109 results about "Sprue" patented technology

This invention discloses a composite gating system and casting method for a lightweight, high-strength, and tough diesel engine cylinder head. The composite gating system includes a sprue, a runner, a stepped ingate, and a top riser. The lower end of the sprue is connected to the runner. The runner is connected to the stepped ingate. The stepped ingate includes a bottom ingate and a middle ingate. The bottom ingate extends downward from the runner and connects to the lower part of the diesel engine cylinder head cavity. The middle ingate extends from the runner and connects to the middle part of the diesel engine cylinder head cavity. The top riser is located at the hot spot of the diesel engine cylinder head, and auxiliary risers are also provided in some hot spot areas. This invention addresses the characteristics of medium-entropy eutectic alloys, such as high melting point, poor fluidity, easy oxidation, and narrow solidification range, by designing a dedicated composite gating system and supporting casting process. This solves the shortcomings of traditional diesel engine cylinder heads in terms of lightweight, strength, toughness, and high-temperature performance, providing a reliable guarantee for improving the overall performance of diesel engines.

This invention discloses an automatic check valve sprue trimming device and method, belonging to the field of sprue trimming technology. It includes a feeding conveyor, a discharging mechanism, a material handling and transferring mechanism, and a shearing mechanism mounted on a machine base. The feeding conveyor is fixedly mounted on the machine base. The discharging mechanism includes a linear motion module, a material transfer plate, and a plate positioning assembly. The linear motion module is fixedly mounted on the machine base, and multiple moving plates are fixedly mounted on the moving end of the linear motion module. A positioning frustum is fixedly mounted on the material transfer plate. Plate positioning assemblies for positioning the material transfer plate are symmetrically mounted on the machine base. The material handling and transferring mechanism includes a material transfer assembly, an adjustable mounting structure, and a pre-positioning material picking assembly. A shearing mechanism for trimming the plastic parts after repositioning the check valve accessories is mounted on the machine base, the material transfer assembly, and the adjustable mounting structure. This method achieves precise trimming of the sprues of multiple plastic parts at once, ensuring trimming efficiency.

The utility model relates to a kind of ejection water gap material anti-splashing structure, including sprue insert, the side wall of the sprue insert is provided with sprue, the top surface of the sprue insert is provided with insert through-hole, the inner side wall of the sprue insert is provided with sliding slot in insert through-hole, the insert through-hole is matched with sliding water gap insert, the side wall of the water gap insert is provided with the sliding hanging platform that slides in sliding slot, the top surface of the water gap insert is provided with the water gap groove that is communicated with sprue, the bottom end of the water gap insert is provided with the top rod of water gap insert sliding, by top rod water gap insert sliding, let the water gap of sprue be separated from product, while water gap material is also located in water gap groove, this increases the force area of water gap material, increase the tight force that water gap material is subjected to, let water gap material be in the water gap rebound of sprue and remain in water gap groove, will not splash, to facilitate the collection water gap material, while avoid water gap material splashing to mould and press mould.

The utility model relates to mould technical field especially relates to a mould structure capable of automatically falling injection plastics head. It includes upper die and lower die who sets up correspondingly up and down, and forms injection cavity between upper die and lower die, and upper die includes front plate, the stripper plate who is connected with front plate bottom surface through stripper plate pull rod, and the female die plate who is connected with front plate through small pull rod, and the stripper plate placing groove who is used to install stripper plate is set up on female die plate upper surface. The utility model has the advantages that: after the technical scheme injection moulding is completed, the male die plate retreats, the front plate and the female die plate open, the stripper plate pull rod forces the stripper plate to separate from the female die plate, the sprue is pulled out by the stripper plate from the female die plate and automatically falls, the male die plate continues to retreat and separates from the female die plate, and the product is ejected and taken out, the flow channel structure is pulled out by the material pulling plate, and after the injection moulding is completed, it is automatically dropped, the mould is simplified, and the process of increasing manpower to take the flow channel or increasing the mechanical hand to take out the flow channel is avoided.

This utility model belongs to the field of mold technology, specifically relating to a mold for a miniature circuit breaker transformer, including a punch assembly, a die, and an ejection assembly. The punch assembly and the die form a molding cavity. The punch assembly is connected to a movable plate via a punch base, and the die is connected to a fixed plate via a die base. Crucially, the die is provided with a set of fine sprues communicating with the molding cavity. These fine sprues are located at the top of the molding cavity and arranged in an array around the axis of the cavity. The inlet end of the fine sprues is located within a flow channel and connected to the gating port via the flow channel. This mold allows the molten liquid to fill the molding cavity evenly and demold smoothly, reducing the scrap rate and effectively improving the product quality and precision of the miniature circuit breaker transformer housing.

