38 results about "Grain distribution" patented technology

The invention relates to the technical field of 3D printing, and discloses a fiber reinforced composite material 3D printer and a printing method, current deposition tows are heated / cooled under the action of a preset interlayer pressing force through an interlayer pressing device, interlayer fusion can be promoted, the interlayer bonding strength can be improved, the heat history in the wire cooling process can be eliminated, and the 3D printing quality of the fiber reinforced composite material is improved. The crystallization behavior, the grain size and the grain distribution of a polymer in a printing wire material are controlled, and the microscopic uniformity of a composite material printing product is improved. The side face and the upper surface of the current deposition tow are subjected to hot-pressing shaping through the inter-channel pressing device, meanwhile, secondary hot-pressing is conducted on the adjacent printing layer deposition tow, resin of the current deposition tow and resin of the adjacent printing layer deposition tow can be melted and flow, so that the inter-channel gap between the adjacent printing layers is filled, and the printing effect is improved. And the inter-track bonding strength is improved.

The utility model relates to a fermented grain distribution state detection device which comprises a detection part arranged above a conveying part, the detection part comprises a first detection rod and a second detection rod which are sleeved with each other and can rotate independently, and the two detection rods respectively extend towards the direction of the conveying part to form at least one material touch block; when fermented grains pass through the transmission part area corresponding to the material touch block, the material touch block drives the detection rod corresponding to the material touch block to rotate by means of pushing force applied to the material touch block by the fermented grains, the end parts of the two detection rods are respectively and rotatably supported in the bases, a detection unit is arranged in each base, and the detection units are respectively connected with the detection rods. Each detection unit is configured to output a signal representing the distribution state of the fermented grains on the conveying part in response to the rotation of the corresponding detection rod.

The refrigerant valve comprises a valve seat, the crystal phase organization of the valve seat is in equiaxed grain distribution, and the forming process of the valve seat comprises a warm upsetting process. The forming process of the valve seat in the refrigerant valve comprises the warm upsetting process. The warm upsetting process can make the base body of the valve seat deform plastically, close the cracks around the inclusions in the base body, and further reduce the leakage of the refrigerant in the refrigerant valve.

This invention relates to the field of wafer appearance inspection formulation technology, specifically to a method, equipment, and system for creating a wafer appearance defect inspection formulation program. The method includes the following steps: Step S1: Loading the wafer and confirming its information; Step S2: Setting wafer angle correction to level the wafer; Step S3: Wafer offset correction to align the wafer center with the motion platform; Step S4: Setting a grain distribution map, matching the theoretical distribution map with the actual distribution map in terms of position; Step S5: Determining the detection elements, randomly selecting a region from the grain distribution map as the detection element, and sequentially planning and selecting the remaining regions to determine multiple detection elements; Step S6: Sequentially acquiring photographs of the detection elements; Step S7: Detection training to form a wafer appearance defect inspection formulation program.

This invention discloses a three-dimensional ordered abrasive grain arrangement device, method, and additive manufacturing equipment, belonging to the field of high-performance abrasive tool manufacturing technology for semiconductors, stone, ceramics, and optical crystal materials. The device comprises three main parts: an abrasive grain arranger, a feeding mechanism, and a transfer mechanism. The abrasive grain arranger achieves ordered arrangement through negative pressure adsorption; the feeding mechanism employs a circular roller design to achieve continuous feeding of diamond abrasive grains; and the transfer mechanism achieves precise transfer of diamond abrasive grains through the cooperation of an electric cylinder and a lifting platform. This invention effectively solves the problems of scattered and uneven abrasive grain distribution leading to rapid tool wear and poor processing quality in traditional diamond abrasive tool manufacturing. Combining this device with laser additive manufacturing (SLM) equipment can achieve additive manufacturing with ordered abrasive grain agglomeration, significantly improving the sharpness, cooling characteristics, grinding performance, wear resistance, and service life of diamond abrasive tools.

The application provides a high-resolution reconstruction method for sheet microstructure modeling, and relates to the technical field of metal structure reconstruction. The application obtains sheet thickness and average grain size by performing morphology and EBSD characterization on a metal material, compiles a microstructure reconstruction program based on a space segmentation algorithm and a sheet division algorithm, and establishes a microstructure reconstruction model; the three-dimensional reconstruction model closest to the real microstructure is obtained by adjusting the control parameters in the reconstruction program, namely sheet orientation, grain distribution and iteration number; the application can quickly and accurately reconstruct the sheet microstructure, and the generated microstructure model has high compatibility and can be transplanted to various finite element software for simulation analysis.

