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56results about "Mould controlling devices" patented technology

An engine cylinder block lost foam mold molding device and casting method

The application discloses an engine cylinder body lost foam mold modeling device and a casting method. A plurality of modeling units are arranged in the form of an annular array, and each adjacent modeling unit has a spacing a. The modeling unit comprises a lifting linear degree of freedom, a feeding linear degree of freedom and a universal linear degree of freedom, and a seismic source for modeling. For each cell i, the following steps are performed: calculating the temperature gradient of the cell i using the temperature value difference calculation in the Moore neighborhood Ni. The technology provided by the application uses a temperature sensor to monitor the temperature distribution inside the mold in real time, calculates the rate prediction value through a cellular automaton, and thus realizes accurate control of fluid flow. Based on the prediction ability of the temperature distribution, the fluid flow situation can be predicted in advance, and corresponding control can be performed to ensure the casting quality.
Owner:NINGBO JINGZHI MOULD CO LTD

A method for preparing high-precision casting sand cores and sand shell components based on coated sand technology

This invention relates to the field of casting technology for sand cores and sand shells, and particularly to a method for preparing high-precision casting sand cores and sand shell components based on a coated sand process. The method includes the following steps: rinsing quartz sand and reacting it with a sodium silicate solution to obtain coated quartz sand; adding 3-aminopropyltriethoxysilane and water to the coated quartz sand in a high-speed mixer; sequentially adding modified benzoxazine resin, calcium citrate, magnesium chloride, hyperbranched polyamide, and polycaprolactone-grafted starch to obtain finished coated sand; plasma-treated chromium-12 molybdenum-vanadium mold steel to obtain an amino-modified mold; sand-jetting the finished coated sand into left / right half-shells; shaping and pre-embedding chromite sand cores with chills to obtain left / right half-shell green blanks; milling the surfaces of the left / right half-shell green blanks, coating them with resin, butt-jointing, curing, and deburring to obtain the casting sand core and sand shell. This method solves the problems of poor mechanical strength, poor high-temperature stability, low production efficiency, and poor environmental performance in high-precision casting sand cores and sand shells.
Owner:ZHEJIANG SHENGBANG PRECISION IND CO LTD

Casting forming compaction mechanism based on pressure feedback

The utility model discloses a casting molding compaction mechanism based on pressure feedback, which comprises a frame and a working plate in bolted connection with the bottom of the frame, the top of the working plate is provided with a molding compaction die, the frame is an L-shaped frame, and the side wall of the frame is in bolted connection with a compaction driving mechanism for driving the molding compaction die to move up and down to realize mold closing compaction. The pressure feedback device is arranged, the pressure sensor is used for detecting the compaction pressure in real time, data are transmitted to the data processing unit to be analyzed and processed, the driving motor can be accurately controlled, real-time adjustment of the compaction pressure is achieved, the problem that a traditional compaction mechanism is not accurate in pressure control is solved, and the compaction efficiency is improved. And the multiple pressure sensors evenly distributed in the compaction mold can comprehensively and accurately detect the pressure, the situation that the compaction effect is not uniform is effectively avoided, and the quality stability of casting forming is improved.
Owner:JIANG SU MING LONG DONG LI KE JI YOU XIAN GONG SI

Intelligent precise control cleaning method and system for sand mold 3D printing sand area

The invention provides an intelligent precise control cleaning method and system for a sand mold 3D printing sand area, and belongs to the technical field of computers.The method comprises the steps that image data are obtained through a camera, and point cloud data are obtained through a 3D scanner; target detection based on deep learning is carried out on the image data, and a first cleaning position is identified; preprocessing the point cloud data to obtain a second cleaning position; fusing the first cleaning position and the second cleaning position to obtain a cleaning position set; identifying the type of a cleaning substance of the image data and the point cloud data corresponding to each cleaning position in the cleaned position set through a pre-trained classification model; based on the type of the cleaning substance, a corresponding end effector is matched for the mechanical arm, and a cleaning strategy is determined; planning a cleaning path of the mechanical arm based on the space pose of the cleaning position set, the end effector and the point cloud data; and the mechanical arm is controlled to clean the sand area based on the cleaning strategy and the cleaning path. The sand area cleaning efficiency is improved.
Owner:KANGSHUO (CHONGQING) INTELLIGENT MANUFACTURING CO LTD

