33 results about "Metallic debris" patented technology

The utility model discloses a numerical control hydraulic bending machine's safety shield for wind driven generator accessories, including the protective outer cover, the inner wall sliding connection of protective outer cover has the protective inner cover, the below of protective inner cover is equipped with the support station, both sides of support station all are fixedly connected with the support seat, two the side of mutual approach of support seat all are seted up and have the slide hole, two the inner wall sliding connection of slide hole all has the connecting sliding block, two the side of mutual approach of connecting sliding block all with the outer surface fixed connection of protective outer cover. The utility model discloses through the downward movement of bending upper die that lifting plate drives, can make protective outer cover with connecting sliding block synchronous slide -down together, and will with protective inner cover together in the front of bending upper die, can directly isolate the stamping area with operator, avoid the hand accident of worker finger close to the stamping area and also can intercept the metal fragment that splashes in the processing, prevent the harm of fragment to staff.

The utility model discloses a waste metal recovery device, and relates to the technical field of waste metal treatment. The crushing device comprises a crushing box, the crushing box is a hollow rectangular box body, a feeding hopper is fixedly installed at the top of the crushing box, two crushing rollers are movably installed in the crushing box, two servo motors used for driving the two crushing rollers to rotate are fixedly installed on the rear wall face of the crushing box, and a screen is fixedly installed on the crushing box. The two groups of transmission assemblies respectively drive the two groups of corresponding telescopic rod assemblies to stretch out and draw back, so that the two brushes are in continuous contact with the surfaces of the adjacent crushing rollers, metal fragments attached to the surfaces of the crushing rollers are swept away by the brushes, and the crushing efficiency is further improved. When waste metal is fed into the crushing box through the feeding hopper, the waste metal can be flattened through the flattening assembly, so that the waste metal can pass through the position between the two crushing rollers more easily to be extruded and crushed into metal fragments.

The utility model relates to waste and old metal processing equipment technical field, name is a kind of waste and old metal plate chopping device, including device frame, cutting platform is installed on device frame, gantry is also installed on device frame, the hydraulic cylinder is installed below the gantry, the support plate is installed below the hydraulic cylinder, the cutting knife group formed by the cutting knife of multiple parallel settings is installed below the support plate, the cutting knife has the following blade, the downward operation of hydraulic cylinder, cutting knife can cut waste and old metal plate placed on cutting platform, waste and old metal plate is by rear to front operation on cutting platform;The gantry is two, respectively rear gantry and front gantry, wherein the blade of cutting knife installed below one of gantry is front and back direction, the blade of cutting knife installed below the other gantry is left and right direction. With can make the metal fragment generated more small, satisfy some production requirement's advantage.

The utility model belongs to the technical field of casting and forging machining, and particularly relates to a casting and forging machining hardness detection device which comprises a supporting box, symmetrical supporting plates are fixed to the upper side of the supporting box, a transverse plate is fixed to the upper sides of the symmetrical supporting plates together, an air cylinder is fixed to the lower side of the transverse plate, and a pressing plate is fixed to the lower end of the air cylinder. According to the device, when the hardness of a casting and forging piece is detected by pressing the casting and forging piece through the air cylinder and the pressing plate, the protection plates can be protected at the front end and the rear end of the casting and forging piece, and the casting and forging piece is enclosed by matching with the two supporting plates, so that the protection effect is improved; when some castings and forgings are damaged due to the fact that the castings and forgings cannot bear corresponding pressure, metal fragments or metal particles of the castings and forgings cannot injure surrounding operators accidentally, and use safety is improved.

A gravity clean-off magnetic sweeper apparatus that connects to the front of industrial equipment or industrial vehicles where a bucket would normally go. The magnetic sweeper is lifted off the ground slightly and driven around an area to pick up metal debris. The collected debris is then cleaned off of the bottom of the invention by lifting it with the machine and pivoting it downward. As the magnetic sweeper is pivoted downward, the mass of the magnets, which is greater than its attraction force to the metal debris attached to the pan in between the magnet and the debris, allows the magnet to hang vertically, as the pan is forced away from the magnet. This removes the metal debris away from the magnetic field and allows it to fall from the magnetic sweeper.

