70results about How to "Reduce stuck situations" patented technology

The invention discloses a drilling machine capable of relieving dill bit damage. The drilling machine comprises a base; universal wheels are movably connected to the two sides of the bottom of the base through brackets; a vertical column is movably connected to the left side of the top of the base; a workbench is fixedly connected to the right side of the top of the base; the top of the workbench is provided with a clamping device; a rocker arm is fixedly connected to the top of the vertical column; a liquid box is fixedly connected to the left side of the top of the rocker arm; and a machine box is fixedly connected to the right side of the bottom of the rocker arm. According to the cooling liquid circulation drilling machine, cooling liquid self circulation arrangement is adopted, the situations of drill bit abrasion, scrap splashing and seizing up of a drill bit and a machined workpiece in the operation process are decreased, thus, damage to the drill bit is relieved, and the production efficiency is improved; and by arranging water blocking plates on the two sides of the top of the workbench, the effect that cooling liquid used in the machining process is effectively recycled is ensured, and pollution of the cooling liquid to an operation platform is avoided.

The invention discloses a hydraulic control three-jaw chuck device with a function of preventing the blockage of iron chips. The hydraulic control three-jaw chuck device with the function of preventing the blockage of the iron chips comprises a disc body and jack catches, wherein the disc body is provided with an annulus shaft and a fan; the center-of-circle position of the annulus shaft is provided with a through hole; the annulus shaft is also provided with a plurality of air outlet holes; the fan is connected with the air outlet holes through guiding pipes; a hydraulic mechanism is also arranged in the disc body; the hydraulic mechanism is connected with certain ends of the jack catches; the other ends of the jack catches are connected with the annulus shaft; moreover, the jack catches are located in the through hole of the annulus shaft; the jack catches are also provided with antiskid mats. According to the hydraulic control three-jaw chuck device with the function of preventing the blockage of the iron chips, a hydraulic control way is adopted to realize the clamping of the jack catches on a work piece; labor and time are saved; furthermore, by using the device, the iron chips can be effectively prevented from entering the inside of the disc body; moreover, the temperature of a surface when the work piece is machined can be also decreased; the service life of a cutter is prolonged.

A seat stem adjustment device includes a seat stem received in an outer tube, a control unit connected to a bicycle frame, and a leverage unit located between the outer tube and the control unit. The control unit has a cable which is connected to and driven by a lever. The leverage unit has a top member connected to the outer tube. A first link and a second link are pivotably connected to the top member. The first link contacts the valve rod. The second link has a mediate portion pivotably connected to the top member. The second link is connected to the cable. A resilient member is connected between the top member and the second link. The second link pushes the first link to open or close the hydraulic liquid path when the cable is operated so as to adjust the height of the seat.

The invention discloses a single-main-beam multi-point driving solar tracking system. The system comprises a main beam and at least one rotary speed reducer, wherein one of the at least one rotary speed reducer is connected with a motor; the rotary speed reducer connected with the motor is a driving rotary speed reducer, the other rotary speed reducers are driven rotary speed reducers, and the torque of the driving rotary speed reducer is transmitted to the driven rotary speed reducers through a transmission shaft; and the rotary speed reducers, the transmission shaft and the main beam are arranged to rotate synchronously in the same direction. The transmission shaft and the main beam synchronously act in the same direction, and then the main beam can be used for supporting the transmission shaft, so the transmission shaft is not prone to torsion or breakage, the service life of the transmission shaft is long, and with the structure, the diameter of the transmission shaft does not need to be too large and equipment investment cost is low; and due to the fact that the transmission shaft, the motor and the main beam rotate synchronously, in the turning process of the main beam, a photovoltaic panel cannot collide with the transmission shaft, the adjustable angle of the main beam is larger, flexibility is higher, and the service life of the equipment is prolonged.

The invention relates to a shower room glass sliding door structure. The shower room glass sliding door structure comprises a first slide rail set, two connecting rods, a second slide rail set, two fixed separation plates and two sliding separation plates; the lower end of the first slide rail set is connected with the upper end of the second slide rail set through the two connecting rods; the twofixed separation plates are mounted on the inner side surfaces of the two connecting rods; and the two sliding separation plates are arranged between the first slide rail set and the second slide rail set. The shower room glass sliding door structure can solve such problems as the condition of easy dust accumulation due to the open design of traditional sliding door rails, the conditions of difficult cleaning and easy blockage of glass sliding doors due to precipitation of falling hair of people and dust in the sliding door rails along with water currents during showering and the conditions of higher loss of connecting slide blocks and difficult replacement of the connecting slide blocks due to supporting and sliding of the whole glass sliding doors by the connecting slide blocks at the lower ends of the glass sliding doors.

