331 results about "Millstone" patented technology

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 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 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 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.

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.

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 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.

The utility model belongs to the field of stone mill ultra-cylinders, and particularly relates to a stone mill ultra-cylinder for producing ground sesame seed oil, which comprises an ultra-cylinder body, a stone mill disc is mounted in the ultra-cylinder body, a discharge port is mounted on one side of the ultra-cylinder body, an annular spray pipe is mounted on the inner wall of the ultra-cylinder body, and a plurality of spray heads are mounted on the spray pipe. A rotating ring is rotatably mounted at the top of the super barrel body, a connecting seat is fixedly mounted at the top of the rotating ring, a connecting rod is fixedly mounted on one side of the connecting seat, a sliding sleeve movably sleeves the connecting rod, a locking mechanism is arranged between the sliding sleeve and the connecting rod, and a vertical rod is fixedly mounted at the bottom of the sliding sleeve. The cleaning device is reasonable in design, water can be sprayed to the gap between the super cylinder body and the stone mill disc through the spray head of the spray pipe, meanwhile, the U-shaped brush plate can rotate in the gap between the super cylinder body and the stone mill disc, and the purpose of automatically cleaning the super cylinder body can be achieved.

The utility model relates to a distributor mechanism of a vertical flour mill, which comprises a material receiving conical hopper mounted on the upper side of a millstone of the vertical flour mill, a blanking pipe is mounted at the lower end of the material receiving conical hopper, and at least three vertical fixing rods are mounted on the outer wall of the blanking pipe at intervals along the circumferential direction. Scraping plates matched with the vertical fixing rods to form an inverted T shape are fixed to the lower ends of the vertical fixing rods. The distributing device is favorable for better scraping materials into the grinding roller, uniform distribution is realized, and the material scraping effect is good.

The utility model provides a double-disc pulping machine, and relates to the field of papermaking pulping equipment. An adjusting box is installed in the middle of the upper end face of the base, shell covers are fixedly installed on the left side face and the right side face of the adjusting box correspondingly, driving motors are fixedly installed on the left side and the right side of the upper end face of the base correspondingly, and main grinding discs are fixedly installed at the opposite ends of rotating shafts of the two driving motors correspondingly. Through cooperation of an anti-loosening gear and an anti-loosening mechanism, after the distance between the two fixed millstones is adjusted, the two-way lead screw can be effectively prevented from loosening, the stability of the two fixed millstones during grinding is prevented from being affected, and therefore the raw material grinding quality is improved; the problems that in the actual using process of an existing double-disc pulping machine, an adjusted two-way lead screw is prone to loosening under the action of vibration force, then the stability of two fixed grinding discs during grinding is affected, and therefore the grinding quality of raw materials is affected are solved.

The utility model relates to the technical field of millstones, and discloses a millstone for grain processing, which solves the problems in the background technology, and comprises a material receiving disc, a material outlet is arranged on the material receiving disc, a lower millstone is arranged on the material receiving disc, an upper millstone is arranged on the lower millstone, an air duct is arranged in the upper millstone, and the air duct is communicated with the material receiving disc. Cooling fins are arranged on the upper millstone, a fixing support is arranged above the upper millstone, the bottoms of the two sides of the fixing support are connected to material receiving discs respectively, a rotating motor is arranged at the bottom of the horizontal part of the fixing support, the output end of the rotating motor is connected with the upper millstone through a connecting piece, and a feeding port is formed in the upper millstone. The device has the advantages that the millstone can be effectively prevented from being overheated during long-time high-speed operation, the problem that the temperature of existing millstone equipment rises due to poor heat dissipation is solved, and grains with high fat content and the like are prevented from being overheated and deteriorated.

The utility model relates to the technical field of grinding discs, in particular to a stone machining grinding disc which comprises a base, a grinding layer and a connecting rod, the grinding layer is arranged on the outer side of the base, and the bottom of the base is connected with the connecting rod. The stone grinding device has the beneficial effects that after stone and a grinding layer on the outer side of a grinding disc are connected in a sleeving mode, a ratchet wheel base is rotated clockwise till the grinding layer tightly abuts against the inner wall of the stone, in the rotating process, a limiting column can limit the rotating angle of a pawl, and it is avoided that the pawl rotates excessively under the pushing effect of the ratchet wheel base; at the moment, a power assembly installed on a connecting rod is started to drive a base, a grinding layer and the connecting rod to rotate reversely, then the interior of the stone can be ground smoothly, the grinding range of the grinding disc can be adjusted according to the size of the stone, and the grinding thickness of the inner wall of the stone is made to be the same.

