243 results about "Grinding teeth" patented technology

The invention discloses a mixing device for producing urea liquid for vehicles, and relates to the technical field of processing of urea liquid for vehicles. The device comprises a mixing tank, a raw material barrel is fixed to the top of the mixing tank through a support, a liquid input pipe is fixed to the side wall of the raw material barrel, the bottom of the inner wall of the raw material barrel is conical, and two feeding pipes are fixed between the top of the mixing tank and the bottom of the raw material barrel. Through the arrangement of the pretreatment device, a stirring blade rod, a blooming disc, an arc block ring and an abutting rod are matched to drive a conical net barrel to screen urea raw materials, small-particle urea can directly fall into soft water, large-particle urea can be ground and smashed through a grinding roller and grinding teeth of the conical net barrel, and then the urea raw materials are separated from the conical net barrel. The ground and crushed urea falls into the soft water, small-particle urea is directly put into the soft water, large-particle urea is put into the soft water after being ground and crushed, the crushing time can be shortened, and the production efficiency of the whole urea liquid for the vehicle is improved.

Grinding systems and methods for semiconductor workpieces are provided. In one example, a grinding system includes a workpiece support operable to support a semiconductor workpiece and rotate the semiconductor workpiece about a first axis. The grinding system further includes a grind wheel operable to rotate about a second axis. The grind wheel has a plurality of grinding teeth arranged in a grinding ring on the grind wheel. A radius of the grinding ring is less than or equal to a radius of the semiconductor workpiece (e.g., such that an effective gap ratio between grinding teeth on the grind wheel are reduced).

A manual meat grinder is provided. The manual meat grinder includes a bottom cover and an upper cover. The bottom cover includes lower grinding teeth disposed at intervals, and the upper cover includes upper grinding teeth disposed at intervals. The upper cover covers the lower cover and is rotatably connected to the lower cover, so as to grind meat through cooperation of the upper grinding teeth and the lower grinding teeth. At least one of the bottom cover and the upper cover includes blocking components disposed at intervals, and the blocking components are correspondingly disposed at at least one of a periphery of the lower grinding teeth and a periphery of the upper grinding teeth. In this way, meat is prevented from moving toward edges of the manual meat grinder in a meat grinding process, so as to improve a meat grinding effect.

The invention provides an extrascopic rotary bone grinding device for spine endoscopic surgery, and belongs to the technical field of machinery. The extra-scope rotary bone grinding device for the spine endoscopic surgery comprises a handheld part and a driving assembly fixedly connected to the outer end face of the handheld part in a locked mode, and is characterized in that the driving end of the driving assembly is in shaft connection with a shaft rod, a grinding head is integrally manufactured at the outer end of the shaft rod, a plurality of grinding teeth are arranged on the peripheral face of the grinding head in a staggered mode, and a toothed trephine is arranged at the outer end of the grinding head; the outer wall of the shaft rod is sleeved with a protective outer sleeve, a liquid injection component is arranged on the inner layer of the protective outer sleeve, a scrap capturing component is integrally manufactured between the inner wall of the protective outer sleeve and the outer wall of the shaft rod, the inner ring wall of the scrap capturing component is in interference fit with the outer wall of the shaft rod, and one end of the interior of the scrap capturing component is in clearance fit with the outer wall of the grinding head. And in cooperation with the protective outer sleeve, the liquid injection component and the debris capturing component, the accuracy, safety and convenience of bone tunnel expansion operation in the spine endoscopic surgery can be effectively improved.

The efficient crushing unit comprises an air passing cavity, an inner cylinder and an outer cylinder, and the inner cylinder and the outer cylinder are arranged in a sleeved mode. The inner cylinder and the outer cylinder can eccentrically rotate in opposite rotating directions under the action of an external driving unit; a conical grinding cavity is formed between the inner cylinder and the outer cylinder, the grinding cavity is upwards communicated with the feeding port, the grinding cavity is downwards communicated with the discharging port, the grinding cavity comprises a plurality of length sections extending downwards in a stepped mode, and the grinding cavity comprises a plurality of first grinding teeth fixedly arranged on the inner cylinder and a plurality of second grinding teeth fixedly arranged on the outer cylinder. The first grinding teeth and the second grinding teeth are used for extruding and crushing materials; the outer cylinder is sleeved with the air passing cavity, and an air cushion layer can be formed on the inner wall face of the outer cylinder. The grinding and crushing machine comprises a rack, and the efficient crushing unit is arranged on the rack. The crushing and grinding device is reasonable in structure, high in crushing and grinding efficiency and more uniform in granularity after crushing and grinding.

