142results about How to "Improve weighing accuracy" patented technology

The invention discloses automatic fish sorting equipment based on weight, and relates to the technical field of sorting equipment, according to the scheme, the automatic fish sorting equipment comprises a first belt conveyor and a second belt conveyor which are symmetrically arranged, a base is arranged between the first belt conveyor and the second belt conveyor, and a cleaning mechanism is installed at the top of the base; the top end of the cleaning mechanism is fixedly connected with a plurality of weight sensors, and the tops of the weight sensors are fixedly provided with a third belt conveyor. Through the arrangement of the cleaning mechanism, fish meat and the like adhering to the surface of the third belt conveyor can be scraped and washed away after fish weighing is completed, and the situation that the weighing precision is affected is avoided; and an adjustable discharging mechanism is arranged, a second electric push rod operates to drive the bottom end of a conveying belt to stretch out and draw back, the fishes can be gradually stacked upwards from the bottom of a receiving box, and the situation that the fishes directly fall into the receiving box and are damaged by collision is avoided.

The invention relates to the technical field of loading equipment, in particular to a quantitative loading system which comprises a feeding device, a quantitative bin, a weighing sensor and a weighing controller, the feeding device is installed at a bin opening in the bottom of a stock bin, the quantitative bin is arranged on the lower portion of the feeding device, the quantitative bin is connected with a foundation through the weighing sensor, and the weighing controller is connected with the weighing sensor. The weight of the quantitative bin is measured through the weighing sensor, the weighing sensor is electrically connected with the weighing controller, the feeding device comprises a feeding gate, the feeding gate controls feeding into the quantitative bin, a discharging gate is arranged at the lower end of the quantitative bin, and materials in the quantitative bin can be discharged when the discharging gate is opened. The weighing precision is high, the stability is good, the first quantitative bin and the second quantitative bin which are independently arranged are arranged in this way to conduct quantitative weighing and loading in a circulating mode, the loading efficiency is high, the double-quantitative-bin structure of the quantitative bin moving mechanism is adopted, the height of the feeding device is reduced, and the requirement for the installation space is lowered.

The utility model discloses a plastic wood product production system device which comprises a main material storage and conveying area, an auxiliary material feeding and weighing area and at least one mixed material conveying, extruding and feeding area. A CaCO3 main material storage and conveying unit, a CaCO3 transition unit, two groups of PVC main material storage and conveying units and a wood powder main material storage and conveying unit are arranged in the main material storage and conveying area; a group of auxiliary material pouring bin dedusting and weighing units are arranged in the auxiliary material feeding and weighing area; a mixing unit, a mixture conveying unit and a mixture storage and extrusion feeding unit are arranged in the mixture conveying, extruding and feeding area. The device has the advantages of being efficient in operation, high in weighing precision, good in mixing effect, remarkable in energy conservation, environmentally friendly, high in automation degree and the like.

The utility model discloses a steel billet on-line weighing system. The system at least comprises a weighing device. The weighing device comprises a frame and a plurality of weighing modules arranged below the frame. A plurality of roller ways are arranged on the frame at intervals; wherein the frame is composed of a first weighing frame and a second weighing frame which are the same in length; and the end parts of the first weighing frame and the second weighing frame are in clearance lap joint. The weighing frame is of a split structure and is connected in a lap joint mode, and equipment is convenient to machine, transport and install. A 10 mm gap is reserved between the two end faces of the first weighing frame and the second weighing frame, and the structural design enables the first weighing frame and the second weighing frame to have certain deformation in the direction of the center line M.

The invention discloses an automatic discharging and weighing device suitable for strip materials with different lengths and a control method. The automatic discharging and weighing device comprises a control center, a conveying and discharging structure and a weighing structure, and the conveying and discharging structure and the weighing structure are in control connection with the control center; a discharging inclined guide plate is arranged on one side of a conveying mechanism of the conveying and discharging structure, the weighing structure is located below the discharging inclined guide plate, and when short materials are conveyed, the short materials slide to the middle position of a weighing table from the discharging inclined guide plate; when a long material is conveyed, the detection baffle is opened and the conveying mechanism stops feeding, the clamping and discharging trolley moves to the middle position of the long material through the trolley driving assembly under the control of the control center, the middle position of the long material is moved to the discharging inclined guide plate through the clamping part, and then the discharging baffle is opened, so that it is guaranteed that no matter whether the short material or the long material exists, the clamping and discharging efficiency is improved. The automatic weighing device has the advantages of being high in weighing precision, high in automation degree and the like.

