2780 results about "Crusher" patented technology

The invention relates to the technical field of mine beneficiation, and discloses a placer movable type gravity separation system and method, and the placer movable type gravity separation system comprises a movable type bearing base, an impact crusher, a spiral classifier and a plurality of parallel shaking tables; a spiral classifier is matched with an intelligent concentration monitoring system. The intelligent concentration monitoring system is composed of an ore pulp concentration sensor, a flow sensor, a PLC and an electric adjusting valve. The feeding end of each shaking table is connected with the discharging end of the spiral classifier through a flow dividing pipeline, and a flow distributing valve is arranged on the flow dividing pipeline. A damping device and crawler-type moving wheels are integrated at the bottom of the movable bearing base, the whole machine is in communication connection with the equipment through a central control cabinet, and data communication and material conveying closed-loop linkage of the raw material crushing unit, the ore pulp grading and concentration regulation and control unit, the multi-machine parallel gravity separation unit, the movable operation regulation and control unit and the central control unit are achieved. The intelligent control framework has the advantages of being accurate in ore pulp concentration regulation and control, high in treatment capacity and stable and reliable in moving operation.

The utility model discloses crushing equipment for ore crushing. The crushing equipment comprises a crushing rack, and the top of the crushing rack is provided with a constraint assembly and a compression-resistant assembly; the restraining assembly comprises a middle table, a first contact table, a second contact table and a plurality of rubber battens, the first contact table is fixedly arranged on one side of the middle table, and the second contact table is fixedly arranged on the other side of the middle table; the compression-resistant assembly comprises two U-shaped reinforcing plates and two triangular reinforcing plates, the tops of the two U-shaped reinforcing plates are fixedly connected with the bottom of the first contact table, damage to equipment and ores caused by single-time impact is reduced, the speed generated by gravity in the falling process of the ores is reduced, a rubber batten has elasticity and flexibility, and the service life of the rubber batten is prolonged. When ore is in contact with the rubber battens, the rubber battens can absorb kinetic energy of the ore through elastic deformation of the rubber battens, impact force between the ore and equipment is relieved, counter-acting force opposite to the falling direction of the ore is generated, and therefore the falling speed of the ore is reduced.

The utility model relates to an efficient and environment-friendly machine-made fine sand production system which comprises a bar type feeder, a screen feed opening of the bar type feeder is connected to a linear vibrating screen I, and a screen feed opening of the bar type feeder is connected to a jaw crusher; a feed opening of the jaw crusher and an oversize feed opening of the linear vibrating screen I are connected to the intermediate crushing cone crusher, and a feed opening of the intermediate crushing cone crusher is connected to the linear vibrating screen II; screen discharge ports of the linear vibrating screen I and the linear vibrating screen II are connected to a trough type sand washer, a clean sand outlet of the trough type sand washer is connected to a rod mill, and a discharge port of the rod mill is connected to a high-frequency dewatering screen. A slurry outlet of the groove type sand washer and a slurry opening of the high-frequency dewatering screen are sequentially connected to a high-efficiency thickener and a plate-and-frame filter press. The dry-wet combined sand making process system is high in sand forming rate, quality indexes such as mud content, water content, grading and stone powder content of finished product sand can be well controlled in the sand making process, and the quality of finished product machine-made fine sand is improved.

This application relates to the field of earthwork turning and drying, and in particular to an earthwork turning and drying device and method, including an earthwork turning and drying device and a turning and drying method. The turning and drying device includes a rake mounted on a vehicle body, a grabbing mechanism, a grabbing drive, a crushing mechanism, a crushing mechanism movement drive, a drying mechanism, and a turning mechanism. The turning and drying method includes screening, grabbing large soil clods, crushing soil clods, drying, primary drying, mixing, and secondary drying. The earthwork turning and drying device provided by this application uses a rake to screen the earthwork, uses a crushing mechanism to crush large soil clods, and uses a drying mechanism to dry the earthwork, which facilitates the evaporation of moisture in the earthwork and improves the turning and drying efficiency.

