11results about How to "Avoid affecting screening efficiency" patented technology

The utility model discloses a traditional Chinese medicine decoction piece processing and powder screening device which comprises a powder screening chamber, a feeding assembly is installed on the top of the powder screening chamber and comprises a spiral conveyor fixedly installed on the outer wall of the top of the powder screening chamber, the spiral conveyor is arranged in a horizontal state, and an outlet of the spiral conveyor is arranged towards the powder screening chamber. A discharging pipe is rotationally connected to the top of the powder screening chamber, the middle part of the discharging pipe is obliquely arranged, the discharging pipe rotationally sleeves an outlet of a spiral conveyor, a funnel-shaped storage hopper is arranged on one side of the top of the spiral conveyor, a bevel gear II is coaxially fixed to one end of a spiral rod in the spiral conveyor, and a bevel gear II is coaxially fixed to the other end of the spiral rod in the spiral conveyor; by arranging the feeding assembly, the feeding channel can be blocked through raw materials, dust is effectively prevented from escaping outwards, the positions of powder can be distributed, the powder can be screened more quickly, and the situation that the powder is accumulated at one position and influences the screening efficiency is avoided.

The utility model relates to the technical field of walnut screening, and discloses a walnut screening device for walnut oil production, according to the walnut screening device for walnut oil production, through the arrangement of a driving assembly and a driven assembly, when a driving motor works to control a rotating cylinder to rotate, the driving motor drives a convex ring to rotate, and when the convex ring abuts against a push plate, the driven assembly drives the convex ring to rotate; the push plate can be pushed to move, the sliding block is controlled to drive the abutting rod to move, the abutting rod does not abut against the round block any more, under the gravity effect of the supporting seat, the position, hinged to the support, of the supporting seat can swing downwards, and after the protruding ring rotates to be not in contact with the push plate any more, the sliding block can reset under the effect of the reset spring. The sliding block drives the abutting rod to abut against the round block again, the supporting base is pushed to swing upwards at the position hinged to the support, the supporting base is controlled to swing back and forth along with continuous rotation of the protruding ring, and therefore the screening barrel and the rotating barrel are controlled to swing back and forth, and the situation that walnuts are stacked at a certain position of the screening barrel, and the screening efficiency is affected is avoided.

The utility model relates to the technical field of paris polyphylla processing, in particular to a paris polyphylla sorting device which comprises an upper box body, the bottom of the upper box body is fixedly connected with a lower box body, a screen is arranged in the lower box body, a driving assembly is arranged at the connecting position of the screen and the lower box body, a baffle is arranged in the upper box body, and the baffle is fixedly connected with the lower box body. An adjusting assembly is arranged at the joint of the baffle and the upper box body. According to the paris polyphylla screening device, the screen can do left-right reciprocating motion so as to screen paris polyphylla, damage to paris polyphylla can be effectively reduced compared with previous up-down vibration, the feeding speed can be adjusted by adjusting the angle of the baffle, and the feeding efficiency is improved. Therefore, the screening effect is prevented from being influenced by too high feeding speed or the screening efficiency is prevented from being influenced by too low feeding speed.

The utility model relates to road construction technical field especially relates to a kind of sandstone multistage screening device for rural road construction, it includes sandstone screening cylinder for rural road construction, and multiple screening mechanism is provided in sandstone screening cylinder inside, and discharge assembly is provided on sandstone screening cylinder outer wall;Multiple screening mechanism includes first filter screen, second filter screen and third filter screen are sequentially provided in first filter screen lower side, and discharge assembly includes three discharge cylinders, gate is opened in discharge cylinder upper side, slide column is provided in discharge cylinder side, and three groups of lateral support plate are fixedly installed in slide column side edge.This utility model is equipped with multiple screening mechanism and discharge assembly, and three-stage filter screen is used to screen sandstone in turn, and various particle size sandstone is finely screened, to meet the needs of rural road construction, in addition, discharge assembly can timely export sandstone remaining on each filter screen, avoid filter screen blockage, improve screening efficiency.

The utility model discloses an anti-blocking roller screen for fertilizer screening, and relates to the technical field of roller screens, the anti-blocking roller screen comprises a fixed shell and a brush roller, a fixed rod is arranged on the outer wall of a shaft rod, a roller screen drum is arranged on the fixed rod, the roller screen drum is in contact with the fixed shell, the brush roller is in contact with the roller screen drum, and the brush roller is in contact with the fixed shell. Wherein one fixing plate is provided with a driving mechanism rotating circumferentially, the driving mechanism is arranged on the shaft rod, the other fixing plate is provided with a mounting mechanism used for facilitating mounting and dismounting of the brush roller, the mounting mechanism is arranged on the brush roller and the driving mechanism, one side of the fixing shell is provided with a feeding mechanism used for uniform feeding, and the other side of the fixing shell is provided with a discharging mechanism used for discharging. According to the screening machine, uniform feeding can be achieved, the situation that excessive feeding is conducted at a time, and the screening efficiency is affected is avoided, the brush rollers are convenient to mount and dismount, screening and brushing can be conducted at the same time, blocking is prevented, operation is easy, and practicability is high.

