193 results about "Millstone" patented technology

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.

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 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 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 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 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.

The utility model relates to the technical field of electrophoretic paint preparation, concretely relates to a kind of electrophoretic paint preparation device, comprising: base, fixedly installed jar in the base, grinding mechanism for grinding raw material in the jar;The grinding mechanism includes: transmission belt, the transmission belt drives transmission shaft rotation, fixedly installed gear on the transmission shaft, the gear is engaged with inner ring gear, fixedly installed with fixed ring on the inner ring gear, limit rail is equipped on the fixed ring, limit rail is slidably installed with limit rod, the limit rod is fixedly connected on the hopper, the lower end of the hopper is communicated with lower millstone, and the lower millstone is ground with grinding block raw material.The utility model in the specification, when the lower millstone rises and cooperates with grinding block and grinds raw material, when the lower millstone drops, part is located below liquid level, so that raw material is soaked in solution, and fine raw material particle passes through through-hole, to facilitate next grinding, improve grinding efficiency.

The utility model discloses a material distributing and discharging device of a vertical roller mill, and belongs to the technical field of material distributing and discharging. A material guide cone is mounted above a millstone in an ash hopper of the vertical roller mill material distributing and discharging device; an annular material area for collecting returned materials of the powder concentrator is formed between the material guide cone and the ash hopper; a plurality of first material distribution cones are arranged between the material guide cone and the ash hopper in the circumferential direction, and the annular material area is equally divided into a plurality of hopper-shaped material areas by the first material distribution cones; a first feed opening is formed in each hopper-shaped material area; the first discharging pipe is arranged on the outer side of the ash hopper and communicates with the first discharging opening, a feeding nozzle is installed at the lower end of the first discharging pipe, and the first discharging pipe extends to the feeding side of the grinding roller through the feeding nozzle; the second material distributing cone is arranged between the two first material distributing cones; the two second discharging openings are formed in the two sides of the second material distribution cone correspondingly and located at the bottom of the first material distribution cone. The Y-shaped discharging pipe is arranged on the outer side of the ash hopper, and the two ends of the upper portion of the Y-shaped discharging pipe communicate with the two second discharging openings correspondingly. According to the device, materials can be finely sorted, and the supplied materials flow out stably.

The utility model relates to the technical field of pigment grinding equipment, and discloses a color painting pigment grinding device which comprises a trapezoidal base, the inner wall of the trapezoidal base is fixedly connected with a direct current motor, the output end of the direct current motor is fixedly connected with a gear, and the middle of the top end of the trapezoidal base is rotationally connected with a hollow rotary grinding disc. A gear ring is fixedly connected to the outer side of the hollow rotating millstone, the gear is connected with the gear ring in a meshed mode, and a plurality of first grinding grooves are formed in the inner wall of the hollow rotating millstone. According to the utility model, a valve handle is rotated to move a threaded rod, a gap is adjusted, a limiting rod ensures the moving direction, a direct-current motor is started, a gear drives a gear ring to enable a hollow rotating millstone to rotate, pigment reaches a required state under the action of a grinding groove I and a grinding groove II, and a wear-resistant block and a grinding block are further ground; and the ground pigment falls off through the hollow part of the hollow rotary grinding disc, so that the grinding degree of the pigment can be regulated and controlled.

The utility model provides a heat-resistant millstone capable of preventing overheating deformation, and relates to the technical field of millstone equipment. The grinding disc assembly is composed of a mounting frame, a driving motor, an adjusting roller mechanism and a fixing roller mechanism, the mounting frame is arranged on one side of the mounting frame, the adjusting roller mechanism and the fixing roller mechanism are arranged on the other side of the fixing roller mechanism, liquid in the collecting box is sprayed out after passing through a spraying head through the arrangement of a water pump, spraying cooling is conducted on the surface of the grinding belt, and the grinding efficiency is improved. When the polishing belt with water drops moves to the air blowing cover, under the action of an air blower, external air is pumped out after passing through the air blowing cover, the water drops attached to the surface of the polishing belt are separated, the separated water drops fall on a flow guide plate or directly fall on a bottom plate of the protection assembly, and at the moment, the water drops on the flow guide plate are separated from the air blowing cover under the action of an inclined structure. And the liquid is guided at the water guide cotton plate and is adsorbed by the water guide cotton plate, and the liquid adsorbed on the water guide cotton plate falls into the protection assembly again to be stored.

