428 results about "Metal debris" patented technology

The invention belongs to the technical field of image processing, and discloses a nonferrous metal target detection method and system for a scraped car. According to the method, through deep coupling of a GAN bimodal fusion network and a double-backbone network, a scraped car nonferrous metal target detection model is constructed, so that nonferrous metals in scraped cars are efficiently and accurately sorted. A bimodal fusion network is introduced into a model input layer, a fusion image with infrared thermal saliency and visible light texture features is generated, and the problem of cross-modal information splitting is solved; according to the dual-backbone network, standard convolution is replaced by a three-branch structure of an MGHCM module, large target contours, middle target semantics and small target details are synchronously captured, and self-adaptive shunting and efficient fusion of multi-scale features are achieved in cooperation with dynamic feature routing of a DHFBlock module; and the detection head network is optimized into a rotating frame prediction and cross-modal cross entropy classification mechanism so as to adapt to the placement scene of the metal fragments at any angle.

The invention provides a color steel plate edge grinding device, and relates to the field of color steel plate machining, the color steel plate edge grinding device comprises a base, a side frame is fixedly connected to the side wall of the base, an adjusting seat is arranged on the base, two clamping pieces are symmetrically arranged on the adjusting seat, and a position adjusting assembly is installed and connected between the adjusting seat and the base; and an electric cylinder is mounted and connected to the side frame, a mounting frame is fixedly connected to the telescopic end of the electric cylinder, and a polishing roller piece is mounted and connected to the middle of the mounting frame. Through the combination of the built-in umbrella-shaped frame and the beveled separation net, the problem that the separation net of a traditional scrap collecting device is blocked is well solved, metal scraps are accumulated in the side pull boxes on the two sides of the separation net through the beveled design, and the problem that the separation net is blocked is fundamentally solved; through the design that the fan is matched with the unique arc-shaped shell, the arc-edge blowing piece and the arc-shaped hopper opening, a set of efficient scrap collecting system is constructed, and splashing of redundant scraps is effectively prevented.

The invention relates to the technical field of hydraulic valve blocks, and discloses a hydraulic valve block assembly for a hydraulic servo system, the hydraulic valve block assembly comprises a hydraulic valve block body and a pipeline joint, the surface of the hydraulic valve block body is provided with a plurality of pipeline interfaces and a plurality of assembly interfaces, and the pipeline interfaces and the assembly interfaces are internally provided with protective devices. According to the hydraulic valve block, the protection device is arranged, in the dismounting process of oil way pipelines and various assemblies on the hydraulic valve block body, extrusion on the driving assembly can be lost, the driving assembly can drive the shaft rod, the fixing block and the conical blocks to rotate, the multiple sets of conical blocks make contact with one another to be closed, meanwhile, the elastic ring body can reset, and therefore the hydraulic valve block can be dismounted. The valve block is provided with the multiple conical sub-blocks, the multiple conical sub-blocks are tightly attached to the multiple conical sub-blocks, the sealing effect is achieved, after an oil way pipeline and various assemblies are disassembled, communication between the external environment and an oil way in the valve block can be rapidly blocked at the moment when the disassembling action is completed, and dust, metal chippings and other impurities are effectively prevented from entering the valve block.

The invention discloses an ultralow-temperature cascade refrigeration device, belongs to the technical field of refrigeration devices, and solves the problems that when a low-temperature screw compressor continuously operates below-80 DEG C, organic acid generated by hydrolysis of trace moisture and ester lubricating oil and metal chips form colloidal deposition, the resistance of a slide valve is increased, displacement lag is caused, and the service life of the slide valve is prolonged. However, the sensor only feeds back an instruction signal and cannot be monitored by a control system, and finally bearing wear or energy efficiency reduction is caused. Comprising a screw compressor and a slide valve state monitoring circuit arranged in the screw compressor. The actual displacement of the slide valve is measured in real time through double-frequency laser interference, the thickness of jelly is analyzed in combination with acoustic surface wave frequency shift, the fault index is calculated after dynamic compensation, early warning is conducted when the limit is exceeded, a blind area of a traditional sensor is eliminated, diagnosis is conducted in advance, and compressor bearing abrasion is avoided.