The energy-saving grinding device before the impurity removal of ganciclovir crude product belongs to the technical field of ganciclovir grinding, and aims to solve the problems of high energy consumption and long time during the grinding of ganciclovir crude product. The device comprises a shell, an inner cylinder arranged in the shell, a grinding roller arranged in the inner cylinder, and a collecting disc. The inner cylinder is composed of a third grinding cylinder, a second grinding cylinder, a first grinding cylinder and the collecting disc. The grinding roller is fixedly connected and has inclined grinding teeth on the outer edge. The grinding teeth form a multi-level progressive grinding space in cooperation with the grinding roller. The inclined grinding teeth generate a downward extrusion force, the material crushing is more efficient, the grinding degree can be accurately controlled, the material can be sequentially coarsely ground and finely ground, the grinding roller is driven by a motor to rotate in the forward and reverse directions, the motor is connected with a linkage mechanism and a discharging control mechanism, the motor rotates counterclockwise to grind, and clockwise rotation realizes material transfer and circulation, thereby greatly improving the overall grinding efficiency, effectively shortening the grinding period, and improving the efficiency compared with the traditional grinding equipment.

1. The name of the design product: Oxford cloth pet toy (coffee). 2. The use of the design product: used for pets to gnaw and play, to relieve boredom and grind teeth, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model discloses a pretreatment device for medicine inspection. The pretreatment device comprises a medicine dissolving tank, a filtering tank and a medicine dissolving solution collecting tank which are communicated with one another, the medicine dissolving tank is also communicated with a solvent storage tank; a stirring device is arranged in the medicine dissolving tank, the stirring device comprises a stirring shaft rotationally arranged in the medicine dissolving tank and a stirring motor connected with the stirring shaft, a plurality of crushing teeth are arranged on the stirring shaft, and the medicine dissolving tank is sleeved with a grinding cylinder on the outer side of the stirring device; a plurality of filtering holes are formed in the side wall of the grinding cylinder, a plurality of first grinding teeth are further arranged on the side wall of the grinding cylinder, and the first grinding teeth and the smashing teeth are arranged in a staggered mode; and an electric heating sheet is arranged in the solvent storage tank. The device can effectively grind and crush medicines, can also control the dissolving temperature, and greatly improves the crushing and grinding effect and dissolving efficiency of the medicines.

The application discloses a hot mill grinding piece based on a heart curve and a design method thereof, and belongs to the technical field of hot mill grinding pieces. The design method of the hot mill grinding piece based on the heart curve comprises the following steps: S1, determining an inner circle radius R1 and an outer circle radius R2 of the hot mill grinding piece; S2, determining an origin of the heart curve as a center O of the hot mill grinding piece; S3, defining an arbitrary point P on the heart curve, a grinding tooth starting point P1, a grinding tooth ending point P2, a rotary radius p1 of the grinding tooth starting point, a sliding angle a of the arbitrary point on the heart curve, and a polar angle theta of the arbitrary point on the heart curve; and S4, obtaining a heart curve equation of the hot mill grinding piece. The hot mill grinding piece provided by the application can improve fiber separation quality, reduce energy consumption and prolong tool life. The design method of the hot mill grinding piece based on the heart curve designs a grinding tooth profile of the hot mill grinding piece as a curve function, which is convenient for design expression and mathematical analysis of tooth blade stress.

