28results about "Foundry moulding apparatus" patented technology

The utility model relates to a kind of false core detection device for supercharger turbine wax mould production, the mould including upper mould and lower mould used in wax mould production, lower mould is provided with lower cavity, positioning sleeve for placing false core is equipped in lower cavity middle part, when false core is placed on positioning sleeve, the jack plug on false core is covered on positioning sleeve;Detection device includes: mounting bracket, is installed in the side of lower mould;Ranging sensor, install on mounting bracket, the emission path of the detection signal of ranging sensor passes through the upper opening of lower cavity, while emission path passes through the space occupied when false core is placed on positioning sleeve;Wherein, when false core is placed on positioning sleeve or false core is not placed on positioning sleeve, the distance signal output by ranging sensor is different, for judging whether false core is placed in lower cavity, so as not to carry out mould closing and wax pressing operation when not placing false core, realize the stable production of wax mould, improve the qualified rate of casting.

This invention provides a core box mold for casting large motor bases, belonging to the field of casting mold technology. The core box mold is manufactured based on the five-part structure of a large motor base sand core. The core box mold includes an inner cavity air hole sand core 1# core box for manufacturing inner cavity air hole sand core 1#, an outer cavity sand core 2# core box for manufacturing outer cavity sand core 2#, an outer cavity sand core 3# core box for manufacturing outer cavity sand core 3#, an outer cavity sand core 4# core box for manufacturing outer cavity sand core 4#, and an outer cavity sand core 5# core box for manufacturing outer cavity sand core 5#. These five core boxes are independent of each other. This invention provides a corresponding core box mold comprising five parts for the new integrated sand core structure of large motor bases, solving the manufacturing problem of the new integrated sand core and creating conditions for achieving boxless casting of the base.

A sand core mold includes an upper core box and a lower core box integrally formed. The upper core box includes a first side and a second side opposite to each other in a first direction. The first side has a sand injection hole, and the second side is recessed to form a first sand mold groove. The lower core box includes a third side and a fourth side opposite to each other in the first direction. The third side is recessed to form a second sand mold groove. The second sand mold groove and the first sand mold groove form a cavity, which communicates with the sand injection hole. Along the first direction, the size of the cavity in the second direction gradually increases from the end closer to the first side to the end closer to the fourth side. The first direction is perpendicular to the second direction. In this application, by integrally forming the upper and lower core boxes, the number of core boxes is reduced, the mold design and manufacturing cycle is shortened, thereby reducing material and processing costs. The cavity forms a draft angle with a reverse slope, so demolding can be completed simply by separating the upper and lower core boxes, reducing the breakage rate of the sand core.

The present invention aims to provide a stirring device for precision casting, and more specifically, to provide a slurry stirring device for precision casting that generates a vertical circulation flow by rotating a tank, thereby preventing slurry sedimentation and extending the service life of each conventional device. [Solution] The present invention relates to a slurry stirring device for precision casting, which stirs a slurry that is a solid-liquid two-phase fluid consisting of a liquid phase and powdered particles. The device comprises a base, an arm fixed to the base, a rotary drive unit, a tank rotated by the rotary drive unit, a stirring blade fixed to the arm and positioned at the bottom of the tank, and a vertical shielding plate fixed to the arm and positioned at the side of the tank. The device employs a configuration that generates not only circumferential circulation flow but also vertical circulation flow to prevent slurry sedimentation.

This utility model relates to the field of wax model tree stand technology, and more particularly to a rotatable wax model tree stand with a protective device. It includes a support plate and a base, with the support plate rotatably connected to the top of the base. Several sets of first mounting seats are fixed to the bottom of the support plate, and a second motor is fixed to the side wall of each first mounting seat. Compared to traditional rotatable wax model tree stands, this utility model improves the stability of the first cover plate's rotation through the cooperation of the first mounting seats, first connecting rod, first cover plate, and second motor. It also improves the convenience of the second cover plate's rotation through the cooperation of the first slot, second mounting seat, second connecting rod, second cover plate, and third motor. The segmented design of the first and second cover plates facilitates folding and storage. Activating the second and third motors sequentially unfolds the first and second cover plates to cover the surface of the support plate for protection, thereby preventing wax from dripping onto the wax model and improving the quality of wax model processing on the tree stand.