The invention relates to the technical field of hardware product polishing, and provides a grinding wheel-free polishing device for hardware product polishing, which comprises a shell, the interior of the shell is connected with an abrasive belt for hardware product polishing through a tightening wheel set, and the tightening wheel set is driven by a motor to drive the abrasive belt to perform high-speed displacement; the bottom frame is fixedly connected to the bottom side of the shell, sealing shells are fixedly connected to the left end and the right end of the top side of the bottom frame, rotating discs are rotationally connected to the sides, close to the shell, of the sealing shells, and the rotating discs on the two sides are in mirror symmetry. Metal scraps on the surface of the abrasive belt can be cleaned through the brush, the brush completes telescopic movement under a spring reset mechanism, the scraps attached to the brush are effectively scraped away, the problems that the abrasive belt slips and workpieces are scratched due to scrap accumulation are solved, the brush attached with too many metal scraps is prevented from scratching the abrasive belt, and the abrasive belt is prevented from being scratched by the brush. And the effective grinding surface of the abrasive belt is continuously kept in the optimal working state.

The utility model belongs to the technical field of metal table production, and discloses punching equipment for metal table production. The drilling device comprises a workbench, a through hole is formed in the top of the workbench in a penetrating mode, a mounting frame is arranged at the top of the workbench, a drilling assembly used for drilling a metal plate is arranged on the mounting frame, and a dust suction assembly used for sucking and removing metal chippings generated in the drilling process is arranged on the workbench. The mounting frame is further provided with an air cylinder used for driving the punching assembly to move in the vertical direction, the workbench is provided with a clamping assembly used for clamping the metal table plate to be punched, a worker starts the dust collection assembly, metal dust generated in the metal table plate punching process can be collected, and the metal table plate can be conveniently punched. And the probability that metal dust flows along with air and scatters around is reduced, and then the cleanliness of the table top of the working table is improved.

The invention discloses a grinding machine capable of recycling grinding liquid, and relates to the technical field of grinding machines, the grinding machine comprises a workbench, a machining table and a portal frame are mounted above the workbench, and the grinding machine is characterized in that diversion trenches are formed in the periphery of the upper surface of the machining table, a ball screw is arranged below the portal frame, and a grinding wheel is arranged below the ball screw; and a polishing assembly is mounted below the movable block through an electric telescopic rod. According to the grinding machine capable of recycling the grinding liquid, the grinding liquid is collected through a flow guide groove of a machining table, fed into a first filter box through a first connecting pipe, adsorbed with metal scraps through a rotating columnar sleeve and a magnetic column, then fed into a second filter box through a second connecting pipe and further purified through a filter screen and an activated carbon net; purified polishing liquid flows back to a polishing area through a circulating water pump, a water outlet pipe and a spray head, closed-loop circulation is achieved, waste of water resources is greatly reduced, and meanwhile the discharge risk of waste water containing heavy metal is reduced.

The utility model relates to the technical field of bearing machining, and discloses a thrust ball bearing ring end face groove grinder which comprises a workbench, an operation bin is fixedly installed on the top of the workbench, an observation window is fixedly installed on the front side of the operation bin, a fixing seat is fixedly installed in the operation bin, and a groove is formed in the fixing seat. A second transmission shaft is rotationally installed on the left side of the fixing base, and a grinding wheel is fixedly installed on the left side of the second transmission shaft. A water outlet is fixedly formed in the left side of the fixing base, and a flow guide bin is fixedly installed at the bottom of the workbench. By means of magnetic adsorption of the square electromagnet, metal chippings generated after bearing polishing are fixed by the square electromagnet, waste liquid can be easily discharged, the burden of waste liquid treatment is relieved, the metal chippings are collected in a centralized mode through the sieve plate, follow-up centralized treatment and reuse of the metal chippings are facilitated, and the service life of the bearing polishing machine is prolonged. And the environmental protection efficiency during operation is improved.

