54results about How to "Guaranteed normal rotation" patented technology

The utility model discloses a stopper and a vertical warehouse shuttle vehicle system, the stopper comprises a base, the base is provided with a gap in the direction impacted by a shuttle vehicle, a turnover stop block is arranged in the gap, and the base is also provided with a push rod mechanism in the direction of an elevator; the stop block comprises a body and an elastic piece, horizontal movement of the push rod mechanism under the stress effect is converted into rotary movement of the elastic piece, the elastic piece drives the body to turn over under the action of the rotary movement, when the body turns over to be higher than the notch, the shuttle vehicle is stopped, and when the body turns over to be lower than or flush with the notch, the shuttle vehicle is not stopped. The stop block and the gear shaft are linked through the elastic piece, that is, the stop block is driven to rotate through the elastic piece when the gear shaft rotates, the stopper can be buffered to a certain degree through connection of the elastic piece, gear damage or cylindrical head screw deformation is avoided, and the service life of the stopper is prolonged.

This utility model relates to a spray arm structure for a cleaning machine and a cleaning machine using the same. It includes an inner tank and a spray arm installed within the inner tank. The spray arm includes a main arm and a secondary arm movably connected to a first end of the main arm. Spray holes are provided on both the main arm and the secondary arm. The rotation center of the spray arm is located on the main arm, and the length between the rotation center and the free end of the secondary arm is greater than the distance between the rotation center and the side walls of the inner tank. During rotation, the secondary arm extends along the length of the main arm under the action of centrifugal force, becoming straight. When the free end of the secondary arm abuts against the side walls of the inner tank while the secondary arm is straight, the secondary arm bends relative to the main arm, becoming non-straight. Compared with the prior art, this utility model expands the spray coverage area of ​​the spray arm, avoids spray dead zones, and improves the cleaning effect of the cleaning machine. It also prevents interference between the spray arm and the side walls of the inner tank, ensuring the normal operation of the cleaning machine.

The utility model discloses a dustproof cover piece of a manual-automatic integrated door closer, which comprises an uncovered box body and a door closer body, the door closer body is fixedly arranged in the uncovered box body, a guide shaft is arranged on the door closer body, and a panel is fixedly arranged at the upper end of the uncovered box body. The circular dustproof cover is placed on the panel, the guide shaft penetrates through the circular opening and the annular sealing ring, the annular protrusion and the four arc-shaped protrusions abut against the lower end of the circular dustproof cover, the annular insertion block is inserted into the annular insertion groove in the annular positioning block, and therefore the circular dustproof cover can be conveniently and rapidly positioned on the panel; the structure is simple and practical, buffering protection is provided for the circular dustproof cover through the arranged annular protrusion, four arc-shaped protrusions and annular inserting blocks, damage to the circular dustproof cover due to external force such as treading or foreign matter collision is avoided, good sealing is provided for the circular dustproof cover through an annular positioning block and an annular sealing ring made of a wear-resisting rubber product, and the service life of the circular dustproof cover is prolonged. And normal rotation of the guide shaft is ensured.

The utility model provides a rotary adjustable solar panel device which comprises a base used for supporting the whole device, a planetary gear assembly is rotatably installed in the center of the base, a rotating column structure is installed on the planetary gear assembly, and a solar panel is installed on the top of the rotating column structure through a photovoltaic panel support mechanism. A plurality of sets of telescopic supporting legs are installed at the bottom end of the photovoltaic panel support mechanism, the telescopic supporting legs located on the same side are fixedly connected through transverse columns, universal wheel sets are fixedly installed at the bottom ends of the telescopic supporting legs, and the universal wheel sets are supported at the top end of the base in a rolling mode. The device can be well applied to photovoltaic engineering in remote areas, and in the specific using process, direction adjustment can be carried out according to the illumination position, angle adjustment can be carried out according to illumination, light energy is utilized to the maximum degree, and the power generation efficiency is improved.

The utility model relates to the technical field of heat insulation strip production, in particular to a high-precision deviation rectifying device for nylon heat insulation strip production, which comprises a controller, an adjusting rod is rotatably connected to the inner wall of the controller, a mounting frame is mounted at one end, far away from the controller, of the adjusting rod, and a round roller is rotatably connected to the inner wall of the mounting frame. A rotating roller is mounted in the mounting frame, rotating rods are fixedly connected to the two ends of the rotating roller, an inductor is fixedly connected to the side face of the controller, the surface of the rotating roller is sleeved with a rubber pad, a replacing device is arranged on the surface of the mounting frame, and the replacing device comprises two rectangular plates; the two rectangular plates are slidably connected to the inner wall of the mounting frame. According to the utility model, the problems that as the rubber pad is in an extruded state for a long time, the rubber pad is prone to plastic deformation, the use performance of the rubber pad is influenced, and the replacement of the rubber pad is complicated, so that the efficiency of replacing the rubber pad is low are solved.

