench, the grabbing mechanism comprises an X-direction driving device and a first Y-direction driving device, and the first Y-direction driving device is connected with a first pneumatic clamping finger. According to the scheme, the metal hose can be automatically grabbed to the cutting position through the grabbing mechanism, and manual operation is not needed.

The invention relates to the technical field of cutting equipment, and discloses a numerical control cutting machine tool which comprises a base table, a bearing table is fixedly connected to the upper portion of the base table, a cutting table is fixedly connected to the outer wall of a shaft rod of the bearing table, a cutting line groove is longitudinally formed in the center of the cutting table, and a wheel clamping piece is arranged on one side of the cutting table. A cutting wheel is rotationally connected to the inner wall of the wheel clamping piece, the cutting wheel can transversely move and slide along the inner wall of the cutting line groove, an inclined assembly is arranged at the bottom of the cutting table and used for driving one end of the cutting table to tilt, and a water spraying assembly is arranged on the side upper portion of the cutting table. And the chippings accumulated on the upper surface of the plate in the cutting process can be more efficiently removed in cooperation with the water spraying assembly, and the cleaning effect is improved.

The invention discloses a cutting and polishing device for an automobile cooling water pipe, and relates to the technical field of pipe fitting machining, the cutting and polishing device comprises a base, two fixing plates and two moving parts are symmetrically arranged on the two sides of the upper end of the base, the two moving parts are located between the two fixing plates, and driven parts and gears are rotationally installed on the moving parts; and two clamping pieces used for fixing a pipe fitting are symmetrically installed in the driven piece, driving structures are installed on the two fixing plates, the driving structures are connected with the gear and drive the gear to rotate, the gear is connected with the driven piece in an engaged mode, and a first through pipe opening is formed in the middle of each fixing plate. The relative distance between the two moving parts is adjusted through the moving structure arranged on the base, so that the pipe fitting cutting device can adapt to pipe fittings with different lengths, the pipe fittings with proper lengths can be cut in the follow-up process, and the universality and flexibility of the device are improved.

The utility model discloses a quick cutting device for machining mechanical parts, which comprises a machining table, a fixing mechanism is arranged in the machining table, a cutting mechanism is arranged at the top of the machining table, and the cutting mechanism comprises a cutting assembly, a cutting assembly and a cutting assembly, the top of the supporting plate enables a moving plate to slide through an adjusting assembly, the bottom of the moving plate is rotationally connected with a rotating rod, the surface of the rotating rod is fixedly connected with a connecting plate, and the front side of the connecting plate is fixedly connected with a cutting motor. According to the rapid cutting device for machining the mechanical parts, the cutting mechanism is arranged, and the cutting angle of the cutting blade is freely adjusted under the driving of the driving motor, so that the cutting device can be suitable for various mechanical parts, rapid cutting operation at different angles is achieved, and the working efficiency is improved.

The present invention discloses a metal profile cutting device, comprising a base plate, a cutting groove is provided on the top of the base plate, two driving rollers are rotatably installed on the top of the base plate, a first mounting bracket is rotatably installed on one side of the base plate, a first connecting rod is slidably installed in the inner cavity of the first mounting bracket, one end of the first connecting rod is fixedly connected to a protective sleeve, a cutting blade is rotatably installed in the inner cavity of the protective sleeve, a fourth motor is fixedly installed on one side of the protective sleeve, and an output shaft of the fourth motor is fixedly installed on the cutting blade; it also includes a cooling mechanism for cooling the cutting blade; the cutting blade is moved upward by the first connecting rod, and the first connecting rod moves upward with the rubber plug through the second connecting rod, at this time, the coolant at the top of the rubber plug will be sprayed to the cutting blade through the water spray pipe to achieve cooling, and when the first connecting rod moves downward, the coolant at the bottom of the rubber plug enters the top of the rubber plug, waiting to be sprayed to the cutting blade from the water spray pipe to cool the cutting blade.

