985results about How to "Improve crushing efficiency" patented technology

The invention provides a building solid waste recycled aggregate preparation system with multi-layer screening and intelligent judgment functions and an operation method. The construction method comprises the construction steps of waste transportation and throwing, manual sorting, waste crushing, cleaning and impurity removal, fine crushing, multi-stage screening, quality detection and control, finished product storage and transportation and recycled aggregate application. According to the building solid waste recycled aggregate preparation system with the multi-layer screening and intelligent judgment functions and the operation method, accurate regulation and control of the screening process are achieved, and the production efficiency is remarkably improved. The quality stability of the recycled aggregate is ensured, the influence of building wastes on the environment is reduced, and the cyclic utilization of resources is promoted. By adopting the technology, the production scheme can be quickly adjusted according to market requirements, the adaptability is high, and more economic benefits are created for enterprises.

The invention discloses an annular magnetic crushing system for wood fiber micro-nano crushing, which comprises an annular crushing cavity, a breathing device and an emission recovery device, the annular crushing cavity is a closed structure, and the annular crushing cavity is filled with conductive particles; a circle of electromagnetic driving device and a circle of attraction device are arranged in the annular crushing cavity, the electromagnetic driving device is located on the outer circle, the attraction device is located on the inner circle, the attraction device and the electromagnetic driving device exist in a mutual accompanying mode, and the outer portion of the annular crushing cavity is connected with a conductive particle emission and recovery device; and breathing openings are formed in the top and the bottom of the annular crushing cavity and are connected with a breathing device. The wood fiber powder regularly moves up and down under the action of the breathing device, collides with the conductive particles moving at a high speed in the annular cavity and is broken down and broken. The problems that the diameter of existing professional corollary equipment is limited, the initial velocity of conductive particles cannot be obtained, and the machining efficiency is insufficient due to the lack of a breathing device are solved.

The invention relates to the technical field of smashing devices, in particular to a smashing device for a graphite lithium battery negative electrode material, which comprises a shell, the interior of the shell is divided into a smashing cavity and a storage cavity, and a storage part with a hollow structure is arranged in the storage cavity; the crushing and conveying mechanism is used for conveying external graphite particles to the crushing cavity and carrying out coarse crushing on the graphite particles in the conveying process; the crushing mechanism is used for crushing the graphite particles; the driving mechanism is used for transmitting power to the crushing mechanism, and meanwhile, the air and the graphite particles in the crushing cavity are conveyed into the storage part in the power transmitting process; and the screening plate is installed in the storage part, an outlet is formed in the storage part, and the storage part communicates with the crushing cavity through a circulating pipe. Graphite particles are conveyed into the crushing cavity through the crushing and conveying mechanism, then the driving mechanism is used for driving the crushing mechanism to crush the graphite particles, and finally the graphite particles are screened through the screening plate, so that the crushing efficiency of the graphite particles and the uniformity of the crushing granularity are improved.

The invention relates to the technical field of building material recovery and treatment, and discloses waste building material recovery and treatment equipment which comprises a main body assembly, a crusher shell, a main rotating shaft, an auxiliary rotating shaft, crushing teeth, a supporting piece, a driving piece and a conveying belt, and the main rotating shaft and the auxiliary rotating shaft are arranged in the crusher shell; the crushing teeth are fixed to the surface of the main rotating shaft and the surface of the auxiliary rotating shaft respectively, the supporting piece is arranged in the crusher shell, and the driving piece is arranged on the crusher shell. The crusher has the beneficial effects that by arranging the adjusting assembly, during normal crushing, the high crushing efficiency of the crusher can be kept, and when the crusher encounters stones with high hardness, the torque of the crushing teeth can be enhanced, so that the crushing teeth can crush the stones with the high hardness; the problems that when an existing crusher treats objects difficult to crush, efficiency is low, and blockage and damage are prone to occurring are solved.

