129results about "Work manipulation" patented technology

The invention relates to the technical field of cold rolling, and provides steel member cold rolling equipment which comprises two first cold rolling equipment, first traction equipment is arranged on the opposite sides of the two first cold rolling equipment, the steel member cold rolling equipment further comprises a mounting support and a bottom clamping mechanism, and the mounting support is located between the two first cold rolling equipment; second cold rolling equipment is arranged at the top of the mounting support, rotating adjusting assemblies are longitudinally and movably arranged on the two sides of the mounting support correspondingly, steel plate conveying assemblies are arranged on the rotating adjusting assemblies, bottom clamping mechanisms are arranged at the bottoms of the two sides of the mounting support correspondingly, and second traction equipment is transversely and movably arranged at the bottom of the mounting support. By means of the technical scheme, the problem that in the prior art, when a cold rolling operation machining line conducts sequential cold rolling operation on various different steel plates, time is wasted is solved.

The utility model discloses a high-speed wire rod air cooling roller way roll shape adjusting device which comprises a bottom frame, a plurality of sets of roller seats are arranged at the top end of the bottom frame, a plurality of sets of roller shafts are arranged in the roller seats, driving motors are arranged at the bottom ends of the roller seats, one ends of the driving motors are in transmission connection with the roller shafts, and adjusting structures are arranged at the front ends of the driving motors. Adjusting devices are arranged on one sides of the roll shafts on the two sides, side edge fine adjusting devices are arranged on the two sides of the roll seat, driving can be conducted in the mounting frame by controlling the multiple sets of air rod structures, a baffle is driven to move up and down through a blocking head structure, the advancing direction of a wire rod is blocked and dredged, and the position distribution of the wire rod on the roll shafts can be changed; deviation caused by a spinning drop point and a conveying device during roller way transportation is reduced, the phenomenon that a roll type is prone to layer staggering after roll collection is avoided, the quality of finished products is improved, the position of the baffle can be adjusted at the top end of the roller shaft, the advancing direction of a wire rod is adjusted and changed in cooperation with an adjusting structure, and the effect of changing the drop point is achieved.

The invention relates to the technical field of stainless steel composite plates, in particular to a stainless steel composite plate for a thick bridge and a preparation method of the stainless steel composite plate for the thick bridge, and the method comprises the following steps: carrying out single assembly treatment to obtain a composite blank, carrying out primary heating and rolling on the composite blank, carrying out secondary heating, controlled rolling and controlled cooling treatment to obtain the composite plate, tempering and straightening; wherein the single-time assembly treatment specifically comprises the steps that beveling and drilling are conducted on the four edges of the to-be-compounded side of the base material to form air exhaust holes, the to-be-compounded face of the clad stainless steel is attached to the base material, then welding sealing is conducted, and vacuumizing treatment is conducted. The problems that the stainless steel composite plate for the high-performance thick-specification bridge is difficult to produce through symmetric assembly rolling and rolling is difficult to achieve through a conventional single assembly are solved, the produced stainless steel composite plate for the bridge is excellent in interface bonding, the shear strength is larger than or equal to 380 MPa, the yield ratio is smaller than or equal to 0.83, the impact Akv of a base material at the temperature of-40 DEG C is larger than or equal to 250 J, and the intergranular corrosion resistance of a covering material is excellent; and the steel plate has good comprehensive performance and plate shape.

The invention relates to the technical field of plate roughing mills, in particular to a plate roughing mill with a feeding and discharging structure, which comprises a bottom plate, a shell is mounted at the top of the bottom plate, two rollers are mounted in the shell, an automatic feeding mechanism and an automatic discharging mechanism are respectively arranged on two sides of the shell, and the automatic feeding mechanism comprises a plurality of upright posts; two moving plates are arranged between the multiple stand columns, multiple feeding rollers are installed between the two moving plates, a limiting mechanism is arranged above the multiple feeding rollers, and a driving mechanism is further arranged between the two moving plates. According to the metal plate rough rolling device, in the process that the feeding roller automatically feeds a metal plate, the two sides of the metal plate can be pushed through the arranged limiting mechanism, and the deviation rectifying effect is achieved, so that the metal plate can be located in the middle of the two rollers to be roughly rolled in the process that the metal plate enters the shell; the rough rolling accuracy of the two rollers on the metal plate is improved, and then the rough rolling quality of the metal plate is improved.

