122results about How to "Won't break" patented technology

The utility model discloses a side-mounted garbage collection and transportation manipulator which comprises a grabbing mechanism, a lifting mechanism, a transverse position adjusting mechanism, a telescopic mechanism, a visual auxiliary operation mechanism and a control mechanism. The grabbing mechanism is provided with a single-finger clamping jaw and a double-finger clamping jaw which can be adjusted independently or simultaneously, and the single-finger clamping jaw is located in a gap in the middle of the double-finger clamping jaw. A sensor is arranged on the tail end clamping jaw; the lifting mechanism drives the grabbing mechanism and the transverse position adjusting mechanism to ascend and descend, and overturning and dumping of the dustbin are achieved. The transverse position adjusting mechanism is used for adjusting the position of the grabbing mechanism in the transverse direction; the telescopic mechanism is used for driving the supporting and lifting mechanism to stretch forwards or retract backwards, and the visual auxiliary operating mechanism obtains an image at the grabbing mechanism and conveys the image to the control mechanism; and the control mechanism is provided with a controller for controlling other parts to work. The grabbing mechanism is controlled to be opened and closed more accurately, and the garbage can is prevented from being shrunken by clamping or falling off in the grabbing process; and the adjustment in the lifting or horizontal direction is more accurate.

The present invention provides a high brain targeting, safe and noninvasive nasal-brain delivery preparation, which is characterized in that the nasal-brain delivery preparation comprises nimodipine, a good solvent, a diluent and an absorption enhancer, the good solvent is diethylene glycol monoethyl ether, and the absorption enhancer is phospholipid. The nasal-brain delivery preparation is prepared from a good solvent, a diluent, an absorption enhancer and the like according to a specific proportion. Nimodipine serving as an active ingredient is enriched in cerebrospinal fluid and brain tissues through a specific upper nasal meatus administration technology, so that the treatment effect of nimodipine is achieved; and meanwhile, the blood entering proportion is reduced, so that the cardiovascular toxicity and hepatotoxicity are reduced. In addition, the preparation formula has no irritation to local parts of the nasal cavity, and the compliance of a patient is improved.

The invention belongs to the technical field of low-melting-point alloys, and provides a low-melting-point gallium-based liquid alloy and a preparation method and application thereof. The preparation raw materials of the gallium-based liquid alloy comprise gallium, indium, tin, zinc, bismuth, antimony, lead and rare earth metal with specific mass content. The rare earth metal comprises one or two of lanthanum, cerium and neodymium. A trace amount of one or two of lanthanum, cerium and neodymium is added into the gallium-based alloy, so that the purity of the alloy can be improved, the viscosity can be reduced, and the surface tension can be adjusted; by adjusting the formula of the alloy, the smelting time is shortened in the alloy smelting process stage, the efficiency is improved, the alloy cost is reduced, the alloy is more uniform macroscopically, the low-temperature stability of the alloy is further improved, and the alloy can be kept in a stable liquid state at the low temperature even 10 DEG C below zero and better meet the special climate requirements.

The invention relates to the field of packaging equipment, and discloses a vacuum packaging machine with an end socket abdicating and transferring device, which comprises a primary vacuum sealing turntable and a secondary sealing device, and the secondary sealing device is used for crushing a primary sealing position and performing secondary sealing treatment; the packaging machine further comprises a conveying mechanism, the conveying mechanism is arranged at the joint position of the secondary sealing device and the primary vacuum sealing rotary disc, and the conveying mechanism is used for receiving the packaging bags subjected to primary sealing and conveying the packaging bags to the secondary sealing device at least. The conveying mechanism comprises a swing arm, a transferring device is arranged on the swing arm and comprises a movable plate on the inner side and a matching plate on the outer side, the movable plate and the matching plate are oppositely arranged and used for clamping or loosening packaging bags, and a first connecting rod and a second connecting rod drive the movable plate connected with a third connecting rod to move in the plane parallel to swing of the swing arm. The structure is matched with the clamping and the packaging bag, so that the sealing head is avoided, and meanwhile, the bag body cannot be damaged by vertical friction between the sealing head and the packaging bag.

