24 results about "Grain crushing" patented technology

The application discloses a processing method of low-cost high-performance tantalum alloy plate, which comprises the following steps: using a firm electrode obtained by uniformly mixing Ta powder, W powder and Nb powder and then welding as raw material, carrying out twice electron beam melting to obtain a large-size tantalum alloy ingot; through primary extrusion on the large-size ingot, repeated operations of turnover forging and shaping and secondary extrusion, a three-time extruded rod blank is obtained; finally, the extruded rod blank is subjected to blanking, intermediate annealing, cross-rolling and product annealing, and the preparation of the tantalum alloy plate is completed. The application uses Nb to replace part of the Ta matrix to prepare a new type of tantalum alloy, and the raw material cost can be reduced by about 1 / 4. Then, through multiple turnover forging and extrusion, cross-extrusion of the ingot is realized, the advantages of shear deformation and dislocation interlacing on grain crushing are fully utilized, the grain size of the prepared plate is above 8.0, and the mechanical properties are better than those of a traditional Ta2.5W alloy, so that the plate can be used as a preferred material for weapon equipment structural parts.

The utility model relates to grain crushing equipment technical field, concretely relates to a kind of intermittent grain grinder, including support, the middle part of support is fixed with box, the bottom of box keeps communication with crushing assembly, and interval discharging device is provided in box, interval discharging device includes discharge port, driving motor and release plate set in discharge port, the middle part of discharge port is provided with discharge port, the middle part of release plate is connected with connecting shaft and is set, the middle part of release plate is fixed with the spacer of L type, the output end of driving motor is fixedly connected with arc plate, exposed hole and connecting ring contact, so grain can be passed down from bottom, into crushing assembly, complete the function of intermittent crushing, intermittent feeding mechanism can accurately control material input and crushing rhythm, avoid equipment blockage due to too much material in short time, ensure that the crushing process is smooth and efficient, compared with traditional continuous type grinder, crushing efficiency can be improved by more than 30%.

1. Name of the designed product: grain grinder. 2. Use of the designed product: used for grinding, milling grains, beans and other food. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses a multistage grain crushing mechanism which comprises a crushing bin, the front face of the crushing bin is fixedly connected with a feeding pipe, one end of the feeding pipe penetrates through and extends to the inner side of the crushing bin, the lower end of the crushing bin is conical, and a discharging hole is formed in the conical end of the crushing bin; a crushing part for crushing grains is arranged on the crushing bin; the smashing part comprises a supporting bin fixedly connected to the inner wall of the smashing bin, the discharging end of the feeding pipe penetrates through and extends into the supporting bin, and the inner wall of the supporting bin is rotationally connected with a first rotating shaft and a second rotating shaft correspondingly. According to the utility model, the top crushing roller and the bottom crushing roller which are supported by a group of the first rotating shaft and the second rotating shaft in the supporting bin are used for performing multi-stage crushing on grains guided into the supporting bin, and meanwhile, the crushed grains can be rotationally screened by matching the rotating ring with the screen and the material guide frame; and the screened grains can be sent back into the supporting bin again to be smashed again, so that the grain smashing effect and smashing efficiency are improved.

The invention relates to the technical field of sand blasting equipment control, in particular to a control system and a control method of a compressed air type sand blasting machine, which are used for solving the problems that the existing system cannot sense the coupling deviation among the blasting kinetic energy, the sand-gas mass ratio and the nozzle pressure difference in real time, the surface treatment quality fluctuation is easily caused, and the sand blasting efficiency is low. The problems of nozzle overload or abrasive material crushing are possibly caused; according to the method, the sand blasting pneumatic self-correction module is fused with a sand blasting pneumatic-impact physical mechanism, a combined state space is constructed, and based on actual spraying kinetic energy, the sand-gas mass ratio and the deviation between the front-back pressure difference of the nozzle and the expected state, accurate recognition of multi-dimensional working condition abnormity is achieved; in a safe action space limited by air source stability, nozzle tolerance limit and a sand grain breaking threshold value, pneumatic parameter set values are adaptively corrected through dynamic strategy learning, and risks such as nozzle overload or abrasive material breaking are effectively avoided while it is guaranteed that the sand blasting kinetic energy and the proportion are always in the optimal interval.

The invention discloses a forging method of a fine grain copper ingot, which combines different forging processes, carries out three times of upsetting forging and one time of radial precision forging on the copper ingot, controls the heating temperature and the heat preservation time, and carries out multiple times of forging at different temperatures, so that the obtained copper ingot blank has an excellent grain crushing effect; the internal structure is uniform; and grains are fine.