The utility model provides a material turnover device of a steel pipe cold-rolling mill. The material turnover device comprises a first rotating cylinder, a supporting sleeve and a guide sleeve, the first rotating cylinder is provided with an accommodating hole penetrating in the axial direction; the supporting sleeve is fixed to the end of the first rotating cylinder, a groove is formed in the supporting sleeve, the groove is sleeved with the containing hole, and a through hole is formed in the bottom of the groove; the guide sleeve is detachably fixed in the groove and provided with a rectangular hole penetrating in the axial direction of the first rotating cylinder, and the rectangular hole communicates with the penetrating hole. The utility model further provides a two-roller steel pipe cold-rolling mill which comprises the steel pipe cold-rolling mill material turnover device, a first roller, a second roller and a second rotating cylinder. The first rotating cylinder and the second rotating cylinder are oppositely arranged in the axial direction, and the first roller and the second roller are oppositely arranged between the first rotating cylinder and the second rotating cylinder and located on the two sides of the axial extending direction respectively. According to the two-roller steel pipe cold rolling mill, 180-degree overturning of round-to-rectangular materials can be achieved, and then continuous production can be achieved.

The utility model discloses a steel billet plane transfer device, and belongs to the technical field of hot rolling. The steel billet plane transferring device comprises a steel supporting arm, a connecting rod used for guiding and limiting is arranged at the lower end of the outer portion of the steel supporting arm, a first supporting block is arranged on one side of the upper end of the steel supporting arm, and a second supporting block is arranged on the other side of the upper end of the steel supporting arm. And the second supporting block and the first supporting block are respectively integrated with the steel supporting arm. The steel billet blanking machine solves the problems that when an existing steel billet blanking machine horizontally moves and rotatably places steel billets, inertia generated by rotation and horizontal movement easily causes steel billet falling or position deviation, steel billet falling can cause steel billet damage, and deviation can affect follow-up grabbing and follow-up transportation. The steel billet is wrapped and protected through the wrapping frame, falling of the inner steel billet can be limited through wrapping and protection of the wrapping frame, and meanwhile falling of the steel billet caused by external collision can be avoided through the wrapping frame.

The utility model discloses a round tube blank hot delivery and hot charging device for rolling a steel tube, which comprises a heat preservation heating box arranged at the rear part of an automobile, heat preservation bricks are paved on the inner wall of the heat preservation heating box, an upper cover of the heat preservation heating box can be opened and closed, and one or more burners are respectively arranged on the four inner walls of a box body arranged at the rear part of the automobile. Each burner is connected with an energy source of the heating device through a pipeline; a through long boss is arranged at the bottom in the heat preservation heating box and used for being matched with a groove in the bottom of the blank frame; the blank frame is in the shape of an inverted trapezoid, lifting lugs are arranged on the two side walls of the blank frame, a plurality of through holes are formed in the two side walls provided with the lifting lugs, and two lifting columns are symmetrically arranged at the upper positions of the middles of the other two side walls of the blank frame respectively. The utility model aims to solve the problems that the quality of a final steel pipe is seriously influenced as serious shrinkage cavities and center looseness are formed after the continuous casting billet is solidified and cooled to the room temperature, and impurities and alloy elements are concentrated in a core part.

The utility model discloses a device for improving the quality of the inner surface of a hot-rolled seamless steel pipe, which comprises a track filling device, the track filling device comprises a transportation track and a movable filling device arranged on the transportation track, the filling device is a movable mechanical arm, the track filling device is adjacent to a secondary punching device, and the secondary punching device is connected with the transportation track. The tubular billet perforated by the secondary perforating equipment is transferred to the tubular billet rotating device through the transferring device, the tubular billet rotating device is arranged on the borax blowing station, and the tubular billet rotating device of the borax blowing station comprises two or more sets of rotating carrier rollers used for supporting the tubular billet to rotate on the rotating carrier rollers. A borax nozzle is arranged at the rear upper position of the middle side of the two rotating carrier rollers on the outer side, a rotary arm is further arranged on the outer side of the borax injection station, and a conveying driving device is arranged on the side close to the rotary arm.