The utility model relates to injection molding processing technical field discloses a cutter for injection mold and injection mold. The cutter for injection mold includes installation portion and cutting portion, and the installation portion is movably installed in the mould body, the cutting portion is connected in the top of installation portion, and the cutting portion is used for cutting off the sprue on the piece to be shaped, and the top surface of cutting portion includes the cutting surface and the guide surface that are connected, and the guide surface is gradually inclined to the direction of far away from the cutting surface from top to bottom. The cutter for injection mold, through setting the top surface of cutting portion as the cutting surface and the guide surface that are connected, the cutting surface can cooperate with the mould body and cut off the sprue, and the cut-off sprue can fall into the collection area along the guide surface, thereby realizing the complete separation between the sprue and the piece to be shaped, and further realizing the automatic cutting of the sprue, ensuring the appearance quality of finished product, and saving the labor cost simultaneously.

This invention relates to a method for producing support roll steel, belonging to the field of metallurgical industry, and solves the problems of high cost and severe shrinkage porosity in existing support roll steel. The method for producing support roll steel includes: smelting, deoxidizing, desulfurizing, and refining the support roll steel ingot raw material, adjusting the alloy composition to obtain a first portion of support roll steel molten steel, tapping the steel, vacuum casting, and solidifying to obtain a solidified billet shell and liquid steel inside the billet shell; smelting, deoxidizing, desulfurizing, and refining the support roll steel ingot raw material, adjusting the alloy composition to obtain a second portion of support roll steel molten steel, tapping the steel, mixing the second portion of support roll steel molten steel with the liquid steel inside the billet shell within the solidified billet shell of the first portion of support roll steel, vacuum casting, solidifying to obtain a complete support roll steel ingot, demolding, removing the sprue, forging, removing the riser, heat treating, and machining to obtain the support roll steel; the composition of the first portion of support roll steel and the second portion of support roll steel molten steel differs.

This invention discloses a method for external spinning of cylindrical parts with internal steps, belonging to the field of spinning forming. The method involves designing a dedicated spinning mandrel with concave steps, a spinning blank with convex steps that matches the mandrel, and a tail cap to fix the spinning blank. Through the selection and heat treatment of the spinning blank, the spinning blank, mandrel, and tail cap are processed. The spinning blank is then clamped on a spinning machine, and the straight cylindrical section of the cylinder is spun. After spinning, it undergoes heat treatment and annealing. A series of processes are then performed, including turning the outer diameter of the inner platform stage and removing the sprue. This method achieves external spinning of cylindrical parts with internal steps, solving the problems of increased weld seams, low processing efficiency, and difficulty in guaranteeing quality caused by the need to process and weld the inner platform stage and straight cylindrical section as separate parts in existing external spinning methods for cylindrical parts with internal steps.

This invention relates to the field of sawing technology and discloses a safety saw specifically for sawing casting gates. It includes a base, a processing table mounted on the base, a fixed fixture mounted on the processing table, a guide rail mechanism on the processing table, a saw table slidably mounted on the guide rail mechanism, a housing mounted on the saw table, and a saw blade rotatably mounted on the housing. The fixed fixture includes a mounting base, an adjusting seat fixedly mounted at one end of the mounting base, a pad mounted on the mounting base, and an angle sensor mounted at one end of the mounting base. A drive shaft is fixedly mounted on the adjusting seat. The saw table moves linearly along the guide rail mechanism, and the adjusting seat drives the mounting base to rotate on the processing table via the drive shaft. The angle sensor monitors the rotation angle of the mounting base. This invention, through the cooperation of the fixed fixture and the saw table, can automatically perform multi-mode cutting of casting gates—straight, inclined, curved, and symmetrical inclined surfaces—reducing manual adjustment and meeting safety processing requirements.

An ultrasonic sprue removal device waste discharge structure includes a cutting box, a housing, a base plate, and support feet. The bottom of one side of the cutting box has an integrally formed discharge port. The top of the cutting box is open, and induction gratings are installed at the top of the inner walls on both sides. An ultrasonic mold is located in the center of the bottom of the cutting box cavity, and a vibrating plate is installed at the bottom of the cutting box cavity. This waste discharge structure of the ultrasonic sprue removal device, through the vibrating plate at the bottom of the cutting box cavity and the vibration motor designed inside the housing, along with the design of the vibrating plate, transmission rod, and shock-absorbing column, allows the vibration motor to drive the vibrating plate in the cutting box cavity to vibrate, thereby moving the waste on the vibrating plate to the discharge port, thus achieving the purpose of automatic waste discharge.