The invention relates to the technical field of production quality traceability, in particular to a barite powder production quality traceability-oriented data fusion method and a barite powder production quality traceability-oriented data fusion system. The method comprises the following steps: collecting mineral parameters of barite ores in raw ore sampling points as raw ore batch data; collecting monitoring data of the crusher; according to raw ore batch data and crusher monitoring data, the granularity change condition of barite is determined; collecting control data of the grinding device; determining the grain size refining condition of the barite according to the control data of the grinding device and the grain size change condition of the barite; dry packaging control data and packaging weighing results are collected; calculating the final particle size of the product based on the barite particle size refining condition, the drying packaging control data and the packaging weighing result; predicting a target quality index according to the final granularity of the product; and comparing index differences between the target quality index and the actually obtained quality inspection data of the finished product one by one so as to execute difference traceability. According to the invention, the quality controllability and tracing efficiency of barite powder production can be improved.

The utility model discloses a ditching and fertilizing device for planting, which comprises a mounting plate, a fertilizing mechanism is arranged at the bottom of the mounting plate, supporting legs are arranged at the bottom of the mounting plate, a soil covering mechanism is arranged on the inner side of the supporting leg on one side, and a crushing mechanism is arranged at the bottom end of the supporting leg on the other side. And the crushing mechanism and the fertilizing mechanism are provided with a transmission mechanism. According to the utility model, the crushing mechanism is arranged and can be linked through the fertilization mechanism and the transmission mechanism, and the crushing wheel is driven to perform pre-crushing treatment on the ground, so that the adjustable ditching structure performs ditching operation on the land, and the pre-crushing treatment is adopted, so that the soil is looser; furthermore, the adjustable ditching structure can move more quickly for ditching, the ditching efficiency is greatly improved, meanwhile, through belt transmission linkage, only one group of driving mechanism is needed, the equipment cost is saved, the electric energy is saved, and the use efficiency of the adjustable ditching structure is higher.

The invention provides a fan blade multi-stage crushing device which comprises a first-stage belt conveyor, a first-stage shredding machine, a second-stage belt conveyor, a second-stage shredding machine, a third-stage belt conveyor and a crusher which are sequentially arranged, and the first-stage belt conveyor, the second-stage belt conveyor and the third-stage belt conveyor are all obliquely arranged; the shredding machine comprises a feeding hopper, a shredding bin and a discharging hopper, two cutting rollers meshed with each other are connected into the shredding bin, the discharging granularity of the second-stage shredding machine is smaller than that of the first-stage shredding machine, and the smashing machine is arranged below the discharging end of the third-stage belt conveyor. By arranging the multi-stage belt conveyors and the shredding machine, the fineness of particles crushed by the fan blades can be improved, the subsequent separation operation of light materials and heavy materials is facilitated, the working efficiency is improved, and the crusher cannot be damaged.

The utility model relates to the technical field of waste recycling, and discloses a film trimming waste recycling structure which comprises a support which is a device body and used for supporting a device, a smashing assembly which is arranged on the top of the support and used for smashing and recycling waste, and a feeding assembly which is arranged on the top of the support and used for feeding the waste. The feeding assembly is arranged on the outer wall of the smashing assembly and used for transporting thin film waste, the smashing assembly comprises a fan and a smashing machine, the fan is arranged on the outer wall of the support, and the smashing machine is arranged on the top of the support. According to the utility model, when the thin film waste is crushed, wind power is guided into the venturi, so that a siphon reaction is triggered, the waste at the bottom of the venturi can be guided into the crusher to be crushed, and then crushed particles are discharged through the fan; the problem that in the prior art, when waste is recycled, a crusher needs to be independently placed, and consequently cost is increased is solved, cost expenditure is reduced, and working efficiency is improved.

