112results about How to "Implementation drive" patented technology

The present invention discloses an automatic wall-building machine and a wall-building method thereof, belonging to the technical field of automated equipment for construction projects. Under the drive of a first motor, a first transmission mechanism drives a lead screw to rise and fall, so that a top mechanism on a lifting unit is automatically lifted and lowered, and a turntable on the turntable is transported to a predetermined position through a turntable, a conveyor belt, a load-bearing plate and a conveyor connected in sequence, and under the action of a fan blade, the brick is made parallel to the wall, and then cement is sprayed on the outer surface of the brick through a cement spraying fixed unit, and at the same time, a foundation is laid for the laying of the next layer of bricks. The present invention completes automatic wall-building through the mutual cooperation between the lifting unit, the transport unit and the cement spraying fixed unit, and has high automation performance. The whole process does not require labor and labor, which greatly saves labor costs. The automated operation also improves the wall-building accuracy, so that the construction efficiency is greatly improved.

The invention discloses a double-drum spiral tensioning device, which relates to the technical field of belt conveyors and comprises a rack, a support roller, a support rod, a support seat, a connecting seat, a screw rod sleeve and a driving box. Supporting rollers are arranged at the two ends of the interior of a rack, connecting bases are arranged on one sides of the two supporting rollers, lead screw sleeves are arranged on one sides of the connecting bases, adjusting lead screws are arranged in the lead screw sleeves, transmission rods are arranged at one ends of the adjusting lead screws, and the transmission rods are connected with driving rods through worm wheels and worms; the driving rod can be rotated to drive the transmission rod to rotate, so that the two supporting rollers are driven to move at the same time to achieve the effect of adjusting the rollers of the two supporting rollers at the same time, the driving box is arranged below the rack, the movable roller and the driving roller are arranged in the driving box, and the movable roller and the driving roller can drive the belt. Therefore, the two supporting rollers at the two ends of the machine frame are synchronously adjusted, and meanwhile normal operation of the belt is not affected.

This application relates to a lightweight AI glasses using a Micro LED optical engine module, belonging to the field of AI glasses technology. The lightweight AI glasses using a Micro LED optical engine module include a frame and temples. One end of the temples is rotatably connected to the frame. A limiting portion is also provided at the end of the frame. A first adjustment mechanism is also provided on the frame. The first adjustment mechanism includes an abutment frame and a fixing component. The abutment frame is located at one end of the temple near the frame, and one end is rotatably connected to the temple. The limiting portion is located on the displacement path of the other end of the abutment frame when it rotates with the temple. The fixing component is used to fix the abutment frame after rotation. This application improves the comfort of the user when wearing the lightweight AI glasses.

The invention discloses a multi-channel pushing power connection driving device which comprises a driving mechanism capable of generating linear driving force; a plurality of transmission units are arranged, each transmission unit corresponds to one flexible sleeve, a transmission driving part is arranged in each flexible sleeve, the tail end of each flexible sleeve is connected with a function execution assembly, and the transmission units transmit driving force to the transmission driving parts after being subjected to linear driving force, so that the transmission driving parts move relative to the flexible sleeves. Therefore, the power is transmitted to the function execution assembly to enable the function execution assembly to act. The driving mechanism is installed at one end of the motion platform, the multiple transmission units are arranged at the other end of the motion platform, and the motion platform can regulate and control the relative position of the driving mechanism relative to the transmission units; under the driving action of the moving platform, the driving mechanism is correspondingly matched with one or more corresponding transmission units on the mounting platform so as to drive the transmission units to drive the corresponding transmission driving parts.

The present application relates to a kind of for garbage compressor material leakage return device and material leakage return method, material leakage return device includes transmission mechanism and hopper mechanism, wherein, transmission mechanism includes mounting bracket and drive assembly and track assembly being set on mounting bracket, track assembly is arranged between the material leakage passage and material leakage port of garbage compressor;Hopper mechanism is slidably arranged on track assembly, drive assembly is connected with hopper mechanism to drive hopper mechanism movement along track assembly, and drive hopper mechanism overturning.Drive assembly is connected with hopper mechanism, drive assembly drives hopper mechanism movement along track assembly, realizes the material leakage return form of reciprocating multi-point feeding, single-point unloading form, returns the compressed cavity in multiple material leakage return from inside and outside garbage compressor.The device sends the material leakage generated in the working process of garbage compressor into compressor, the whole process is coherent, degree of automation is high, manual participation is low, improves the efficiency and degree of automation of material leakage cleaning.