The invention relates to a medium-pressure switch cabinet door closing lock which comprises a door lock and a door plate. The door lock is fixed on the door plate, a fanning strip is fixed on the door lock, and a crank connecting rod is fixed on the fanning strip. A spring bolt is fixed on the door plate, a groove buckle and a groove hole are arranged on the spring bolt, the groove buckle is connected with the groove hole, and the other end of the crank connecting rod is fixed on the spring bolt. A spring bolt support is fixed on the door plate and provided with a cylinder head, a roller is sleeved on the cylinder head of the spring bolt support, and the roller is embedded in the groove hole of the spring bolt. The medium-pressure switch cabinet door closing lock has the main advantages that the door lock and the spring bolt are relatively separated, the door lock is not related when the spring bolt bears impact force of the door plate in a vertical direction of a plane of the door plate; the door lock adopts a single-column rotation door lock, an original complicated door lock inner mechanism is simplified, using reliability of the door lock is guaranteed; single spring bolt multipoint lock closing is adopted, and failure rate and occurrence rate of spring bolt clamping situations are reduced.

The invention discloses a pressurizing bellyband device for gynaecology and obstetrics and relates to the technical field of gynaecology and obstetrics articles. The pressurizing bellyband device for the obstetrics and gynecology department comprises a box body, the interior of the box body is of a hollow structure, the right side of the box body is fixedly connected with a first fixing band and a second fixing band, and the opposite sides of the first fixing band and the second fixing band are fixedly connected with hook-and-loop fasteners. According to the pressurizing bellyband device for the obstetrics and gynecology department, a second supporting rod is driven by a threaded rod to move rightwards, so that the second supporting rod pushes a supporting frame and an air bag at the position where the supporting frame is located to move rightwards, the air bag extrudes and tightens the wound part of a patient more conveniently, and meanwhile the patient can adjust the position of the wound according to the position of the wound; the extrusion contraction part of the air bag is adjusted, so that a patient can use the device more smoothly, meanwhile, the air bag has certain elasticity, the tightening pain feeling of the patient is reduced to a certain degree, and the patient can use the device more comfortably.

The invention discloses a pre-rotating pier anti-collision device, whichbelongs to the technical field of traffic safetyand aims at solving the problem thatwhen an existing pier anti-collision deviceis impacted by a ship, the impact force borne by a pier is too large. The anti-collision device comprises an inner anti-collision assembly, a rotating assembly and an outer anti-collision assembly which are sequentially and coaxially arranged from inside to outside. The outer anti-collision assembly and the inner anti-collision assembly are connected in a relatively rotating mode through therotating assembly. The pier is sleeved with the inner anti-collision assembly. Two pairs of grooves are formed in the outer wall of the lower part of the outer anti-collision assembly; the two pairs of grooves are distributed in a mirror image manner relative to the central axis of the outer anti-collision assembly; a pilot assembly is further arranged outside the pier. The pilot assembly comprises a support and two pairs of right-angle tamping rods, each right-angle tamping rod is of an L-shaped structure, one end of each right-angle tamping rod is fixedly connected with a ball, the support is fixedly arranged on a pier on the lower portion of the outer anti-collision assembly, and the two pairs of right-angle tamping rods are oppositely arranged in a rectangular shape and arranged on the lowerportion of the outer anti-collision assembly in a sliding mode.

The invention discloses a hydraulic buffer hinge assembling machine. The machine comprises an arm body assembling machine for assembling a pocket and an arm body together, a base assembling machine for assembling a base and an oil cylinder assembling machine for assembling an oil cylinder. The arm body assembling machine is used for connecting the arm body, a plum blossom block, a torsional spring, colloidal particles, the arm body and the pocket into an integrated structure; the base assembling machine is used for assembling a base on a semi-finished product generated by the arm body assembling machine; and a pocket assembling machine is used for assembling an assembly of the oil cylinder and a triangular block on a semi-finished product produced by the base assembling machine. By the adoption of the arrangement, the hydraulic buffer hinge assembling machine has the advantages that all parts can be accurately and intelligently assembled into a hydraulic buffer hinge product instead ofmanual work, and meanwhile the production percent of pass and the production efficiency are improved.

