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350 results about "Sprue" patented technology

A sprue is the passage through which liquid material is introduced into a mold. In many cases it controls the flow of material into the mold. During casting or molding, the material in the sprue will solidify and need to be removed from the finished part. This excess material is also called a sprue.

Abrasive belt grinding and deburring machine for residual roots of casting head of turbine shell of gas compressor

The invention relates to the technical field of workpiece residual root grinding, and discloses an abrasive belt grinding and deburring machine for residual roots of a casting head of a turbine shell of a gas compressor, which comprises a grinding and deburring machine main body and a grinding and deburring mechanism fixed at the rear end of the top of the other side of the grinding and deburring machine main body, a first stand column is fixedly installed on one side of the top of the grinding and deburring mechanism, and a second stand column is fixedly installed on the other side of the top of the grinding and deburring mechanism. When the residual root of the casting head of the turbine shell of the gas compressor is ground, if the cross section of the residual root is large and smooth, the bending adjusting plate is rotated to be in a vertical state, the maximum cross section of the first grinding abrasive belt makes contact with the residual root for grinding, and if the residual root is a curved surface or an inclined surface, the bending adjusting plate is rotated to be adjusted to a proper angle, so that the residual root is ground. And then, after a locking bolt penetrates through an arc through groove to lock the bending adjusting plate, the first grinding abrasive belt is located at a proper angle to grind the residual root of the casting head of the turbine shell of the gas compressor.
Owner:WUXI PUJIN PRECISION MASCH MFG CO LTD

Box type sand core type pouring system

The invention relates to a box type sand core type pouring system which comprises a sand box, a pouring system and a sand core box, and the pouring system comprises a first mold, a plurality of second molds, a cavity and a sprue; after sand is put into the sand core box to be solidified, the sand box is opened, and the first mold and the second mold are pulled out, so that channels, left on the sand box and the sand core box, of the first mold and the second mold form a transverse pouring gate and an inner pouring gate respectively; enabling the molten iron to sequentially pass through a straight pouring gate, an inner pouring gate and a transverse pouring gate to enter a cavity, and completing the molding of a casting; by optimizing the design of the pouring channel, uniform distribution of molten metal is achieved, the defects, such as air holes and shrinkage porosity, in a casting are reduced, and the overall quality of the casting is improved. By optimizing the design of the pouring channel, the hardness deviation of the plate surface is obviously reduced to be at least HB10, the sand inclusion and falling defects of the plate surface are eliminated, the use of consumables such as a ceramic tube, a rubber bottom and tube sticking glue is reduced, the production cost is greatly reduced, and the production efficiency is improved.
Owner:GUANGDONG MODERN FOUNDRY CO LTD

Automatic sprue shearing structure of injection mold

PendingCN121468890ARotational axisSteel ball
The invention belongs to the technical field of injection molds. The problems that in the prior art, an automatic sprue shearing structure of an existing injection mold is large in occupied space, poor in sprue shearing quality and long in shearing action beat are solved. The automatic sprue shearing structure of the injection mold comprises a rotating shaft which is vertically and rotatably arranged on a movable mold, a branch runner which is communicated with a cavity and a main runner is formed between the upper end face of the rotating shaft and a fixed mold, a spiral groove is formed in the outer side wall of the rotating shaft, and a steel ball fixing ring is fixedly connected to the movable mold. The rotating shaft is inserted in a steel ball fixing ring, a steel ball is embedded in the steel ball fixing ring, the steel ball is embedded in a spiral groove of the rotating shaft, the movable mold comprises a first movable mold plate and a second movable mold plate which are sequentially arranged from top to bottom, and when the first movable mold plate moves relative to the second movable mold plate, the first movable mold plate is fixed; the rotating shaft can move in the vertical direction and can be pushed by the steel balls to rotate by a certain angle. The pouring gate shearing device has the advantages of compact structure, good pouring gate shearing quality and short shearing action beat.
Owner:ERA CO LTD

A composite runner and casting method for a light-weight high-toughness diesel engine cylinder head

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.
Owner:XIAN TECH UNIV

An automatic loading and unloading check valve material head trimming device and method thereof

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.
Owner:DACHUAN PLASTIC IND (KUNSHAN) CO LTD

Ejection water outlet material anti-splashing structure

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.
Owner:EVA PLASTIC & ELECTRONIC PROD (SHENZHEN) CO LTD