The utility model relates to the field of vehicle door handles, and particularly discloses a hidden vehicle door handle structure which comprises a base and a handle, the base is embedded in a vehicle door and close to the outer side of the vehicle door, an opening communicated with an internal mounting space is formed in the outer side face of the vehicle door, the handle is embedded in the opening, and a swing assembly, a driving assembly and an unlocking assembly are arranged in the base. The handle is in linkage with the swing assembly and has a hidden position, a working position and a triggering position, the driving assembly is used for driving the swing assembly to move so as to drive the handle to move, and the unlocking assembly is used for cooperating with the handle to unlock the automobile door. The device has the advantages of being simple in structure, convenient to implement and low in cost.

The invention relates to the technical field of grinding devices, and provides a grinding device for the exterior of a wire rod, which can realize single-time full-ring complete treatment of the wire rod, is relatively stable in treatment quality, has an automatic abrasive cleaning function, is relatively low in manual maintenance frequency and relatively good in practicability, and comprises a transmission mechanism and a main body structure, a main body structure comprises a foundation frame, a processing box is fixedly connected in the foundation frame, a threading opening is formed in the processing box and used for threading of wires, a fixed box is fixedly connected to the top end of the processing box, lifting boxes are slidably connected to the front end and the rear end of the processing box, and a plurality of fixed coils and a plurality of fixed conductors are arranged in the fixed box; a plurality of fixed conductors are arranged in the processing box, a plurality of fixed coils are respectively wound on the plurality of fixed conductors, a plurality of lifting coils and a plurality of lifting conductors are arranged in the two lifting boxes, the plurality of lifting coils are respectively wound on the plurality of lifting conductors, the transmission structure is mounted in the foundation frame, and an inclined arc-shaped supporting plate is fixedly connected in the processing box.

The utility model discloses a cell infusion device for cell biological treatment in the technical field of cell back -perfusion device, include: mounting bracket, one side of mounting bracket is provided with limit unit and shake unit, limit unit is used for limiting the position of infusion bag one side of mounting bracket, shake unit is used for installing limit unit one side of mounting bracket and control limit unit shake. In the utility model, through the surface fixed mounting of one drive rail of mounting panel, make when using, the user can set up infusion bag infusion pipe between two clamping rings, then rotate twist column, drive positive and negative toothed lead screw, realize the drive of two clamping rings, finally make two clamping rings just contact on the surface of infusion bag infusion pipe, like this can avoid infusion pipe to and fro shake when infusion bag shakes, also can not to infusion pipe carry out close clamping fixed, avoid the emergence of the situation of pulling infusion pipe.

This utility model discloses a transformer copper foil winding fixture belonging to the field of transformer processing technology. It includes a base, a turntable movably connected to the top of the base, a fixed clamping plate fixedly welded to one side of the top center of the turntable, and a drive groove on the other side of the top center of the turntable. A clamping motor is fixedly installed at the end of the drive groove away from the fixed clamping plate, and a screw is provided at the output shaft end of the clamping motor. A slider is slidably arranged inside the drive groove, and a movable clamping plate is fixedly welded to the top of the slider. A threaded sleeve is embedded in the inner side of the slider. By setting the fixed clamping plate and the movable clamping plate on the top of the turntable, the clamping motor in the drive groove drives the screw to rotate, causing it to move the threaded sleeve and the slider, thereby driving the movable clamping plate to move closer to the fixed clamping plate and clamp and fix the end of the copper foil, ensuring its stability and preventing the end of the copper foil from detaching at the beginning of winding.

The invention discloses an aggregating machine for waste metal treatment and a working method thereof, and belongs to the technical field of waste metal equipment, the aggregating machine for waste metal treatment comprises a fixing box, a crushing mechanism, a driving mechanism, a cooling mechanism and an aggregating mechanism. According to the crushing mechanism, the crushing assembly, the rotary drum and the baffle are arranged, and when the driving mechanism operates, the crushing assembly can crush waste metal; and the rotating drum and the baffle can convey the waste metal into the crushing assembly again, so that the crushing assembly can crush the waste metal for multiple times, and the crushing effect of the waste metal is improved.