The application relates to a sound-attenuating dewaxing device. The sound-attenuating dewaxing device comprises a dewaxing mechanism, a spiral fin and a sound attenuator. The dewaxing mechanism comprises a first shell and a second shell, the first shell is sleeved outside the second shell to form a water passage, the first shell is provided with a water inlet and a water outlet which are communicated with the water passage, and the second shell is provided with a dewaxing cavity. The spiral fin is arranged in the dewaxing cavity of the second shell, and the outer wall of the spiral fin is connected with the inner wall of the second shell. The sound attenuator is connected with the inner wall of the spiral fin, the sound attenuator has a gas cavity, the side wall of the sound attenuator is provided with a gas outlet hole which is communicated with the gas cavity, and the bottom end of the sound attenuator is provided with a plurality of first wax outlets. The gas inlet pipe is communicated with the gas cavity of the sound attenuator. The gas outlet pipe is communicated with the dewaxing cavity of the second shell. The second shell, the spiral fin and the sound attenuator of the application form a spiral gas channel, the contact area and the contact time of the gaseous wax and the dewaxing mechanism are increased, and the dewaxing capacity of the dewaxing device is improved.

Described is a device (1) for the automated start and stop of a wax injection machine (101), the wax injection machine (101), particularly for goldsmith- silversmith production, on which said device (1) is installed and a process of injecting wax into the machine (101) itself. The device (1) comprises a loading zone (ZC) of the moulds (S) to be filled connected to a gripping zone (ZP), by means of a conveyor (2) that defines a loading direction (X) parallel to the direction of the flow of wax to be injected. The gripping zone (ZP) is for feeding an injection zone (Zl) of the wax in the moulds (S) by means of both a gripper (5) for gripping and transporting the mould (S) to be filled, towards the injection zone (Zl), and by means of a pusher (7) for moving the mould (S) from the gripping zone (ZP) to the injection zone (Zl). The device (1) further comprises sensor means (3, 4, 8) connected to a management and control logic unit of the conveyor (2), the gripper (5) and the pusher (7), for starting and / or stopping the device (1) upon detection of an obstacle within the loading zone (ZC) and / or within the gripping zone (ZP). This logic unit is for actuating compressors (9), acting on the mould (S) in the injection zone (Zl) for the injection of the wax into the mould (S) by the machine (101), in response to the signal received from said sensor means (3, 4, 8).

This utility model relates to the technical field of wax model cleaning devices, and discloses a wax model cleaning device, including a rotating cleaning mechanism and a flipping mechanism. The device is characterized by: a protective shell on one side of a support frame, a motor fixed inside the protective shell, a rotating shaft connected to the output end of the motor, a small gear connected to the other end of the rotating shaft, the small gear meshing with a large gear, the large gear fixed to the outside of the cleaning cylinder, a side plate fixedly connected to the support frame, a support plate on the side of the side plate away from the cleaning cylinder, a rack fixedly mounted on the support plate, and a gear rotatably connected to the rack. Through the coordinated action of the rotating cleaning mechanism and the flipping mechanism, the wax model can achieve omnidirectional rotation during the cleaning process, allowing the cleaning fluid to fully contact all parts of the wax model, including hard-to-reach corners and crevices, thereby effectively removing impurities and wax debris from the surface of the wax model, significantly improving cleaning efficiency and quality, and reducing casting defects caused by incomplete cleaning.