This utility model discloses an examination bed with an automatically changeable sheet, including a bed body connected to a liftable bed frame. The bed frame can adjust the vertical position of the bed body, and both ends of the bed frame are equipped with rotating rollers. A sheet is laid on the bed body, with one end of the sheet wound around one of the rotating rollers and the other end wound around the other rotating roller. One of the two rotating rollers is used to reel in an unused sheet, and the other is used to reel in a used sheet. An anti-detachment mechanism includes a first limiting part on the bed frame and a second limiting part on the rotating roller. The rotating roller can drive the second limiting part to connect with the first limiting part. When the second limiting part is connected with the first limiting part, the rotating roller can rotate relative to the second limiting part, and the second limiting part and the first limiting part can prevent the rotating roller from displacing in the longitudinal direction.

The utility model relates to a marine transportation positioning and tracking device, which comprises a bottom plate, a high-precision positioning tracker, a driving assembly, a main power supply assembly and a lead, the high-precision positioning tracker is mounted on the surface of the bottom plate in an attached manner, the driving assembly is mounted on the surface of the high-precision positioning tracker in an attached manner, and the lead is connected with the main power supply assembly. The main power supply assembly is installed on the surface of the driving assembly in an attached mode, and the wire is connected between the main power supply assembly and the high-precision positioning tracker. According to the marine transportation positioning tracking device, by means of the mode that the ship swings slightly to generate electricity stably when the ship sails, the problems that a transportation positioning tracking device is high in cost due to the fact that a diesel engine provides power for an electric generator to generate electricity, and normal use of the marine transportation positioning tracking device cannot be effectively guaranteed when the diesel engine breaks down are solved.

The utility model discloses an automatic colla corii asini powder grinding device which comprises a shell, the rear surface of the shell is rotatably connected with a sealing cover through a hinge, the lower surface of the sealing cover is fixedly connected with a sealing gasket, the side inner wall of the shell is movably connected with a grinding cylinder, and the lower surface of the grinding cylinder is provided with filter holes. The lower surface of the smashing cylinder is fixedly connected with a protective shell and a first motor, the output end of the first motor is fixedly connected with a rotating shaft, the side surface of the rotating shaft is fixedly connected with blades, the side surface of the shell is rotationally connected with a sealing door through the rotating shaft, and the lower surface of the shell is fixedly connected with a second motor. The output end of the second motor is fixedly connected with a lead screw, the side surface of the lead screw is in threaded connection with a filter screen screening disc, and the lower surface of the shell is fixedly connected with a base.

This invention discloses a coating device for battery production, relating to the field of automotive lithium battery technology. The invention includes a processing table and a lithium battery, and further includes a clamping assembly for clamping and fixing the lithium battery placed on the processing table. The clamping assembly includes two movable plates slidably mounted on the processing table, each equipped with a buffer mechanism. The advantages are: this invention can automatically adjust the height of the lithium battery relative to the processing table during the coating process by utilizing changes in clamping force. This avoids rigid contact between the battery and the processing table during subsequent rotational coating, which could affect the coating effect or even cause scratches on the cell casing. It also ensures that the coated lithium battery rests stably on the processing table, and the pressure applied to the coating film remains stable throughout the coating process, ensuring smooth operation and effective coating.

The thinning machine comprises a rotary table assembly, a grinding assembly, a liquid receiving disc and a sealing assembly, the rotary table assembly is used for bearing a to-be-machined part, the grinding assembly is used for grinding the to-be-machined part on the rotary table assembly, the liquid receiving disc is used for receiving waste liquid, and the sealing assembly comprises an annular sealing groove and a flange structure; the annular sealing groove is formed in the liquid receiving disc and used for storing sealing liquid, the flange structure comprises an annular drainage flange and an annular sealing flange, the annular drainage flange is used for guiding waste liquid on the rotary table assembly to flow into the liquid receiving disc, and the annular sealing flange is arranged between the annular drainage flange and the rotary table assembly; and the sealing ring is used for being inserted into the sealing liquid in the annular sealing groove. The problem that in the prior art, sealing is conducted through a sealing ring, and defects exist can be effectively solved.

