58results about How to "Easy and quick pass" patented technology

The invention provides a multi-circulation type crushing device for quartz sand processing, and belongs to the technical field of quartz sand processing crushing, the multi-circulation type crushing device for quartz sand processing comprises a box body, two connecting shafts which are distributed up and down are rotatably connected in the box body, the periphery of each connecting shaft is fixedly connected with a plurality of crushing hammers which are uniformly distributed, and the crushing hammers are arranged in the box body. The outer end of each connecting shaft is fixedly connected with a first motor, and the first motors are fixedly connected with the box body. According to the quartz sand crushing device, the filter screen plate is arranged, and the crushing hammers are arranged on the upper side and the lower side of the filter screen plate, so that quartz sand can be crushed for multiple times, the crushing effect is improved, the U-shaped plate can be driven to move in the box body under the driving of the transmission assembly, and the U-shaped plate pushes the quartz sand close to the inner wall of the box body to flow; and quartz sand is prevented from being accumulated on the inner wall of the box body and is prevented from being in contact with the crushing hammer, so that the crushing hammer can fully crush the quartz sand, and the crushing effect is further improved.

The utility model discloses coal gangue sorting device relates to the field of sorting, including frame, the frame is installed with the feed end, the inner wall of feed end is installed with the crushing roller for carrying out the crushing of coal mine and gangue, the inner wall of frame is installed with the magnetic separation conveyer belt of carrying out the conveying of the coal mine and gangue after crushing, the inner wall of frame is slidably provided with screen cloth, the inner wall of frame is installed with the dredging assembly of dredging screen cloth, the utility model discloses the crushing roller of feed end can evenly break the coal mine and the gangue on the gangue to the same granularity, simultaneously, the application of magnetic separation conveyer belt has realized the quick sorting of the material after crushing, has effectively distinguished the gangue of rich magnetic substance and the coal mine of lower magnetic substance content, has improved the sorting efficiency.

The utility model discloses a screening device for crayfish feed production, and relates to the technical field of feed production devices. The crayfish feed screening device comprises a screening box and further comprises a main body part which is installed on the screening box and used for screening crayfish feed. The collecting part is arranged in the screening box and used for collecting the large feed in a centralized mode; the screening part is arranged on the screening box and is matched with the main body part, so that the feed is uniformly distributed on the main body part; wherein after the crayfish feed is poured into the main body part, the screening part is started, so that the crayfish feed is uniformly distributed on the main body part. According to the screening device for crayfish feed production, the collecting part is arranged, so that the problems that in the using process of an existing screening device for crayfish feed production, large feed is inconvenient to collect in a centralized mode and scattered in different areas of the screening device, repeated manual cleaning and transferring are needed, the operation process is increased, and the overall production efficiency is affected are solved.

Embodiments of the present application provide a battery pack and an electric device with the battery pack. The battery pack comprises a housing assembly, a first connecting member and a cell assembly. The housing assembly has a first space. The housing assembly is provided with a first opening and a second opening communicating with the first space. The first connecting member is accommodated in the first space. The first connecting member is provided with a first channel. The first opening and the second opening communicate through the first channel. At least part of the cell assembly is arranged in the first space. In a first direction, projections of the first opening and the second opening are separated from a projection of the cell assembly. The first direction is a stacking direction of cells in the cell assembly. Heat of the cell assembly of the battery pack flows in the first channel through external air and is dissipated to the external environment, thereby improving the heat dissipation efficiency of the cell assembly.

The utility model provides a novel box pasting machine anti-sticking material collecting device which comprises a box pasting assembly, a conveying assembly, a material stacking assembly, a detection assembly and a material collecting assembly are sequentially arranged on one side of the box pasting assembly, the detection assembly is composed of a detection rack and a side plate, and the side plate is fixedly installed on the inner wall of the top of the detection rack; a paperboard conveying mechanism is arranged in the detection rack, a discharging mechanism is installed on the inner wall of a side plate, the material collecting assembly is composed of a box body, a frame plate of a square structure is fixedly installed in the box body, the top face of the frame plate is connected with a tipping bucket in an attached mode, and the tipping bucket is rotationally connected with one side of the box body. Carton conveying after box pasting is achieved through the conveying assembly, carton collection is conducted through the stacking assembly, carton storage is achieved through the collection assembly, products are dried in the collection assembly, adhesion between boxes is prevented, the tipping bucket is arranged and can be used for discharging the dried cartons, rapid discharging is achieved, and the machining efficiency can be improved.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

