16results about How to "Reduce grinding efficiency" patented technology

The utility model discloses a bearing ring end face polishing device which comprises at least two containing groove bodies, a polishing mechanism, at least two abutting mechanisms and a driving mechanism, and containing grooves are formed in the upper surfaces of the containing groove bodies and used for horizontally containing bearing rings. The polishing mechanism is used for polishing the upper end face of the bearing ring. The abutting mechanisms are correspondingly connected with the containing groove bodies and used for abutting against or loosening the bearing rings in the containing groove bodies. The driving mechanism is connected with all the containing groove bodies and used for driving all the containing groove bodies to synchronously rotate in the horizontal plane so that all the containing groove bodies can alternately reach the position under the grinding mechanism. The bearing ring end face polishing device has the advantages that the time consumed for taking and placing bearing rings can be fully utilized, other bearing rings are polished, the polishing efficiency of the end faces of the bearing rings is improved, and batch polishing of the end faces of the bearing rings is facilitated.

This invention discloses a silicon nitride grinding device, relating to the technical field of silicon nitride grinding devices. The device includes a support frame and a collection box. A conical cylinder is fixedly mounted on the upper surface of the support frame, and the collection box is disposed on the lower surface of the support frame. A feed trough is fixedly mounted on the upper surface of the conical cylinder, and a water storage tank is fixedly mounted on the circumferential surface of the conical cylinder. A water spray head is provided on the inner wall of the conical cylinder. A rotating shaft is rotatably mounted on the upper surface of the inner wall of the conical cylinder, and a grinding head is fixedly mounted on the lower surface of the rotating shaft. A grinding disc is fixedly mounted on the inner wall of the conical cylinder. A material unblocking device is also provided inside the conical cylinder. When the feed trough is blocked, it affects the grinding efficiency, potentially causing a decrease in output or production stoppage. Blockage causes material to accumulate in the feed trough, increasing the pressure and stress on the material. If this blockage persists for a long time, it may damage the feed trough.

The present invention relates to the technical field of cement production, and specifically to a cement grinding device for cement production, comprising a body for grinding cement, wherein the bottom of the body is fixedly connected to a supporting leg, and the top of the body is connected to a feed hopper; both sides of the body are fixedly connected to a circulation box, and an outlet groove is provided on the upper side of the circulation box close to one side of the body, and cement clinker is ground by fixed rollers and movable rollers, and the ground cement clinker falls onto a screen plate, and at this time, the screen plate is lifted and lowered back and forth by first hydraulic cylinders on both sides to make the screen plate reciprocate back and forth, and the ground cement clinker is screened out through the screen plate, and unqualified large particles enter the lifting plate of the inner cavity of the circulation box through the first inclined plates and the first docking plates on both sides of the screen plate, so that the ground cement clinker can be screened, so as to avoid all the cement clinker being ground again after grinding, thereby improving work efficiency, reducing the load of the device, and increasing the service life of the device.

The present invention relates to the technical field of steel pipe inner circle grinding, and in particular to a steel pipe inner circle grinding machine, comprising a device frame, a base frame is arranged on the outer side of the device frame, a support plate is installed on the top surface of the base frame, a rotating roller is connected between the support plate and the device frame, a base is connected on the outer side of the rotating roller, a steel pipe body is placed on the base, a clamping piece is movably connected to the outer side of the steel pipe body, a movable table is installed on one side of the base, an adjusting member is movably connected inside the movable table, a gear is connected to the adjusting member, and a side wall plate is also arranged on one side of the device frame. This scheme reduces the possibility of reduced grinding efficiency due to the influence of debris in the steel pipe during long-term grinding, reduces the possibility of the position of the steel pipe being offset during grinding, increases the possibility of the device being able to clean chips during grinding, and performs secondary cleaning after grinding is completed, and also improves the fixing effect of the steel pipe, avoiding position offset while rotating.