A testing device for measuring oil, gas and water contents in rock has a heating desorption unit that has a sample chamber for placing a rock sample to be detected, a crushing mechanism arranged within the sample chamber, and a heating mechanism. The heating desorption unit crushes and heats the rock sample in a sealed manner to achieve gas analysis and desorption analysis of oil and water contained therein, thus obtaining components to be detected. The device further has a cold trap collection unit in communication with the sample chamber, a light hydrocarbon capture unit in communication with the cold trap collection unit, a gas measuring unit in communication with the light hydrocarbon capture unit for measuring and calculating a gas volume; and a central control unit for controlling the testing device.

The invention discloses an architectural ceramic wetting and powdering production system, which relates to the technical field of ceramic production systems, and comprises two main process links of dry grinding and fine powder wetting, and wet ball milling and fine powder wetting. Wherein dry grinding comprises a raw material storing and batching device, raw materials in the raw material storing and batching device are classified through dry and wet raw materials, hard stone raw materials are fed into a column crusher to be crushed, and a vertical mill or a dry ball mill is selected according to the comprehensive moisture difference of the raw materials in the formula; a feeding machine in the wet ball milling is communicated with a wet ball mill, the wet ball mill is communicated with a slurry tank, and powder in the slurry tank is treated to obtain dry fine powder; fine powder wetting comprises a wetting tower, powder of the wetting tower is fed into a drum screen, and the drum screen feeds the powder into a self-flowing type powder waking bin. According to the invention, the selection of the vertical mill or the dry ball mill can be determined according to the water content in the raw material formula, and the dry fine powder is wetted by the wetting tower, so that compared with a traditional wetting mode, the wetting tower can more uniformly wet the dry fine powder.

The invention discloses an online monitoring method and device for an ore crushing and screening processing technology, and the method comprises the steps: deploying intelligent monitoring equipment at different technology nodes, and detecting the granularity data of ore in a manner of combining 3D vision with a deep learning model; analyzing by combining material quantity data to obtain a screen mesh damage condition and a screen mesh blockage condition of a screening machine used in the pre-screening process and the screening checking process; the material quantity data and the particle size data of the discharged materials of the medium crushing process and the fine crushing process are associated with the first association model and the second association model respectively, the real-time lining plate abrasion loss and the discharge port opening degree of the crusher of the medium crushing process and the fine crushing process are obtained, and the remaining service life is determined according to the real-time lining plate abrasion loss. And adjusting the discharge port of the crusher according to the real-time opening degree of the discharge port to enable the opening degree of the discharge port to reach the preset opening degree. According to the invention, full-process quality monitoring and equipment state feedback can be realized, so that the production is more intelligent.

The utility model relates to the technical field of crushers, in particular to a hammer crusher. The device comprises a shell, and a feeding port and a discharging port are formed in the shell; the rotor hammer seat is rotationally arranged in the shell, and a plurality of hammer heads are arranged on the rotor hammer seat; the movable support is movably arranged on the shell, and the side, close to the hammer head, of the movable support is provided with an impact beating plate used for bearing materials beaten out by the hammer head; the adjusting mechanism is arranged on the shell and used for adjusting the size of a crushing gap between the movable support and the hammer head, the adjusting mechanism and the movable support are provided with a movable installation assembly in a matched mode, and the movable installation assembly is used for absorbing the corner difference generated by the movable support and the adjusting mechanism when the movable support rotates around the hinged position. The size of the crushing gap between the impact beating plate on the movable support and the hammer head is adjusted through the adjusting mechanism, and the problems that the crushing effect is poor and the crushing gap adjusting range is very small due to the fact that the crushing gap is enlarged due to abrasion of the impact beating plate and the hammer head are solved.

