412 results about "Paper dust" patented technology

The invention discloses a thickness laser measuring device for corrugated paper packaging box production and a method thereof, and relates to the technical field of laser thickness measuring devices. The concave-convex part of the corrugated board can be extruded through rolling of an air bag of the measurement pretreatment mechanism, flattening is achieved, meanwhile, high-speed airflow generated by an air cylinder purges paper scraps on the surface through air inlet and outlet holes, suction force generated when a piston is reset subsequently can suck the residual paper scraps into a detachable dust collection cylinder, the paper scraps are prevented from blocking a laser light path, and measurement errors are reduced from the source; secondly, in the laser thickness measuring mechanism, a first laser thickness measuring assembly and a second laser thickness measuring assembly move in opposite directions and are matched with the movement of the paperboard along with the conveying belt, measuring point positions in a larger range on the surface of the paperboard can be covered, the contingency of single-point measurement is avoided, a touch switch of a laser thickness gauge can be triggered and starts to work only after the preprocessing mechanism completes the purging action, and the accuracy of measurement is improved. The problem that paper scraps raised during purging interfere with a light path is thoroughly avoided, and the data validity is further guaranteed.

The technical purpose of the utility model is to provide the rotary paper processing device which can uniformly distribute paper scraps in the paper shredding container while shredding paper. Comprising a paper shredding cutter set, the paper shredding cutter set is driven by a motor and arranged in a face cover, a shell is arranged below the face cover, a rotating container is arranged in the shell, and a rotating device is arranged below the rotating container. Paper scraps are uniformly stacked in the container, so that the space of the container is utilized to the maximum extent; the method is suitable for office environments.

The utility model discloses a paper pushing device for a paper cutter, and relates to the technical field of paper cutters. The paper pushing device for the paper cutting machine comprises a paper cutting machine body, a lead screw is arranged at the top of the paper cutting machine body, a paper pushing mechanism is arranged at the top of the paper cutting machine body, and a cleaning mechanism is arranged at the top of the paper cutting machine body. According to the paper pushing device for the paper cutting machine, by arranging the cleaning plate, when paper scraps on the top of the paper cutting machine body need to be cleaned, a lead screw drives a sliding block to move, the sliding block drives a mounting plate and the cleaning plate to move to the end close to a bearing frame, and then a second motor is started to enable a transmission gear to drive a toothed plate and the cleaning plate to rotate; the cleaning plate makes contact with the top of the paper cutting machine body, then the sliding block drives the mounting plate and the cleaning plate to move at the top of the paper cutting machine body, meanwhile, the cleaning plate scrapes and cleans paper scraps at the top of the paper cutting machine body and pushes the paper scraps into the collecting box to be collected, and the device facilitates cleaning of the paper scraps at the top of the paper cutting machine body.

The paperboard slitting device with the dust removal function for carton processing comprises a working table, a fixing support is fixedly connected to the middle of the top of the working table, an electric push rod is installed on the top of the fixing support, a loading plate is arranged below the fixing support, a slitting knife is installed in the middle of the bottom of the loading plate, and a dust removal device is arranged on the top of the working table. The two sides of the bottom of the loading plate are each provided with a negative pressure suction nozzle, one side of the workbench is provided with a dust suction machine, the input end of the dust suction machine is fixedly connected with a guide-in pipe, the input end of the guide-in pipe is provided with a three-way pipe, and the output ends of the two negative pressure suction nozzles are each provided with a guide-out hose. The negative pressure suction nozzles are symmetrically arranged on the two sides of the slitting knife, negative pressure generated by the dust suction machine is utilized, generated paper scraps and dust are sucked away in real time in the slitting process, it is guaranteed that scraps generated in the paperboard slitting process can be cleaned in time through the design, and the situation that the scraps are attached to paperboards and cause adverse effects on subsequent machining procedures is avoided.

