559 results about "Millstone" patented technology

The present invention discloses a vertical ring die biomass pellet machine, including a frame, the frame is welded by a bottom plate and a top plate, the left side of the top of the bottom plate of the frame is fixedly connected with a mounting seat through a column, a grinding disc is arranged on the top of the mounting seat, and a ring die mechanism is also installed on the top of the mounting seat. The present invention is provided with a ring die mechanism, which is composed of a plurality of ring die parts, and the ring die mechanism is provided with two groups of granulation hole groups. In production, if the granulation hole group below is damaged, the ring die mechanism can be flipped by using a lifting mechanism and a flipping mechanism, and the granulation hole group originally at the top is flipped to the bottom, and the staff does not need to manually replace the ring die mechanism, thereby ensuring the continuous production. If there is damage on a certain ring die part, the traditional method is to replace the entire ring-shaped ring die mechanism, while the present invention only needs to replace the ring die part, thereby saving resources and avoiding waste.

The utility model relates to the technical field of millstones, in particular to a cubic boron nitride millstone with a discharging structure, which comprises an operating table, a bearing table is fixedly connected to the surface of the operating table, a lower millstone is fixedly connected to the inner bottom surface of the bearing table, and an upper millstone is rotatably connected to the surface of the lower millstone. A scraping plate is arranged on the surface of the upper grinding disc, a T-shaped block is fixedly connected to the surface of the scraping plate, a T-shaped groove is formed in the surface of the upper grinding disc, the T-shaped block is slidably connected to the interior of the T-shaped groove, a first magnet is fixedly connected to the interior of the T-shaped groove, and the first magnet is connected with the T-shaped block in an adsorption mode. According to the grinding device, powdery materials falling into the bearing table in the grinding process are automatically scraped, the work of manually cleaning the materials in the bearing table is avoided, the convenience and rapidness of cleaning the materials are improved, the grinding work efficiency is improved, the first magnet is arranged, and the grinding efficiency is improved. And the firmness of connection between the scraper and the upper millstone can be improved.

The utility model discloses a device for reducing over-grinding of materials of a mining roller type comminutor, which belongs to the field of ore crushing and grinding processing and comprises a basic retaining ring component fixedly connected to the edge of a rotary millstone, and the basic retaining ring component and the rotary millstone are relatively static; the auxiliary material blocking ring assembly is fixedly connected to the inner wall of the middle shell, and the auxiliary material blocking ring assembly is arranged above the basic material blocking ring assembly; the auxiliary retaining ring assembly and the rotary grinding disc rotate relatively; the two auxiliary material blocking ring assemblies respectively extend to the far end of the rotary millstone along the near end of the grinding roller; a discharging opening is formed between the two auxiliary material blocking ring assemblies, and the discharging opening facilitates discharging of ground materials; according to the utility model, through the dynamic and static combined design of the double-layer retaining ring, and meanwhile, the notch is formed in the static retaining ring, so that materials which are not ground are blocked and conveyed to the grinding roller for grinding, and all the ground materials are discharged and sorted, and the problems of repeated grinding and excessive grinding of the materials are reduced.

The invention relates to the field of polishing equipment, in particular to sheet metal polishing equipment which comprises a conveying belt, the conveying belt is used for conveying sheet metal parts, and the polishing faces of the sheet metal parts face upwards; the lifting carrying frame is arranged above the conveying belt in a crossing manner; a front row of millstones and a rear row of millstones are arranged below the lifting carrying frame in a staggered manner, so that the two rows of millstones transversely cover the surface of the conveying belt; the front row and the rear row of pressing rod assemblies are rotationally connected with the lifting carrying frame. The grinding discs are connected to the bottom ends of the pressing rod assemblies one by one through universal joints. The two rows of grinding discs which are transversely distributed in a staggered mode are arranged to transversely cover the surface of the sheet metal part, the angle of the grinding discs is dynamically adjusted through the universal joints according to the surface of the sheet metal part so that the grinding discs can be flatly attached to the sheet metal part, and the grinding discs can rotate and polish the sheet metal part evenly; and polishing dead angles are reduced to the maximum extent.