The utility model discloses a grain drying tower with uniform grain feeding. The grain drying tower comprises a grain distributing hopper, a grain discharging opening of the grain feeding main pipe is communicated to a grain feeding opening in the upper end of the grain distributing hopper; the upper ends of the four grain distributing branch pipes are respectively communicated with four grain outlets in the lower end of the grain distributing hopper; the rotating shaft is vertically and rotatably arranged on the axis of the grain separating hopper; one end of each supporting beam is fixed to the rotating shaft; the at least three material guide plates are arranged on the at least three supporting beams in a one-to-one correspondence manner; the at least three groups of spacers are respectively arranged on the upper surfaces of the at least three guide plates; and a tower body. According to the grain drying tower with the uniform grain feeding function, it can be guaranteed that all parts in the tower body are fully and uniformly filled with grains to be dried, the technical problem that local grain shortage possibly occurs in the tower body is effectively solved, the grain drying tower can be suitable for grain drying towers of different specifications, and the grain drying quality is effectively guaranteed.

The application discloses a mechanism for improving the pesticide application uniformity of a grain storage pesticide application machine and a control method thereof. The mechanism comprises a grain storage micro-spraying pesticide box shell, a plurality of motors installed in the grain storage micro-spraying pesticide box shell, a plurality of blades sequentially jointed into a ring-shaped opening at the head and tail, and the blades are arranged in one-to-one correspondence with the motors. One end of the blade is connected with the output end of the motor, the other end of the blade is provided with an arc-shaped hole, the blade is slidably connected with the output end of the motor connecting adjacent blades through the arc-shaped hole, a grain distribution hemisphere with an upward spherical surface is coaxially arranged in the center of the grain storage micro-spraying pesticide box shell, the ring-shaped opening formed by the blades is coaxially arranged above the grain distribution hemisphere, and a plurality of gravity detection sensors are connected with the outer edge of the grain distribution hemisphere at one end and connected with the grain storage micro-spraying pesticide box shell at the other end.

The invention discloses a horizontal warehouse distributed multipoint warehousing system based on pneumatic conveying. The horizontal warehouse distributed multipoint warehousing system comprises a pneumatic grain conveying system and a horizontal warehouse in-warehouse material distribution system. The pneumatic grain feeding system comprises a Roots blower system, a transfer granary, a pneumatic mixing tee joint, a folding telescopic lifting frame and a first moving trolley. The invention further discloses a single-side or double-side grain feeding system. The problems that in the grain warehousing process of a horizontal warehouse, equipment needs to be frequently moved and adjusted, and a large amount of labor force is consumed are solved, and mechanical, automatic, remote, uniform and rapid grain distribution operation is achieved through a pneumatic grain feeding and in-warehouse material distribution system.

The application discloses a kind of high-purity aluminum target blank and preparation method thereof, belong to material processing technical field;Using the preparation method of high-purity aluminum target blank provided by the application can obtain the high-purity aluminum target blank of grain size <200 μm, (100) face orientation content >70%;That is, the grain distribution of the high-purity aluminum target blank obtained is small, and the orientation distribution uniformity of the target blank is high, so as to ensure that the high-purity aluminum target blank prepared has high sputtering efficiency and good sputtering stability.And, the preparation method provided by the application is suitable for high-purity aluminum ingot with purity above 5N5, and also can obtain products with high size distribution uniformity;At the same time, the preparation method provided by the application has simple process flow, short preparation time, can reduce the preparation cost, and can be applied to actual production.

A squat silo gravity self-discharging type lifting multi-point material distribution device system comprises an upper buffering hopper, a fixed platform, a middle telescopic conical hopper, a lower buffering bin, a heavy hammer flap valve device, a lower material distributor, a triangular lifting platform, a material distribution groove, a winch and a steel wire rope from top to bottom. The material distributor is characterized in that the lower material distributor comprises a conical collecting and distributing hopper 1051, an annular material stabilizing barrel 1052, a conical multi-groove material distributor 1053 and a conical material distributing core 1054; according to the invention, the occurrence of bin deviation is fundamentally perfected and effectively avoided. The discharging ground clearance can be adjusted up and down according to needs, the phenomenon that grains are crushed and graded due to the fact that the height difference is too large is avoided, physical distribution is uniform, the effect is good, and unbalance loading caused by uneven grain distribution is avoided.