The invention discloses a high-efficiency ecological management salvaging device and salvaging method in the technical field of ecological management. The high-efficiency ecological management salvaging device comprises a box body of which the front end is open and the surface is provided with a plurality of water permeable holes, the front end of the box body is provided with an axial cutting assembly mounted on a rotating shaft, and the rotating shaft is driven by a waterproof motor; a radial cutting assembly is arranged on the front side of the axial cutting assembly, the radial cutting assembly is in transmission connection with the axial cutting assembly through a linkage assembly, a material lifting assembly penetrating through the top face is vertically arranged in an inner cavity of the box body, and a material pressing assembly is arranged on the rear side of the inner cavity of the box body. According to the high-efficiency ecological management salvaging device and salvagingmethod, through cooperative operation of the vertical cutting assemblies in the axial and radial directions, the salvaging device and the salvaging method are suitable for salvaging operation of various sundries under the water surface, meanwhile, compaction operation is carried out under the water surface, the limited assembly area is reduced, the work intensity is reduced, the work shoe efficiency is improved, and the use effect is good.

The invention discloses a continuous surface defect detection device for a slender part, and belongs to the field of industrial visual defect detection. The device comprises a rack, a conveying mechanism, a material box bracket, a blanking mechanism, a screening mechanism, a detection mechanism, a speed reducer, a driving motor, a driving gear and a driven gear, wherein the rack is fixed on the ground; the material box is fixed at the starting point of the rack through the material box bracket; the screening mechanism is fixed at the end point of the rack; the detection mechanism is positionedin the middle of the rack; the speed reducer is connected with an output shaft of the driving motor; the speed reducer is fixed on the rack through a torque arm; the blanking mechanism is positionedat the starting point of the device; the conveying mechanism is positioned inside the rack; the detection mechanism is positioned in the middle of the device; the screening mechanism is positioned atthe end point of the device. According to the device, the slender part is firstly transited to the conveying mechanism through the blanking mechanism, then is detected through the detection mechanism,and finally is screened through the screening mechanism to obtain a qualified product.

The invention discloses a tracking drive system with a multi-point support drive shaft. The system comprises a main beam and at least one rotary speed reducer, one rotary speed reducer is connected with a motor and is in transmission connection through a transmission shaft, the transmission shaft is positioned in the main beam, and a universal corner joint is arranged in the rotary speed reducer. The transmission shaft is located in the main beam, the transmission shaft is prevented from being affected by severe environments, the problems of corrosion, aging and the like of the transmission shaft are solved, and the service life of the transmission shaft is prolonged; besides, the situation that the transmission shaft is stuck due to sandstorm is reduced, and the failure rate is reduced; and moreover, the transmission shaft is arranged inside, so that the appearance layout of the whole equipment is simpler and more attractive.

The invention discloses a combined type floating roof tank sealing device. The device comprises a floating roof main body, wherein a nitrogen bag is arranged on the lower end face of the floating roofmain body, and the floating roof main body is of a cake-shaped structure; a primary sealing mechanism is arranged on the side face of the floating roof main body, the primary sealing mechanism comprises multiple layers of clamping plates, annular air bags are arranged between the adjacent clamping plates in a sleeving mode, and the annular air bags communicate with the nitrogen bag through a partial pressure pipeline mechanism; a plurality of circumferentially arranged protrusions are arranged on the outer side wall of the annular air bags, the outer edges of the protrusions are arranged beyond the outer edges of the clamping plates, and after gas in the nitrogen bag is pressed into the annular air bags, the protrusions tightly press the inner wall of a floating roof tank, so that the floating roof tank below the floating roof main body forms a closed space; and a mounting plate used for mounting a secondary sealing mechanism is arranged at the edge of the upper portion of the floating roof main body. The device has the advantages of being simple in structure, good in sealing performance, long in service life, not prone to generate the situation that a floating roof is clamped andthe like.