The utility model discloses a kind of backward order partial formula track structure, and vehicle body is cooperated and installed, the track structure includes track, driving wheel, tensioning guide wheel assembly, load wheel group and multiple load wheel groups, track is set on driving wheel, tensioning guide wheel assembly, load wheel group and multiple load wheel groups, to make track constitute annular structure;Wherein, driving wheel and tensioning guide wheel assembly are spaced apart, load wheel group and multiple load wheel groups are spaced apart between driving wheel and guide tensioning wheel group, each load wheel group is swinged along vehicle body and is respectively equipped with first shock absorber between vehicle body;Load wheel group is adjacent to driving wheel, second shock absorber is equipped between load wheel group and vehicle body, and limit arm is equipped between load wheel group and driving wheel, to make load wheel group swing along the axis of driving wheel.The swing mode of load wheel group adjacent to driving wheel is improved in the application, various problems caused by the reduction of ground contact length during track driving can be avoided.

This utility model discloses a transport and cleaning carrier for coating machine rollers, relating to the field of roller surface cleaning technology. It includes a carrier frame, which is trapezoidal in shape laterally, with guide plates on both sides of the trapezoid. Two sets of guide plates are positioned between the carrier frame and the carrier frame to support the coating machine rollers. A rotating top seat is detachably installed on the top of the carrier frame, and rotating telescopic arms are simultaneously installed on both sides of the rotating top seat. A movable crossbar is installed at the end of each rotating telescopic arm, and a cleaning component is slidably connected to the movable crossbar. The cleaning component is used to clean the coating machine rollers, thus addressing the lack of cleaning effectiveness in existing transport coating machine rollers.

The utility model relates to a manual focusing mechanism for double optical paths, and belongs to the technical field of focusing of handheld equipment. Comprising a focusing frame, a first focusing mechanism and a second focusing mechanism. The focusing frame comprises a focusing fixing seat, a middle adapter plate and a focusing upper cover, the first focusing mechanism comprises a first focusing wheel, a first focusing lead screw, a first focusing nut, a focusing pull rod and a first connecting arm, and the second focusing mechanism comprises a second focusing wheel, a transmission shaft, a second focusing lead screw, a second focusing nut and a second connecting arm. The focusing mechanism can be independently assembled, then the focusing mechanism and the lens cone assembly are assembled, the focusing mechanism is convenient to disassemble, assemble and maintain, batch production can be carried out, the first focusing mechanism and the second focusing mechanism which are assembled achieve the independent manual focusing function of the double-optical-path lens, the relative position between the two lenses in the focusing process is stable, and the focusing effect is good. And the optical path of the other lens cone assembly is not interfered, so that the focusing clearness of each lens cone assembly is ensured, and the overall performance of the handheld equipment is improved.

The utility model discloses a rubberizing mechanism and a rubberizing system, and relates to the field of production equipment. The rubberizing mechanism comprises a supporting piece, a rotating part, a rotating driving piece and a rubberizing piece. A track groove is formed in the supporting piece, the track groove is an annular groove formed around the center point, the track groove comprises at least one proximal section and at least one telecentric section, and the distance between the proximal section and the center point is smaller than that between the telecentric section and the center point. The rotating part is rotatably arranged on the supporting piece, and the rotating part is arranged at the central point; the rotation driving piece is connected with the rotating part to drive the rotating part to rotate; the glue smearing piece is connected with the rotating part, the glue smearing piece can move in the radial direction relative to the rotating part, a follow-up part is arranged on the glue smearing piece, and the follow-up part is arranged in the track groove in a matched mode so that the glue smearing piece can synchronously rotate along with the rotating part and can move in the radial direction during rotation; and when the glue smearing piece rotates to the glue smearing position, the follow-up part is located in the telecentric section. According to the rubberizing mechanism, the radial movement of the rubberizing piece during rotation is realized, and the continuity and precision of rubberizing are effectively improved.