The utility model discloses a high-speed colloid grinder for crushing Chinese wolfberry fruits, and relates to the technical field of food grinding. The grinding machine comprises a hopper, a static grinding disc, a movable grinding disc, a rack table and a containing base, and further comprises a cooling system for cooling the static grinding disc and the movable grinding disc. The containing base is fixedly installed on the upper layer of the rack table, and the static grinding disc is installed on the top of the containing base. The movable grinding disc penetrates through the bottom of the containing base and is rotationally installed with the containing base, and a grinding gap is formed between the movable grinding disc and the static grinding disc. When water in the water cooling barrel is sprayed out through the hard water spraying pipe and the water spraying holes through the water pump, the water can be sprayed to the inner wall of the cooling hole, the cooling hole is formed in the movable millstone, therefore, the movable millstone is cooled, meanwhile, after being cooled, the water flows into the water cooling barrel again along with gravity, and complete cooling and circulation are achieved; the problem of how to design a cooling mode and a circulating mode on a rotating object is solved.

The utility model provides colloid mill equipment, and relates to the technical field of biological tissue material crushing. The colloid mill equipment comprises a colloid mill shell, a static millstone, a movable millstone, a driving mechanism and a liquid flow pipe; the static millstone and the movable millstone are arranged in the colloid mill shell; a gap is formed between the movable millstone and the static millstone to form a milling cavity, the movable millstone is provided with a mounting channel, and a first cooling channel is formed in the movable millstone; the driving mechanism comprises a rotating shaft and a driving assembly, the rotating shaft penetrates through the bottom of the colloid mill shell and is fixed to the mounting channel, the driving assembly is arranged on the side edge of the rotating shaft, the rotating shaft is provided with a through channel in the axial direction, and the side wall of the through channel is provided with a liquid outlet communicating with the first cooling channel; the liquid flow pipe is configured to be used for supplying cooling liquid to the first cooling channel, the liquid flow pipe is rotatably connected with the through channel in a sealed mode, and the side wall of the rotating shaft is provided with a liquid discharging opening communicating with the first cooling channel and the through channel so that the cooling liquid in the first cooling channel can be discharged. The cooling device has a good cooling effect.

The invention relates to a crushing and grinding process and device for preparing meal replacement food, and belongs to the technical field of food grinding, and the crushing and grinding device for preparing the meal replacement food comprises a grinding tank, a grinding mechanism, a rolling brush mechanism, a cutting and conveying mechanism and a knocking mechanism. Through cooperative use of the rolling brush mechanism and the grinding mechanism, when a rotating grinding disc in the grinding mechanism rotates to grind food raw materials, the rolling brush mechanism can be driven to work, a first spiral brush rotates while rotating, and a second spiral brush can be driven to rotate; the first spiral brush is used for rolling and brushing powdery food raw materials adhered to the gap between the rotating millstone and the bottom millstone, and the second spiral brush is used for rolling and brushing powdery food raw materials adhered to the gap between the rotating millstone and the top millstone, so that accumulation and adhesion of the powdery food raw materials are avoided, and the grinding efficiency is ensured; and the situation that subsequent raw material grinding is polluted due to adhesion of the powdery food raw materials is prevented, and the quality of the prepared meal replacement food is guaranteed.

The utility model relates to the technical field of roller grinding equipment, in particular to high-precision roller grinding equipment which comprises a bottom plate, a lower fixing seat is arranged in the middle of the top face of the bottom plate, a first fixing bolt is arranged on the outer wall of the lower fixing seat, and a roller body is installed on the upper side of the lower fixing seat. A vertical plate is arranged on the rear side of the top face of the bottom plate, an air cylinder is installed in the middle of the back face of the vertical plate, a millstone strip is arranged on the front face of the vertical plate, and a first motor is installed in the middle of the bottom of the bottom plate. A roller body can be fixed between a bottom plate and a top plate through a lower fixing base, a first fixing bolt, a first motor, an upper fixing base and a second fixing bolt, the roller body can be driven to rotate, and an air cylinder can push a millstone strip to be tightly attached to the surface of the roller body. And therefore, the roller body can be ground by adjusting the position of the grinding stone strip, and roller bodies with different thicknesses can be ground conveniently.

