396results about "Foundry moulding apparatus" patented technology

The invention relates to the technical field of investment casting, and particularly provides an investment casting automatic wax pattern welding equipment control method which comprises the following steps: extracting a peak value and duration from heating curve data, and judging a uniformity numerical value of interface temperature distribution through a numerical simulation method; according to the fusion depth change trend and the interface temperature distribution data, the quantized value of the quality index is calculated, and an evaluation result of the welding effect is obtained; if the quality index quantized value is lower than a preset threshold value, historical test data are extracted from a data analysis module, and the adjustment range of the process variable is determined; according to the process variable adjustment range, optimizing the parameter combination of the heating curve and the pressure curve, and generating new control strategy data through an iterative algorithm; new control strategy data is adopted to drive equipment to operate, and dynamic feedback values of the interface temperature and the fusion depth are obtained through a real-time monitoring system; and extracting abnormal fluctuation data from the dynamic feedback value, and judging the influence degree of the solidification rate change on the quality index in combination with a data analysis result.

The invention relates to the technical field of casting molds, in particular to a wax mold forming mold of an air bag lower support and a mold drawing method.The wax mold forming mold comprises an upper mold, a lower mold, a front mold, a rear mold and a right mold, a first boss is arranged on a forming part of the lower mold, the front mold, the rear mold and the right mold are located between the upper mold and the lower mold, and an inner movable block is located between the right mold and the front mold and the rear mold; the inner movable blocks comprise a first inner movable block, a second inner movable block and a third inner movable block, the first inner movable block penetrates through the upper die to be connected with the lower die in an inserted mode, one end of the second inner movable block is connected with the first inner movable block in a clamped mode, the other end of the second inner movable block abuts against the third inner movable block, and a supporting foot is arranged at the other end of the third inner movable block. And a plurality of side walls of the supporting legs are respectively propped against the lower mold, the rear mold and the first boss. The mold is optimally designed, one-time forming of the complex air bag lower support wax mold is achieved, and the applicability and flexibility of the mold to preparation of wax molds of different structures are guaranteed.

The utility model relates to the technical field of wax molds, in particular to a mold for manufacturing a complex thin-wall pump body casting wax mold, which comprises a water-soluble core mold, an accessory mold and a pump body main body mold, the water-soluble core mold consists of a water-soluble core mold upper mold, a water-soluble core mold lower mold and a wax injection mouth mold, a first fixing structure is arranged on the water-soluble core mold lower mold, and a second fixing structure is arranged on the water-soluble core mold lower mold. The accessory mold is composed of an accessory mold upper mold and an accessory mold lower mold, a first wax injection opening, a second fixing structure and an accessory wax mold structure are installed on the accessory mold lower mold, and the pump body main body mold is composed of a pump body main body mold upper mold and a pump body main body mold lower mold. A second wax injection opening and a third fixing structure which are positioned at the parting surface are mounted on the lower mold of the pump body main body mold; a plurality of wax molds are adopted to produce different structures, so that the pump body wax mold with stable performance and perfect structure is produced, and meanwhile, a water-soluble core built-in sliding block is adopted to ensure that a complex cavity or channel is formed in a product, so that the processing efficiency is improved.

The invention relates to the technical field of casting molds, in particular to a high-precision wax mold forming mold for a complex-structure casting, which comprises a first outer mold, a second outer mold, a bottom mold and a top mold, a first inner module and a second inner module are arranged in the first cavity; the parting surface of the second outer mold and the first outer mold is arranged along the side part of the outer arc surface of the lower bracket of the air bag; the bottom die is connected with the first outer die and the second outer die in a clamped mode, a first through hole is formed in the bottom die, a first inserting rod is inserted into the first through hole, and the first inserting rod penetrates through the bottom die to be connected with first blind holes in the bottoms of the first inner die block and the second inner die block in an inserted mode. And the top die is matched with the end parts of the first inner die block, the second inner die block and the second outer die. Through reasonable design of the wax mold structure, one-time integral forming of the air bag lower support of a complex structure is achieved, meanwhile, smooth demolding of a wax mold is guaranteed, and the wax mold forming efficiency and quality are improved.