The invention discloses a grinding device with an adjusting function for pesticide production, and relates to the technical field of grinding. Comprising a base; the driving part is fixedly connected to the base; the bottom frame is arranged on the base, the bottom frame is rotationally connected with a swing frame, the swing frame is rotationally connected with a first connecting shell, and the first connecting shell is fixedly connected with a rotating shell; the second connecting shell is in spline connection with the telescopic end of the driving part, and the second connecting shell is fixedly connected with a fixed shell; the fixed shell is fixedly connected with a fixed frame; the filter plate is arranged on the fixed frame; and the first rotating shell is fixedly connected to the rotating shell, and the first rotating shell is provided with material guide grooves which are distributed at intervals. According to the ball mill, materials with small particle sizes are collected and separated in advance, so that the ball mill grinds materials with large particle sizes preferentially, the impact force of the balls is utilized to the maximum extent, energy is prevented from being wasted on the materials with the small particle sizes, the impact efficiency of the balls is improved, and the uniformity and high efficiency of the whole grinding process are ensured.

This application provides a method for finely grinding self-produced coke fines, comprising the following steps: Step S1, coke produced from the coking process is screened at least twice to obtain coke fines; Step S2, the coke fines are finely ground using a ball mill to obtain coke fines slurry; Step S3, the coke fines slurry is fed into a hydrocyclone for classification, and the overflow of the hydrocyclone is a fine-grained slurry; Step S4, the fine-grained slurry is concentrated and filtered to produce fine coke fines. This method can develop a high-quality pulverized coal resource for blast furnace injection systems and can be applied to industrial production, solving the problem of imbalance between the production and consumption of self-produced coke fines in steel companies.

The invention relates to the technical field of wafer processing, and particularly discloses a wafer grinding and polishing processing adjusting method based on pressure sensing, and the method comprises the steps: S1, measuring the current initial thickness of a to-be-processed wafer, determining the target thickness of the to-be-processed wafer, and bonding the wafer to a substrate, polishing states of the wafer at different time points can be determined by collecting state parameter data of polishing equipment and the wafer in polishing operation in real time for analysis, when a polishing disc is seriously abraded, the feeding distance of a polishing push rod can be adjusted in real time according to the polishing states of the wafer at different time points, and the polishing efficiency is improved. Therefore, good contact between the polishing disc and the wafer in the whole polishing process is guaranteed, the polishing efficiency and effect are guaranteed, whether the polishing disc needs to be replaced or not can be judged by analyzing the state of the machined wafer, the situation that the polishing disc which is seriously abraded increases the load of polishing equipment is avoided, and the polishing efficiency is improved. And wear and aging of the equipment are accelerated.

The invention relates to the related technical field of carbon production powder grinding, in particular to a convenient-to-clean vertical powder grinding machine which comprises a box body, a driving box fixed to the box body, a powder grinding box arranged on the driving box, a cover body rotating on the powder grinding box and a discharging pipe fixed to the bottom of the powder grinding box. A first liquid inlet and a first liquid outlet are fixed to the box body, a second liquid inlet and a second liquid outlet are fixed to the grinding box, one end of the first liquid inlet is connected with external liquid, and an annular pipe body is arranged in an inner container of the grinding box; a cold source (water) is connected into the annular pipe body, the cold source absorbs heat in the powder grinding box, the absorbed cold source is guided out to the water tank, the cold source is guided into the annular pipe body again through the pump body in the water tank, it is guaranteed that the temperature in the powder grinding box is lowered, and therefore the situation that due to the high temperature, pulverized coal is softened and caked, electrostatic adsorption is increased, and the powder grinding efficiency is improved is reduced. The grinding efficiency is reduced; and the load of equipment is increased.