The application relates to the application field of metal powder metallurgy technology and discloses a copper-based composite material metal block capable of resisting impact energy and a preparation process and application thereof. The copper-based composite material metal block is used in impact and collision process tests, and impact energy absorption, reduction or elimination is realized by self-pulverization and disintegration. Raw materials of the copper-based composite material capable of resisting impact energy include, in percentage by mass, 1-95% of atomized copper powder, 0-95% of electrolytic copper powder, 1-15% of tin powder, 1-2% of molybdenum disulfide, 0-3% of graphite, 0-7% of phenolic resin, 0-1% of lithium stearate and 0-1% of magnesium stearate. The above raw materials are mixed, secondarily pressed, sintered and electroplated to form the copper-based composite material. When encountering an impacted metal barrier section, the metal block can absorb the counter-impact energy and disintegrate by itself, so that the running speed instantaneously drops to zero, the metal fragment splashing phenomenon does not occur, and the copper-based composite material does not contain lead metal, so that the whole impact and collision process is harmless to the surrounding environment.

The utility model relates to pumping unit hoisting rope tension test technical field discloses a pumping unit hoisting rope tension test device, including experimental device main part, the experimental device main part outer wall is provided with protection subassembly, the experimental device main part bottom fixedly connected with base, the experimental device main part inner wall slidingly connected with hydraulic jack, the experimental device main part inside is provided with clamp, the clamp outer wall is provided with quick detachable subassembly, the protection subassembly includes protection frame and guard board, the protection frame outer wall sets up experimental device main part one side, the guard board outer wall fixedly connected in experimental device main part other side, the experimental device main part outer wall has seted up the clamping groove, in the utility model, by sliding in the clamping groove of L type block inner wall, then presses the handle downwards can fixed to the protection net, can effectively intercept the hoisting rope that may fly around after breaking and the object such as metal fragment produced because of hoisting rope breaking in the moment of hoisting rope taut broken.

The application provides a compressed air energy storage tank and a manufacturing method thereof, and belongs to the technical field of air energy storage. The application solves the problems of small gas storage capacity, low efficiency and safety hazards of metal tank explosion fragments hurting people, and the like. The application comprises a composite material tank cylinder, tank heads, a gas storage inner tank and air inlet and outlet holes. The tank heads are installed at both ends of the composite material tank cylinder. The gas storage inner tank is arranged in the tank formed by the composite material tank cylinder and the tank heads. The tank heads are provided with the air inlet and outlet holes, a drain valve hole and a safety valve hole. The tank heads are installed in a concrete support pier. The gas storage inner tank is made of plastic or rubber. The application is mainly used for compressed air storage and release.

The utility model relates to the technical field of battery recovery, and discloses efficient hydraulic separation equipment for waste lead-acid battery recovery, which comprises a screening frame, the bottom end of the screening frame is fixedly connected with two collecting cabins, the inner walls of the left and right sides of the collecting cabins are both slidably connected with magnetic suction plates, the front ends of the two magnetic suction plates are fixedly connected with a sliding plate, and the sliding plate is fixedly connected with the bottom end of the screening frame. A fixed rod is fixedly connected to the front end of the sliding plate, a rotating plate is rotatably connected to the outer wall of the fixed rod, a square block is fixedly connected to the front side of the collecting cabin, a square groove is formed in the bottom of the square block, a clamping block is slidably connected to the inner wall of the square groove, and a sliding rod is fixedly connected to the top end of the clamping block. According to the device, equipment blockage or abrasion caused by accumulation of metal fragments is avoided, the service life of the equipment is prolonged, the separated metal fragments and non-metal materials are collected respectively, the heavy metal pollution load of the subsequent water treatment procedure is reduced, and the environment-friendly treatment cost is reduced.