The application discloses a modular integrated primary-secondary fusion ring network box and relates to the technical field of smart grids. The modular integrated primary-secondary fusion ring network box comprises a main box body, an auxiliary mechanism, a U-shaped plate and a storage tank. A plurality of strip-shaped partitions are fixed in the storage tank, and the shape of the strip-shaped partitions is wavy. The same end surface of the strip-shaped partitions is in contact with the inner wall of the U-shaped plate. The shape of the inner wall bottom of the storage tank is matched with the shape of the strip-shaped partitions. The U-shaped plate is additionally arranged on the shell of the main box body. A plurality of phase change strips are arranged in the storage tank. The auxiliary mechanism is arranged. The phase change strips can absorb the heat transferred by the U-shaped plate and store the heat, so that the temperature peak value in the shell of the main box body is reduced, the heat in the main box body can be discharged in time by the ring network box standard cooling fan, and the service life of the power electronic components in the primary-secondary fusion ring network box is prolonged.

The utility model discloses a heat shrink tube drum -type baking machine, including conveying device, the conveying belt of conveying device adopts stainless steel mesh belt, the conveying support of conveying device is evenly arranged with a plurality of support idler along the conveying direction, the middle part of conveying support of conveying device is equipped with a plurality of first heating components, a plurality of first heating components are located the lower extreme of conveying belt, and a certain interval is left between first heating component and conveying belt, and the upper end of conveying support of conveying device is equipped with the drying cover, and the inner side wall of drying cover is equipped with second heating component. The utility model discloses simple structure reduces production cost.

The utility model belongs to cigarette machine design technical field discloses a bearing installation subassembly and packaging device thereof. Bearing installation subassembly includes mounting seat, first fixed part and second fixed part, and mounting seat is provided with the accommodation groove and two installation through -hole of accommodating bearing, and installation through -hole communicates with the accommodation groove, and two inner groove walls of accommodation groove are provided with annular protruding, and annular protruding surrounds installation through -hole, first fixed part and second fixed part can respectively be threaded in two installation through -holes, and first fixed part and / or second fixed part are threaded in the inner hole of bearing, and first fixed part and second fixed part can fix bearing and mounting seat, and the end of first fixed part and second fixed part away from each other can be flush with the outer surface of mounting seat, bearing installation subassembly provided by the utility model can reduce bearing installation difficulty, improve bearing installation efficiency. Packaging device includes first paper guide wheel subassembly, mounting bracket and bearing installation subassembly, and packaging device can improve packaging efficiency.

The utility model discloses a fan -shaped shell grab bucket belongs to the technical field of grab bucket, including stand and two grab bucket bodies, and the upper end surface of each grab bucket body is fixedly arranged with the hinged rod, and the top of each hinged rod is rotatably connected with the stand, and the outer surface of stand is hinged to two hydraulic telescopic rods, and the output of each hydraulic telescopic rod is hinged to corresponding grab bucket body, the top of each hinged rod is fixedly arranged with the gear, when using, when two grab bucket bodies drive two hinged rods synchronous rotation, two hinged rods synchronous rotation drive two gears rotate, because two gears interlock, when because two hydraulic telescopic rods exist action difference and lead to two grab bucket bodies rotate out -of -step situation appears, two gears can guarantee two hinged rods synchronous rotation, and then guarantee the synchronous rotation of grab bucket body, avoid two grab bucket bodies to have the phenomenon of throwing material behavior when the material of grabbing hoisting.

The application belongs to the technical field of paint production equipment, and discloses a mixing mechanism for producing paint, a rack, a storage cylinder, a mixing box and a material control assembly. The rack has an installation space inside, the storage cylinder is arranged in the installation space, and the inside of the storage cylinder has a plurality of storage cavities along the circumference thereof. The mixing box is arranged in the installation space and located at the bottom of the storage cylinder. The material control assembly comprises a material control plate located at the bottom of the storage cylinder and a driving member arranged on the rack. The material control plate has a material dropping opening, the material dropping opening is provided with a material guide pipe in communication with the feed port of the mixing box, and the driving member is connected to the material control plate and used for driving the material control plate to rotate, so that the material dropping opening is in communication with different storage cavities, thereby realizing storage of a plurality of raw materials on one hand, reducing the area occupied by the plurality of storage cavities on the other hand, reducing the required floor area of the mixing mechanism, and improving the space utilization of the factory area.