A method and device for monitoring the operating efficiency of a self-propelled silage harvester are disclosed. The method includes: real-time data collection from the field; continuous collection of field operation data via operating condition sensors and data acquisition devices; and real-time transmission of the monitoring data to an on-board processing terminal via an on-board communication device. The on-board processing terminal obtains the power consumption of the operating components based on the received monitoring data and filters the operating condition data. A data time lag analysis and correction model is established using a material flow sequence model of the header, feed roller, chopping roller, grain crushing roller, throwing fan, and throwing cylinder. Data anomalies are detected; missing data values ​​are filled; the correlation between various variables and operating efficiency is detected, and a univariate linear model is constructed; an operating efficiency model is constructed, establishing a data model of operating efficiency and the power of each component; the main factors affecting operating efficiency are identified, and a multiple linear regression operating efficiency detection model is established. This invention also discloses a device for monitoring the operating efficiency of a self-propelled silage harvester.

The utility model belongs to the technical field of grain crushing, and particularly relates to a grain crusher for grain processing, which comprises a bottom plate, a square frame is fixedly mounted at the top of the bottom plate, an inner cavity of the square frame is connected with a barrel through a rotating component, and a crushing component for crushing grains in various modes is arranged in the inner cavity of the barrel. According to the grain smashing device, the smashing assembly is arranged, so that the effect of smashing grains in multiple modes is achieved, the grains are smashed in multiple modes, and then the grain smashing efficiency can be improved to a certain degree. And besides, by arranging the rotating assembly, the grains can be turned over in the barrel, then the grains can be comprehensively crushed, and the crushing efficiency of the grains is further improved.

The utility model discloses a rubbing grain crushing roller, which relates to the technical field of livestock feed processing and comprises a roller body, a support is connected inside the roller body, the outer surface of the support is connected with a rib plate, and through holes are arranged on two sides of the rib plate. A first check ring and a second check ring are connected into the support, and a first framework is arranged in the first check ring. Through the arrangement of the first check ring and the first framework, the first check ring can shield a gap between the end face of the roller body and the inner wall of a machine, so that materials are prevented from entering the machine, and the first check ring is trumpet-shaped, is made of a fluororubber material, and has good elasticity, wear resistance and aging resistance; the structure can adapt to gaps of different widths and can be suitable for high-temperature and high-rotating-speed environments, the service life of the structure is prolonged, meanwhile, the first check ring is enhanced through the first framework, and expansion, distortion and plastic deformation of the first check ring caused by rotating centrifugal force are avoided; and materials are effectively prevented from entering a gap between the roller body and the inner wall of a machine.

The invention relates to the technical field of grain smashing, and discloses a smashing device for a grain dryer, the smashing device comprises a machine body, a feeding port is formed in the upper surface of the machine body, supporting legs are fixedly connected to the surface of the machine body, a smashing mechanism is arranged in the machine body, and the smashing mechanism comprises a feeding hole; the feeding hole is formed in the inner wall of the machine body, the feeding hole is communicated with the feeding port, and an inclined runner is arranged on the inner wall of the machine body. According to the grain crushing device, the control box starts the driving motor, the driving wheel, the belt and the first driving wheel are driven to drive the transmission rod and the spiral guide blade to rotate, grain is stably conveyed to a crushing area along a flow channel through thrust generated by rotation of the spiral guide blade, and the rotating speed of the spiral guide blade can be accurately controlled by controlling the rotating speed of the driving motor; and therefore, the feeding rate of the grains is regulated and controlled, accumulation and blockage caused by too fast feeding are avoided, and the smooth crushing process is ensured.

This invention discloses a grain crushing device with synchronous adjustment of the gap between the two rollers and dual locking of the position, belonging to the field of agricultural machinery technology. The device includes a main frame, a floating crushing roller, a fixed crushing roller, a spiral push shaft, sprockets, a chain, and a gap adjustment tool. The fixed crushing roller is fixed to the main frame, while the floating crushing roller is movably mounted on the main frame. Two spiral push shafts are respectively located on the left and right sides of the main frame, threaded into the frame, with their front ends abutting against the floating crushing roller. Two sprockets are respectively fixed to the ends of the two spiral push shafts, and the chain connects the two sprockets to achieve synchronous transmission. During gap adjustment, the spiral push shaft is rotated using the gap adjustment tool. Under the synchronous transmission of the sprockets and chain, the spiral push shafts on both sides synchronously push the floating crushing roller to move, ensuring consistent gap on both sides of the rollers. This invention also features a dual locking mechanism to ensure a minimum safe gap. This device has advantages such as convenient synchronous gap adjustment, good consistency, reliable locking, and high frame strength.