The device comprises a motor, a pump shell, an air wheel, a bubble rotary filter shearing device and a duct shearing wheel. The motor is connected with the bubble rotary filtration shearer through a coupling; the shearer consists of an air wheel, a hollow shaft and a rotary filtration cavity; the motor drives the air wheel and the hollow shaft to rotate at a high speed to generate pressure air which is conveyed to the rotary filter cavity through the hollow shaft; and the outer surface of the rotary filter cavity utilizes the tension of water to shear bubbles into tiny bubbles, and the tiny bubbles are released into a flow guide ring at a water inlet of the pump. The bubble rotary filtration shearer is of a cylindrical cavity structure with an opening in one end, and the cavity is made of porous ceramic, metal or high polymer materials; the duct shearing wheel is composed of a disc, a plurality of streamline special-shaped ducts and a flow guide ring, a plurality of grinding teeth are arranged on the inner walls of the ducts, and the flow guide ring is welded to the outer walls of the ducts and is in clearance fit with the water inlet of the pump shell. Air is pressurized and supplied through the air wheel, the air is preliminarily sheared into micro-bubbles through the rotary filter shearer, and the micro-bubbles are collided, sheared and pressurized for multiple times in the duct, so that the bubbles reach the micro-nano level and are efficiently dissolved in water, and the concentration and flow of bubble water are remarkably improved.

The utility model discloses a coffee machine grinding assembly which comprises a machine base, a grinding base communicated with a coffee powder inlet of the machine base is arranged on the machine base, a grinding head is arranged on the grinding base, and the grinding head is in transmission connection with a driving piece arranged in the machine base. A grinding sleeve is arranged on the grinding seat, the grinding sleeve is matched with the grinding seat in an inserted mode, a plurality of first grinding teeth are arranged on the inner circumferential wall of the grinding sleeve, a plurality of second grinding teeth are arranged on the outer circumferential wall of the grinding head, and grinding gaps are formed between the first grinding teeth and the second grinding teeth; a feeding hopper is arranged on the machine base, and a discharging opening of the feeding hopper is communicated with the grinding base so that coffee beans can be conveyed to the grinding gap to be ground. According to the utility model, the disassembly and assembly convenience of the grinding assembly of the coffee machine can be improved.

The present application relates to the field of semiconductor wafer processing technology, and provides a method, device, and wafer thinning equipment for enhancing the self-sharpening property of a grinding wheel. The method includes: determining the main flushing position: judging whether the grinding wheel is for external blade processing based on the position of the grinding line of the grinding wheel grinding the wafer and the rotation direction of the wafer. If so, the main flushing position is the outside of the grinding wheel; otherwise, the main flushing position is the inside of the grinding wheel; setting the spray pressure and oscillation frequency of the rinser at the main flushing position to be greater than the spray pressure and oscillation frequency of the rinser on the opposite side; determining the flushing direction of the rinser based on the adhesion state of the abrasive particles forming the grinding wheel and the adhesion state of the contaminants on the grinding wheel; and adjusting the spray pressure and oscillation frequency of the rinser based on the ratio of the grinding wheel feed speed to the set feed speed during the grinding process. The present application can effectively enhance the self-sharpening property of the grinding wheel, while providing protection for the grinding teeth and improving the quality and efficiency of wafer thinning.

The invention is applicable to the technical field of hay crushing, and provides a grass crushing machine with a floor type suction pipe, which comprises a grass crushing frame fixed on mobile equipment, the grass smashing frame comprises a U-shaped seat and a smashing cylinder rotationally arranged on the U-shaped seat; a top cover rotationally matched with the crushing cylinder is arranged at the top of the U-shaped seat; the surface of the top cover is communicated with a negative pressure pipe connected with negative pressure equipment, and the surface of the top cover is communicated with a feeding pipe; the feeding pipe is connected with a suction hose; a crushing part is fixed on the inner bottom surface of the crushing cylinder; according to the device, synchronous reverse rotation of the smashing piece and the filtering piece is achieved through transmission cooperation of the bevel gears and the bevel fluted discs corresponding to each group, the relative movement speed and friction frequency between forage and the cutting teeth and between the forage and the grinding teeth are greatly increased, the forage is subjected to multiple effects of tearing, cutting and grinding in the smashing process, and smashing is more sufficient.