The invention relates to the technical field of essential oil extraction and analysis, in particular to a vitex trifolia leaf essential oil extraction and component analysis and identification method which comprises the following steps: S1, pretreatment of vitex trifolia leaves: flushing the vitex trifolia leaves with clear water for 10-15 minutes, drying moisture on the surfaces of the vitex trifolia leaves, preparing an extraction device, setting the extraction device to be in an initial state, and extracting the vitex trifolia leaves; putting vitex trifolia leaves into an extraction device; s2, squeezing the vitex trifolia leaves: squeezing the vitex trifolia leaves of which the surface moisture is dried by an extraction device for 5-10 minutes to obtain squeezed vitex trifolia leaves and a vitex trifolia leaf oil-water mixture; s3, grinding the vitex trifolia leaves: grinding the squeezed vitex trifolia leaves for 10-15 minutes through an extraction device to obtain ground vitex trifolia leaves and a vitex trifolia leaf oil-water mixture; s4, filtering vitex trifolia leaf essential oil: filtering vitex trifolia leaves and the vitex trifolia leaf oil-water mixture through an extraction device to obtain a vitex trifolia leaf oil-water mixture; s4, extracting vitex trifolia leaf essential oil; the device has comprehensive functions and can effectively improve the extraction efficiency.

The invention relates to the technical field of material processing, in particular to a crusher control method and a crusher. According to the crusher control method, the target crushing parameters most suitable for the current material characteristics can be inquired according to the inlet material characteristic-crushing parameter relation table, and the crusher is made to operate according to the target crushing parameters; in addition, the inlet material feature-crushing parameter relation table can be updated and iterated, the crushing parameters in the table are changed until the materials produced by the crusher meet the standard, the outlet materials can be qualified without manual repeated tests, rapid updating learning can be carried out for different batches of materials, and the efficiency is improved. And the parameter setting time is greatly saved, so that the material crushing efficiency is improved. According to the crusher provided by the invention, rapid update learning can be carried out, the parameter setting time is greatly saved, and the material crushing efficiency is further improved.

The utility model discloses an oat crusher with a vibrating screen structure, which comprises a crusher with supporting legs at the bottom, a crushing component is mounted at the top of the crusher, a conical driving gear ring is fixedly connected to the inner wall of the crusher, and the crushing component and the conical driving gear ring are matched to revolve and simultaneously rotate to crush oats. A vibrating screen is installed in an inner cavity of the crusher, and the crushing assembly drives the vibrating screen to vibrate to screen oats when rotating. By arranging the crushing assembly, when a crushing rod revolves, a conical driving gear is meshed with a conical driving gear ring, so that a rotating shaft drives a crushing roller to rotate, the crushing efficiency is improved, a connecting rod periodically pushes a vibrating screen to compress an elastic supporting pad to move downwards while the crushing roller rotates, and completely crushed oats on the upper end face of the vibrating screen are promoted to be sieved; and the incompletely crushed oats are continuously ground by the crushing roller at the upper end of the vibrating screen, so that the crushing efficiency and uniformity of the oats are improved.

The invention discloses a solid waste treatment device for preparing electronic-grade barium chloride by using industrial barium carbonate slag, and relates to the technical field of solid waste treatment.The solid waste treatment device comprises a treatment box and a solid waste crushing mechanism, a first containing cavity is formed in one side of the treatment box, and a fixed gear is connected to the side face of a rolling gear in an engaged mode. According to the solid waste treatment device for preparing the electronic-grade barium chloride by utilizing the industrial barium carbonate slag, a rolling gear rolls along the outer side surface of a fixed gear by utilizing rotation of a sliding rod, so that a reciprocating screw rod is driven to drive a movable sleeve seat, and the sliding rod carries a hammer head to perform reciprocating displacement in a rotor disc; therefore, the hammerheads rotate in the treatment box no longer in a single track, large-particle barium slag originally located between the hammerheads is fully stressed to be crushed due to the change of the rotation track of the hammerheads, and the problem that the barium slag cannot be stressed to be crushed due to the fact that the sliding track of the barium slag is located between the hammerheads is solved. Therefore, the crushing efficiency of the barium slag is effectively improved.

The utility model discloses a building waste recovery transport vehicle, which relates to the technical field of building construction and comprises an outer shell, rollers are rotatably connected to the outer surface of the bottom end of the outer shell, guide grooves are formed in the two sides of the rollers, an inner shell is fixedly connected to the interiors of the guide grooves, and a feeding plate is movably connected to the outside of one end of the inner shell. According to the waste material crushing device, when waste materials in the waste material crushing device are crushed by the crushing rollers, internal metal is adsorbed by the magnetic suction plate in the rotating and stirring process, and after the metal waste materials are completely adsorbed by the magnetic suction plate, the first motor is started to drive the magnetic suction plate to rotate; the arc-shaped grooves in the two ends of the magnetic attraction plate enable the magnetic attraction plate to rotate more smoothly in the fixing groove, the magnetic attraction plate adsorbing the metal waste to rotate to one side of the outside, meanwhile, a worker operates the scraper to enable the scraper to slide along the outer wall of the magnetic attraction plate, and therefore the metal waste above is scraped to the position above the material guide plate at the bottom, the waste slides down along the material guide plate, and the metal waste is prevented from falling off. Therefore, metal is separated from other waste materials.