The invention relates to the field of semiconductors, and discloses a magnetic random access memory and a manufacturing method thereof, and the method comprises the steps: preparing a substrate with a contact hole; growing a metal layer on the upper surface of the substrate; the metal layer is etched, and metal fragments are generated in the edge area of the substrate; etching the edge area of the substrate, and forming an edge gap in the edge area; and depositing a magnetic tunnel junction film layer structure. According to the manufacturing method, the metal layer is deposited on the substrate, and after the metal layer is etched, the edge area of the substrate is etched to form the edge notch, so that metal fragments generated in the edge area of the substrate in the process of etching the metal layer are removed, namely metal residues on the edge of the substrate are removed, and the yield of the substrate is improved. The defect of fragments caused by metal residues at the edge region is overcome, and the hard fault yield of the magnetic random access memory is further improved.

The invention relates to the technical field of side slope greening spray-seeding, and discloses a side slope greening spray-seeding base material stirring and mixing device which comprises a tank body, a sealing cover is arranged above the tank body, a removing mechanism is arranged outside the tank body, and a magnetic attraction mechanism is arranged below the removing mechanism; the removing mechanism comprises a rotating rod, the rotating rod is rotatably connected to the interior of the tank body, the inner wall of the tank body is fixedly connected with a filter plate, the rotating rod is rotatably connected to the interior of the filter plate, the inner wall of the filter plate is fixedly connected with three fixed shells, and the inner wall of each fixed shell is fixedly connected with a rectangular permanent magnet. The stirring and mixing device for the spray-seeding base material for slope greening has the advantages that the overall mixing and stirring quality of the spray-seeding base material for slope greening is improved, so that facilities such as a pump body in spray-seeding equipment cannot be blocked and damaged by relatively long straws, relatively large metal fragments and relatively large stones during follow-up slope greening spray-seeding work; and the use performance of the stirring and mixing equipment for the slope greening spray-seeding base material is improved.

The invention relates to the technical field of steam turbine and generator bearing box impurity cleaning and discloses a steam turbine and generator bearing box impurity cleaning method and tool, a connecting part is arranged at the top end of a handle and used for expanding the handle, the bottom face of the handle is connected with a first cleaning assembly, and the bottom end of the first cleaning assembly is connected with a second cleaning assembly. According to the device, iron metal substances in the steam turbine and the generator bearing box body are adsorbed through a strong magnet of the second cleaning assembly, a three-fork ring is wrapped by the viscous assembly, and non-metal chippings in the steam turbine and the generator bearing box body are wrapped by the second cleaning assembly in a sticking mode, so that the good impurity cleaning effect is achieved; the impurity cleaning tool is simple in structural design, is suitable for cleaning impurities of various metal or non-metal substances in bearing boxes of turbines and generators, and is also suitable for cleaning impurities in other more environments or places. Time and labor are saved, the working efficiency is high, the impurity cleaning effect is good, and the practicability is extremely high.

The high-precision laser cutting device comprises a base and a working table, a plurality of sets of stainless steel sheets distributed at equal intervals are arranged in the working table, an installation frame is fixedly installed in the working table, a plurality of sets of adjusting frames distributed at equal intervals are installed on the installation frame in a sliding mode, and the stainless steel sheets and the adjusting frames are arranged correspondingly. The stainless steel sheets are fixedly connected with the corresponding adjusting frames, a mounting rod is fixedly mounted on the mounting frame, two sets of symmetrically-distributed first telescopic rods are slidably mounted in the mounting rod, and second telescopic rods are slidably mounted in the two sets of first telescopic rods; the distances between the multiple sets of stainless steel sheets are enlarged, so that metal fragments which do not fall off from gaps after laser cutting machining uniformly fall off from the enlarged gaps between the adjacent stainless steel sheets, residues of the metal fragments are avoided, and cleanliness in the workbench is guaranteed; and the positioning precision and the cutting precision of the residual metal chips on subsequent precision parts are avoided.

