108results about How to "Fast screening" patented technology

The invention relates to an agricultural machinery equipment for efficient screening of soybean seeds. Rail, second collection box, fixed plate, etc.; the left frame is welded on the left side of the bottom plate top, the right frame is welded on the right side of the bottom plate top, and the first collection frame is placed in the middle of the bottom plate top. The invention achieves the effects of novel structure, fast screening speed, and no damage to soybean seeds. Workers can realize high-efficiency screening of soybean seeds through the equipment, which is not only simple to operate, but also saves time and effort.

The invention relates to a screening device, in particular to an agricultural Chinese chestnut screening device. According to the agricultural Chinese chestnut screening device, the screening speed and the working efficiency are high, and Chinese chestnut is not damaged due to easily falling of Chinese chestnuts in the screening process. The agricultural Chinese chestnut screening device comprisessupporting legs, a bottom plate, a supporting rod and the like. The supporting legs are symmetrically mounted on the two left side and the right side of the bottom of the bottom plate, a dischargingpipe is connected to the middle of the bottom plate in an embedded mode, and the supporting rod is mounted on the right side of the top of the bottom plate; and a feeding device is arranged between the top end of the supporting rod and the upper part of the discharging pipe, and the feeding device communicates with the interior of the discharging pipe. According to the agricultural Chinese chestnut screening device, the Chinese chestnuts can be primarily screened through a placing device, so that further screening of the Chinese chestnuts by a moving plate is facilitated, the screening effectis good, and the effects that the screening speed is high, the working efficiency is high, and the Chinese chestnuts are not damaged due to easily falling of the Chinese chestnuts are achieved.

The invention relates to sand screening equipment for construction, in particular to high-efficiency sand screening equipment for construction. The technical problem to be solved by the invention is to provide the high-efficiency sand screening equipment for construction with fast screening speed, high efficiency, no need of a lot of labors and simple operation. In order to solve the technical problem, the invention provides the high-efficiency sand screening equipment for construction. The high-efficiency sand screening equipment for construction comprises a baseplate, a first collecting frame, a second collecting frame, an inclined plate, a first vertical rod, a pushing device and the like; the first collecting frame is mounted on the left side of the top of the baseplate through a bolt connecting mode; the second collecting frame is mounted on the right side of the top of the baseplate through a bolt connecting mode; the inclined plate is mounted on the left side of the top of the second collecting frame through a bolt connecting mode; and a bracket is mounted on the right side of the top of the baseplate through a bolt connecting mode. The high-efficiency sand screening equipment for construction rotates sand through a rotating rod to preferably enable sand to become finer and to enable impurities and the like in the sand to be preferably separated from the sand.

The invention discloses a method for rapidly identifying a wild yellow croaker, comprising the steps of measuring eye diameter, head length, body height, body length, lip length, head length, caudal peduncle height and caudal peduncle length and screening out the wild yellow croaker according to a screening standard, wherein the ratios of the eye diameter to the head length, the body height to the body length, the lip length to the head length and the caudal peduncle height to the caudal peduncle length are calculated. The invention also discloses a special device with the method, comprising a machine base provided with a conveyer belt, wherein the upper edge of the machine base is provided with a glass plate so that the conveyer belt, the machine base and the glass plate form a tube body cavity the upper side of which is transparent; a support is arranged at the middle part of the side of the machine base and is provided with a video camera; the support is also provided with a diffuse reflection light; the machine base near the discharging end of the conveyer belt is provided with sorting holes; a sorting device is arranged near the discharging end of the conveyer belt; and the sorting device and the video camera are connected with a control computer. The special device has the advantages of high sorting efficiency, accuracy in sorting and less harm to the croaker body.

The invention discloses a network access control method, a network access control device and a network access control system for household appliances. The method includes generating requests for enabling the household appliances to access to a network by a control terminal, and sending network access information of the network to the household appliances according to the requests to enable the household appliances to access to the network. By the network access control method, the network access control device and the network access control system, the technical problem of low operation efficiency in access of the household appliances to the designated network in the prior art is solved, and operation efficiency in access of the household appliances to the designated network is improved.

