14results about How to "Guaranteed feeding effect" patented technology

The utility model discloses a foundry sand screening treatment device for casting, which relates to the technical field of screening, and comprises a base, the top of the base is connected with a sand storage cylinder, one end face of the sand storage cylinder is provided with a feeding unit, and the device is matched with a movable frame, teeth and an impact head through a driving wheel, a limiting column and a guide wheel. According to the molding sand screening device, the feeding pipe can oscillate when the feeding box and the feeding pipe are used for feeding, blocking of molding sand discharging is prevented, smooth discharging is guaranteed, and the screening efficiency is improved; and through cooperation of a fixing block, an adjusting screw rod, a limiting block, a limiting groove, a mounting plate and a positioning column, the screening efficiency is improved. And the feeding box, the feeding pipe and the sand storage cylinder can be quickly disassembled and assembled conveniently, so that the feeding box and the feeding pipe can be cleaned and maintained conveniently, the feeding effect is guaranteed, and impurity accumulation is prevented.

The invention relates to the technical field of casting, in particular to a lower support vertical parting casting method which comprises a lower support and a pouring system, the pouring system is located above the lower support, an inner pouring gate is arranged at the upper end of a bottom plate of the lower support, and the pouring system comprises a pouring cup, a transverse pouring gate and a dead head. The dead heads comprise a left dead head and a right dead head, the left dead head is connected with the flow gate and is close to one side of the cross gate, the side part of the right dead head protrudes out of the side part of the left dead head, and the cross gate is connected with the left dead head and the right dead head. Through the arrangement of the pouring system and the risers in the pouring system, the flow velocity and flow state of molten metal during pouring are guaranteed, mold filling is guaranteed, and meanwhile, the static pressure of the molten metal can be increased, so that in the cooling and feeding process, the flow velocity of the molten metal is increased, the flow state of the molten metal is guaranteed, and the feeding effect of the molten metal in the risers on the lower support is guaranteed; and the problems of shrinkage porosity and the like of castings are avoided.

The application discloses a sludge treatment method and a treatment system, and belongs to the technical field of environmental protection. The system comprises a sludge pool, a sludge metering hopper, a sludge mixing machine, a sludge hopper and a dewatering device. The dewatering device comprises a filter pressing structure and two cloth stacking machines. The filter pressing structure can move forward and backward to be directly below the filter pressing structure. The cloth stacking machine can reciprocate forward and backward to stack the filter cloth in the filter pressing structure. One cloth stacking machine is used for feeding or discharging, and the other cloth stacking machine is used for filter pressing. The cloth stacking machine comprises a reciprocating driving mechanism, a rack and a conveying mechanism on the rack, an upper filter cloth operating mechanism, a feeding mechanism, a lower filter cloth operating mechanism and a mud pressing roller. The lower filter cloth operating mechanism comprises a lower cloth winding assembly, a lower deviation rectifying detection assembly, a first lower flattening assembly, a lower material scraping assembly, a second lower flattening assembly and a traction assembly. The upper filter cloth operating mechanism comprises an upper cloth winding assembly, an upper deviation rectifying detection assembly, an upper flattening assembly, an upper material scraping assembly and a cloth pressing roller.

The utility model provides a sheet feeding limiting device which comprises a first fixing plate, a second fixing plate, a middle connecting plate, a first limiting roller and a second limiting roller. The first fixing plate and the second fixing plate are arranged at the two ends of the middle connecting plate in parallel. The bearings at the two ends of the first limiting roller are located in the first mounting grooves respectively, two limiting wheels are arranged on the first limiting roller, the bearings at the two ends of the second limiting roller are located in the second mounting grooves respectively, and a gap is formed between the second limiting roller and the middle connecting plate. According to the utility model, a plurality of limiting rollers are combined for limiting, so that sheets are prevented from tilting in the feeding process; and the limiting wheel and the limiting block are matched in an auxiliary mode to prevent the sheets from transversely deviating, the feeding effect is guaranteed, meanwhile, the positions of the sheets do not need to be adjusted through manual operation, and harm to workers is avoided. The sheet feeding device can be movably connected, is not limited to a seedling tray compression molding machine, can also be suitable for processing equipment for feeding various sheets, and is wide in application range.