This utility model discloses a casting runner filtration system, belonging to the field of casting technology, including a sprue; several horizontal runners, one end of which is connected to the lower end of the sprue, and the other end of which is connected to a slag collection bag; several filters, the upper end of which is connected to the side of the horizontal runners, with a thin-plate flow channel; the height of the thin-plate flow channel is lower than the height of the horizontal runner, the width-to-height ratio of the thin-plate flow channel is ≥5:1, and the height ratio of the horizontal runner to the thin-plate flow channel is ≥8:1; several ingates, one end of which is connected to the lower end of the filters, and the other end of the ingates is connected to the mold cavity; the horizontal runners, slag collection bag, and thin-plate flow channels of this utility model can block some slag from entering the filter, while the filter can filter out slag in the molten iron, realizing two-stage slag blocking of molten iron in the same sand mold, avoiding excessive slag entering the mold due to various abnormalities, reducing slag on the inside and outside surface of the casting, improving the casting qualification rate, and preventing filter clogging.

This invention relates to the field of die-casting mold sprue sleeve technology, specifically a detachable anti-sticking structure for die-casting mold sprue sleeves. It includes a sprue sleeve inlet seat, with a sprue sleeve delivery pipe fixedly connected to the bottom surface of the sprue sleeve inlet seat. A heating sleeve is slidably connected to the outer surface of the sprue sleeve delivery pipe. An insulation sleeve is fixedly installed inside the heating sleeve, and a set of electric heating wires is fixedly installed inside the insulation sleeve. An external power supply is electrically connected to the outer surface of the insulation sleeve, penetrating the outer surface of the heating sleeve and extending to the outside of the heating sleeve. A cooling water tank is provided inside the sprue sleeve inlet seat. Detachable connection is achieved through a limiting mechanism inside the heating sleeve cooperating with a tongue plate on the bottom surface of the sprue sleeve inlet seat. The heating sleeve can be quickly installed and removed without special tools, making operation simple and convenient, significantly shortening the maintenance and replacement time of the heating components, and improving production continuity.

This application provides a submersible gate mold and injection molding equipment. The submersible gate mold includes a mold core, a sprue, and at least one protruding block. The mold core has a communicating cavity and at least one gate. The sprue has at least one inclined runner, which communicates with the gate. The protruding block blocks one end of the inclined runner near the gate, and at least partially protrudes from the sprue and is located at the gate. The protruding block has an auxiliary cut-off channel, through which the gate communicates with the inclined runner. The submersible gate mold reduces mold adjustments and improves the complexity of product molding operations while ensuring less mixing debris and reducing mold wear.

The utility model discloses an automatic sprue structure of taking off, including dental core, transmission assembly and ejection assembly, dental core top end sets the sprue groove, and the sprue groove is used to accommodate the sprue of injection molding material formation, transmission assembly is connected with dental core to drive dental core to carry out the rotation movement, and make product and sprue separate, the thread type cavity groove of dental core side surface setting in the rotation process, with the thread structure of product inner wall relatively moves, and this relative movement makes the thread bite cooperation between dental core and product gradually reduce, until dental core and product loosen, ejection assembly is used for after dental core rotates and will sprue from dental core on top, and push the pipe and take out product from dental core on top, because in the demoulding before through dental core rotation makes product and dental core loosen, the binding force between product and dental core greatly reduces, avoided the product deformation problem of traditional demolding mode because of local excessive stress, and the sprue is taken out from the sprue groove of dental core when the ejector pin rises, realized the quick separation of sprue and dental core.

The present application relates to the technical field of high-temperature alloy casting, and particularly relates to a mold shell and a method for evaluating the castability of high-temperature alloy. The mold shell for evaluating the castability of high-temperature alloy comprises a runner system and a hot cracking tendency test unit and a filling capacity test unit connected to the runner system respectively; the runner system comprises a sprue, a straight runner, a cross runner, a first pouring plate and a second pouring plate; the hot cracking tendency test unit and the filling capacity test unit each comprise a bottom surface and four side vertical surfaces, and the four side vertical surfaces form a box-like structure without a cover around the bottom surface; and the side vertical surfaces of the hot cracking tendency test unit are provided with feature notches of various shapes. The mold shell for evaluating the castability of high-temperature alloy can ensure that the castability of the alloy, including the hot cracking tendency and the filling capacity, is evaluated simultaneously under the condition that the process conditions are completely consistent.