The invention relates to an automatic steel rotating method for a plate blank, which relates to the field of steel rolling and metallurgical automation and comprises the following steps of: confirming the position of the current plate blank when the plate blank enters a steel rotating area; the system issues an instruction to control different camera processes to operate; performing perspective transformation on the acquired photo; detecting the brightness value of the plate blank; identifying the outline of the slab and calculating the included angle between the long side of the minimum enclosing rectangle and the positive direction of the X axis; the calculated steel rotating angle is ensured to be 90 degrees through logic control; the angle information and the position information are sent to a first-level automatic system in real time; steel rotating parameters are correlated, and different accelerations are adopted to control the conical roller; according to the length-width ratio of the plate blank, the angle range of the plate blank where steel rotation succeeds is determined; monitoring the position of the plate blank to ensure that the plate blank is in the steel rotating area; and when the angle and the position of the plate blank meet the requirements, the side guide plate is controlled to clamp the plate blank. According to the invention, the automation level is improved, the labor intensity of operators is reduced, and the production efficiency is improved.

The utility model discloses a feeding lathe bed of a high-speed precise section forming machine for high-precision pipe rolling, which comprises a rack, one end of the rack is provided with a mounting frame, a mounting groove is formed in the middle of the rack, a rotary polish rod is arranged in the mounting groove, one end of the rotary polish rod is rotatably connected with the mounting frame, and a transmission groove is formed in the middle of the rotary polish rod. Supporting faces are formed on the two sides of the machine frame, a bracket is placed on the supporting faces, a lead screw is arranged above the bracket, one end of the lead screw is rotationally connected with a mounting frame, the other end of the lead screw is connected with a first coupler, a placing frame is arranged outside the first coupler, the lower end of the placing frame is fixedly connected with the supporting faces, and the upper end of the placing frame is connected with the mounting frame through a lubricating pipe. And a lubricating oil nozzle and an oil outlet are respectively arranged on the lubricating pipe. The work stability of the feeding machine body can be improved, and machining and assembling of manufacturers are facilitated.

The utility model relates to the technical field of strip steel production, in particular to a strip steel turnover device for a cold-rolled strip steel production line, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a limiting plate, a first turnover cylinder and a second turnover cylinder are respectively and rotatably connected in the limiting plate, and the first turnover cylinder and the second turnover cylinder are opposite in position. The side face of the first overturning cylinder is fixedly connected with a steel rod, and a side groove is formed in the second overturning cylinder. Through cooperative use of a first overturning cylinder, a second overturning cylinder, a steel rod, a side groove, a screw, an electric telescopic cylinder, an electric inserting rod and a friction plate, the steel rod can be moved in the side groove according to the actual length of strip steel, then the steel rod is fixed through the screw, then the strip steel of different lengths can be overturned, the use range is widened, and the practicability is improved; and meanwhile, four groups of electric telescopic cylinders, electric inserting rods and friction plates are arranged, so that the strip steel can be clamped in four different directions, and the stability of the strip steel during overturning is improved.

The invention relates to the technical field of angle steel production, and particularly discloses an automatic angle steel machining production line which comprises a heating mechanism, a feeding mechanism and a discharging mechanism. The forming mechanism is used for rolling the blank and rolling the blank with the rectangular section into the angle steel with the L-shaped section; the shearing mechanism is used for cutting off the formed angle steel; the cooling mechanism is used for intermittently conveying the cut angle steel; and the overturning mechanism is used for overturning the angle steel in the conveying process. According to the angle steel production line, the working procedures of heating, forming, shearing, cooling, overturning and the like are integrated, full-process automation of angle steel production is achieved, the problems of low efficiency and high manual dependence degree caused by traditional sectional type production are solved, the production efficiency is improved, and the labor intensity is reduced.

The invention relates to the technical field of rolling, in particular to a steel plate rotating device for angular rolling of a medium-thickness plate and a using method of the steel plate rotating device, and high-precision angular rotation of a steel plate is achieved through the linkage design of a longitudinal lead screw transmission module and a transverse lead screw transmission module in combination with a cam-spring reset structure of a hydraulic push rod assembly and feedback of an angle sensor. The device is simplified in structure, high in adaptability and capable of remarkably improving the rolling efficiency and the plate shape quality.