Glove structure capable of automatically dropping off injection molded plastic head

ActiveCN224296419UAdd the process of removing the runnerAvoid increasing manpower to access the flow pathRobot handInjection moulding
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.
Owner:KUNSHAN FENGSHI ELECTRONIC APPEARANCE APPL TECH CO LTD

Die-casting die for motor rotor

The utility model provides a die-casting die for a motor rotor, which comprises a pouring tray, the pouring tray comprises a plurality of pouring gates arranged around the circle center of the pouring tray, the pouring gates penetrate through the pouring tray and form downward bulges on the lower surface of the pouring tray, and the extension direction of the pouring gates is perpendicular to the plane where the pouring tray is located; the cavity is located below the pouring tray, the cavity comprises a plurality of feeding ports, the feeding ports correspond to the pouring gates one to one, and the tail ends, close to the feeding ports, of the pouring gates are pouring gates; wherein at least one pouring gate is in the shape of a rounded rectangle, and the sectional area, parallel to the plane where the pouring tray is located, of at least one pouring gate is gradually reduced in the direction close to the cavity. According to the utility model, the number of local empty aluminum and air holes in the mouse cage die-casting process can be reduced, and the density of the mouse cage is improved.
Owner:NANCHANG HICHLY ELECTRICAL APPLIANCE +1

A mold for miniature circuit breaker transformers

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.
Owner:河北申科模具有限公司

A cutting tool for injection mold and injection mold

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.
Owner:QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE HAIER WATER HEATER CO LTD +1

In-mold automatic sprue cutting mechanism and injection mold

The invention belongs to the technical field of injection molds, and relates to an in-mold automatic sprue cutting mechanism and an injection mold, the in-mold automatic sprue cutting mechanism comprises a transmission assembly, a conjugate cam, a sliding block and a cutter; the cutter is arranged at the connecting root of the sprue and the product, the sliding block clings to the cutter, and the top walls of the cutter and the sliding block jointly form a partial molding surface of a sprue runner; the transmission assembly drives the conjugate cam to rotate to drive the sliding block and the cutter to slide during mold opening; the conjugate cam comprises a cam I and a cam II which drive the sliding block and the cutter through a wheel rail and a roller respectively; a preset phase difference is arranged between wheel rails of the two cams, and step-by-step actions are achieved. A first cam drives a sliding block to lift a pouring gate, so that the pouring gate is bent and deformed. The second cam drives the cutter to extend out of the cut-off sprue and then reset; the sliding block keeps lifting the pouring gate; the first cam is a reset sliding block. The in-mold automatic sprue cutting device is driven by a mold opening machine, achieves in-mold automatic sprue cutting without wiredrawing connecting bridges and waste returning and with a flat cutting face, does not have redundant rubber protrusions on the surface of a product, is stable in cutting quality and is suitable for automatic injection molding production.
Owner:SUZHOU JINGHUISI MOULD CO LTD

Ejection device for cutting off the sprue of a die casting of a PCU middle cover and method for cutting off the sprue

ActiveCN116274972BDie castingPolycarbonate
This invention relates to the field of PCU (Polycarbonate Unit) cover processing technology, and particularly to a device and method for removing the slag buds of die-cast PCU covers. Through the coordinated design of a specific structure and positional relationship, including a positioning seat, crossbeam, first drive cylinder, clamping component, second drive cylinder, slag removal plate, first rotary cylinder, first clamping block, second rotary cylinder, second clamping block, support seat, guide rail, slide, drive device, and saw blade, along with a specific cutting processing method, the slag buds and flow channels of the die-cast PCU cover are removed through two independent fixing and cutting processes. This achieves precise and automated removal of the slag buds and flow channels of the die-cast PCU cover. Compared to existing technologies that require manual hand-held electric sawing for removing the slag buds of PCU covers, this invention significantly improves work efficiency and ensures stable and uniform cutting quality during mass production of PCU covers.
Owner:PUTIAN RONGXING MECHANICAL

Temperature control and pressure relief method for sprue of low-pressure casting mold and low-pressure casting mold