This invention discloses a silicone oil thrust frame, relating to the field of medical device technology. It includes a syringe holder, an adapter holder, and an adapter. A syringe is quickly connected to the syringe holder. The syringe holder is connected to the adapter holder via a long connecting tube. A pagoda connector is quickly connected to the adapter holder. The pagoda connector is connected to the adapter via a short connecting tube. Both the syringe holder and the adapter holder have identical quick-release structures. This invention allows for rapid assembly and replacement of the syringe and adapter, is less prone to damage and detachment, and can quickly adapt to different devices in case of emergencies during surgery, avoiding waste of consumables, prolonged operation time, and reducing procurement costs.

The invention discloses an explosion-proof infrared high-speed ball, comprising a first cavity, a second cavity and a third cavity; wherein a pitch rotation mechanism for driving the second cavity to realize pitch rotation is also arranged in the second cavity and the third cavity, the pitch rotation mechanism comprises a second motor arranged in the second cavity, a reduction transmission mechanism arranged in the third cavity, an inner transmission shaft transmission-connected between the second motor and the reduction transmission mechanism, and an outer transmission shaft transmission-connected between the reduction transmission mechanism and the second cavity, and the outer transmission shaft is rotationally connected to the outside of the inner transmission shaft, one end of the outer transmission shaft and the inner transmission shaft extends into the second cavity, and the other end extends into the third cavity; the device seals the motor in the second cavity to ensure the explosion-proof safety of the device, and arranges the transmission mechanism connected with the motor outside the second cavity, so that the second cavity for driving the camera to rotate and shoot is lighter in weight, smaller in size, and more sensitive when rotating and shooting.

This utility model belongs to the technical field of granite processing equipment, specifically a granite surface cleaning structure, including a cleaning seat; a pair of upright plates are fixed in the middle of the side wall of the cleaning seat; the pair of upright plates are symmetrically arranged on both sides of the cleaning seat; a liquid outlet component is provided in the middle of the side wall of one of the upright plates, which can spray cleaning liquid onto the granite surface in a rotating manner; a top plate is fixed to the top of the upright plate; an electric push rod is mounted on the top of the top plate; a movable shaft is fixed to the output end of the electric push rod; the cleaning component can rotate multiple sponges to clean the granite surface, so that the sponges cover all corners and edges of the granite surface, including hard-to-reach crevices and grooves, reducing the problem of incomplete local cleaning, and the soft sponges will not scratch the granite surface, reducing scratches or damage caused by overly hard cleaning tools, effectively removing stains without damaging the natural texture and luster of the granite.

The application discloses a kind of printing control instrument file positioning and adjusting mechanism, belong to printing control instrument field, including shell, the bottom side of the shell is fixedly connected with base, the top of the base is respectively provided with limiting mechanism and paper taking mechanism in front and back sides;The limiting mechanism includes the moving frame of sliding connection in the top front end of base, the middle part sliding connection of the moving frame has pull rod, the bottom of the pull rod is fixedly connected with limiting block, the surface of the pull rod is equipped with first spring, the both ends of the first spring are respectively welded with limiting block and moving frame;The paper taking mechanism includes the support block of sliding connection in the top rear end of base both sides.This scheme is rotated after the convex block of cylinder rotation, cylinder reaches the surface of file again, the convex block on the surface of cylinder is at the both sides of cylinder and file contact surface, so that cylinder can be repeatedly rotated drive file page, make stamping more convenient, and cylinder can resist file, and the fixation of file is more convenient.