The invention discloses an efficient scrap steel crusher, and relates to the technical field of scrap steel crushing. Comprising a mounting frame, and a main crushing roller and an auxiliary crushing roller are rotationally connected into the mounting frame; the mounting shell is fixedly connected to the mounting frame, and a sun gear, a planet carrier, a planet gear and a gear ring which are used for forming a planetary gear train are arranged in the mounting shell; the gear box is mounted on the mounting shell, and an output gear is rotationally connected into the gear box; the mounting cylinder is arranged on the planet carrier and is rotationally connected with the mounting shell; and the detection assembly is arranged on the main crushing roller and is used for detecting the rotating speed difference between the main crushing roller and the mounting cylinder. The rotating speed difference of the main crushing roller and the mounting cylinder is detected, the rotating speed of the main crushing roller and the mounting cylinder is adjusted according to the rotating speed difference, the rotating speed of the main crushing roller is reduced when the load of the main crushing roller is large, the torque of the main crushing roller is increased, the material blocking probability is reduced, and then the waste steel crushing efficiency is improved.

The utility model discloses an adjustable jaw crusher for construction waste, which comprises a frame, a fixed jaw plate arranged on one side of the frame and a flywheel arranged above the frame, a movable jaw is arranged on one side of the frame, a movable jaw plate is arranged between the movable jaw and the fixed jaw plate, a clamping groove is arranged on the movable jaw, and the flywheel is arranged on the frame. The movable jaw plate is connected to the movable jaw in a clamped mode, a connecting plate is arranged above the rack, a limiting groove is formed in the rack, the connecting plate is connected to the interior of the limiting groove in the rack in a limited mode, an adjusting plate is arranged on one side of the connecting plate, and a hydraulic telescopic rod is arranged between the adjusting plate and the movable jaw. One end of the hydraulic telescopic rod is fixedly connected to the adjusting plate, and a limiting seat is arranged below the movable jaw and fixedly connected to the movable jaw. The size of the opening of the crushing cavity of the stone crusher is adjusted through connection between the hydraulic telescopic rod and the spring, the exerting space of the jaw crusher is widened, and the crushing efficiency of the crusher is improved.

The invention particularly relates to plate extrusion equipment and a using method thereof.The plate extrusion equipment comprises a plate discharging composite machine head, a plurality of feeding ends arranged on one side of the plate discharging composite machine head and a plurality of thermoplastic extruders correspondingly connected with the feeding ends of the plate discharging composite machine head, and the plate discharging composite machine head and the four thermoplastic extruders matched with the plate discharging composite machine head work cooperatively; according to the utility model, materials from different thermoplastic extruders can be layered, pressurized and conveyed through the four conical pressurizing ports, so that multiple layers of materials can be synchronously and accurately compounded in the plate outlet groove, the tight combination between layers is ensured, and the structural stability of the composite plate is improved; wherein the design of horizontal communication between the horizontal plate cavity and the plate outlet groove ensures the stable transition of the composite material in the extrusion molding process, avoids the common problem of unstable extrusion or fault in the traditional equipment, and is combined with the use of the cooler, so that the composite plate can be quickly cooled and molded after being extruded, the production efficiency is improved, and the production cost is reduced. And the size accuracy and the surface quality of the plate are ensured.

The invention belongs to the technical field of recycled plastic equipment, and particularly relates to recycled plastic particle processing-based multi-stage crushing treatment equipment which comprises a supporting column and a mounting seat, the supporting column is fixedly connected with the lower surface of the mounting seat, a crushing box is fixedly mounted on the upper surface of the mounting seat, and a feeding hopper is fixedly mounted on the upper surface of the crushing box; a screening mechanism is arranged on one side of the mounting base; multi-stage smashing is achieved through the smashing box, the roller and the smashing machine, it is ensured that plastic chippings are fully smashed, it is ensured that the plastic chippings reach the needed particle size, particle size distribution is more uniform, the product quality and consistency are improved, the roller is formed by splicing arc-shaped net plates with different hole diameters, the screening hole diameter can be adjusted according to requirements, and the screening efficiency is improved. Fine screening of the plastic chippings with different granularities is achieved.