The invention discloses a cutting device for steel structure machining. The cutting device comprises a workbench, a supporting frame is installed on the upper surface of the workbench, an adjusting cutting assembly is installed on the lower surface of the supporting frame, a simulation triggering assembly is installed in the adjusting cutting assembly, and an automatic cooling assembly is installed on the outer surface of the simulation triggering assembly; according to the device, cooled nitrogen in a nitrogen chamber is conveyed into a nozzle through a conveying pipe by virtue of an air pump, and the cooled nitrogen is sprayed to a cutting area through the nozzle, so that convection is formed, heat is rapidly taken away, and thermal deformation of steel caused by high temperature is prevented; and meanwhile, nitrogen has the inert protection effect, the steel oxidation risk is reduced, metal chippings generated by cutting are blown into a filter screen by airflow and finally enter a waste recycling box to be stored in a centralized mode, and therefore the workshop environment is improved, and environment-friendly recycling is achieved.

The present invention discloses a groove milling device for machining mechanical parts, comprising a lifting assembly, a machining table and a milling assembly, wherein the lifting assembly is arranged at the bottom of the machining table, and the milling assembly is arranged at the top of the machining table. The present invention belongs to the technical field of groove milling equipment; the present invention controls the movement of different rod groups through different rod group control devices in the lifting assembly, controls the lifting fixture rod to drive the mechanical parts to displace or rotate in three-dimensional space, and thus realizes the milling of complex curved surfaces of the mechanical parts. At the same time, during the movement of the lifting fixture rod, the dustproof slide slides on the surface of the machining table body and always covers the movable hole of the support rod to prevent metal debris generated by the machining from entering the fixed frame and affecting the operation of the rod group control device. The slide motor of the milling assembly controls the movement of the milling slide on the machining table, thereby realizing the technical effect of controlling the initial working position of the milling cutter assembly according to the size of the part to be machined.

The invention discloses a thorough-cleaning cleaning device for pin bush production, and belongs to the field of pin bush production, the thorough-cleaning cleaning device comprises a rack shell, a conveying mechanism, a liquid injection pump and an infrared heating lamp, a cleaning mechanism is arranged on the outer side of the rack shell, and the cleaning mechanism conducts ultrasonic treatment on a pin bush and removes metal chippings on the surface of the pin bush; a conveying mechanism is arranged on one side of the rack shell, and the conveying mechanism feeds and unloads the multiple sets of pin shaft sleeves into the rack shell; and the drying mechanism is arranged over the rack shell, after the drying mechanism filters outside air, moisture on the surface of the pin bush is dried through circularly flowing air, and then the processing time of the pin bush in the machining process is saved. The air cylinder piston stretches out and draws back to drive the chain for transmission, and rapid lifting motion of the material frame is achieved. The mode is stable in thrust and high in response speed, and is particularly suitable for low-speed accurate positioning of a heavy material rack.

The present invention belongs to the field of laser cutting technology, specifically a device for profiling and cutting automobile decorative panels and a control method thereof, comprising a base, a top end of the base being provided with a plurality of steel tooth plates, a bracket assembly being provided above the base, and a laser cutting head being mounted on the bracket assembly; the device for profiling and cutting automobile decorative panels described in the present invention, by providing a material receiving box, during the cutting operation, a metal plate is placed on the top end of the steel tooth plate, as the laser cutting head cuts the metal plate, the generated metal debris falls to the bottom of the metal plate and is then received by the material receiving box, which receives the high-temperature metal debris and effectively prevents the high-temperature metal debris from adhering to the surface of the steel tooth plate. After a period of use, the material receiving box can be disassembled and replaced, and the material receiving box is made of plastic, has a low cost, and can be used in large quantities; therefore, a material receiving box can be provided between adjacent steel tooth plates, which can effectively improve the service life of the steel tooth plates.