The invention provides a water-soluble core mold material based on direct-writing forming photocuring 3D printing and a preparation method of the water-soluble core mold material. The preparation method comprises the following steps: mixing polyvinylpyrrolidone and absolute ethyl alcohol to prepare a water-soluble adhesive; fully mixing a photocuring monomer hydroxyethyl methylacrylate with a photoinitiator TPO (Thermoplastic Polyolefin) to prepare water-soluble photocuring resin; mixing the two materials, stirring with a high-speed stirrer, sequentially adding heavy calcium carbonate powder, glass beads, white carbon black and glass fiber powder in the stirring process, and fully stirring to obtain slurry; and the slurry is printed through a printer, a core mold primary blank is obtained, and the final core mold material is obtained through secondary curing. According to the water-soluble core mold material based on direct-writing forming photocuring 3D printing and the preparation method of the water-soluble core mold material, the technical problems that a traditional metal mold is difficult to design, high in manufacturing cost and low in demolding efficiency are solved, and the water-soluble core mold material which is good in rheological property, low in cost and easy to demold can be prepared.

The invention discloses an evanescent mode mold air plug and a ventilation structure and a preparation method thereof. The evanescent mode mold air plug comprises a plug body, an aluminum sheet and a stainless steel net. The aluminum sheet is arranged on the end face of one end of the plug body, and a plurality of small round holes are evenly distributed in the aluminum sheet. The stainless steel mesh covers the end face of the other end of the plug body. Compressed air and steam can smoothly pass through the mold, cooling water is prevented from permeating into the mold, the water content of the mold is reduced by 3%-5%, the drying and curing time is shortened, the energy-saving effect is achieved, and the production efficiency is improved.

The invention discloses an evanescent mode casting positioning device capable of controlling the size A. The evanescent mode casting positioning device comprises a mounting seat, the top of the mounting seat is provided with an adaptive mechanism for assisting mounting, and the mounting seat is internally provided with a positioning mechanism for positioning the die body; through cooperative arrangement of the adaptation mechanism, the positioning mechanism and the inner clamping mechanism, positioning is not limited by the density of foam any more, clamping jaws on the two sides of the A-size tool are opened to make contact with a white mold, negative pressure is generated through a vacuum pump, the white mold is adsorbed to the clamping jaws, then the A-size white mold is pulled back to a standard position, and positioning is achieved. The device is more accurate and stable, operation is more convenient, time is saved, according to cooperation between the adaptation mechanism and the positioning mechanism, positioning work of the placed white mold can be achieved, the inner clamping mechanism can clamp the white mold inwards from the inner side wall, the white mold can be driven to be pulled back to the preset position in a pneumatic negative pressure adsorption mode, and the labor intensity of workers is lowered. Therefore, the accuracy is ensured.

The utility model particularly relates to a foam production device for lost foam, which comprises a heating device and a screening device, the heating device comprises a heating kettle, the heating kettle is of a double-layer structure, a heating wire is wound in an interlayer of the heating kettle, the top of the heating kettle is provided with a feeding hopper and a stirring device, and the bottom of the heating kettle is provided with a vertically arranged material pipe. A waste screening device is arranged on the material pipe and comprises a first fan, an air outlet of the first fan is communicated with one side of the material pipe, a screening barrel is arranged at the bottom of the material pipe, the top of the screening barrel is of an opening structure, a first filter screen is arranged in the screening barrel, and a vibration motor is installed in the center of the bottom of the screening barrel. A plurality of buffer springs are distributed on the circumference of the bottom of the screening barrel, the bottoms of the buffer springs are connected with a base, the side portion of the screening barrel is connected with a first discharging pipe and a second discharging pipe, and the other side of the discharging pipe is connected with a qualified material screening device.

