34results about How to "Improve sand mixing efficiency" patented technology

The invention belongs to the technical field of sand mixing equipment and relates to a continuous clay sand mixer. A new and old sand bin, a bentonite bin and a pulverized coal bin are arranged above a comprehensive charging hole, a moisture detector connected with a PLC control unit in an electric information mode is arranged under the new and old sand bin, and online detection of moisture of new and old sand before sand mixing can be achieved; after a human-machine control interface presets raw material parameters, the PLC control unit is used for analysis and calculation to control operation of a water pump frequency converter, a bentonite spiral feeding frequency converter and a pulverized coal spiral feeding frequency converter, and water, bentonite and pulverized coal are continuously added to a mixing cage in real time in an online and quantified mode; a return bin with a discharging mechanism is arranged under the mixing cage, so that mixed moulding sand is conveyed to the next production link; the mixer is simple in structure, reasonable in design, scientific in principle, simple in operation, high in sand mixing efficiency, good in sand mixing effect and good in finished product performance, the production efficiency is improved, and production cost is lowered.

The invention provides an efficient sand mixer. The efficient sand mixer comprises a sand mixing cylinder, a base plate sand mixing mechanism, an eccentric stirring mechanism, a shifting plate drivingupper disc, a shifting plate supporting lower disc, material scraping shifting plate assemblies and an upper disc driving mechanism, wherein the bottom of the sand mixing cylinder is provided with the base plate sand mixing mechanism, an auxiliary stirring mechanism is arranged on the base plate sand mixing mechanism, the eccentric stirring mechanism comprises a first stirring mechanism and a second stirring mechanism, the upper disc driving mechanism controls the shifting plate driving upper disc to rotate through a gear driving mechanism, the plurality of material scraping shifting plate assemblies are distributed in the sand mixing cylinder at intervals in the circumferential direction, the upper ends and the lower ends of the material scraping shifting plate assemblies are arranged onthe shifting plate driving upper disc and the shifting plate supporting lower disc respectively, and scraping plates which are matched with the inner wall of the sand mixing cylinder in an abutting mode are arranged on the material scraping shifting plate assemblies. Thus, the mixing time can be shortened, the sand mixing efficiency is improved, molding sand sticking to the inner wall of a shellof the sand mixer can be timely removed, and uniform sand mixing is ensured.

The invention discloses a continuous resin sand mixing machine and a sand mixing method. The continuous resin sand mixing machine comprises a feeding box and a sand mixing barrel which are arranged horizontally, wherein a rotating device is arranged on the upper part of a supporting device; the feeding box is mounted on the rotating device; a feeding opening is formed in the top of the feeding boxand is connected with a feeder system; a motor is mounted on the horizontal side of the feeding box; the other opposite side of the feeding box communicates with the sand mixing barrel; the cross section of the sand mixing barrel is U-shaped; the resin sand cannot be adhered easily; the space is large; large space is reserved in the upper part of the sand mixing barrel to remove dust and odor effectively; the continuous resin sand mixing machine is environmentally friendly; the sand mixing method is simple and efficient; and the product cost is low.

The invention relates to foundry machinery, specifically to sand mixing equipment. The sand mixing equipment comprises a cylinder, a rotation shaft, a driving motor, a watering device, a valve device, a sand rolling device, a sand fluffing device, a sand-casting device and a scraper plate. The cylinder is a hollow cylinder structure. The bottom of the cylinder is provided with a fan-shaped opening. A support plate is arranged at the opening. The opening is used for releasing mixed sand. The support plate is provided with through-holes. The rotation shaft is installed at the middle part of the cylinder. The driving motor is positioned below the cylinder. The watering device is positioned above the rotation shaft. The valve device is installed at the bottom of the cylinder. The sand rolling device, the sand fluffing device, the sand-casting device and the scraper plate are uniformly installed on the periphery of the rotation shaft. The scraper plate is positioned at the bottom of the cylinder. The sand mixing equipment has a simple structure. By effectively integrating a muller, a sand fluffing rod, a plough and the scraper plate, rolling, grinding, stirring and turning-over of a material are realized, and sand-mixing efficiency of the sand mixer is enhanced.