The invention belongs to the technical field of road maintenance machinery, and particularly relates to a material rotary crushing device and crusher. The device comprises a main support which is connected with a swing arm used for driving the main support to swing up and down, and the two sides of the main support are connected with supporting legs; the first box body is in sliding connection with the main bracket along the vertical sliding rail; the second box body is rotationally connected with the first box body, and a horizontal sliding rail is arranged on the second box body; the transverse moving support is in sliding connection with the horizontal sliding rail; and a milling device is mounted on the base. The milling device can be driven to horizontally move by sliding the transverse moving bracket along the horizontal sliding rail, so that the size of the operation radius is adjusted; the swinging arm swings to drive the main support to descend so that the supporting legs can make contact with the ground, the first box body moves along the main support to drive the milling device to move to a proper depth, and then the second box body is driven to rotate so that the milling device can be driven to rotate. According to the invention, the pavement in the operation area can be entirely broken and dismantled, and manual breaking and dismantling are not needed.

The utility model belongs to the technical field of crushing, and particularly relates to a dragon cyclone crusher production line which comprises a dragon cyclone crusher body, a grader and a dust remover, the grader is provided with a feeding end, a first discharging end and a second discharging end, and a discharging pipe of the dragon cyclone crusher body is connected with the feeding end of the grader; a first discharging end of the grader is connected with a feeding pipe of the dust remover; according to the dragon cyclone crusher production line, crushing of the materials in the cavity is differentiated, over-crushing of the materials reaching a certain size fraction can be reduced, and finally the production line combining the dragon cyclone crusher, the grader and the dust remover produces the least over-crushed materials.

The invention relates to the technical field of concrete crushing, and discloses a recycled concrete crusher which comprises a conveying pipe, a guide plate is arranged at the top of the conveying pipe, an annular side plate is fixedly mounted on the outer surface of the guide plate, a conical top plate is fixedly mounted at the top of the annular side plate, and screening holes are formed in the top of the conical top plate. The screening holes are formed in an annular array mode, and a material stopping conical barrel is fixedly installed at the bottom of the annular side plate. After concrete blocks subjected to primary crushing are poured into a second feeding barrel, the concrete blocks mixed with fine concrete chippings can enter the position above a material guide plate through a material screening hole in the top of a conical top plate, slide into a material conveying pipe under the action of an inclined plane, and then fall into the material conveying pipe at the top of a material falling conical plate; and therefore, concrete chippings generated after primary crushing are separated from concrete blocks with large sizes, the situation that the concrete chippings enter the crushing cavity to affect the crushing efficiency of the concrete blocks is avoided, and the reliability of the device is improved.

The invention provides a transmission device and a low-dust crusher, and belongs to the technical field of transmission. In the transmission device, a first bevel gear is connected to a first shaft body. The second bevel gear and the third bevel gear are both arranged on the second shaft body. And the second bevel gear and the third bevel gear are engaged with the first bevel gear. The first ratchet wheel and the second ratchet wheel are connected to the second shaft body. The second bevel gear is provided with a first rotating column, and the first rotating column is connected with a first pawl to form a first ratchet mechanism. The third bevel gear is provided with a second rotating column, and the second rotating column is fixedly connected with a second pawl to form a second ratchet mechanism. The ratchet directions of the first ratchet wheel and the second ratchet wheel are the same, so that when the first shaft body acts, only one of the second bevel gear and the third bevel gear can drive the second shaft body. The two driving modes of bidirectional driving and one-way driving are integrated, the structure is more compact, meanwhile, close cooperation of the two driving modes is achieved, and the cooperative control difficulty is lowered.

The utility model relates to the field of crushing equipment, in particular to a heavy impact crusher structure which comprises a machine shell and a rotor assembly rotationally connected to the interior of the machine shell and further comprises an impact assembly installed in the machine shell, the rotor assembly comprises a rotating frame, a plate hammer and a wedge block, the rotating frame is rotationally connected to the machine shell, and the wedge block is arranged on the rotating frame. The rotating frame is provided with a mounting groove penetrating in the rotating axis direction of the rotating frame, one side of the plate hammer is inserted into the mounting groove, the wedge block is located in the mounting groove and abuts against the plate hammer, the wedge block is provided with a driving inclined face, and the driving inclined face abuts against the side wall of the mounting groove. The driving inclined face inclines in the direction close to or away from the plate hammer in the direction parallel to the rotating axis of the rotating frame, and the wedge block can be made to be close to the plate hammer by sliding the wedge block in the axis direction of the rotating frame. The crusher has the effect of improving the operation stability of the crusher.