The invention discloses a slab rotation and centering control method, which comprises the following steps that: at least two cross beams which move in a direction perpendicular to the rolling direction are arranged at the bottoms of steel rotating roller ways in front of and behind a rolling mill, and the cross beams can move up and down; after the plate blank enters the steel rotating roller way, a side guide plate is adopted for centering the plate blank; after centering of the plate blank is completed, at least two steel rotating cross beams are determined in the cross beams according to the physical parameters of the plate blank to conduct steel rotating on the plate blank; the physical parameters at least comprise size parameters of the plate blank; when steel rotating is conducted on the plate blank, the steel rotating cross beam is lifted upwards to support the plate blank, then the steel rotating cross beam is controlled to move by a preset distance in the direction perpendicular to the rolling direction, and therefore the plate blank is driven to rotate by a target angle. Large-angle angular rolling steel rotating can be achieved, meanwhile, the production efficiency of angular rolling broadening and transverse rolling broadening is improved, and the product quality is guaranteed.

The present invention provides a swing-lifting spring-damping gravity billet tilter. The sliding spiral cam adjustment mechanism is connected to the variable four-link swing mechanism, and the swing power mechanism is connected to the variable four-link swing mechanism. The lifting power mechanism is respectively connected to the variable four-link swing mechanism and the adjustable tensioning sprocket lifting mechanism. The lifting power mechanism is used to provide power for the adjustable tensioning sprocket lifting mechanism. The adjustable tensioning sprocket lifting mechanism is arranged on the column and is connected to the gravity spring tilting mechanism. This swing-lifting spring-damping gravity billet tilter can perform a 90° flip on the high-temperature billets discharged from the heating furnace of the section / bar hot rolling production line before rolling, meet the on-site rolling deformation process requirements, can remove the overheated iron oxide on the surface of the billets, improve the surface appearance quality of the rolled materials, increase the on-site production rhythm, and reduce process failures.

The invention provides an intelligent steel transfer control method and system for a thick plate production line. The method comprises the following steps: acquiring standard data of a rough rolling link of the thick plate production line and acquiring a standard image in a steel transfer area through image acquisition equipment; inputting the standard image into the target detection model, and outputting feature data; inputting the standard data and the characteristic data into a rotating speed prediction generation model, and outputting a rotating speed control curve of the steel rotating roller way; and a steel rotating request signal in the rolling process state data is extracted, a control command and a rotating speed given instruction of a steel rotating roller bed are generated according to the rotating speed control curve, and the steel rotating roller bed is controlled to drive the intermediate billet to rotate according to the rotating speed control curve. The rotating speed control curve is generated by extracting the standard data and the characteristic data in the rolling process state data, the steering command and the rotating speed given command are generated based on the rotating speed control curve, the steel rotating roller way is driven to operate according to the commands, and the problems that manual steel rotating is low in precision, lagged in response and low in efficiency are solved.

A tipping device suitable for a steel coil comprises a turning part, a first turning plate, a second turning plate, an arc face lifting part and a side face positioning part. One end of the first turning plate is connected with one end of the second turning plate, and a combined body of the first turning plate and the second turning plate is L-shaped; the cambered surface lifting part is arranged on the second turning plate, and the side surface positioning part is arranged on the first turning plate; and a combined body of the first turning plate and the second turning plate is arranged on the turning part. According to the utility model, the overturning efficiency of the steel coil is improved, and the abrasion on the surface of the steel coil is reduced as much as possible in the overturning process.

The invention belongs to the technical field of wire rolling, and particularly discloses a rod and wire rolling method for eliminating steel billet corner defects and a rolling mill stand. The method comprises the following steps that firstly, a heated steel billet is conveyed to a steel rotating device; then the steel billet enters a steel rotating roller way under the action of a guide and guard guide plate, the steel billet is rotated by 45 degrees through a steel rotating device, and the corner of the steel billet is aligned with a groove hole in a roller; then the steel billet is conveyed to a rolling mill through a conveying roller way and a V-shaped anti-torsion guide roller; and finally, the steel billet is rolled into a steel bar through seven passes of rough rolling, wherein large deformation is adopted in the first pass. In order to solve the problem of residual crack defects in billet corner rolling, a pass system is optimized, and the mode that upper and lower flat rollers and left and right vertical rollers are used for simultaneous pressing-down rolling in four directions is adopted, so that the problems that in the continuous casting process, due to the fact that the billet corner cooling speed is higher than that of other parts, shrinkage is uneven, and tensile stress is generated on the surface are solved; therefore, cracks are generated at the corners of the steel billets, and the product quality is influenced.