A dust removal device for an electrode sheet, and a battery processing apparatus. The dust removal device for an electrode sheet comprises a housing (100), a suction assembly (400), a first blowing assembly (200) and a second blowing assembly (300). The housing (100) has an inner cavity (150), and in a first direction, two opposite sides of the housing (100) are both provided with through holes (110) for conveying an electrode sheet (10). In a second direction, two opposite sides of the housing (100) are both provided with suction ports (120), the suction assembly (400) being in communication with the suction ports (120). The first blowing assembly (200) and the second blowing assembly (300) are both disposed in the inner cavity (150), and a channel (140) for conveying the electrode sheet (10) is formed between the first blowing assembly (200) and the second blowing assembly (300), the channel (140) being in communication with the through holes (110). The first blowing assembly (200) and the second blowing assembly (300) are both arranged in a third direction, and the first blowing assembly (200) and the second blowing assembly (300) are both configured to blow dust on the electrode sheet (10). The suction assembly (400) is configured to suction the dust that has been blown up. The device can prevent the risk of short circuits in a jelly roll caused by dust and other metallic debris entering the jelly roll, thereby improving safety, reducing potential safety hazards, and saving on costs.

The utility model discloses a cyclonic oily sludge treatment separation cylinder which comprises a cyclonic separation cylinder, a feed port formed in the top surface of the cyclonic separation cylinder, a high-pressure air inlet pipe arranged on one side of the cyclonic separation cylinder, an overflow port and a silt port, wherein the overflow port and the silt port are formed in the other side of the cyclonic separation cylinder; a coarse filtering assembly is arranged in the feeding hole; according to the cyclone type oily sludge treatment separation cylinder, a cyclone type oily sludge treatment separation cylinder in the prior art is improved and optimized, the coarse filtering assembly convenient to disassemble and assemble is ingeniously designed at the position of the feeding port, large-size stone blocks, wood blocks, metal fragments and other foreign matter in sludge can be effectively blocked and prevented from entering the separation cylinder, and meanwhile the separation cylinder is convenient to disassemble and assemble. The fence adopts a modular design, is convenient for daily maintenance and cleaning, and can be quickly disassembled, assembled and replaced without influencing the continuous operation of the whole equipment once the fence is blocked or needs to be maintained, so that the durability and the stability of the separation cylinder are remarkably improved, and long-term efficient and safe sludge treatment operation is also ensured.

The utility model relates to a kind of film scrap spiral feeding field, disclose a kind of film scrap spiral feeder, including main frame, the inside sliding connection of main frame has screen, the bottom of screen is fixedly connected with top plate, the bottom of top plate is fixedly connected with damper, damper is fixedly connected with swing rotary lever, swing rotary lever inside is rotatably connected with swing lever, swing lever inside is rotatably connected with convex sleeve rotary lever, convex sleeve rotary lever is rotatably connected with circular convex sleeve outside, circular convex sleeve is fixedly connected with driving rotary lever inside, driving rotary lever is rotatably connected with drive outside, the bottom of drive is fixedly connected with shell one, the top of shell one is fixedly connected with bottom pipe, in the utility model, add the effective interception of screen assembly stone block, metal scrap, fibre group etc., ensure that film scrap quality meets production requirement, reduce the abrasion of spiral blade, shell and other components simultaneously, reduce equipment failure rate, prolong maintenance cycle, save maintenance cost.

The utility model discloses an alloy powder production crusher with a protection function, which belongs to the technical field of alloy powder production and comprises a crushing box, a flow guide block is arranged at the top of the inner side of the crushing box, and a protection component is arranged on one side of the flow guide block. The box cover can be smoothly opened under the gravity action of raw materials, after the raw materials enter the box cover, the torque spring quickly closes the box cover, and the rubber pad and the sealing groove at the bottom of the box cover are tightly matched with the top of the crushing box to form a reliable sealing structure, so that metal fragments are effectively prevented from splashing out from the feeding port in the crushing process; a certain buffering effect is provided through a rubber pad, alloy raw materials can be prevented from splashing to the bottom of the box cover, the risk that an operator is injured by fragments is greatly reduced, the personal safety of the operator is guaranteed, the opening angle of the box cover can be controlled through a limiting plate, and the situation that the opening angle of the box cover is too large is prevented; and therefore, the alloy raw materials are taken out when the box cover is closed.