The utility model discloses a convenient to dismantle and wash's intelligent feeding device, including mutually cooperate and feed the main part and feeding bowl, feed the main part includes the grain outlet subassembly of being located below and the grain storage subassembly of being located above, the grain outlet subassembly includes the main shell with the installation cavity in the inside, the grain outlet bottom cover of being installed at the top of installation cavity and two sides with the side of main shell through a buckle structure detachable connection, install grain distribution drive assembly in installation cavity, install grain distribution vane in the top surface middle part of grain outlet bottom cover and with grain distribution drive assembly detachable connection and the downcomer, the grain storage subassembly includes the grain bucket of being penetrated with the top cover of being detachably installed at the top of grain bucket through a buckle structure and being grain storage space in the inside up and down both ends, and the grain bucket can be used for clamping and is established in the top of main shell and is detachable connection through a buckle structure between both. The utility model discloses through with grain distribution vane, grain outlet bottom cover, grain bucket and top cover all adopt detachable design, can conveniently wash them and take out.

The invention relates to the technical field of molecular sieve preparation, in particular to a preparation method of a 13X molecular sieve with a low silica-alumina ratio. The preparation method comprises the following steps: mixing a first aluminum source and an alkali source to obtain a first mixture; mixing a guiding agent, a first silicon source and the first mixture to obtain a second mixture; performing first aging treatment on the second mixture to obtain first aged slurry; adding a second silicon source and a second aluminum source into the first aged slurry to obtain a third mixture; performing second aging treatment on the third mixture to obtain second aged slurry; performing crystallization treatment on the second aged slurry to obtain a crystallized product; and purifying the crystallized product to obtain the 13X molecular sieve with low silica-alumina ratio. According to the preparation method, collaborative optimization of purity and grain distribution of the 13X molecular sieve with the low silica-alumina ratio is realized through step-by-step introduction of an aluminum-silicon source and dual-stage aging regulation and control.

This invention relates to the field of grain air-drying technology, specifically a grain discharge structure for a grain air-drying silo. The unloading pallet assembly includes several sets of fixed pallets relatively fixed to both sides of the inner wall of the grain discharge section frame. A flip-over pallet is detachably and rotatably connected between the fixed pallets in the same set. An adjustable latch, which can be quickly locked or released, is provided between the free end of the flip-over pallet on the side facing away from the grain discharge channel and the side wall of the grain distribution plate. Multiple horizontally arranged grain discharge plates are fixed along the length of the grain discharge section frame, positioned above and staggered with the grain distribution plates. This invention solves the problems of cumbersome pallet adjustment and disassembly, numerous parts, and inconvenient operation in emergency situations in traditional grain discharge structures. It achieves rapid locking, releasing, and flipping adjustment of the pallets, significantly improving the convenience and efficiency of operation and maintenance.

The utility model discloses a grain arrangement mechanism used for a grain distribution truck and the grain distribution truck in the field of grain loading equipment, the grain distribution truck comprises a conveyor rack, a walking mechanism is arranged at the bottom of the conveyor rack, a belt conveying mechanism is arranged on the conveyor rack, the belt conveying mechanism comprises a main body support and a mechanism frame arranged at the front end of the main body support, and a conveying belt is arranged on the mechanism frame. The grain arranging mechanism is arranged at the front end of the mechanism frame and comprises a grain arranging support and a telescopic rod, one end of the grain arranging support is hinged to the mechanism frame, the fixed end of the telescopic rod is hinged to the mechanism frame, and the telescopic end of the telescopic rod is hinged to the grain arranging support. During grain distribution, the grain arrangement support is located at the folding station, normal conveying of bulk grains on the conveying belt is not affected, after grain distribution at one grain distribution point is finished, the telescopic rod can be used for driving the grain arrangement support to turn over to the grain arrangement station, then the grain distribution vehicle is moved, the grain arrangement support is used for preliminarily flattening conical grain piles, follow-up grain flattening operation of the grain flattening vehicle is facilitated, and work efficiency is improved. And the overall grain loading efficiency is improved.

The invention relates to the technical field of salt rock grain model construction, in particular to a salt rock grain model construction method based on multi-source experimental data and Voronoi polygons, which comprises the following steps: performing parameter extraction on a real salt rock sample to obtain a real grain diameter set and a real mechanical curve set, constructing a grain distribution probability density function according to the real grain diameter set, and calculating the grain distribution probability density according to the grain distribution probability density function. And constructing a geometric model based on the grain distribution probability density function to obtain a polygonal grain model, and performing mechanical property simulation based on the real mechanical curve set, the initial parameter vector, the mechanical loading condition and the polygonal grain model to obtain a salt rock property structure model. According to the method, the geometric authenticity and mechanical prediction accuracy of the salt rock grain model can be improved, and the reproducibility of the macromechanical behavior of the salt rock is enhanced.

