40results about How to "Improve shot blasting effect" patented technology

The invention discloses an efficient impeller head. The efficient impeller head comprises a shell and impeller discs. An impeller and a directional sleeve are further mounted in the centers of the two impeller discs. The directional sleeve is fixedly mounted through the shell. A motor is arranged on one side of the shell. One end of the impeller, the motor and the impeller discs are fixedly mounted, and the other end of the impeller exactly faces a shot inlet pipe. Shot blasting blades are arranged on the periphery of the directional sleeve. The impeller comprises an impeller body, the impeller body is provided with shot distributing windows and further provided with impeller blades, and the shot distributing windows are spaced by the impeller blades. A sector space is formed among the impeller blades and the directional sleeve. After the structure is adopted, shot blasting is quite smooth, the whole shot blasting process is strong in blasting force, the phenomenon of shot blocking is avoided, and the shot blasting effect is improved; and the utilization rate of the shot blasting blades is greatly increased, the service life of the shot blasting blades is greatly prolonged, the overall structural design is reasonable, dismounting and mounting are fast and convenient, the labor intensity of workers is greatly reduced, and the work efficiency is improved.

The invention discloses a steel shot preparing method, and relates to the technical field. A steel shot comprises chemical components including, by mass percent, 0.65%-0.78% of C, 0.22%-0.25% of Si, 0.14%-0.16% of W, 0.55%-0.75% of Mn, 0.49%-0.58% of Ti, 0.11%-0.18% of Al, 0.02%-0.07% of Nb, and the balance Fe. The invention further discloses a shot blasting technology. The shot blasting technology comprises the following steps that S1, degreasing, washing and drying are conducted on a workpiece which is about to be subjected to shot blasting; S2, after shot blasting line equipment is debugged, steel shots are added in the shot blasting line equipment, the workpiece is arranged in a shot blasting chamber, the position of the workpiece is adjusted, a nozzle of an impeller head faces the workpiece, and then shot blasting treatment is conducted; S3, after shot blasting treatment is finished, shot particles on the surface of the workpiece are removed; and S4, the workpiece obtained after shot blasting treatment is checked. According to the steel shot preparing method and the shot blasting technology, the steel shot hardness and deformation resisting capability are effectively improved,dust is small, the service life is longer, the shot blasting technology efficiency is effectively improved, and meanwhile the cost of the shot blasting technology is reduced.

The invention discloses a continuous-through transmission crawler shot blasting machine, which comprises a shot blasting chamber, a left sealed chamber arranged at the left end of the shot blasting chamber, a right sealed chamber arranged at the right end of the shot blasting chamber, a workpiece conveying system, and a shot circulation The system is characterized in that the workpiece conveying system includes a left roller arranged inside the left sealed chamber, a conveying track arranged inside the shot blasting chamber, and a right roller arranged inside the right sealed chamber, the left roller and the right roller The outer wall cooperates with the two ends of the conveyor belt, and presses the upper end of the conveyor belt into an open arc-shaped cavity. Beneficial effects of the present invention: the structure realizes continuous shot blasting of workpieces, improves work efficiency, and realizes automation; the arc-shaped conveying track provides a large open space, avoids mutual bite damage when workpieces are turned over, and improves The effect of shot blasting.

The invention relates to the technical field of shot blasting cleaning machines, in particular to a stroke sling chain type shot blasting cleaning machine. A plurality of groups of second motors are started, a plurality of groups of lifting hooks are made to drive a plurality of groups of materials to rotate, then a first motor is started, a chain is made to operate through transmission of a plurality of groups of transmission shafts, and the rotating materials are conveyed into a shot blasting machine through a feed port of the shot blasting machine. The materials are subjected to shot blasting through a plurality of groups of shot blasting nozzles in the shot blasting machine, and then the shot-blasted materials are discharged through a discharge port of the shot blasting machine, so that the labor amount of workers is reduced, the shot blasting speed of the equipment is increased, and the shot blasting effect of the equipment is improved. The stroke sling chain type shot blasting machine comprises a base, the shot blasting machine, a plurality of groups of supports, a top plate, a sliding rail, the plurality of groups of transmission shafts, the chain, a plurality of groups of sliding grooves, a plurality of groups of lifting rings, the first motor, the plurality of groups of second motors, a plurality of groups of connecting rods and the plurality of groups of lifting hooks. The bottom end of the shot blasting machine is connected with the top end of the base, a first reserved groove is formed in the top end of the shot blasting machine, and the feed port is formed in the right end of the shot blasting machine.