The utility model discloses a fire vehicle -mounted electric rubber dinghy platform relates to fire equipment field, including bottom plate, electric capstan and manual capstan, and the bottom plate top one side is hinged with the storage platform through the rotating shaft, and the bottom plate, electric capstan and manual capstan are all installed at the top of the external fire engine, and the bottom plate includes bottom plate main part, and one side fixed connection of bottom plate main part has hydraulic rod, and hydraulic rod is equipped with two groups and is fixed at one side of bottom plate main part, and electric capstan includes capstan main part, and this platform can utilize the bundle rope and fix electric rubber dinghy on the storage platform surface, when using, can manually rotate and lift the storage platform, utilizes electric capstan to spread the storage platform, and the unfolded storage platform is contacted with the ground, and the fireman is convenient to take down electric rubber dinghy and uses, and the whole operation process is fast and efficient, can all -round improve the efficiency, safety and adaptability of water area rescue action, better guards the life and property safety of the people.

The utility model relates to soil collection technical field, concretely is a kind of sampling separator of solid waste in soil.The separator includes chassis, the support ring of sliding connection in chassis, the annular guide rail of clamping in support ring, the grid net fixed in annular guide rail and the soil turning mechanism through grid net.The soil turning mechanism contains support disc, transmission shaft and overturning assembly with arc-shaped turning plate, and power mechanism drives transmission shaft to drive arc-shaped turning plate revolution and rotation soil turning.Vibrator drives support ring vibration to make soil screen through grid net, and solid waste is retained on the screen face.Sliding plate can be designed as triangular, trapezoidal or semicircular metal sheet, and slidingly connected with annular guide rail.Separate solid waste through soil turning and vibration synergistic effect, avoid soil state change, improve detection accuracy.

The utility model relates to the technical field of stirring device provides a kind of stirring device for building thermal insulation material production, it includes: mounting table;Stirring bucket, it is rotatably installed in the upper end of mounting table, its inside is provided with stirring part;Blanking barrel, it is communicated and is provided in the upper of stirring bucket, its inside is provided with pretreatment part;Cleaning frame, it is rotatably installed in the below of blanking barrel, its one end is abutted and is provided in the lower end surface of pretreatment part;Wherein, the cleaning frame is fixedly connected with stirring bucket, can rotate synchronously with stirring bucket.The utility model improves material adaptability by multistage pretreatment, comminuting blade can adjust speed adaptation different form raw material, sieve hole can be replaced with material leakage frame shaking amplitude, compatible multiple thermal insulation materials.Meanwhile, triple anti-blocking mechanism synergistic effect: constant-temperature barrel temperature control reduces viscosity, material leakage frame high-frequency shaking breaks bridge, cleaning frame drives brush to clean residual, effectively reduce the device plugging rate, reduce the time of shutdown cleaning, substantially improve production efficiency and continuity.

The application provides a simplified shield tail for a tunnel rescue shield machine and a use method thereof, and belongs to the field of collapsed body drilling rescue. The simplified shield tail comprises an annular shield tail body, a limiting part fixing base arranged on the outer wall of the annular shield tail body in a circumferential direction, and a limiting part arranged on the limiting part fixing base. The limiting part is arranged on the limiting part fixing base in a circumferential direction of the annular shield tail body, and one end of the limiting part extends to the inner side of the annular shield tail body through the tail end of the annular shield tail body to limit the segment in the annular shield tail body. A bottom rail is arranged on the bottom of the tunnel rescue shield machine and the annular shield tail body in the length direction of the tunnel rescue shield machine, and the annular shield tail body is fixedly connected with the bottom rail. The problems of the bulky structure design of the conventional shield tail of the shield machine and the certain obstruction to the smoothness of the tail of the shield machine are solved, and rescue is affected.

The utility model relates to the technical field of rice noodle screening, and provides a screening device for rice noodle production, which comprises a shell, a main rod is rotatably connected in the shell and extends out of one end, two driven cranks are fixedly sleeved on the outer surface of the main rod, and one end of each driven crank far away from the main rod is rotatably connected with a connecting rod. And shaft blocks are rotationally connected to the ends, away from the driven cranks, of the connecting rods, adjusting plates are fixedly connected to the tops of the two shaft blocks, wedge blocks are fixedly connected to the two sides of each adjusting plate, and wedge grooves are formed in the two sides of the inner surface of the shell. The rice flour screening device is provided with a vibration amplitude adjustable structure, meets screening requirements of different production stages and different material characteristics, achieves more accurate screening by flexibly adjusting vibration intensity, is suitable for screening rice flour which is hard in texture and not prone to breakage, enables the rice flour to rapidly pass through a screen mesh, reduces fine flour residues, and improves screening efficiency. Soft or fine rice flour is processed, and the yield is increased.