The application relates to a high-pressure water cutting device for removing a sprue of a magnesium alloy die casting, which comprises a 'fang' shaped protective fence frame, an inlet and an outlet are arranged on the front side of the protective fence frame, a rectangular annular drainage ditch is formed on the ground inside the protective fence frame, a robot is arranged in the middle of the ground inside the drainage ditch, a water cutter and a flushing nozzle are respectively arranged at the tail end of a mechanical arm of the robot, the robot controls the cutting track of the water cutter, the flushing nozzle moves along the cutting track of the water cutter, and the cutting part is flushed; longitudinal travelling crane tracks are respectively arranged in the protective fence frames on the two sides of the robot, the travelling crane tracks are fixed on the ground and extend out of the inlet and the outlet of the protective fence frame; a carrying trolley is arranged on the travelling crane track, and a workpiece clamping table is fixedly connected to the carrying trolley. The high-pressure water cutting device adopts the robot to control the operation of the water cutter, the cutting is convenient and the precision is high; and a general die casting clamping table which is convenient and stable to clamp is designed.

The present application relates to the technical field of counter gravity casting, and particularly discloses a wheel casting forming equipment and method based on three sprue filling of outer rim, which comprises a holding furnace, a liquid lifting pipe, a mold and a pressure system; the metal liquid is made to rise through the liquid lifting pipe and enter the mold through the pressure system. The liquid lifting pipe is connected with a sprue cup at the top, the sprue cup is connected with the mold cavity through a pouring structure, the sprue on the mold is arranged at the position of the outer rim of the wheel, and the metal liquid is poured horizontally; the pouring structure comprises a first pouring channel responsible for pouring one spoke, and second and third pouring channels responsible for pouring two spokes and having the same structure; the included angles between the pouring channels are all 120°. The present application has the advantages of stable filling, elimination of the risk of insufficient pouring, improvement of the feeding effect, shortening of the production rhythm, significant improvement of the casting forming quality of large-size aluminum alloy wheels larger than 18 inches, and especially the mechanical properties of the spoke core and the rim position.

This product is a hot sprue bush used in molds for resin molding, and is a miniaturized sprue bush with a heater heating function, in which the sprue portion (elongated cylindrical portion) extending from the flange portion is shortened to a length of approximately 30 mm. As shown in the reference diagram illustrating the usage state, a heater (particularly a sheathed heater with a small diameter of approximately φ1.8 mm) is attached around the flow path of the molten resin in the sprue portion to maintain the molten state of the injected molten resin, and a thermocouple is positioned to measure the heating temperature by the heater. The short sprue portion is efficiently heated by the heater, improving yield.

This invention relates to the field of lost-casting technology, and provides a point-to-point feeding gating system and method for casting thick sections of lifting lugs in lost-casting. The system includes a pouring cup, a sprue, and a runner. The pouring cup connects to the sprue, and the sprue connects to the runner. Four ingates are provided above the runner, directly connecting to the thick sections of the lifting lugs at the four corners of the foam model of the casting, forming a single feeding channel from the runner to the thick sections of the lifting lugs. The ratio of the cross-sectional area of ​​the runner to the cross-sectional area of ​​the ingates is 1.5:1 to 2.5:1, and the ratio of the cross-sectional area of ​​the ingates to the maximum cross-sectional area of ​​the thick section of the lifting lugs is 1:3 to 1:5. By adopting a simplified structure with a single main runner and four ingates, the redundant runners required for feeding the lifting lugs in traditional solutions are eliminated, reducing the material consumption of the gating system by more than 50% and increasing the process yield to over 85%.

This utility model discloses a laser cutting machine tool for workpiece sprue, including a cutting mechanism, a material handling mechanism mounted above the cutting mechanism, and injection molded workpieces handled by the material handling mechanism. The material handling mechanism includes a material handling support frame, a movable material handling component fixedly mounted above the material handling support frame, a Y-axis track mounted above the material handling support frame to cooperate with the movable material handling component, and a movable stage assembled with the Y-axis track and capable of Y-axis movement on the material handling support frame, a workpiece handling robot fixedly mounted on the movable stage, an X-axis transmission belt driven by a motor and located inside the movable stage, and Y-axis belt transmission mechanisms mounted on both sides of the movable stage and fixedly mounted with the material handling support frame. Through multi-degree-of-freedom linkage and precise material handling and cutting mechanisms, the automation level, processing accuracy, and production efficiency of laser cutting of workpiece sprues are improved.