The utility model relates to the technical field of food processing equipment, and particularly discloses an anti-accumulation rice flour grinding device which comprises a shell, the shell is a grinding device shell, an opening in the bottom end of the shell is in short butt joint with a supporting frame, a first grinding disc is placed at the upper end of the supporting frame, and a second grinding disc is installed at the upper end of the first grinding disc. Wherein the first millstone and the second millstone form one of main structures for grinding rice noodles. According to the anti-accumulation rice flour grinding equipment and device, when rice flour raw materials are fed, the rice flour raw materials are guided to spirally slide down through a spiral drainage plate on the inner wall of a feeding hopper and are matched with the change of the distance between a limiting block and the feeding hopper and a strip-shaped opening of a material uniformizing disc, so that the raw materials uniformly enter a grinding area, and accumulation at an inlet is avoided; the cleaning frame in the second moving frame can slide by attaching to the inclined surfaces of the first millstone and the second millstone, rice flour powder possibly accumulated on the millstone is cleaned in time, rice flour is prevented from being accumulated in the equipment, and it is guaranteed that the rice flour grinding process is smooth.

The utility model discloses a stone mill cooling device for sesame paste production, which comprises a lower millstone, a material frame is integrally formed at the bottom of the lower millstone, a discharge port is arranged on the side surface of the material frame, a motor is arranged at the bottom of the lower millstone, an output shaft of the motor penetrates to the upper part of the lower millstone and is fixedly connected with an upper millstone, and a cavity is arranged at the bottom of the lower millstone. A mounting plate is fixedly connected below the inner cavity of the lower millstone, a motor is fixedly connected with the mounting plate, a box body is fixedly connected to the top of the inner cavity of the lower millstone, the outer side of the box body is attached to the inner wall of the lower millstone, an opening is formed in the top of the box body, and a sealing bearing is fixedly connected to the bottom of the box body. Compared with the prior art, the sesame paste low-temperature grinding device has the advantages that the size is not additionally increased, the occupied space of the device is small, the lower grinding disc can be cooled to the temperature far lower than the room temperature, and the low-temperature grinding effect on sesame paste can still be guaranteed in the environment with the overall temperature of the room temperature being high.

The integrated multi-layer grinding machine is composed of a motor control box, a bottom grinding disc arranged on the top face of the motor control box and a basic grinding disc which is overlapped with the bottom grinding disc for grinding. The bottom millstone and the basic millstone form a set of grinding body; one or more stone millstones are overlaid on the basic millstone again to form a plurality of layers of grinding bodies which work independently, and grinding textures are arranged on the upper surface and the lower surface of the basic millstone and the contact surfaces between the added stone millstones; according to the stone mill, one or more layers of stone mill discs are sequentially overlaid on the basis of an original stone mill body to form multiple sets of grinding bodies, and grinding of each layer works independently; after one-time feeding, grinding powder or grinding pulp can flow out from each layer of the stone mill discs with the multiple sets of grinding bodies which are stacked up and down, the pulp discharging or powder discharging efficiency is greatly improved, and due to the fact that the stone mill discs are formed by stacking up and down, the pulp discharging or powder discharging rate is increased by several times, and meanwhile any work site is not occupied.

The invention discloses an adjustable dynamic and static ring for a coal mill, and relates to the technical field of coal mills.The upper portion of a millstone is provided with an annular milling channel, one side of the bottom of the millstone is connected with a dynamic ring mechanism through a bolt, the radial outer wall of the dynamic ring mechanism is in lap joint with a bearing mechanism, and the upper portion of the bearing mechanism is provided with a first static ring mechanism; a second static ring mechanism is arranged on the upper portion of the first static ring mechanism, the movable ring mechanism is located below the second static ring mechanism, gaps are reserved among the movable ring mechanism, the bearing mechanism, the first static ring mechanism and the second static ring mechanism, and an L-shaped channel is formed. According to the adjustable dynamic and static ring for the coal mill, an air duct and a nozzle are redesigned, the air duct nozzle is subjected to Venturi design, the air speed is gradually increased from an inlet to an outlet of the nozzle and reaches the maximum at the throat part of the nozzle, the ventilation resistance can be reduced, a sealing structure is redesigned, a dynamic and static gap can be ensured, primary air leakage is reduced, and primary air is efficiently utilized; pulverized coal can be carried more effectively, and the output of the coal mill is ensured.