The invention provides a stud ceramic ring rapid breaking and cleaning device and a construction method. The stud ceramic ring rapid breaking and cleaning device comprises at least two breaking execution units, a hinge transmission unit, a clamping fixed part, a clamping movable part, an anti-sputtering baffle, a first operating rod, a second operating rod and a hose. The crushing execution units are arranged on the lower portion of the inner side of the movable clamping part and the lower portion of the inner side of the fixed clamping part, one end of the hinged transmission unit is connected with the lower end of the anti-sputtering baffle, the other end of the hinged transmission unit is connected with the movable clamping part and the fixed clamping part, and the upper end of the anti-sputtering baffle is connected with the end of the hose. The first operating rod is arranged on the clamping fixed part, and the second operating rod is arranged on the clamping movable part. The ceramic ring crushing device has the beneficial effects that due to the adoption of the technical scheme, through the design of the multiple crushing execution units, pressure can be applied to a ceramic ring from multiple directions at the same time, the crushing speed and efficiency are remarkably improved, and the construction time is shortened; and through the combination of the anti-sputtering baffle and the dust collector, the ceramic ring disintegrating slag is effectively prevented from splashing.

The invention provides injection molding leftover material smashing equipment, and belongs to the technical field of plastic recycling, the injection molding leftover material smashing equipment comprises a rotating cutter assembly, a cutter groove and a material conveying mechanism, the rotating cutter assembly comprises a rotating shaft, a driving unit, a hobbing cutter and a hooking cutter, and the material conveying mechanism comprises an internal channel and an external pipeline; the internal channel comprises a hobbing cutter cavity, a hooked cutter cavity communicated with the hobbing cutter cavity, a crushing cavity and a containing cavity; the crushing cavity is communicated with the hook knife cavity, an arc-shaped baffle is fixedly installed between the crushing cavity and the containing cavity, an air outlet hole is formed in the baffle, and a crushing knife is arranged in the crushing cavity; the external pipeline comprises a draught fan, an air draft pipeline connected between an air inlet of the draught fan and the containing cavity, and an air conveying pipeline connected with an air outlet of the draught fan and the hob cavity. Under the action of wind power, materials falling into the containing cavity can enter the smashing cavity and are smashed through the smashing cutters, the materials can be blown to move in the axial direction of the rotating shaft, the multiple hobs jointly participate in smashing of the materials, and the material smashing efficiency is improved.

The invention belongs to the technical field of solid waste material preparation, and particularly relates to a device for preparing a multi-element solid waste-based cementing material, the device comprises a preparation box, a grinding and crushing assembly is mounted in the preparation box, and the grinding and crushing assembly comprises a rotary mounting disc arranged in the preparation box; the differential requirements of multiple applications on the granularity of the solid waste-based cementing material can be accurately met, accurate-granularity products adaptive to different scenes are produced by conveniently switching the grinding discs, and compared with the traditional technology that if the granularity needs to be changed, shutdown, equipment disassembly and whole set of grinding parts need to be frequently carried out, the working procedures are tedious, consumed time is long, equipment idling is caused, and production is interrupted, the production efficiency is greatly improved. According to the device, complex disassembly is not needed, the switching process is started instantly when the servo motor rotates reversely, under the cooperation of the wedge-shaped limiting piece, the wedge-shaped groove and other assemblies, grinding disc switching is rapidly completed, follow-up production is rapidly connected, the downtime is shortened, the overall production efficiency is remarkably improved, and the continuous industrial production rhythm and the unit time yield can be improved.

The invention belongs to the technical field of waste concrete prefabricated part recycling, and particularly relates to a waste concrete prefabricated part recycling crusher capable of being pretreated, which comprises a shell, a partition plate is fixedly connected to the inner wall of the shell, an L-shaped block is fixedly connected to the outer wall of the shell, and a vertical groove and a transverse groove are formed in the shell. A feeding hopper is arranged above the shell, a collecting box is connected to the lower portion of the shell in a sliding mode, a smashing device, a screening device and an auxiliary device are arranged on the shell, the auxiliary device comprises a material pushing plate, and the material pushing plate penetrates through the partition plate and is connected with the partition plate in a sliding mode. According to the waste concrete prefabricated part recycling crusher capable of being pretreated, through ingenious cooperation of the material pushing plate, the cam, the spring and other assemblies, the material pushing plate can automatically reciprocate, waste is continuously pushed to the crushing roller, accumulation and retention of the waste in the crushing process are effectively reduced, and therefore the crushing efficiency is remarkably improved.