The invention relates to the technical field of highland barley drought-resistant ploughing and planting devices and discloses a highland barley drought-resistant ploughing and planting device. The highland barley drought-resistant ploughing and planting device comprises a machine body, a seeding device is arranged at a top part of the machine body, a fertilization box is arranged at a top part of the machine body and in a vertical U shape, first channels communicating with an interior of a transverse plate of the fertilization box are fixed to a bottom part of the transverse plate of the fertilization box and a left side of a right vertical plate of the fertilization box is fixedly connected with a quantity limiting pipe communicating with interiors of the first channels. In the highland barley drought-resistant ploughing and planting device, quantitative adjustment of a chemical fertilizer is achieved by moving positions of a second quantitative groove and a first quantitative groove, a user can adjust the fertilizing amount according to the actual situation of the land, such that highland barley seeds can grow more smoothly, meanwhile, a survival rate of the highland barley seeds is increased to a certain extent, manual fertilization by a user is reduced, and labor intensity of the user is reduced.

The invention relates to the technical field of pet supplies, and discloses a long-hair dog hair combing comb. The long-hair dog hair combing comb comprises a shell, the interior of the shell is of a hollow structure, a handle is fixedly connected to the top of the shell, a palm groove is formed in the top of the handle, a thumb groove is formed in the front side of the handle, the interior of the thumb groove communicates with the interior of the palm groove, a power groove is formed in the bottom of the handle, and a power transmission device is arranged in the power groove. According to the long-hair dog hair combing comb, a first supporting rod drives a supporting block and a supporting plate to move downwards, a power plate rotates, then a first transmission rod is driven to enable the first supporting rod and a rotating plate to move downwards, so that when a detergent flows on the surfaces of comb teeth, through vertical movement of the supporting plate, the surfaces of the comb teeth are cleaned by drain holes, so that a user can clean the comb teeth more conveniently.

The invention discloses waste separation equipment for civil engineering construction and a separation method thereof, and relates to the technical field of waste separation. The waste separation equipment for civil engineering construction comprises a smashing machine body, a first sliding groove is formed in the front side of the smashing machine body, a collecting box is slidably connected into the first sliding groove, a supporting plate is fixedly connected to the left side of the smashing machine body, and a purifying box is fixedly connected to the top of the supporting plate. According to the waste separation equipment for civil engineering construction and the separation method of the waste separation equipment, dust generated in the crushing machine body is extracted through the exhaust fan, so that the situation that in the working process of the crushing machine body, the generated dust flies into the external environment, so that the external environment is polluted, workers inhale the dust, and the working efficiency is improved is reduced to a certain extent. And the situation that the body health of workers is threatened is avoided, so that the workers can more conveniently use the device to smash and separate the waste materials.

The invention discloses a hydraulic briquetting device, which includes a feeding device and a press; the press includes a press frame, a pressing cylinder and a cold pressing die; the feeding device includes sequentially connected feeding components, quantitative Components and a pre-pressing device; the pre-pressing device includes a pre-pressing cylinder arranged horizontally and a pre-pressing head driven by the pre-pressing cylinder, the front end of the pre-pressing cylinder is provided with a pre-pressing chamber, and the cold-pressing mold is provided with There is a slit so that the pre-pressing material cavity communicates with the cavity of the cold-pressing mold; when the pressing cylinder presses the material, the pre-pressing head extends into the slit, and the front end of the pre-pressing head A curved surface matching the inner wall of the cold pressing mold is provided; a blanking port is provided on the top of the pre-pressing cavity, and a blanking hopper is provided on the blanking port, and the blanking hopper is provided with a reversible Gland assembly. The implementation of the invention can realize automatic quantitative packaging of materials, and the stability and reliability of the device are good.

The invention discloses a high radial load rotary speed reducer which comprises a main beam and at least one rotary speed reducer body. One rotary speed reducer body is connected with a motor and is in transmission connection with the motor through a transmission shaft, a first limiting part is arranged on a shell of each rotary speed reducer body, and a worm wheel is circumferentially provided with a second limiting part matched with the first limiting part. Through the arrangement of the structures of the first limiting part and the second limiting part, it is ensured that the stability of the rotary speed reducer is higher during rotation, then it is ensured that the rotary speed reducer still has high safety protection capacity under the condition that an external travel switch fails, and it is ensured that the worm wheel rotates within a certain range.