The grinding machine with the waste collecting function comprises a grinding machine body and further comprises a machining assembly, the machining assembly comprises a grinding unit arranged at the top of the grinding machine body, and a machining tray is arranged at the top of the grinding machine body and located at the bottom of the grinding unit; the collecting assemblies are symmetrically arranged at the bottom of the processing tray, each collecting assembly comprises a material collecting box arranged at the bottom of the processing tray, a circulating groove is formed in the top of the processing tray, and a locking part used for locking the material collecting box is arranged at the joint of the material collecting box and the processing tray; after parts are polished, a worker uses a brush to sweep metal scraps in the machining tray into the circulating groove to enter the material collecting box, the scraps are collected, the locking part is used for locking the material collecting box and the machining tray, the metal scraps in the machining tray are collected through the material collecting box, and the machining tray is convenient to use. And the problem that the metal chippings are easily scattered on the ground when the metal chippings are directly swept out of the processing tray by adopting a brush is avoided.

This utility model provides a motor rotor processing and grinding device, relating to the field of motor processing technology. It includes a worktable, with a placement frame mounted on its upper surface. Support rollers are movably mounted at both ends of the placement frame, and raw materials are placed between the support rollers. A support frame is mounted on the upper end of the worktable, and a grinding mechanism is mounted on the lower surface of the support frame. In this utility model, when a grinding belt grinds the raw material via a first motor driving a rotating shaft and a first transmission rod, the rotating shaft drives a rotating rod to rotate through the meshing of a first helical gear and a second helical gear. The protrusions on the rotating rod rotate accordingly, allowing the protrusions to work with a spring to achieve the reciprocating motion of the brush on the surface of the grinding belt. This effectively removes metal debris and dust adhering to the surface of the grinding belt, preventing debris accumulation from affecting the contact accuracy between the grinding belt and the raw material, and effectively preventing uneven grinding force and surface scratches caused by debris retention.

The present invention discloses a tapping device suitable for sheet metal processing, which relates to the technical field of sheet metal processing. The present invention addresses the problem that only relying on edge fixation can easily cause deformation of the tapping position due to uneven force and metal debris affects the processing accuracy; on the one hand, an integrated drilling and tapping module adopts a rotating shaft flip structure to realize rapid switching of the tapping cone and the drill bit, and the whole body slides horizontally with a cross rail, so as to adapt to different tapping positions on the sheet metal for tapping operations; on the other hand, an adaptive suction clamping component can be used to adaptively adjust according to the size specifications of the sheet metal to be tapped, and a ring-shaped electromagnet array is used in conjunction with a positioning column structure to form a flexible support, the clamping force is adjustable and fits the tapping area, thereby avoiding the problem of deformation of the tapping position caused by uneven force on thin sheet metal parts.

The utility model provides a cleaning mechanism for a numerical control turret punch press, which belongs to the technical field of numerical control turret punch presses and comprises a punch press base, punch press equipment is arranged on the punch press base, a bottom block is mounted on one side of the punch press equipment through a telescopic component, and a magnetic block is fixedly mounted on one side of the bottom block. According to the cleaning mechanism for the numerical control turret type punch press, the telescopic air cylinder operates to drive the bottom block to move to a blanking area, a magnetic attraction block is arranged, some metal chippings are attracted through the magnetic attraction principle, the dust suction assembly is arranged, the dust suction effect is good, and the dust suction effect is good. Dust on the punch press base can be sucked away, the dust can be effectively cleaned, it is avoided that dust and chippings generated during machining remain for a long time, and use of a machine tool and health of workers are affected, the back-and-forth cleaning assembly is arranged to drive the cleaning scraper to move back and forth to clean the filter plate, and the problem that much dust is gathered on the filter plate to cause blockage is solved.

This invention relates to a cooling and lubrication device for longitudinal grooved tube rolling liners, comprising the following components: a circulating pump for circulating and supplying lubricating fluid, the circulating pump being positioned below a support frame, the outlet of the circulating pump being connected to a rotary joint fixed on the support frame via a conduit eight, the rotary joint being connected to the liner via a delivery pipe and supplying lubricating fluid into the liner; a collection tank positioned below the liner installation position in the rolling mill, for collecting lubricating fluid discharged from the steel pipe, the collection tank supplying the lubricating fluid to a purification and chip removal mechanism via a return pipe, thereby removing metal debris carried in the lubricating fluid and purifying it; and a temperature control system, which draws in the purified lubricating fluid from the purification and chip removal mechanism via a conduit six, adjusts its temperature, and then supplies it to a collection tank via a conduit seven, so that the circulating pump can supply the lubricating fluid in the collection tank to the liner. This cooling and lubrication device for longitudinal grooved tube rolling liners provides stable and reliable cooling and lubrication for the liners during the rolling process.