The invention relates to a casting sand mixer. The casting sand mixer comprises a machine base, a round sand mixing hopper, a rotating motor assembly, a wheel train transmission mechanism, turning andgrinding assemblies and a scraping plate mechanism, the round sand mixing hopper is fixedly arranged on the machine base, the rotating motor assembly is fixedly arranged at the central position of the bottom of the machine base, the wheel train transmission mechanism is fixedly arranged at the top of the rotating motor assembly, the two turning assemblies are symmetrically and rotationally arranged on the wheel train transmission mechanism, and the scraping plate mechanism is fixedly arranged on the wheel train transmission mechanism; the rotating motor assembly can drive the wheel train transmission mechanism, the whole synchronous rotation formed by the turning and grinding assemblies and the scraping plate assembly is achieved, the wheel train transmission mechanism can drive the two turning and grinding assemblies to rotate. According to the casting sand mixer, the grinding roller and the sand turning structure of the casting sand mixer are uniform and compact in design and convenient to dismount and maintain, cleaning and rapid replacement of the grinding wheel structure are facilitated, and the efficiency and quality of sand mixing are ensured.

The invention discloses a molding sand casting sand mixing device and a working method thereof. The molding sand casting sand mixing device comprises a mixing box body, wherein a grinding motor and a feeding port are arranged at the top of the mixing box body respectively; an output shaft of the grinding motor extends into the mixing box body; a plurality of grinding balls are arranged on the output shaft respectively; a plurality of grinding protrusions are arranged on the grinding balls; a grinding body is arranged between grinding balls and the inner wall of the mixing box body; a sand passing channel is reserved between the grinding body and the grinding balls; a discharging hole is formed in the lower end of the grinding body; a filtering sieve plate is arranged below the grinding body; a sand mixing area is formed below the filtering sieve plate; a stirring rod of a hollow structure is transversely arranged in the sand mixing area; a stirring motor is arranged at one end of the stirring rod; and a rotary joint is arranged at the other end of the stirring rod, and is externally connected with additive liquid. The grinding balls are arranged for sequential grinding, so that the probability of coarse sand is reduced; meanwhile, coarse sand particles can be screened out, fine sand enters the sand mixing area, and the additive liquid is sprayed while stirring is conducted, so that uniform sand mixing is achieved, and the sand mixing efficiency and the quality of finished molding sand are improved.

The present invention discloses a casting sand grinding and mixing system, which is provided with at least two main silos, bottoms of the main silos are provided with discharge ports, a coarse material conveyor belt which is used to transport a material to a burnisher is arranged below the discharge port of the main silo, a fine conveyor belt which is used to transport the material to a storage silo is arranged at the discharge port at the bottom of the burnisher, and a vibrating screen is arranged below the fine conveyor belt and above the storage silo. The casting sand grinding and mixing system has the advantages simple structure, high degree of automation, improvement of the efficiency of sand mixing, and reducing of labor costs.

Disclosed is a sand mixer, comprising a machine base (1), a mixing device connected to the machine base, and a sand feeding hopper (2) and a water spray device (6) connected to the mixing device, wherein the mixing device comprises a sand conveying and mixing mechanism (3) and a final mixing mechanism (4), a first end of the sand conveying and mixing mechanism is connected to the sand feeding hopper, and a second end of the sand conveying and mixing mechanism is connected to the final mixing mechanism; the outside of both the sand conveying and mixing mechanism and the final mixing mechanism is sheathed with a temperature control cylinder (5), a gap for introducing a temperature control medium is provided between the temperature control cylinder and the sand conveying and mixing mechanism and between the temperature control cylinder and the final mixing mechanism; and the water spray device is respectively in communication with the sand conveying and mixing mechanism and the final mixing mechanism. A sand mixing process is further comprised. The sand mixer realises continuous sand mixing, and effectively controls the temperature of sand and the internal humidity, thereby improving the sand mixing efficiency and the performance of mixed sand.