This invention relates to the field of process control technology in metal material forming, and discloses an optimized control method for a wheel hub liquid forging process. A punch displacement sensor and a liquid forging pressure sensor are set up to synchronously collect and calibrate displacement and pressure signals, and perform zero-point correction to obtain a displacement and pressure sampling sequence. The displacement change rate, pressure change rate, and effective compensation displacement increment are calculated, and the filling end and compensation evaluation termination intervals are obtained according to statistical thresholds. The effective compensation displacement is accumulated within the evaluation interval, and the pressure area is obtained by integrating the pressure to construct a smoothness index. The start time of secondary pressurization, platform pressure, and duration are discretized into a candidate set to generate a target pressure trajectory that meets the pressure change rate constraint and calculates the smoothness. Optimal parameters are screened and corrected, and the pressure command sequence is output and solidified for distribution to the hydraulic system, achieving quantifiable optimization and stable execution of parameters.

This invention provides a feeding method for vacuum consumable remelting and a smelting method for vacuum consumable ingots. The feeding method includes: S1, feeding begins when the remaining weight of the consumable electrode is 10%–13% of the initial total weight, and the current is reduced to 90%–95% of the remelting stage current; S2, when the remaining weight of the consumable electrode is 7%–10% of the initial total weight, the current is reduced to 55%–60% of the remelting stage current, and the droplet time is reduced to 70%–80% of the remelting stage droplet time; S3, when the remaining weight of the consumable electrode is 2%–3% of the initial total weight, the current is reduced to 40%–50% of the remelting stage current, and the voltage is reduced to 80%–90% of the remelting stage voltage. The smelting method includes feeding using the above feeding method. This invention solves the shrinkage cavity defect problem after normal head and tail trimming of steel ingots produced in large vacuum consumable furnaces, improving the internal quality of the ingots.

The utility model discloses a paper box blank loading device, including paper box blank loading machine body, the both ends of the bottom of paper box blank loading machine body are equipped with fixed foot stand, the inside of paper box blank loading machine body is equipped with the feed belt, the both ends of the surface of feed belt are equipped with the blanking plate, the both ends in the inside of feed belt are equipped with transmission cylinder, one end of transmission cylinder is connected with drive mechanism, the drive mechanism is located one end of the one side of paper box blank loading machine body, the other end of the top of paper box blank loading machine body is equipped with the storage box. The utility model discloses the surface of feed belt is equipped with blanking plate, and this structure can make the surface of feed belt form a concave surface and convex surface effect, utilizes blanking plate and can play two functions, one is to the bottom surface of storage box has the sealing effect, prevents paper box blank and slides down, two is to the paper box blank on feed belt and plays the function of interval, prevents paper box blank and falls together.

The invention relates to the technical field of chemical powder screening equipment, and particularly discloses a multistage screening device for chemical powder processing, which comprises a supporting blanking mechanism, a screening mechanism assembly is arranged above the supporting blanking mechanism, a feeding transmission mechanism is arranged above the screening mechanism assembly, and the supporting blanking mechanism comprises a U-shaped plate. A discharging bin is arranged above the inner side of the U-shaped plate, a support is connected to the outer side of the discharging bin, the screening mechanism assembly comprises a plurality of screening mechanisms, each screening mechanism comprises a screen, the outer side of each screen is connected with an annular plate, a second supporting shaft is arranged in the middle of each screen in a penetrating mode and rotationally connected with the screen, and a scraping mechanism is arranged on the outer side of each second supporting shaft. Components in all the mechanisms in the screening device are convenient to disassemble, clean and maintain, the number of the screening mechanisms can be adjusted according to screening requirements of different levels, the using modes of the device are enriched, and the application range of the device is widened.

The utility model relates to the technical field of packaging, in particular to a beveling device, a paper sheet feeding and forming mechanism and a bottom support production line, which comprise a double-layer conveying line and a discharging conveying line, and a front end elevator, a paper sheet feeding and forming mechanism, a gluing mechanism, a bottom plate feeding mechanism, a die cutting discharging mechanism and a rear end elevator are sequentially arranged along the double-layer conveying line. A foam feeding mechanism and a pressing mechanism are further arranged on the double-layer conveying line, and a corner folding assembly is arranged on the paper piece feeding and forming mechanism. The four corners of a paper sheet are subjected to corner folding treatment through the arranged corner folding assembly before the paper sheet is formed, the paper sheet forming effect is guaranteed, automatic feeding of filling foam is achieved through the arranged foam feeding mechanism, labor is saved, the production efficiency is improved, the structures of the foam feeding mechanism and the bottom plate feeding mechanism are simplified, and the production cost is reduced. The cost is reduced while the feeding effect is guaranteed, and the taking and placing precision is improved by arranging the linear module and the mechanical arm on the two sides of the flat pressing die-cutting machine correspondingly.