The printer toner cartridge comprises a toner cartridge shell body, a left side plate and a right side plate, a waste toner bin, a containing groove and a filtering and collecting structure are arranged in the toner cartridge shell body, an induced draft fan is arranged on one side of the waste toner bin, and the toner cartridge shell body and the right side plate are jointly provided with a material guiding and air guiding pipe communicating with the induced draft fan and the containing groove. An air inlet is formed in the side, away from the induced draft fan, of the selenium drum shell body, and air inlet and outlet pipes are arranged on the two sides of the filtering and collecting structure. Compared with the prior art, the toner cartridge shell has the advantages that through the waste toner bin and the filtering and collecting structure which are arranged in the toner cartridge shell main body, paper scraps and fibers in waste toner can be filtered, the filtered toner can be recycled and added, toner resources are utilized to the maximum extent, and waste is avoided; meanwhile, the selenium drum, the waste powder bin and the recovery system are integrally arranged, so that later cleaning and maintenance are facilitated, and the production cost is reduced.

The utility model discloses a washing machine drainage pump water inlet assembly with a self-cleaning function. The washing machine drainage pump water inlet assembly comprises a drainage pump body. A water inlet pipe is installed at the input end of the draining pump body, a filter screen ring is rotationally installed at the end, away from the draining pump body, of the water inlet pipe, and a transmission groove is formed in the outer surface of the filter screen ring; according to the sewage draining pump, impurities such as hair, fibers and paper scraps in sewage can be intercepted through the filter screen ring, the impurities are prevented from directly entering the draining pump main body through the water inlet pipe, and the draining pump main body is prevented from being damaged due to blockage of the impurities; the scraping brush can be in transmission with the inner core of the transmission groove to drive the filter screen ring to rotate between the water inlet pipe and the connecting pipe, at the moment, the scraping brush can scrape off impurities intercepted on the filter screen ring, it is prevented that too much impurities are accumulated on the filter screen ring to affect filtering and water flow passing, and therefore the impurity cleaning capacity of the drainage pump water inlet assembly is improved, and it is guaranteed that a drainage channel is unblocked; the drainage efficiency is improved, and later use of personnel is not affected.

This invention relates to the field of reverse-side cooling water pipe technology and discloses a paper thickness detection device for production of worksheets, comprising: a paper thickness detection instrument, an output shaft on the paper thickness detection instrument, a mounting base connected to the bottom of the output shaft, and a thickness sensor connected to the bottom of the mounting base. Through the cooperation of the paper thickness detection instrument, the output shaft, the mounting base, the thickness sensor, and the receiver, the thickness of the paper to be measured can be accurately detected, ensuring the controllability of thickness parameters during the production of worksheets; an integrated paper scrap cleaning component, utilizing the linkage structure of components such as a motor and lead screw, can clean paper scraps and dust from the bottom of the thickness sensor before and after detection, preventing impurities from affecting detection accuracy; the paper scrap cleaning component is connected to the mounting base via a mounting plate, has a compact structure and does not occupy a large amount of extra space, and achieves multi-track movement of the moving plate through the cooperation of the track groove and the moving rod, taking into account both cleaning and avoidance detection functions.

The utility model discloses a tax data file cover punching device which comprises a bearing base, the rear end of the top of the bearing base is fixedly connected with a rear shell, the top of the front end of the rear shell is fixedly connected with a front shell, and three sets of electric cylinders are installed in the front shell. A paper pushing assembly facilitating paper unwinding of the tool bit is arranged at the bottom end of the electric cylinder. According to the punching device for the taxation material roll skin, through the arrangement of the tubular tool apron, the punching tool bit, the paper pushing head, the first spring and the side edge notch, when the punching device is used, the electric cylinder pushes the tubular tool apron to press downwards, paper scraps generated after the roll skin is punched are accumulated in the tubular tool apron, the paper pushing head is extruded to move upwards, and the paper pushing head is pushed by the first spring to conduct punching on the roll skin. The paper scraps in the tubular tool apron are continuously pushed outwards, internal blockage is avoided, manual intervention can be achieved through the side edge notch in the side edge of the tubular tool apron under the condition that the first spring cannot push the tubular tool apron, the automatic paper pushing and accumulation preventing function is achieved, and the problem that the device does not have the automatic paper pushing and accumulation preventing function is solved.