The utility model discloses a precious metal wire straightening and cutting device, which belongs to the technical field of wire processing and comprises a workbench, a cutting component is arranged at the top of the workbench, a splash-proof mechanism is arranged on one side, close to the cutting component, of the top of the workbench, and a lead screw transmission mechanism is arranged on one side, away from the splash-proof mechanism, of the top of the workbench. A lead screw transmission mechanism is arranged on the workbench, a clamping jaw is arranged on one side of the lead screw transmission mechanism, a wire spool is arranged on the outer side of the workbench, a protection mechanism is arranged on one side of the wire spool, supporting legs are arranged at the bottom of the workbench, and universal wheels are arranged at the bottoms of the supporting legs. Wire rods can freely penetrate through the long holes in the two sides of the sliding frame, a shell of the sliding frame can prevent metal fragments from flying when the wire rods are cut off, the lower sliding plate can assist the metal fragments in sliding into the collecting box, the fragments are prevented from flying out through the sliding frame, the metal fragments can be recycled, and the resource utilization rate is increased.

The utility model discloses a screening separator with an automatic cleaning function, which relates to the technical field of waste metal barrel treatment and comprises a device shell, a tail gas treatment component is mounted at one end of the device shell, a positioning plate is arranged at an air inlet of the tail gas treatment component, a material receiving box is mounted at the bottom of the positioning plate, and a material receiving device is mounted at the bottom of the material receiving box. And a vibration assembly for shaking the metal fragments in the material receiving box is arranged at the bottom of the material receiving box and comprises a bottom plate, a spring and a connecting plate. Through the arrangement of the vibration assembly, multi-angle primary dust collection and heating are carried out on the two faces of metal fragments, then toxic gas adsorption is fully carried out on the metal fragments, the quality of the equipment is improved, the working efficiency is also improved, and the environment is effectively protected; and in the transportation process, the metal fragments are heated, toxic gas left on the surfaces of the metal fragments is adsorbed, the positions of the metal fragments are limited and controlled, and splashing of the metal fragments is reduced.

The utility model relates to a feeding structure of packaging bag making equipment, which belongs to the technical field of packaging bag making equipment and comprises a bag making equipment body, a mounting frame and a feeding box, and a feeding component for filtering and removing foreign matters is arranged in the feeding box; the feeding assembly comprises a hopper fixedly connected to the top of the feeding box, a fixing frame and a limiting sliding rod are fixedly connected to the inner side of the feeding box, a filter screen is fixedly connected to the inner side of the fixing frame, a magnetic suction plate is arranged on the outer side of a fixing plate, and a filter assembly for purifying bag making odor is arranged on the top of the mounting frame. According to the feeding structure of the packaging bag making equipment, through the arrangement of the feeding assembly, compared with existing bag making equipment, the feeding and foreign matter removing functions are achieved, impurities such as metal fragments and stones contained in plastic raw material particles can be prevented from entering the equipment, and therefore the probability of mechanical jamming or abrasion or spark generation is reduced, and the production efficiency is improved. Therefore, the normal operation of the equipment is effectively ensured.

The utility model discloses a rice deep processing impurity removal device belongs to rice processing technical field, include: support shell, magnetic attraction mechanism, dust extraction mechanism and scraping mechanism, the scraping mechanism includes cleaning component and fixture assembly, the cleaning component is used for the iron filings and metal fragment mechanical energy scraping removal cleaning of magnetic attraction mechanism magnetic force adsorption, the fixture assembly is used for the quick dismounting of cleaning component, the cleaning component includes scraper and no. Utilize the plug -in board and insert the locating groove inside the assembly block, realize the positioning assembly of scraper and assembly block, and the quick dismounting of scraper is convenient to the later period, and maintenance is convenient, and utilize the scraper arc design and stick to the one side surface of drum, between the drum rotation, and the scraper can efficiently scrape the metal impurity of drum adsorption, and the scraping mechanism real -time cleaning drum surface, keep magnetic force stable, solve the problem that traditional magnetic separation device metal accumulation leads to magnetic force attenuation, need not stop the manual cleaning, and improve the continuous operation efficiency.