The invention discloses a sand mixing machine, which comprises a frame, a lifting frame, a lifting motor, a turning frame, a turning motor, two sand mixing buckets and two sand mixing motors, the lifting frame is arranged on the frame, and the turning motor is installed on On the lifting frame, the turning frame is rotated and set on the lifting frame, and the two sand mixing buckets are arranged on the turning frame. There is a stirring shaft in the sand mixing bucket, and a stirring blade is set on the stirring shaft. One end of the stirring shaft is connected from the sand mixing bucket. One end extends out of the sand mixing bucket, and the agitating shaft extends out of the sand mixing bucket. A connecting piece is provided at one end of the mixing bucket, and an internal spline is arranged on the connecting piece. The sand motor is arranged on the top of the frame, and the output shaft end of the sand mixing motor is provided with an external spline that can cooperate with the internal spline on the connecting key. The present invention is provided with two sand mixing tanks, and when one sand mixing tank is mixing sand, the other sand mixing tank discharges sand outwards, which reduces the downtime of sand discharging and improves the sand mixing efficiency of the present invention.

The present invention relates to the technical field of mechanical equipment, and in particular, to a sand mixer; the sand mixer of the present invention includes a main frame, and also includes a second motor arranged at the lower part of the main frame and arranged on the second motor The controller, the bearing member arranged on the main frame and located on the upper side of the second motor, the lifting member screwed on the second motor and pressed on the bearing member, and the lifting member arranged on the second motor The first motor on the upper end of the bearing member, the rolling member screwed on the first motor, and the adjusting member arranged on the upper part of the rolling member; High sand efficiency and good sand mixing quality.

The invention relates to the technical field of mechanical equipment, in particular to sand mixing equipment. The sand mixing equipment comprises a base and further comprises a mixing assembly arranged at one side of the upper end of the base, a first motor arranged at the lower end of the mixing assembly in a rotatable mode, a main machine frame, a motor installing base, a second motor and a sand mixing assembly which is arranged on the upper side of the main machine frame and connected to the second motor in a rotatable mode. The mixing assembly comprises an outer cylinder body, a bearing piece, a detecting cavity, a lifting shaft and a positioning and pressing piece. A pressure sensor is arranged in the detecting cavity. The positioning and pressing piece comprises a first rotary seat, inserted connection blocks, a first rotary head, a vertical pressing rod, an inner pressing frame, a pressure-resistant layer, a first adjusting rod and a handle. Rotary balls are installed between the vertical pressing rod and the inner pressing frame. The sand mixing equipment is convenient to operate and adjust, high in sand mixing efficiency and good in sand mixing quality.

The present invention relates to the technical field of mechanical equipment, in particular to a drum-type sand mixing device; the drum-type sand mixing device of the present invention includes a main box, and also includes a feeding part, a filtering part, a mixing part, a driving part and a discharging part; The mixing component includes a main output shaft, a transmission seat, a first rotary joint, a stirring rod, a mixing plate, a fixed frame and a locking piece; the locking piece includes an outer cover plate, a guide rod, a gasket, an extrusion piece, and an adjustment spring And the male inserting side plate; the fixed frame includes a rotating ring, a main tight seat, a sub-rod, a first rotary joint, an auxiliary rod and a clip joint; along the axial direction of the main tight seat, it is inside A first guide hole is pierced; a first installation groove is recessed in the first rotary joint; a first connecting thread is provided in a concave recess in the outer wall of the first rotary joint; the cylindrical type of the present invention The sand mixing equipment is easy to operate, easy to adjust, high sand mixing efficiency, and good sand mixing quality.