The utility model relates to a mounting rack, belongs to the technical field of sound equipment mounting racks, in particular to a mounting rack for stage sound equipment, which comprises a support column, a movable groove is arranged at the top end of the support column, and a movable column is slidably connected in the movable groove; through the arrangement of the lifting mechanism, the two rotating frames are pulled out, a servo motor is started to drive the sliding plate, the arc-shaped frame and the rotating frames to move through a threaded shaft, then the sound box can be driven to ascend and descend, and in the ascending and descending process of the sliding plate, a user drives a threaded rod to rotate through a crank, so that the fixed track makes contact with the ground; according to the sound box lifting device, the sound box is moved to the two rotating frames, the lifting mechanism is used for lifting the sound box, then the heavy sound box is conveniently moved to the mounting frame, the labor intensity of workers is reduced, meanwhile, the situation that the sound box is broken due to the fact that the workers get out of force is avoided, and the problems that labor is wasted in the carrying process of the workers and the working efficiency is high are solved. And meanwhile, the sound box is easy to break due to force release.

The invention relates to a film bonding technology for a heat dissipation plate of a special-shaped structure and a printed board. The film bonding technology comprises the steps of S1 film bonding technology formulation, S2 bonding tool design, S3 tool production, S4 film carving data processing, S5 film carving, S6 film poking, S7 cold bonding, S8 tool positioning, S9 preheating, S10 hot pressing, S11 cooling, S12 tool dismounting and S13 processing. According to the invention, through a parameter formulating technology, formulated process parameters need to be combined with the force applied to the cold plate stress area of the special-shaped structure and the area in contact with the printed board during hot pressing, so that the force can meet the film adhesion pressure requirement, the adhesion assembly cannot be damaged in the hot pressing link, the heat dissipation board and the printed board are adhered together, and the adhesion peeling strength requirement is met.

The application belongs to the technical field of polymer preparation, and particularly relates to a high-strength self-supporting polypyrrole nano array and a preparation method and application thereof. The preparation method comprises the following steps: (1) first, dispersing a hydroxypropyl-beta-cyclodextrin and polyethylene glycol aqueous solution onto an ice surface, and then adding a pyrrole monomer to form a dispersion liquid; (2) adding an acid solution containing an oxidizing agent to the dispersion liquid, and obtaining the high-strength self-supporting polypyrrole nano array after reaction. The application directly uses a macroscopic ice block as a hard template for polypyrrole preparation, and introduces a cyclic molecule hydroxypropyl-beta-cyclodextrin with hydrophilic and hydrophobic dual functions and polyethylene glycol with a linear polymer chain as an array growth aid, so that a high-strength polypyrrole nano sheet array with a self-supporting structure is prepared through a one-step polymerization method. The high-strength polypyrrole nano sheet array can be used as a conductive filler of polyurethane in the field of 3D printing technology, and greatly improves the mechanical properties and antistatic ability of products.

The embodiment of the present application provides a weeding tool, and relates to the field of horticulture technology.The weeding tool comprises a base, a rod body, a connecting seat, a rotating seat, a motor, a fixing frame, a mounting seat, an electric push rod, a driving seat, a fixing sheet and a weeding shovel.The rod body is rotatably installed on the base, the connecting seat is installed on one end of the rod body, the rotating seat is rotatably installed on the lower surface of the connecting seat, and the motor is installed in the connecting seat.The present application can separate the soil in the inverted conical area, remove the plant roots, accurately operate and avoid damaging the soil in a large area;on the other hand, the present application can adjust and fix the angle of the weeding shovel, adapt to different root depths and reduce excessive soil excavation.The present application can also ensure that the rod body is stable and the weeding shovel does not touch the ground when moving, automatically adjusts and locks the angle of the rod body during operation;personnel can also position through the foot pedal, which comprehensively ensures the stable and efficient operation of the equipment and is beneficial to the cleaning of invasive plants.