Precise sand adding device for horizontal molding line

The utility model belongs to the field of industrial casting, particularly relates to an accurate sand adding device for a horizontal molding line, and provides the following scheme aiming at the problems that a conveying belt is unstable in feeding during feeding and molding sand is inconvenient to discharge when the feeding is excessive in the prior art: the accurate sand adding device comprises a rack and a hopper arranged at the top of the rack, a plurality of weighing sensors are fixedly mounted between the bottom of the hopper and the top of the rack, one side of the hopper is fixedly connected with a through mounting pipe, one end of the mounting pipe is communicated with the hopper, the bottom of the mounting pipe is fixedly connected with a discharging pipe for discharging raw materials, and a through driving shaft is rotationally connected between the two ends of the mounting pipe; according to the molding sand feeding device, excessive molding sand in the hopper is discharged through the feeding blades, so that the weight error of the molding sand in the hopper is reduced, the sand feeding accuracy is improved, meanwhile, the hopper can vibrate, the molding sand is prevented from staying and being attached to the interior of the hopper, and the feeding accuracy is further improved.
Owner:CHENZHOU HENGXIN CASTING CO LTD

Servo pushing and buffering device for box molding line

The utility model discloses a servo pushing and buffering device for a box molding line, which comprises a production plate and a buffering plate arranged on the upper surface of the production plate in a sliding manner, and a pushing assembly for stably pushing a sand box to move is arranged on the side surface of the production plate; the pushing assembly comprises a supporting block, a rack, a driving gear, a limiting module and a buffering module, the supporting block is fixedly arranged on the upper surface of the production plate, the driving gear is rotationally arranged on one side of the supporting block through a rotating column, and the rack is engaged with the driving gear; the motor drives the driving gear to rotate through the rotating column, and the driving gear drives the rack to move through meshing, so that the pushing speed and force are accurately controlled according to the rotating speed of the motor, the production progress and the product quality of the box molding line are improved, and meanwhile, the sand box is pushed to move through cooperation of the buffer module and the pushing plate; therefore, impact force generated when the sand box is conveyed in place is effectively absorbed, damage to the sand box and equipment is reduced, and the service life of the whole equipment is prolonged.
Owner:CHANGZHOU FONDARC CLAY SAND FOUNDRY MASCH CO LTD

Resin sand modeling film-coating foam mold with rapid mold removal function and manufacturing method of resin sand modeling film-coating foam mold

The invention relates to the technical field of casting mold manufacturing, in particular to a resin sand modeling film-covering foam mold with a rapid mold removing function and a manufacturing method, and the resin sand modeling film-covering foam mold comprises a mold body which is made of a foam material and used for forming a casting cavity; the film covering surface layer covers the outer surface of the mold body; the built-in demolding mechanism is arranged in the mold body; wherein the built-in demolding mechanism comprises at least two demolding driving units which can be independently controlled to act, and the demolding driving units are configured to be capable of driving local areas, corresponding to the demolding driving units, of the mold body to generate displacement or deformation which enables the local areas to be separated from peripheral resin sand casting molds under a demolding instruction; through the partition intelligent deformation demolding system and the gradient functional coating, controllable, uniform and thorough rapid demolding without damage to a casting mold can be achieved for a complex mold shape.
Owner:HUNAN XINQUAN TECH CO LTD

Automatic sand adding device for molding in casting workshop and working method of automatic sand adding device

The casting workshop modeling automatic sand adding device comprises a sand storage tank and a sand outlet mechanism arranged on the lower side of the sand storage tank, the sand outlet mechanism comprises a sand outlet nozzle and a sand outlet hose connected with the sand outlet nozzle and the bottom of the sand storage tank, a control valve used for controlling opening and closing of the sand outlet nozzle is arranged in the sand outlet nozzle, and the sand outlet hose is connected with the sand outlet nozzle. The sand outlet nozzle is further provided with a sand nozzle moving mechanism used for controlling the sand outlet nozzle to move in all directions in the horizontal direction, a sand box positioning mechanism used for detecting an opening of a sand box is further arranged beside the sand outlet nozzle, and the sand box positioning mechanism is used for being matched with the sand nozzle moving mechanism. The sand box positioning mechanism is arranged to be matched with the sand nozzle moving mechanism, so that automatic and uniform sand injection is achieved, the automation degree is higher, sand injection is more uniform, the position of the sand injection nozzle does not need to be manually adjusted, the production efficiency is improved, and the production cost is reduced. And the labor intensity is reduced.
Owner:ANHUI NEW HIGH-TECH STEEL BALL GRP