A high-silicon copper-containing calcine leaching residue resource utilization method, comprising: mixing high-silicon copper-containing calcine leaching residue with solid strong alkali, roasting at 140-160 DEG C, obtaining roasting alkali residue; the roasting alkali residue is added with calcium oxide and water to carry out concentrated alkali leaching, solid-liquid separation, obtaining alkali leaching residue and alkali leaching liquid; the alkali leaching liquid is added with a sulfidation agent to precipitate copper, obtaining copper precipitation residue and copper precipitation liquid; the copper precipitation liquid is added with calcium oxide to remove silicon, obtaining silicon precipitation residue and silicon removal liquid; copper is enriched in the copper precipitation residue; the "low-temperature roasting + concentrated alkali leaching" process of the application can effectively destroy the stable structure of high-silicon copper-containing calcine leaching residue, so that the copper wrapped by silicon is exposed, the chemical reaction of the high-silicon copper-containing calcine leaching residue leaching process is significantly strengthened, and the copper leaching rate can be greatly improved; the roasting temperature of the application is only 140-160 DEG C, which is much lower than the general alkali roasting temperature, the energy consumption is lower, the possible high-temperature injury is reduced, and the safety is higher.

The invention provides an anti-explosion robot, and relates to the technical field of robots, the anti-explosion robot comprises a machine body, a walking assembly and a control module; the machine body comprises a first cavity, a plurality of cavity mounting covers and a load mounting seat, the first cavity is provided with a plurality of first connecting ports, the load mounting seat is in threaded connection with one first connecting port, and the rest first connecting ports are in threaded connection with the cavity mounting covers; the walking assembly comprises a buffer module, a steering module, a steering driving module, a tire module and a walking module; the control module is located in the first cavity and electrically connected with the steering driving module and the first driving unit. The anti-explosion robot is small in size, high in universality and capable of effectively improving the maintenance efficiency.

The invention discloses a preparation process of a stainless steel water tank integrating water filtering, and belongs to the field of kitchen utensil manufacturing. The process aims at solving the problems that an existing water tank needs to depend on an external filter basket and is inconvenient to use and difficult to clean. The core of the method is that after a water tank main body is formed, laser micro-texture pretreatment, preparation of a porous metal ceramic transition layer through atmospheric plasma spraying and preparation of a polymer precise filter membrane through ultrasonic spraying and sintering are sequentially performed on a water filtering functional area preset at the bottom of the water tank, and super-hydrophobic modification and edge sealing are performed on the filter membrane. By constructing a gradient composite functional structure of the high-strength porous transition layer, the precise microporous filter membrane and the super-hydrophobic surface, an efficient and durable physical filtering function is permanently integrated into the water tank body for the first time, and an external filter basket is replaced. The obtained water tank product has excellent filtering efficiency, extraordinary durability, extreme easy-to-clean property and good water permeability, and the integrated innovation of the function and the structure of the water tank is realized.

The application belongs to the technical field of communication construction, and particularly relates to a pay-off device for communication construction. In view of the problem that the existing communication wiring equipment cannot stably fix various specifications of cable rollers, the following scheme is proposed, which comprises a fixing base, a fixing plate vertically arranged and welded and fixed at the top of the fixing base, a guide wire disc fixing frame slidably connected to the inner wall of one side of the fixing base, the fixing base being fixed at the top position through bolts, and a driving machine box fixed at the middle position of one side of the fixing plate through bolts. The electric push rod can push out the supporting plate and contact the inner wall of the wire roller disc, so that the wire roller disc can be stably fixed.

The utility model discloses an alloy steel shot granulating device, which relates to the technical field of granulating machines, and comprises a granulating machine and a screening mechanism at the upper end of the granulating machine, the screening mechanism comprises a separation assembly, a box body arranged on one side of the granulating machine and vertically slidably mounted on one side of the granulating machine, an upper grating and a guide rod fixed on the inner wall of the box body, and a lower grating fixed on the inner wall of the box body, a guide plate is transversely installed on the guide rod in a sliding mode, a lower grating is fixed to the upper end of the guide plate, gaps between the lower grating and the upper grating are arranged at intervals in a staggered mode, an inclined groove is formed in the lower end of the guide plate, and a transverse block is installed in the inclined groove in a sliding mode; the adjusting assembly is arranged at the front end of the box body and used for pushing the transverse block to move along the track of the inclined groove in the guide plate; and the screening component is arranged on one side of the granulator and is used for driving the box body to move up and down. The problems that most screening mechanisms of existing alloy steel shot granulation devices are difficult to directly adjust the screening particle size according to needs, related personnel need to replace screening tools during specific application, and time and labor are wasted are solved.