The utility model discloses a kind of non-woven fabrics with drainage structure layer, it is related to non-woven fabric technical field, comprising: gauze, cotton pad, middle layer structure, connecting hole, wave elastic ring and buckle structure, cotton pad is set in the top of gauze, middle layer structure is set in the middle of gauze and cotton pad, connecting hole is opened in the middle of gauze, cotton pad and middle layer structure, wave elastic ring is installed in the periphery of connecting hole, buckle structure is installed in the inner wall of connecting hole, and buckle structure is used for the protection of connecting hole inner wall.The utility model is set by the cooperation of middle layer structure, connecting hole and wave elastic ring and buckle structure, so that its buckle structure can protect the inner wall of connecting hole, and the size of its connecting hole can be adjusted by the setting of wave elastic ring, to avoid the leakage phenomenon caused by the action of patient, non-woven fabric will not be damaged, and the middle layer structure in the middle of gauze and cotton pad can collect leakage and drain, to improve the practicability of non-woven fabric.

The utility model discloses a kind of essence finished product detection sampling devices, including protective cylinder and storage barrel, the outer wall of the protective cylinder has multiple annular protruding parts, annular protruding part is opened with mounting hole, sampling tube is sealingly inserted in each mounting hole, and the bottom end of sampling tube is provided with one-way valve, the top of the protective cylinder is welded with cover, the top of multiple sampling tubes passes through cover, the top of the protective cylinder is fixedly connected with mounting flange, the top of mounting flange is fixedly connected with shell.The utility model inserts protective cylinder into storage barrel, then adjusts sampling tube and one sampling tube butt joint, so as to sample essence of different depth, then, under the action of sampling pump, essence in storage barrel is pumped into sample bottle and collected, this kind of mode does not damage the sealing environment inside storage barrel, also does not agitate solution, to avoid affecting each stratified solution mutual mixing, improve the accuracy of test result.

The utility model discloses a whole frame egg laying machine belongs to poultry egg processing technical field. Whole frame egg laying machine includes egg transport module, transfer module, mainframe, poultry egg cleaning tank module and lower frame transport module, the transfer module can slide and set up on mainframe, the upper frame end of egg transport module, the unloading end of lower frame transport module and poultry egg cleaning tank module are opposite respectively with mainframe Setting, after the transfer module clamps whole frame poultry egg on the upper frame end of egg transport module, rotates whole frame poultry egg after sliding to the poultry egg cleaning tank module top of mainframe, makes poultry egg fall into poultry egg cleaning tank module, the transfer module carries empty frame to the unloading end of lower frame transport module and places empty frame, completes whole frame egg laying. The utility model discloses a whole frame egg laying machine greatly improves the cleaning efficiency of poultry egg, and will not cause the rupture of poultry egg, reduces the cost.

This invention relates to the field of bolt processing equipment technology, specifically disclosing a thread rolling device for bolt processing, including a transmission base, a fixed thread rolling plate, and a movable thread rolling plate. The transmission base has two closed-loop conveying components aligned front to back. Several strip plates are evenly connected between the outer surfaces of the two closed-loop conveying components. Each strip plate has an elongated hole perpendicular to the conveying direction of the closed-loop conveying components. The fixed thread rolling plate is located on the rear side wall of the transmission base, and a receiving slot is fixed to the rear side of the transmission base. The movable thread rolling plate is movably disposed in the receiving slot, and a driving device is installed on the receiving slot. This invention allows for feeding from a location far from the thread rolling mechanism, eliminating safety hazards. Furthermore, during the thread rolling process, the bolt is constrained by the elongated holes on the strip plates, preventing it from instantly jumping out and colliding with the equipment when extruded between the fixed and movable thread rolling plates, thus improving the product yield.

The utility model discloses an air suspension centrifugal fan with an air inlet filter screen convenient to clean, relates to the technical field of air suspension centrifugal fans, and aims to solve the problems that the filter screen cannot be detached and cleaned in time once the filter screen is blocked and the use is affected due to the fact that the position of an air inlet of an existing centrifugal fan is not provided with the filter screen convenient to detach and install. According to the technical scheme, the device is characterized by comprising a fan air inlet end, a clamping ring is connected to the outer side of the fan air inlet end in a clamped mode, a limiting plate is fixedly connected to the interior of the clamping ring, a fixing block is fixedly connected to the outer side of the clamping ring, a moving rod and a spring are arranged in the fixing block, and a first clamping plate is fixedly connected to the outer side of the moving rod; and the outer side of the first clamping plate is fixedly connected with a second clamping plate. And the effect of convenient disassembly and assembly is achieved.