The invention relates to the technical field of blasting damage testing, in particular to a concrete crushing effect testing method based on a fiber bragg grating measurement method, which comprises the following steps: step S1, a sensor laying step: one or more fiber bragg grating sensors are pre-buried in a concrete test piece or mounted on the surface of the concrete test piece; s2, a load applying step: pouring a static crushing agent into a blast hole formed in the concrete test piece, and applying a static crushing load; s3, a data synchronous acquisition step: passing through an optical fiber sensing analyzer; according to the invention, fiber grating sensor networking is adopted, high-frequency synchronous data acquisition is carried out, transparent observation of the blasting damage process is realized through intelligent analysis of feature points on a strain / displacement time travel curve, a complete dynamic sequence of cracks from crack initiation and expansion to penetration can be quantified, a black box in the process is thoroughly broken, and the blasting damage rate is improved. And a whole-process data support is provided for researching a concrete crushing mechanism.

The invention belongs to the technical field of crushing equipment, and particularly provides a concrete crushing and screening device and a recycled asphalt concrete production process. The concrete crushing and screening device comprises a multi-stage vibrating screen, a first-stage crusher and a second-stage crusher, and the multi-stage vibrating screen can screen concrete materials into at least three types according to the particle size in advance. In the working process, powder materials which do not need to be crushed repeatedly are directly discharged through the corresponding discharging ports and do not enter the first-stage crusher and the second-stage crusher any more, energy consumption is reduced, and excessive crushing is avoided. Coarse aggregate with large particle size firstly enters the primary crusher through the corresponding discharge port, and then enters the secondary crusher through the discharge channel for secondary crushing. The graded crushing design ensures that the coarse aggregate is fully crushed, the mixing of substandard aggregate or powder materials in a final product is reduced, and the grading uniformity of the recycled aggregate and the quality stability of the product are improved.

The invention relates to the technical field of numerical simulation of rock dynamics, in particular to a numerical simulation method and system for the whole process of ore rock fracture based on FDEM impact loads.The method comprises the steps that a continuous medium structure is discretized into a finite element network composed of triangular units through FDEM, and an ore rock impact test model is constructed; setting material parameters and impact speed boundary conditions according to the ore rock impact test model; a normal contact force calculation model and a tangential contact force calculation model are established according to material parameters and impact speed boundary conditions, and coordinates and speed updating results of triangular unit nodes are obtained in combination with the Newton second law and the calculation models; and performing visual analysis based on the coordinate and speed updating result, and outputting crack propagation, stress field and energy evolution results under the impact load. The method can accurately simulate the crack propagation, the fracture mode and the energy evolution law of the ore rock under the impact load, quantitatively researches the crushing characteristics and the energy evolution law of the ore rock, and provides a calculation method for the research of the crushing mechanism of the ore rock.

The utility model relates to the technical field of crushing mechanisms of coal mining machines, in particular to a crushing mechanism of an impact shovel coal mining machine, which comprises a support arm, the support arm comprises a support part, one end of the support part is rotatably connected with a crushing roller, one end of the support part is rotatably provided with a protective plate, the top of the crushing roller is provided with a crushing cover, and the protective plate is arranged on the top of the crushing cover. The crushing cover is fixedly connected with the supporting part, and an intercepting mechanism is arranged at one end of the crushing cover. According to the utility model, the plurality of sleeves I are arranged on the rear side of the crushing roller, the sleeves II are arranged in the sleeves I in a sliding manner, the insertion rods are arranged in the sleeves II in a sliding manner, and the insertion rods, the sleeves I and the sleeves II form an interception rod which is arranged behind the crushing roller, so that when large-size coal briquettes are conveyed to the position of the interception rod along with the conveyor, the large-size coal briquettes can be intercepted; and the intercepting rod prevents large-size coal briquettes from passing through the intercepting rod, so that the large-size coal briquettes can be fully crushed, and the phenomenon that the conveyor conveys the coal briquettes which are not fully crushed to the bottom of the coal mining machine to cause blockage is prevented.