This invention belongs to the field of precision casting investment mold technology, and discloses a non-synchronous internal retraction mold opening mechanism and method. It includes: a bottom cover plate, screws, a rotating disk cover plate, a rotating disk, an internal retraction moving rod, a base, a rotating rod, and a rotating rod handle. The bottom cover plate is fastened to the base with screws. The base has eight internal retraction track grooves for the internal retraction moving rod to move on, achieving internal retraction mold opening. The rotating rod handle is installed on the rotating rod, and the rotating rod is fastened to the rotating disk cover plate with screws. A gap is left between the rotating rod and the bottom cover plate and the base. Moving the rotating rod handle drives the rotating rod, rotating disk cover plate, and rotating disk to rotate, ensuring uniform force during wax pattern opening, improving wax pattern forming rate, and reducing operational complexity.

The utility model relates to mould cooling technical field discloses a wax mould cooling structure, including. The utility model discloses top plate and second connecting plate, the second connecting plate lateral wall sets up in top plate lateral wall, the top plate inside fixedly connected with the inlet tube, the top plate lateral wall fixedly connected with first fixed column, first fixed column outer wall slidingly connected with first mould plate and second mould plate, first fixed column one end slidingly connected with base, the base lateral wall fixedly connected with first connecting plate, the first mould plate lateral wall is provided with cooling assembly, and the cooling is generated through fan, and then the fan acts to the radiating fin lateral wall, and first mould plate cooling is reduced, and the temperature of first mould plate is reduced through circulating water pipe circulating water, reaches the effect of high -efficient cooling, solves long wax type cooling time increase, drags the whole production rhythm, leads to the problem of production cycle extension, improves the practicality of wax mould cooling structure.

The application relates to a single-crystal blade casting wax mould with a crown and a casting method, wherein the wax mould comprises a blade wax mould, a selector wax mould and a pouring system wax mould, the selector wax mould is connected with the blade wax mould, the base of the pouring system wax mould is connected with the selector wax mould through a supporting part, the top surface of the supporting part is an inclined plane and forms an angle with the top surface of the base, the axis perpendicular to the top surface of the supporting part is parallel to the blade stacking axis of the blade wax mould, and the axis of the seeding section of the selector wax mould is perpendicular to the base plane. According to the scheme, the inclined top surface of the supporting part and the inclined blade stacking axis of the blade wax mould are arranged, so that the blade can be kept in the inclined arrangement during the casting forming process, the single-crystal blade orientation and the blade stacking axis deviation can be less than 10 DEG, and the formation of mixed crystals at the "low point" of the rim plate can be avoided. Meanwhile, the blade rim plate itself can form better upper-layer feeding for lower-layer feeding, the last "high point" is connected with the riser, the last solidification position is transferred to the riser, and the rim plate porosity can be avoided.

The utility model relates to the field of industrial wax production, specifically an discharging device for casting model wax, which comprises: a box body, a motor and an air pump arranged above it; a discharging component; by arranging the discharging component, the wax material on the inner wall of the box body can be scraped and cleaned by using a push rod in cooperation with a scraper. By utilizing the elastic property of the scraper, when the scraper contacts the inner bottom of the box body, it can bend along with the curvature below the box body to shovel the wax material at the inner bottom of the box body, improving the completeness of the discharging of the model wax and reducing the residue of the wax material; when the push rod drives the scraper to move down to scrape the wax material on the inner wall of the box body, through the motor, the push rod can be rotated to drive the connecting plate and multiple scrapers to rotate and descend, improving the coverage rate of the scraping of the wax material on the inner wall of the box body by the scraper, achieving the effect of completely scraping the wax material, and cooperating with the cutting knife on the surface of the shoveling part below the scraper, the wax material can be cut into strips, preventing the problem that the discharging is affected due to the too large size of the wax material.