The invention provides an aluminum strip shearing fine adjustment structure based on visual data, and relates to the technical field of aluminum strip shearing, the aluminum strip shearing fine adjustment structure comprises a shearing table, a material receiving roller set is installed in the middle of the shearing table, and a first material rolling roller set and a second material rolling roller set are installed on the two sides, close to the material receiving roller set, in the shearing table correspondingly; a smoothing roller set is installed at the bottom, close to one side of the material collecting roller set, in the shearing table, the smoothing roller set is attached to the material collecting roller set, and a material passing roller set is installed at the bottom, close to one side of the smoothing roller set, in the shearing table. According to the scheme, the cutter abrasion monitoring probe is used for shooting the surface of the cutter in real time in five frames per second, the main control machine is combined with template matching and a deep learning model to accurately recognize abrasion, when the depth of a notch is larger than 0.2 mm or the width of a cutting edge is increased by more than 5%, the cutter sleeve is automatically triggered to rotate by 180 degrees, and cutter replacement is completed through cooperation of the micro air cylinder, the micro motor and the servo motor.

The invention relates to the technical field of shearing machines, in particular to aluminum veneer continuous shearing equipment which comprises a moving platform, a portal frame moving synchronously with the moving platform is assembled on the surface of the moving platform, and a cutter assembly used for shearing aluminum veneers is assembled below the portal frame; by arranging the moving platform, the moving frame and the tool rests, in the moving process of the moving frame and the moving platform, the tool rests are unlocked through the mounting assembly, the pushing assembly pushes the non-working tool rests to move, the continuously-working tool rests are extruded into the empty moving frame, and the non-working tool rests move into the mounting base; the cutter is fixed through the mounting assembly, and the conversion operation of the cutter can be realized in the moving process; meanwhile, when the abrasion loss of the tool exceeds a threshold value after the tool works for a certain time, the tool switching operation is switched into the tool changing operation in the non-stop state, and finally the continuous shearing operation of cleaning, heat dissipation and tool changing of the aluminum veneer in the non-stop state is achieved.

The present invention discloses a lathe for manufacturing vacuum rollers for papermaking machines, which relates to the technical field of cutting equipment and comprises a bed, a tool holder fixedly provided at the top middle portion of the bed, an annular cutting knife rotatably provided on the inner side of the tool holder, the blade of the annular cutting knife facing the center of the circle; a cutting mechanism for controlling the annular cutting knife to cut the roller blank; and a rotating mechanism for rotating the workpiece to increase cutting efficiency. The lathe for manufacturing vacuum rollers for papermaking machines changes the tool and cutting method of the existing cutting lathe, replacing the circular cutting knife with an annular blade, thereby increasing the contact area between the blade and the inside of the workpiece when cutting the cylindrical roller blank, thereby increasing the cutting efficiency. During the cutting process, the workpiece is also slowly rotated, so that the blade can cut all surfaces of the workpiece, which not only avoids the blade from doing work in vain, but also increases the efficiency of the cutting process.

The invention relates to the technical field of metal cutting, and particularly discloses a metal cutting device for cutting a steel skeleton PE pipe, the metal cutting device comprises a workbench and a cutting knife, one side of the workbench is fixedly connected with a vertical stand column, one side of the stand column is slidably provided with the cutting knife, and the two sides of the workbench are fixedly connected with symmetrical extension tables; two rhombic first sliding grooves are formed in the top of the extension table, rhombic sliding strips are slidably connected into the two first sliding grooves, one ends of the two sliding strips are fixedly connected with the bottom of a triangular frame, a fixing block is fixedly connected to the top end of the triangular frame, a horizontal rod is fixedly connected to the side, close to the cutting knife, of the fixing block, and a second screw rod is slidably connected to one side of the horizontal rod; one side of the second screw is in threaded connection with a first supporting block, and the tail end of the second screw is fixedly connected with a second supporting block. The two ends of the PE pipe and the inner walls of the two sides of the cut-off face are supported and fixed through the first supporting blocks and the second supporting blocks, and the cutting quality is guaranteed.

The utility model discloses a metal pipe fixed-length cutting device which comprises a machine frame and a cutting machine body formed by a cutting machine arranged on the machine frame, the machine frame comprises a cutting table arranged on the machine frame, a clamping assembly arranged on one side of the cutting machine on the cutting table and a feeding assembly arranged in the machine frame, the clamping assembly comprises a first clamping piece and a second clamping piece which are arranged at the two ends of the cutting table and distributed in the cutting direction of the cutting machine. And the feeding assembly comprises a detection assembly and a third clamping piece, and the third clamping piece is arranged between the first clamping piece and the second clamping piece on the cutting table, is connected with a driving part arranged in the rack through a fixing base and drives the third clamping piece to slide. The cutting accuracy and uniformity of the metal pipes in the corresponding length are improved, meanwhile, the positioning stability in the metal pipe cutting process is guaranteed, and the cutting effect and cutting efficiency of the metal pipes are further improved.