The invention relates to the technical field of large steel casting manufacturing, and discloses a crusher rack set for mining machinery and a casting method of the crusher rack set. The rack set comprises a cast steel body and a functional gradient reaction framework which is arranged in the cast steel body in advance and forms metallurgical bonding. The framework is made of refractory metal alloy, and an A area and a B area are divided on the framework. The area A is arranged at the heat accumulation core of the casting and is provided with a strong reaction coating on the surface; the area B extends outwards from the area A, and the surface of the area B is provided with a high-thermal-conductivity ceramic coating. The method comprises the steps of preparing the framework, installing the framework in a casting mold cavity, and then carrying out molten steel pouring and heat treatment. In-situ forced nucleation is initiated at the core of the casting through the strong reaction coating of the area A, a heat conduction path from inside to outside is established by means of the high heat conduction coating of the area B, and sequential solidification of the casting is achieved, so that defects such as shrinkage porosity and shrinkage cavities are effectively transferred, the density and uniformity of the internal structure of the casting are improved, and the casting quality is improved. And the overall mechanical property of the rack set is improved.

The utility model discloses a building waste secondary crushing device, and belongs to the field of building waste crushing. Comprising a first crusher, a second crusher, a first conveying part and a second conveying part, the first crusher is used for bearing building waste to be crushed; the first conveying part is arranged between the first crusher and the second crusher, one part of the first conveying part is connected with a discharge port of the first crusher, and the other part of the first conveying part is connected with a feed port of the second crusher; the second conveying part is connected with a discharge hole of the second crusher and comprises a first crusher, the second crusher, a first conveying part and a second conveying part; the first crusher is used for bearing building waste to be crushed; the first conveying piece is arranged between the first crusher and the second crusher, and one part of the first conveying piece is connected with a discharge port of the first crusher.

The application relates to the technical field of pyrophyllite processing, in particular to a crusher for pyrophyllite processing, which comprises a whole support support, the inner wall of the whole support support is provided with a crushing cylinder main body, and the crushing cylinder main body is arranged in an inclined mode. The crusher for pyrophyllite processing is characterized in that a hydraulic device brings a ring-shaped pressing plate to move downward to press the crushing plate group, the adjacent crushing plates in the crushing plate group can compress the return springs in the corresponding two crushing plates, the distance between the two adjacent crushing plates is reduced, and the pyrophyllite between the two crushing plates is crushed, the crushed pyrophyllite gradually falls through the first through hole, the second through hole, the third through hole and the fourth through hole with smaller and smaller hole sizes, the pyrophyllite pieces containing other impurities which are larger than the hardness of the pyrophyllite cannot be completely crushed due to the large hardness, therefore, the pyrophyllite pieces containing impurities are left in the corresponding spaces of the crushing plate group according to the volume, and the crushed pyrophyllite is discharged through the discharge port.

The invention discloses an early warning method and an early warning device for coal blockage of a crusher. The early warning method comprises the following steps: S1, acquiring a current signal of the crusher and coal flow rate information, coal accumulation information and adhesive layer thickness information in the crusher; s2, determining risk grade information of coal blockage of the crusher based on the current signal, the coal flow rate information, the coal accumulation information and the adhesive layer thickness information; and S3, a corresponding early warning signal is sent out based on the risk level information, and the crusher is correspondingly processed according to the early warning signal. According to the early warning method for coal blockage of the crusher, early warning can be performed in time at the early stage of coal blockage, and coal blockage is intervened, so that the risk of coal blockage at the later stage can be reduced, and the non-planned downtime caused by coal blockage can be shortened; meanwhile, the utilization rate of equipment can be increased, and the production efficiency is improved; the conditions of misjudgment and missing report are reduced; manual intervention is reduced, and labor cost is reduced.