The utility model discloses a stone mill flour grading sieving device which comprises a sieving box, the upper side wall and the right side wall of the sieving box are not covered, opposite horizontal inserting grooves are formed in the front inner wall and the rear inner wall of the sieving box, a plurality of sets of inserting grooves are evenly formed in the vertical direction of the sieving box, the right ends of the inserting grooves extend out of the sieving box, and the right ends of the inserting grooves extend out of the sieving box. And a screen is inserted in front of the front and back opposite inserting grooves, a telescopic rod is arranged at the bottom of the screening box, a spring is arranged in the telescopic rod, a vibration motor is arranged on the side wall of the screening box, and a detachable baffle is arranged on the right side of the screening box. The discharging device is convenient to discharge and clean.

The invention discloses a construction method of a large-volume cast-in-place terrazzo ground structure of a leaf-shaped partition area, which comprises the following steps: carrying out three-dimensional modeling on a to-be-poured terrazzo ground, segmenting a construction unit and a construction area, and dividing and encircling leaf-shaped partition strips; manufacturing a corresponding template according to the shape of the partition strip intercepted in each construction area; partition strips are installed on the outer side of the formwork along an outer frame of the formwork; in this way, each floor, in particular a terrazzo floor, is constructed. According to the method, after BIM modeling, the large-size cast-in-place terrazzo ground is subjected to unitized labor division and then partitioned, so that the large-size ground can be subjected to sheet construction; in addition, the construction area is arranged, so that the leaf-shaped area can be separated, the formworks can be manufactured in batches, and splicing arrangement and rapid construction of field partition strips are facilitated; by arranging the parting seams on the millstone ground, the extension reserve of ground deformation in the later period can be guaranteed; in addition, through the arrangement of the cutting strips, it is guaranteed that different types of grounds are connected.

The utility model relates to the technical field of cement stone powder processing, in particular to a cement stone powder production device. According to the technical scheme, the device comprises a grinding box, a control box and a crushing box, the crushing box is embedded in the left end of the top of the grinding box, a feeding hopper is installed at the top of the crushing box, two crushing rollers are longitudinally and rotationally installed in the crushing box side by side, and crushing teeth are evenly installed on the two crushing rollers in a staggered mode; two crushing roller rotating shafts penetrate through the rear side of the crushing box and are provided with gears, the two gears are meshed and linked, a grinding base is installed at the bottom end in the grinding box, second grinding teeth are evenly installed on the upper surface of the grinding base, a grinding barrel is rotatably installed in the grinding box, first grinding teeth are evenly installed on the surface of the grinding barrel, and the first grinding teeth and the second grinding teeth are designed in a staggered mode; and a discharging opening is formed in the right end of the bottom of the grinding box, and a discharging nozzle is installed at the discharging opening. According to the utility model, cement stone powder raw materials are crushed into fine particles to enter the grinding cylinder for grinding, the grinding is smooth, and the grinding efficiency and effect are improved.

The utility model relates to the field of coffee bean processing equipment, in particular to a bean grinder and a motor mounting frame. The motor mounting rack comprises an inner supporting ring, the inner side wall of the inner supporting ring is provided with a positioning block, the positioning block is provided with a mounting disc used for mounting a motor assembly, and a space is reserved between the mounting disc and the inner supporting ring. The mounting disc is arranged on the inner supporting ring through the positioning blocks, so that a space is reserved between the mounting disc and the inner supporting ring, and an extension piece of a lifting rod of the bean grinder can penetrate through the space. As the extension sheet can abut against the positioning block in the rotating direction, and the positioning block can limit the lifting rod to prevent the lifting rod from rotating, when the adjusting knob is rotated, the lifting rod can rotate relative to the adjusting gear and ascend and descend under the action of threads, the movable grinding disc moving along with the lifting rod is controlled to ascend and descend, and the gap between the movable grinding disc and the fixed grinding disc is adjusted; and the thickness of discharged powder can be adjusted. In the process, the positions of the motor mounting rack and the motor do not need to be moved.