The bronze ware casting mold with the rapid demolding function comprises two supporting plates, the outer surfaces of the two supporting plates are jointly provided with a driving assembly, the outer surface of the driving assembly is provided with a containing assembly, the outer surface of the containing assembly is provided with a clamping assembly, and the clamping assembly is arranged on the outer surface of the containing assembly. And supporting assemblies are installed on the bottom faces of the two supporting plates correspondingly, the driving assembly comprises two bearings, and the two bearings are located on the outer surfaces of the two supporting plates correspondingly. According to the device, a to-be-cast mold is put into a storage frame in the storage assembly, a driving motor in the driving assembly can drive the shell mold to turn over under the action of two bearings and two connecting rods, and therefore wax liquid in the shell mold can be conveniently poured out; and residual wax liquid in the shell mold can be rapidly solidified, so that the rapid demolding effect is achieved, and the mold demolding efficiency can be effectively improved through the device.

This utility model provides a core box mold with a pre-extraction function, including a lower core box and an upper core box corresponding to each other. The lower core box and the upper core box are respectively provided with a lower sand core surface and an upper sand core surface. A movable block mounting groove is formed on the lower sand core surface, and a movable block is provided in the movable block mounting groove. A pull rod is elastically and horizontally mounted on the movable block. The pull rod, driven by the upper core box, moves along its axial direction and creates a gap with the side wall of the movable block mounting groove. A sand cavity is formed between the lower sand core surface, the upper sand core surface, the movable block, and the pull rod. The advantage of this utility model is that the pull rod is pre-extracted by the upper core box, thus allowing for smooth removal of the pull rod without damaging the sand core.

The application discloses a non-filler medium-temperature investment casting wax material and a preparation method thereof. The wax material comprises, in parts by weight, 55-65 parts of microcrystalline wax, 3-6 parts of polyethylene wax, 14-20 parts of modified C5 / C9 copolymer petroleum resin, 4-7 parts of ethylene-vinyl acetate copolymer, 2-5 parts of hydrogenated terpene resin, 0.1-0.3 parts of antioxidant and 0.2-0.5 parts of lubricant. The modified C5 / C9 copolymer petroleum resin is modified by maleic anhydride acrylate silane grafting, and is combined with the microcrystalline wax, the polyethylene wax, the EVA, the hydrogenated terpene resin and the compounded antioxidant and lubricant system. Through processes such as segmented grafting, segmented temperature control, vacuum degassing and standing and curing, the compatibility of the components is excellent. On the premise that no inorganic filler is added, the low shrinkage, high toughness, high smoothness and high reuse stability are synergistically improved, and the industrial application requirements of high-precision and high-smoothness investment casting can be met.

This utility model discloses a welding fixture for single-crystal blade wax molds, relating to the field of single-crystal blade technology. It includes: a base with a support component at one end for supporting the single-crystal blade wax mold; a sliding component for supporting a spiral selector wax mold, slidably connected to the end of the base away from the support component; and an adjusting component disposed on the base, pulsatorically connected to the sliding component and capable of driving the sliding component to slide, thereby adjusting the joint width between the spiral selector wax mold and the single-crystal blade wax mold. This utility model aims to achieve positioning welding of the single-crystal blade wax mold and the spiral selector wax mold, improving welding accuracy.

According to one embodiment, a heat shield panel (400) for a combustor (300) of a gas turbine engine is provided. The heat shield comprising: a panel body (402) having a first surface (410) configured to be oriented toward a combustion zone (360) of a combustor, and a second surface (420) opposite the first surface, the second surface being configured to be oriented toward a combustor liner (330) of the combustor; a plurality of first pin fins (430) projecting from the second surface of the panel body, wherein each of the plurality of first pin fins has a rounded top (432) opposite the second surface; and one or more second pin fins (460) projecting from the second surface of the panel body, wherein each of the one or more second pin fins has a flat top (462) opposite the second surface.