The invention belongs to the technical field of coated sand production equipment and discloses a coated sand sand mixer, which includes a sand mixer body, the sand mixer body includes a sand mixing cylinder, a base and a foot, and the inside of the sand mixing cylinder is equipped with a There is a rotor reducer and a main shaft, the top of the rotor reducer is provided with a baffle, the baffle is fixedly connected with the inner wall of the sand mixing cylinder, the bottom of the rotor reducer is provided with a rotor, and the rotor is fixedly connected with the rotor reducer, The rotor is provided with a sand stirring rod, and the rotor and the sand stirring rod are fixedly connected. The main shaft is provided with a short scraper, and the bottom of the short scraper is provided with a long scraper. The top of the sand mixing tube is There are air outlet, resin inlet, curing agent inlet and sand inlet. The resin inlet, curing agent inlet and sand inlet are all provided with pipe covers on the top, and the outside of the sand mixing cylinder is provided with a rotor motor. In the present invention, two rotor motors are provided to fully stir the sand, so that the coating is more complete, and the sand mixing efficiency is high and the quality is good.

The invention discloses a water mist cooling control method of high-temperature molding sand. A stroke switch SQ is arranged on a hoisting device on a vibration shakeout machine to be used for being in contact with a hoisting box to trigger, an arc-shaped stainless steel semi-closed cover is made on a conveyor belt to cover the conveyor belt, a plurality of high-pressure atomizing water injectionnozzles are installed on the central axis of the semi-closed stainless steel cover at equal intervals, each high-pressure atomizing water injection nozzle is controlled by a solenoid valve, the time taken form the hoisting box to vibrate sand falling to high temperature sand spreading over the conveyor belt is denoted as t1, when a vibration sand falling device is opened and the hoisting box is started, hoisting box equipment moves to be in contact with the stroke switch to enable the stroke switch close, the solenoid valve is opened again after delaying t1, thus the high-pressure atomizing water injection nozzles work, after working the time t2, the solenoid valve is closed, after waiting for a period of time, that is t3, thehoisting box equipment moves to be in contact with the travel switch again to enable the stroke switch close, and the steps are cycled and repeated in this way.

The invention belongs to the field of petroleum machinery, and in particular relates to a continuous hemispherical sand mixing device for fracturing, which can be applied to the development of unconventional oil and gas (such as shale gas, etc.). Continuous hemispherical sand mixing device for fracturing, including: base, sand mixing chamber, transmission box, upper end cover, main shaft, internal gear, cantilever shaft, transmission gear, characterized in that the base, sand mixing chamber, transmission box , and the upper end cover is fixedly connected in turn. Compared with the traditional open sand mixing device, the present invention realizes the continuous mixing and output of fracturing fluid and sand, and improves the sand mixing efficiency; compared with the Jereh continuous sand mixing device, the blade wear is greatly reduced, and the pressure The mixing of cracking liquid and sand is more uniform, and the overall sand mixing effect is significantly improved.

The invention discloses a water mist cooling control method of high-temperature molding sand. A stroke switch SQ is arranged on a hoisting device on a vibration shakeout machine to be used for being in contact with a hoisting box to trigger, an arc-shaped stainless steel semi-closed cover is made on a conveyor belt to cover the conveyor belt, a plurality of high-pressure atomizing water injectionnozzles are installed on the central axis of the semi-closed stainless steel cover at equal intervals, each high-pressure atomizing water injection nozzle is controlled by a solenoid valve, the time taken form the hoisting box to vibrate sand falling to high temperature sand spreading over the conveyor belt is denoted as t1, when a vibration sand falling device is opened and the hoisting box is started, hoisting box equipment moves to be in contact with the stroke switch to enable the stroke switch close, the solenoid valve is opened again after delaying t1, thus the high-pressure atomizing water injection nozzles work, after working the time t2, the solenoid valve is closed, after waiting for a period of time, that is t3, thehoisting box equipment moves to be in contact with the travel switch again to enable the stroke switch close, and the steps are cycled and repeated in this way.