The utility model relates to a grinding device, in particular to a raw material cold grinding device for flour processing. Comprising a shell, a feeding hopper, a rotating motor, a discharging pipe, a radiator, a condensation pipe, a water pump, a lower grinding disc, a scraper, an upper grinding disc and a supporting frame, the shell is arranged on the outer wall of the supporting frame, the radiator is arranged on the left side of the top end of the shell, the rotating motor is arranged at the bottom end of the supporting frame, and the discharging pipe is arranged on the front side of the bottom end of the supporting frame; an upper millstone matched with the lower millstone is arranged on the upper portion in the shell, a feeding hopper is arranged in the middle of the top end of the shell, a condensation pipe is arranged at the top end of the upper millstone, and a water pump is arranged on the left side of the top end of the upper millstone. The cooling system is composed of the water pump, the radiator and the condensation pipe, the water pump is pressurized to enable water flow to circularly flow in the pipeline, the water flow absorbs heat on the millstone, and then the heat is discharged through the radiator.

The invention discloses an energy-saving and efficient vertical mill, and belongs to the technical field of grinding and pulverizing equipment. The vertical mill comprises a base, a round chassis, a cylindrical shell and the like, wherein a lower cylinder, a millstone, an upper cylinder, a circular ring partition plate and the like are arranged in the cylindrical shell. The millstone is in a circular groove shape and driven by a millstone motor, the included angle between the generatrix of the inner side wall face of the grinding ring and the horizontal plane is 45-75 degrees, the lower end of the center line of the roller shaft inclines towards the rotating direction of the millstone, and materials can be efficiently ground. According to the equipment, material sorting and conveying are achieved through an annular air inlet channel, a cage type separator and the like, the annular air inlet channel is provided with a coarse slag scraping plate and a coarse slag outlet, and the cage type separator is matched with a fine powder discharging bin and a fine powder discharging pipe to complete coarse powder and fine powder separation. In addition, an elastic mechanism is arranged for mounting the grinding roller, so that equipment vibration is reduced. The vertical mill is high in grinding efficiency, remarkable in energy conservation, dual-purpose, good in stability, convenient to operate and capable of meeting the grinding and pulverizing requirements of various materials and effectively solving many problems existing in a traditional vertical mill.

The invention belongs to the technical field of grinding processing equipment, and particularly relates to a modified emulsified asphalt production mill which is characterized in that a plurality of layers of grinding teeth I are distributed on a rotor millstone, and a plurality of layers of grinding teeth II are distributed on a stator millstone. A first tooth surface on the first grinding tooth is a multi-step tooth surface, each step tooth surface of the first tooth surface obliquely extends from one side of the top of the first grinding tooth to one side of the root of the first grinding tooth, and the included angle between the extending direction of each step tooth surface and the axial direction is gradually reduced. A second tooth surface on the second grinding tooth is also a multi-step tooth surface, each step of tooth surface of the second tooth surface obliquely extends from one side of the top of the second grinding tooth to one side of the root of the second grinding tooth, and the included angle between the extending direction of each step of tooth surface and the axial direction is gradually increased. By changing the tooth surface structure of the grinding teeth, the walking path and the flowing direction of materials among the grinding teeth can be changed, the path length and the shearing frequency are increased, and the comprehensive quality of products such as grinding fineness and emulsifying effect can be improved.