1. The name of the design product: bite gum (ice cream). 2. The use of the design product: for biting, grinding teeth. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The invention provides a multi-layer vertical pulverizer which solves the problems that an existing grinding knife generally adopts a straight or simple geometrical cutting edge, and optimal design aiming at different material characteristics is lacked; the technical problems that for materials with large toughness, a simple-shaped grinding knife cannot provide enough tearing and shearing force, and the materials are only subjected to surface deformation and are difficult to crush are solved, and the air mill can be widely applied to the field of air mills. The grinding device specifically comprises a barrel, one side of the barrel communicates with a feeding pipe, a rotating shaft is arranged in the center of the barrel, a mounting disc is fixed to the rotating shaft, and a plurality of grinding heads are fixed to the side edge of the mounting disc; an outer grinding disc is fixed to the inner wall of the barrel, a plurality of first grinding teeth are arranged on the outer grinding disc, the inner grinding head and the first grinding teeth are oppositely arranged, so that a crushing space is formed between the grinding head and the first grinding teeth, and the grinding head can be matched with the first grinding teeth to crush materials when rotating; second grinding teeth are linearly arrayed on the two adjacent side walls of the grinding head along the surfaces of the side walls, and the grinding head is arranged in the tangential direction of the mounting disc.

The application provides a garbage disposal machine structure and belongs to the technical field of kitchen waste disposal equipment. The garbage disposal machine structure solves the problem of poor crushing effect of the existing kitchen waste disposal equipment. The garbage disposal machine structure comprises a lower shell, a grinding disc, upper grinding teeth, lower grinding teeth, a grinding wall, a bent tooth, a grinding ring and inner grinding teeth. In the application, the kitchen waste is crushed by the hammer body and ground three times, so that the volume of the kitchen waste can be effectively reduced, and the crushing effect of the garbage disposal machine structure is improved, so as to reduce the situation that the kitchen waste blocks the pipeline.

The utility model discloses a thick PCB cutting and grinding integrated cutter which comprises a cutter body, cutting teeth and edge grinding teeth, the cutting teeth and the edge grinding teeth are arranged on the outer edge of the cutter body, the cutting teeth and the edge grinding teeth are alternately distributed on the outer edge of the cutter body, the cutting edge angle of the cutting teeth is 35 + / -3 degrees, the cutting edge angle of the edge grinding teeth is 76 + / -3 degrees, and the radius difference H of the cutting teeth and the edge grinding teeth is 0.9 mm. After the cutting and grinding integrated cutter provided by the utility model is used for processing a PCB (Printed Circuit Board), the inclination angle of the board edge of the PCB is larger, the gradient of the board edge of the PCB is longer, the situation that the board is clamped easily in the subsequent horizontal transportation process is avoided, the damage to the roller is avoided, the situation that the board surface of the PCB is scratched is further avoided, and the rejection rate of products is effectively reduced. Meanwhile, the board edge of the processed PCB is smooth and free of burrs, and the hand of an operator is prevented from being scratched by the board edge of the PCB in the operation process.

The food processor comprises a stirring cup assembly, a stirring cup and a base plate, the base plate comprises a plate body and a boss formed by protruding upwards from the plate body, a containing cavity with a lower opening is defined by the boss, and static grinding teeth are arranged on the outer side of the boss; the brushless motor comprises an inner stator winding and an outer rotor assembly, the inner stator winding is fixed in the containing cavity, the outer rotor assembly is detachably arranged on the outer side of the boss in a sleeving mode, and the outer rotor assembly comprises a movable grinding frame surrounding the boss and a magnet set arranged in the movable grinding frame in a sealed mode; the movable grinding frame comprises movable grinding teeth, material guiding ribs and a feeding opening, the material guiding ribs and the feeding opening are located below the movable grinding teeth, the movable grinding teeth and the static grinding teeth are matched to form a grinding area, and the material guiding ribs are used for guiding food materials entering from the feeding opening to the grinding area. Therefore, the overall height and weight of the food processor are effectively reduced, the appearance of the food processor is simpler, and cleaning is more convenient and labor-saving.

The utility model discloses a novel waste residue filtering assembly for a medicinal material pulverizer, particularly relates to the technical field of medicinal material processing equipment, and can solve the problem that medicinal material waste residues and qualified finished products are often mixed together and are inconvenient to separate and package after an existing traditional Chinese medicine pulverizer is used for pulverizing in the prior art. Traditional Chinese medicinal materials needing to be smashed are put into the smashing device from the feeding hopper, then the traditional Chinese medicinal materials are smashed through smashing teeth rotating oppositely in the smashing device, after being smashed, the traditional Chinese medicinal materials flow into the filtering device along the flow guide cover, and when the smashed traditional Chinese medicinal materials flow through a screening hopper in the filtering device, the traditional Chinese medicinal materials are smashed. Small-size medicinal material waste residues can be discharged from the through holes formed in the screening hopper, qualified finished products can flow out in the inclined direction of the screening hopper, the through holes in the screening hopper can be prevented from being blocked through the vibration motor arranged on the screening hopper, the screening effect can be improved, and the filtering efficiency is improved.