The invention discloses supramolecular hydrogel capable of being used as a carrier as well as a synthesis method and application of the supramolecular hydrogel. The drug-loaded supramolecular hydrogel is prepared from the following raw materials: laponite, beta-cyclodextrin modified sodium hyaluronate, (ferrocenyl methyl) trimethyl ammonium bromide and the balance of deionized water. Wherein the hectorite is a substance for forming the network structure of the supramolecular hydrogel serving as the carrier. The supramolecular hydrogel can be used as a macrophage extracellular vesicle carrier for treating burn wounds, has injectable, proper viscosity, porous structure, antibacterial property and the like, is beneficial to wound closure, tissue regeneration, collagen synthesis, cell proliferation and angiogenesis, and is beneficial to tissue regeneration and remodeling.

A seamless steel pipe conveying and unloading device belongs to the technical field of steel pipe conveying devices. It includes a drive shaft; drive wheels spaced at intervals along the length of the drive shaft; driven wheels rotating to the left of the drive wheels; a conveyor belt fitted between each drive wheel and driven wheel; and a crossbeam fixed to the frame via a crossbeam support arm within the conveyor belt cavity corresponding to each conveyor belt. The driven wheel shaft is connected to the left end of the crossbeam via a driven wheel shaft left-right adjustment mechanism. The key feature is the inclusion of a steel pipe lifting and unloading mechanism, mounted on the driven wheel shaft. When the conveyor belt carrying the seamless steel pipe is turning and changing direction while passing the driven wheel, the seamless steel pipe is picked up and lowered by the steel pipe lifting and unloading mechanism. Advantages: It prevents premature wear, breakage, deformation, and detachment of the pads, effectively protects the service life of the conveyor belt and driven wheels, reduces the workload of equipment maintenance personnel, and saves on equipment maintenance costs.

The utility model relates to the field of batteries, and particularly discloses a lithium manganese dioxide battery which comprises a winding type battery cell, and the winding type battery cell comprises a manganese dioxide positive plate, a negative plate and a diaphragm; the manganese dioxide positive plate is wound, the diaphragm wraps the outer side of the manganese dioxide positive plate, and the negative belt wraps the outer side of the diaphragm; the negative electrode strip comprises a negative electrode lithium strip and a copper strip, and the copper strip is pressed on the negative electrode lithium strip. The copper strip is pressed on the negative electrode lithium strip to form the negative electrode strip, and the copper strip cannot be broken when the battery vibrates, so that the functions of collecting and conducting electrons can be maintained, the negative electrode strip can provide enough energy, a unique winding form is combined, the thickness of the negative electrode lithium strip is increased, the structural strength of the negative electrode lithium strip is improved, and the service life of the battery is prolonged when the battery vibrates. Therefore, the anti-seismic property of the winding type battery cell is improved, and the anti-seismic property of the lithium-manganese dioxide battery is further improved.

The utility model discloses a track type industrial switch, include: switch, pressure lock subassembly, pressure lock subassembly symmetry sets up in one side of switch, pressure lock subassembly includes movable arm, the end of movable arm is fixedly provided with pressboard, pressboard is fixedly connected with switch through elastic component, movable arm is connected with connecting plate through adaptation component, through the pressboard of two simultaneously pressing, make movable arm connect with the end of adaptation component and be away from switch, to connecting plate can pull the movement of joint drive gear plate to one side, and then drive the rotation of second gear, make first gear, third gear and screw all rotate simultaneously, and the screw can drive the clamping plate to go up, and the clamping plate below does the descending movement, and the two clamping plates can be far from each other conveniently and install switch on one side of track body, and the installation dismounts simple, will not cause the damage of the shell of switch.