According to the kitchen garbage treatment device, the shell, the treatment barrel, the movable grinding disc, the bearing grinding disc, the screw rod and the driving part are arranged, the screw rod is rotationally assembled in the treatment barrel, the bearing grinding disc is arranged in the treatment barrel, the movable grinding disc is located above the bearing grinding disc and provided with a threaded hole, and the threaded hole is formed in the bearing grinding disc. The movable millstone is in threaded connection fit with the screw rod through the threaded hole, and the driving component is in driving connection with the screw rod so as to drive the screw rod to rotate and further drive the movable millstone to move. When the movable millstone descends, the movable millstone directly extrudes the kitchen garbage, extracts liquid such as water and grease, continuously crushes and grinds the kitchen garbage, and has the advantages of being simple in mechanical structure arrangement, easy and convenient to operate and high in treatment efficiency.

The invention discloses a device and a method for grinding and polishing microspheres under the assistance of an ultrasonic energy field, the device comprises an upper millstone component and a lower millstone component, and a to-be-processed sphere is arranged between an upper millstone of the upper millstone component and a lower millstone of the lower millstone component; the upper millstone assembly comprises a transmission assembly, a bearing assembly, a second connecting assembly, a spring assembly and an upper millstone which are sequentially connected, and the second connecting assembly can generate axial ultrasonic vibration. A rigid connecting piece in an existing device is replaced with the second connecting assembly capable of generating ultrasonic vibration, so that axial ultrasonic vibration is introduced, and radial ultrasonic vibration is further introduced through the radial ultrasonic assembly; the ultrasonic energy field is used for assisting in machining, so that the surfaces of the tiny balls with small sizes are rapidly and slightly removed, the rotation angle of the tiny balls is increased, the enveloping degree of a grinding track is higher, and higher roundness and surface quality are obtained.

The utility model relates to the technical field of food processing equipment, in particular to a pulping device. Comprising a slurry collecting box, a static millstone, a movable millstone, a hopper, a driving device and the like, a support is connected to the inner wall of the upper side of the slurry collecting box, the static millstone is hung below the support, and the movable millstone is rotationally arranged on the inner wall of the lower side of the slurry collecting box; the upper end of the movable millstone is inserted into the inner concave surface of the static millstone, the top surface is a plane, the two sides are inclined surfaces, and the inclination is greater than that of the inclined surfaces on the two sides of the static millstone; the plane of the bottom surface of the movable millstone and the plane of the top surface of the static millstone form a coarse grinding chamber, the inclined surface of the movable millstone and the curved surface of the static millstone form a buffer chamber, the inclined surface of the movable millstone and the inclined surface of the static millstone form a fine grinding chamber, and the volume of the buffer chamber is 1.5 times that of the coarse grinding chamber; an elastic piece is arranged between the slurry collecting box and the static millstone, the hopper is inserted into the slurry collecting box, the driving device is arranged below the slurry collecting box, and the side wall of the slurry collecting box is communicated with a slurry discharging pipe. The soybean milk grinder can realize multi-section grinding, and can effectively improve the nutritional value and taste of soybean milk.

The invention discloses grinding equipment and technology for separation and purification of nano mineral halloysite, and relates to the technical field of halloysite grinding, the grinding equipment comprises a base, a lower grinding disc is arranged above the base, an upper grinding disc is arranged above the lower grinding disc, the upper grinding disc is fixedly connected with a plurality of crushing edges, and the crushing edges are arranged on the base. The diameters of the edges of the upper millstone and the lower millstone are gradually reduced from top to bottom, and the diameters of the edges of the upper millstone and the lower millstone are gradually reduced; the distance between the lower millstone and the upper millstone is changed, so that a gap in the edge of the grinding cavity is changed, the effect of adjusting the granularity of the ground halloysite can be achieved, and material blocking is avoided on the basis that the distance between the upper millstone and the lower millstone is convenient to adjust; after the lower millstone descends below the upper millstone, the upper millstone and the lower millstone can be conveniently overhauled and maintained, and a gap between the upper millstone and the lower millstone can be conveniently cleaned.