The utility model discloses an automatic water feeding and discharging mechanism in ultrasonic detection equipment, which relates to the technical field of product detection and comprises a water storage tank, a partition plate is arranged in the water storage tank to divide the water storage tank into an upper detection area and a lower closed area, and a communicating pipe is arranged in the lower closed area. One end of the communicating pipe hermetically penetrates out of the partition plate and extends into the upper detection area, and an air inlet pipe is arranged on the lower closed area, so that water in the lower closed area can be conveyed into the upper detection area through the communicating pipe when air pressure in the lower closed area is increased due to the fact that air is supplied into the lower closed area through the air inlet pipe. According to the utility model, the water storage tank is divided into the upper detection area and the lower closed area through the partition plate, and the communication pipe and the air inlet pipe are ingeniously matched, so that the automatic lifting of water under the change of air pressure is realized, and the automation degree and the operation convenience of the ultrasonic detection equipment are improved.

The utility model provides a graphite chuck and a Czochralski single crystal furnace, relates to the technical field of Czochralski single crystals, and is used for solving the problems of equipment complexity and difficulty in accurately covering the surface of a seed crystal in related technologies, the graphite chuck comprises a chuck body, the chuck body comprises a cylindrical part and an inverted cone frustum part which are connected, the cylindrical part is used for connecting a heavy punch, and the inverted cone frustum part is used for connecting a seed crystal; the inverted cone frustum piece is used for clamping a seed crystal; in the axial direction of the cylindrical part, the cylindrical part is provided with a first end face and a second end face which are opposite, the inverted cone frustum part is provided with a large bottom face and a small bottom face which are opposite, and the large bottom face is connected to the first end face and completely coincides with the first end face; a plurality of flow guide grooves distributed in the circumferential direction of the chuck body at intervals are formed in the peripheral wall of the chuck body, the flow guide grooves penetrate through the second end face from the small bottom face, and the flow guide grooves are distributed in a radial shape in the direction, facing the second end face, of the small bottom face. On the premise that an external argon gas supply system does not need to be transformed, the argon gas volume and the argon gas flow speed are increased, gas flow dissipation is avoided, and the argon gas utilization rate is increased.

The application discloses a multifunctional cutting device and a use method, which comprises a cutting platform, a cutting machine arranged on the cutting platform, a processing groove arranged on the cutting platform, an opening end of the processing groove facing a side surface of the cutting platform, a bottom surface of the processing groove being inclined, so that when a test piece is placed in the processing groove, an end of the bottom surface of the processing groove far from the cutting platform serves as a fulcrum, and a top surface of the processing groove serves as a limiting part, and the width of the top surface of the processing groove is smaller than the width of the bottom surface of the processing groove, one end of a fixing adjusting part penetrating through the top surface of the processing groove and extending into the processing groove to abut on the test piece, so that a lever balance structure is formed between the top surface of the processing groove, the test piece, the fulcrum and the cutting machine or between the fixing adjusting part, the test piece, the fulcrum and the cutting machine in the cutting process. The multifunctional cutting device can guarantee the cutting precision of the test piece, quickly complete the cutting of the test piece, and meet the cutting requirements of test pieces with different sizes or the same test piece for multiple times.

The purpose of this invention is to disclose a process for preparing highly absorbent brain cotton pads, relating to the field of brain cotton preparation technology, including the following steps: preparing a hydrophilic spunlace nonwoven fabric layer; mixing sodium polyacrylate superabsorbent resin powder and fluffy cotton fibers in a mass ratio of (3~5):1, and molding them by molding or air-flow web forming process to form a superabsorbent preform layer; laying the mesh layer on the surface of the superabsorbent preform layer; hot-pressing the mesh layer and the superabsorbent preform layer together by a first hot-pressing process to form a superabsorbent composite layer; laying annular development lines around the edge of the superabsorbent composite layer to form a superabsorbent intermediate layer; bonding the superabsorbent intermediate layer and the hydrophilic spunlace nonwoven fabric layers on its two surfaces together by a second hot-pressing process to obtain a brain cotton pad substrate; hot-pressing the edge of the brain cotton pad substrate by a third hot-pressing process to form annular hot-pressing zones. The beneficial effect is that the brain cotton pad can absorb no less than 4.5 times its own weight in blood or body fluids.