The invention discloses a forming process of a paper-based screw cap, and belongs to the technical field of environment-friendly package manufacturing. Aiming at the defects of large pattern alignment deviation, easiness in springback and layering of the structure and high production cost of the existing paper-based screw cap, the process comprises the core steps of preprinting a sheet to prepare an alignment reference mark, performing die cutting to obtain a blank with a physical positioning point, performing winding interlocking, performing hydraulic densification crosslinking, performing phase matching forming on a fixed plate, preparing a hydrophobic lubricating film, and performing assembly inspection. Wherein the alignment reference mark, the physical positioning point and the spiral starting point of the positioning groove form geometric linkage, and the phase deviation between the finished product pattern and the spiral starting point is smaller than or equal to 0.5 degree. The process yield reaches 90% or above, a finished product is free of clamping stagnation and paper powder falling during screwing, and the method can adapt to containers made of multiple materials and is suitable for environment-friendly packaging scenes such as daily chemicals, cosmetics and food.

The utility model relates to the technical field of paper cups, in particular to a polylactic acid coated paper cup drying machine. The device comprises a mounting bracket, a mounting seat is mounted at the top end of the mounting bracket, a heating cover is jointly mounted between two opposite side walls of the mounting seat, a plurality of heating pipes are mounted at the top end in the heating cover, a conveying belt is rotationally arranged between two opposite inner walls of the mounting seat, and a vibration assembly and an auxiliary assembly are mounted at the bottom of the conveying belt; wherein regular slight vibration is generated through the vibration assembly, so that paper scraps on the paper cups are not prone to adhering to the conveying belt, and glue adhering to the surface of the conveying belt is cleaned and collected through the auxiliary assembly. By means of regular slight vibration generated by the vibration assembly, paper scraps on the paper cups can be effectively prevented from adhering to the conveying belt, pollution to the paper cups caused by the paper scraps is avoided, the surface of the conveying belt is kept clean, the influence of impurity accumulation on heat transfer and the quality of the paper cups is reduced, and meanwhile the maintenance cost of equipment is reduced.

The application discloses a method for automatically cleaning paper scraps and a washing machine, and the method for automatically cleaning paper scraps comprises the following steps: S1, starting a paper scrap cleaning program; S11, identifying the type of the washing machine, and executing the following steps according to different types; S12, identifying a washing and drying integrated machine, drying the paper scraps, rotating the inner barrel and blowing, and executing step S2; S13, identifying a non-washing and drying integrated machine, and executing step S2; S2, the washing machine feeds water into the inner barrel and rotates to discharge the paper scraps. Through the above solution, whether it is a pulsator washing machine or a drum washing machine, whether it is a washing and drying integrated machine or a non-washing and drying integrated machine, the problem that the inner barrel is full of paper scraps and is difficult to clean caused by the user accidentally bringing paper scraps into washing can be solved.

The present invention relates to the technical field of environmental protection equipment, specifically an intelligent industrial energy-saving environmental protection equipment, the grinding ball and the inner spherical shell sleeved on the grinding ball, further comprising: a moving ring, the moving ring is fixedly connected to the inner spherical shell, the bottom surface of the moving ring is fixedly connected with a pushing block at equal intervals, the outer rotatable connection of the inner spherical shell is connected to a hemispherical shell, the inner wall of the hemispherical shell is fixedly connected with a spring member at equal intervals, the end of the spring member facing away from the hemispherical shell is fixedly connected with an abutment block, and the inner spherical shell is fixedly connected with an arc top block. When the inner spherical shell rotates, the squeezed spring member can drive the abutment block to collide with the inside of the arc top block, so that the paper scraps inside the inner spherical shell can be vibrated. A track groove is provided on the rotating disk. When the environmental protection equipment is actually used, the output end of the hydraulic cylinder can drive the hemispherical shell to move up and down, which can facilitate the crushing structure to transport the paper scraps to the inside of the inner spherical shell, and also facilitate the grinding ball to crush the paper scraps inside the inner spherical shell.