The utility model discloses a vertical mill speed reducer and a bevel gear of a driving system, and relates to the technical field related to vertical mills. The grinding disc comprises a grinding disc body, a fixing base, a transmission assembly and a synchronous motor, a conical gear ring is fixed to the peripheral side of the grinding disc body, the fixing base is arranged below the conical gear ring, rotating plates are rotationally connected to the two sides of the fixing base and the end, away from the grinding disc body, of the fixing base, and the transmission assembly is arranged at the top of the fixing base; a synchronous motor is arranged on the side, away from the millstone center, of the fixing base. Through the arrangement of the millstone main body, the fixed seat, the transmission assembly and the synchronous motor, the problems that the operation difficulty of hoisting, transportation, maintenance, spatial arrangement and the like of speed reducer equipment matched with the vertical mill is large, and the power loss of the motor is large due to the fact that a plurality of transmission structures are adopted for transmission are solved; the speed reducer has the advantages that the speed reducer matched with the vertical mill is smaller in occupied space, more convenient to transport, maintain and the like, simple in structure and smaller in motor power loss.

The invention discloses a colored dry-mixed inorganic millstone and a construction method thereof in a wall surface and a terrace, and belongs to the technical field of millstones, the colored dry-mixed inorganic millstone comprises the following components by mass: 20-40 parts of white Portland cement, 30-60 parts of fine sand, 5-25 parts of aggregate, 4-16 parts of modified wollastonite fiber, 2-15 parts of glass, 0.1-10 parts of a colored pigment, 0.1-10 parts of an inorganic toner, and 1-6 parts of a water reducer; the colored dry-mixed inorganic millstone disclosed by the invention has excellent wear resistance and fracture resistance, can bear friction with high human traffic and can bear a large amount of load without obvious deformation or damage, so that the stability and safety of a building structure are ensured, and the service life of the building structure is prolonged. The material can be widely applied to floor and wall paving materials in high people flow areas such as commercial spaces, airports and railway stations.

The present invention provides a rice noodle processing grinding disc and a processing device thereof, wherein the processing grinding disc comprises a base, an upper grinding disc, a lower grinding disc assembly, a mounting shaft, a cam and a limiting mechanism, wherein the lower grinding disc in the lower grinding disc assembly is arranged on the base, a rubbing plate is movably mounted on the lower grinding disc, the upper grinding disc is movably mounted on the mounting shaft and can rotate with the mounting shaft, a cam is fixedly sleeved on the bottom of the mounting shaft, wherein the cam is located at the center of the lower grinding disc and contacts with part of the rubbing plate, and the limiting mechanism is used to limit the spacing between the upper grinding disc and the lower grinding disc. The upper grinding disc is driven to rotate by the mounting shaft to achieve a grinding effect, and the rubbing plate is driven to rub the rice noodles back and forth during the rotation of the mounting shaft, and the gap between the upper grinding disc and the lower grinding disc is changed by the limiting mechanism, thereby effectively increasing the grinding effect.

The invention relates to the technical field of crushing devices, in particular to a front-end decoction piece crushing device for processing brewing traditional Chinese medicine superfine powder. Comprising a bottom frame, the upper side of the bottom frame is fixedly connected with a mounting seat, the upper side of the mounting seat is fixedly connected with a containing tank, and the upper side of the containing tank is fixedly connected and communicated with a discharging part; and the fan-shaped protection pieces are fixedly connected into the containing tank, the fan-shaped protection pieces are connected with Y-shaped frames in a sliding mode, the Y-shaped frames are rotationally connected with connecting rods, and the connecting rods are fixedly connected with pressing rollers. By changing the crushing position and improving the millstone structure, the large-particle-size mineral traditional Chinese medicine is limited by the limiting part on the millstone when falling into the millstone, and the grinding rollers, the millstone and the limiting part can extrude the mineral traditional Chinese medicine at the same time, so that the large-particle-size mineral traditional Chinese medicine is kept relatively static in the crushing process; and it is ensured that when large-particle-size mineral traditional Chinese medicine is crushed, materials cannot move at will, and the materials can be effectively crushed in the first time.