The invention discloses a three-chuck zero-tailing pipe cutting machine, and relates to the technical field of pipe machining equipment, the three-chuck zero-tailing pipe cutting machine comprises a rack and a middle chuck, the middle chuck is located on the rack, the middle chuck comprises two sets of first clamping jaws and two sets of second clamping jaws, the top of each set of first clamping jaws is fixedly connected with a protection block, and a first air cylinder is arranged in each protection block; three sets of driving wedge blocks are fixed to the inner side of the first air cylinder, each set of driving wedge blocks are horizontally arranged in the vertical direction of the axis of the first air cylinder, one side of each set of driving wedge blocks is in contact connection with a driven wedge block, the inclined face of each driven wedge block is matched with the inclined face of the corresponding driving wedge block, and a pressurizing clamping jaw is fixed to one side of each driven wedge block. An air inlet pipe and an exhaust pipe are arranged on the outer side of the first air cylinder, a baffle is connected to the outer side of the protection block through bolts, the air inlet pipe and the exhaust pipe penetrate through the baffle, and through holes are formed in the two ends of the protection block.

The invention relates to the technical field of steel pipe shearing, and discloses a steel pipe cutting device for civil engineering construction, which comprises a cutting part, the cutting part comprises a workbench, a cutting bracket is slidably connected to the interior of the workbench, a cutting blade is rotatably connected to the interior of the cutting bracket, and a blade avoiding groove is formed in the upper surface of the workbench; and the placing part comprises a placing groove formed in the upper surface of the workbench, and a vertical groove communicating with the surface of the inner wall of the placing groove is formed in the workbench. The steel pipe cutting device for civil engineering construction can effectively solve the problems that in the prior art, a grinding wheel cutting machine is matched with a right-angle ruler and a measuring tape for manual cutting in medium and small-sized projects, manual operation depends on experience of workers, deviation between an actual cutting face and normal cutting is large, and cutting precision cannot meet the direct installation requirement of the project easily; follow-up manual polishing and correction are needed, and time consumed by reworking of a single steel pipe is increased.

The invention relates to the technical field of splitting guide roller devices, and particularly discloses a width-adjustable silicon steel coil splitting splitting guide roller device which comprises a first bottom plate, first frames in a symmetrical state are fixedly mounted on the upper end face of the first bottom plate, and conveying steel belts are rotatably mounted on the inner sides of the first frames; a connecting disc is arranged above the conveying steel belt, and second sliding rods are fixedly installed at the center positions of the front end face and the rear end face of the connecting disc. In the using process, the first sliding rod can be driven to rotate synchronously through the second groove rotating wheel, the follow-up structure can be driven to rotate synchronously in the rotating process, and in the rotating process, on one hand, passing silicon steel coiled materials can be conveyed and limited, and on the other hand, on the other hand, the silicon steel coiled materials can be conveyed and limited through the second groove rotating wheel. And the distance between the front first sliding rod and the rear first sliding rod can be increased or decreased under the action of a movable plate, so that the distance between the two first sliding rods can be changed, and the device can be suitable for different silicon steel coiled materials.

The invention relates to the technical field of industrial cutting control, and discloses a double-end cutter intelligent cutting control system for industrial production. The system comprises a material characteristic analysis module, a cutter key part monitoring module, a cutting object state monitoring module, a cutting state judgment module and a control strategy generation module. The material characteristic analysis module acquires and analyzes attribute information of a target material in real time and generates a material abnormal signal; the cut-off knife key part monitoring module monitors the state of the key part of the double-end cut-off knife and generates a key part evaluation value; the cut object state monitoring module monitors the cut object state and generates a cut object evaluation value; the cutting state judgment module receives the signal and the evaluation value, evaluates the running state of the cutting system, and generates a constant or variable parameter signal; and the control strategy generation module generates a cutter speed or path parameter to be regulated and controlled according to the signal. The system can improve the cutting precision and efficiency, and guarantees the stable operation of the cutting process.