The application discloses a method for improving rolling efficiency of a low-carbon-equivalent 355MPa grade normalized rolled thick plate, and the method comprises the following steps: after a billet is heated by each heating section of a heating furnace, the billet surface temperature is reduced to 1000-1050 DEG C, and when the rolling rhythm is ensured and the billet surface temperature in the soaking section is in the range of 1000-1050 DEG C, the time when the billet is discharged is determined; the billet is rolled by one-stage rolling, the rolling pass number is controlled to be 2-4 passes in the cross rolling and spreading stage, the pass reduction rate is 8%-15%, and the rolling speed is controlled to be 2.0-2.2 m / s ‑1 ; the rolling pass number is controlled to be 4-8 passes in the longitudinal rolling stage, the pass reduction rate is 15%-36%, and the rolling speed is controlled to be 2.2-3.8 m / s ‑1 ; and the finish rolling temperature is controlled to be 860-900 DEG C. According to the method, the low-temperature characteristics of the billet after being discharged are utilized, the "temperature difference" characteristics of the billet in the thickness direction in each deformation stage are fully utilized, the double grain refining effects of recrystallization and large reduction grain crushing are realized, the grain size is more than 9 levels, the waiting time is saved, and the rolling efficiency is obviously improved.

The utility model relates to the technical field of granary discharging equipment, and discloses a squat silo multipoint discharging center flow guide device which comprises a discharging pipe, the discharging pipe penetrates through the top of a squat silo and is used for inputting grains, the bottom of the discharging pipe is connected with a center flow guide pipe, and the center flow guide pipe is connected with a discharging pipe. A buffering mechanism is arranged on the inner wall of the central flow guide pipe and used for reducing grain crushing, one side of the discharging pipe is connected with a plurality of material distribution pipes, and through cooperative arrangement of the discharging pipe, the material distribution pipes, the central flow guide pipe and the switching mechanism, in the discharging process of the granary, the material distribution pipes are not prone to being broken; the central flow guide pipe can be closed through the switching mechanism, grains can be conveyed to the periphery of the granary from the material distribution pipe on the side face, the switching mechanism is repeatedly opened and closed, the granary can continuously change in central discharging and discharging around the material distribution pipe, and therefore the grains are distributed more evenly, and the grading condition is reduced.

This invention discloses an adaptive control method and system for grain breakage reduction chutes based on industrial vision, belonging to the field of automation control technology. This control method acquires grain flow images from the observation area, determines the lateral displacement value of the main grain bundle center, the incident direction deviation angle, and the fluctuation amount of the grain curtain width, analyzes the morphological distortion of the grain before it enters the chutes, and promptly issues risk warning signals. It acquires initial grain flow images of each chute segment and extracts grain curtain boundary feature data; by analyzing the grain curtain boundary data, it calculates the local curvature of each central axis point, determines the coordinates of the grain curtain impact center, and judges the deviation from the normal time point, issuing corresponding chute control signals. Based on the adjustment amount of the inlet section rotation angle, buffer section extension length, and release section rotation angle at the deviation time point, it adjusts the parameters of each chute segment. This invention improves the precise control capability during grain transportation and reduces the grain breakage rate by real-time monitoring and analysis of the grain flow state and real-time adjustment of the parameters of each chute segment.

The invention belongs to the technical field of grain processing, and particularly discloses a novel modular grain crushing and deslagging system which comprises a feeding hopper arranged above a material crushing mechanism, a slag-containing slurry conveying assembly arranged on a mounting rack and communicated with the material crushing mechanism, and a slag-containing slurry conveying assembly arranged on the mounting rack and communicated with the slag-containing slurry conveying assembly. An outlet of the slag-containing slurry conveying assembly is connected with the flow dividing assembly, and an outlet in one end of the flow dividing assembly is communicated with the feeding hopper to form a self-circulation crushing system; and an outlet at the other end of the shunting component is communicated with an inlet of the slag-slurry separation group to form a slag-slurry separation system. The device has a dual-mode switching function, grains can be circularly conveyed to the crushing cavity through the self-circulation module, finally, all the grains are made into slurry, and the grain utilization rate is increased by 20%; and the slurry separation module can separate unwanted materials in the finished material products, so that the process requirements of customers are met, and the dispersion efficiency is improved.