The invention relates to the technical field of low-pressure casting, in particular to a temperature control pressure relief method for a sprue of a low-pressure casting mold and the low-pressure casting mold, which comprises the following steps: responding to a trigger signal, and acquiring product parameters of a standard finished product according to the trigger signal; mold filling pressure and reference temperature are determined according to the product parameters; collecting a preset real-time pressure on the inner side of the sealed crucible; when the real-time pressure is consistent with the mold filling pressure, tamping parameters are determined according to the product parameters; on the basis of the tamping parameters, a perforated push plate preset in a riser tube is controlled to move up and down in a reciprocating mode, and a cooling signal is sent out after movement is finished; in response to the cooling signal, the molten metal extruded into the cavity under pressure is gradually cooled from top to bottom with a preset cooling method, and the preset judgment temperature of a sprue ring is collected in real time; when it is judged that the temperature is consistent with the reference temperature, the compressed gas is controlled to be discharged out of the sealed crucible at a constant speed through a preset pressure relief method. The method has the effect of improving the accuracy of pressure relief opportunity control.
Owner:HANGZHOU HELI MASCH CO LTD

Plastic chair injection mold with multi-sliding-block demolding mechanism

The invention relates to a plastic chair injection mold with a multi-sliding-block demolding mechanism. The plastic chair injection mold comprises a core mold, a cavity mold, an ejection mechanism and two core pulling mechanisms. A first insert for forming a chair seat is arranged in the core mold in a sliding mode in the mold opening and closing direction, a base is fixedly installed on the first insert, and the two core pulling mechanisms are arranged on the base, located on the two sides of the first insert and used for demolding of armrests and corresponding chair legs. The mold further comprises a first driving part and a second insert for forming the cover plate, the first insert is provided with a groove, the second insert is rotationally arranged in the groove, the first driving part drives the second insert to rotate, and a plurality of pouring gates communicated with the cover plate and the seat forming cavity are arranged in the circumferential direction of the second insert. The ejection mechanism is arranged on the base and can eject the plastic chair body and the cover plate out. According to the mold, the plastic chair body and the cover plate are integrated in one set of mold to be molded, and the plastic chair body and the cover plate are separated and synchronously ejected out by rotating and snapping a pouring material through the second insert, so that the number of molds is reduced, the mold opening cost and field occupation are reduced, and the production efficiency is improved.
Owner:TAIZHOU SUKK TECH CO LTD

A method of producing a backup roll steel

ActiveCN119609095BMolten metal pouring equipmentsCounter-pressure devicesVacuum castingIngot
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.
Owner:TIANJIN HEAVY EQUIP ENG RES +1

Wear-resistant rotor bearing die-casting mold device

The utility model discloses an anti-abrasion type rotor bearing die-casting die device, which belongs to the technical field of rotor bearing die-casting dies and is characterized by comprising a movable die, a fixed die is arranged at the bottom of the movable die, a pouring gate is arranged at the top of the movable die, a protection mechanism is arranged in the pouring gate, and adjusting mechanisms are arranged on opposite sides of the movable die and the fixed die. The protection mechanism comprises a feeding pipe, a protection sleeve, a mounting groove, a mounting plate and a mounting block, the surface of the feeding pipe is fixedly connected with the interior of the protection sleeve, the bottom of the protection sleeve extends into the mounting groove and is in threaded connection with the interior of the mounting groove, the mounting groove is formed in the top of the mounting block, and the interior of the mounting plate is fixedly connected with the surface of the mounting block. The problems that in the existing die-casting process, high-temperature and high-pressure molten metal scours the surface of a die, especially a sprue, a cavity and other parts at a high speed, die abrasion is easily caused, the service life of the die is shortened, and the production cost is increased are solved.
Owner:LANZHOU JIAOTONG UNIV

Automatic sprue grinding equipment for casting

The automatic casting sprue grinding equipment comprises four linear sliding table modules, the first linear sliding table module is fixed to a material containing table through a supporting frame, and the end of the second linear sliding table module is horizontally arranged on a sliding plate of the first linear sliding table module; the third linear sliding table module is vertically arranged on a sliding plate of the second linear sliding table module, a clamping assembly is arranged at the bottom of a sliding plate of the third linear sliding table module, the six-axis mechanical arm is arranged to move back and forth between the fourth linear sliding table module and the belt sander, and a material inclined groove is formed in the front side of the belt sander. The mode that the linear sliding table module is combined with the clamping assembly is adopted for clamping and transporting, the product remodeling adjusting mode can be simplified, the product clamping path of a six-axis mechanical arm can be shortened, and therefore the production efficiency is improved, meanwhile, the mode that machined products are collected through a material groove is adopted, and the production efficiency is improved. And the product placing mode of the six-axis manipulator can be simplified, the production takt can be accelerated, and the fault alarm rate during placing can be reduced.
Owner:HUIDONG COUNTY JIBANG HARDWARE PROD