The application belongs to the paper-covered wire processing technical field, and particularly relates to a paper covering machine for producing paper-covered wire, which comprises a shell, a wire inlet hole arranged on one side of the shell, and a wire outlet hole arranged on the other side of the shell, an air outlet hole and an air duct are arranged on the top surface of the shell, the air duct is located outside the shell and is communicated with the air outlet hole, an air inlet hole is arranged on the bottom surface of the shell, a filter screen is arranged on the shell and corresponds to the position of the air inlet hole, a first rubber plug and a second rubber plug are fixed on the shell, one end of the first rubber plug is located in the wire inlet hole, the other end of the first rubber plug is located outside the shell and has a diameter larger than that of the wire inlet hole, a first center hole for the conductive wire core to pass through is arranged on the first rubber plug, one end of the second rubber plug is located in the wire outlet hole, the other end of the second rubber plug is located in the shell and has a diameter larger than that of the wire outlet hole, and a second center hole for the paper-covered wire to pass through is arranged on the second rubber plug. The paper-covered wire wrapping process can effectively prevent the paper scraps from being clamped in the wrapping layer.

The utility model relates to the technical field of paper slitting, and discloses a paper machine slitting device which comprises a main supporting frame and a secondary supporting frame, the upper surface of the main supporting frame and the upper surface of the secondary supporting frame are each fixedly connected with two supporting blocks, one side of the outer wall of the main supporting frame is fixedly connected with a T-shaped rod, and the upper end of the T-shaped rod is connected with a dust collection mechanism. The output end of the dust suction mechanism is connected with a dust collection assembly, the input end of the dust suction mechanism is connected with a connecting assembly, and the other two ends of the connecting assembly are each connected with two flow dividing assemblies. According to the paper machine slitting device, when paper is slit, scraps and the like falling on the paper can be sucked into the dust collection assembly to be collected through the dust collection mechanism, the connecting assembly, the flow dividing assembly and the dust collection cover, and then the problem that in the current slitting process, a part of paper scraps, limiting scraps or other impurities are drawn into the paper, and the paper scraps are damaged is solved. The problems that a certain part of the roll paper is upwarped due to the fact that a certain part of the roll paper protrudes, and even the rolling effect is affected are solved.

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 paper scrap collecting device comprises the paper cutter, a collecting box is arranged on one side of the paper cutter, supporting legs are fixedly arranged at the four corners of the bottom of the collecting box, first sliding grooves are formed in the left side and the right side of an inner cavity of the collecting box correspondingly, and sliding blocks are slidably installed in the two first sliding grooves correspondingly; a second guide plate is rotationally installed between the two sliding blocks through a first rotating shaft, a lifting mechanism for driving the second guide plate to ascend and descend is arranged in the two sliding blocks and the two first sliding grooves, the lifting mechanism comprises a threaded hole formed in the top of one sliding block in a penetrating mode, and a lead screw for driving the second guide plate to ascend and descend is in threaded connection with the interior of the threaded hole; first cavities are formed in the left side and the right side of the collecting box correspondingly, and rotating assemblies for driving the second guide plates to rotate are arranged in the two first cavities correspondingly. According to the device, paper scraps are prevented from sliding into the space, outside the collecting groove, in the collecting box and missing in the collecting box, and the paper scrap cleaning and collecting efficiency is improved.

A high-basis-weight, high-strength corrugated base paper chip removal device includes a chassis, vertical wall, top plate, winding mechanism, conveying assembly, and chip removal mechanism. The winding mechanism includes a clamping assembly, a first shaft, a first motor, and a frame. The clamping assembly is divided into clamping assembly one and clamping assembly two. The conveying assembly includes a second shaft, pulleys, a conveyor belt, and a second motor. The chip removal mechanism includes a vibration assembly and a cleaning assembly. The vibration assembly includes a housing, holes, impact hammers, a flat plate, a third motor, a shaped cam, a screw, and a spring. This invention facilitates feeding and allows workers to install corrugated base paper rolls, and can clamp corrugated base paper rolls of different sizes. The conveying assembly enables automatic movement of the corrugated base paper while providing strength support. The vibration assembly uses the kinetic energy of vibration to remove chips, and the impact force can be adjusted by adjusting the tension of the spring.