The utility model discloses a steel ingot turnover mechanism for a rolling mill, which belongs to the technical field of steel ingot rolling and comprises a first vertical plate and a second vertical plate, a conveying roller is rotatably arranged between the first vertical plate and the second vertical plate, an electric push rod is fixed on the front side of the second vertical plate, a sliding seat is fixed at the output end of the electric push rod, and a plurality of groups of turnover components are arranged on the sliding seat. A knocking mechanism is arranged above the overturning assembly and comprises a sliding rod, a mounting plate is fixed to the rear end of the sliding rod, a knocking hammer is fixed to the rear side of the mounting plate, a baffle is fixed to the front end of the sliding rod, a spring is fixed between the baffle and the second vertical plate, and the knocking mechanism further comprises a power assembly. After the steel ingot is overturned to be in a vertical blank state, the baffle is driven by the power assembly to move forwards, then the baffle is released, the baffle drives the sliding rod to drive the mounting plate and the knocking hammer to rapidly move backwards under the action of the elastic force of the spring, the steel ingot is knocked, the steel ingot vibrates, slag crust on the surface of the steel ingot is knocked off, and the quality of the rolled steel ingot is guaranteed.

The application discloses a graphite cladding device for an inflation evaporator aluminum plate inflation pipeline, which comprises an oven, a clamping assembly, a turnover assembly, a pushing assembly, a rotating assembly, a positioning assembly and a cladding assembly. The oven is used for drying and transmitting the first and second raw aluminum plates in sequence to the rotating assembly. The rotating assembly comprises a rotating roller, one side of the rotating roller is provided with a follow-up roller, and the two ends of the rotating roller are fixedly connected with inclined baffles. The follow-up roller rotates around the rotating roller as an axis to form state one and state two. The side of the rotating roller away from the oven is provided with a driving roller. The follow-up roller and the driving roller are on the same vertical line when in state one. The pushing assembly is arranged on the lower side of the rotating assembly. The first raw aluminum plate after drying first contacts the inclined surface of the inclined baffle in state one and moves to fall on the pushing assembly. The application realizes the automatic cladding function conveniently and efficiently.

This invention belongs to the field of metallurgy and rolling technology, specifically relating to a high-strength, high-toughness, low-temperature resistant hot-rolled H-beam for floating oil storage and transportation vessels and its preparation method. Its chemical composition by weight percentage is: C: 0.07–0.11%, Si ≤ 0.2%, Mn: 1.5–1.9%, V: 0.06–0.10%, Nb: 0.02–0.05%, Ni: 0.1–0.4%, B: 0.001–0.002%, Alt: 0.025–0.045%, P ≤ 0.015%, S ≤ 0.006%, N: 0.01–0.015%, O ≤ 0.003%, with the remainder being Fe and unavoidable impurities. This invention's H-beam is based on green and environmentally friendly principles, emphasizing lightweight technology. It reduces the overall transportation cost of floating vessels, improves material utilization efficiency, and achieves a 15–30% weight reduction target for the floating oil storage and transportation vessel structure. It provides product and technical support for steel structures used in some hull modules.

The invention discloses a tilting gear which is novel and reasonable in structure, supporting wheels distributed on the periphery of a turnover frame are adopted for mounting and supporting the turnover frame, the self-rotation characteristic of the supporting wheels is utilized, it is ensured that the turnover frame can rotate around the axis of the turnover frame in situ between the supporting wheels, and compared with an existing large bearing supporting and mounting turnover frame, the structural design has the advantages that the turnover frame is convenient to mount and dismount; not only is the mounting structure simplified, but also the supporting wheels adopt small rollers, so that the cost is greatly reduced, the disassembly and assembly are convenient, and the maintenance cost is low; in addition, the turnover driving system adopts a form that a driving chain is matched with a driving chain wheel, compared with a mode that a large gear ring is installed outside a turnover frame to drive rotation, the installation structure is simplified, the cost is reduced, the driving reliability is higher, and maintenance and repair are easy. In addition, the hydraulic cylinder is adopted to directly lift the clamp roller device, and compared with the scheme that a spiral elevator is adopted to lift the whole rack, the structure is simpler, the cost is lower, maintenance is easy, and meanwhile the working efficiency is higher.