The invention belongs to the technical field of ceramic production, and particularly relates to waste collecting equipment for ceramic filler production, the waste collecting equipment comprises feeding equipment, and treatment equipment is symmetrically arranged on the two sides of the feeding equipment; the treatment equipment comprises a rotating shell cylinder, a butt joint inserting opening is fixedly connected to the axis position of the side, away from the feeding equipment, of the outer surface of the rotating shell cylinder, and guide sliding rails are evenly arranged on the side, away from the feeding equipment, of the inner wall of the rotating shell cylinder. When the device is used for recovering and treating the ceramic waste, the waste is firstly crushed through the side pushing grinding disc in the middle, and then the crushed waste is refined and ground through the grinding rolling balls on the two sides, so that fine waste particles are processed, and the recovery work is facilitated; the side pushing grinding discs on the two sides can be gradually pushed towards the middle according to the use amount of machined waste materials, and therefore the problems that grinding teeth of the side pushing grinding discs are bent and excessively abraded due to the fact that the contact force between the grinding teeth and the waste materials is too large are solved.

The utility model discloses a millstone for a plastic particle pulverizer, which comprises a circular disc body, the disc body is provided with a fixing hole and a feeding hole, the disc body is provided with a first gear ring, a second gear ring and a third gear ring from inside to outside, and the first gear ring, the second gear ring and the third gear ring are concentrically arranged with the feeding hole. The first gear ring comprises a plurality of first grinding teeth arranged in a radial mode, the second gear ring comprises a plurality of second grinding teeth arranged in a radial mode, and the third gear ring comprises a plurality of third grinding teeth with extension lines intersecting with the radial line of the disc body. The vertical sections of the first grinding teeth, the second grinding teeth and the third grinding teeth are all of a right triangle structure with the same side perpendicular to the disc body. The grinding effect can be optimized by adopting the matching of the grinding teeth in different forms, and meanwhile, the grinding teeth are of right triangle structures, so that shearing force can be formed to improve the grinding effect.

The invention relates to the technical field of detection equipment, and particularly discloses a detection device for tooth grinding and snoring and a use method thereof.The detection device comprises a left detection mechanism, a right detection mechanism and a control mechanism, the left detection mechanism is connected with the right detection mechanism, and the right detection mechanism comprises a second acceleration sensor, a second microphone and a photoresistor sensor; the processing module is remotely connected with the right detection mechanism, the processing module is used for processing and analyzing the real-time condition of the wearer, and the processing module comprises a pre-training module, a training module and a judgment module; and the judgment module compares the detection signal with the training model and outputs a detection result. The defects that in the prior art, a molar and snoring detection device is incomplete in detection, not accurate enough in detection, not convenient enough and difficult to carry out comprehensive safety guarantee on a user are overcome.

1. The name of the design product: dental gel (push type). 2. The use of the design product: the design product is used for infants to grind teeth, suck, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of papermaking equipment, in particular to a cone-shaped pulping machine rotor and stator for long fiber pulping, which comprises a cone-shaped rotor body and a cone-shaped stator body which are in clearance fit with each other. A partition plate perpendicular to the central axis of the rotor body is arranged in the rotor body, a shaft hole penetrates through the center of the partition plate, a fixing hole set penetrates through the partition plate outside the shaft hole, and rotor grinding teeth are arranged on the outer wall of the rotor body. A fixed pressing plate perpendicular to the central axis of the stator body is arranged on the outer wall of the stator body, and stator grinding teeth in clearance fit with the rotor grinding teeth are arranged on the inner wall of the stator body. The conical pulping machine rotor and stator for long fiber pulping can be suitable for materials containing long fibers.