The invention discloses a cleaner air inlet structure of a door of a shot blasting machine, comprising a cleaning room, an impeller head which is arranged in the cleaning room, a door which is arranged on one side of the cleaning room, an air inlet which is arranged on the door, a protection cover which is matched with the air inlet in the cleaning room, and a labyrinth air inlet which is communicated with the air inlet outside the cleaning room. The invention has the advantages that: as the air inlet structure of the door of the shot blasting machine is provided with the air inlet on the door of the shot blasting machine, the amount of dust in the cleaning room is greatly reduced, the dust on workpieces is less, thus the workpieces are cleaner, a shot blasting effect is improved, and a work environment is effectively improved.

The invention relates to a shot blasting machine special for the outer wall of a cylinder steel pipe. The shot blasting machine comprises a shot blasting cleaning chamber, a cylinder steel pipe conveying mechanism, shot blasting devices, a steel shot recycling mechanism, a steel shot lifting device and a shot and sand separation device which is connected to the top of the steel shot lifting device; in the shot blasting process, after shots and sand located at the bottom of the shot blasting cleaning chamber pass through the steel shot lifting device and the shot and sand separation device, steel shots return to all shot blasting devices through a steel shot conveying pipeline; the cylinder steel pipe conveying mechanism is a parallel roller conveying mechanism, and a plurality of shot blasting devices are mounted on the inner wall of the shot blasting cleaning chamber in the circumferential direction. A conventional tapered roller conveying mechanism is changed into the parallel roller conveying mechanism, the problem that abrasion occurs between the roller and the cylinder steel pipe is solved, so that frequent maintenance is not required, the maintenance cost is reduced, at the same time, the plurality of shot blasting devices are mounted on the inner wall of the shot blasting cleaning chamber in the circumferential direction, so that full processing of the cylinder steel pipe is guaranteed, that is the maintenance cost of the roller conveying device is reduced while the shot blasting effect is improved.

The invention discloses a shot blasting process for a crankshaft. The process is characterized by comprising the following steps: the crankshaft is placed into a cleaning solution added with anti-rustoil for cleaning and dried; the dried crankshaft is placed on a lathe, wherein a 6140 common lathe is preferably adopted, two ends of the crankshaft are separately located into a three-jaw chuck andon a tip of a tailstock, and a motor is started and a lathe spindle rotates at the speed of 1.5-2.5 r/s; during grinding, corresponding grinding time is selected according to the surface condition ofeach part of the crankshaft to ensure sufficient grinding; the ground crankshaft is suspended on a rotating suspending device and in a central axis of a shot blasting bin, after a shot blasting bin door is closed, the suspending device rotates at the rotating speed of 5.2 rpm, a plurality of injecting holes are formed in the periphery side wall, far away from the center of the shot blasting bin for 0.8m, and steel shots with the diameter of 0.75mm are injected into the surface of the crankshaft from the injecting holes at the shot blasting amount of 300 kg/min. The process can greatly improvethe strength and reliability of the crankshaft, thus obtaining an excellent shot blasting effect.

The invention relates to the technical field of shot blasting, and provides a crawler-type shot blasting machine capable of automatically feeding and a shot blasting method.The crawler-type shot blasting machine capable of automatically feeding comprises a rack, a crawler belt and a shot blasting device, the shot blasting device is arranged on the rack, the crawler belt comprises a first belt, the first belt comprises a supporting plate and a driving roller, the supporting plate is arranged on the rack, and the supporting plate is provided with a plurality of teeth; the driving rollers are rotationally arranged between the two supporting plates, gears and cog belts are arranged at the two ends of each driving roller, and the cog belts connect the multiple driving rollers and are engaged with the multiple driving rollers. According to the technical scheme, the problems that in the prior art, when a crawler-type shot blasting machine treats some long-strip-shaped parts, due to the transmission property of a crawler belt, a plurality of parts are stacked together, and some parts are always in a state of being surrounded by the plurality of parts when the parts are turned over, so that the parts are damaged are solved. And shots thrown by the shot blasting machine cannot touch the surrounded parts, so that the problems that some parts are poor in shot blasting effect and need to be secondarily processed occur.

