254 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 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 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 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 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.

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 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 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.

The utility model discloses a printing equipment for packaging carton board, including printing equipment main part, the lower extreme fixed connection of printing equipment main part has the base, one side fixed connection of printing equipment main part has control computer. The utility model discloses a printing equipment for packaging carton board, control motor drive lift control lever rotates in the inside of lift groove, makes the movable block lift activity in the outer wall of lift control lever, can drive dust extraction hopper simultaneously in the inside lift activity of N type adjusting support, suction pump can provide suction, can carry out dust extraction operation to the paperboard on carton movable tray, dust etc.

If the paper dust attracted to the plate-shaped member is left accumulated, the attracted paper dust may fall onto the sheet. However, there is no disclosure of a technique for removing the paper dust attracted to the plate-shaped member from the plate-shaped member, and there is room for improvement.SOLUTION: A transport belt that transports a medium in a transport direction by circulating, a charging section that charges the medium transported in the transport direction, an clinging member that is located downstream of the charging section in the transport direction, is provided to face the transport belt, and is charged to a polarity opposite to a polarity that the charging section imparts to the medium, an impact imparting section that performs an impact imparting operation of imparting an impact to the clinging member, and a suction section that air in the vicinity of the clinging member, the impact application section performs an impact application operation in a state in which the attachment member does not oppose the medium that is transported by the transport belt.SELECTED DRAWING: Figure 1

The application provides a paperboard dust removal device of a paperboard printing machine, and relates to the technical field of printing machines, which comprises a base, a dust removal box arranged on the base, a mounting seat movably arranged on the base, a conveying assembly arranged on the base and used for driving the mounting seat to enter and exit the dust removal box, two holders movably arranged on the mounting seat, a combination and separation assembly arranged on the mounting seat and used for driving the two holders to combine with each other or separate from each other, a suction assembly arranged on the holder and used for adsorbing paperboard, and a pushing assembly arranged on the holder and used for pushing the paperboard, a dust removal assembly arranged in the dust removal box and used for cleaning dust on the surface of the paperboard, and a dust collection assembly arranged in the dust removal box and used for collecting dust; the paperboard dust removal device of the paperboard printing machine can comprehensively clean the two side surfaces of the paperboard, ensure the dust removal effect, prevent dust, paper scraps and other impurities attached to the paperboard from affecting the printing effect, and ensure the printing quality.

The invention relates to the technical field of costume design, in particular to a costume design line drawing device which comprises a line drawing seat, a smoothing assembly and a cleaning assembly, a placing groove is formed in the upper end of the line drawing seat, the smoothing assembly is arranged in the placing groove, first electric sliding rails are symmetrically arranged at the front and back of the upper end of the line drawing seat, and first electric sliding tables are slidably connected to the first electric sliding rails; a second electric sliding rail is arranged at the lower end of the support, a second electric sliding table is slidably connected to the second electric sliding rail, an electric telescopic rod is arranged at the lower end of the second electric sliding table, a mounting plate is arranged at the lower end of the electric telescopic rod, a line drawing end is arranged at the lower end of the mounting plate, and a cleaning assembly corresponding to the line drawing end is arranged on the mounting plate. When the line drawing device is used, when the line drawing end is used for drawing lines, paper scraps or carbon paper powder generated during line drawing can be conveniently collected through the arranged cleaning assembly, later cleaning is facilitated, the pollution problem in the line drawing process is solved from the source, and work and fabric cleanliness is kept.

The utility model discloses a cleaning device for a printing machine, which comprises a supporting table, a mounting box is mounted on the upper surface of the supporting table, a mounting frame is mounted in the mounting box, two cleaning brush rollers are rotatably mounted in the mounting frame, and two motors A are fixed on the outer surface of the mounting box. The output end of each motor A penetrates through the mounting box and extends into the mounting frame; the motor A is arranged to drive the two cleaning brush rollers to clean paper scraps on the surface of paper, the paper scraps can be effectively brushed away from the surface of the paper through the rotating motion of the cleaning brush rollers, the cleanliness of the paper is guaranteed, and therefore the quality of printed matter is improved, and the production efficiency is improved. The two dust suction hoods are driven by the pump body A to extract paper scraps cleaned out of the interior of the mounting frame, the extracted paper scraps are conveyed into the collecting box through the output pipeline to be stored, the cleaned paper scraps can be sucked in through suction force of the dust suction hoods, and the situation that normal operation of equipment is affected by accumulation of the paper scraps is avoided.