The invention belongs to the technical field of sand mixing equipment and relates to a continuous clay sand mixer. A new and old sand bin, a bentonite bin and a pulverized coal bin are arranged above a comprehensive charging hole, a moisture detector connected with a PLC control unit in an electric information mode is arranged under the new and old sand bin, and online detection of moisture of new and old sand before sand mixing can be achieved; after a human-machine control interface presets raw material parameters, the PLC control unit is used for analysis and calculation to control operation of a water pump frequency converter, a bentonite spiral feeding frequency converter and a pulverized coal spiral feeding frequency converter, and water, bentonite and pulverized coal are continuously added to a mixing cage in real time in an online and quantified mode; a return bin with a discharging mechanism is arranged under the mixing cage, so that mixed moulding sand is conveyed to the next production link; the mixer is simple in structure, reasonable in design, scientific in principle, simple in operation, high in sand mixing efficiency, good in sand mixing effect and good in finished product performance, the production efficiency is improved, and production cost is lowered.

The invention relates to the technical field of casting equipment, in particular to a novel efficient mixer with an inclined fixed chassis. The novel efficient mixer comprises a rack, the end face ofthe rack is connected to the bottom of an inclined sand mixing chamber, a sand mixing chamber upper cover is connected to a port of the inclined sand mixing chamber through bolts, and a used sand feeding hopper is arranged on the sand mixing chamber upper cover; and an accessory feeding port is formed in the position, on the end face of the sand mixing chamber upper cover, of the right side of theused sand feeding hopper. According to the novel efficient mixer, sand mixing and stirring are conducted through interaction of two sets of sand mixing rotor structures and a scraper blade structure,thus, the effects that the sand mixing efficiency is high and the sand mixing period is short are achieved, meanwhile, the sand mixing chamber is arranged to be inclined, and a molding sand discharging door is formed in the lowest position, so that rapid sand discharging is facilitated, the effects of the short sand discharging time, improvement of the production efficiency and reduction of the energy consumption are achieved, the problems of the low sand mixing efficiency, the long sand mixing period, the long sand discharging time and the high energy consumption of an existing sand mixer are solved, thus, the the applicability is higher, and the existing working requirements can be better met.

The invention discloses a centrifugal sand mixer for mixing sandy soil. The centrifugal sand mixer comprises a fixing base, wherein annular sliding grooves are formed in the upper surface of the fixing base, a groove is formed in the upper surface of the fixing base, a first motor is fixedly connected to the inner bottom wall of the groove, the output end of the first motor is fixedly connected with a gear, a sand mixing barrel is arranged at the top of the fixing base, the bottom surface of the sand mixing barrel is fixedly connected with a tooth ring, the outer surface of the tooth ring is meshed with the outer surface of the gear, the bottom surface of the sand mixing barrel is fixedly hinged to first roller wheels through pin shafts, the first rolling wheels are clamped in the annularsliding grooves, the inner bottom wall of the sand mixing barrel is fixedly connected with a driving box, a second motor is arranged in the driving box, and a rotating rod is fixedly connected to theoutput end of the second motor. The sand mixing machine for mixing the sandy soil has the advantages that the inner side wall can be cleaned after the sand mixing is finished, and the sand mixing efficiency of the sand mixing machine is improved.

The invention relates to foundry machinery, specifically to a sand-casting sand mixer. The sand-casting sand mixer comprises a driving motor, a rotation shaft, a sand-casting device and a runner wheel device. The driving motor is positioned at the bottom of the sand mixer and is connected with the rotation shaft through a shaft coupling. The middle part of the sand mixer is provided with the rotation shaft. The whole body of the sand-casting device is plough-shaped and comprises an elongated plough handle and a base plate. The base plate and the bottom of the plough handle are fixedly connected. The runner wheel device comprises a runner wheel body and sand fluffing rods. One side of the runner wheel body is provided with the sand fluffing rods which uniformly cover one side of the whole runner wheel body. The sand fluffing rods arranged at the edge of one side of the runner wheel body are the shortest. Length of the sand fluffing rods is gradually increasing in the direction towards the central plane of the runner wheel body. The sand-casting device and the runner wheel device are both connected with the rotation shaft through bolts. The sand-casting sand mixer has a simple structure. By effectively integrating a runner wheel and a plough and fully utilizing the space between the runner wheel and the side wall of the sand mixer, rolling, grinding, stirring and turn-over of a material are realized, and sand mixing efficiency of the sand mixer is raised.