The invention discloses a wear-resistant modified plastic and a manufacturing process thereof, and belongs to the field of polymer modified plastics, the wear-resistant modified plastic is prepared by mixing the following raw materials according to a proportion and granulating and molding in a granulator, and the materials comprise 50-80 parts of polyethylene PVC, 50-80 parts of polypropylene PP, 5-10 parts of graphite, 1-5 parts of ceramic fibers, 1-3 parts of a plasticizer, 1-3 parts of a stabilizer, 1-3 parts of a dispersant and 20-40 parts of water. The wear-resistant modified plastic has a high-strength wear-resistant effect, can be widely applied to the field of doors and windows, and has a good application prospect.

The invention discloses a heating furnace discharged ground roller cooling structure which comprises a base and a steel tapping roller mounted on the base. The steel tapping roller comprises a hollowrotating shaft and an annular transport groove arranged on the hollow rotating shaft in a sleeving manner, and the transport groove is fixedly connected to the hollow rotating shaft and is used for carrying and conveying continuous cast steel billets; and the hollow rotating shaft is internally provided with a cooling water pipe, and the end, outside the hollow rotating shaft, of the water pipe isconnected to a water conveying pipe. An existing solid shaft is replaced with the hollow rotating shaft, the cooling water pipe is led into the rotating shaft so as to supply cooling water, heat received by a discharged ground roller is continuously brought away through the cooling water, the discharged ground roller is kept to run at the relatively lower temperature, and the condition that the ground roller is stuck due to high-temperature evaporation of lubricating oil is effectively avoided.

The invention discloses a photovoltaic tracking system with multiple mounting directions of a motor. The system comprises a main beam and at least one rotary speed reducer, one rotary speed reducer is connected with the motor, the rotary speed reducer is in transmission connection with the motor through a transmission shaft, and the lower portion of a shell of the rotary speed reducer is provided with an installation position where the motor can be placed. Through the arrangement of the mounting position, when the main beam rotates, the main beam does not collide with the motor, the stability of equipment during operation is guaranteed, and the motor is arranged at the mounting position, so that the space occupancy rate is reduced, and the whole rotary speed reducer is more attractive.

The invention relates to a glass sliding door structure for a shower room, which comprises a No. 1 sliding rail group, two connecting rods, a No. 2 sliding rail group, two fixed partitions and two sliding partitions. The two connecting rods are connected with the upper end of the No. 2 slide rail group, a fixed partition is installed on the inner side of each connecting rod, and two sliding partition plates are arranged between the No. 1 slide rail group and the No. 2 slide rail group. The invention can solve the problem that the existing sliding door track is usually open design, which is easy to cause dust accumulation, and when people take a shower, the falling hair may flow into the sliding door track with the water flow, thereby forming deposits with dust The object is left in the sliding door track, which is difficult to clean. At the same time, it is easy to cause the glass sliding door to be stuck. The lower end of the glass sliding door needs to support and slide the entire glass sliding door, so that the loss of the connecting slider itself It is relatively large, and the existing connecting slider is difficult to replace.

The application relates to a device for automatic production of square annular blades, including a punching and bending station on the lower die and a top leveling station, on the side of the punching and bending station away from the top leveling station The top material mechanism, the material extraction mechanism located on the side of the top leveling station away from the punching and bending station, the unloading mechanism located between the top leveling station and the material extraction mechanism, and the upper mold Forming mechanism; the forming mechanism includes a punching and bending device and a top leveling device, the punching and bending station has a first channel for forming the steel strip to the workpiece in the intermediate state, and the top leveling station has a workpiece for forming the intermediate state. To the second channel of the square ring workpiece, the first channel is connected with the second channel; the ejector mechanism drives the intermediate workpiece in the punching and bending station to move to the top leveling station, and the extraction device drives the top leveling station. The square ring type workpiece in the flat station moves to the feeding mechanism. The present application has the effect that the square ring type blade can be produced automatically.

The invention relates to the technical field of feed processing, and discloses a selenium-enriched chicken feed processing and delivering all-in-one machine. The selenium-enriched chicken feed processing and delivering all-in-one machine comprises a processing box; a feeding channel is formed in the top of the processing box; the interior of the feeding channel is communicated with the interior of the processing box; a first fixing block is fixedly connected to the front side of the feeding channel; the interior of the first fixing block is of a hollow structure; and the left side of the first fixing block is slidably connected with a positioning rod. The selenium-enriched chicken feed processing and delivering all-in-one machine moves forwards through a transmission rod; then, a sweeping rod is tightly attached to the inner wall of the feeding channel to rotate; then the inner wall of the feeding channel is cleaned; therefore, workers can use the machine more conveniently; meanwhile, residues on the inner wall of the feeding channel can be cleaned more thoroughly to a certain degree; and the situation that residues mildew after staying on the inner wall of the feeding channel for a long time, chicken feed is polluted, and the body safety of chicks is threatened is reduced.