This utility model relates to the technical field of wax model making tools, specifically disclosing a quick-release clamp for wax models used in precision casting. It includes a hook, a connecting tube, and a wax model. The connecting tube is located outside the hook, with a sealing annular plate at its upper end and a mounting annular plate at its lower end. A spring is located between the sealing and mounting annular plates, positioned outside the connecting tube and protected by a sealing sleeve. The lower end of the spring is mounted on the mounting annular plate, and its upper end connects to the sealing annular plate. A slot is located at the top of the connecting tube, and a connecting rod is located inside the wax model. The lower end of the connecting rod has a positioning groove, and a locking post on the outer side of the connecting rod is adapted to the slot. A positioning post is located at the top of the hook, resting against the positioning groove. The locking post engages with the slot, connecting the connecting tube to the wax model. This utility model provides quick and accurate loading and unloading, simple operation, saves time and effort, effectively improves production efficiency, avoids tool damage caused by slurry seepage, and extends tool life.

This invention provides a process for integral casting of a traction pin, specifically including the following steps: S1, preparing a sand core for casting the inner cavity of the upper traction body using a core box; the core box has a three-section structure; S2, fabricating a traction pin mold according to the structure of the traction pin; preparing a sand mold including a lower mold, a middle mold, and an upper mold using a lower sand box, a middle sand box, and an upper sand box; molding a stop ring and a positioning core head in the lower sand box; molding a casting riser in the upper sand box; S3, hoisting the sand core according to the positioning core head, positioning and assembling the middle sand box with the lower sand box, and then positioning and assembling the upper sand box with the middle sand box, ready for pouring; S4, pouring using a bottom pouring method. The technical solution of this invention enables integral casting of the upper traction body and center pin for subway use, while ensuring the casting quality is qualified and meets the requirements of magnetic particle testing, ultrasonic testing, and processing acceptance.

The present application relates to the field of precision casting, and discloses a wax material preparation method for large-size gas turbine blade production, which comprises the following steps: selecting and proportionally weighing full-refined paraffin wax, Fischer-Tropsch wax, stearic acid, petroleum resin, lignite wax, a modifier and an antioxidant, carrying out basic melting and mixing, high-temperature mixing and low-temperature mixing to form a wax material melting liquid, removing impurities and air bubbles through filtration, then forming and cooling to obtain blocky wax material, and sealing and storing the blocky wax material. Through optimization of the wax material ratio and step-by-step mixing process, the present application realizes the coordinated balance of the properties of the wax material, such as melting point, hardness, fluidity, shrinkage and ash content, effectively reduces wax mold deformation, damage and dewaxing residue, improves forming precision and surface quality, uses environmentally-friendly raw materials to reduce pollution and safety risks, and is simple and controllable in the preparation process, suitable for large-scale production, low in cost, and strong in adaptability, and suitable for high-quality manufacturing of large-size gas turbine blades.

The utility model relates to the field of lost foam preparation technology especially, a kind of lost foam high -efficient cutting device.Its technical scheme includes: cutting table, the front side of cutting table is provided with numerical control operating platform, the top surface of cutting table is provided with moving mechanism, the inside top surface of moving mechanism is provided with towards adjusting mechanism, and towards adjusting mechanism includes carrier plate.The utility model can drive cutter mounting block to move in each direction by setting moving mechanism, and cutter mounting block can be driven to rotate by setting towards adjusting mechanism, angle adjusting mechanism can be set to not only can drive cutter mounting block to adjust different angle, but also can quickly dismount and install cutter mounting block, so that the device can not only improve cutting accuracy, but also be convenient for fixing lost foam by setting suction cup, prevent displacement in cutting process, and improve the speed of replacing tool, to improve processing efficiency.