The invention relates to the technical field of stone mill flour equipment, and discloses stone mill flour equipment and a process, the stone mill flour equipment comprises a rack, the bottom of the rack is provided with a circular disc sieve, the top of the rack is fixedly provided with a fixed millstone, the top of the rack is provided with a rotary millstone, and the top of the rotary millstone is fixedly provided with a counterweight circular plate. The machine frame, the circular disc screen, the fixed millstone, the rotary millstone, the counter weight circular plate, the fixed support, the storage box, the material stock sensor, the feeding cylinder, the sealing dust cover and the air suction cylinder are used in cooperation, the mode that an upper millstone is changed into a fixed disc in the past is adopted, the lower millstone is adopted as the fixed disc, and the gravity of the upper millstone serves as the pressure between the two millstones; the millstone combination is arranged according to the position of the millstone combination and can be increased or decreased according to the grinding condition so as to achieve the best grinding effect, and special transmission and clutch mechanisms are adopted, so that the millstone combination is clutched according to the starting and material breaking conditions so as to ensure that the millstone cannot be subjected to empty grinding.

The utility model relates to the technical field of grinding devices, and discloses an anti-blocking fine grinding device for flour processing, which comprises a shell, a feed port arranged at the top of the shell, a discharge port arranged at the bottom of the shell, a discharge port arranged on the outer surface of the shell, and a grinding disc fixedly connected with the inner wall of the shell, a motor is fixedly connected to the top of the shell, a rolling part is fixedly connected to the output end of the motor, a dredging assembly is arranged on the top of the inner wall of the shell, in order to enable the equipment to better grind materials, the motor is started to enable the rolling part to rotate, meanwhile, the grinding disc is matched to grind the materials, and when the rolling part rotates, the dredging assembly is arranged on the inner wall of the shell. According to the device, the stirring rod fixedly connected to the outer surface of the rotating shaft of the rolling piece can rotate together, and the stirring rod can make contact with the protruding block when rotating and fixing are conducted, so that the end of the movable block is collided, a connecting rod drives materials in the feeding port to move, and the materials in the feeding port are dredged.

The utility model relates to the field of honing rods, and discloses a multifunctional honing rod which comprises a honing rod body and a polishing head fixed at the bottom end of the honing rod body, a rotating sleeve is matched with the top end of the outer side of the polishing head in a threaded mode, and a plurality of installation grooves are formed in the lower portion of the rotating sleeve. A plurality of mounting grooves are formed in the outer side of the grinding head in a surrounding mode along the center of the grinding head, protruding blocks are fixed in the mounting grooves, grinding stones are mounted in the mounting grooves, and the rotating sleeve is screwed to rotate and descend on the grinding head, so that the upper half sections of the mounting grooves are shielded, and the mounting length of the mounting grooves is shortened; and after the rotating sleeve rotates and descends, the upper half section of the mounting groove can be blocked, so that chippings generated during grinding are prevented from entering the mounting groove, and meanwhile, the mounting stability of the short millstone can be improved.

The utility model discloses a flat grinding machine with a lifting type clamping mechanism, which comprises a rack, and one or more grinding mechanisms are connected onto the rack; the grinding mechanism comprises a millstone motor vertically fixed on the rack, and a horizontal millstone is fixed at the top end of a main shaft of the millstone motor; the rack is slidably connected with one or two mounting seats which are arranged on the grinding mechanisms in a portal frame shape in a striding mode, the sliding path of the mounting seats on the rack passes through all the grinding mechanisms, and driving parts are connected between the mounting seats and the rack; fixing blocks are vertically and slidably connected to the two sides of the top of the mounting base, and a vertical electric telescopic rod is connected between at least one fixing block and the mounting base; a horizontal clamping row seat is rotationally connected between the two fixing blocks, and a clamping row used for clamping a grinding piece is fixedly connected to the clamping row seat. The automatic polishing machine not only can improve the polishing precision, but also has the advantages of being high in equipment operation stability, convenient in feeding clamping and discharging ejection control operation and good in environmental protection property.

The invention discloses a secondary crushing mechanism and a vertical roller ore grinding stone mill, and belongs to the technical field of grinding equipment.The vertical roller ore grinding stone mill comprises a mill shell and a millstone arranged in the mill shell, an annular gap communicated with a discharging bin is formed between the mill shell and the outer edge of the millstone, and the outer edge of the millstone is provided with a rotary retaining ring rotating along with the millstone; a suspension retaining ring is arranged above the rotary retaining ring, and an annular gap which is used for discharging grinding materials and is communicated with the annular gap is formed between the suspension retaining ring and the rotary retaining ring; and a secondary crushing mechanism is arranged in the annular gap and comprises a crushing moving ring arranged on the millstone and a crushing static ring arranged on the mill shell. The synergistic effect of the suspension sorting mechanism and the secondary crushing mechanism not only realizes accurate control and intelligent screening of material granularity, but also effectively relieves the problems of over-grinding and high material returning rate, and enhances the adaptability and reliability of a wet grinding system under complex material conditions.