Bottle preform injection mold for wide-mouth bottle

ActiveCN224103381UElectric machineryBottle
The utility model provides a wide-mouth bottle preform injection mold, and relates to the technical field of wide-mouth bottle injection molds, the wide-mouth bottle preform injection mold comprises an operation table, and further comprises a processing mechanism arranged on the outer side of the end part of the operation table, the processing mechanism comprises a mold body and a rotating assembly arranged on the upper surface of the operation table, the rotating assembly is used for conducting multi-angle adjustment on the mold body, in the pressure maintaining stage, the motor is started to drive a series of components to operate, finally, the mold body is made to rotate, plastic melt is made to be continuously redistributed in a cavity, and therefore the mold is formed. According to the device, redundant melt can be accurately conveyed to a part, such as a specific area of a bottle body, which is far away from a sprue or is influenced by a mold structure and has lower pressure, so that sink marks and recesses are effectively prevented, and the appearance quality of a product is remarkably improved.
Owner:HAIYAN MINGSHENG PLASTICS CO LTD

Metal hot crack sensitivity detection device

The utility model discloses a metal hot crack sensitivity detection device, relates to the technical field of metal casting, and aims to solve the problem of lack of a metal hot crack sensitivity detection device for molten metal in the prior art. The casting cavity is communicated with a sprue, ring iron is arranged in the casting cavity, the ring iron and the casting cavity are concentrically arranged, the width of the ring iron is the same as that of the casting cavity, and the diameter of the ring iron is smaller than that of the casting cavity; a chilling block is arranged at the bottom of the casting cavity, and the upper surface of the chilling block and the bottom face of the casting cavity are arranged at the same height.
Owner:SHENYANG TIANYUHANG AUTOMATION EQUIP CO LTD

Injection mold for PU wheel with metal hub

The utility model discloses an injection mold for a metal hub PU (polyurethane) wheel, which comprises a movable mold bottom plate assembly, a movable mold core and a fixed mold bottom plate assembly, a mold frame is arranged between the movable mold bottom plate assembly and the fixed mold bottom plate assembly, a stop block is arranged between the mold frame and the fixed mold bottom plate assembly, and the movable mold core is arranged on the movable mold bottom plate assembly. Three mold core mounting fixing bolts are arranged on the side edge of the movable mold core, the movable mold core wraps the outer portion of the PU wheel pouring cavity, and the PU wheel pouring cavity is communicated with the sprue. According to the injection mold for the metal hub PU wheel, after the PU wheel is subjected to injection molding and cooling molding, controllable air flow can be used for blowing out the PU wheel from the interior of the molding cavity, so that the PU wheel is prevented from being damaged, and the service life of the PU wheel is prolonged. And the efficiency is high, the controllability is good, deformation and damage of the PU wheel can be avoided, and the machining quality and efficiency of injection molding of the PU wheel are improved.
Owner:DONGGUAN ZHONGLIANG SPORTS EQUIP CO LTD

Single-riser casting sand mold

The utility model discloses a single-riser casting sand mold, and relates to the technical field of casting molding. The pouring device comprises a cavity, inclined pouring gates and a pouring cup, the two inclined pouring gates are arranged on the peripheral side of the cavity, the pouring cup is arranged above the higher ends of the inclined pouring gates, the two sets of inclined inner pouring gates are further arranged on the peripheral side of the cavity, the inner pouring gates are fixedly connected with the cavity in a through mode, and the higher ends of the inner pouring gates in each set are jointly and fixedly connected with a transverse pouring gate. And one side of the transverse pouring gate is fixedly connected with the inclined pouring gate in a through mode, the bottom end of the pouring cup is fixedly connected with a valve, and a ceramic filter screen is arranged in the pouring cup. By arranging the two inclined pouring gates, the two transverse pouring gates, the two sets of inclined inner pouring gates, the pouring cup, the liquid storage barrel, the valve and the ceramic filter screen, the problem that bubbles are generated in the process of adding molten metal into an existing single-riser casting sand mold is solved; and the pouring speed is low. And the flow velocity of the molten metal cannot be controlled. And impurities in the molten metal cannot be removed.
Owner:HUIXIAN PRECISION CASTING MACHINERY MANUFACTURING CO LTD