The application discloses a whole-grain assembly, a narrow-granularity fine whole-grain crushing device and a crushing method, relates to the technical field of material crushing, and aims to solve the problem that the particle size of the whole-grain device is widely distributed in the range of 5-150 microns. The whole-grain device comprises a rack, a whole-grain assembly, a control system, a driving system and a collecting system, wherein the control system, the driving system and the collecting system are fixed on the rack, the discharge port of the whole-grain assembly is connected with the collecting system, the control system is connected with the driving system in signal connection for controlling the working state of the driving system, and the driving system is used for driving the rotation of the main shaft. The whole-grain assembly comprises a crushing chamber, the inside of the crushing chamber is provided with a screen, the top of the screen is connected with a feeding hopper, the screen divides the inner cavity of the crushing chamber into a V-shaped whole-grain cavity and a hammer whole-grain cavity which are arranged inside and outside and are independent, the V-shaped whole-grain cavity is provided with a primary crushing cutter, the hammer whole-grain cavity is provided with a secondary crushing cutter, and the primary crushing cutter is arranged 30 degrees ahead of the secondary crushing cutter. The application can obtain particles with concentrated particle size distribution.

The utility model discloses a kind of grinding devices for rice detection. The main body part of the utility model includes grinding main body, transfer connection assembly and force storage assembly, wherein, transfer connection assembly and force storage assembly are integrated, and can be separated from grinding main body, overall parts are less, small in size, low in cost, suitable for portable scene, completely manual, without power, save the need of traditional electric grinding to configure multiple components such as built-in battery, motor, gear box, control module.The user can quickly disassemble grinding main body and transfer connection assembly components, and carry in portable bag, especially suitable for laboratory to field scene mobile detection demand.Provide manual and compact integrated scheme, give consideration to portability and operation efficiency, realize the dynamic adjustment of grinding pressure by force storage assembly, improve the effect of grain crushing.

The invention relates to the technical field of grain storage, in particular to granary cleaning equipment and a cleaning method thereof.The granary cleaning equipment comprises a walking mechanism, the walking mechanism comprises a vehicle frame, the vehicle frame is provided with a crawler mechanism and a driving system, the crawler mechanism comprises a rubber outer layer, and the vehicle frame is provided with multiple kinds of cleaning equipment; the granary cleaning equipment comprises a digging and pulling mechanism, a pushing head mechanism and at least two spiral transferring mechanisms, the grain crushing rate of equipment running can be reduced by arranging a crawler belt mechanism with a rubber outer layer, the granary cleaning operation can be performed according to different grain storage conditions by integrating the granary cleaning mechanisms with multiple functions on the frame, manual granary cleaning is avoided, and the working efficiency is improved. According to the granary cleaning method, the granary cleaning efficiency is improved, through cooperation of the multiple spiral transferring mechanisms, granary cleaning operation of grains in different conditions in the granary can be dealt with, full-coverage transferring of the grains in the granary is achieved, and through cooperation of the granary cleaning mechanisms with multiple functions, high-efficiency and low-breakage-rate granary cleaning operation of the grains in the granary can be achieved.

The invention discloses an automatic bundling and continuous discharging self-propelled feed combine harvester which comprises a header and a console, one end of the header is provided with a feeding device, one side of the feeding device is provided with a chopping device, and the chopping device is arranged below the front portion of a machine front axle. The grain crushing device is arranged on the chopping device along the rear upper portion of the longitudinal center line of the machine, and the throwing device is arranged above a discharging port of the grain crushing device. According to the automatic-bundling continuous-discharging self-propelled feed combine harvester, working parts are arranged in a T shape along the longitudinal center line of the harvester, so that in the whole working process, materials always flow towards the rear upper portion, the movement direction and mode are not changed, the materials are conveyed smoothly, blockage is not prone to occurring, transmission arrangements on the two sides are both arranged on the longitudinal plane, transmission faces do not need to be replaced, and the working efficiency is greatly improved. The transmission arrangement is simple and reliable, the gravity center arrangement of the whole machine is reasonable, and the whole machine has good longitudinal and transverse stability.