The utility model relates to injection molding machine auxiliary stripping equipment technical field, specifically is a kind of device of auxiliary injection molding machine injection molding product stripping, including bottom mould body, the vertical hole that is connected with the vertical hole of mould cavity runner is provided in bottom mould body inside, and vertical hole has multiple groups, the gasket for guiding is screw-engaged and installed in vertical hole inside, and gasket inside is inserted and is connected with the T-shaped rod of vertical hole sliding, the L-shaped slot that is connected with vertical hole is provided in bottom mould body inside, and L-shaped slot has multiple groups;When top mould body and bottom mould body are mutually separated and stripping, bottom mould body inside L-shaped rod loses pressure after top mould body separates, to release the downward pressure that T-shaped rod inside vertical hole is exerted, subsequently can make the spring of T-shaped cylinder outer periphery gasket surface can provide thrust for T-shaped rod, so that the end of T-shaped rod can pass through gasket and conveniently eject the sprue in bottom mould body internal mould cavity, it is convenient to improve the convenience when sprue stripping.

The utility model relates to the field of precision casting, and specifically discloses a sprue rod convenient to identify, which comprises a sprue rod and a sprue cup integrated with the sprue rod, the side surface of the sprue cup is welded with an identification block, and the surface of the identification block is provided with a material quality mark, the utility model welds the identification block on the side surface of the sprue cup, the specific material quality can be directly seen by using the material quality mark on the identification block, and the identification block is single, the identification block of the same batch of material quality can be prepared in batches, the cost is low, and the preparation is convenient.

This invention discloses an automatic sprue cutting device for metal castings, belonging to the field of casting processing technology. It includes a frame with first toothed plates on both sides of the upper part of the frame. A driving mechanism is meshed onto each of the first toothed plates. The driving mechanism has a striking bracket, and a transverse moving assembly is located on both sides of the upper part of the striking bracket. Two impact components are mounted on the transverse moving assembly, and hammer assemblies are located below each of the two impact components to provide stable support and limit the casting, preventing displacement or jumping during impact. An inclined discharge slide is located below the support frame, allowing the cut casting to automatically slide down under gravity, achieving automatic discharge and centralized collection, reducing manual intervention. Through a dual-station structure design, it can also achieve a continuous operation mode of processing on one side and feeding on the other, further improving equipment utilization and production cycle. It effectively solves the problems of low efficiency, unstable quality, and high labor intensity of traditional manual sprue cutting, realizing automated, high-efficiency, and highly consistent production of casting sprue cutting.

This utility model relates to the field of mold manufacturing technology, specifically a camera detector embedded shell mold, including an upper mold base, a lower mold base, a sprue assembly, and a monitoring assembly. The upper and lower mold bases have inner templates on their inner sides. An embedded groove is formed at the center of the upper mold base. The sprue assembly is disposed within the embedded groove. The sprue assembly includes a sprue sleeve and a steel ball. The sprue sleeve has a movable groove and a limiting hole. The steel ball is located in a groove on the inner wall of the embedded groove and is connected to a first spring on its inner side. The outer part of the steel ball extends into the embedded groove. An extrusion block is slidably disposed within the movable groove, and an extrusion rod is fixed to the extrusion block. A second spring is connected to the lower end of the extrusion block. This design enables rapid disassembly and precise positioning of the sprue sleeve without the need for professional mold makers or specialized tools. The operation is time-saving and labor-saving, effectively improving mold maintenance efficiency, reducing production costs, and minimizing downtime during disassembly and assembly.

This utility model discloses an injection mold that prevents products from sticking to the front mold. It includes a front mold mechanism and a rear mold mechanism. The front mold mechanism includes a front top plate, a front mold plate, a front mold core, a hot runner needle valve assembly, and an air ejector device. The rear mold mechanism includes a rear mold plate, a rear mold core, and several undercut pins. A sprue is provided at the sprue port on the front top plate. The hot runner needle valve assembly is installed inside the front mold plate and communicates with the sprue. The front and rear mold cores cooperate to form a mold cavity. Each needle valve nozzle of the hot runner needle valve assembly extends into the mold cavity. The air ejector device includes an air pipe and an air nozzle. Each air pipe's outlet end is equipped with an air nozzle, each pointing downwards and corresponding to the mold cavity. The undercut end of each undercut pin extends upwards through the top surface of the rear mold core and into the mold cavity. This utility model achieves balanced demolding without product dragging through the synergistic effect of front mold air ejection and rear mold undercut pins, improving product yield.