The invention relates to the technical field of intelligent household appliances, and discloses a crushing method and system for kitchen garbage treatment equipment, and the method comprises the steps: carrying out the image collection of kitchen garbage to be treated, obtaining initial to-be-treated data, carrying out the analysis of the initial to-be-treated data, and determining the integrity of the initial to-be-treated data; extracting feature information of the to-be-processed data, analyzing all the feature information, and determining effective feature points; collecting physical feature information of the effective feature points, and calculating processing parameters of the corresponding feature points according to the physical feature information; and judging a crushing strategy of the kitchen garbage to be treated according to the treatment parameters, and generating a corresponding crushing scheme according to a judgment result. By monitoring and analyzing the to-be-treated garbage in real time, the type of the to-be-treated garbage can be accurately identified, so that a corresponding crushing strategy is formulated, the intelligent treatment mode can improve the treatment efficiency and effect of the kitchen garbage, and more refined garbage management is realized.

The RDF fuel conveying and crushing all-in-one machine comprises a crushing box and a crushing roller which is arranged on the crushing box and used for crushing cloth and is of a hollow structure, a longitudinal cutting structure for driving the crushing roller to rotate and preventing cloth fibers from winding a shaft on the crushing roller is arranged on the crushing box, and the longitudinal cutting structure comprises a base plate fixedly connected to the crushing box; the base plate is provided with a spline shaft which is driven by a motor and freely rotates in the vertical direction, and the crushing box is provided with a shaft cutting assembly which allows the multiple sets of cutter bodies and the crushing roller to synchronously rotate and reciprocates along the diameter section of the crushing roller in an L-shaped track. Through the multiple sets of cutter bodies which rotate synchronously with the smashing roller and reciprocate in the horizontal direction, cloth fibers wound around the smashing roller can be cut in time, the shaft winding phenomenon is prevented, and therefore the continuity and stability of the cloth smashing process are guaranteed, the downtime is shortened, the maintenance cost is reduced, and the cloth smashing efficiency is improved.

The utility model relates to the technical field of melamine cyanurate packaging machines, in particular to a melamine cyanurate packaging machine which comprises a material storage box, a supporting plate, a filter cartridge, a discharging opening, a spiral conveyor, a discharging pipe, a feeding bin, a filtering mechanism and a smashing mechanism. The filter cartridge is fixedly arranged between the supporting plate and the inner top wall of the storage box, the supporting plate is located on the peripheral side of the filter cartridge and is provided with a plurality of discharging openings, the spiral conveyor is fixedly arranged on the storage box and communicates with the storage box, the discharging pipe communicates with the spiral conveyor, the feeding bin communicates with the storage box, and the discharging pipe communicates with the feeding bin. A feeding control valve is fixedly arranged in the feeding bin, the filtering mechanism is arranged in the material storage box and used for driving materials to be screened through the filtering cylinder, and through the technical scheme, the problem that in the related technology, the packaging effect is affected due to the fact that caked materials are likely to be mixed in the packaging process of melamine cyanurate is solved.

The utility model relates to the technical field of feed processing, and discloses a dustproof crushing device for feed processing, which comprises a crushing tank, a cover plate is clamped on the top surface of the crushing tank, an A motor cabin is fixedly mounted on the top surface of the cover plate, and a linkage mechanism is fixedly mounted in the A motor cabin. And two sets of smashing rods are fixedly arranged on the bottom face of the linkage mechanism, a screen is fixedly installed on the inner wall of the smashing tank, and an anti-blocking mechanism is fixedly installed at the bottom of the inner wall of the smashing tank. According to the dustproof crushing equipment for feed processing, through the arrangement of the dustproof mechanism and the protection mechanism, when feed is put in, an elastic sleeve belt is sleeved with a raw material container, when feed raw materials are poured, a dustproof cloth bag prevents feed dust from drifting away, during discharging, a protection cloth bag is placed in a packaging bag, during charging, the protection cloth bag is lifted slowly, and the height difference during discharging is reduced; and therefore, the dustproof effect is achieved during feed feeding and discharging, and the situation that dust drifts away and influences the working environment and personnel health is avoided.