The invention relates to the technical field of yttrium sol preparation, in particular to yttrium sol and a preparation method and application thereof. The preparation method of the yttrium sol provided by the invention comprises the following steps: adding yttrium salt into water, stirring and dissolving to obtain a solution A, and then adding glacial acetic acid into the solution A, stirring and dissolving to obtain a solution B; ethylene glycol is added into the solution B for a reaction, and yttrium sol is obtained; wherein the mass ratio of the yttrium salt to the glacial acetic acid to the ethylene glycol is (7-9): 1: 1. According to the invention, glacial acetic acid is used as a chelating agent and is matched with ethylene glycol to prepare the yttrium sol, so that the solid content and the stability of the yttrium sol can be improved.

The invention relates to the technical field of precision investment casting, in particular to an optical lens motor base precision forming die which comprises a fixing plate, a forming mechanism is arranged at the top of the fixing plate, and an upper die plate is arranged at the top of the forming mechanism; the forming mechanism comprises a butt joint unit arranged in the center of the top of the fixing plate, the butt joint unit comprises a main body fixedly connected with the fixing plate, a first ejector block is slidably connected to the position, close to the bottom, in the main body, and lifting blocks are arranged at the positions, located on the periphery of the first ejector block, in the main body; a butt joint rod is slidably connected to the center position in the first ejector block, and a pressing block is slidably connected to the position, below the butt joint rod, in the main body. Through linkage of the module assembly and the butt joint unit, the problems of wax mold demolding deformation cracking and parting surface steps are solved, and the integrity of the wax mold is guaranteed; by means of linkage of the cutter and the exhaust groove, residual wax is automatically cleaned, manual operation is not needed, shrinkage porosity is avoided, and the structural stability of the base is guaranteed.

The utility model discloses a wax mold assembly tool, and belongs to the technical field of wax mold assembly bonding, and the wax mold assembly tool is characterized by comprising a base plate and further comprising a sprue wax mold; wherein the wax mold bonding assembly comprises a bonding seat, a moving assembly, a moving plate, a rotating shaft, an overturning plate, a cross gate wax mold, a lifting device, a supporting block, an electric heating plate and a locking assembly, the bonding seat is arranged on one side of the chassis, the moving assembly is installed on the bonding seat, the moving plate is installed on the moving assembly, the rotating shaft is installed on the moving plate, the overturning plate is installed on the rotating shaft, and the lifting device is installed on the rotating shaft. The transverse pouring gate wax molds are installed on the turnover plate, pouring gates of the transverse pouring gate wax molds face upwards, the lifting device is installed on the bonding base, the supporting block is installed on the lifting device, the electric heating plate is installed on the supporting block, and the locking assembly is installed on the turnover plate. According to the invention, the position precision is more accurate when the cross gate wax mold is adhered to the straight gate wax mold, and the precision after tree assembling is better.

The present application relates to wax mold technology field, disclose a kind of large thin-walled wax mold and for wet wax precision casting production process, including fixing frame, the fixing frame is provided with electric push rod, movable mould and fixed mould, the movable mould, fixed mould is provided with heat dissipation mechanism, the movable mould is provided with stripping mechanism, the fixed mould is provided with top pressure mechanism and wax injection port, the movable mould is also provided with rotating mechanism, the rotating mechanism includes motor and locking piece.The present application can demould the workpiece, while avoiding the workpiece from being stuck in the fixed mould, thereby greatly improving the practical convenience, and after demoulding the workpiece, water-based release agent can be sprayed in the fixed mould and movable mould, thereby avoiding the need for manual spraying of water-based release agent, and the forming effect and forming quality of the workpiece can also be improved, finally the locking piece can be automatically driven to contact and lock the fixed mould, thereby greatly improving the practicality and convenience of use.

The invention discloses a medium-temperature wax impeller mold opening and closing system based on a linkage mechanism and a control method of the medium-temperature wax impeller mold opening and closing system. The medium-temperature wax impeller mold opening and closing system comprises a lower bottom plate and a linkage mechanism arranged on the lower bottom plate, and a mold core mechanism which is arranged on the linkage mechanism and used for preparing an impeller wax mold is folded or dispersed through the action of the linkage mechanism. The mold core mechanism comprises a plurality of mold core units which are used for forming an impeller wax mold blade which is a twisted blade surface, and the lower parts of the mold core units are in arc-shaped transition connection and integrally form a main shaft; during mold closing, the mold core mechanism is sleeved with a cooling limiting sleeve piece used for limiting and cooling the mold core mechanism, an upper cover is arranged at the top of the mold core mechanism in a matched mode, a top cover is arranged above the upper cover in a matched mode, and a wax injection hole is formed in the lower bottom plate and the linkage mechanism in a matched mode; through efficient transmission of the linkage mechanism, precise forming of the mold core unit and integrated design of the cooling system, the impeller forming precision is high, the cooling efficiency is high, maintenance is convenient, and the device is particularly suitable for medium-temperature wax precise casting scenes.