The invention relates to a millstone adjusting structure and a coffee cup, the millstone adjusting structure comprises a support assembly, a motor, a first millstone, a second millstone, a connecting piece and a rotary drum, the motor is installed on the support assembly, the first millstone and the second millstone are oppositely arranged below the motor, the first millstone is connected with the support assembly, and the second millstone is connected with the connecting piece. The second grinding disc is in transmission connection with the motor, the connecting piece is arranged above the motor and connected with the motor, and the rotary drum is axially limited to the supporting assembly and is in threaded connection with the connecting piece. Through the mode that the first millstone and the second millstone move relatively to extrude coffee beans and then crush the coffee beans into powder, vibration in the grinding process can be greatly reduced, noise can be lowered, and the thickness of coffee powder can be flexibly adjusted by adjusting the distance between the first millstone and the second millstone.

The invention relates to the technical field of floor construction equipment, in particular to a floor inorganic millstone material stirring device and a stirring method.The floor inorganic millstone material stirring device comprises a stirring barrel and a stirring shaft; the stirring shaft is transversely arranged in the stirring barrel in a penetrating manner; the stirring drum and the stirring shaft are respectively provided with a driving device, so that the stirring shaft rotates relative to the stirring drum; stirring blades are arranged on the inner wall of the stirring barrel, so that materials move upwards along with the stirring blades when the stirring barrel rotates; a spiral sheet is arranged on the outer wall of the stirring shaft, so that materials in the stirring barrel are pushed outwards when the stirring shaft rotates. By adjusting the rotating speed difference between the stirring shaft and the stirring barrel, the retention time, namely the stirring duration, of the material in the stirring barrel can be accurately controlled, so that the mixing uniformity is ensured, and the mixing requirement of a millstone mixture is met. According to the structure, feeding, stirring and discharging are continuously and synchronously carried out, and the problem of cold joints caused by construction interruption is effectively avoided.

The utility model relates to the technical field of grinding devices, in particular to a grinding device for a sealing surface of a gear pump, which adopts a turntable and a grinding disc which are eccentrically arranged, so that the complexity of a grinding path of the sealing surface is improved, and the grinding effect of the sealing surface is improved. Comprising a rack, a turntable, a shaft lever and a millstone, the eccentric shaft is installed at the eccentric position of the lower end face of the rotary disc and rotationally installed on the rack, the clamping mechanism is installed on the upper end face of the rotary disc, the shaft rod is rotationally installed on the rack in a liftable mode, the grinding disc is concentrically installed at the lower end of the shaft rod, and the grinding piece is installed on the lower end face of the grinding disc. The grinding disc is located above the rotating disc, the driving mechanism is installed on the rack and drives the eccentric shaft to rotate, the driving mechanism drives the shaft rod to rotate, and the rotating direction of the shaft rod is opposite to that of the eccentric shaft.

The utility model belongs to the technical field of flour production, and particularly relates to a stone mill milling device for flour production, which comprises a support frame, a fixed cover fixedly connected to the inner side of the support frame, a lower millstone rotatably connected to the lower part in the fixed cover, and an upper millstone fixedly connected to the inner side of the support frame and positioned above the lower millstone, a feeding hopper is fixedly connected to one side of the top of the upper millstone, a sieving plate is slidably connected to the interior of the feeding hopper, a grinding block is fixedly connected to the exterior of the lower millstone, and a transmission assembly is arranged in the fixing cover; the utility model provides a stone mill milling device for flour production, which solves the problems that wheat raw materials need to be manually sieved before stone mill milling in the prior art, so that the influence of impurities such as straws, stones and the like doped in the wheat raw materials on the flour production quality is avoided, and in addition, the existing milling device only adopts single milling, so that the production efficiency is high. And the ground flour is not fine enough, so that the uniformity of flour particles and the taste of the flour are reduced.