The invention provides a weighing system and method of a kitchen garbage truck and electronic equipment, and relates to the technical field of kitchen garbage trucks, the system comprises a data acquisition module, a data processing module and a man-machine interaction module, the data acquisition module is used for acquiring data in a barrel lifting mechanism of the kitchen garbage truck, and the data processing module is used for processing the data; oil pressure data of the lifting oil cylinder and angle data of the turnover angle of the turnover frame are obtained; the data processing module is a gateway assembly arranged at the rear end of a cab, and is used for receiving the oil pressure data and the angle data, and carrying out weighing calculation processing based on the oil pressure data and the angle data through a moment balance principle when an overturning angle reaches a preset weighing angle interval to obtain a load mass, a residual mass and a net pouring mass; and the man-machine interaction module is a display screen arranged in a cab and is used for receiving and displaying the loading mass, the residual mass and the net pouring mass sent by the data processing module in real time. According to the invention, the weighing efficiency and the weighing accuracy of the garbage truck can be obviously improved.

The utility model relates to a motor forklift weighing device, which can obviously improve the weighing accuracy and comprises an outer frame and a plurality of groups of weighing assemblies, each weighing assembly comprises a front assembling seat, a rear assembling seat and a weighing sensing limiting assembly, the front assembling seats of the weighing assemblies are fixedly connected to the outer frame, and the rear assembling seats of the weighing assemblies are fixedly connected to the rear assembling seats of the weighing assemblies. The rear side wall of a rear assembling seat of the weighing assembly is provided with a connecting piece connected with a forklift portal frame, the weighing sensing limiting assembly is arranged between a front assembling seat and the rear assembling seat, the front assembling seat and the rear assembling seat are connected through the weighing sensing limiting assembly, and the top of an upper frame plate of the outer frame is provided with a hanging plate edge used for hanging a pallet fork. The weighing sensing and limiting assembly comprises a vertical direction guiding and limiting assembly, a horizontal direction limiting assembly and a force sensor, the vertical direction guiding and limiting assembly, the horizontal direction limiting assembly and the force sensor are all arranged between the front assembling base and the rear assembling base, and the force sensor is vertically arranged. And the upper connecting end and the lower connecting end of the force sensor are respectively connected with the rear assembly seat and the front assembly seat.

The utility model relates to a wagon balance with a cleaning device, which comprises a weighing platform and two guide slopes, the weighing platform is connected with supporting blocks, the two supporting blocks are connected with connecting plates in a sliding manner, the length direction of the connecting plates is consistent with the width direction of the weighing platform, the connecting plates are connected with bristle pieces, and the bristle pieces are connected with the cleaning device. The bristle part is used for cleaning impurities on the top of the weighing platform, the supporting block is connected with a moving assembly, the moving assembly is used for driving the connecting plate to be slidably connected to the supporting block in the length direction of the weighing platform, the moving assembly is connected with a rotating part, and the rotating part is used for driving the connecting plate to rotate and driving the connecting plate to be away from the weighing platform. The moving assembly drives the connecting plate to be slidably connected to the supporting block in the length direction of the weighing platform, and the connecting plate drives the bristle piece to move in the length direction of the weighing platform, so that the bristle piece cleans the top of the weighing platform, impurities on the top of the weighing platform are reduced, and the weighing precision is improved.

The invention provides an automatic weighing system and method for sheep breeding, and mainly relates to the technical field of breeding weighing. An automatic weighing system for sheep breeding comprises a weighing module, an execution module, a display module and a data transmission module, the weighing module comprises a bottom plate, a weighing plate is installed on the top face of the bottom plate, and a weighing sensor is arranged in the weighing plate. The system has the advantages that the system is easy to operate and convenient to use, by arranging the weighing module, the weight of a sheep can be recorded while the sheep passes through the weighing module, and the weight of the sheep is recorded and displayed under the cooperation of the execution module and the display module, so that the efficiency and precision of sheep weighing are improved, and the labor intensity of workers is reduced. According to the invention, physical labor of operators is reduced, dynamic and accurate acquisition of the weight and identity of the sheep is realized, informatization management of the sheep breeding state is realized, and convenience is brought to breeding.