The dust filtering device of the grain elevator comprises a grain distributing box and a dust removing mechanism, a grain conveying mechanism is fixedly arranged at the top end of the grain distributing box, a first supporting frame is fixedly arranged on the periphery of the lower end of the grain distributing box, and a second vibration motor is fixedly arranged on one side of the grain distributing box. A volute fan is fixedly arranged on one side of the dust removal mechanism, a first vibration motor is fixedly arranged on the other side of the dust removal mechanism, a dust removal pipe is fixedly arranged at the position, close to the lower end of the first vibration motor, of the other side of the dust removal mechanism, a collection box is arranged at the bottom end of the dust removal mechanism, and second supporting frames are fixedly arranged on the periphery of the lower end of the dust removal mechanism. The dust removal mechanism comprises a shell. The grain distribution box has the beneficial effects that most dust of grains can be stripped in front of a dust removal system through the grain distribution box, the device is provided with a quick disassembly structure, the filter screen can be disassembled and assembled without tools, and daily cleaning and maintenance are facilitated.

The application belongs to the field of target material preparation, and particularly discloses a tantalum target material, a preparation method and application thereof. In the method, stress annealing, cold forging and heat treatment, two-stage rolling in different directions, intermediate static pressure treatment and recrystallization annealing are sequentially performed on a tantalum ingot, and each step is matched with each other, so that the tantalum target material has more uniform grain distribution, finer grains and a higher proportion of {111} grain orientation, thereby controlling the sputtering rate and sputtering stability, improving the uniformity of sputtering film and achieving the purpose of improving the film quality.

The utility model discloses a dust suppression anti-grading warehouse entering grain distribution device, and relates to the technical field of grain storage, a frame is installed on the top of a granary, a dust suppression device is installed below the frame, an anti-grading grain distribution device is arranged under the dust suppression device, the dust suppression device comprises a feeding articulated chute, a hopper cover and a dust suppression hopper, the hopper cover is fixed above the dust suppression hopper, and the feeding articulated chute is connected with the dust suppression hopper through the hopper cover. The anti-grading grain distribution device and the dust suppression device are arranged, and the dust suppression device is matched with the dust suppression hopper through the conical plug, so that grains uniformly enter the granary in a compact material column form, the grain grading phenomenon is prevented, dust generated when the grains enter the granary is reduced, and the environment in the granary is improved; the anti-grading grain distribution device adopts the design of the cone-bottom distribution hopper, and is matched with the chute and the diversion trench, so that grains can be uniformly distributed to different positions in the granary, the workload of manual granary leveling is reduced, and the grain distribution efficiency is improved.

A rotary drum is arranged at the lower end of a grain hopper, at least two chutes are arranged at the lower end of the side wall of the rotary drum, and each chute comprises fixed side plates on the two sides and a telescopic plate arranged at the bottom of the corresponding fixed side plate. The telescopic plate is composed of a plurality of connecting plates which are sequentially matched in a telescopic mode in the length direction of the chute, a moving block is fixedly arranged at the lower end of the connecting plate at the lowest position, and a linear driving mechanism is arranged and used for driving the moving block to linearly move in the telescopic direction of the telescopic plate. The overall length of the telescopic plate can be adjusted along with sliding between the connecting plates, in the grain distribution process, the telescopic plate is controlled to contract so that the grain falling radius of grains can be reduced, grain distribution is achieved in an area (under a chute) where grains cannot be distributed originally, the grain falling position is more flexible, the vacant area can be reduced to a large extent, and the grain distribution efficiency is improved. The automatic grading condition is effectively relieved, and the grain storage quality is improved.

A wind turbine reducer, relating to the field of wind power equipment technology, is used to solve the technical problems of high processing cost, difficult operation, and low precision in existing technologies. In the wind turbine reducer, the upper body, the first steel tube internal gear ring, and the support base are connected by the first bolt; the support base, the second steel tube internal gear ring, and the lower body are connected by the second bolt. Because the production process of the steel tube internal gear ring is relatively simple and is usually mass-produced, material procurement is relatively stable, and its price is lower than that of forging materials, thus effectively reducing material costs. At the same time, compared to forging materials, it saves the cost of mold making, and the internal microstructure of the steel tube internal gear ring has a uniform grain distribution, resulting in stable mechanical properties and effectively simplifying the processing flow. Furthermore, the design of the steel tube internal gear ring can be applied to wind turbine reducers of different specifications and types, thus having wide applicability and being suitable for various specifications.