This application relates to a harvester ladder and a harvester, belonging to the field of agricultural equipment technology, to optimize the structure of the harvester ladder to a certain extent, simplify the transmission structure, and reduce manufacturing and maintenance costs. The harvester ladder provided by this utility model includes a ladder assembly, a drive assembly, and a positioning assembly; one end of the drive assembly is rotatably connected to the positioning assembly, and the other end is rotatably connected to the side of the ladder assembly; the ladder assembly has a docking part, the positioning assembly has a positioning part, and the docking part and the positioning part are rotatably connected; the drive assembly includes a telescopic drive component, and the extension and retraction of the telescopic drive component can drive the ladder assembly to rotate relative to the positioning assembly.

The invention discloses a detection device of an electronic instrument, and relates to the technical field of waterproof detection. The device comprises a detection box, the detection box is connected with a driving mechanism, mechanical arm mechanisms are fixedly mounted on the two sides of the detection box, each mechanical arm mechanism comprises a mounting plate fixedly connected with the detection box, a guide groove is formed in the mounting plate, and the mounting plate is rotationally connected with a force arm rod which is driven through the driving mechanism; the inner wall of the sliding sleeve is slidably connected with a first sliding rod, the inner wall of the first sliding rod is slidably connected with a guide groove, and one end of the guide groove is rotatably connected with a third shaft rod slidably connected with the force arm rod and the guide groove. A double-head fork plate drives a first rack to move up and down and drives a driving disc on a gear disc to rotate in a reciprocating mode, and a second sliding rod is used for driving a second rack to move in a reciprocating mode, so that a force arm rod is driven, the position of an electric clamping jaw is adjusted, and an electronic instrument is convenient to take and place.

The invention belongs to the technical field of hardness detection, and particularly discloses a continuous multi-point type road surface hardness detection device which comprises an advancing driving type force storage mechanism, a variable speed type spacing control mechanism, an elastic striking execution mechanism and a mounting assembly, the advancing driving type force storage mechanism is arranged on a sliding plate, and the variable speed type spacing control mechanism is arranged on the sliding plate; the variable-speed spacing control mechanism is arranged on the advancing driving type force storage mechanism, and the elastic striking executing mechanism is arranged on the sliding plate. According to the mounting assembly, downward pressure on the sliding plate can be kept, so that rolling contact between the rolling wheels and the ground is still kept when the vehicle longitudinally fluctuates; power is provided through rolling of the rolling wheels to drive the elastic striking executing mechanism to conduct power storage and release, the driving structure can be simplified, and more importantly, when the vehicle speed fluctuates, the stability of the distance between detection points can still be kept.

The present application provides a pipeline detection auxiliary hoisting engineering vehicle, and relates to the field of detection auxiliary equipment, comprising: a vehicle frame assembly, a rotating assembly is rotatably installed at the upper end of the vehicle frame assembly, an auxiliary assembly is fixed on the vehicle frame assembly at the lower end position of the rotating assembly, and has the functions of bearing detection instruments and a cable winch; a guide wheel on the auxiliary assembly and a guide wheel of a bearing assembly both have the effect of guiding the cable; the bearing assembly is cooperatively controlled by a driven assembly and a transmission assembly, all components for controlling and lifting the bearing assembly are installed on the rotating assembly, the rotating assembly can rotate, the rotating assembly has a better effect of corresponding to the arbitrarily angled port hole at the lower end of the pipeline well, so that the detection vehicle on the bearing assembly can enter conveniently, and the problem of poisoning of personnel during the placement process of the existing manual well lowering is solved, and the problem of the need for manual secondary adjustment in the later equipment operation, which greatly causes the waste of manpower and financial resources, is solved.

This utility model relates to the field of unmanned aerial vehicle (UAV) technology and discloses a mounting device for UAVs used for inspecting power lines in forests. The device includes a sliding plate with an electric track on its underside. The output end of the electric track is used to fix the mounting equipment. A drive assembly is located on the upper side of the sliding plate. Arc-shaped hanging rods are mounted at both ends of the drive assembly. Support legs are rotatably connected to both ends of the arc-shaped hanging rods. A rotating mechanism is mounted on the arc-shaped hanging rods. A pressure sensor is located at the end of each support leg away from the rotating mechanism. This utility model, through the rotating mechanism, support legs, arc-shaped hanging rods, pressure sensor, drive assembly, and electric track, solves the problem that when a UAV is stopped for equipment replacement or recharging, the terrain limitations and the different centers of gravity of the mounted equipment cause the UAV's center of gravity to shift, leading to the UAV easily tipping over and affecting the continuity and safety of operations.