The invention provides a hanging bracket for shot blasting and a shot blasting method. The hanging bracket for shot blasting comprises a main frame and a connecting part, wherein the main frame is a rectangular frame formed by two opposite side beams and two opposite end beams, each side beam is provided with two opposite vertical plates, a plurality of connecting rods are arranged between every two vertical plates at intervals, and two ends of each connecting rod are fixed on every two vertical plates respectively; the connecting part is provided with a cross beam, two vertical beams are vertically arranged at the bottom of the cross beam, a first limiting part is arranged at the top of the cross beam, bottoms of the two vertical beams are fixed at tops of the two end beams respectively. When the hanging bracket for shot blasting performs shot blasting on bogie frames, problems of insufficient shot blasting, shot blasting dead corners and the like on frame surfaces can be solved, and the shot blasting effect is good; besides, the hanging bracket is long in service life, and cost saving is facilitated.

The invention relates to the technical field of shot blasting machines, in particular to a finished product shot blasting machine for metal heat treatment. The finished product shot blasting machine comprises a lower bottom seat, an upper top seat and an impeller head. The lower bottom seat and the upper top seat are integrally arranged, a side seat is welded to the side walls of the lower bottom seat and the upper top seat, and an elevator is mounted in the side seat. A feeding pipe is arranged on the lower bottom seat, partition plates are welded to the two sides of the interior of the lower bottom seat, and a conveying crawler belt is arranged between the partition plates on the two sides. A sliding plate is welded to the inner wall of one side of the lower bottom seat, sieve holes are formed in the sliding plate, and one end of the sliding plate is connected with the tail end of the conveying crawler belt end to end. A conveying belt is installed at the position, close to the bottom, in the lower bottom seat and is located below the sliding plate, and a baffle is movably arranged above the tail end of the conveying crawler belt through an electric push rod. The impeller head is installed between the lower bottom seat and the upper top seat and located above the conveying crawler belt, and a shot channel is connected between the side seat and the impeller head. According to the finished product shot blasting machine, the shot blasting effect can be improved, so that workpieces can be treated more thoroughly; and dust and debris in the machine can be conveniently removed.

The invention discloses a strip steel shot blaster. The strip steel shot blaster comprises a machine base, wherein the machine base is provided with a strip steel inlet, a shot blasting chamber and a strip steel outlet which are connected with one another sequentially; a front auxiliary chamber and a rear auxiliary chamber which are used for preventing steel shots from being splashed are arranged between the strip steel inlet and the shot blasting chamber; the bottom of the shot blasting chamber is provided with steel shot accommodating grooves connected with elevators; each elevator is connected with the outside; the shot blasting chamber is internally provided with a plurality of shot blaster groups which are ranked along the strip steel proceeding direction; each shot blaster group comprises two shot blasters, the shot blasters in a same pass are symmetrically arranged at two sides of strip steel, and each shot blaster is connected with a shot charge channel; steel shots blasted by the shot blasters are blasted dispersively, the upper end of a dispersive track is tangential to the upper end of the strip steel, and the lower end of the dispersive track is tangential to the lower end of the strip steel; the shot blasting chamber is of a double-layer structure, the inner layer is a chrome cast iron wear-resistant plate, and the outer layer is a steel plate. The strip steel shot blaster has the advantages of capability of multiple orientations and shot blasting for multiple times and good shot blasting effect.