Full-automatic double-station bionic sand shooting molding machine and sand shooting molding method

PendingCN122184290AMoulding plantsMoulding machines
A full-automatic double-station bionic sand shooting molding machine and a sand shooting molding method. It relates to the technical field of foundry molding machines. Through symmetrical arrangement of upper and lower mold boxes, double independent molding stations are provided, and a double-gantry clamping and transferring device is matched, so that the core molding process and the auxiliary preparation process can be completely parallel operation, without process waiting, the whole production process has strong continuity, the production efficiency is improved by more than 100% compared with single-station equipment, the sand shooting flow channel designed by using bionic structure solves the problems of traditional sand shooting such as turbulence and dead angle, the uniformity of sand filling is greatly improved, and the qualified rate of finished products is improved from 85% of the traditional method to more than 99.5%; meanwhile, through the sand grinding sand self-protection structure, the flow channel wear is greatly reduced, and the service life of the equipment is prolonged by more than 3 times. Full-process automation, without manual intervention, 24-hour unmanned continuous production can be realized; at the same time, the sand box bottom, the sand box wall and the core can realize closed loop recycling after sorting, greatly reducing the production material cost, and adapting to the flexible production demand of modern foundry workshop.
Owner:SUQIAN COLLEGE +1

Resin heating and heat preservation device and 3D sand mold printer

The utility model relates to the field of 3D (three-dimensional) sand mold printing, in particular to a resin heating and heat preservation device and a 3D sand mold printer, which comprise a cylinder body used for accommodating resin and provided with a feed port and a discharge port; the heating mechanism is arranged in the cylinder body; the temperature sensor is arranged in the cylinder body; the temperature controller is arranged on the cylinder body, and the heating mechanism and the temperature sensor are electrically connected with the temperature controller. The temperature control device can accurately control the temperature of resin, ensures that the resin is in a normal state, is directly supplied to the 3D sand mold printer for use, meets the continuous use requirement of the 3D sand mold printer, and also can reduce the loss.
Owner:SINO TRUK JINAN POWER CO LTD

Lost foam positioning device

The utility model discloses an evanescent mode positioning device, relates to the field of evanescent mode production, and solves the technical problems of high difficulty in manual positioning operation and low efficiency in existing yellow film boxing. The device comprises a controller, a rectangular support, a first sliding rail and a second sliding rail, the first sliding rail is installed on one side of the bottom of the rectangular support, the second sliding rail is installed on the other side of the bottom of the rectangular support, moving modules are installed on the first sliding rail and the second sliding rail, and laser positioning modules are installed on the moving modules. The yellow film boxing positioning device achieves automatic operation of yellow film boxing positioning, improves accuracy of yellow film boxing positioning, reduces errors and operation difficulty of manual positioning, and improves working efficiency.
Owner:GUANGXI JINCHUANG AUTO PARTS MFG

A sand adding device for molding sand processing

The application relates to the technical field of casting processing auxiliary equipment, and particularly discloses a molding sand adding device for casting processing, which comprises a sand storage mechanism, a first conveying mechanism is arranged on one side of the sand storage mechanism, a vibrating table is arranged below the sand storage mechanism, a second conveying mechanism and a transfer mechanism are respectively arranged on the two sides of the vibrating table, a first pushing mechanism and a second pushing mechanism are respectively arranged on the sides, away from the vibrating table, of the second conveying mechanism and the transfer mechanism, and a pressing mechanism is arranged on the side, close to the first conveying mechanism, of the transfer mechanism. The molding sand adding device can realize the operations of molding sand adding, sand vibrating and sand pressing, guarantees the quality of sand adding, has the function of mixing and stirring the raw sand and raw materials before sand adding, enriches the application range of the device, improves the utilization rate of the device, helps workers to know the stock of the molding sand in the sand storage tank in real time, so that the molding sand can be supplemented in the sand storage tank in time, and the continuity of molding sand adding is guaranteed.
Owner:MAANSHAN SANCHUAN MACHINERY MFG CO LTD