1. The name of the design product: tooth gel (rabbit). 2. The use of the design product: for infants to grind teeth. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A chopper stator comprises a body, a grinding cavity is formed in the body and is of a cylindrical structure, a plurality of grinding teeth are evenly arranged on the circumferential surface of the grinding cavity, a grinding channel is defined between every two adjacent grinding teeth, each grinding tooth is provided with three parts in the axis direction of the grinding cavity, and the grinding teeth are arranged in the grinding cavity. The grinding teeth of each part have different extension directions; a cooling groove used for containing a cooling medium is further formed in the body, and the cooling groove surrounds the grinding cavity. The grinding teeth are arranged to be in a three-section fold line shape in the length direction, the grinding angle of materials can be changed, and therefore the materials can be fully ground, the granularity of the ground materials is guaranteed, meanwhile, cooling liquid is loaded into the cooling tank in a sealed mode, and the cooling efficiency is improved. And therefore, heat generated in the process of grinding the materials by the grinding teeth can be absorbed, so that the temperature of the grinding teeth is reduced, and the temperature of the grinding teeth is prevented from being influenced.

1. The name of the design product: tooth gel toy (silicone butterfly rattle YT41). 2. The use of the design product: tooth gel toy for grinding teeth and relieving pressure. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a selenium-rich raw material grinding device and method for selenium-rich chewing gum processing, and belongs to the technical field of grinding equipment. The grinding structure comprises a power unit and an execution unit, and the execution unit comprises an upper grinding disc assembly and a lower grinding disc assembly which are arranged up and down. The rotating lower grinding disc assembly synchronously drives the driven grinding mechanism located in the housing part to rotate, and when konjak block raw materials are added into the housing part, konjak blocks fall into the position between the female grinding teeth and the male grinding head and then are preliminarily ground into fine particles. After the raw materials subjected to primary grinding enter the position between the upper grinding disc assembly and the lower grinding disc assembly from an opening in the bottom of the housing piece through a feeding port of the upper grinding disc assembly, the raw materials are ground into the upper grinding disc assembly and the lower grinding disc assembly under the dual effects of pressure and friction force generated between the rotating lower grinding disc assembly and the upper grinding disc assembly above the lower grinding disc assembly. And then the raw materials are subjected to secondary fine grinding through a grinding groove between the lower grinding disc assembly and the upper grinding disc assembly, and the raw materials are gradually refined.

The utility model relates to the field of coffee machines, in particular to a bean grinding mechanism and a coffee machine, the bean grinding mechanism comprises a static grinding wheel and a movable grinding wheel, the static grinding wheel is provided with a grinding cavity used for containing the movable grinding wheel, the cavity wall of the grinding cavity and the outer wall of the movable grinding wheel are provided with grinding teeth, and a bean grinding gap is formed between the movable grinding wheel and the static grinding wheel. The fixed grinding wheel is fixedly mounted; the base is provided with a blanking channel; a grinding shaft is arranged in the blanking channel; the movable grinding wheel is fixedly mounted at the bottom of the grinding shaft; the top of the grinding channel is connected with a hopper; the grinding cylinder can be movably mounted at the bottom of the grinding channel in the axial direction of the grinding shaft; the lifting adjusting assembly is installed on the base and used for controlling the grinding cylinder to move in the axial direction of the grinding shaft so as to adjust the bean grinding gap. Displacement of the grinding cylinder along the axis of the grinding cylinder by one pitch can be realized only by rotating the adjusting rod by one circle, and the technical problem of low bean grinding gap adjusting efficiency in the prior art is solved.

This utility model relates to a fiberboard processing crusher, belonging to the field of fiberboard processing. It includes a casing, a crushing component, and a drive component. The casing has an inlet and an outlet. The crushing component is located inside the casing, below the inlet. The drive component is located outside the casing and is drively connected to the crushing component. A grinding component is also located inside the casing, below the crushing component. The grinding component includes a grinding roller and a grinding plate. Both the grinding roller and the grinding plate have grinding teeth. The grinding plate is fixedly located inside the casing and is inclined. The grinding roller rotates above the grinding plate, leaving an outlet gap between the grinding roller and the grinding plate. The grinding roller is drively connected to the drive component. This utility model, by using a grinding roller and grinding plate to break down fiberboard, can produce smaller and more uniform fiberboard particles after crushing, improving the crushing quality and product uniformity.