The utility model provides a configuration mechanism and a high-precision full-automatic individualized medical formula food configuration machine. The configuration mechanism comprises a detachable storage bin and a vibration weighing, feeding and charging device arranged below the storage bin. Due to the arrangement of automatic multiple stations, automatic individual configuration of powder is achieved, the labor cost is reduced, the configuration efficiency is improved, and meanwhile the food safety risk caused by continuous long-time exposure of the powder and food pollution caused by cross operation during manual configuration are avoided; a vibration weighing feeding and charging device is adopted, so that the problem of powder blocking caused by powder caking and extrusion is avoided; and two weight sensors are arranged to calibrate and feed back the weight of the powder, so that the precision of vibration blanking is adjusted and controlled more finely, and high-precision configuration is realized.

The turnover bed with the weighing function comprises a bed frame and a transverse turnover mechanism, the transverse turnover mechanism comprises a first lifting stand column and a second lifting stand column which are arranged in the width direction of the bed frame, and a transverse turnover shaft arranged in the length direction of the bed frame is arranged on the bed frame. The first lifting stand column and the second lifting stand column are distributed on the two sides of the transverse overturning shaft to drive the bed frame to rotate around the transverse overturning shaft, a first weighing sensor is arranged on the first lifting stand column, a second weighing sensor is arranged on the second lifting stand column, and a telescopic support connected with the bed frame is erected between the first weighing sensor and the second weighing sensor. The telescopic support stretches out and draws back along with rotation of the bed frame, the first weighing sensor comprises a first fixing part and a first detection part for bearing the telescopic support, the second weighing sensor comprises a second fixing part and a second detection part for bearing the telescopic support, and the connecting line of the first fixing part and the first detection part is perpendicular to the transverse overturning shaft. The connecting line of the second fixing part and the second detection part is perpendicular to the transverse overturning shaft.

A feeding and weighing system for spirally conveying tobacco shreds comprises a hopper with an opening in the top, a stepping motor, a weighing tray and an electronic balance, a vertical frame is arranged on one side of the electronic balance, the hopper and the stepping motor are fixedly installed on the vertical frame at intervals, the hopper is located above the electronic balance, and a rotating shaft is horizontally and rotationally installed at the bottom in the hopper; one end of the rotating shaft is rotatably installed on one side plate, away from the electronic balance, of the hopper in a penetrating mode and is in transmission connection with a motor shaft of the stepping motor, a discharging port is formed in the lower side portion of one side plate, close to the electronic balance, of the hopper, the other end of the rotating shaft extends to the discharging port, and spiral conveying blades spirally arranged in the axial direction are fixedly installed on the rotating shaft; the conveying direction of the spiral conveying blade faces the discharging port in the axial direction of the rotating shaft, and the weighing tray is placed on the electronic balance. The full-automatic tobacco filling machine is high in weighing precision and weighing efficiency, capable of improving tobacco filling efficiency, high in mechanization degree, low in labor intensity and low in labor cost, tobacco shred pollution is avoided, and test results are guaranteed.

The invention relates to a dynamic weighing method based on a piezoelectric acceleration sensor, and belongs to the technical field of dynamic weighing systems, and the method comprises the following steps: S1, installing at least one piezoelectric acceleration sensor on a structural body bearing an object to be weighed, and collecting a vibration acceleration signal of the structural body under a dynamic load in real time; s2, applying an active excitation signal with a preset frequency and a preset amplitude to the structural body through an actuator; s3, acquiring an output signal of the piezoelectric acceleration sensor under the active excitation, and extracting a vibration response component in the output signal; s4, calculating the dynamic mass of the to-be-weighed object based on the vibration response component; and S5, outputting a calculation result of the dynamic quality. According to the dynamic weighing method based on the piezoelectric acceleration sensor, vibration interference is effectively separated and compensated through an active excitation and response analysis mechanism, and the weighing precision in non-static states such as vibration and movement is remarkably improved.

The invention discloses a metal wire inverted take-up machine, belongs to the technical field of metal wire take-up, and aims to solve the problems that existing take-up equipment is dispersed in function and insufficient in straightening, production needs to be interrupted during weighing, and unloading depends on manpower. The take-up machine comprises a pay-off rack, a traction device and a take-up translation device, the pay-off rack, the traction device and the take-up translation device are integrated, so that the whole-process integrated operation of pay-off, straightening, take-up, shearing, weighing and translation unloading is realized, high-precision take-up and weighing can be completed without interruption of production, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And the problems of scratching and loosening of the wire rod in the process transfer are effectively avoided.