The utility model discloses valve production wax repairing equipment facilitating feeding. The valve production wax repairing equipment comprises a supporting table, a collecting groove is formed in the right side of the supporting table, a discharging groove is formed in the inner top of the collecting groove, a plurality of blocking strips are fixedly connected between the inner walls of the left side and the right side of the discharging groove, and a collecting tray is placed on the discharging groove; a notch groove is formed in the left side of the supporting table, and the right end of the belt conveying piece extends into the notch groove; and the collecting mechanism is used for collecting waste wax, a vertical plate is fixedly connected to the upper end of the rear side of the supporting table, a placing plate is fixedly connected to the front side of the vertical plate, and a universal pipe is fixedly connected to the upper end of the vertical plate. In the actual using process of the equipment, a wax body can be conveniently moved to the workbench, a waste wax collecting structure is arranged, waste wax can be conveniently collected in a centralized mode, and the situation that the waste wax is scattered on the workbench is avoided.

A lost foam automatic feeding control device comprises a supporting block playing a supporting role, the front side of the supporting block is sequentially provided with a raw material inlet, a first inflation inlet and a second inflation inlet from left to right, and the rear side of the supporting block is provided with a raw material outlet corresponding to the raw material inlet and a first exhaust port corresponding to the first inflation inlet. The top end of the supporting block is provided with a first switch, a second switch and a third switch which are arranged in one-to-one correspondence with the raw material inlet, the first inflation inlet and the second inflation inlet. The device is simple in structure and convenient to use.

Sliding grooves are formed in the top of a machining table and close to the edges of the two sides, the sliding grooves are detachably connected with a door frame through sliding blocks in the sliding grooves, a telescopic rod is arranged below the door frame, the output end of the telescopic rod is detachably connected with a connecting plate, one side of the connecting plate is rotationally connected with a cutting frame, and the cutting frame is rotationally connected with the machining table. The foam processing device has the following advantages that foam needing to be processed is placed on the placing disc and pressed forcibly, so that the inserting column is inserted into the foam, the foam can be stably placed in cooperation with adsorption of the suction cup, then the driver is started to drive the placing disc to rotate, and therefore the foam is driven to rotate; the rotating foam can be matched with a cutting path, the cutting smoothness is improved, meanwhile, the cutting frame can be driven to move through the moving block, the telescopic rod and the motor, so that operation of different cutting paths is completed, the foam does not need to be adjusted through shutdown, and the cutting operation efficiency is improved.

The utility model relates to the field of investment casting, and discloses a wax mould forming device for precision castings, which comprises a machine table, a hydraulic rod is mounted at the top end of the inner wall of the machine table, a fixing mechanism is arranged at the bottom end of the inner wall of the machine table, the fixing mechanism comprises a positioning assembly and a fine adjustment assembly, the positioning assembly comprises a lower supporting plate, and the fine adjustment assembly comprises a lower supporting plate. The bottom end of the lower supporting plate is fixedly connected to the bottom end of the inner wall of the machine table, a fixing hole is formed in the top end of the lower supporting plate, a lower mold is placed at the top end of the lower supporting plate, an upper mold is connected to the top end of the lower mold in an inserted mode, and multiple sets of positioning rods are connected to the inner wall of the fixing hole in an inserted mode. According to the utility model, by arranging the adjustable fixing mechanism and the wax conveying assembly, the positions of the fixing mechanism and the wax conveying assembly can be freely adjusted during processing, the processing point position can be freely changed by adjusting the positions of the fixing mechanism and the wax conveying assembly, and meanwhile, the fixing mechanism can assist an operator in aligning a mold with a wax injection head.