The utility model relates to the technical field of polishing and shot blasting, and provides a malleable cast iron casting polishing and shot blasting machine which comprises a polishing box, a feeding hopper, a protection assembly, a shot blasting barrel, a supporting plate, a shot discharging barrel and a shot feeding hopper. The shot blasting barrel is rotationally installed in the grinding box through the driving assembly, the lower side of the feeding hopper is located in the shot blasting barrel, a shot outlet is formed in the bottom end of the shot blasting barrel, the supporting plate is fixedly connected to the inner side wall of the shot blasting barrel, a plurality of shot discharging openings are formed in the supporting plate, the shot discharging barrel is obliquely installed on the lower side of the shot discharging opening, and the shot discharging barrel is connected with the grinding box in a penetrating mode. The shot feeding hopper is rotationally and slidably mounted on one side of the shot discharging barrel through the feeding assembly, and an inclined face is arranged on the inner bottom wall of the shot feeding hopper. By means of the technical scheme, the problem that in the prior art, shot on a casting is manually cleaned and collected, and the polishing efficiency of the casting is easily reduced is solved.

The application belongs to the technical field of medicinal plants and traditional Chinese medicine identification, and discloses a device for identifying firecracker flower roots and their adulterants, which comprises a liquid nitrogen ball mill, a DNA extraction kit and a PCR amplifier connected in sequence, the liquid nitrogen ball mill is connected with a variable speed motor, and further comprises a sealing assembly, the sealing assembly comprises a first permanent magnet and a sealing ball, the first permanent magnet and the sealing ball repel each other, the first permanent magnet is slidingly arranged in a first through groove, the sealing ball is slidingly arranged in a wedge-shaped through groove, and is connected with a tension spring, the free end of the tension spring is fixedly connected with the wedge-shaped through groove; the first through groove and the wedge-shaped through groove are both provided with a sliding groove, and the first permanent magnet and the sealing ball are slidingly connected with the sliding grooves respectively; the diameter of the sealing ball is not less than the diameter of the opening of the wedge-shaped through groove; the scheme can adjust the supplement amount of liquid nitrogen according to the change of the rotating speed of the ball mill. The application solves the problem that the existing liquid nitrogen ball mill cannot adjust the supplement amount of liquid nitrogen according to the rotating speed of the ball mill.

The edge polishing mechanism of the circuit board production equipment comprises an operation table, a stand column is installed at the top end of the operation table, a first motor is installed on the outer wall of the stand column, a rotating rod is fixedly connected to one side of the first motor, and a first bevel gear is fixedly connected to one side of the rotating rod; and the first bevel gear is in engaged connection with a second bevel gear. A circuit board is placed on a placing plate, a first motor is operated, a rotating rod is driven to rotate, a first bevel gear is driven to rotate, the first bevel gear is engaged to drive a second bevel gear to rotate, a first screw rod is driven to rotate, an L-shaped rod moves on the surface of the first screw rod in a threaded mode, and the L-shaped rod moves up and down at the top end of a stand column; and a fixing plate is driven to move up and down, so that a limiting plate is driven to move up and down, a circuit board placed on a placing plate is limited and clamped, the stability during grinding is improved, and deviation is avoided.

The utility model discloses a supporting frame for wooden door processing, which comprises a working table and is characterized in that a placing groove is formed in the upper end of the working table, a placing plate is arranged in the placing groove, sleeves are symmetrically arranged at the lower end of the placing plate, threaded columns are movably connected in the sleeves, and connecting shafts are fixedly connected to the upper ends of the threaded columns. The upper end of the connecting shaft is fixedly connected with the placing plate, the end, close to the sleeve, of the threaded column is in threaded connection with a first spiral gear, the first spiral gear is meshed with second spiral gears, a rotating shaft is fixedly connected between the second spiral gears, and one end of the rotating shaft is fixedly connected with an adjusting handle; the wood door polishing device has the advantages that wood doors of different models can be effectively fixed, the wood doors can be polished by adjusting the machine, and the polishing efficiency is improved.