The utility model discloses a powder anti-blocking weighing device which comprises a steel frame, a scale hopper, a gravity sensor, a sensor support, a dustproof connecting sleeve, a sealing cover, a pressure relief dust removal structure, a vibration mechanism, a feeding auger, a discharging pipe, an exhaust pipe and a feeding pipe. The scale hopper is arranged in the middle of the steel frame, a plurality of gravity sensors are arranged on the periphery of the scale hopper, the upper end of each gravity sensor is connected with the scale hopper, and the lower end of each gravity sensor is fixedly supported through a sensor support arranged at the corresponding position on the steel frame. The periphery of the sealing cover is fixedly supported on the steel frame, an exhaust port is formed in the middle of the sealing cover, a pressure relief dust removal structure is arranged in the exhaust port, the feeding pipe is connected with a discharging port of the feeding auger for feeding, and a plurality of vibration mechanisms are arranged on the periphery of the outer side wall of the lower end of the scale hopper. The anti-blocking device is simple in structure, capable of preventing the scale hopper from being blocked, and good in anti-blocking effect.

This application relates to an image processing method, apparatus, and computer device. The method includes: performing face recognition on a target image to obtain a target face region; determining target pixel information for each target pixel in the target face region based on reference pixel information of each reference pixel in a reference face region of each frame of the original image; for each target pixel, converting the target pixel information into color coordinates, and determining the weight of the target pixel based on the hierarchical relationship between the color coordinates and the range of human face coordinates; for each frame of the original image, determining the reference brightness of each reference pixel in the reference face region of the original image based on the weight of each target pixel and the original brightness of each reference pixel in the reference face region of the original image; and determining the current brightness of the target face region based on the reference brightness of each reference pixel in the reference face region. This method can improve the accuracy of face region brightness.

The utility model belongs to the technical field of feeding equipment, it is a granulator ration feeding device, include: through a plurality of weighing sensor support on the support frame screw conveyer auger, set up in the first buffer subassembly of screw conveyer auger feed port, first buffer subassembly includes: hard connection on the support frame compensation cylinder, the feed port of screw conveyer auger is connected to the compensation cylinder upper and lower activity nest, the upper portion of compensation cylinder still be provided with the connecting piece for connecting the discharge gate of bunker. Through the design of first buffer subassembly reduces the impact force of material falling, further improves the accuracy of measurement. The activity nest design of compensation cylinder and the feed port of screw conveyer auger makes screw conveyer auger not directly with bunker equipment contact, reduces the direct contact of bunker equipment and screw conveyer auger because of bunker equipment vibration leads to factors, the influence to screw conveyer auger and weighing sensor, thereby improves the weighing accuracy of feeding device.

The utility model discloses a raw material weighing device for processing brewer's grains, and relates to the technical field of feed processing equipment. The weighing device comprises a weighing shell, a drying assembly is arranged on the lower portion of the inner side of the weighing shell, and a containing assembly is further arranged on the upper portion of the interior of the weighing shell. A placement plate in the drying assembly is movably connected to the lower portion of the inner side of the weighing shell through mounting feet, and an electric radiant tube is fixedly connected into a mounting groove in the lower surface of the placement plate. According to the brewer's grain weighing device, hot air is provided for the weighing shell through the electric radiant tube and the draught fan in the drying assembly, brewer's grains placed in the weighing shell are dried through the hot air, the influence of moisture in the brewer's grains on weighing accuracy is reduced, and the problem that existing weighing accuracy is low is solved; the brewer's grains in the placing frame are equally divided through a cross-shaped partition plate and a flattening plate in the placing assembly, the equally divided brewer's grains are discharged through the arrangement of a movable plate, and the problem that in the prior art, the weighed brewer's grains are inconvenient to equally divide is solved.