The utility model belongs to the technical field of precision casting, and provides a regulating valve wax mold forming device which comprises a bottom plate, a side edge seat, a static mold, a movable mold, a sliding seat and a core cylinder. Wherein the side edge seat and the bottom plate are arranged side by side; the static die is fixedly connected to the bottom plate; the movable mold is slidably connected to the bottom plate and can abut against the static mold; the sliding seat is slidably connected to the side seat, and the sliding direction of the sliding seat relative to the side seat is perpendicular to the sliding direction of the movable mold relative to the bottom plate. The core cylinder is connected to the sliding base and can be matched with the movable mold and the static mold to form a cavity used for forming a target adjusting valve wax mold, and the static mold and the movable mold are further matched to form a wax injection opening communicated with the cavity.

The invention discloses a liquid cooling drive pump body investment casting wax mold production wax injection mold, which comprises an upper mold, a lower mold, a slide block, a mold cavity and a loose piece, the bottom of the upper mold is provided with a first mold cavity groove, the lower mold is arranged right below the upper mold, the top of the lower mold is provided with a second mold cavity groove, and the slide block is arranged in the second mold cavity groove. A plurality of sliding block mounting grooves are formed in the surface of the top of the lower mold around the outer side of the second mold cavity groove, the sliding blocks are arranged in the sliding block mounting grooves in a one-to-one correspondence mode, the mold cavity is used for forming the wax mold and jointly formed by the upper mold, the lower mold and the sliding blocks, and the multiple movable blocks jointly form an inner cavity complex structure of the wax mold. The cavity is formed by the upper mold, the lower mold and the multiple sliding blocks, the wax mold in the cavity adopts a one-time mold splitting forming process, and the wax piece is taken out by mutually positioning and combining the movable blocks and splitting the mold in the complicated structure of the inner cavity, so that water-soluble wax does not need to be used as an inner cavity core-pulling core, water-soluble wax does not need to be dissolved in water in the subsequent process, and split welding is not needed; the mold splitting efficiency is improved; and the cost is reduced.

The present invention discloses a single-body crowned blade wax mold device and a manufacturing method, comprising an upper template, an upper mold base, a lower mold base, a mold foot and a lower template, which are arranged in sequence from top to bottom and connected by a hydraulic system. The upper mold base and the lower mold base are both provided with cooling water channels. The upper template is rectangular and connected to a hanging ring and has an upper core puller at the lower end. The upper and lower mold bases are respectively provided with upper and lower cavities and slots for making blade shapes, and are also provided with an oblique guide assembly and a blade crown slider assembly. The manufacturing method comprises the steps of mold installation, cooling water connection, mold closing and wax injection, automatic mold opening and ejecting the wax mold, and taking out the wax mold for storage. The present invention solves the problems of low efficiency of manual mold opening and closing of existing devices, fluctuation of wax mold size due to lack of temperature control means, and low efficiency of pressing products, realizes automatic opening and closing of the module, can pass circulating cooling water and can press two products, effectively improving the efficiency and quality of wax mold manufacturing.

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.

The invention discloses an automatic forming mold of a ball valve body wax mold, and relates to the technical field of valve production, the automatic forming mold comprises an upper mold base and a lower mold base, the upper mold base is connected with an upper mold core, the lower mold base is connected with a lower mold core, after mold closing, a mold cavity is formed between the upper mold core and the lower mold core, and the upper mold core is connected with the lower mold core. A main loose core for forming a main body is arranged on the lower mold core in a sliding manner; the main loose core comprises a driving core body, a first follow-up core, a second follow-up core, a follow-up seat and a driving seat, one end of the driving core body is fixedly connected with the driving seat, the first follow-up core and the second follow-up core are both connected with the follow-up seat, the driving core body is arranged on the follow-up seat in a sliding and penetrating mode, and the driving seat is connected with the first follow-up core and the second follow-up core. The peripheral surface of the driving core body is divided into a plurality of sliding surfaces which are connected in sequence along the circumferential direction; and the sliding surfaces are obliquely close to the center line of the driving core body along the direction deviating from the driving seat. The core pulling process is rapid and simple, automation can be achieved, and the production efficiency is high.