Permanent magnet synchronous motor multi-machine cooperative synchronous control method and system for precision casting production line

The invention relates to the technical field of multi-machine cooperative control, in particular to a permanent magnet synchronous motor multi-machine cooperative synchronous control method and system for a precision casting production line. Forming a scheduling target which takes minimization of total completion time as a main part and simultaneously comprises capability matching gain, path conflict regularization and key process delay punishment, and generating a time-equipment-task ternary scheduling matrix; performing field-oriented performability judgment on the matrix, finishing matrix correction by adopting a structured minimum disturbance strategy of first time translation and then equipment migration, and maintaining task chain continuity by chained time sequence buffer to ensure that process connection is not damaged by correction; and generating a control instruction diagram by taking the corrected scheduling matrix as a blue, mapping each scheduling unit into an instruction node, and introducing a synchronous edge based on a uniform clock to realize parallel action alignment, so that beat consistency can be kept under complex working conditions and equipment heterogeneous conditions.
Owner:DONGGUAN QUNLI MOTOR CO LTD +1

Molding machine template replacing device

The utility model relates to the technical field of molding machine template replacing equipment, and provides a molding machine template replacing device which is used for replacing a template in a molding machine and comprises a moving device, the moving device is provided with a transverse moving mechanism, a longitudinal moving mechanism, a lifting mechanism and a clamping piece, and the clamping piece is arranged on the lifting mechanism. The lifting mechanism is arranged on the longitudinal moving mechanism, the longitudinal moving mechanism is arranged on the transverse moving mechanism, and the clamping piece is used for being connected with a formwork in a clamped mode. The blowing mechanism is arranged on the lifting mechanism, an air outlet pipe of the blowing mechanism faces the end, away from the lifting mechanism, of the clamping piece, and the blowing mechanism is configured in the mode that after the blowing mechanism blows the template connecting face in the molding machine, the clamping piece clamps the template to be connected with the molding machine. By means of the technical scheme, the technical problem that in the prior art, due to the fact that sand adheres to the mold plate connecting face of a molding machine, mold plate positioning is not accurate when mold plates are replaced is solved.
Owner:SHUNPING JICHUANG ELECTROMECHANICAL EQUIP MFG CO LTD

Sand hopper feeding device

The application discloses a sand hopper feeding device and belongs to the field of casting equipment. The sand hopper feeding device comprises a core shooter, a sand storage assembly, a suspension conveying assembly and a breaking assembly. The sand storage assembly comprises a sand storage part arranged above the sand hopper, and a sand guide part is arranged on one side of the sand storage hopper. The suspension conveying assembly is arranged on one side of the sand storage assembly. The breaking assembly comprises a closing part at the opening of the sand storage hopper, guide parts arranged on the two sides of the sand storage hopper, linkage parts arranged on the two sides of the sand storage hopper, and a giving part arranged on the bottom surface of the large hopper cover. The sand hopper feeding device can automatically break the ton bag without manual operation through the closing part composed of the large hopper cover and the small hopper cover, the cooperation of the guide parts, the linkage parts and the giving part. The suspension conveying assembly automatically sends the ton bag to the upper side of the sand storage hopper. The sand storage assembly temporarily stores sand, and the sand guide part assists sand conveying to the sand storage hopper of the core shooter. The sand supply is stable in combination with sand quantity monitoring, the problems of insufficient or excessive sand quantity are avoided, the feeding automation and the sand core quality are improved, and the dependence on manual operation is reduced.
Owner:HANGZHOU RUIKAI MACHINERY

Molding system and molding method

The invention provides a molding system and a molding method. The degree of freedom of layout in casting equipment related to snap flask molding is improved. A molding system is provided with: a flaskless molding machine for molding upper and lower molds and pushing out the upper and lower molds to a flat pallet located at a mold pushing-out position among a plurality of conveyed flat pallets; and the box cover covering device covers the box cover on the upper casting mold and the lower casting mold on the flat trolley at the casting mold push-out position.
Owner:SINTOKOGIO LTD