The invention relates to equipment for automatically producing a square-ring-shaped blade. The equipment comprises a punching and bending station and a top leveling station which are arranged on a lower die, a material ejecting mechanism which is arranged on the side, away from the top leveling station, of the punching and bending station, a material pumping mechanism which is arranged on the side, away from the punching and bending station, of the top leveling station, a discharging mechanism which is arranged between the top leveling station and the material pumping mechanism, and a formingmechanism which is arranged on an upper die. The forming mechanism comprises a punching and bending device and a top leveling device. The punching and bending station is provided with a first channelallowing a steel belt to be formed to a workpiece in the middle state, the top leveling station is provided with a second channel allowing the workpiece in the middle state to be formed to the square-ring-shaped workpiece, and the first channel communicates with the second channel. The material ejecting mechanism drives the workpiece in the middle state in the punching and bending station to movetowards the top leveling station, and the pumping device drives the square-ring-shaped workpiece in the top leveling station to move towards the discharging mechanism. The device has the effect of being capable of automatically producing the square-ring-shaped blade.

The invention discloses an automatic balancing and locking mold device for a lithium battery industry. The device comprises an upper mold plate, each end of the upper side surface plate of the upper mold plate is connected with a locking piece through two fixing bolts, an upper mold mounting plate is arranged between the locking pieces, a plurality of screw holes are formed in the upper mold plate, plungers are arranged in the screw holes in a one-to-one correspondence mode, springs are arranged in the plungers, and steel balls are connected to the positions, close to the upper mold mounting plate, of one ends of the springs. According to the device, the plurality of screw holes are formed in the upper mold plate, the plungers are arranged in the screw holes, the steel balls in the plungers are arranged to protrude out of the upper surface of the upper mold plate, so that surface contact between the upper mold mounting plate and the upper mold plate is changed into point contact, perpendicularity of the upper mold plate and a lower mold plate is guided and corrected through a guide column between the upper mold plate and the lower mold plate, the influence from equipment is avoided, the situation that the mold is jammed is avoided, the noise generated during mold closing is also reduced, and the service life of the mold is prolonged.

The invention relates to the technical field of dry-type transformers, and discloses a dry-type transformer utilizing solar energy, comprising a base, the top of the base is fixedly connected with a first support frame, the top of the first support frame is rotatably connected with a cover plate, and the base A dry-type transformer is fixedly connected to the top of the first support frame, and the dry-type transformer is located inside the first support frame and contacts with it. The front side of the first support frame is fixedly connected with a first fixed block, and the inside of the first fixed block is a hollow structure. The dry-type transformer using solar energy, after fixing the position of the cover plate and the first support frame, reduces the swinging collision force of the base, protects the dry-type transformer, and effectively prolongs the service life of the dry-type transformer. At the same time, the stability of the base is ensured, and to a certain extent, the internal structure of the dry-type transformer is prevented from being damaged, which in turn affects the use of the dry-type transformer, thereby enabling better use of the dry-type transformer.

The invention discloses an injection molding machine with double injection molding ports. The injection molding machine comprises a base, a mold closing device is fixedly installed on one side of the outer surface of the upper end of the base, a mold is fixedly installed on the outer surface of one side of the mold closing device, charging barrels are movably connected to the outer surface of one side of the mold, and a heater is fixedly installed on the outer surface of each charging barrel; and a hopper is fixedly installed at the upper end of the sides, away from the mold, of the outer surfaces of the charging barrels, a screw rod is installed on one side of each charging barrel in an embedded mode, a hydraulic cylinder is fixedly connected to one side of each screw rod, and a flow dividing pipe is fixedly installed at the lower end of the hopper. The injection molding machine uses one hopper to feed the two charging barrels, the working efficiency is improved, meanwhile, the hopper can filter and crush raw materials, so that larger particles are filtered or decomposed into small particles in the hopper, the larger material particles are prevented from entering the charging barrels, and if the larger particles cannot be decomposed, the larger particles are discharged outwards so as to be recycled.