The utility model discloses a wax liquid conveying and cooling device which comprises at least two first-stage wax storage barrels, at least two second-stage wax storage barrels, at least two third-stage wax storage barrels and at least two fourth-stage wax storage barrels. The system further comprises a first-stage cooler, a second-stage cooler, a third-stage cooler and a fourth-stage cooler The at least two first-stage wax storage barrels are respectively connected with the input end of a cooling runner of the first-stage cooler, and the output end of the cooling runner of the first-stage cooler is connected with the input end of the second-stage wax storage barrel; the output end of the second-stage wax storage barrel is connected with the input end of a cooling runner of the second-stage cooler, and the output end of the cooling runner of the second-stage cooler is connected with the input end of the third-stage wax storage barrel; the output end of the third-stage wax storage barrel is connected with the input end of a cooling runner of the third-stage cooler, and the output end of the cooling runner of the third-stage cooler is connected with the input end of the fourth-stage wax storage barrel; and the output end of the fourth-stage wax storage barrel is connected with the input end of the cooling runner of the fourth-stage cooler.

The application discloses a wax mold overturning device, which comprises the following steps: providing force support to the adhesion of the wax mold with an irregular top surface overturned to a downward state and a runner wax mold to achieve a stable wax mold overturning device. The wax mold is matched with a matching groove A and a matching groove B through a root boss and an extension boss respectively. Only the flat bottom surface of the tool body is in stable contact with the operation table plane, so that the wax mold with the irregular top surface is supported. Then, the runner wax mold is adhered to the upward bottom surface of the stable wax mold, which avoids the situation that it is difficult to obtain force support to achieve stability on the operation table plane by taking the irregular top surface as a force basis, and solves the problem that the two clamped force top surfaces and bottom surfaces of the casting wax mold are damaged due to the uneven clamping contact caused by the V-shaped clamping groove on the vice.

The utility model provides a turnover type slurry preparation barrel, and belongs to the technical field of investment casting equipment. The turnover type slurry preparation barrel comprises a barrel body, a fixing frame and a turnover device, a movable frame of the can body is fixedly connected with a can body, a bottom plate in a fixed frame is located at the bottom of the frame, and trundles are located on the bottom plate. The turnover device comprises a rotating wheel, an input shaft, a first mounted bearing, a second mounted bearing, a coupler, a speed reducer, an output shaft, a third mounted bearing and a turnover position fixing mechanism; the rotating wheel, the first mounted bearing, the coupler and the input end of the speed reducer are coaxially connected in sequence, and the first mounted bearing and the second mounted bearing are located on the input shaft and fixedly connected with the frame. The bottom of the speed reducer is fixedly connected with the frame; the input shaft is vertical to the output shaft; the output end of the speed reducer penetrates through the third mounted bearing through an output shaft, the output shaft is a flange type solid shaft, a flange at one end is fixed to the movable frame, and the turnover position fixing mechanism is located on the input shaft. The device has the advantages of being simple in overall structure and convenient to operate manually, the labor intensity of workers can be reduced, waste is reduced, and cost is reduced.

The utility model discloses an intelligent-control automatic wax pressing and injecting device for accessories, and relates to the field of accessory processing equipment. The intelligent control accessory automatic wax pressing and injecting device comprises a control box, a material injecting unit and a forming unit, a high-frequency electromagnetic induction heater is arranged in the material injecting unit, a material injecting pipe is fixedly installed at the bottom of the high-frequency electromagnetic induction heater, and a servo linear motor is arranged at the top of the high-frequency electromagnetic induction heater. According to the intelligent-control automatic wax pressing and injecting device for the ornaments, wax at the bottom of the storage hopper falls into a high-frequency electromagnetic induction heater to be rapidly melted through the high-frequency electromagnetic induction heater, meanwhile, a servo linear motor drives a material injecting pipe to be inserted into a mold, and then the servo linear motor drives a material pushing part to continue to move downwards; the material pushing part injects the molten wax material into the mold through the material injection pipe, wax pressing and injection operation is completed, and therefore the wax material is rapidly and evenly molten, meanwhile, the speed and pressure can be effectively controlled during pressing and injection, and the yield is increased.