A grinding disc set comprises a movable grinding disc and a fixed grinding disc which can rotate relatively. The fixed millstone is mounted above the movable millstone, and an adjustable grinding gap exists between the movable millstone and the fixed millstone; a cover plate for suspending the fixed millstone is arranged on the fixed millstone, and an adjusting assembly for adjusting the height of the fixed millstone is arranged on the cover plate; a water cooling flow path for performing constant-temperature control on the movable millstone is formed on the movable millstone, and a water flow divider for supplying water and discharging water to the water cooling flow path is mounted at the bottom of the movable millstone; compared with the prior art, the fixed millstone is installed on the movable millstone, rotation control is conducted on the movable millstone, and height control is conducted on the fixed millstone, so that a grinding gap always exists between the fixed millstone and the movable millstone, and the fixed millstone and the movable millstone are only in contact with materials in the relative rotation process; mutual abrasion between the fixed millstone and the movable millstone is reduced, abrasion loss of the fixed millstone and the movable millstone is reduced, and heat production of the fixed millstone and the movable millstone is also reduced.

The utility model discloses a ceramic bottom grinding machine convenient to clean dust, which comprises a working table, the working table is of a round table structure, round grooves are formed in the upper end of the working table at equal intervals, connecting nets are arranged in the round grooves of the working table, the bottom end of the working table is connected with a motor through a frame body, and the output end of the motor penetrates through the working table; a millstone is arranged at the output end of the motor; and the collecting boxes are symmetrically installed at the upper end of the workbench, limiting frames are connected to the middles of the upper ends of the collecting boxes in a clamped mode, and sweeping strips are slidably connected to the interiors of the limiting frames. According to the ceramic bottom grinding machine facilitating dust cleaning, a storage box arranged at the top end of the collecting box is matched with a spraying pipe to be in linkage with a blowing and sucking air pump, so that air generated by the blowing and sucking air pump is pushed to the surface of a grinding disc along with the inclined surface of the spraying pipe, and after the grinding disc is cleaned by a cleaning strip, the surface of the grinding disc is further cleaned through further blowing of the spraying pipe; the cleaning effect on the surface of the millstone is improved.

The utility model provides a dual-purpose semi-automatic tool sharpener which comprises a frame, an abrasive belt grinding mechanism, a millstone grinding mechanism and a water tank are installed on the frame, a driving shaft and a tensioning shaft are arranged on the frame in parallel, a grinding abrasive belt is wound on the driving shaft and the tensioning shaft, one side of the driving shaft extends outwards and is provided with a driven chain wheel, and the other side of the driving shaft is provided with a driven chain wheel. A motor is installed on the frame, a driving chain wheel is installed on an output shaft of the motor, the driving chain wheel and a driven chain wheel are in transmission through a chain, the millstone polishing mechanism is installed on the side face of the frame, a sliding groove is fixedly formed in the position, on one side of the chain wheel, of the frame, and a sliding block is installed in the sliding groove and protrudes out of a strip-shaped hole to form a protruding shaft. An eccentric shaft is arranged on the outer side face of the driven chain wheel, and a driving rod is installed between the eccentric shaft and the protruding shaft. According to the dual-purpose semi-automatic tool sharpener, an abrasive belt grinding system and a grinding stone grinding system are integrated, the water tank is arranged in the dual-purpose semi-automatic tool sharpener to achieve wet grinding, the tool sharpening efficiency is remarkably improved, and a blade is protected.