This utility model discloses a high-speed pneumatic cigarette slicing device, including a pneumatic cigarette launching mechanism (1), wherein the cigarette launching port of the pneumatic cigarette launching mechanism (1) is connected to the inlet of a cigarette guiding mechanism (3); two cutting mechanisms (5) are provided at the outlet of the cigarette guiding mechanism (3); the two cutting mechanisms (5) are symmetrically arranged, and the center line of symmetry of the two cutting mechanisms (5) is collinear with the center line of the cigarette guiding mechanism (3) and the pneumatic cigarette launching mechanism (1); after compressed gas is introduced into the pneumatic cigarette launching mechanism (1), the cigarette is sucked in at the inlet end and ejected at high speed from the launching port; the cutting mechanism (5) rotates at high speed and the rotation direction is opposite to the movement direction of the cigarette; the cutting mechanism (5) slices the cigarette. The cutting depth can be quickly and manually adjusted according to the cigarette specifications to achieve high-speed counter-slicing of the cigarette, quickly separating tobacco and non-tobacco substances, and reducing paper scraps and impurities in the tobacco.

The utility model provides a carton cutting and forming device, and relates to the technical field of carton cutting and forming, the carton cutting and forming device comprises a carton cutting frame for placing paperboards, fixing plates are fixedly mounted on the left side and the right side of the inner wall of the rear side of the carton cutting frame, and a plurality of supporting rods are fixedly mounted on the inner walls of the tops of supporting rods and the tops of the fixing plates; through the arranged cutting assembly, the carton cutting device can cut a paper board, if the paper board needs to be cut into a shape capable of forming a carton, a first motor can be controlled to drive a driving shaft and a transmission gear to rotate, and the transmission gear can drive a rotating disc to rotate through a tooth groove; according to the carton cutting device, the rotating disc can drive the rotating shaft, the rotating box and the carton cutting device below to rotate by an angle, so that the cutting angle of the carton cutting device is wide, a waste scrap collecting air suction pump and an adsorption hose can move along with a sliding block, and paper scraps generated in the cutting process of the carton cutting device can be adsorbed and collected.

The application discloses a self-cleaning grinding and lubricating package for a paper shredder, which comprises a grinding envelope, grinding and lubricating pieces and a folded edge, the grinding and lubricating pieces are fixed on the grinding envelope and used for grinding and lubricating the cutter of the paper shredder, the folded edge is formed by extending at least one short side of the grinding envelope outwardly or is directly fixed on at least one short side of the grinding envelope, and is used for generating a friction force between the folded edge and the upper surface of a paper supporting plate of the paper shredder and then taking away the paper scraps and powder on the paper supporting plate or the cutter of the paper shredder from one side or both sides of a paper inlet. The self-cleaning grinding and lubricating package for the paper shredder has the advantages of simple structure, convenient use, greatly improved grinding, lubricating and cleaning effects and multiple functions of grinding, lubricating and cleaning.

The utility model relates to a convenient-to-clean cutting device for carton processing, which comprises an operation table, a movable support is arranged above the operation table, a cutting machine is arranged on one side below the movable support, a material guide box is arranged in the operation table, a plurality of supporting plates are connected above the material guide box, a cleaning roller is arranged on one side above the supporting plates, and the cleaning roller is connected with the movable support. The connecting shafts at the two ends of the cleaning roller are embedded into the sliding blocks, the connecting shaft at one end of the cleaning roller is connected with a first motor, and threaded blocks are connected to the lower portions of the sliding blocks. The material guiding box and the supporting plates are arranged, the cleaning roller is arranged above the supporting plates, the supporting plates can support paperboards, paper scraps generated in the cutting process can penetrate through gaps between the supporting plates to fall into the material guiding box, and after cutting is completed, the cleaning roller is arranged on the supporting plates. And the paper scraps falling on the supporting plate can be cleaned down through movement of the cleaning roller on the supporting plate, so that the paper scraps generated during cutting can be conveniently cleaned and collected.

The utility model relates to the field of cutting devices, and discloses a cutting device for paper product production, which comprises a box body, the inner wall of the box body is rotatably connected with a rotating shaft I, one side of the rotating shaft I is rotatably connected with a maintenance plate, one side of the box body is provided with a protection component, and the inner wall of the box body is fixedly connected with a cutting box. An electric push rod is fixedly connected to the inner wall of the cutting box, a tool bit is fixedly connected to the output end of the electric push rod, a fixing plate is fixedly connected to the inner wall of the box body, a telescopic rod is fixedly connected to one side of the fixing plate, an extrusion plate is fixedly connected to one side of the telescopic rod, a collecting box is arranged on one side of the box body, and a sliding groove is formed in the inner wall of the box body. According to the utility model, the protection window for preventing paper scraps from outburst and the maintenance plate for maintaining the machine are added firstly, so that the effect of preventing surrounding operators from being injured due to outburst of the paper scraps caused by overlarge stress is achieved, and the problem that in the production process, the paper scraps generated by cutting outburst due to blunt blades is solved.