The utility model discloses a runner, core box and loose piece integrated device, and belongs to the technical field of casting. A runner core box loose piece integrated device comprises a loose piece set, the two sides of the back of the loose piece set are convex faces, the convex faces are dovetail type convex faces, the convex faces and the loose piece set are integrally formed, the loose piece set comprises a loose piece I and a loose piece II, the bottom of the loose piece I is connected with the top of the loose piece II through an adhesive, and the bottom of the loose piece I is connected with the top of the loose piece II through the adhesive. And the back surface of the loose piece group is connected with the runner core box mold in an embedded manner. According to the utility model, the movable block I and the movable block II are firstly assembled and then are embedded into the runner core box mold for curing, so that the movable blocks are convenient to mount, the mounting efficiency of the movable blocks is improved, the positioning effect is good, the positions of the sand core movable blocks are not staggered, and the defects of loose positions, missing blocks and the like are greatly improved.

The invention relates to a combined die and method for temperature control cooling of a single-crystal hollow turbine blade wax mould, the combined die comprises a die main body, a main body extension section, a sliding combined table and a temperature control cooling channel, the die main body is provided with a placing surface matched with the blade wax mould and a fixing column for positioning the single-crystal hollow turbine blade wax mould; the main body extension section is connected with the mold main body, and a sliding rail is arranged on the upper surface of the main body extension section; the sliding combination table is arranged on the sliding rail and can be subjected to sliding position adjustment along the sliding rail, and a spiral section positioning groove and a seeding section mounting groove which are matched with a crystal selector wax mold are formed in the sliding combination table. And the temperature control cooling channel is arranged in the mold main body and the main body extension section, and the mold main body is cooled through cooling liquid in the temperature control cooling channel. Compared with the prior art, the problems of warping, deformation and misalignment of a crystal selection section and a blade main shaft in the preparation process of the single-crystal hollow turbine blade wax mold can be solved.

The invention discloses a wax mold welding device with a wax mold cleaning function and a wax mold assembling method.The wax mold welding device with the wax mold cleaning function comprises a first containing frame, a first mechanical arm, an assembling and welding mechanism and a mold cleaning assembly, and the first containing frame is used for storing a main pouring gate. A grabbing assembly is arranged on the first mechanical arm and used for grabbing the main pouring gate and driving the main pouring gate to move. The assembling and welding mechanism is used for welding the wax mold and the main pouring gate. The module cleaning assembly is internally provided with cleaning liquid, and during use, the first mechanical arm can drive the welded main pouring gate and the wax mold to enter the module cleaning assembly to be cleaned. The first manipulator grabs the main pouring gate on the first placing frame to be matched with the assembly welding mechanism to complete the welding operation of the wax mould to form a complete module, and the first manipulator conveys the complete module into the module cleaning assembly to be automatically cleaned after welding is completed, so that manual cleaning by workers is not needed, and the cleaning efficiency is improved while the cleaning consistency is guaranteed. And the production efficiency of products is effectively improved.

The utility model discloses a mould for manufacturing a wax mould of a mask frame, which comprises an upper mould, a first middle mould, a second middle mould and a lower mould, the first middle mould and the second middle mould are oppositely arranged, a cavity is formed among the upper mould, the first middle mould, the second middle mould and the lower mould, and the cavity is used for forming the wax mould of the mask frame; a first insert is arranged between the first middle mold and the lower mold, a second insert is arranged between the second middle mold and the lower mold, each of the first insert and the second insert is provided with a first core-pulling part, and the first core-pulling parts are used for forming the first mounting hole; the upper mold is provided with a second core-pulling part, the second core-pulling part is used for forming the second mounting hole, the lower mold is provided with a third insert, the third insert is provided with a third core-pulling part, and the third core-pulling part is used for forming the third mounting hole. According to the utility model, the consistency of the shape and the size of each mask frame can be improved, and defective products are reduced.