An automatic core-making sand suction device

ActiveCN224273196Ueasy to useDischarge speed controlFoundry mouldsFoundry coresAir pumpControl valves
This utility model discloses an automatic sand suction device for core making, relating to the field of automatic sand suction technology for core making. Specifically, it is an automatic sand suction device for core making, comprising a base, a sand storage box fixedly installed on the top of the base, a connecting pipe fixedly installed on the top of the sand storage box, a filter screen fixedly installed at one end of the connecting pipe, an air pump fixedly installed on the top of the sand storage box, an air extraction pipe fixedly installed on one side of the air pump, one end of the air extraction pipe fixedly installed at one end of the connecting pipe, a feed pipe fixedly installed on one side of the sand storage box, and a control valve fixedly installed on the outside of the feed pipe. This automatic sand suction device for core making, through the design of the telescopic sand suction pipe, eliminates the need for employees to manually transport bags of fine sand to the feed inlet of the core making equipment or to use lifting equipment to pour it into the equipment, thus saving time and labor and achieving a more convenient use.
Owner:CHANG GE SHI FU XING QI PEI YOU XIAN GONG SI

Mold molding device and mold molding method

Provided is a mold molding apparatus and a mold molding method that reduce waste of strokes for extrusion, improve efficiency of a carrier plate replacement operation, and assist in auxiliary operations. The mold molding apparatus includes: a carrier plate replacement device of a turret type; a sand box carrying-in / out device that carries in a sand box to a molding space formation position provided in the carrier plate replacement device and carries out the molded sand box; a sand box carrier plate superposition device that superposes each carrier plate with the carried-in sand box to form a molding space; a molding sand filling device that fills the molding space with molding sand; a molding station that is provided adjacent to the molding space formation position and includes a molding sand pressing device that molds a mold by pressing the molding sand; and a sand box carrier plate moving device that moves the carrier plate and the sand box in a superposed state from the molding space formation position to the molding station.
Owner:METAL ENG

A coremaking machine and shot, cure process control method

The present application relates to the technical field of metal casting, and particularly discloses a core making machine, which is provided with at least two regulating systems in the circumferential direction of the side wall of a core box. During sand shooting, the exhaust adjusting branch of the regulating system controls the exhaust amount during sand shooting to avoid excessive pressure drop loss, and the negative pressure adjusting branch adjusts the vacuum degree in the cavity to increase the pressure difference between the region and other regions, improve the flowability of the sand, and facilitate compacting of the sand, thereby achieving good core making effect. During solidification and blowing, the blowing mechanism can blow triethylamine gas into the cavity through the top and side of the core box, achieve the best solidification and air intake combination, increase the air intake area, shorten the solidification time, improve the solidification efficiency, and increase the opening of the exhaust adjusting branch to increase the exhaust amount of the corresponding region and ensure smooth air intake. The present application also provides a sand shooting and solidification process control method applied to the core making machine.
Owner:SUZHOU MINGZHI TECH CO LTD

Modularized rapid mold changing molding machine

The utility model discloses a modularized quick mold changing molding machine which comprises a mold opening and closing mechanism, mold changing rails are arranged on the two sides of the mold opening and closing mechanism, a mold changing trolley capable of moving front and back is arranged on the mold changing rails, and a moving mechanism is arranged above the mold changing trolley. A plurality of air bags are arranged at the corresponding top end position over the mold opening and closing mechanism, and sand hoppers are arranged among the air bags. According to the utility model, quick die change can be realized, dies of various specifications are compatible, and the production efficiency and the flexible manufacturing capability are improved.
Owner:浙江省机电设计研究院有限公司

Hollow turbine blade design method

The invention provides a hollow turbine blade design method. Firstly, a ceramic simulation part is designed based on the size of a mold core of the hollow turbine blade, then the ceramic simulation part is pressed and sintered, the shrinkage rate of the ceramic simulation part during sintering is obtained, and finally a ceramic mold core mold and an appearance mold of the hollow turbine blade are designed based on the shrinkage rate. According to the hollow turbine blade design method disclosed by the invention, the shrinkage rate of the ceramic simulation piece with the similar size during sintering is firstly obtained, and then the ceramic core mold and the appearance mold of the hollow turbine blade are designed according to the shrinkage rate of the ceramic simulation piece during sintering, so that the core sintering shrinkage size of the hollow turbine blade can be effectively controlled; and the size and the flow of the inner cavity of the turbine blade can be ensured, so that the design and the manufacturing of the high-precision hollow turbine blade are realized.
Owner:AVIC BEIJING INST OF AERONAUTICAL MATERIALS +1