This invention discloses an internal spraying mechanism for aluminum billet cutting operations using a pump, comprising a roller section with four butterfly wheels, each butterfly wheel having a convex curved surface, and the convex curved surfaces of two coaxial butterfly wheels coinciding with the same spatial spherical surface; a spraying component, the four butterfly wheels being movably connected by a connecting block, the spraying component including a main rod section connected to a plurality of annularly arrayed nozzle rods, the nozzle rods being tangentially connected to a straight rod section; a water delivery rod communicating with the main rod section of the spraying component, the liquid in the water delivery rod being sprayed out from the nozzle rods of the spraying component; the main rod section of the spraying component being movably assembled with the connecting block, the spraying component having rotational freedom around its own axis; and the roller section contacting the inner wall of the axially penetrating cavity of the aluminum profile. This invention employs a probing nozzle design to spray liquid in a rotating manner into the hollow cavity of the aluminum profile, effectively removing metal debris generated during cutting, facilitating each sawing operation of the aluminum billet using the pump.

The utility model provides a glass recovery device for glass product processing, which relates to the technical field of glass product processing and comprises a crushing mechanism and a sorting mechanism, the sorting mechanism comprises a sorting box, a filter plate is fixedly mounted in the sorting box, a safety door is hinged to one side of the sorting box, a separation net is fixedly arranged in the safety door, an air box is fixedly mounted on the outer side of the safety door, the air box is arranged on one side of the separation net, and an exhaust fan is fixedly mounted in the air box. And a rotating shaft is inserted into the sorting box. According to the glass scrap collecting device, paper scraps and plastic scraps in glass scraps are blown to the filter plate through the exhaust fan, impurities penetrate through the filter plate and fall into the collecting box to be collected, the electromagnetic chuck is driven by the second motor to rotate, the metal scraps falling from one side of the filter plate are collected, and the glass scraps are not subjected to the suction effect of the electromagnetic chuck; and the water falls into the other collecting box to be collected.

The invention relates to the technical field of polishing equipment, in particular to metal part polishing equipment which comprises a polishing mechanism, the polishing mechanism is fixedly connected to the upper portion of a material replacing mechanism used for replacing grinding materials, the polishing mechanism comprises a vibration box, and a screening mechanism used for removing broken grinding materials is arranged in the vibration box. A separating mechanism used for separating the metal parts and the grinding materials is further arranged in the vibration box and located below the screening mechanism. When the vibration box vibrates, the flaw screening plate can enable crushed abrasive materials to pass through, the crushed abrasive materials can be discharged out of the vibration box along the scrap screening plate, scratches caused by irregular surfaces of the crushed abrasive materials to metal parts are prevented, the polishing quality is improved, meanwhile, under the vibration effect, the crushed abrasive materials jump and slide down along the scrap screening plate, and the polishing effect is improved. And metal chips on the surface of the crushed abrasive material can be separated, and finally the metal chips are stored in the collecting hopper through the chip screening plate, so that collection and recycling of the metal chips are completed.

The utility model provides a novel oil pan for a tractor and an engine, and belongs to the technical field of tractors, the novel oil pan comprises an oil pan body, the bottom of the inner cavity of the oil pan body is provided with an arc-shaped oil groove, the bottom of the arc-shaped oil groove is provided with a chipping counter bore, and an oil discharge pipe is obliquely arranged in the chipping counter bore; and the oil drain plug screw is screwed into the oil drain pipe. When the engine oil is replaced, the metal and non-metal scraps in the arc-shaped oil groove can gradually enter and precipitate into the scrap counter bore, when the engine oil is replaced, the engine oil can be discharged from the oil discharging pipe to the maximum extent, the metal and non-metal scraps in the scrap counter bore can be discharged from the oil discharging pipe, oil liquid residues are reduced, and the service life of the engine oil is prolonged. And metal and nonmetal mixed chippings are prevented from being retained at the bottom of the oil pan body, and moving parts are prevented from being abraded by the residual chippings.