The utility model discloses a novel cutter suction head of a dredger. The cutter suction head comprises a mounting main body, a driving shaft, a winch head structure and a plurality of mud suction pipes, wherein the driving shaft penetrates through the mounting main body and is rotationally mounted; the winch head structure is arranged at the front end of the driving shaft; auxiliary crushing mechanisms are further arranged on the two sides of the mounting main body; the twisting head structure comprises a conical frame installed at the front end of the driving shaft, and a plurality of separated cutter pieces and integrated cutter pieces which are arranged on the conical frame in a staggered mode. According to the utility model, through the structure of the plurality of separated cutter pieces and the integrated cutter pieces which are arranged in a staggered manner, the twisting force can be dispersed during crushing, so that the crushing effect of the twisting faucet is enhanced, and the efficiency of dredging and sucking mud is improved.

The invention relates to the technical field of grain crushing, in particular to a feed processing crusher which comprises a crushing box and a support for supporting the crushing box, rotor hammers for crushing are arranged in the crushing box, and the feed processing crusher further comprises a dust extraction shell arranged on one side of the crushing box and used for removing dust, one side of the dust suction shell communicates with a through pipe communicating with the interior of the crushing box, a plurality of blades for air suction are arranged in the dust suction shell, and a driving assembly for driving the rotor hammer pieces and the blades to rotate is arranged at the top of the support; and the material ejecting piece is arranged in the crushing box and used for supporting materials, a transmission assembly for driving the material ejecting piece to move is arranged in the crushing box, and a material pushing assembly matched with the transmission assembly is arranged in the crushing box. And through the arrangement of the dust suction shell and the blades in the dust suction shell, a through pipe, a middle through pipe and a plurality of auxiliary dust suction pipes diverging along the center, the dust suction efficiency is greatly improved, and it is ensured that dust generated in the crushing process of materials needed by livestock raising can be sucked away.

The utility model relates to the field of paper machines, and discloses a press roll for a paper machine, which comprises a first press roll and a second press roll which are oppositely arranged, a first moving part for driving the first press roll to move, and a second moving part for driving the second press roll to move. Firstly, the second moving part is adjusted to achieve large adjustment of the distance between the first press roll and the second press roll in a large range, and after large adjustment is completed, the first moving part is arranged to control the first press roll to ascend and descend so as to achieve fine adjustment of the distance between the first press roll and the second press roll; and the bevel gear II and the bevel gear rotate to drive the threaded rod to rotate, so that the threaded rod rotationally ascends or descends to drive the sliding column to move upwards or downwards relative to the fixed column, the movable plate I and the first press roll move along with the sliding column, and fine adjustment of the distance between the first press roll and the second press roll is realized. The utility model has the advantages and effects that the distance between the squeezing rollers is convenient to adjust, and the squeezing efficiency is high.

The invention relates to the technical field of stone crushing, in particular to a jaw crusher and method for preventing crushed stone from rolling over, and the jaw crusher comprises a frame body structure and a transverse plate fixedly mounted on the frame body structure; the driving assembly is arranged on the frame body structure, a driving crushing mechanism connected with the driving assembly is arranged on the transverse plate, and an inclined jaw plate is connected to the driving crushing mechanism; the driven crushing mechanism is arranged on the frame body structure and connected with the driving assembly, and a vertical jaw plate is connected to the driven crushing mechanism; the follow-up pushing mechanism is arranged on the frame body structure and connected with the driven crushing mechanism, and the follow-up pushing mechanism can drive the vertical jaw plate to move in the direction close to or away from the inclined jaw plate when the driven crushing mechanism moves; the crushing regulation and control assembly is arranged on the transverse plate and connected with the active crushing mechanism, the inclined jaw plate and the vertical jaw plate can be controlled to move in the horizontal direction and the vertical direction, so that the friction force on stone is increased, and the crushing effect on the stone is improved.

The invention relates to the technical field of rice milling and crushing equipment, in particular to a rice milling machine with a crushing structure, and aims to solve the problems of low efficiency and high equipment investment cost when a traditional rice milling machine treats by-product rice husks. The rice husking machine integrates the rice husking function and the rice husking smashing function and comprises a rice husking bin and a smashing bin. A plurality of conveying and rice milling integrated units are arranged in the rice milling bin, and efficient rice milling is achieved through a spiral convex body section; and a rice hull separation mechanism is arranged below the discharge port, and rice hulls are guided into the crushing bin through wind power. A sieve plate and a smashing wheel are arranged in the smashing bin, and uniform smashing is achieved through cooperation of first smashing teeth and second smashing teeth. The whole system adopts a compact design, the spatial layout is optimized, the material transfer loss is reduced, the production efficiency is improved, the production process is simplified, and the cost is reduced.