Demoulding device of precoated sand core shooter

The invention relates to the technical field of casting production, in particular to a precoated sand core shooter demolding device which comprises a supporting mechanism, a sand storage cavity is fixedly mounted at the top of the front end of the supporting mechanism, a sand shooting head is movably mounted at the rear end of the sand storage cavity, and the supporting mechanism comprises a synchronous positioning part and a collecting device. The synchronous positioning component comprises an alignment device, a synchronizing device and an auxiliary device, the auxiliary device is fixedly installed at the front end of the synchronizing device, the rear end of the synchronous positioning component is fixedly installed at the front end of the synchronizing device, and the synchronizing device comprises an outer end support, a first guide rail, an extension plate, a first winding wheel, a first gear, a connecting rope, a first auxiliary roller and a supporting top frame. The first guide rails are fixedly mounted at four corners of the front end of the outer-end support, and the extension plate is fixedly mounted in the center of the bottom end of the outer-end support. Through the arrangement of the supporting mechanism, the purposes that the precoated sand core shooter conducts synchronous mold cleaning and guiding type residue conveying are achieved.
Owner:HENAN HUATENG HEAVY IND TECH CO LTD

Automatic core assembling and setting system for whole sand core of swing bolster and using method of automatic core assembling and setting system

The invention belongs to the technical field of casting, and provides an automatic swing bolster integral sand core assembling and setting system which comprises a sand mold transferring and positioning mechanism, a sand core assembling mechanism, a sand core setting mechanism, a sand core transferring mechanism, a core assembling mould and a control system. The sand mold transferring and positioning mechanism is used for transferring a sand box and positioning a sand mold; the sand core assembly mechanism comprises a core assembly component and a first transfer mechanism and is used for transferring and combining sand cores; the sand mold core setting mechanism comprises a core setting assembly and a second transfer mechanism and is used for sand core transfer and sand mold core setting; the sand core transferring mechanism comprises a core supporting bottom plate and a sand core track and is used for placing and transferring a sand core; the core assembly mould comprises a core assembly bottom plate, a supporting column and a positioning contact, and the supporting column and the positioning contact are arranged on the core assembly bottom plate according to the shape of the sand core and used for positioning the position of the sand core on the core assembly mould; according to the system, sand core assembling and sand mold core setting are rapidly and efficiently completed through the control system, automatic operation of sand core assembling and sand mold core setting is achieved, and the sand core assembling precision and the sand mold core setting efficiency are improved.
Owner:JINXI RAILWAY VEHICLE CO LTD

Strong heat reduction amount estimation device, strong heat reduction amount estimation method, machine learning device, and machine learning method

To estimate a strong heat reduction in a short time with high accuracy. A strong heat reduction estimation device (1) includes one or more processors that execute an estimation step of estimating a strong heat reduction of foundry sand using a learned model (LM) constructed through machine learning. Inputs to the learned model (LM) are (1) sand weight data related to a weight of the foundry sand detected during a baking period, (2) at least any one of sand property data related to a property of the foundry sand, additive data related to an additive added in the foundry sand, and baking environment data related to a baking environment detected during the baking period. An output of the learned model (LM) is an estimated value of the strong heat reduction.
Owner:SINTOKOGIO LTD

Large steel casting sand mold stable overturning method based on synchronous control of large hook and small hook

The invention discloses a large steel casting sand mold stable overturning method based on synchronous control of large and small hooks, and relates to the technical field of steel casting sand mold production. S2, hoisting in the air; s3, the rope is loosened for unloading; s4, turning over in the air; and S5, synchronous falling is carried out. The sand mold is overturned in the air and does not make contact with the ground in the whole process, and the problem that the angle is out of control due to ground contact in a traditional overturning mode is solved. And no strong vibration exists in the overturning process, so that the sinking of the wet sand mold and the falling and scrapping of the dry sand mold are effectively prevented, and the sand mold yield is greatly improved. The sand mold overturning stability is guaranteed, the sand box reinforcing amount is reduced, meanwhile, sand mold overturning cracking is avoided, the sand mold size precision is guaranteed, and the steel casting product quality is improved.
Owner:CRRC YANGTZE TONGLING CO LTD