The present application relates to the technical field of tobacco processing, and particularly relates to a tobacco flavor substance extraction device and method. The device comprises an extraction barrel, a grinding assembly, a scraping assembly and a stirring assembly arranged in the extraction barrel. The grinding assembly comprises a grinding disc, a crushing wheel and a driving unit. The grinding disc is fixed in the extraction barrel. The driving unit comprises a motor, a driving gear, a driven gear and a rotating shaft. The motor is installed on the top of the extraction barrel. The scraping assembly comprises a scraper and an elastic force applying structure. The scraper is connected with the rotating shaft through the elastic force applying structure, and the scraper is in contact with the surface of the grinding disc. The stirring assembly comprises a support frame and a stirring member. The support frame is fixed on the lower part of the rotating shaft, and the stirring member is installed on the support frame. The present application solves the problem of low extraction efficiency caused by insufficient crushing and grinding in the prior art, and shortens the extraction time and improves the extraction efficiency per unit time.

The invention discloses an efficient crushing and separating device for hericium erinaceus raw materials, and relates to the technical field of hericium erinaceus processing.The efficient crushing and separating device comprises a crushing cylinder, a feeding port is fixedly connected to the upper surface of the crushing cylinder, and a support is fixedly connected to the lower surface of the crushing cylinder; the outer surface of the material sliding groove is rotationally connected with the material sliding groove; the feeding hole is formed in the upper part of the outer surface of the crushing cylinder; and a shaft rod is rotationally mounted at the top of the crushing assembly. According to the efficient crushing and separating device for the hericium erinaceus raw materials, when the hericium erinaceus raw materials slide in the crushing disc, friction is generated between the hericium erinaceus raw materials and the side blocks, the rolling shafts are driven to rotate on the surfaces of the inner clamping blocks, meanwhile, the hericium erinaceus raw materials make contact with the barreling pieces during sliding, and due to the fact that the barreling pieces are connected through the connecting pipes which are made of flexible materials, the grinding efficiency is improved; when the connecting pipe is in contact with the hericium erinaceus raw materials, the connecting pipe swings to be in contact with the surface of the crushing disc and generate friction with the surface of the crushing disc, and the hericium erinaceus raw materials attached to the surface of the crushing disc are knocked off.

The oilstone clamp convenient to replace comprises a double-head grab handle, the upper side and the lower side of the double-head grab handle are each provided with an installation groove, and the two sides in each installation groove are each connected with a clamping plate through a spring. The oilstone clamp has the advantages that on one hand, the upper side and the lower side of the double-head grab handle are each provided with one installation groove, the two ends of the double-head grab handle are each fixedly provided with one rubber ring, two oilstone blocks can be installed at the same time when the oilstone clamp is used, and the continuous use time of the oilstone clamp in the polishing process is effectively prolonged; on the other hand, a limiting tooth groove is formed in the oilstone block, and a limiting rack, a spring and a clamping plate are arranged in a mounting groove, so that the oilstone block can be prevented from sliding relative to the double-head grab handle in the using process under the cooperation of the limiting tooth groove and the limiting rack when the oilstone block is used; and the grinding efficiency of the oilstone block on the mold is improved.

The present invention belongs to the technical field of ball mills, and specifically is an adjustable ball mill for producing metallic pigments, comprising a cylinder; a support frame is installed at the bottom of the cylinder; a feed end cover is installed at the left end of the cylinder; a feed device is installed on the feed end cover; the cylinder is driven by a rotating device; an inner lining plate arranged evenly is installed on the inner ring surface of the cylinder by bolts; a plurality of grinding balls of different sizes are placed in the cylinder; an adjusting device is installed on the right side of the cylinder; the adjusting device comprises a mounting frame; the mounting frame is fixedly mounted on the support frame; a circular groove is opened on the top of the mounting frame; a discharge pipe is slidably connected in the circular groove, and the discharge pipe can slide back and forth in the circular groove; a discharge stopper is provided on one side of the discharge pipe extending to the cylinder; a cover is slidably provided on the right side of the discharge stopper in the cylinder; the present invention can adjust the grinding space inside the cylinder by arranging the adjusting device, thereby adjusting the grinding amount of the raw material.