The invention discloses an electrical practical training platform, which comprises a main frame, at least one mounting area is defined by the main frame, and the main frame comprises an upper frame, a lower frame, a left frame and a right frame which define the mounting area; each mounting area is provided with one group of mounting structures, and each mounting structure comprises at least one cross beam extending along the horizontal direction so as to divide the mounting area to form a plurality of mounting positions for mounting electrical elements; and the electrical function platform is arranged on the main frame, and the electrical function platform comprises a signal interface module and a power supply module. By integrating the mounting structure and the electrical function platform, bearing, power supply and full-signal interaction of multi-size offline industrial electrical elements are realized, deep skill training from principle verification to fault simulation is supported, the problems that practical training content is separated from actual production and the special training cost is high are solved, and the training effectiveness and the resource utilization rate are improved.

The present invention discloses a bladeless air fryer, which relates to the technical field of food cooking equipment. The present invention includes an air guiding system, a shell, a cooking cavity arranged in the shell, a heating component, and a heat insulation component arranged between the cooking cavity and the shell. The air guiding system includes: an air inlet arranged at the upper part and / or the lower part of the shell and / or located between the upper part and the lower part; an exhaust port; a fan; a first air duct formed between the shell and the heat insulation component, which is used to connect the air inlet with the fan fluid; a second air duct for fluidly connecting the fan and the cooking cavity; a third air duct for fluidly connecting the cooking cavity and the exhaust port; wherein an annular air guide is provided in the second air duct for guiding air into the cooking cavity. The present invention has the advantages of air heat balance, simple and clean overall device, compact structure, and more convenient miniaturization design of the product through reasonable design of the structure.

The present invention provides a cumulative filter pressing and dehydration device for water-containing materials, comprising: a filter cylinder, in which several layers of materials to be processed wrapped by filter cloth are laid up and down in the filter cylinder; an extrusion device, which is arranged above the filter cylinder and comprises an extrusion plate for extruding the materials in the filter cylinder; the extrusion plate comprises a main body, and a protrusion protruding downward is arranged on the bottom surface of the main body, and the cross section of the protrusion gradually decreases from top to bottom. Through the above arrangement, the middle part of the bottom surface of the extrusion plate protrudes downward, so that the extrusion force of the middle part of the bottom surface of the extrusion plate on the material is greater than the extrusion force on the material near the edge, so that the water in the material has a flow trend from the middle part of the filter cylinder to the edge of the filter cylinder, thereby improving the dehydration effect on the material; at the same time, it can also prevent the edge of the filter cloth from being stuck between the movable bottom plate and the inner peripheral wall of the cylinder body, and in the water outlet hole on the inner peripheral wall of the cylinder body, so that the cloth rolling and unloading process can be carried out smoothly, and the filter cloth can be prevented from being torn, thereby improving the service life of the filter cloth.

The utility model discloses a trench excavation control device, which relates to the technical field of construction and comprises a mounting frame and a rotating shaft, and a trench excavation fluted disc is sleeved on the outer side of the rotating shaft; a shell is arranged at one end of the rotating shaft and located on the side edge of the mounting frame, a driving mechanism is arranged in the shell, and an excavation width control mechanism is arranged at the other end of the rotating shaft. A plurality of connecting plates are arranged on the side wall of the mounting frame, and mounting holes are formed in the connecting plates; a reinforcing plate is arranged at the top of the mounting frame, and a supporting plate is arranged on one side of the reinforcing plate; the excavation width control mechanism comprises a shaft sleeve and a shaft shoulder which are arranged at the other end of the rotating shaft, and a connecting groove matched with the shaft shoulder is formed in the shaft sleeve; a telescopic cylinder is arranged at the top end of the supporting plate, a square plate is arranged on an output shaft of the telescopic cylinder, and the bottom of the square plate is connected with the shaft sleeve. According to the utility model, the excavation width of the groove can be controlled, the damage to the environment is reduced, and the resource consumption is reduced, so that the construction requirements of green buildings are better met.