The utility model discloses a weighing hopper device for clinker glass slag, and relates to the technical field of clinker glass slag weighing. The weighing hopper device for clinker glass slag is characterized in that a rack is mounted, and a weighing sensor is arranged on the rack; the bin hopper is connected with the weighing sensor, and the bin hopper is provided with a discharging port; the movable plate is connected with the bin hopper, and the movable plate is configured to be matched with the discharging port so as to adjust the opening size of the discharging port; the fixed frame is connected with the bin hopper, at least one driving unit is arranged on the fixed frame, the driving unit comprises a driving part, one end of the driving part is hinged to the fixed frame, the other end of the driving part is a free end, and the free end of the driving part is hinged to the movable plate; and the telescopic part is arranged on the mounting rack, and the telescopic part is configured to drive the driving part to adjust the position of the movable plate.

The utility model relates to medicine weighing technical field discloses a kind of discharging mechanism of medicine weighing device, including base, the base lower surface is fixedly connected with connecting plate, the base upper surface is fixedly connected with shell, the discharging assembly includes hydraulic rod, blanking pipe and blanking cover, the blanking pipe is fixedly connected in shell inner wall, the blanking cover outer wall is rotatably connected in blanking pipe lower surface, the blanking cover outer wall is fixedly connected with connecting rod, the connecting rod one end is fixedly connected with connecting block, the blanking cover is arranged in shell interior, the blanking cover output end is fixedly connected in connecting block lower surface. In the utility model, discharging assembly is driven connecting block by hydraulic rod, drives connecting rod to rotate blanking cover, realizes the opening and closing of blanking pipe, accurately adjusts medicine falling rate, avoids excess or deficiency, the design simplifies discharging process, improves weighing accuracy and operation reliability, applicable to high-precision medicine subpackaging environment.

The utility model belongs to the technical field of metabolism cages, and provides poultry growth metabolism cage weighing equipment which comprises a metabolism cage and a weighing device, the metabolism cage is hung on a frame body through the weighing device, and an adjusting device used for adjusting the metabolism cage is arranged between the weighing device and the metabolism cage. The balance state of the metabolism cage is effectively guaranteed through the adjusting device, it is conveniently guaranteed that the gravity of the metabolism cage in the vertical direction is not affected by transverse force, the weighing accuracy of the weighing device is improved, in addition, the adjusting device is combined with the lifting device, the situation that the weighing device is pressed by the gravity for a long time and creeps is effectively avoided, and the weighing accuracy is improved. The stability and the precision of the weighing value of the weighing device are effectively ensured, and the error of the research on the growth and metabolism of the poultry is reduced.

This invention provides a hydraulic integrated control system and method for an automatic weighing machine, relating to the field of hydraulic control technology. The system includes: a data receiving module for receiving raw weight signal streams, raw position signal streams, and raw vibration spectrum streams; a clutter filtering module for adaptive cooperative clutter filtering to obtain corrected weight signal streams and corrected position signal streams; a deviation calculation module for calculating real-time feeding lag deviations; a decision module for making feeding speed switching decisions and outputting a feeding gate control command sequence; a feedback module for performing handling task trajectory interpolation feedback to obtain multi-axis cooperative motion commands; and a timing control module. This invention solves the technical problem that existing automatic weighing machines, when performing multi-axis cooperative motions such as handling and conveying, often rely on single-axis control and lack efficient multi-axis cooperative control schemes, leading to reduced equipment accuracy and overall work efficiency.

An automatic metering conveying system and a control method of the automatic metering conveying system are disclosed according to an embodiment. The system may include: a frozen raw material conveying unit configured to convey a frozen raw material; a frozen raw material hopper unit provided so as to discharge the frozen raw material supplied by the frozen raw material conveying unit; a raw material conveying unit different from the frozen raw material conveying unit and configured to convey the raw material; a raw material hopper unit different from the frozen raw material hopper unit and provided to store and discharge the raw material supplied by the raw material conveying unit; and a processor for controlling the frozen raw material conveying unit and the raw material conveying unit such that the frozen raw material conveying unit stops moving based on the frozen raw material being accommodated in the frozen raw material hopper unit in a first preset amount, and the raw material conveying unit stops moving based on the raw material being accommodated in the raw material hopper unit in a second preset amount.