The invention provides a method for lengthening a grain structure of a rolled copper foil for a 448G high-speed cable and the rolled copper foil for the 448G high-speed cable prepared by the method. The method comprises the steps that a copper strip blank is subjected to multi-pass cold rolling, the total reduction rate reaches 99.6% or above, and the copper strip blank is finally rolled to 6-35 microns; a differential rolling main interval is arranged at the rear section of cold rolling, the differential rolling main interval starts from the accumulated reduction rate of 55-60% and continues to the end of the final thickness, and differential rolling is conducted in the differential rolling main interval at the linear speed ratio of 1.22-1.28; in the cold rolling process, two times of short-time sectional annealing are carried out, the strip is controlled to be in an incomplete recrystallization state after sectional annealing, and the recrystallization integral number is not higher than 10%. By adopting the method disclosed by the invention, the rolled copper foil structure for the 448G high-speed cable can be obtained, wherein the crystal grains are continuously distributed along the rolling direction and the length-width ratio of the crystal grains is high.

The application discloses a simulation method and system for grain growth process of high-nickel positive electrode material, wherein according to the grain growth data obtained from sintering experiment of the high-nickel positive electrode material, the primary grain distribution law under different temperatures and different times is obtained; according to the primary grain distribution law, the grain growth mechanism formula most conforming to the experimental material is established through mechanism equation MSE matching; the grain growth activation energy of the high-nickel positive electrode material is identified through the relationship between the average particle size and the temperature and the time; according to the grain growth mechanism formula and the grain growth activation energy, the grain growth parameters of the high-nickel positive electrode material are obtained, and the grain growth rate of the high-nickel positive electrode material under different temperatures is obtained; according to the characteristics of the grain growth process of the high-nickel positive electrode material required to be simulated, the probabilistic hedging cellular automaton is established, the grain growth rate rule is proposed, and the grain growth is realized in the cellular automaton. The application provides a basis for improving the sintering system, improving the product yield and improving the electrochemical performance of the product.

The invention relates to the field of rolling bearing reliability prediction, in particular to a rolling bearing reliability analysis method considering crystal plasticity and electronic equipment, and the method comprises the following steps: S1, constructing a constitutive model; s2, detecting the material; s3, sampling and establishing a grain distribution model; s4, establishing a finite element prediction model; s5, establishing prediction models of different samples; s6, observing damage evolution characteristics; s7, calculating the maximum contact stress; s8, drawing a Weibull distribution diagram; according to the method provided by the invention, the test cost of reliability prediction can be greatly reduced, and the prediction efficiency is improved; according to the method, the randomness of the material microstructure and surface machining is considered, the prediction result has high batch adaptability, the method is suitable for scenes with high batch consistency requirements, and the prediction adaptability of the reliability of the rolling bearing can be effectively improved.

The invention discloses a box-type static dryer, which belongs to the technical field of grain drying and comprises a conveying assembly, a drying and cooling assembly, an air supply assembly, a grain feeding and discharging assembly and a dust removal assembly. The conveying assembly comprises an auger conveying shaft and a collecting cover, and a dust removal assembly is arranged in the conveying assembly; the drying and cooling assembly is mounted above the conveying assembly; the air supply assembly can provide hot air or cold air for the drying and cooling assembly in a switching mode. The grain feeding and discharging assembly is arranged on the top and used for grain distribution and discharging. In this way, when the conveying assembly conveys the materials, a raising plate in the dust removal assembly is driven to throw the materials, air separation is conducted on the thrown materials through air flow led out of the drying and cooling assembly, light impurities are effectively separated, and efficient dust removal is integrated in the circulating drying process. The dust removal device has the advantages of good dust removal effect, high energy utilization rate, compact structure and high automation degree.