The utility model relates to a paper printing product edge cutting waste collecting system belongs to gold and silver cardboard preparation technical field, including frame, the inside rotation of frame is installed with transmission roll, the inside of frame and located transmission roll's top fixedly connected with upper support rod, the inside of frame and located transmission roll's below fixedly connected with lower support rod. The utility model's beneficial effect lies in, in the process of cutting edge to gold and silver cardboard, the air blower is communicated with the discharge pipeline and blows to discharge pipeline side, forms gas flow in the discharge pipeline, and this gas flow will cause the air pressure to reduce, and then forms the negative pressure, and the collection pipeline also will produce the wind flow to the discharge pipeline, and then can send the paper scrap into the waste room with the help of the hard pipe of cutting station both sides, thereby can directly cut the paper strip and paper scrap into the pipeline and discharge, effectively avoided the interference of waste paper scrap to gold and silver cardboard product quality.

A method for producing graphite from paper for use as a filter or construction material provides a cost-effective, simple and sustainable method for producing graphite. Paper / wastepaper, paper shreds or paper strips are soaked in water in a suitable container for several hours. The soaked paper is mixed and comminuted using a suitable device until a paste or a mixture having a paste-like consistency forms. Sugar or starch is added to the paste as a binder. The paste is inserted into a suitable mold, and the water is subsequently pressed out of the paste by pressing or the paste is isostatically pressed, so that a pressed product is formed. The dewatered pressed product is removed from the mold and carbonized in a furnace at >1000° C. and then graphitized at >2000° C. (at most up to 3000° C.).

The invention provides a clothes washing device and a washing control method thereof, electronic equipment and a storage medium, and the washing control method comprises the following steps: measuring a spectrum value of washing water; determining the existence condition of the paper scraps in the current washing water according to the spectral value; and controlling the response of the washing program according to the existence condition of the paper scraps. Compared with the prior art, the existing condition of the paper scraps in the current washing water is determined by measuring the spectral value of the washing water, so that the response of the corresponding washing program is controlled according to the amount of the paper scraps in the washing water, and the use experience of a user is improved. Besides, according to the scheme provided by the invention, whether the paper scraps exist in the washing water or not can be detected, and the condition of the amount of the paper scraps in the washing water can also be obtained, so that washing parameters in the scrap removal process are dynamically adjusted according to the amount of the paper scraps in the washing water, and abrasion of clothes in the scrap removal process is reduced.

The utility model discloses full-automatic straight paper cup processing equipment which comprises a bottom plate, a plurality of rollers are rotatably connected to the inner surface of the bottom plate, a paper conveying belt is rotatably connected to the outer walls of the rollers, a supporting frame is fixedly connected to the upper surface of the bottom plate, a hydraulic rod is fixedly connected to the lower surface of the supporting frame, and a lifting frame is fixedly connected to the lower end of the hydraulic rod. A cover shell is fixedly connected to the lower surface of the lifting frame, two sliding grooves are formed in the cover shell, sliding blocks are connected to the inner surfaces of the two sliding grooves in a sliding mode, through the components, the edge of paper can be flattened, the paper can be wound and attached to be made into the paper cup subsequently, the flat edge can guarantee that all parts of the paper cup are attached tightly in the forming process, and the paper cup forming quality is improved. The paper cup is simple in structure and free of wrinkles and gaps, so that the overall quality of the paper cup is improved, and the situation that paper scraps are clamped between the edges of the paper when the paper is wound and attached, and the paper cannot be completely and tightly attached together can be prevented.