The utility model relates to the technical field of hub positioning and processing, in particular to a positioning clamp for automobile hub calendaring, which comprises a support base, a support frame mounted on the support base, a fixed back plate mounted on the support frame, a circular ring groove formed in the fixed back plate, a fixed circular ring mounted on the fixed back plate, and a moving groove formed in the fixed circular ring. According to the hub clamping device, through rotation of the rotating lead screw in the positioning mechanism, the movable sleeves of the two sets of different thread mechanisms can move oppositely and oppositely, and therefore the clamping arms are driven to clamp a hub; meanwhile, after clamping is completed, an operation handle installed on a rotating circular ring is operated to enable the rotating circular ring to rotate in a fixed circular ring, at the moment, a moving groove formed in the fixed circular ring provides a rotating space for overall rotation of a rotating lead screw in the positioning mechanism, and the rotating circular ring drives the hub clamped by the positioning mechanism to rotate; and the clamping machining flexibility of the hub is improved.

The present invention belongs to the technical field of metallurgy and rolling, and specifically relates to high-strength, high-toughness, low-temperature-resistant hot-rolled H-shaped steel for a floating oil storage ship and a preparation method therefor. The high-strength, high-toughness, low-temperature-resistant hot-rolled H-shaped steel comprises the following chemical components in percentages by weight: 0.07-0.11% of C, less than or equal to 0.2% of Si, 1.5-1.9% of Mn, 0.06-0.10% of V, 0.02-0.05% of Nb, 0.1-0.4% of Ni, 0.001-0.002% of B, 0.025-0.045% of Alt, less than or equal to 0.015% of P, less than or equal to 0.006% of S, 0.01-0.015% of N, less than or equal to 0.003% of O, and the balance being Fe and inevitable impurities. The H-shaped steel of the present invention is based on a green and environmentally friendly concept, has an outstanding lightweight technology, reduces the transportation cost of the floating ship as a whole, improves the utilization efficiency of the material, achieves the aim of weight reduction of 15-30% for the lightweight structure of the floating oil storage ship, and provides the product and technical support for the steel structure used in the hull module.

The invention relates to the technical field of roll forging of aluminum alloy bars, in particular to roll forging equipment for aluminum alloy bars, which comprises a roll forging device, a driving structure and a clamping structure. The upper end of a first base in the roll forging device is connected with a first telescopic base and a second telescopic base through bolts; one side of the second telescopic base is connected with a first rotating disc through a coupler, the outer side of the first rotating disc is movably connected with a first belt, one side of the first belt is movably connected to the outer side of a fourth rotating disc in the driving structure, and an electric telescopic rod can be protected by connecting a first connecting rod between a first connecting piece and a second connecting piece; the electric telescopic rod can be movably connected with the second telescopic rod through the telescopic cylinder, and can be connected with the clamping jaw through the second telescopic rod, so that the electric telescopic rod can drive the clamping jaw to clamp when the second telescopic rod stretches out and draws back, and a connecting ring connected with a third connecting piece is used for limiting the rear end of the clamping jaw.

The invention discloses a heavy special-shaped blank tilting gear and a tilting method, and belongs to the technical field of hot rolling production lines. The heavy special-shaped blank tilting gear comprises a hydraulic cylinder support and a hydraulic cylinder rotationally connected in the hydraulic cylinder support, and further comprises a guide support, a swing mechanism rotationally connected with a telescopic rod of the hydraulic cylinder and a turnover hook rotationally connected with the swing mechanism, and the working end of the turnover hook comprises a hook head and a hook back; the front end face of the guide support is a guide track. When the heavy special-shaped blank tilts steel, the swing mechanism drives the hook back to ascend along the guide track, the hook head hooks the heavy special-shaped blank to perform in-situ steel tilting, transverse movement is not needed, the end face of the horizontal special-shaped blank is directly overturned to the section of the vertical special-shaped blank, and then the effect of meeting the requirement for rolling the special section of the heavy special-shaped blank is achieved. The technical problem that in the prior art, a tilting gear without a manipulator for clamping and correcting is applied to separate actions of tilting, transverse moving and overturning of heavy special-shaped blanks, and consequently a rolling center line deviates is solved.

The utility model discloses an automatic casting blank overturning device which comprises a material preparation frame, a material feeding device, a material discharging device, a material feeding device and a material discharging device, wherein the material preparation frame is provided with a working table top for overturning a milling surface pipe; the bumping post device is movably arranged on the material preparation frame and is used for preventing the milling surface pipe from automatically overturning and descending; and the stopper device is movably arranged on the material preparation frame and is used for assisting and stopping the milling pipe from automatically overturning and descending. The utility model has the beneficial effects that: single milling surface pipe material preparation is realized, and the labor intensity of workers is reduced through automatic overturning; and the operation risk that people are squeezed and injured in the overturning operation process is avoided.