The invention relates to a shielding-free hanging basket used for a pressure casting shot blasting technology. The shielding-free hanging basket comprises a base and a stand column. The stand column is vertically installed at the upper end of the base. Multiple layers of hanging assemblies are vertically arranged on the stand column in the axial direction. Each hanging assembly comprises multiple main supporting rods which are evenly arranged around the side wall of the stand column and stretch out in the radial direction. The end portions of the main supporting rods are connected with the middle portions of end portion supporting rods which are horizontally arranged and are perpendicular to the main supporting rods. Long supporting rods horizontally stretch out from the middle portions of one sides of the main supporting rods, and short supporting rods staggered with the long supporting rods horizontally stretch out from the other sides of the main supporting rods. Product supporting rods are perpendicular to the end portions of the long supporting rods, the end portions of the short supporting rods and the end portiosn of the end portion supporting rods. The product supporting rods incline towards the axial outer sides of the corresponding main supporting rods, and the vertical projections of the hanging assemblies are not overlapped. The shielding-free hanging basket and reasonable and ingenious in structure, the space utilization rate can be effectively increased, the product shot blasting effect is also obviously improved, the production efficiency is improved, and the cost is reduced.

The invention relates to a crawler-type shot blasting machine which comprises a rack. A shot blasting chamber is installed on the rack, a bent conveying belt is arranged in the shot blasting chamber, a shot blasting device is arranged on the top wall of the shot blasting chamber, the discharging end of the shot blasting device communicates with an inner cavity of the shot blasting chamber, and a feeding port is formed in the side wall, located at one end of the conveying belt, of the shot blasting chamber; and the rack is provided with a dust removal mechanism and a dust suction mechanism, the dust removal mechanism is used for cleaning the belt face, away from the feeding port, of the conveying belt, and the dust suction mechanism is used for sucking and discharging scrap iron falling from the conveying belt. The crawler-type shot blasting machine has the beneficial effects that the conveying belt is subjected to dust removal through the dust removal mechanism while working, the scrap iron is sucked away and discharged through the dust suction mechanism, the content of the scrap iron on the belt surface of the conveying belt is reduced, the friction force between a workpiece and the conveying belt is increased, the overturning effect of the conveying belt on the workpiece is improved, the shot blasting of the shot blasting device on the workpiece is more comprehensive, and the shot blasting effect of the workpiece is improved.

The invention belongs to the field of processing of electric heating wires, and specifically relates to a shot blasting technology of an electric heating wire. The technology comprises the following steps of (1) preprocessing the surface of an electric heating wire coil rod; (2) premixing shots in a shot blasting machine; (3) feeding the electric heating wire coil rod into a shot blasting chamber;rotating the electric heating wire coil rod at the speed of 1-3 rad/min; adjusting the distance from the shot blasting machine to the electric heating wire, the injecting direction of the shot blasting machine and the shot blasting speed based on the diameter of the electric heating wire; and blasting the shots for 3-10 min; and (4) conveying the electric heating wire coil rod into a cleaning chamber after shot blasting; and cleaning the shots adhered to the electric heating wire coil rod. According to the technology, the surface of the electric heating wire is processed with the shot blasting technology, so that the problems such as low pickling processing efficiency, environmental pollution and the like can be avoided; the diameter of the shot is 0.1-0.5 time that of the electric heating wire; the contact area of the electric heating wire can be increased due to the small diameter of the shots, and thus the shot blasting efficiency can be improved.

The invention relates to a dedicated hanging rack for shot blasting of a cast cylinder block of an engine. The dedicated hanging rack for shot blasting of the cast cylinder block of the engine comprises a lower hanging rod, multiple inclined rods arranged on the outer side of the lower hanging rod, a lifting lug fixedly arranged at the upper end of the lower hanging rod, a lifting hook matched with the lifting lug and an upper hanging rod. The two sides of a guide groove are provided with first inclined plates which are mutually symmetrical. The outer side of the upper hanging rod is sleeved with a first baffle. The two sides of the guide groove are further provided with second inclined plates which are mutually symmetrical. The outer side of the upper hanging rod is further sleeved with asecond baffle. Elastic rods with triangular cross sections are arranged between second inclined plate portions and the second inclined plates. The side, close to the upper hanging rod, of each elastic rod is fixedly provided with a plate-shaped electromagnet. The upper end of the upper hanging rod is fixedly provided with a driven wheel. In the shot blasting process, the cast cylinder block of the engine can rotate, a shot blasting dead angle is avoided, the shot blasting effect is good, and the shot blasting efficiency is high. The seal performance between the dedicated hanging rack and a guide groove in a shot blasting machine is good, it is avoided that shot blasting dust overflows, and the shot blasting dust is not prone to accumulating in the guide groove.