This invention relates to the field of valve technology and discloses a valve assembly and a high-purity gold diaphragm electrolysis device. The valve assembly includes: a recovery mechanism, comprising a liquid extraction pipe fixedly disposed at the bottom of the valve body, a collection chamber fixedly disposed at the bottom of the valve body, and a piston plate movably disposed in the collection chamber; and a drainage mechanism, comprising a squeezing plate fixedly disposed below the piston plate, a separation chamber fixedly disposed at the bottom of the collection chamber, a drainage box fixedly disposed at the center of the separation chamber, and a filter plate fixedly disposed on the drainage box. Through the recovery mechanism, metal debris deposited at the bottom of the lower chamber is recovered, and the recovery process does not require stopping the machine to disassemble the valve core, effectively improving the processing efficiency of the electrolysis equipment. At the same time, through the drainage mechanism, the squeezing plate squeezes the liquid in the drainage box, and then discharges the liquid into the valve body through the drainage pipe, thereby achieving solid-liquid separation of the liquid and metal debris, facilitating the subsequent recovery of metal debris.

This utility model discloses a processing device for three-dimensional relief pieces, belonging to the field of three-dimensional relief piece processing technology. It includes two supports, with a horizontal plate fixedly connected between the two supports. A connecting frame is provided on the outer side of the horizontal plate, and a turntable is rotatably connected to the bottom of the connecting frame. Multiple annularly distributed cleaning soft columns are fixedly connected to the bottom of the turntable. It also includes a moving component and a limiting component. The moving component drives the cleaning soft columns to repeatedly clean the surface of the three-dimensional relief piece. After the metal engraving is completed, the cleaning soft columns can quickly clean the surface of the workpiece, promptly removing metal debris generated during the processing, and preventing debris from staying on the workpiece surface for too long and forming scratches. The cleaning soft columns 7 rotate at high speed with the turntable, and their rotational motion can generate strong centrifugal force, which can more thoroughly remove the metal debris attached to the surface of the workpiece, greatly reducing the risk of scratches caused by debris residue.

This utility model relates to the technical field of grinding and polishing devices, specifically a grinding and polishing device for metal pipe processing. It includes a grinding and polishing device body with two unidirectional moving platforms. A first hydraulic rod is fixedly mounted on each unidirectional moving platform, and a connecting plate is fixedly mounted on the first hydraulic rod. A protective shell is fixedly mounted on the connecting plate. A collecting component is located on one side below the protective shell. The protective shell has a semi-circular groove and a recessed groove. Two air grooves are located on the side of the semi-circular groove closest to the recessed groove. Several cleaning brushes are located between the two air grooves. Several air supply grooves are located between the air grooves and the recessed groove. A vacuum pump and a filter plate are fixedly installed in the recessed groove. This eliminates the need for intermediate cleaning steps, shortens processing time, reduces labor costs, and effectively eliminates the risk of secondary scratches caused by metal debris during multiple grinding processes.

The invention relates to the technical field of polishing equipment, and particularly discloses polishing equipment for bearing manufacturing, the polishing equipment for bearing manufacturing achieves the purpose of easily fixing and polishing a bearing, an equipment bottom plate and an equipment support integrally support the equipment, a flow guide pool recovers and guides polishing liquid, and the polishing effect is improved. The polishing device is used for fixing the bearing and polishing an inner ring or an outer ring, the filtering device is used for separating metal chippings from the polishing solution and conveying the polishing solution again so that the polishing solution can be reused, and the fixing device is used for fixing the inner ring and the outer ring of the bearing, so that polishing and grinding are facilitated.