The present invention discloses a ton bag feeding system, in which a ton bag feeding device moves up and down along a vertical frame just above a ton bag feeding port, a horizontally movable ton bag turnover vehicle is provided between the ton bag feeding device and the ton bag feeding port, and a horizontally movable ton bag removal device is provided above the ton bag feeding device. When the ton bag turnover vehicle moves to just below the ton bag feeding device, the ton bag feeding device moves downward to a corresponding position to grab ton bags from the ton bag turnover vehicle, and feeds after the ton bag turnover vehicle leaves. When the ton bag removal device moves to just above the ton bag feeding device, the ton bags on the ton bag feeding device that moves upward after feeding are removed. It can be seen from the above structure that a ton bag feeding system of the present invention realizes the full automation of ton bag loading, feeding, and ton bag clamping, transfer, and recovery, improves the feeding efficiency of ton bags, and reduces labor intensity.

The utility model relates to the field of automatic production, and discloses a high-stability material feeding system which comprises a material storage barrel, the outer wall of the material storage barrel is fixedly connected with a supporting frame, the interior of the supporting frame is fixedly connected with a mounting frame, the inner wall of the mounting frame is rotatably connected with two conveying wheels, and the conveying wheels are arranged on the inner wall of the mounting frame. The outer walls of the two conveying wheels are in transmission connection with a crawler belt, a stabilizing mechanism is arranged outside the crawler belt, the stabilizing mechanism comprises a material storage block, an air pressure bin is formed in the material storage block, and the inner wall of the air pressure bin is in piston connection with a pressing block. According to the feeding device, the stabilizing mechanism is arranged, it is ensured that cylindrical materials can conveniently enter the storage groove after being discharged, the effect of clamping the cylindrical materials is achieved through position movement in the transportation process, and therefore it is ensured that the cylindrical materials cannot automatically move due to path inclination in the feeding process; and the feeding effect is ensured.

The invention relates to the technical field of 3D printing, in particular to a 3D printing device for an aluminum-based composite material and an application method. The device comprises a first feeding assembly, a second feeding assembly, a first heating component, a second heating component, a premixing assembly and a 3D printing nozzle. The first feeding assembly and the second feeding assembly are connected with the 3D printing nozzle through the premixing assembly. The first feeding assembly comprises a first storage tank used for storing powder metal, and the first heating component is arranged on the first storage tank and used for heating the first storage tank. The second feeding assembly comprises a second storage tank used for storing liquid metal, and the second heating component is arranged on the second storage tank and used for heating the second storage tank. According to the method, the 3D printing material spraying operation is completed by adopting the device. The problem that powder metal is easily affected with damp and adheres to the inner wall of the storage tank, and consequently a conveying pipeline is blocked is solved, the feeding effect can be improved, and feeding and spraying are facilitated.

The present invention belongs to the field of metal casting technology, and in particular to a continuous casting device and method for producing copper rods by continuous feeding. In view of the large safety hazards of the current upper-type continuous casting machine when adding raw materials, the following scheme is proposed, including a platform, a furnace is arranged on the platform, a furnace cover is fixedly connected above the furnace, and an upper-type continuous casting machine is arranged above the platform, the upper-type continuous casting machine is located above the furnace cover, a feeding port is provided on the furnace cover, a feeding box is provided above the feeding port, a feed inlet is provided on the feeding box, the feed inlet is vertically connected to the feeding port, and a feeding module is provided on the feeding box, the feeding module includes a feeding seat, a movable platform and a suspension seat. A continuous casting device and method for producing copper rods by continuous feeding disclosed by the present invention utilizes a feeding module instead of manual feeding, which can ensure the feeding effect while avoiding various hidden dangers existing in the manual feeding operation, and effectively improve the stability and safety of the copper plate feeding operation.

This utility model relates to the field of seamless bearing steel pipe processing technology, and discloses a novel induction heating automatic feeding device for seamless bearing steel pipes, including a processing table, a support frame, and a heating body. The support frame is fixedly connected to the bottom of the processing table, and the heating body is fixedly connected to the upper surface of the processing table. A placement box is fixedly connected to the upper surface of the processing table, and multiple seamless bearing steel pipes are stacked on the inner wall of the placement box. The control module provided by this utility model starts the motor, and its output shaft drives the rotating drum to rotate at the bottom opening of the placement box through the meshing of the second gear and the first gear. The deflector plates on the rotating drum rotate with the rotating drum, sequentially deflecting the seamless bearing steel pipes in the placement box from the opening, which can improve the feeding efficiency. The spacing of the deflector plates matches the diameter of the steel pipe. Each rotation of the rotating drum allows only one steel pipe to pass through the opening, avoiding multiple steel pipes falling at the same time and causing jamming.