The utility model belongs to the technical field of devices for removing or transporting excavated materials or gangues, and particularly provides a reversed loader for a coal mine and a material receiving system of the reversed loader. The material collecting system comprises a rack, a feeding port and a conveying mechanism are arranged on the rack, a coarse crushing mechanism and a fine crushing mechanism which are arranged in the feeding direction of the conveying mechanism are arranged on the rack, and the crushing particle size of the coarse crushing mechanism is larger than that of the fine crushing mechanism. The reversed loader for the coal mine comprises the material receiving system. The coarse crushing mechanism can pre-crush large coal briquettes and gangues, small coal briquettes and gangues can normally pass through the coarse crushing mechanism in the pre-crushing process, and the fine crushing mechanism only needs to crush the coal briquettes and gangues which are crushed or directly pass through the coarse crushing mechanism. The coarse crushing mechanism and the fine crushing mechanism do not need high configuration, and the overall crushing efficiency is also improved.

The utility model relates to the technical field of paper crushing, in particular to a crushing device for waste paper recovery, which comprises a vertically through shell, two partition plates are symmetrically and adjustably arranged in the middle of the shell, a slitting device is arranged above the partition plates, and a crushing cutter is arranged below the partition plates. The slitting device and the crushing cutter are arranged in the shell; a cover plate is hinged to the upper end of the shell, two supporting plates are symmetrically arranged at the lower end of the shell in an adjustable mode, and the partition plate and the supporting plates can form a smashing space. According to the waste paper slitting device, the slitting device and the smashing cutter are arranged, the shell can be separated into the upper space and the lower space through the effect of the partition plate, waste paper in the upper space is slit into small-size paper through work of the slitting device, and the slit paper is fully smashed through work of the smashing cutter; the current situation that the crushing device is only provided with one crushing unit and cannot efficiently and effectively crush the waste paper is changed, and the crushing efficiency of the waste paper is improved.

The present invention discloses a pretreatment device for defatting animal meat residue to produce meat and bone meal, which relates to the technical field of meat and bone meal production, and comprises a treatment box, the top of which is fixedly connected to a feed frame, one side of which is rotatably provided with a slide plate for loading materials and sliding and feeding the materials, the slide plate being arranged at an angle, and the end of the slide plate located inside the feed frame being inclined downward, a limiting airbag being arranged at the end of the slide plate located inside the feed frame, and when the end of the slide plate located inside the feed frame is inclined downward and moves, the limiting airbag contracts to facilitate feeding. The pretreatment device for defatting animal meat residue to produce meat and bone meal is provided with structures such as a slide plate, a guide plate, and a limiting airbag, and the slide plate cooperates with the guide plate to prevent the splashing of hard materials, thereby improving the safety of the use of the pretreatment device; during the feeding process, the slide plate swings back and forth, and with the cooperation of the limiting airbag, periodic interval feeding is achieved, thereby improving the efficiency of material crushing.

The invention relates to the technical field of traditional Chinese medicinal material crushing and tabletting, in particular to a traditional Chinese medicinal material crushing and tabletting integrated forming machine which comprises a grinding barrel and a collecting barrel, a treatment bin is fixedly connected to the surface of the upper end of the grinding barrel, the grinding barrel is fixedly connected to the surface of the upper end of the collecting barrel, and two crushing rollers are rotationally connected into the treatment bin; according to the traditional Chinese medicine raw material crushing device, by arranging the pretreatment mechanism, long-strip-shaped traditional Chinese medicine raw materials can be quickly and automatically cut into blocks in a segmented mode while the traditional Chinese medicine raw materials are crushed, long beards and the like on the long-strip-shaped traditional Chinese medicine raw materials are prevented from being wound on blades, and the crushing efficiency and effect can be effectively improved by cooperating with subsequent grinding rollers for re-grinding; a plurality of traditional Chinese medicine tablets can be pressed at a time, the working efficiency of traditional Chinese medicine raw material tabletting is improved, raw material powder remaining on the annular bearing plate can be cleaned and blown while raw materials are ground, and waste caused by the fact that the raw materials fall and remain on the upper surface of the annular bearing plate is avoided.