This invention discloses a method for monitoring space debris, belonging to the field of space debris monitoring technology. This invention significantly improves the reliability of debris monitoring by low-Earth orbit satellites in maneuvering states through the deep integration of physical models and deep learning. A plume diffusion physical field model accurately characterizes the interference generation mechanism, a generative adversarial network (GAN) enables dynamic stripping of interference features, a multi-scale residual network enhances the micro-motion characteristics of debris, and optical flow alignment suppresses temporal noise. An online learning framework overcomes the bottleneck of satellite-ground collaboration, enabling autonomous evolution and updating of model parameters. This invention systematically solves the false alarm problem caused by plume interference without changing existing onboard hardware, while simultaneously improving the detection sensitivity for non-metallic debris and ensuring the autonomous monitoring capabilities of the satellite constellation.

This utility model relates to the field of sorting machine technology and discloses an eddy current separator, including a conveyor frame. A connecting box is fixedly connected to the left side of the conveyor frame. A vibration mechanism is provided on the side wall of the connecting box. A contact rod is fixedly connected to the surface of the rotating block. The outer arc surface of the contact rod contacts a sliding seat. Two sets of fixed blocks are slidably connected to the outer wall of the connecting block. A connecting frame is hinged to the end of the hinge rod away from the fixed block. A base plate is fixedly connected to both sides of the connecting frame. In this utility model, by setting up a vibration mechanism, the material inside the box can be kept in a loose state, avoiding the agglomeration of non-ferrous metal particles or non-metallic debris at the bottom of the box. It also disperses the material adhering to the box wall, reduces the electrostatic adsorption of broken plastic pieces on the inner wall of the box, and reduces the frequency of manual cleaning. This effectively solves the problems of material accumulation and adhesion, and improves collection efficiency and sorting accuracy.

This invention provides a sparse two-dimensional magnetic imaging method. The method includes: equating the magnetic anomaly field generated by a ferromagnetic target to the superposition of magnetic fields generated by multiple magnetic dipoles on a two-dimensional horizontal slice; wherein the ferromagnetic target includes targets such as underground pipes, ironware and metal fragments in archaeological work, and landmines and shells in military applications; uniformly dividing the two-dimensional horizontal slice into small rectangular grid units, where the magnetic moments of the magnetic dipoles in the grid where the target is located are non-zero, and the magnetic moments of the spatial magnetic dipoles without the target are all zero; and estimating the parameters of the magnetic dipoles using an orthogonal matching pursuit algorithm to achieve two-dimensional magnetic imaging of the target. This embodiment simplifies the complex magnetic field distribution to the superposition of multiple magnetic dipoles, reducing the complexity of the problem; through modeling and parameter estimation of the magnetic anomaly field, the location and identification of ferromagnetic targets can be achieved, which has important application value in fields such as geological exploration, archaeology, and landmine detection.

The invention discloses a non-standard part testing method and device, and belongs to the technical field of pressure testing. The device comprises a testing mechanism which comprises a carrier with an opening in one side and a mounting plate mounted on the carrier, a hydraulic shaft is mounted on the carrier, a pressure sensor is mounted on the hydraulic shaft, and a placement plate is mounted on the carrier; and the pressure applying mechanism comprises a mounting disc mounted at the lower end of the hydraulic shaft. Through the protection mechanism, the to-be-tested part is wrapped in the process that the hydraulic shaft applies pressure downwards, so that a worker can take or adjust the to-be-tested part more conveniently, metal fragments are prevented from splashing in the pressure testing machine in the pressure testing process, subsequent cleaning is facilitated, and the working efficiency is improved. The adjustable design of the pressure applying disc can ensure that the pressure load of the hydraulic shaft is vertically and uniformly applied to the whole contact surface of the part, so that the part to be tested is prevented from bearing larger force due to eccentric torque, and the error of test data is reduced.