Casting liquid fluidity experiment device and method

The invention relates to the technical field of investment casting, in particular to a casting liquid fluidity experiment device and method. The casting liquid fluidity experiment device comprises a pouring cup, a main pouring gate, a bent pouring gate, a bottom pouring transverse pouring gate and a bottom pouring test plate. The first end part of the main pouring gate is communicated with the pouring cup; one end of the bent pouring gate is communicated with the bypass position of the main pouring gate; one end of the bottom pouring cross gate is communicated with the second end part of the main pouring gate; the interior of the bottom pouring test plate is hollow; one end, far away from the main pouring gate, of the bottom pouring cross gate is communicated with the bottom pouring test plate; the extension direction of the bottom pouring test plate is intersected with the extension direction of the bottom pouring cross gate; the bottom pouring test plate and the bent pouring gate are positioned on the same side of the bottom pouring cross gate; the cross section of the bottom pouring test plate is rectangular; the extension length of the bent pouring gate is greater than that of the bottom pouring test plate; in this way, the problems that in the prior art, casting liquid fluidity testing is single, and evaluation is not comprehensive enough are solved.
Owner:SHENYANG RES INST OF FOUNDRY

Needle valve type hot runner assembly

The utility model relates to the technical field of injection molding, in particular to a needle valve type hot runner assembly which comprises a main body, and the side surface of the main body is fixedly connected with a valve body assembly; the valve needle is controlled through stretching of the electric control telescopic rod, vertical movement of the valve needle in the valve bin is achieved, opening and closing of the pouring gate are adjusted, accurate movement of the valve needle, control over the opening and closing time of the pouring gate and reduction of salivation and dripping phenomena can be achieved through cooperation with the PLC, the integrated design is adopted, the number of parts is reduced, and the production cost is reduced. The rubber sealing ring has good elasticity and can generate uniform elastic deformation at the joint, so that the rubber sealing ring is tightly attached to the contact surface of the driving mechanism and the valve bin, melt or a cooling medium is effectively prevented from leaking, the rubber material can adapt to certain temperature and pressure changes, and the service life of the valve is prolonged. Even if the temperature rises or the pressure fluctuates in the working process of the hot runner system, the rubber sealing ring can still keep good sealing performance to ensure the stability of the system.
Owner:SUZHOU SUYU PRECISION MOULD CO LTD

Water gap cutting device

The utility model discloses a water gap cutting device which comprises a machine frame, a multi-axis robot is arranged on the machine frame, a grabbing assembly is arranged at the operation end of the multi-axis robot, and the grabbing assembly comprises a mounting plate and two grabbing mechanisms which are symmetrically arranged on the mounting plate in a spaced mode. The placing unit comprises a placing table, and a first material placing position and a second material placing position are symmetrically arranged on the placing table; the feeding unit comprises a feeding table, a feeding position is arranged on the feeding table, and the distance between the feeding position and the first discharging position is matched with the distance between the two grabbing mechanisms; the cutting and overturning unit comprises a mounting frame, a telescopic mechanism and a first overturning mechanism, the telescopic mechanism and the first overturning mechanism are arranged on the mounting frame, a punching head is arranged at the telescopic end of the telescopic mechanism, and a clamping mechanism is arranged at the overturning end of the first overturning mechanism. According to the water gap cutting device disclosed by the utility model, manual water gap structure cutting and manual injection product overturning are not needed, so that the working efficiency is improved.
Owner:NINGBO BECKWELL INTELLIGENT TECH CO LTD

An outer spinning method for a cylindrical part with an in-line step

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.
Owner:XIAN CHANGFENG ELECTROMECHANICAL RES INST

One-mold four-piece HWS static pressure molding casting device for brake drums

The utility model belongs to the technical field of HWS static pressure molding method casting, and discloses a brake drum one-mold four-piece HWS static pressure molding casting device which comprises four brake drum models, a pouring cup, a straight pouring gate, four transverse pouring gates and eight inner pouring gates, the upper end of the straight pouring gate is communicated with the pouring cup, the four transverse pouring gates are arranged in a cross mode, and the inner pouring gates are communicated with the pouring cup. The four brake drum models are arranged in a central symmetry mode, the symmetry center is a central intersection point of four cross gates which are crossed, the central intersection point is communicated with the lower end of the straight gate, each cross gate is communicated with two inner gates, and the two ends of each inner gate are respectively communicated with one brake drum model. According to the utility model, the casting production of four brake drums in one mold is realized, the yield of more than 90% can be realized, the utilization efficiency of materials in the casting process is obviously improved, the production efficiency of brake drum castings is greatly improved, the production cost of the brake drum castings is effectively reduced, and the brake drum casting mold has obvious technical advantages and process advancement.
Owner:SHANXI CHENGRONG EQUIP MFG CO LTD