The utility model relates to the technical field of aggregate screening, and discloses a low-loss aggregate screening line. The low-loss aggregate screening line comprises a supporting frame, a limiting pipe is fixedly installed above the supporting frame, a limiting bearing is installed in the limiting pipe in an embedded mode, a connecting ring is movably installed in the limiting pipe, a limiting cover is movably installed at the rear end of the limiting pipe, and a feeding pipe is movably installed at the rear end of the limiting cover; a fixing frame is fixedly installed on the outer side of a feeding pipe, due to the influence of the gravity of aggregate, when the metal net rotates, the aggregate can move and is kept below the metal net, so that relative displacement is generated between the aggregate and the metal net, and the aggregate capable of passing through screen holes can enter a receiving pipe through a hole opening structure below a limiting pipe; and the aggregate is driven by the auger to move backwards to achieve the screening effect, so that the aggregate can be prevented from continuously impacting the screen mesh during screening, and the loss of the aggregate during screening is reduced.

The utility model discloses a kind of cylinder primary cleaning screen for grain processing belongs to grain processing equipment technical field, including device base, the top of device base is rotatably provided with screening mechanism, the bottom both sides of screening mechanism are provided with side baffle, the side fixed mounting of screening mechanism has exhaust mechanism, the fixed mounting of exhaust mechanism has discharging assembly, the top of screening mechanism is provided with cleaning assembly, the utility model is discharged by setting discharging assembly, when the device is used, the discharging speed of grain can be controlled, so that the effect of exhaust mechanism is better, use more flexible, improve the discharging control function of the device, enhance practicality, by setting cleaning assembly, the filter hole on the surface of roller can be cleaned, avoid impurity to block filter hole, so as to affect the screening efficiency of the device, dust can be handled simultaneously, avoid dust harm the health of operator.

This invention relates to the field of medical and health product manufacturing equipment, specifically a sieving device for deep-sea fish oil microcapsules. The device includes a sieving box containing a sieving machine. A filter screen is mounted on one side of a sieving plate on the sieving machine. The side end of the filter screen is connected to the inner wall of the sieving box. A drive assembly is located on the side of the filter screen away from the sieving machine. Several coordinating components are evenly distributed on the drive assembly. Each coordinating component has a changing component on its side. An output component is mounted on the changing component, and a backwash component is located on its side below the sieving plate. This invention, through the operation of the drive assembly and the changing components, can prevent deep-sea fish oil from adhering to each other while automatically cleaning the inner wall of the sieving holes, greatly improving the sieving effect and efficiency.

The utility model discloses a screening device for high-performance silicon-based heat conduction material production, which relates to the technical field of high-performance silicon-based heat conduction material production, and particularly comprises a device shell, a screening belt for screening high-performance silicon-based heat conduction material production filler is arranged in an inner cavity of the device shell along the vertical direction, and the screening belt is arranged in the inner cavity of the device shell. A uniform thickness scraping plate is arranged above the feeding end of the screening belt, a material gathering hopper is arranged below the discharging end of the screening belt, and a material guiding pipe is arranged at the discharging end of the material gathering hopper. According to the screening device for production of the high-performance silicon-based heat conduction material, the impact force of filler on the screening belt is reduced through the buffer blocks and the screen plates, abrasion of the screening belt is reduced, and the service life of the screening belt is prolonged; and the uniform-thickness scraper is used for scraping the filler on the screening belt, so that the thickness of the filler on the screening belt is guaranteed, the screening efficiency is prevented from being influenced by over-thick local filler on the screening belt, and the working efficiency of the device is guaranteed.

This utility model relates to the field of powder coating production technology and discloses a resin powder sieving device for powder coating production. A sieving frame is fixedly installed inside the mounting frame, and the number of sieving frames is three sets. Support columns are horizontally fixedly installed on both sides of the outside of the mounting frame, and a transmission frame is vertically fixedly installed between the outer sides of the support columns. A connecting frame is fixedly installed on the top of the outside of the mounting frame. In this utility model, when the servo motor drives the actuating lever to rotate, it can drive multiple sets of second transmission rods located at the bottom of the sieving frame to rotate synchronously. Combined with the connecting transmission action of the second transmission rods, it can drive the striking plate to rotate synchronously at the bottom of the sieving frame, striking it from the bottom. This causes the sieving frame itself to vibrate, discharging the powder particles clogging the mesh, thus preventing the accumulation and clogging of powder materials and avoiding affecting the sieving efficiency.