16results about How to "Reduce casting costs" patented technology

The invention relates to the technical field of substrate glass manufacturing, in particular to a special-shaped substrate glass clarification tube, clarification method and clarification channel, the special-shaped substrate glass clarification tube comprises an upper half tube wall and a lower half tube wall communicated with the upper half tube wall, and the conditions that the flow velocity of molten glass is the same, when L1 = L2, S1 = S2 and H1 is smaller than H2 are met, L1, H1 and S1 are the length of the special-shaped substrate glass clarification tube, the height of the liquid level and the sectional area of the molten glass respectively, l2, H2 and S2 are the length, the liquid level height and the sectional area of molten glass of the standard round glass clarifying tube respectively, and the cross section of the standard round glass clarifying tube is a circle with the same radius as the arc-shaped tube wall of the upper half tube wall. Under the condition that enough residence time needed by clarification is guaranteed, the structural strength of the platinum pipeline is considered, the clarification pipe section with the arc upper portion and the special-shaped lower portion is designed, the most efficient bubble discharging capacity is achieved, the bubble discharging efficiency is improved, and the substrate glass production capacity is improved. The problem that an existing clarification pipe is poor in clarification effect is solved.

The invention discloses a casting technology for a nodular cast iron bearing retainer. The casting technology comprises the steps that S1, a precoated sand shell mold is designed through the nodular cast iron bearing retainer; s2, a shell mold is manufactured, an upper shell mold and a lower shell mold are manufactured through the shell mold, and then the upper shell mold and the lower shell mold are connected into a precoated sand shell mold; s3, iron shots are flatly laid at the bottom of a sand box and then compacted through vibration, the precoated sand shell mold is placed on the iron shots in the sand box, the space between the inner wall of the sand box and the precoated sand shell mold is filled with the iron shots layer by layer from bottom to top, the iron shots are compacted through vibration, molten iron is poured into a mold cavity of the precoated sand shell mold, and after cooling, the molten iron is solidified and formed into a bearing retainer casting; and S4, the precoated sand shell mold is separated from the iron shots, the precoated sand shell mold is knocked, broken and removed from the outer side of the bearing retainer casting, and the internally-formed bearing retainer casting is obtained. The process is simple in step, the quality of the bearing retainer casting can be effectively improved, the casting cost is low, the production efficiency is improved, and the probability of defective products is reduced.

The utility model discloses a mould isosceles structure in the technical field of forming mould, including lower die seat and lower die core plate. Lower die seat has the core plate groove, and lower die core plate is fixed in the core plate groove. Lower die seat is equipped with a plurality of isosceles columns, and a plurality of isosceles columns are arranged around the outer periphery of the core plate groove. The upper end of isosceles column has the positioning end face. In the mould isosceles structure of the utility model, lower die core plate is positioned through the core plate groove, and the height position of the positioning end face of isosceles column is controlled in accuracy to the effect of mould closing, and the difficulty of detection and processing is low, thereby reducing the machining accuracy requirement and the casting cost of lower die seat, and having important economic significance for production.

The invention belongs to the technical field of gypsum mold precision investment casting, and relates to a rotary pouring method and device for gypsum mold precision investment casting, which comprises the following steps of: placing and fixing a casting mold in a pouring tank, adjusting the position of a pouring ladle frame in the pouring tank by using an empty pouring ladle, and positioning the empty pouring ladle and a pouring gate of the casting mold at an angle of 90 degrees; a pouring nozzle of the pouring ladle is flush with the inner edge of a pouring gate of the casting mold, and a gap of 0-5 mm is reserved; the casting ladle frame and the casting mold synchronously realize stepless variable-speed rotation; the casting ladle frame is adjusted to be in the horizontal state, the empty casting ladle is taken out, and the casting ladle containing the molten metal is fixed to the casting ladle frame; a tank door of the pouring tank is closed, the pouring tank is vacuumized, and after the vacuum degree reaches a set value, the pouring ladle and the casting mold are controlled to rotate synchronously according to the set rotating speed, and pouring is conducted; and removing vacuum after pouring, and pressurizing and solidifying. According to the invention, alloy liquid turbulence can be reduced, variable flow velocity and variable flow controllability of molten metal pouring are realized, the yield of batch products is improved, and the casting cost is reduced.