The application belongs to the signal reading part in the circuit system, and relates to a digital signal driving circuit and a driving method with multi-channel input and single-channel output. The driving circuit comprises an enabling pulse generating circuit, a time sequence generating circuit and m signal transmission circuits. The enabling pulse generating circuit has one clock signal input end, one enabling pulse signal input end and n column-level circuit output switch control signal output ends. The time sequence generating circuit has k column-level circuit output switch control signal input ends and k signal transmission control time sequence output ends. Each signal transmission circuit has n column-level circuit signal input ends, n column-level circuit output switch control signal input ends, k signal transmission control time sequence input ends and one single-tap data output end. In one signal transmission circuit, n columns of signals are divided into k sections for driving respectively, and each section has j columns of reading circuits, so that multi-channel input and single-channel output of single-tap signal transmission from the column-level circuit are realized.

The utility model relates to the technical field of solar cell processing, in particular to a feeding device for polycrystalline silicon solar cells, which comprises a driving assembly and a clamping assembly fixed with the driving assembly. The driving assembly comprises a mounting plate, an output shaft of a motor fixed to the middle of one side of the mounting plate, and a positioning plate fixed to the motor through a connecting rod. The clamping assembly comprises a machine base fixed to one side of the mounting plate, layer plates fixed to the machine base in a spaced mode, a main gear, an auxiliary gear, a driving arm fixed to the middle of the main gear and the middle of the auxiliary gear, an auxiliary arm movably connected with the layer plates and a clamping jaw movably connected with the end of the driving arm and the end of the auxiliary arm, wherein the main gear and the auxiliary gear are movably arranged between the layer plates. And the gasket is fixed on the inner side of the clamping jaw. The driving assembly is arranged to drive the clamping assemblies to rotate, and the clamping assemblies are used for clamping and fixing battery patches, so that continuous transfer of battery patch raw materials is realized, and the feeding efficiency is improved.

This invention provides a charger that efficiently controls a single fan cooling multiple converters by utilizing multiple control circuits that control multiple converters separately. A first converter generates a first charging current. A second converter generates a second charging current. A first control circuit controlling the first converter requests fan activation in response to the fulfillment of a first drive condition. A second control circuit controlling the second converter requests fan activation in response to the fulfillment of a second drive condition. A request processing circuit outputs a drive signal to the fan based on the request for fan activation from the first control circuit and / or the second control circuit. The fan, upon receiving the drive signal, delivers cooling air to both the first and second converters.

The utility model relates to the technical field of splitting machines, and discloses a middle film splitting machine which solves the problem that an existing middle film splitting machine is poor in using effect and comprises a machine frame, and a guide roller set, a traction roller set, a pushing roller set and a bottom supporting roller are sequentially arranged at the bottom end in the machine frame. A slitting mechanism and a fixed-length cutting mechanism are sequentially arranged at the top end in the rack, the slitting mechanism is located at the top between the guide roller set and the traction roller set, and the fixed-length cutting mechanism is located at the top between the pushing roller set and the bottom supporting roller. A first servo motor fixedly connected with the traction roller set, a second servo motor fixedly connected with the pushing roller set and a driving motor fixedly connected with the bottom supporting roller are sequentially arranged at the bottom end of the front face of the rack. By means of the middle rubber sheet splitting machine, the splitting distance can be adjusted, meanwhile, the number of the splitting cutter heads can be increased or decreased conveniently, adaptability is improved, in addition, split middle rubber sheets can be cut off, and using convenience is improved.

The application discloses a kind of green building wall structure, comprising: wall, filter, water storage part and water supply assembly;Wall outside is planted pot for planting potted plant, is opened with cavity from top to bottom in wall, water storage part is equipped at the bottom of cavity, water storage part is suitable for containing rainwater flowing into cavity, water supply assembly rainwater in water storage part is sent to planting pot to irrigate potted plant, to realize saving resources, environmental protection, reduce environmental pollution.In the upper portion of cavity, filter is arranged, filter is used to filter rainwater flowing into cavity from the top of wall, impurities in rainwater are intercepted on filter, so as to avoid impurities in rainwater from causing blockage of water supply assembly, increase maintenance cost.

The utility model discloses dry-method machine-made sand equipment, and relates to the technical field of sandstone processing. The device comprises a crushing box, a feeding port is formed in the top of the crushing box, the feeding port is used for inputting stone materials, a material guide plate is obliquely arranged in the feeding port and fixedly connected with the inner wall of the crushing box, and a discharging port is formed in one side of the crushing box and used for discharging manufactured sand materials. According to the dry-method machine-made sand equipment disclosed by the utility model, the crushing and screening performances are remarkably improved, stones are ensured to be accurately fed between the crushing rollers through optimal design, and efficient and uniform crushing is realized; the multiple stages of screening plates are provided with different apertures, sand materials are effectively classified and screened, and the product quality is improved; the driving assembly is simple in structure, and stable driving of crushing and screening operation is ensured; the discharge plates are different in design, so that classified collection is facilitated, and the practicability is enhanced; and on the whole, the structure of the equipment is simplified, the maintenance cost is reduced, and the gravel processing efficiency and quality are improved.