The utility model discloses a butt-welding terminal structure for an integral brushless motor. The butt-welding terminal structure for the integral brushless motor comprises a long butt-welding terminal structure and a short butt-welding terminal structure. According to the utility model, the long and short butt-welding terminals are matched with different winding and wire passing modes, and the hook structures of the butt-welding terminals are welded with the U-shaped bonding pads of the PCB in an embedded manner, so that the triangular parallel series connection and star parallel series connection modes of all the three-phase six-slot stator windings are realized, and the output of the motor is realized by using the tail ends of the long butt-welding terminals. Then, in consideration of the short creepage distance between the conductive part and the metal casing and the iron cover, the plastic sheath is specially designed to ensure the insulation performance. The four waist-shaped and circular vent holes on the PCB, the plastic sheath and the iron cover are matched with the groove shape of the stator lamination, so that the smoothness of the air channel in the motor is ensured.

According to the seat cushion for the chair, a plurality of buffer grooves which deform according to the seat load of a user are formed in the center part of the lower surface, the plurality of buffer grooves comprise a plurality of main buffer grooves and a plurality of auxiliary buffer grooves, the plurality of main buffer grooves are respectively arranged in a plurality of rows in the front-back direction and the left-right direction and are mutually spaced at equal intervals, and the auxiliary buffer grooves are arranged in a plurality of rows in the front-back direction and the left-right direction. And a plurality of sub-cushion grooves respectively connected to the plurality of main cushion grooves and formed in a linear shape having a narrower and shallower width and depth than the plurality of main cushion grooves, thereby having an advantage of improving seat comfort with a simple structure.

This invention discloses a single-atom catalyst based on a functionalized MOF, its preparation method, and its application. The method includes the following steps: dissolving an X metal precursor solution, Zn precursor powder, and 2-methylimidazolium organic ligand powder in alcohol, ultrasonically mixing, microwave heating, oven drying, and tube furnace calcination to obtain an X / MOF material; dissolving the X / MOF material in alcohol, adding carbon powder, ultrasonicating, and then adding a Pt precursor solution, stirring; adding an alkaline solvent dropwise, microwave heating, washing, centrifugation, drying, and calcination to obtain a Pt-X bimetallic single-atom catalyst. The catalyst obtained by this invention has an X metal single atom supported by a MOF core and a Pt single atom supported by carbon shell. Compared to catalysts with two or more metal active components simultaneously supported in the core or shell, this isolated structure is beneficial for the dispersion of single atoms and prevents them from agglomerating into large atomic clusters, thus ensuring structural stability.

The utility model discloses a kind of interlayer blanking devices for preventing tablet breakage of pharmaceutical equipment, belong to granulating equipment technical field, including upper box, connecting hard pipe b and lower box, the upper box and lower box are connected by connecting hard pipe b, the upper box top is provided with cover, connecting hard pipe a is passed through the cover and enters upper box interior, and connecting hard pipe a and cover leave gap, the top of connecting hard pipe a is provided with silica gel toroid, the bottom of connecting hard pipe a is provided with PE bag with upper grommet, silica gel connecting pipe is fixed in the lower box interior by silica gel with upper grommet and silica gel with lower grommet, lower box bottom is provided with discharge gate, discharge gate upper portion is provided with PE bag with lower grommet, PE bag is connected by the PE bag with upper grommet and PE bag with lower grommet and PE bag is arranged in connecting hard pipe b and silica gel connecting pipe interior.The utility model has the characteristics of tablet barrel automatic positioning, automatic docking, prevent tablet breakage, cleaning and disassembly is easy.