The invention belongs to the technical field of all-terrain vehicles, and particularly relates to a large four-wheel amphibious all-terrain vehicle steering device which comprises a chassis, first connecting rods are rotationally arranged at the four corners of the upper end face of the chassis, a protective shell is fixedly connected to one ends of the first connecting rods, and wheels are rotationally arranged on the inner side of the protective shell; the device further comprises a transmission assembly. The transmission assembly comprises racks slidably connected to the two sides of the upper end face of the chassis, second connecting rods are rotationally arranged at the two ends of the racks, and one ends of the second connecting rods are rotationally connected with one ends of the first connecting rods. A protection assembly is further included. When a vehicle runs on a road surface and metal fragments on the road surface are about to be in contact with wheels, the metal fragments can be adsorbed by the electromagnets, so that the metal fragments cannot be in contact with the wheels, and the situation that the wheels are punctured by the fragments is avoided.

The utility model belongs to the technical field of crushers, and particularly relates to a crusher, which comprises a frame, a crushing bin, a crushing component rotatably matched in the crushing bin, a filter screen arranged in the crushing bin, a feeding channel arranged at the upper end of the crushing bin and a discharging channel arranged at the lower end of the crushing bin, and the crushing component comprises a rotating main body and hammers arranged on the rotating main body. An inner end opening of the feeding channel is arranged over the downward rotating side portion of the rotating body in an offset mode, a counterattack blocking wall is arranged on the side wall of the crushing bin, and the wall face of the counterattack blocking wall is arranged in an inclined and downward mode. According to the utility model, the hammer sheet with relatively thin thickness is reasonably adopted to replace a traditional hammer head to carry out crushing operation, so that the double crushing effects of shearing fracture and hammering fracture are achieved, the crushing efficiency can be effectively improved, and the energy consumption is reduced; and the metal fragments can be forced to rebound downwards and can be collided with the downward hammer for the second time, so that the metal fragments are prevented from splashing out of the feeding channel, and the crushing efficiency can be further improved.

The high-safety automobile part stamping equipment comprises a lower die base and an upper die plate, a lower die is installed on the lower die base, a movable plate is arranged between the lower die base and the upper die plate, the upper end of the movable plate is fixed to a piston rod of a pneumatic cylinder, and an upper die is installed on the lower portion of the movable plate. The upper die and the lower die are matched to achieve stamping of automobile parts. And a protection assembly is installed on one side of the movable plate and comprises a vertically-arranged protection plate body, a left side baffle is detachably fixed to the left side of the protection plate body, and a right side baffle is detachably fixed to the right side of the protection plate body. The protection assembly can stop splashing of metal fragments in the stamping process, and harm to an operator caused by splashing of the metal fragments is reduced. The protection plate body, the left side baffle and the right side baffle can be selected, and it is guaranteed that the combined protection structure can block splashed metal fragments and cannot hinder operation of an operator on a punching machine.

The utility model belongs to the technical field of waste paper recycling, and particularly relates to screening and classifying equipment for waste paper recycling, which comprises a screening machine body, a rotating shaft rotationally connected to the side wall of a cross rod on the rear side of the screening machine body, a screening frame rotationally connected to the side wall of the rotating shaft, and a screening box connected to the top surface of the screening frame, a connecting pipe is arranged on one side of the screening box, the opening end of the connecting pipe is in threaded connection with an air conveying pipe, the surface of the other side of the air conveying pipe is connected with a flange, the side wall of the flange is in threaded connection with a second fixing bolt in a penetrating mode, the side wall of the second fixing bolt is in threaded connection with an air outlet of an air blower, and the bottom of the air blower is installed on the top of an installation frame on one side of the screening machine body. Collected waste paper is subjected to vibration screening through the screening frame arranged on the screening machine body and the screening net frame fixed to the screening frame, so that metal fragments and plastic particles mixed in the waste paper are separated, and the machining efficiency and the finished product quality are improved.

Disclosed are vise embodiments designed to lower manufacturing cost and work well in an automated CNC milling production environment. The disclosed embodiments include rigid vises having high clamp force and low internal friction. The embodiments include features for resisting the ingress of metal chips into sensitive moving parts through the use of commonly available seals and the flow of CNC coolant to flush metal chips away from the vise.