Mill with a grinding control system comprising a fixed housing (6) connected to the opening of a container holding the product to be ground, in which a static counter-millstone (7) is placed, wherein this assembly is linked to a rotating part (5) which is angularly movable on the fixed housing (6), rotating part (5) in which a millstone holder part (3) is placed, to which a millstone (4) is solidly linked, wherein the millstone holder part (3) includes openings (32) for the discharge of the ground product, a closure cover (1), and means for controlling the relative vertical distance between the millstone (4) and the counter-millstone (7), characterized in that the means for controlling are implemented in a regulator (2) with a disc-shaped design, which is placed in one of the ends of the millstone holder part (3), regulator (2) with openings (21) for the passage of the ground product product,with projections (22) for manual rotary actuation thereof, and a circumferential skirt (23) which is designed to adapt externally to the millstone holder part (3), which skirt (23) internally includes pins (24) which move in inclined grooves (34) provided on the outer surface of the millstone holder part (3), and which regulates the position between the millstone (4) and the counter-millstone (7), with the special feature that the millstone holder part (3) includes external vertical guides (33) via which the rotating part (5) is linked by means of internal vertical guides (51) provided in the latter, wherein the millstone holder part (3) is integral with the angular movement of the rotating part (5) and is vertically movable with respect to it via the internal vertical guides (51), wherein the vertical movement between the regulator (2) and the rotating part (5) is prevented by stops.

The utility model provides a millstone blowing device of a vertical mill. The millstone blowing device comprises a high-pressure fan, an air inlet pipeline and an air spraying pipe, wherein the high-pressure fan is connected with the branch air pipe through the main air pipe, and the branch air pipe is divided into two outlets which are respectively connected with two inlets of the air spraying pipe; the air spraying pipe is composed of a pipeline and a nozzle speed adjusting device. The nozzle speed regulating device comprises a rotating shaft, a top plate, a speed regulating plate, a jackscrew and a side plate; a semi-circular groove with a certain depth is cut off at an outlet of the pipeline, and the top plate, the side plate and the speed regulating plate form a closed outlet; wherein the speed regulating plate is welded to the rotating shaft and rotates along with the rotating shaft, and the rotating shaft is hinged to the side plate; a jackscrew is fixed on the top plate; after being screwed in, the jackscrew can abut against the speed regulating plate and rotate inwards, the outlet area of the air spraying pipe is reduced, and the air speed of a nozzle is increased. According to the utility model, high-pressure and high-speed air is adopted to blow materials at the root of the millstone retaining ring in time for sorting; the yield of the mill is improved and the power consumption of the mill is reduced.

The utility model discloses a protective cover structure of a grinding disc of a double-end-face grinding machine, and relates to the technical field of mechanical equipment. The grinding machine component comprises a grinding machine assembly, a protective cover body arranged at the top of the grinding machine assembly and an observation window arranged in the protective cover body, and the situation in the protective cover body can be directly observed through the observation window. The cleaning part comprises a rotating assembly arranged in the shield body, a connecting assembly arranged on one side of the rotating assembly and a cleaning assembly arranged on one side of the connecting assembly; the rotating assembly comprises a handle arranged on the shield body and a connecting block arranged at the end of the handle. According to the millstone shield, the observation window is formed in the shield body, observation of an observer is facilitated, in addition, the observation window is cleaned through the rubber strip, the good sight line of the observer is guaranteed, and the problem that an existing millstone shield is inconvenient to observe is solved.

The application discloses a kind of millstone positioning mechanism, including millstone adjusting ring, millstone component and millstone box body, the millstone component includes millstone support and the first millstone being arranged on millstone support, and the first millstone is screwed with millstone adjusting ring;The millstone box body is around the outer periphery of millstone adjusting ring and the accommodating cavity that can accommodate millstone support is opened on the millstone box body.Wherein, the accommodating cavity is equipped with positioning column, and the limiting lug that is matched with positioning column is equipped on the millstone support.Therefore, when user thread is screwed into the first millstone in millstone adjusting ring until the limiting lug on millstone support and the positioning column in accommodating cavity are abutted, at this time, user can judge that the first millstone has been screwed in place from sensory, to ensure that the first millstone of millstone component is in initial setting position each time assembly, to improve grinding accuracy.In addition, the application also provides coffee machine with it.