The utility model relates to the technical field of millet processing, and provides a milling device for millet processing and production, which comprises a tank body, a first grinding disc is rotatably arranged at the upper part in the tank body, the first grinding disc is in a circular truncated cone shape, and one end with smaller diameter is positioned at the lower end; the first grinding disc sleeves the periphery of the lower side of the first grinding disc; the smaller-diameter end of the second grinding disc is fixedly arranged at the lower end of the first grinding disc; the second grinding disc is arranged in the tank body and sleeves the periphery of the upper side of the second grinding disc, and the second grinding disc is communicated with the first grinding disc; the third grinding disc is arranged at the lower end of the second grinding disc; a discharging pipe is arranged in the middle of the lower end of the third grinding disc; the filter screen is funnel-shaped and is positioned below the second millstone, and millet residues on the filter screen slide into the third millstone from the filter screen. By means of the technical scheme, the problems that according to an existing powder grinding device, regrinding treatment on raw materials which are not fully ground is tedious, and the grinding efficiency is low are solved.

The utility model discloses a millstone for a grain moisture test crushing mill in the field of crushing equipment, which comprises a static millstone and a movable millstone, a plurality of gear rings which are of concentric circle structures and can be meshed with each other are respectively arranged on the opposite surfaces of the static millstone and the movable millstone, and a plurality of large gear rings close to the inside are wider and higher than a plurality of small gear rings close to the outside. And a plurality of material guide grooves which penetrate through all the gear rings and divide the gear rings into a plurality of gear blocks are further formed in the opposite surfaces of the static grinding disc and the movable grinding disc. The gear rings and the material guide grooves are arranged on the static grinding disc and the movable grinding disc, materials move outwards along the material guide grooves and gaps among the teeth in the grinding process and are ground by the tooth blocks when passing through the connecting portions of the adjacent gear rings, meanwhile, due to the fact that the gaps of the large gear rings on the inner side are large, large particles are crushed firstly, the gaps of the small gear rings on the outer side are small, and then the particles are ground into powder, and the grinding efficiency is greatly improved. And the powder fineness is ensured, the high powder discharging efficiency is achieved, the problem that the temperature rise is too large due to too fast grinding can be avoided, and the moisture loss in the grinding process is reduced.

The utility model provides seamless millstone terrace anti-fragmentation construction equipment which comprises a vibration uniform-tamping device, the upper end of the vibration uniform-tamping device is installed on a damping supporting frame through a fixing bolt, a terrace leveling device is arranged on the outer side of the vibration uniform-tamping device, the vibration uniform-tamping device comprises a plurality of vibration uniform-tamping plates, and the vibration uniform-tamping plates are arranged on the upper portion of the vibration uniform-tamping device. The vibration uniform-tamping plate is mounted on the uniform-tamping plate mounting frame through fixing screws, a frame mounting fixing plate is arranged at the upper end of the uniform-tamping plate mounting frame, the frame mounting fixing plate is mounted on the damping supporting frame through fixing screws, and a uniform-tamping vibration source is arranged on the uniform-tamping plate mounting frame; according to the utility model, uniform pavement of the seamless terrazzo terrace can be realized, the whole terrace is uniform, the terrace is prevented from cracking, the terrace can be leveled, and the construction quality is ensured.

The utility model relates to the technical field of electric cooker inner container machining, in particular to an electric cooker inner container trimming device which comprises a trimming table and a pressing assembly, the middle of the trimming table is fixedly connected with a containing assembly, the pressing assembly is installed above the trimming table, and one side of the upper surface of the trimming table is fixedly connected with an edge grinding assembly. The edge grinding assembly comprises a supporting column, the top end of the supporting column is rotationally connected with an adjusting plate through a connecting base, one side of the top end of the adjusting plate is fixedly connected with a supporting box, a movable groove is formed in the middle of the supporting box, the inner side of the movable groove is rotationally connected with a grinding disc with a shaft, and the inner side of the grinding disc with the shaft is fixedly connected with a driven gear. The inner side of the supporting box is fixedly connected with an anti-impact power assembly. The impact-resistant power assembly comprises a mounting plate, the impact force generated in the cutting-in and cutting-out process of the millstone is effectively absorbed or weakened, the operation stability of the millstone is guaranteed, and the problem of the quality of an inner container of an electric cooker caused by vibration is avoided.