This invention discloses a method for controlling the microstructure consistency of high-elongation electrolytic copper foil based on statistical characteristics of grain size, belonging to the field of electrolytic copper foil quality control technology. This invention achieves precise control of the microstructure consistency of high-elongation electrolytic copper foil through sampling and sample preparation, grain parameter statistics, calculation of grain deviation coefficient K, testing of resistance dispersion ρ_sd, dual-index collaborative classification judgment, targeted process correction, and closed-loop verification. Under the condition that both the average grain size and average resistance are qualified, this invention can identify hidden risks of grain distribution skewness and resistance spatial dispersion, classifying the microstructure state into stable, skewed, discrete, and composite abnormal types, and matching differentiated correction strategies. This effectively improves judgment accuracy, shortens the correction cycle, reduces the risk of strip breakage, and improves batch product consistency, making it particularly suitable for the industrial production process control of high-elongation electrolytic copper foil for lithium-ion batteries.

The utility model relates to the technical field of grain storage barrels, in particular to a sealed grain storage barrel with a grain separating bin. The sealed grain storage barrel with the grain separating bin comprises a barrel body, the upper cover is movably arranged on the barrel body in a covering mode, and the upper cover is provided with a vacuumizing module and an upper cover air leakage hole; the grain separating bin is arranged in the barrel body to divide the barrel body into a first area and a second area, a ventilation assembly is arranged in the grain separating bin, and the ventilation assembly is provided with an air leakage hole and an exhaust hole; the lifting handle is rotationally arranged in the grain separating bin, so that when the lifting handle rotates to the first position, the air leakage hole is blocked, and air in the second area can only flow to the first area in a one-way mode through the air leakage hole; when the handle rotates to the position not located at the first position, the air leakage hole of the ventilation assembly is not blocked any more, and air in the first area and air in the second area circulate mutually. By means of the structure, the first area and the second area in the barrel body can be sealed respectively, sealing and pressure relief are simple, a user only needs to swing the lifting handle up and down, and use is very flexible.

The invention discloses a method for preparing a fine equiaxed grain structure from as-cast NiCoCr-based medium-entropy alloy and application of the fine equiaxed grain structure, and belongs to the technical field of metal material hot working. The method comprises the following steps that firstly, a cast ingot containing the high-proportion gamma'precipitated phase as-cast NiCoCr-based medium-entropy alloy is subjected to long-aging homogenization treatment; a cylindrical sample is extracted from the interior of the alloy subjected to homogenization treatment, the surface of the sample is polished and cleaned, and the treated cylindrical sample is obtained; and 2, determining a target deformation temperature according to the hot working diagram, performing isothermal thermal compression deformation on the cylindrical sample, and quickly cooling the sample after compression is completed. The high-proportion gamma'precipitated phase NiCoCr-based medium-entropy alloy prepared by using the method disclosed by the invention as an exclusive thermal compression method of the alloy retains the characteristic of dispersed distribution of the gamma 'precipitated phase, forms a fine equiaxed grain structure of 17-30 microns, and is uniform in grain distribution.

The utility model relates to a quantifiable grain distribution packaging bag which comprises a bag body with a discharge port in the top, the interior of the bag body is divided into an upper grain loading layer and a lower grain loading layer through a partition plate, and the upper grain loading layer is communicated with the discharge port; a vertical through hole is formed in the middle of the partition plate, and a material distributing film used for separating the upper grain loading layer and the lower grain loading layer is arranged in the vertical through hole. The discharging port is in threaded connection with a rotary knob cover used for sealing the discharging port, a material conveying pipe is coaxially arranged in the middle of the rotary knob cover in a penetrating mode, the material conveying pipe penetrates through the discharging port, stretches into the upper grain containing layer and is close to the middle of the partition plate, and when the rotary knob cover is rotated downwards, the material conveying pipe is driven to move downwards and pierce the material distribution film so that the lower grain containing layer can be communicated with the material conveying pipe. The upper food containing layer and the lower food containing layer which are independently used for discharging are arranged in the bag body, the pet food is quantitatively contained in the upper food containing layer and the lower food containing layer respectively, when the pet food bag is used, only the quantitatively-subpackaged pet food needs to be poured out, the operation convenience is effectively improved, and pets can eat and drink healthily.

The utility model relates to the technical field of drying equipment, and discloses a grain dryer sectional type quantitative grain distribution structure which comprises a supporting frame, the top face of the supporting frame is connected with a sliding plate in a sliding mode in the horizontal direction, the top face of the sliding plate is hinged to a first receiving hopper and a second receiving hopper, and the bottom face of the supporting frame is provided with a first driving assembly. A driving part is arranged on the supporting frame, and discharging hoppers are obliquely arranged on the two sides of the supporting frame. According to the utility model, the weights of grains loaded in the receiving hopper I and the receiving hopper II each time are the same, manual material distribution is not needed, and the workload of workers is reduced.