The utility model provides a shielding device and a solar facility. The shielding device comprises a first supporting piece suitable for being arranged on a solar heat collection device; the second supporting piece is opposite to the first supporting piece and is suitable for being arranged on the solar heat collection device; the driving mechanism comprises a transmission assembly, the transmission assembly is arranged between the first supporting piece and the second supporting piece, and the shielding piece is arranged between the first supporting piece and the second supporting piece in a telescopic mode and suitable for being arranged above the solar heat collection device; in the longitudinal extension direction of the shielding piece, the transmission assembly is connected with the shielding piece so as to drive the shielding piece; the guide assembly is in sliding fit with the shielding piece; the multiple guide assemblies are arranged between the first supporting piece and the second supporting piece in parallel at intervals, and the transmission assemblies are arranged between the adjacent guide assemblies. The solar heat collection device can be shielded under the stretching in severe weather, and the surface of the solar heat collection device is protected; and the device is recovered under a sunny condition to ensure the operation of the device.

The utility model discloses a kind of linkage type outgoing type door opening and unloading mechanism, including cabinet door and the unloading port being opened in cabinet door.In the present application, driving member drives driving wheel to rotate, transmission belt is counterclockwise between driving wheel and driven wheel Motion, transmission belt linkage promotes chain, promotes chain and turns through guide pulley, promotes chain and pulls out drawer back, until to out drawer and be combined to placement platform, while chain outside slider moves to the limit position above connecting strip, then promotes chain and continues to go up, promotes chain and will be pulled up by the cooperation of slider and connecting strip, sliding seat outside seal door moves along guide rail, until seal door completes the plugging of unloading port, by a group of driving member cooperation corresponding linkage structure, realize the drive of out drawer and seal door, reduce unnecessary part, reduce cost, and adopt intermittent transmission power of linkage type, it is convenient and reliable, can effectively solve the problem of collaborative interference.

The utility model relates to the field of waste heat boilers, in particular to energy-saving and environment-friendly waste heat boiler flue cleaning equipment which comprises a cleaning assembly installed on a hollow installation cover plate. Wherein the cleaning assembly comprises a first motor, a lead screw, a lifting plate and a mounting side plate, the first motor is mounted in the middle of the upper end face of the hollow mounting cover plate, the lower end of an output shaft of the first motor penetrates through the hollow mounting cover plate, the lead screw is arranged in the vertical direction, and the upper end of the lead screw is fixedly connected with the lower end of the output shaft of the first motor; the screw rod is sleeved with the lifting plate in a threaded mode, the lifting plate is sleeved with the annular mounting plate, the number of the mounting side plates is four, the four mounting side plates are mounted on the outer end face of the annular mounting plate in an annular array mode, the cleaning scraping plate is mounted at the other ends of the mounting side plates, and the cleaning device further comprises mounting holes. The flue cleaning device can automatically clean the flue of the energy-saving and environment-friendly waste heat boiler, and has an adjusting function, so that the applicability is improved.

The utility model discloses a flour processing filter sieve, which belongs to the technical field of flour processing and comprises a device body, a filter sieve is arranged in the middle of the device body, a support rod is arranged on one side of the filter sieve, a driving component connected with the filter sieve is arranged on the side edge of the device body, and a sieve mesh is arranged at the bottom of the filter sieve. The driving assembly is arranged, the driving motor rotates to drive the rotating rod to rotate, the rotating rod drives the rotating shaft to rotate, the rotating shaft moves in the sliding groove of the sliding rod, the rotating shaft rotates to drive the sliding rod to horizontally move, the connecting rod on the side edge of the sliding rod drives the filter sieve to reciprocate in the device body, flour in the filter sieve is screened and filtered, driving is stable, and the filtering effect is good. The screening and filtering effects are ensured; the detachable screen is arranged, the screen with the corresponding hole diameter is installed according to the screening requirement, the screen frame is clamped into the installation groove, the clamping groove is clamped to the magnet block, the magnet block is connected with the clamping groove in a magnetic attraction mode, replacement is rapid, and using portability is improved.