The invention discloses a forming device suitable for nickel-based superalloy ring bodies with different chord lengths, and relates to the technical field of gas turbine part casting. The casting system solves the problem that an existing casting system cannot provide feeding for the solidification part of the nickel-based high-temperature alloy casting. The two cavities are located on the left side and the right side of the pouring system correspondingly, the pouring system communicates with the upper portions and the lower portions of the two cavities correspondingly, and pouring is achieved; the pouring system comprises a pouring cup, a sprue, a sprue base, an upper pouring gate and a lower pouring gate, the upper pouring gate and the lower pouring gate are arranged in parallel up and down and are respectively and dispersedly communicated with the upper parts and the lower parts of the two cavities, feeding is carried out in the cavities, the sprue is vertically arranged at the geometric center of the upper pouring gate and the lower pouring gate, and the sprue base is vertically arranged at the geometric center of the sprue base. The sprue is communicated with the contact part of the upper pouring gate and the lower pouring gate, and the sprue cup and the sprue base are respectively arranged at the upper end and the lower end of the sprue. The method is used for casting the upper retaining ring of the gas turbine.

The invention provides a bottom pouring type magnesium alloy casting mold with an extrusion throttling function. A supporting plate is arranged at the bottom of an upper mold, a throttling valve is arranged in the supporting plate, a spring is arranged between the throttling valve and the supporting plate, an extrusion sliding block is arranged on the upper portion of the upper mold, a flow guide channel is formed in the middle of a lower mold, and the flow guide channel and the throttling valve are oppositely arranged; six forming holes are distributed in the outer side of the flow guide channel in the radial direction, and the bottoms of the forming holes communicate with the bottom of the flow guide channel through a bottom injection channel; in the casting process, under the action of extrusion force, the liquidity of magnesium alloy liquid is greatly improved, the mold filling capacity of magnesium alloy is enhanced, and an obtained sample is free of oxidation and cold shut phenomena; the magnesium alloy liquid is subjected to extrusion force and shear force at the throttling holes, so that a magnesium alloy sample with fine grains can be obtained, and the casting cost and the rejection rate are greatly reduced; and the whole casting process can be completed by only 1-2 persons, so that the production efficiency is greatly improved.

The present invention belongs to the technical field of casting molds, and specifically is a gate pressurized wheel hub casting mold and a casting method thereof, the casting mold comprising a workbench, a mold and a pressurizing mechanism; a mold is installed at the center position of the workbench, the mold comprises a No. 1 mold, a No. 2 mold, a No. 3 mold and a No. 4 mold, the No. 1 mold is located at the top of the mold, the No. 2 mold and the No. 3 mold are located in the middle of the mold, and the No. 4 mold is located at the bottom of the mold; through the cooperation between the mold and the pressurizing mechanism, the pressurizing mechanism squeezes the molten metal through the runner, so that the flow speed of the molten metal into the cavity through the runner is increased, thereby increasing the shrinkage compensation effect of the molten metal on the wheel hub during cooling, thereby improving the casting quality of the wheel hub, and avoiding the reduction of the shrinkage compensation effect of the molten metal on the wheel hub during the cooling process of the wheel hub, resulting in more shrinkage holes or shrinkage in the wheel hub.

The present invention discloses an automatic placement device for a pressure plate type pouring cup, comprising a pouring machine and a roller conveyor mounted therewith, comprising a first manipulator mounted at a position before the pouring process and on one side of the roller conveyor; a second manipulator mounted at a position after the pouring process of the roller conveyor and on the other side of the roller conveyor; a first placement table and a second placement table mounted on both sides of the first manipulator and on a frame of the roller conveyor for placing a pouring cup and a pressure plate, and a third placement table and a fourth placement table mounted on both sides of the second manipulator and on a frame of the roller conveyor for placing a pouring cup and a pressure plate. The present invention realizes automation, reduces labor intensity, liberates labor, and automation can improve production efficiency. The pouring cup and the pressure plate are accurately positioned; the pouring cup and the pressure plate method can reduce the waste of molten iron, avoid the previous process of attaching sand to the inner wall of the pouring cup, reduce the process flow, reduce labor intensity, save casting costs, and increase corporate competitiveness.