The utility model relates to a screening device technical field, concretely is a kind of powder high -efficient screening device, including support frame, the shape of support frame is L-shaped;Filtering assembly, the filtering assembly includes limit slot, the limit slot is opened in the top of support frame, the inside sliding connection of limit slot has connecting rod one, the side surface of connecting rod one is fixedly connected with several connecting rod two and several connecting rod two is annular array distribution.This powder high -efficient screening device, when carrying out filtering work to powder, staff can start motor one, so that elastic ball can produce high-frequency vibration, so that elastic ball can transmit high-frequency vibration to filter screen in uniform and stable mode, so that powder particle will be subjected to vertical and horizontal direction's compound impact force, make originally close gathering powder particle regain the ability of free dispersion, to make the flowability of powder on screen significantly enhance, can be more smoothly, quickly pass through sieve hole, improve screening efficiency.

The utility model discloses a wood code spraying auxiliary positioning device which comprises a base, a first supporting seat and a second supporting seat are arranged on the base in parallel, a guide groove is formed in the second supporting seat, and a guide rod and a lead screw are arranged between the first supporting seat and the second supporting seat in parallel. The guide rod and the lead screw are correspondingly connected into a guide hole and a threaded hole of the movable seat, one end of the lead screw is connected with a motor, an L-shaped shell is installed on the movable seat, limiting assemblies are symmetrically distributed in the L-shaped shell, and each limiting assembly comprises a clamping block. The code spraying device is scientific and reasonable in structural design, the motor drives the lead screw to rotate, then the moving seat is driven to move on the guide rod and the lead screw, wood can rapidly and stably pass through the guide groove and is matched with the code spraying device to achieve continuous code spraying, and the code spraying efficiency is greatly improved; and the wood is accurately clamped and positioned through the clamping blocks, so that the accuracy of the code spraying position is ensured.

This invention provides a lightweight double-track arc-shaped connecting section and a car structure, including a circular track and an arc-shaped entry track connected to the circular track. The arc-shaped entry track and the circular track support a corresponding car. The inner ring of the circular track is lower in height than the outer ring. An inner support ring with an annular structure is provided on the inner side of the circular track. The inner support ring includes a profile with a rectangular cross-section and a recessed limiting groove on one side. The car includes a body, and a hydraulic cylinder is fixedly connected inside the body. A telescopic rod is fixedly connected to the output end of the hydraulic cylinder, and a support wheel is provided at the other end of the telescopic rod, with the support wheel rollingly engaged in the limiting groove. This invention improves the flexibility of the car's movement on the track.

This utility model discloses an anti-winding impeller for a submersible pump, comprising an impeller, an upper cover plate, blades, and a lower cover plate. The upper cover plate is disposed above the blades, and the blades are disposed above the lower cover plate. A flow hole is provided in the center of the lower cover plate. Six blades are arranged in a ring at intervals. Each blade is an arc-shaped plate, with a chamfered end facing the center of each blade. A long blade is fixedly installed at the center-facing end of each blade. A conveying cylinder is disposed below the impeller and is fixedly connected to the lower cover plate. This design achieves the anti-winding capability of the impeller, increases its practicality, and solves the problem that during the operation of a submersible pump, the impeller is easily entangled by long fibers, hair, and other impurities in the medium, causing impeller rotation to be obstructed, pump flow rate to decrease, and even potentially burning out the motor, affecting the normal operation and service life of the pump.

A lithium-mediated electrochemical method for ammonia synthesis, relating to the field of ammonia synthesis technology, solves the technical problems of severe side reactions, limited nitrogen mass transfer, and poor interfacial stability in existing lithium-mediated ammonia synthesis systems. Tetra(4-formylphenyl)porphyrin iron and an amino-containing multifunctional organic ligand are added to a mixed solvent of n-butanol and o-dichlorobenzene. An acid catalyst is added, and after stirring until homogeneous, the mixture is degassed and sealed for reaction. The solid product is collected by centrifugation, washed, and dried to obtain COF powder. This powder is then added to an ethanol-water solution, followed by ultrasonic dispersion with Nafion solution. The powder is then drop-coated / sprayed onto the surface of a carbon paper current collector and dried. This powder is used as the working electrode, with a platinum mesh as the counter electrode, a platinum wire as the quasi-reference electrode, and a LiBF4 tetrahydrofuran solution as the electrolyte. Ethanol is used as the proton donor, and electrolysis is performed under a nitrogen atmosphere using a constant current. This invention can be applied to the field of ammonia synthesis technology.