The invention discloses a powder weighing and carrying device which comprises a stock bin, a feeder, a weighing assembly and a powder receiving assembly. The material bin is provided with a material pouring port used for loading powder and a material discharging port used for discharging the powder, the feeder is connected with the material bin, and the feeder is used for sending out the powder in the material bin from the material discharging port; the weighing assembly comprises a weighing plate and a material cup used for containing powder, the weighing plate is fixedly installed on the rack, and the material cup is movably placed above the weighing plate; the powder receiving assembly comprises a linear driving piece and a hopper used for containing powder. The linear driving part is fixed to the rack and connected with the hopper so as to drive the hopper to move towards the position below the discharging port or avoid the discharging port. According to the technical scheme, the weighing precision and the weighing and distributing speed in the powder weighing process are improved with low cost.

The utility model relates to a blanking mechanism of a packing scale. The blanking mechanism comprises a supporting cylinder and a box body, a hopper, a discharging door and a servo motor are arranged in the supporting cylinder. The upper and lower parts of the hopper are conical and special-shaped parts respectively. The upper end of the conical part is connected with the upper end of the supporting cylinder. The upper end of the special-shaped part is connected with the lower end of the conical part. The special-shaped part is characterized in that a pair of opposite pipe walls of the special-shaped part are high and low pipe walls respectively, and the other pair of opposite pipe walls are the same in shape and are arc-shaped walls. Shaft seats are arranged on two vertical sides close to the upper end of the high pipe wall, a rotating shaft is arranged between the two shaft seats, and an output shaft of the servo motor is connected with one end of the rotating shaft. The discharging door comprises two fan-shaped plates located outside the two arc-shaped walls respectively, the circle centers of the two fan-shaped plates are both fixed to the rotating shaft, and an arc-shaped door plate is connected between the arc-shaped edges of the two fan-shaped plates. According to the utility model, the weighing precision can be improved. The packing scale is suitable for packing bulk materials.

The invention discloses a garbage can weighing method and system based on dynamic jitter compensation, and the method comprises the steps: firstly installing an acceleration sensor on a weighing module of a garbage truck, obtaining a jitter error, installing a gyroscope on the weighing module of the garbage truck, and obtaining an inclination error caused by the inclination angle of a garbage can; a weight signal jitter model is established according to the jitter error and the tilt error, and the measured weight of the strain sensor is obtained; according to the garbage can weighing method and system, the acceleration sensor and the gyroscope are additionally arranged in the weighing module of the garbage truck, and the shaking amplitude and frequency of the garbage truck are monitored in real time, so that the influence of shaking on garbage can weighing is eliminated; strain sensors are installed on the clamping device and the lifting arm, mechanical arm strain caused by the garbage weight is measured, the garbage can weight can be indirectly and accurately calculated, the weighing precision can be remarkably improved through multi-sensor fusion and dynamic compensation, and the garbage can weighing device is suitable for being widely popularized and used.

The utility model discloses a feed packaging and weighing device which comprises a storage box, a metering box, a first feeding pipe, a second feeding pipe, a driving assembly, a discharging hopper assembly and a metering assembly. The metering box is located on one side of the material storage box, the first feeding pipe and the second feeding pipe are located between the material storage box and the metering box, the pipe diameter of the first feeding pipe is larger than that of the second feeding pipe, the driving assembly is located on one side of the material storage box, and the discharging hopper assembly is located on the inner side of the metering box. The metering assembly is located at the bottom of the inner side of the discharging hopper assembly. Compared with the prior art, the feed packaging and weighing device has the advantage that the feed packaging and weighing device can be used for feeding through the double augers.

The invention discloses powder transferring equipment for false tooth raw material production and a false tooth raw material feeding method. The powder transferring equipment comprises a mechanical arm, a guiding assembly and a material sweeping assembly. The mechanical arm is detachably provided with a container and can move between the weighing equipment and the pressing equipment so as to pour false tooth raw materials in the container into a forming groove of the pressing equipment; the guide assembly is arranged on the circumferential side of a groove opening of the forming groove and provided with a plurality of guide plates capable of moving between the horizontal position and the inclined position. The material sweeping assembly comprises a material sweeping block capable of moving on the surface of the forming groove. The container containing the false tooth raw materials is taken out from the weighing equipment through the mechanical arm, then the powdery false tooth raw materials in the container are poured into the forming groove through the mechanical arm, and the multiple guide plates are located at the inclined positions in the period to play a role in guiding the false tooth raw materials; powder on the edge of the notch is swept into the forming groove through the sweeping block; therefore, the stability and the weighing precision can be improved by utilizing a natural pouring and guiding form and cooperating with the material sweeping assembly.