This invention relates to the field of wax injection machine technology, specifically to an intelligent wax injection machine. The technical solution includes a mold clamping body, a wax injection module, and an injection temperature control system. The injection temperature control system includes a constant-temperature wax storage tank, which is mounted on the main frame below the rear support. A set of servo motor wax-taking mechanisms, a water-cooling module, a servo motor wax-feeding mechanism, and a servo motor wax-returning mechanism are respectively arranged on both sides of the constant-temperature wax storage tank. The beneficial effects of this invention are: the wax material for each mold is independently taken from the constant-temperature wax storage tank and undergoes a cooling process under the same time and conditions in the cooling pipe. Subsequently, the servo motor wax-feeding mechanism immediately pushes and injects the wax, avoiding temperature fluctuations caused by environmental heat dissipation, heat accumulation, or flow channel stagnation in traditional continuous flow systems. This effectively eliminates wax temperature drift and achieves high consistency between mold cycles.

This utility model relates to the field of wax model processing technology, and discloses an automatic wax model tree assembly and cleaning system. The wax model loading trolley carries the wax model tray and transfers it to the shooting position of the 3D camera via a tray transfer mechanism. The 3D camera is mounted on a bracket to identify the wax model's posture and guide a robot to grasp it. Robots 1 and 2 are each equipped with replaceable robotic grippers, allowing for tool switching via a quick-change station. This series of automated devices and mechanisms enables automatic assembly, welding, and cleaning of wax model tree strings, significantly improving production efficiency and product quality. Through 3D camera recognition and guidance, the robot can accurately grasp the wax model and perform assembly welding, ensuring the consistency and accuracy of the wax model tree strings. Simultaneously, the cooperation between the cleaning robot and the three-tank cleaning machine enables rapid cleaning and drying of the wax model tree strings, reducing the tediousness and labor intensity of manual operation.

The utility model relates to wax mould technology field discloses a wax mould, including base, the base inside is provided with demoulding assembly, the base upper surface is fixedly connected with lower mould, the lower mould upper portion is provided with upper mould, the upper mould inside is provided with connecting component, the upper mould outer wall has opened the hand buckle, the demoulding assembly includes demoulding block, the base inner wall slidingly connected with inclined block, the inclined block outer wall slidingly connected with moving block, the moving block upper surface is fixedly connected with connecting rod, the connecting rod upper surface is fixedly connected in the demoulding block lower surface, the demoulding block outer wall is connected in the lower mould inner wall slidingly, the base inside is provided with locking assembly, in the utility model, demoulding assembly slides in the base through inclined block, makes moving block drive connecting rod and demoulding block rise, realizes wax mould demoulding, and this demoulding mode is simple and convenient to operate, and laborsaving is efficient, improves production efficiency, avoids improper demoulding and damages wax mould.

A bottom-injection turbocharger turbine wax mold molding die includes: a mold base plate with a first cooling medium channel and a second cooling medium channel; an end insert, one axial end of which has an irregular end structure, and the other axial end of which is fixedly connected to the mold base plate; and a gate insert assembly, including a tubular outer sleeve, which is sealed between the inner hole of the end insert and the mold base plate. An inner tubular component is inserted through the outer sleeve, and the outer wall of the inner tube has a groove. The groove and the inner wall of the outer sleeve enclose a third cooling medium channel, which connects the first and second cooling medium channels. The inner hole of the inner tube serves as a wax injection channel. The cooling medium cools the wax in the wax injection channel to form a wax rod, thereby increasing the cooling speed of the gate insert and ensuring good connection between the wax rod and the wax mold, while improving production cycle time and ensuring production continuity.

A mold device that avoids or suppresses adhesion to a mold. A mold device for obtaining a molded article having a predetermined shape by injecting and filling a molding material in which a powder and a binder are mixed into a cavity formed by a fixed mold and a movable mold, the mold device comprising: a movable part which faces the inner surface of the cavity or the inner surface of a portion communicating with the cavity and which can be retracted from the cavity; and an elastic member that presses the movable portion toward the cavity side or the part side, and the elastic force of the elastic member is set to be smaller than the pressing force generated by the molding material when the molding material is injected into the cavity and to be pressed back to the movable portion toward the cavity side after the filling of the cavity is completed.