The invention relates to the field of wear resistance detection, in particular to a jaw crusher lining plate wear resistance detection device which comprises a detection platform, a front vertical frame is fixedly installed on the front portion of the upper end of the detection platform, a rear vertical frame is fixedly installed on the rear portion of the upper end of the detection platform, and a bearing shaft is fixedly installed between the front vertical frame and the rear vertical frame in a penetrating mode. A swing frame is rotatably mounted on the outer surface of the bearing shaft, a detection plate is fixedly mounted at the front end of the swing frame, an annular frame is rotatably mounted on the outer surface of the bearing shaft and located behind the swing frame, a reset part is arranged between the annular frame and the detection platform, and a control gear ring is fixedly mounted at the end of the annular frame. According to the invention, the wear strength of the arc-shaped jaw plate in a normal working state can be simulated, the accuracy of wear resistance detection is effectively improved, the arc-shaped jaw plate is ensured not to shift in the detection process, and the detection plate is ensured not to be hindered by the tooth pressing lug during movement.

The invention provides an ultrasonic vibration crushing and screening integrated device for rock particles, and relates to crushing and screening equipment. The ultrasonic crusher comprises a first ultrasonic transducer, a crushing head and a material cup, the material cup comprises an outer cup and an inner cup, and the two opposite sides of the outer wall of the outer cup are each provided with an upper sliding rod and a lower sliding rod; an ultrasonic screening machine; the turnover mechanism comprises two turnover assemblies, each turnover assembly comprises a lifting block and a guide rail plate, each lifting block is movably connected with an upper sliding rod, a sliding groove is formed in each guide rail plate, and each sliding groove is provided with a V-shaped lateral deviation groove and a guide block; and the driving mechanism enables the two lifting blocks to descend to drive the material cup to descend, and when the lower sliding rod slides to the lateral deviation groove, the upper sliding rod continues to slide along the sliding groove to drive the material cup to turn over, so that crushed rock particles are poured into the screen. The device has the beneficial effects that seamless connection of fine crushing and screening of rock particles is achieved, and the device has the remarkable advantages of being high in product fineness, efficient and low in consumption.

This invention discloses a metal waste recycling and processing device and its usage method, relating to the field of metal recycling technology. It includes a machine base, an installation box mounted on top of the machine base, a feeding hopper mounted on top of the installation box, a crusher installed inside the installation box, and two rollers rotatably mounted inside the crusher. A torque sensor is rotatably connected to the outer right end of the rear roller, and a high-torque motor is installed at the right end of the rear roller. An abutment block is installed on the outer side of both the front and rear rollers. This invention features an abutment block; when the hardness of the metal material is high, leading to increased roller torque and bearing friction, a pusher block drives the abutment block to press against the roller along a slide block, cooperating with the inner rollers to provide support force compensation for the roller, reducing relative bearing friction. When the pusher block moves upward, it simultaneously contacts the oil pusher plug, squeezing lubricating oil which is then delivered to the oil tank via a hose, achieving simultaneous support force compensation and lubrication protection.

The invention relates to the technical field of material crushers, and discloses a four-shaft integrated ton bag caked material crusher which comprises a rack, a crushing box is fixedly connected to the rack in a penetrating mode, a bag breaking device is arranged in the crushing box, a plurality of crushing shafts are rotatably connected to the crushing box in a penetrating mode, and a fixing shaft is arranged between every two adjacent crushing shafts. A filter screen is arranged in the crushing box, a driving assembly is fixedly connected to one side of the rack, and an overhauling platform is fixedly connected to the rack. By means of the integrated design, manual bag breaking and material transferring links are omitted, the four-shaft meshing breaking efficiency is improved by 50% or above compared with double-shaft equipment, the material handling capacity of a ton bag can reach 5-35 t / h, and the large-scale industrial production requirement is met.