This invention relates to the field of forage harvesting technology and provides a grain crushing roller with a biomimetic human molar structure and a method for processing the biomimetic human molar. The grain crushing roller includes a first crushing roller and a second crushing roller, both of which include a crushing roller body and a molar mounting unit. The crushing roller body has dovetail grooves arranged along the circumferential direction of its outer surface, and the molar mounting unit is uniformly fixed to the dovetail grooves of the crushing roller body along the circumference. Square teeth are welded to the outer surface of the crushing roller body. The molar mounting unit includes a mounting base and biomimetic crushing molars. The biomimetic crushing molars are fixed on the mounting base, and several biomimetic crushing molars are uniformly arranged along the radial direction of the mounting base. This invention simulates the chewing mechanism of human molars, realizing a combined action of crushing, shearing, and grinding, which can improve the crushing rate, reduce energy consumption, reduce roller sticking, extend service life, and improve adaptability to corn with different moisture contents and maturity levels.

The utility model discloses a full-automatic grain crushing, uniformly mixing and sampling all-in-one machine, belongs to the technical field of grain detection equipment, and designs the full-automatic grain crushing, uniformly mixing and sampling all-in-one machine which integrates automatic integration of crushing, uniformly mixing, sampling and purifying, is rapid in raw material proportioning, avoids the influence of manual errors on proportioning precision, and improves the working efficiency. The device is suitable for earlier-stage processing of samples needing high-repetition and high-frequency sampling, solves key pain points in the using process of existing grain detection equipment, remarkably improves efficiency and data reliability, can perform batch processing without manual intervention, is provided with a feeding port valve, can perform quantitative and controllable feeding, avoids the locked-rotor risk of a pulverizer, and is high in practicability. The application prospect is wide.

The invention relates to the technical field of pipe preparation, and particularly discloses Ni-Cr-Ti type austenitic stainless steel and a manufacturing method thereof. The high-temperature performance of the material is remarkably improved by controlling the content of C in the electrode blank to be 0.06%-0.07% and the content of Mo to be 0.3%-0.4%. And meanwhile, a staged temperature control mode is adopted in the forging process, accurate regulation and control over grain crushing and recrystallization are achieved, the heat preservation time is shortened to 1-2 h in the last fire, abnormal grain growth is avoided, the problem of edge crystal mixing of a traditional process is thoroughly solved, and the material structure uniformity is guaranteed. Furthermore, low-temperature solid solution treatment is innovatively adopted, the excessive growth of austenite grains is reduced and a proper amount of fine TiC precipitated phase is reserved while sufficient solid solution of the Cr element is ensured to maintain corrosion resistance, and the precipitation phase coarsening is further inhibited in cooperation with water-cooling rapid cooling, so that the synergistic improvement of high-temperature strength and plasticity is finally realized.

The application discloses a high beryllium copper alloy strip based on electric pulse assisted rolling and a preparation method thereof, and belongs to the technical field of precipitation hardening alloy material processing. The preparation method comprises the following steps: S1, after preparing materials according to the mass percentages of various chemical components of the beryllium copper alloy to be prepared, the materials are put into a vacuum induction melting furnace to be vacuum melted into a liquid state, and then the liquid state is poured into a beryllium copper alloy ingot; S2, the beryllium copper alloy ingot is heated to a temperature of 800-850 DEG C, and then hot-rolled after being kept at the temperature for 15-20 hours to obtain a beryllium copper hot-rolled blank; S3, the beryllium copper hot-rolled blank is sequentially subjected to annealing treatment and face milling; S4, the beryllium copper hot-rolled blank after the face milling is sequentially subjected to rough rolling, edge cutting, solid solution treatment and electric pulse rolling to obtain a beryllium copper alloy strip. The beryllium copper alloy prepared by the application has no cracks under a large deformation, has a large degree of grain crushing, has a small grain size, has good formability, and has a short production flow and high production efficiency.

The invention discloses a cereal grain crushing state detection device and a detection method thereof, and relates to the field of intelligent agricultural equipment. The invention aims to solve the problem that the prior art cannot accurately and reliably detect the broken state of cereal grains. A multi-mirror reflection light path is adopted, information of grains on the back side of the collection bin is projected into the front side observation window, the function that the broken states of the front side and the back side of the grains can be detected through one observation device is achieved, and missing detection is avoided. A miniature vibration device is arranged at an inlet of the grain sampling unit, and grain gliding is accelerated through reciprocating vibration. After the grains are full of the observation window, front and rear images of the grains are extracted through a region segmentation algorithm, the positions and postures of the front and rear images are aligned during projection transformation, the crushing conditions of the respective grains are recognized through a deep neural network, and then a final grain crushing result is obtained through logic or operation. The device is used for detecting the broken state of the cereal grains.