Propeller sand mold automatic scraping device based on industrial robot

The utility model provides a propeller sand mold automatic scraping device based on an industrial robot, which comprises a sand scraping actuating mechanism connected to the output end of the industrial robot; the sand scraping executing mechanism comprises a driving part and a sand scraping head connected to the driving part, and the driving part can rotate to drive the sand scraping head to rotate. A mechanism combining the industrial robot with the driving piece and the sand scraping head is adopted, the characteristics of high precision and high automation degree of the industrial robot are utilized to be matched with the driving piece and the sand scraping head to scrape a sand mold, and a mold manufacturing link is omitted; the driving part is matched with the industrial robot to realize full-automatic operation; based on the actions of the industrial robot and the sand scraping head, personal errors can be eliminated, so that the scraping precision is remarkably improved; and different blade sizes and screw pitches are adapted through a program, and the measurement point density does not need to be adjusted or tools do not need to be replaced, so that the whole equipment is high in universality.
Owner:KAIPING YUANHANG PROPELLER MFG CO LTD

Core transport device

To provide a core conveying device capable of efficiently inverting and conveying a plurality of mold-formed cores to be used in engine casting.SOLUTION: A core conveying device 1 includes: a plurality of gripping parts 4-6 for individually gripping a plurality of cores C1-C3; a holding part 7 for holding the plurality of gripping parts 4-6 aligned in a predetermined arrangement direction X; a flipping part 8, connected to the holding part 7, for flipping the holding part 7 vertically around a rotation axis extending in a horizontal direction together with the plurality of gripping parts 4-6; and a conveying part 3, connected to the flipping part 8, for conveying the holding part 7 holding the plurality of gripping parts 4-6 through the flipping part 8 to a predetermined placing place where the plurality of cores C1-C3 are placed.SELECTED DRAWING: Figure 1
Owner:MAZDA MOTOR CORP

Preparation method of high-precision casting sand core and sand shell based on precoated sand process

The invention relates to the technical field of casting of sand cores and sand shells, in particular to a high-precision casting sand core and sand shell preparation method based on a precoated sand technology. Coating quartz sand in a high-speed mixer, adding 3-aminopropyltriethoxysilane and water, sequentially adding modified benzoxazine resin, calcium citrate, magnesium chloride, hyperbranched polyamide and polycaprolactone grafted starch to obtain a finished product of precoated sand, performing plasma treatment on chromium 12 molybdenum vanadium die steel to obtain an amino modified die, and drying the amino modified die to obtain a finished product of the precoated sand. Shooting the finished precoated sand to form a left / right half core shell, shaping and pre-embedding a chromite sand core and a chilling block to obtain a left / right half core shell green body, milling the surface of the left / right half core shell green body, coating resin, butting, curing and deburring to obtain a casting sand core and a sand shell; therefore, the problems of poor mechanical strength, poor high-temperature stability, low production efficiency, poor environmental protection property and the like of high-precision casting sand cores and sand shells are solved.
Owner:ZHEJIANG SHENGBANG PRECISION IND CO LTD

Automatic batching and charging equipment

The utility model discloses automatic batching and charging equipment, and relates to the technical field of sand core casting. The automatic batching and charging equipment comprises a coarse sand storage tank, a fine sand storage tank, a weighing device, a mixed material conveying device, a sand mixing device and a sand conveying device, the sand conveying device comprises a core sand conveying mechanism and a sand adding mechanism, the sand adding mechanism is slidably mounted on the core sand conveying mechanism, a material receiving station and a discharging station are arranged on the core sand conveying mechanism, a discharging hopper is arranged on the discharging station and connected with the core shooter, and the core shooter is connected with the sand adding mechanism. The core sand conveying mechanism is used for driving the sand adding mechanism to reciprocate between the material receiving station and the discharging station, and the sand adding mechanism is used for conveying a core sand mixture to the discharging hopper. The automatic batching and charging equipment disclosed by the utility model can realize the functions of automatic weighing, automatic batching and automatic charging, reduces the working intensity, improves the production efficiency, can accurately control the addition amount of raw materials, avoids the problem of inaccurate batching caused by human factors, and ensures the quality stability of a sand core.
Owner:ZHAOQING LEHUA HENGYE HARDWARE PROD CO LTD