The utility model relates to the technical field of medical equipment, in particular to a protective sleeve for the tip of an endoscope. Comprising a protective sleeve body, the body is integrally formed by a first sleeve and a second sleeve, an abutting circular truncated cone is arranged in the first sleeve and used for abutting against a hard portion of the tip of an endoscope, and open grooves are formed in the two sides of the end and used for discharging residual water. A fixing part is arranged at one end of the second sleeve and comprises an endoscope insertion opening and a tightening assembly, the insertion opening is made of silica gel, has elasticity and can be matched with endoscope tip parts with different diameters, the tightening assembly comprises a fixing connector, a tightening belt and an upper cover, the tightening belt is guided through an I-shaped through hole, and the upper cover is hinged to the fixing connector and connected with the fixing connector through a buckle. The protective sleeve can prevent the endoscope from being damaged in the transportation and storage process, is easy to clean and disinfect, has no disinfection dead angle, allows residual water in the endoscope to be smoothly discharged through the open groove, avoids corrosion or bacterium breeding caused by water retention, and saves maintenance cost.

The utility model discloses a drying equipment for PVC glove production and processing relates to PVC glove production and processing technical field, including support, the top of support is fixed with drying tank, the top of drying tank is hinged and is installed with the tank cover, one side of tank cover is fixed with pressure -relief valve, the front of drying tank is fixed with controller, the bottom of drying tank is fixed with electric push rod. The utility model discloses through electric push rod can promote the baffle upwards, make its baffle can be on vertical rod and limit sliding, to push out drying tank in fixed plate and hand mould with convenient, staff directly sets up on hand mould with glove, need not to reach hand and enter drying tank and set glove, through electric push rod can drive fixed plate and the hand mould after setting glove and descend reset, convenient for glove drying, through the transmission link of rotation can drive fixed plate and hand mould rotation, and then can ensure that glove rotates in drying tank, make it can ensure that the drying effect of glove improves, make it dry even.

The utility model provides a rear wheel steering gear and a vehicle. The rear wheel steering gear comprises a driving device, a nut, a lead screw, a displacement sensor, an induction piece and a shaft sleeve. A shell of the rear wheel steering gear is used for containing a nut and a lead screw, the lead screw is assembled in the nut, a driving device is used for driving the nut to rotate, the nut drives the lead screw to generate displacement in the axial direction of the lead screw, and the lead screw is used for driving wheels of a vehicle to deflect. The shell is used for containing the induction piece, the induction piece is fixed to the lead screw through a screw, the displacement sensor is fixed to the upper portion of the induction piece in the radial direction of the lead screw, and the displacement sensor is used for detecting the displacement amount of the lead screw through the induction piece. A shaft sleeve is arranged between the lead screw and the shell in the radial direction of the lead screw and comprises a limiting structure, and the limiting structure is used for limiting the lead screw to rotate when the lead screw moves in the axial direction of the lead screw and driving the induction piece to rotate. According to the rear wheel steering gear, the shaft sleeve with the limiting structure is used for limiting rotation of the lead screw relative to the rear wheel steering gear shell, internal interference is avoided, and noise is reduced.

The utility model discloses a reducer with the function of swing of output shaft, including output shaft, swing guide piece, swing block, first drive motor, box, vertical shaft, second drive motor, planetary gear, planetary gear axle, upper internal gear disc, lower internal gear disc, worm and gear drive group, bevel gear set and gear drive group, the output of first drive motor is connected with vertical shaft lower part through worm and gear drive group and bevel gear set, and the upper portion of vertical shaft is connected with one end of output shaft through bevel gear set, and output shaft rotatory installation is in swing block, and swing block sliding installation is on swing guide piece, the both sides of swing block rotatory installation has planetary gear axle, and the upper end of planetary gear axle is connected with planetary gear respectively, and the planetary gear of two planetary gear axle upper ends is engaged with upper internal gear disc and is connected with the output of second drive motor through gear drive group, and the planetary gear of two planetary gear axle lower ends is engaged with lower internal gear disc. Output shaft has the dual function of rotation and swing, and improves the steering flexibility.

The utility model discloses a kind of vanes of diffuser, including fixed body and rotating body, rotating body can rotate relative to fixed body;Rotating body includes carbon fiber plate body and mounting seat, mounting seat is provided with mounting site on carbon fiber plate body, stud is embedded in carbon fiber plate body, the top of stud is exposed to mounting site, mounting seat is provided with the avoiding hole for stud, the bottom of mounting seat is glued on mounting site through stud, nut is connected on stud for mounting seat is tightly pressed towards mounting site;Fixed body includes metal strip and rubber piece, at least two installation holes connected with diffuser are set in metal strip, rubber piece is NBR material, rubber piece covers metal strip and part carbon fiber plate body, installation hole exposes outside rubber piece, rubber piece provides deformation part when carbon fiber plate body rotates.Double fixed mode improves the connecting strength between mounting seat and carbon fiber plate body, the setting of metal strip improves the structural strength of the connecting portion of rubber piece and diffuser.