The invention provides a vibration screening mechanism for a plastic particle machine, and relates to the technical field of screening machines. The vibration screening mechanism comprises a base, stand columns and a screening box. Springs are arranged between the stand columns and the screening box. A force transmitting plate is arranged at the bottom of the screening box, and a vibration motor is arranged at the bottom of the force transmitting plate. A screening box cover is arranged at the upper end of the screening box and provided with an observation window. The screening box is providedwith an air blower and a feeding port. A sieve plate is obliquely arranged in the screening box and divided into a first sieve plate body and a second sieve plate body. The first sieve plate body comprises a main sieve plate body and sieve holes, and U-shaped sliding grooves are formed in the two sides of the first sieve plate body. The second sieve plate body comprises a second main sieve platebody, bosses arranged at the two side ends and sieve holes. Grooves corresponding to the bosses in position are formed in the inner side wall of the screening box. Rivet shafts are arranged on the second main sieve plate body, and each of the two ends of the sieve plate is provided with an outlet. According to the vibration screening mechanism, the screening size can be adjusted according to needs, dust and impurities mixed in plastic particles can be rapidly removed, the surrounding environment is not influenced, the screening speed is high, and efficiency is high.

The invention discloses an automatic screening machine. The automatic screening machine is characterized in that one side of a screw positioning push block is provided with a clamping groove for containing screws, one side surface of the screw positioning push block closely props against a feeding channel outlet of a feeder, and the feeding channel outlet of the feeder is capable of aligning with the clamping groove of the screw positioning push block; an idler wheel group comprises a pair of idler wheels which are rotated in the same direction, an imaging device is positioned right above the idler wheel group, and the idler wheel group is positioned in an imaging region of the imaging device; a material taking device is capable of conveying the screws in the clamping groove of the screw positioning push block to the middle position of the idler wheel group and conveying the screws of the middle position of the idler wheel group to the material receiving device, and the material taking device can be positioned on a rack in a rotating manner; material boxes are respectively arranged below the two sides, which are perpendicular to a revolving shaft, of the imaging device transmits information to a controller, and the controller controls the movements of the material receiving device, the material taking device and the screw positioning push block. The automatic screening machine provided by the invention has the advantages that the structure is simple, the screening speed is rapid, and the screening accuracy rate is high.

The invention discloses a method for rapid screening of microbial mediums. The method comprises the following steps: preparing bacterium suspension and mediums to be screened; pipetting the mediums to a microplate; pipetting the bacterium suspension to the microplate to inoculate the bacterium suspension to the mediums; sealing the microplate and carrying out shake cultivation for 8 to 10 h; detecting the light absorption value OD of fermentation broth in each micropore by using a microplate reader at an interval of 1 to 2 h; and drawing a growth curve, carrying out comparison and completing screening. The beneficial effects of the invention are as follows: the bacterium suspension of strains to be detected and the differently formulated mediums to be screened are respectively added into each micropore of the microplate for simultaneous fermentation and culture so as to realize the advantages of simple screening steps, convenient operation, a highly accurate thalli growth curve, highly reliable screening results and a fast screening speed, workload of workers is mitigated, cost for screening mediums is reduced, and the method is applicable to a great number of screening experiments of mediums.

The invention relates to a diamond screening device for producing a drawing die. The diamond screening device comprises a screening box, a first material collecting groove, a first screen mesh, a second material collecting groove, a material receiving groove, a second screen mesh, a motor, a sliding block, a ball nut pair, a screw rod and a transmission shaft, wherein the first collecting groove and the second collecting groove are symmetrically arranged at the bottom end face of the interior of the screening box, the second screen mesh is rotationally connected to the middle of the interior of the material receiving groove, the first screen mesh is rotationally connected to the bottom end of the material receiving groove, a turbine is rotationally connected in the screening box, the turbine is in transmission connection with the output end of the motor through a driving belt, a worm and a transmission shaft are coaxially and rotationally connected in the screening box, the screw rod is fixedly connected with the transmission shaft, the sliding block is fixedly arranged at the bottom end surface of the material receiving groove, the sliding block is in sliding connection with the interior of the screening box, and the ball nut pair is arranged on the outer side of the screw rod in a sleeving mode. The device has the advantages that the structure is excellent, the design is reasonable, the operation is simple and convenient, the screening efficiency is high, the screening effect is good, the screening speed is high, equipment compatibility is high, the application prospect is wide, and the creativity is high.