The utility model discloses slitting equipment for honeycomb paperboard processing, and relates to the technical field of honeycomb paperboard processing, and the slitting equipment comprises a workbench, a mounting seat is fixedly mounted at the end part of one side of the workbench, a cutting device is fixedly mounted on the top surface of the mounting seat, a fixing groove is formed in the top surface of the workbench, and the cutting device is fixedly mounted in the fixing groove. A driving device is fixedly installed in the fixing groove, the cutting device comprises a fixing frame, an electric sliding rail is fixedly installed on the inner top face of the fixing frame, the cutting position of the honeycomb paperboard needing to be cut is moved to the position parallel to the cutting cutter head, the running cutting cutter head is controlled to move at a constant speed, and the cutting task of the honeycomb paperboard is completed. When the cutting device works, the dust collector works, under the operation of a dust collection structure in the dust collector, paper scraps generated when the honeycomb paperboard is cut by the cutting cutterhead are sucked into the dust collector through the dust collection cover and the dust collection hose to be collected, and the situation that the paper scraps float in the air and are sucked into the body of a worker, and the body health of the worker is harmed is prevented.

Aqueous slurry which includes solid foreign matter and paper dust is pressed by means of a screw press, provided with a mesh having openings not less than 1.5 mm and not greater than 3 mm, to separate the aqueous slurry into the solid foreign matter and the paper dust, and liquid component passing through the mesh. Then, the liquid component is sieved by means of a sieve having openings not greater than 1 mm to separate from the liquid component the solid foreign matter and the paper dust.

The utility model provides a paper product processing waste collecting device which comprises a spiral conveyor, the spiral conveyor extends in the horizontal direction and comprises a shell and a spiral auger arranged in the shell, a feeding port and a discharging port are formed in the two ends of the spiral conveyor respectively, a shielding cover is arranged at the feeding port of the spiral conveyor, and a discharging port is arranged at the discharging port of the spiral conveyor. An opening of the shade faces a workbench for processing paper products; an air inlet of the first dust collector is formed in the shade and faces the opening of the shade, and a blocking net is arranged on the air inlet; and the storage box is arranged at the discharge port of the spiral conveyor. Furthermore, a second dust collector is arranged above the shade. The waste collecting device for paper product processing can effectively collect chippings, paper slips and paper scraps, not only can effectively clean the paper scraps, but also can effectively process in a centralized mode, and is simple in structure, easy to maintain and not prone to being blocked.

The utility model relates to the technical field of office equipment, in particular to a paper shredder with a blow molding paper storage barrel, which comprises a shredder body, a paper inlet is arranged at the upper end of the shredder body, a plurality of control keys are arranged on the front portion of the upper end of the shredder body, and a collecting bin is arranged at the front end of the shredder body. Movable grooves are formed in the left side and the right side of the inner lower wall of the collecting bin, a paper storage device is jointly arranged in the two movable grooves and the collecting bin, a pressing mechanism is fixedly installed on the upper portion of the interior of the smashing machine body, a clamping groove is formed in the upper portion of the front end of the smashing machine body, and a limiting hole is formed in the inner rear wall of the clamping groove. According to the paper shredder with the blow molding paper storage barrel, due to the fact that the pressing mechanism is arranged, when many paper scraps exist in the paper storage barrel, pressing on the paper scraps can be started, the utilization rate of paper storage space is improved, the cleaning frequency is reduced, the paper shredder can easily slide out of the paper storage barrel by pulling the handle in the cleaning process through the movable wheels, operation is easy and efficient, and manpower and time cost are saved.

To transport a slip of paper derived from a waste gypsum board with a screw conveyor and separate dihydrate gypsum adhering to the paper slip when the dihydrate gypsum is recovered from the waste gypsum board.CONSTITUTION: A screw conveyor includes: a screw shaft including multiple vanes for sending a transported object in one direction; driving means which rotates the screw shaft; and a casing which encloses the screw shaft. The screw shaft includes a section with no vane provided in an intermediate part as seen in a length direction. A mesh is provided at a bottom part of the casing.SELECTED DRAWING: Figure 2