The utility model provides an external chill for casting a small angle steel straightening roll, which belongs to the technical field of casting, and comprises a plurality of chill groups which are sequentially connected along the vertical direction, each chill group is of an annular column structure, the number of the chill groups is odd, and the number of the chill groups is larger than that of the annular column structure. The outer circumferential faces and the inner circumferential faces of the multiple chilling block sets are flush, the inner circumferential face of the chilling block set located in the middle is detachably connected with a modeling part, and the modeling part protrudes out of the inner circumferential faces of the chilling block sets. Each chiller group comprises at least three chiller blocks, the three chiller blocks define the annular column structure, the modeling part comprises a plurality of modeling blocks, the multiple modeling blocks correspond to the multiple chiller blocks in a one-to-one mode, the modeling blocks are detachably connected with the chiller blocks, and every two adjacent chiller blocks are detachably connected. According to the external chill for casting the small angle steel straightening roll, the use frequency of the external chill is prolonged, and the casting cost is reduced.

The utility model relates to valve technical field, concretely relates to a regulating valve with lining, including valve body, the first lining is arranged in the valve body, and the inner wall of valve body is provided with a plurality of dovetail groove convenient for fixing first lining, the valve rod is inserted in the bonnet, the lower place of valve rod is sleeved with the valve core, the top surface of valve core is provided with the pouring hole, the outside of valve core is provided with the ring groove, the bottom of valve core is provided with the self -tightening mechanism, the utility model discloses through dovetail groove, pouring hole and ring groove, make the lining material and valve body form reliable connection, strengthen the fixed stability of lining, prolong the service life of valve, reduce the metal material amount, reduce the foundry cost, still effectively reduced the operating force needed to control valve rod, through the self -tightening mechanism cooperation valve core common sealing valve seat, the sealing performance of remarkable promotion, shared the valve -in -medium pressure that valve rod bore, improved the pressure -bearing capacity and reliability of valve.

The invention relates to the technical field of square spike machining, and discloses a mold die-casting device for square spike machining and a die-casting method.The mold die-casting device for square spike machining comprises a workbench, a square spike comprises a prismatic-table-shaped shell, and a filler layer is arranged in the prismatic-table-shaped shell; a mold mechanism and two injection mechanisms are arranged on the workbench, the mold mechanism comprises a first mold assembly and a second mold assembly, the two injection mechanisms are both connected with the first mold assembly, and the second mold assembly is arranged in the first mold assembly. According to the mold die-casting device for machining the square spike and the die-casting method of the mold die-casting device, a group of foldable prismatic table-shaped molds are additionally arranged in an existing mold for die-casting the square spike, so that a shell of the cast aluminum shell spike can be firstly formed during die-casting, and then filler is injected, and the problem that in the prior art, the cast aluminum shell spike which is an inwards-concave complex casting is difficult to mold is solved. And die casting is difficult.

The utility model belongs to the technical field of fluid control, and particularly relates to a valve, which aims to solve the problem that a shaft neck of the valve is easy to damage, and comprises a valve body, the shaft neck is arranged on the valve body, and the shaft neck is provided with a central shaft hole used for installing a valve core rotating shaft. The shaft neck side wall is provided with an outer side face of a plurality of side edges formed by protruding the wall thickness outwards, and the side edges extend in the length direction of the shaft neck. The shaft necks are located at the two radial ends of a valve body runner, the ends, away from the valve body, of the shaft necks are connected with a flange plate, and a plurality of through holes are formed in the flange plate in the circumferential direction of the flange plate. The thickness of the joint part of the journal and the flange plate is gradually increased from the journal to the flange plate, and the outer side surface of the journal between the adjacent side edges is a plane or a smooth curved surface. The utility model has the effect that the shaft neck of the valve is not easy to damage.