The utility model discloses a milling device for flour processing, which comprises a mounting table, a first millstone and a second millstone, the first millstone is fixed on the top surface of the mounting table, and the second millstone is rotatably mounted on the upper surface of the first millstone; the dredging assembly comprises a feeding frame, a gear ring, a limiting groove, a rotating plate and a limiting frame, the feeding frame is fixed to the upper surface of the second grinding disc, the gear ring is fixed to the upper surface of the feeding frame, the limiting groove is formed in the middle of the gear ring, the rotating plate is slidably installed on the upper surface of the gear ring, and the limiting frame is fixed to one side of the rotating plate. And one end of the limiting frame is slidably mounted in the limiting groove, a fixing groove is formed in one side of the rotating plate, and a second motor is fixed in the fixing groove. The feeding device has the advantages that wheat is prevented from being blocked in the feeding frame, the wheat can be effectively prevented from being excessively accumulated and blocked in the feeding frame, it is ensured that the wheat can uniformly and continuously enter the subsequent processing link, and therefore the feeding efficiency is remarkably improved.

The utility model discloses a single-face grinding machine which comprises a rack, a grinding disc, a disc repairing mechanism and a stop hook assembly. The rack serves as a carrier; the millstone is mounted on the rack and driven by a driving device to rotate, and the grinding base surface of the millstone faces upwards; the grinding disc repairing mechanism comprises a transmission assembly, a grinding disc repairing tool apron and a sliding rod, the grinding disc repairing tool apron is installed on the sliding rod, the transmission assembly drives the sliding rod to move horizontally, and the grinding disc repairing tool apron acts on the surface of the grinding disc; the stop hook mechanism comprises a driven ring and a stop hook assembly, and the driven ring is placed on the grinding base plane; the stop hook assembly is provided with a stop hook, the stop hook is an arc-shaped face with the same radian as the circumferential side face of the driven ring, and the stop hook is provided with a guide wheel which can move along the circumferential side face of the driven ring. The angle, the height and the distance extending out of the millstone can be adjusted through the stop hook mechanism, so that the requirements for machining precision, plane stability and the like of products are met; and the surface of the grinding disc can be trimmed through the disc trimming mechanism, and the product polishing effect is ensured.

The utility model discloses stator surface grinding equipment which comprises a main machine frame, a motor, a transverse moving installation frame and a material taking mechanism are arranged on the main machine frame, the motor is connected with a grinding disc rotating mechanism in a driving mode through a synchronous belt, a grinding disc is arranged above the grinding disc rotating mechanism, and a workpiece placing frame used for bearing workpieces is arranged at the corresponding position above the main machine frame. A main mounting plate is arranged on the transverse moving mounting frame, a jacking air cylinder, a descending air cylinder and a servo motor are arranged on the main mounting plate, and the servo motor transversely moves on the main mounting plate through a gear rack and is used for taking materials; the jacking air cylinder is connected with a jacking rod mechanism used for jacking a workpiece. The material taking mechanism comprises a clamping jaw air cylinder which is arranged below the descending air cylinder and used for clamping the workpiece. Through the optimized and improved design of the product, the problem that the grinding plane precision of the stator surface of the air cylinder seat is low is solved, the automation degree of equipment is improved, and the beneficial technical effects of improving the quality of workpieces and improving the working efficiency are achieved.

The utility model discloses a wall putty polishing device which comprises a shell, the shell is square, a square groove is formed in the front face of the shell, a motor is installed on the back face of the shell, a millstone in a Norler triangle shape is arranged in the square groove, abrasive paper is arranged on the front face of the millstone and protrudes out of the square groove, and the motor is connected with the millstone through an eccentric shaft. The moving range of the grinding disc can cover the whole square groove under transmission of the motor and the eccentric shaft. According to the device, internal corner parts such as wall corners and column feet can be electrically polished, secondary manual polishing is avoided, the polishing efficiency is improved, vibration polishing of the wall surface is achieved, and the polishing effect is improved.

This utility model provides a stone-ground flour grading and sieving device, relating to the field of stone-ground flour processing technology. It includes a mounting base, a drive unit disposed on one side of the mounting base, a sieving barrel disposed on the top outer side of the mounting base for sieving flour, a feeding unit disposed on one side of the mounting base, and a receiving box disposed on one side of the mounting base. The relative rotation of the connecting plate and the sieving barrel enables continuous rolling sieving of the flour, significantly improving sieving efficiency and ensuring flour grading accuracy. Simultaneously, the scraper, cleaning plate, and cleaning head continuously scrape the inner and outer walls of the sieving barrel, effectively removing accumulated flour and preventing internal and external blockages. The deformation design of the cleaning plate also protects the screen during cleaning. Through the coordinated operation of sieving and cleaning, this device ensures both sieving efficiency and maintains unobstructed operation, improving the continuity of stone-ground flour processing and the quality of the finished product.