The utility model discloses a humidifying device for paper product processing, which comprises a mounting plate, a frame is mounted at the top end of the mounting plate, a box body is mounted at the bottom end of the mounting plate, shells are symmetrically arranged on the inner side of the frame, and an organ hose is arranged at one end of each shell; a circulating mechanism is arranged in the box body, and a lifting assembly is arranged on the inner side of the top end of the frame; wherein the circulating mechanism comprises a screen frame mounted on one side of the interior of the bottom end of the box body, a filter screen is mounted in the screen frame, and a water tank is mounted on one side of the screen frame, so that the effect of circulating use of accumulated water can be achieved, impurities in water are filtered through the filter screen, and the water quality is improved. And through the design of a first brush plate and a second brush plate, the filter screen in the screen frame can be quickly unblocked, and the situation that the filter screen is blocked by paper scrap impurities, and the water source recycling effect is affected is avoided.

The utility model relates to the technical field of die-cutting machines, in particular to a paper cup die-cutting machine which comprises a supporting plate and an air extractor, an empty groove is formed in the inner side of the supporting plate, a pair of bottom frames are fixedly connected to the side face of the inner wall of the empty groove, clamping grooves are formed in the side faces of the inner walls of the bottom frames, and a pair of baffles are arranged above the supporting plate. The bottom of the baffle is fixedly connected with a clamping ring matched with the clamping groove, and a cleaning assembly is arranged in the bottom frame. An annular exhaust pipe is arranged on the side face of the inner wall of the bottom frame in a penetrating mode, a plurality of exhaust holes are formed in the outer side of the exhaust pipe, and the output end of the air extractor is connected with the exhaust pipe. According to the rectangular paper scrap cutting device, the baffle and the bottom frame are arranged in a matched mode, so that the baffle and the bottom frame can be closed, paper scraps generated by rectangular paper scrap cutting are shielded, the situation that the paper scraps are scattered outside and pollute the external environment is avoided, and the paper scraps in the groove are extracted and cleaned through the matched arrangement of the air extractor, the air extraction pipe and the air extraction hole.

The utility model discloses a kind of up and down layered season adaptive type detachable hamster nest, it includes pedestal shell, upper layer hemispherical shell, upper layer floor, internal stairway, external spiral ramp, side platform, lateral sand pit and top-mounted meal basin.Pedestal shell is cavity structure, lower part is provided with arch-shaped entrance and exit, and sawdust or paper chip can be selectively filled;Upper layer hemispherical shell is connected with pedestal shell, bottom upper layer floor separates internal space into two layers;Internal stairway connects lower layer hideout with upper layer floor;External spiral ramp spirals to side platform along the outer wall of pedestal shell;Lateral sand pit fixed to the side wall of pedestal shell is used for sand bath and excretion;Top-mounted meal basin is arranged at the top of upper layer hemispherical shell.Outer wall of upper layer hemispherical shell is provided with ventilation window, and outer wall step catch strip is used for hamster to climb.The structure realizes warm-keeping, ventilation and multi-functional partition in limited volume, and can be disassembled and washed without tool, and is suitable for mouse cage environment with limited space.

The invention discloses a molding sand pretreatment device for intelligent casting island processing, and relates to the technical field of casting, the molding sand pretreatment device comprises a machine body, and further comprises a grinding mechanism arranged at the upper part of the interior of the machine body and used for grinding molding sand pretreatment; and the magnetic screening mechanism is arranged at the lower part in the machine body and is used for screening magnetic impurities of the ground molding sand. Molding sand is fully ground through the grinding mechanism, favorable conditions are created for follow-up screening, magnetic impurities in the molding sand are adsorbed and accurately separated out through an electromagnetic plate, light impurities such as leaves, batting and paper scraps are blown away through wind power generated by rotation of fan blades, the probability that the impurities are mixed into the molding sand is greatly reduced, and the production efficiency is improved. The surface quality and the internal structure stability of the casting are improved, casting defects are reduced, a large amount of manual intervention is not needed in the whole pretreatment process, the labor intensity is greatly reduced, manual operation errors are effectively reduced through an automatic continuous operation mode, the production efficiency is improved, and the efficient and accurate production requirements of an intelligent casting island are met.