This utility model relates to a water level and flow rate monitoring device for open channels, comprising a prefabricated base, multiple helical anchors, a column fixed to the base, a horizontal arm fixed to the column, a water level and flow rate monitoring probe fixed to the horizontal arm, and an equipment box fixed to the column. The helical anchors are screwed into the soil beside the channel. A connecting bolt is provided at the top of the helical anchor for connection to the base, and connecting holes corresponding to the connecting bolts at the top of the helical anchor are provided on the edge of the base. The base and the helical anchors are fixedly connected by the connecting bolts. This utility model uses helical anchors to fix the prefabricated base, and the helical anchors are fixedly connected to the base by bolts. This avoids excavating and pouring concrete foundations on the channel bank, greatly saving construction time, improving the installation efficiency of the device, and reducing construction difficulty.

The utility model relates to a pipe wrench with an improved structure for a pipeline, and relates to the technical field of pipe wrenchs.The pipe wrench comprises a first assembling shell and a second assembling shell, one side of the first assembling shell is slidably connected with a moving block, and the moving block is opposite to the second assembling shell; and a moving assembly for driving the moving block to move is arranged in the first assembling shell, a clamping device is arranged between the moving block and the second assembling shell, and the moving block and the second assembling shell are provided with a quick-release limiting assembly relative to the clamping device. The pipe wrench has the beneficial effects that an operator can conveniently clamp a pipeline through the pipe wrench, and the clamping part of the pipe wrench can be conveniently and rapidly replaced.

This invention relates to the field of lithium battery technology, and in particular to a method for preparing a lithium-ion battery cell. The invention discloses a method for preparing a lithium-ion battery cell, comprising: first, preparing a positive electrode slurry containing modified titanium aluminum carbide, graphene oxide, etc., and a negative electrode slurry containing aminated carbon nanotubes, zinc aluminum spinel, etc., both processed according to specific proportions and processes; second, coating the positive and negative electrode slurries separately onto a current collector, and obtaining positive and negative electrode sheets through drying, coating with a coating agent, etc.; next, preparing a composite separator coated with a separator coating agent and curing it; finally, winding the separator in a positive-separator-negative-separator sequence, and obtaining a lithium-ion battery cell through drying, encapsulation, electrolyte injection, formation, etc.

This utility model discloses an automatic adjustable dough press machine, comprising: a track, with a limiting plate fixedly connected to the track, and the limiting plate fixedly connected to each pressing roller fixing system; a coarse pressing roller housing, with a No. 3 motor fixedly connected to the coarse pressing roller housing; a fine pressing roller fixing frame, with a No. 2 motor fixedly connected to the upper surface of the fine pressing roller fixing frame, the No. 2 motor fixedly connected to a telescopic system, and a No. 6 motor fixedly connected to the fine pressing roller fixing frame; a toothed pressing roller fixing frame, the toothed pressing roller having the same motion structure as the fine pressing roller, and pressing teeth fixedly connected to the side surface of the toothed pressing roller; and a powder spraying system, with a powder spraying system fixedly connected to various locations by a connecting frame, the connecting frame fixedly connected to a flour cylinder, and an air pump fixedly connected to the lower surface of the flour cylinder. Through the above device, the dough is pressed thinner layer by layer on the track according to the required thickness, with flour continuously added, greatly reducing the probability of dough sticking and breaking or dough becoming too large and getting stuck, and improving the stability of the entire device.

This utility model discloses a fracture-resistant gear, belonging to the field of transmission component technology. The fracture-resistant gear includes a gear disk and gear teeth arranged around the outer wall of the gear disk. The gear disk is arranged in a ring structure, and a tooth core is provided at the center of the inner side of the gear disk. A spline is formed in the middle of the surface of the tooth core. A first reinforcing rib with an inclination angle is fixedly connected between the inner wall of the gear disk and the outer wall of the tooth core. Multiple first reinforcing ribs are arranged in the radial position of the gear disk. The gear disk can transmit the reverse force along the inclination direction of the first and second reinforcing ribs to the tooth core. The reverse force is opposite to the inclination direction of the first and second reinforcing ribs. Therefore, the force acts on the first and second reinforcing ribs. Thus, the first and second reinforcing ribs have the function of a jack, so that the gear can support huge reaction forces without breaking, whether it rotates forward or backward.