This utility model relates to the field of battery manufacturing equipment technology, specifically to a variable-position ultrasonic welding head for battery frames. It includes a battery processing device with multiple cylinders mounted on its top. Each cylinder has an ultrasonic welding head body mounted on its telescopic end. A motor drives a high-speed rotating roller brush, which, in conjunction with cleaning fluid sprayed from an L-shaped transmission water pipe, quickly removes metal debris, plastic burrs, and dust from the surface of the welding mold. Simultaneously, a dust extraction device generates negative pressure, which intercepts and collects impurities through a filter, preventing defects such as incomplete welding and detachment caused by impurities hindering ultrasonic energy transmission. This fundamentally improves welding quality stability, reduces the frequency of manual downtime for cleaning, and significantly lowers production interruptions and maintenance costs caused by impurities.

The utility model relates to the technical field of husked rice separation, and discloses gravity husked rice separation equipment which comprises a box body, a fixing rod is arranged at the top end of the box body in a sliding and penetrating mode, a mounting plate is arranged in the box body, a ferromagnetic plate is fixedly pasted to the top end of the mounting plate, and the fixing rod is arranged on the mounting plate in a penetrating mode through the ferromagnetic plate. According to the technical scheme, the ferromagnetic plate can be installed through the installation plate and the fixing rod, the installation height of the ferromagnetic plate can be flexibly adjusted by sliding the fixing rod up and down on the box body, and then the fixing rod is limited and fixed through the limiting rod. When the husked rice falls on the ferromagnetic plate, the husked rice slides down through the radian of the ferromagnetic plate, the husked rice makes full contact with the ferromagnetic plate, the ferromagnetic plate can adsorb metal fragments contained in the husked rice in the sliding-down process, abrasion between the metal fragments and the screen is avoided, and the maintenance cost is reduced.

The present invention relates to the field of metal debris collection technology, specifically, to a metal debris collection and cleaning device. It includes a base, the top of the base is fixedly connected to an organic box and a collection box, the inside of the collection box is fixedly connected to a support plate near the top, and the end of the collection box is fixedly connected to a particle board. The debris is transported to the inside of the collection box by a conveying component, the metal debris entering the collection box is crushed by a crushing component, and the debris entering the collection box is classified and collected by a screening component. When the screening component is blown by wind, the blade of the crushing component is driven to flip, so that the crushing component can lift up large pieces of debris that have not been filtered out for secondary crushing while crushing the debris, thereby avoiding clogging of the screening component. At the same time, the blown debris collides between the crushing component and the collection box, making it easier to be acted upon by the crushing tool, thereby improving the uniformity and efficiency of the crushing.

The application provides an oil seal and a vehicle transmission part, and the oil seal comprises an annular oil seal body, a recess is formed on the inner side of the oil seal body, and a control valve is communicated to the inner end face of the oil seal body; the control valve opens the oil discharge channel when the oil gravity in the recess is greater than a set threshold, and closes the oil discharge channel when the oil gravity is less than the set threshold. The oil seal can discharge the metal debris deposited in the recess, prevent the metal debris from scratching the oil seal body, improve the sealing effect of the oil seal, and reduce the risk of oil leakage.

The invention belongs to the technical field of petroleum and natural gas resource development, and particularly relates to an expansion metal abandoned layer isolation tool. The device comprises a central pipe, an open hole anchoring sealing assembly, a valve hoop and a feeding separation assembly. The open hole anchoring sealing assembly comprises an expansion metal anchoring sealing shell. A sealing cavity is formed between the expansion metal anchoring sealing shell and the central pipe; the upper end and the lower end of the expansion metal anchoring sealing shell are each sleeved with a set of expandable barrel type slips, and the center pipe is sleeved with the expandable barrel type slips. Through type slits are evenly distributed in the expandable barrel type slip. The valve hoop sleeves the central pipe and is in threaded connection with the central pipe; the valve hoop is provided with a channel which is communicated with the central pipe and is communicated with a sealing cavity between the central pipes of the expansion metal anchoring sealing shell; the expansion metal abandoned layer isolation tool is made of metal. The soft metal framework is expanded through hydraulic driving, meanwhile, other anchoring and sealing assemblies installed on the soft metal framework are linked to be expanded together to be attached to the stratum, and the anchoring and sealing functions are achieved.