The invention discloses a drinking water preparing and filtering device and method based on a magnetized filter element, and relates to the technical field of filtering. A filter cartridge; a first filter plate, a second filter plate, a third filter plate and a fourth filter plate; the telescopic unit is arranged on the connecting base and used for driving the first filter plate, the second filter plate and the third filter plate to move in the direction away from the fourth filter plate, so that the shaftless spiral piece is in an elastic extension state. According to the invention, when foreign matters and impurities are cleaned, a telescopic unit drives a first filter plate, a second filter plate and a third filter plate to move in a direction far away from a fourth filter plate, so that a shaftless spiral sheet is elastically stretched and deformed, and gaps between activated carbon particles and magnetized particles are increased; foreign matters and impurities can flow out to the water outlet through gaps between the activated carbon particles and the magnetized particles, so that the foreign matters and impurities are removed, the replacement period of the filter element is prolonged, and the replacement frequency of the filter element is reduced.

The present application belongs to the technical field of check valve, especially relates to a rocker arm type anti-backflow high-efficiency check valve, which comprises a valve body, the valve body is fixedly connected with a rocker arm frame through a screw, the lower end of the rocker arm frame is rotatably connected with a rocker arm through a pin shaft, the rocker arm is fixedly installed with a valve clack assembly, the front end of the valve clack assembly abuts against a valve seat arranged in the valve body, the valve clack assembly stores a counterweight liquid, a counterweight adjusting assembly is arranged at the rotatable connection position of the pin shaft and the rocker arm, when fluid flows through the check valve in a forward direction, the counterweight liquid stored in the valve clack assembly is transferred into the pin shaft through the counterweight adjusting assembly, the weight of the valve clack assembly is reduced, the resistance to fluid is reduced, and the fluid can flow through the check valve quickly, when the fluid stops flowing through the check valve, the counterweight adjusting assembly transfers the counterweight liquid in the pin shaft back into the valve clack assembly, thereby increasing the weight of the lower end of the valve clack assembly, the valve clack assembly is tightly pressed against the valve seat, and the backflow of fluid is effectively prevented.

The utility model belongs to the technical field of rolling oil filtering, and relates to a rolling oil filtering device which comprises a through hole shaft rotatably mounted on a filter cartridge, an oil inlet pipe communicated with one end of the through hole shaft through a rotary joint, the through hole shaft connected with a first motor through a bevel gear transmission part, and a first filtering system connected with the other end of the through hole shaft. A first filtering system and a second filtering system are sequentially installed in an inner cavity of the filtering cylinder from top to bottom, an oil return pipeline is arranged on the filtering cylinder, the oil inlet end of the oil return pipeline is communicated with the filtering cylinder, and the oil outlet end of the oil return pipeline is located between the first filtering system and the second filtering system. According to the utility model, primary filtration is carried out through the first filtration system, impurities with larger particle sizes are intercepted and then enter the second filtration system to be deeply purified, so that finer impurities are further removed, and the rolling oil is circularly filtered through the oil return pipeline, so that the filtration frequency of the rolling oil is increased, the rolling oil participates in the filtration process again, and the filtration sufficiency is improved; and the filtering quality is further ensured.

The utility model belongs to the technical field of ball mill, concretely relates to a ball mill is with the compartment board, including main frame and grate plate, grate plate fixed mounting is in main frame, is set with a plurality of grate seams on the grate plate, the inclination angle of grate seam is 40 ~ 50 DEG, and the grate seam is inclined to set and the inclination angle of grate seam is 40 ~ 50 DEG, and the grate seam is set to several groups along one end of the grate plate to the other end, and each group of grate seam includes two rows of grate seams, and the inclination direction of the same row grate seam is same, and the inclination direction of two rows of grate seams of each group is opposite. The utility model is set with a plurality of groups of grate seams on the compartment board, and the grate seam is inclined to set, and the inclination direction of two rows of grate seams in each group of grate seam is opposite, and the grate seam is staggered to set, can make the vertical self-cleaning material of grate seam on multiple angles, realizes material fast through, prevents material from plugging at the compartment board, and has improved the grinding rate of ball mill.