The present application relates to the technical field of excavator control, and provides a rotation protection method and system for a closed rotation system of an excavator. The method comprises: during rotation of the excavator, selecting a corresponding control scheme according to an IMU fault type; if there is an IMU data abnormality fault, selecting a double-IMU differential comparison scheme; wherein the double-IMU differential comparison scheme comprises: obtaining data collected by an IMU on a vehicle body to obtain a first angular velocity of a rotation plane; obtaining data collected by an IMU on a boom to obtain a second angular velocity of the rotation plane; performing differential processing on the first angular velocity and the second angular velocity by using a controller to obtain a differential value; and determining whether the differential value exceeds a set threshold range, if yes, prohibiting the rotation from continuing to act, and if not, continuing to act.

The utility model discloses an intelligent forklift robot for stacking, and relates to the technical field of storage robots, the intelligent forklift robot for stacking comprises a forklift moving part and a forklift lifting part, and a transverse regulator and a steering gear connecting support are movably connected between the forklift moving part and the forklift lifting part; the steering gear connecting support is provided with a steering connecting frame fixedly connected with a forklift lifting part, the steering connecting frame is arranged in a triangular shape, and the end, close to the transverse adjuster, of the steering connecting frame is arranged in a semicircular shape. In addition, fixed gear rings are arranged at the semicircular end part of the steering connecting frame in an annular array manner; according to the forklift robot, through transmission fit between the fixed gear ring and the driving gear, the steering connecting frame drives the fixed portal frame to steer, then the pallet fork moves transversely, cargoes on the side face can be forked at the position where the forklift robot is inconvenient to turn around, and the application occasions of the forklift robot are increased.

The utility model relates to the technical field of reaction kettles, and discloses a reflux device of a synthetic reaction kettle, which comprises a base, the upper surface of the base is fixedly connected with a reaction kettle, the upper surface of the reaction kettle is fixedly connected with a support frame, the lower surface of the reaction kettle is fixedly connected with a discharge pipe, and the outer surface of the discharge pipe is fixedly connected with a reflux box. A temporary storage box is fixedly connected to the upper surface of the backflow box, and a control box is fixedly connected to one side face of the temporary storage box. Compared with the prior art, the feeding device has the following advantages and effects that the backflow box, the feeding box and the feeding pipe are arranged, the device is controlled by the control box to work during working, residual materials in the reaction kettle can be collected into the temporary storage box through the backflow box, and then the materials are conveyed into the feeding box through the secondary backflow pipe; materials can be fed into the reaction kettle again for reaction through the feeding pipe by virtue of the feeding pump in the feeding box, so that the reflux setting of the synthetic reaction kettle is completed.

The utility model discloses a drying device for harvesting rice seeds, which comprises a drying mechanism comprising a drying cylinder and a shoveling plate fixed on the inner wall of the drying cylinder, the two ends of the drying cylinder are respectively connected with a first supporting seat and a second supporting seat through a connecting cylinder, and one side of the first supporting seat is connected with an air blower and heating equipment through an air duct. The motor drives the gear ring through the driving gear to enable the drying cylinder to rotate, the rotating rings which are arranged at the two ends of the drying cylinder and connected through the thrust wheels can play a limiting role, the drying cylinder is kept to rotate at the correct position, and then seeds are made to roll, dry and rotate in the drying cylinder. Compared with the prior art, the device has the advantages that the seeds are prevented from being burnt due to long-time contact with a heat source, the drying efficiency is greatly improved, and therefore the device effectively reduces the requirement for manual intervention, saves labor force, reduces the operation difficulty, reduces seed damage possibly caused by manual turning, and improves the overall quality of the seeds.

The utility model discloses a plastic package direct current motor with dustproof structure, including stator and the plastic package spare of cladding in the outside of stator, install rotor in the plastic package spare, the front end cover is fixed in the middle part of the front end of plastic package spare, and the front end cover and plastic package spare are directly fixed together when injection moulding directly, and the front part of the rotating shaft of rotor projects the middle part through -hole of front end cover, it realizes the sealing of front part through the elastic rubber sealing block at the front end cover, realizes rear sealing also through rear end cover to guarantee the normal rotation of rotor, guarantees the service life of whole motor.