Closestool plug injection mold

The utility model discloses a closestool plug injection mold which comprises an upper mold set, a lower mold set and a mold core, the upper mold set is provided with a glue injection nozzle communicated with an injection machine, and the glue injection nozzle is communicated with a product forming cavity of the mold core and used for guiding injection molding glue liquid; an upper mold core of the mold core is provided with a sprue bush, and the sprue bush is provided with a sprue spring; after the glue solution is injected, the sprue spring drives the sprue bush to move away from the upper mold core, air is guided into the air guide groove of the sprue bush, and the vacuum negative pressure state of the upper mold core is relieved; a lower die core of the die core is provided with an air guide sleeve, the air guide sleeve is sleeved with an ejector sleeve of the lower die set, the ejector sleeve is provided with an air guide groove, and the air guide groove is communicated with an air guide hole of the air guide sleeve; and air is introduced into the ejector sleeve for ejection displacement through the air guide groove and the air guide hole, so that the vacuum negative pressure state of the lower mold core is relieved, and the technical problems existing in the prior art are solved.
Owner:XIAMEN YOUNG&HANDSOME MOULD MFG CO LTD

A special sawing machine for cutting off the sprue of castings

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.
Owner:JINYUN XINHESHENG MASCH EQUIP CO LTD

Die additionally provided with sheath base plate structure capable of being bounced off

ActiveCN224224431UBoard structureSprue
The utility model relates to the technical field of molds, and discloses a mold added with a sheath base plate structure capable of being bounced off, which comprises a fixed mold and a movable mold, the fixed mold comprises a fixed mold plate and a fixed mold bottom plate, and the movable mold comprises a movable mold plate, a movable mold base plate, mold feet and a mold bottom plate; a runner and a front mold insert core are arranged on a fixed mold core of the fixed mold plate; a sliding block and a material handle are arranged on a movable mold core of the movable mold plate; an ejector sleeve and a movable mold insert core are arranged on the movable mold core, a sprue on the material handle extends into a product forming cavity, an external member which extends into the fixed mold core and is positioned on the outer side of the ejector sleeve is arranged on the movable mold base plate, the top end of the external member has a matching inclination, and immediate separation and mold assembly between the movable mold base plate and the movable mold plate are realized through a spring. By additionally arranging the sleeve piece with the matched inclination and the movable mold base plate structure capable of being bounced off, the contradiction of a traditional mold structure in the aspects of meeting product drawing requirements and preventing sliding blocks from being ground and damaged is effectively solved, and the applicability and the production efficiency of the mold are improved.
Owner:KUNSHAN M100 PRECISION MOLD&PLASTIC CO LTD

Die-casting die for aluminum shell

ActiveCN224087937Ucontrol flowprevent scurryingButt jointMaterials science
The utility model relates to a die-casting die for an aluminum shell, which comprises an upper die frame, a lower die frame and die feet, the upper die frame and the lower die frame are stacked up and down, an upper die core and a lower die core which are stacked up and down are arranged between the upper die frame and the lower die frame, and a die cavity structure is formed between the upper die core and the lower die core. Mold feet are installed on the lower end face of the lower mold frame, the left end and the right end of the mold cavity structure extend towards the front side to form a butt joint plate forming cavity, a sprue bush is installed at the front portion of the upper mold frame, and a sprue spreader cover plate and a sprue spreader base are installed at the lower end of the sprue bush. The sprue spreader cover plate and the sprue spreader base are arranged in an upper shoe stacking manner, a sprue structure in butt joint with the sprue bush is formed between the sprue spreader cover plate and the sprue spreader base, and two main runners extending to the front end of the mold cavity structure are symmetrically arranged on the rear side of the sprue structure. The utility model has the characteristics that the product quality is ensured, the product completeness is ensured, the molten aluminum channeling phenomenon is avoided, and the like.
Owner:MOULD CLOUD FACTORY