The paper scrap rapid cleaning device for the paper shredder comprises a drawer box and a panel, the panel is integrated on the front face of the drawer box, and a main roller and a secondary roller are movably connected into the drawer box. The paper scrap scattering device has the advantages that the stirring rods on the main roller and the secondary roller scatter numerous paper scraps and scatter regular accumulation of the paper scraps, and the stirring rods physically scatter the paper scraps, so that the paper scraps which are possibly kept in a certain shape or regularly arranged originally become disordered. Paper scraps in the drawer box are stacked and distributed in an irregular state, so that the possibility that paper files are recovered is reduced, and the confidentiality of the paper shredder is improved; the top end of the rotating handle is continuously and movably connected with the bottom end of the elastic piece, the elastic piece is elastically reset after the rotating handle is separated from the elastic piece, the knocking piece on the inner side of the elastic piece continuously knocks the drawer box, and the drawer box has a continuous vibration effect, so that internal paper scraps are stacked more densely, paper scrap stacking gaps are reduced, the internal space of the drawer box is fully utilized, and the space utilization rate is increased.

The invention discloses a device and a method for collecting broken paper after coating of a reconstituted tobacco production line, and relates to the technical field of reconstituted tobacco papermaking, the collecting device comprises a fixed support, a paper receiving plate, a paper collecting device, a paper collecting device, a paper collecting device and a paper collecting device, and the fixed support is arranged at an inlet of a drying box rack between a coating rear drag roller and a drying box carrier roller; the paper receiving plate is mounted on the fixed bracket to form a sliding channel which is inclined from a paper scrap falling part to a collecting area below the coated trawl net; the air spraying pipe is arranged in the fixed bracket and faces the surface of the paper receiving plate; the water spraying pipe is arranged at the bottom of the paper receiving plate; the collecting disc is arranged below the paper receiving plate; the material detection switch is arranged on the paper receiving plate and used for detecting the position of broken paper and controlling starting or stopping of the air spraying pipe and / or the water spraying pipe. According to the invention, the air-spraying / water-spraying automatic cleaning mechanism with the material detection switch is arranged between the coating rear drag roller and the drying box carrier roller, so that the purposes of automatically and efficiently cleaning broken paper, avoiding manual intervention and saving water resources are achieved.

The purpose is to suppress abnormal noises caused by paper dust being rubbed against the separation rollers and separation pads. [Solution] The sheet transport device comprises a feed roller that feeds sheets from a paper tray in a predetermined transport direction Z, a separation pad 48 provided downstream of the feed roller in the transport direction Z, a separation roller that holds the sheets fed by the feed roller between itself and the separation pad 48 and transports them in the transport direction Z, and a groove 48A provided on the surface of the separation pad 48 that comes into contact with the sheets.

The utility model discloses a printing cylinder capable of detecting defects of gilded paper and giving an alarm, and belongs to the field of cylinders. The printing device mainly comprises a printing assembly, the printing assembly comprises two sets of side plates, a plurality of sets of bearing seats are fixedly installed on the two sets of side plates, a printing roller is arranged between the bearing seats, paper makes contact with the printing roller, and a cleaning assembly used for cleaning the paper conveyed on the printing roller in advance is fixedly installed on one side of the printing assembly. According to the printing cylinder capable of detecting the defects of the gilding paper and giving the alarm, through the combination of the roller and the air pipe, before the paper is detected, the surface of the paper can be cleaned, meanwhile, under the driving of the roller and the air pipe, the defects of the gilding paper can be detected, and the defects of the gilding paper can be detected. Dust, paper scraps and other sundries attached to the surface of the paper can be effectively removed, interference factors on the surface of the paper are reduced in the cleaning process, and then the misjudgment frequency of paper defect detection is remarkably reduced.