The utility model relates to a temperature control device for bridge cable hot casting anchor anchoring material casting, relates to the device of hot casting anchor anchoring material casting, including at least one installation dynamic heat preservation device on the anchor cup, dynamic heat preservation device includes annular sleeve, heat preservation device, temperature sensor, control system, the inner hole of annular sleeve is covered on the outer surface of anchor cup, heat preservation device, temperature sensor are installed in the closed cavity of annular sleeve respectively, the signal output end of temperature sensor is connected with the signal input end of control system, the signal output end of control system is connected with heat preservation device, the utility model discloses through heat preservation device can make the anchoring material in the anchor cup keep proper temperature, solve the problem of the insufficient compactness caused by the big void ratio of anchoring material and the uneven casting, further promote the anchoring efficiency, can also reduce the thermal stress crack in the cooling process of casting, significantly improve the anchoring material quality.

The invention relates to the technical field of metal casting, and discloses a metal casting process which comprises the following steps: smelting a metal raw material to form a metal casting liquid; a sand box mold is manufactured, the total amount of molding sand is obtained, and sand injection operation is conducted; after sand injection is completed, molding sand distribution is analyzed, and a lacking area and an excess area are divided; recording the molding sand allowance of each excess area and the molding sand deficiency of each deficiency area; executing sand scraping blending operation, and then performing vibration leveling; detecting whether the molding sand is flat or not, and if yes, closing the mold and pouring the metal pouring liquid; if not, the distribution condition is obtained, sand supplementing operation is executed, and a sand supplementing area and the sand supplementing amount are recorded; if the same area is recorded for multiple times, marking the area as a marked area; the sand supplementing amount of the marked area is obtained, and molding sand reserving operation is executed; after sand supplementing is completed, the mold is closed, and metal pouring liquid is poured; the poured mold is cooled, and a metal casting is taken out; and finally, polishing treatment is conducted, and a cast metal product is obtained.

The utility model discloses an automobile connecting rod type part casting wax mold, and particularly relates to the technical field of wax molds, the automobile connecting rod type part casting wax mold comprises a first wax mold and a second wax mold, the second wax mold is located at the top of the first wax mold, a base is movably arranged at the bottom of the first wax mold, and an extrusion assembly is arranged on the base. The extrusion assembly comprises a positive and negative screw rod, a sliding rod, two vertical plates and a plurality of insertion blocks, the two ends of the positive and negative screw rod are movably connected with the base through bearings, the two ends of the sliding rod are fixedly connected with the base, and one end of the sliding rod and one end of the positive and negative screw rod penetrate through the two vertical plates. According to the wax mold, the second wax mold is placed on the top of the first wax mold, then the first handle is rotated so that the multiple insertion blocks can be inserted into the first wax mold and the second wax mold, when the first wax mold and the second wax mold are melted, the base is taken out and installed on the other first wax mold and the other second wax mold, and the wax mold is repeatedly used in this way; the use effect is good and the casting cost is effectively saved.

The utility model relates to the technical field of ocean renewable energy utilization, and discloses an offshore combined power generation device which comprises a wind power generation mechanism, a tidal power generation mechanism, a wave power generation mechanism and a platform body. The wind power generation mechanism, the tidal power generation mechanism and the wave power generation mechanisms are connected with the platform body, a channel is formed in the platform body, when tide flows through the channel, the tidal power generation mechanism can generate power, the wave power generation mechanisms are arranged on the two sides of the platform body, and the wave power generation mechanisms start to generate power after making contact with waves. The wind power generation mechanism is arranged on the side, away from the seabed, of the platform body and generates power by blowing fan blades through wind, the technical problems that in the prior art, independently-arranged wave energy, tidal energy and wind energy power generation devices are high in manufacturing cost, and the power generation efficiency and the energy utilization rate are low are solved, and the purposes that wave energy, tidal energy and wind energy power generation is concentrated, and power generation efficiency is high are achieved. The casting cost is reduced, and meanwhile the power generation efficiency is improved.