The invention discloses a winding and cutting device, and relates to the field of winding and cutting processing equipment, the winding and cutting device comprises a cutting platform, one end of the cutting platform is provided with a winding support, the cutting platform is provided with a flattening roller structure, an interval pressing device and a cutting device, the flattening roller structure comprises two flattening rollers which are parallel up and down and are arranged side by side, and the cutting device is arranged on the flattening roller structure. The interval pressing device comprises a base and a pressing block, the cutting device comprises a lower cutting edge and an upper cutting edge, an edge cutting device is arranged between the interval pressing device and the cutting device, the edge cutting device comprises a cutting set and a trimming set, the cutting set comprises a cutting disc, and the trimming set comprises a trimming disc. The trimming set comprises a trimming disc. The cutting set can cut the edge of an unfolded coiled material, and flaws generated on the edge during interval pressing and coiling are removed; and the arranged trimming set can help the edge of the coiled material to recover to be flat after edge cutting.

The invention relates to the field of metal pipeline machining, and discloses a steel-in-steel heat preservation steel pipe machining device which comprises a spindle box and further comprises a hydraulic driving mechanism, the hydraulic driving mechanism comprises a fixing cylinder installed at the top of the spindle box, and the two ends of the outer surface of the fixing cylinder fixedly communicate with first communicating pipes; a first telescopic rod is installed at the top of the fixing cylinder, and one end of a first communicating pipe is fixedly connected with a limiting and centering mechanism. According to the device, inner cavities of all second containing columns are communicated through second communicating pipes, a first telescopic rod is used for driving a piston downwards so as to extrude hydraulic oil in an inner cavity of a fixing barrel and an inner cavity of a first communicating pipe, pressure is transmitted into each set of second telescopic columns in a lossless mode, the pressure received by each set of second telescopic columns is the same, and the extending strokes of the second telescopic columns are also the same; therefore, the function that the axis of the workpiece is aligned with the machining rotation axis of the workpiece is achieved in the rolling clamping process of the workpiece.

This invention provides a metal coil slitting machine, belonging to the field of metal coil cutting technology. The metal coil slitting machine includes a support base, on which an upper cutter head and a lower cutter head are mounted. A strip cutting auxiliary mechanism is also mounted on the support base, comprising a frame and a hanger. By incorporating the strip cutting auxiliary mechanism, this invention allows the leveling rollers to adaptively adjust automatically according to the local shape of the coil, thereby applying greater pressure to the high points of the wavy coil and less pressure to the low points. This makes it easier to overcome the internal stress at the wavy areas of the coil. Furthermore, each leveling roller is located on the cutting axis of the upper and lower cutter heads. As the coil is pulled, only the wavy coil at the cutting axis is leveled, minimizing macroscopic interference and significantly improving cutting accuracy compared to existing technologies.

The invention belongs to the field of cutting equipment, and particularly relates to stainless steel pipe automatic cutting equipment which comprises a rack, and a mounting plate is fixedly connected to the top of the rack; a first air cylinder is fixedly connected to the top of the mounting plate; the output end of the first air cylinder is fixedly connected with a supporting plate. A cutting assembly used for cutting a steel pipe is fixedly installed at the bottom of the supporting plate. A pair of supporting assemblies used for lifting a steel pipe cutting section is arranged at the bottom of the supporting plate. The top of the rack is provided with a clamping assembly used for fixing a steel pipe in the cutting process. The supporting assembly comprises a first rack. The first rack is fixedly connected with the bottom of the supporting plate; and through the matching effect of the connecting plate and the ejector rod, the cutting section of the steel pipe can be lifted under the meshing effect of the first rack, the gear and the second rack, so that the cutting section stably falls onto the chute, and the damage caused by impact when the steel pipe directly falls is reduced.

The invention relates to the technical field of metal cutting machines, and particularly discloses a metal cutting machine. Comprising a base and a carrying table capable of rotating based on the base, and a cutting assembly is arranged at the tail of the carrying table and composed of a mounting part and a working part hinged to the mounting part. The working part comprises a driving part, a rotating head and a cutting tool, and the rotating head is provided with a first protective cover and a rotatable second protective cover. A first rotating rod is arranged at the hinged position of the mounting part and the working part, a second rotating rod is arranged on the second protective cover, the second rotating rod is arranged in a driving groove of the first rotating rod, and a driven section of the first rotating rod makes contact with a pressing wheel on the first protective cover. Through linkage of the first rotating rod, the second rotating rod and the pressing wheel, automatic cooperation of the second protective cover and cutting operation is achieved, the second protective cover is opened along with downward pressing of a working part during cutting and automatically closed along with resetting of the working part during non-operation, potential safety hazards caused by accidental exposure of a cutter in the non-operation state are effectively avoided, and operation safety is improved.