31results about How to "Smooth operation at high speed" patented technology

The invention belongs to the technical field of an air-jet loom. In the existing air-jet loom, a device comprising a hollow shaft and an iron bracket is utilized as a beating-up shaft, so the beating-up mechanism is bad in rigidity, weak in beating-up strength, small in weaving range, large in noise and vibration when beating-up, and is not suitable for high-speed rotation. The solid beating-up device provided by the invention comprises an aluminum bracket, a solid beating-up shaft and a counter weight, wherein the aluminum bracket is mounted in two holes which are mutually vertical on the beating-up shaft, and is fixed by bolts; the counter weight is mounted at the eccentric opposite direction of the aluminum bracket and fixed on the beating-up shaft by a bolt. By using the device provided by the invention, the rigidity of the beating-up mechanism is increased and the beating-up strength is improved; the device is suitable for knitting fabrics with high intensity and large thickness, so the knitting range is correspondingly expanded; the noise when beating-up is greatly reduced; the balanced beating-up mechanism can work stably when rotating at a high speed and the ground vibration is reduced by more than 35%.

The invention discloses a full-servo control high-speed multifunctional dry type coating compound machine. The compound machine comprises disc gear shaftless charging winding and unwinding equipment for winding a coating base material, a movable semi-flexographic plate coating device for coating glue on the surface of the coating base material, a drying system for drying the base material coated with the glue by the movable semi-flexographic plate coating device, and a composite cooling unit which is used for laminating and bonding the coated base material coated with the glue and dried with other base materials; the disc gear shaftless charging winding and unwinding equipment comprises three groups of high-speed disc gear shaftless charging winding and unwinding devices; a first disc unwinding device works to release a first coating base material wound on the first disc unwinding device, and one side of the released first coating base material is coated with glue through a movable semi-flexographic plate coating device; and after being coated with glue, the base material is fed into the drying system for drying treatment and is simultaneously fed to the composite cooling unit together with a second coating base material wound on the second disc unwinding device, and the two base materials are laminated by the composite cooling unit.

The invention discloses a three-phase-shielded permanent magnet synchronous motor which comprises a back end cap, a stator, a permanent magnet rotor, a front end cap, a protective cover, a terminal block, an encoder and a conductive sealing material. According to the three-phase-shielded permanent magnet synchronous motor, electromagnetic waves which are generated by the motor can be totally shielded in the motor so that leakage of the electromagnetic wave to outside of the motor is prevented, thereby preventing electromagnetic interference to other systems.

The invention discloses a high-precision numerical-control centerless machine tool spindle. The high-precision numerical-control centerless machine tool spindle comprises a spindle engine body, a central spindle, a bearing component, a right end cover and a driving wheel, wherein one end of the spindle engine body is fixed on a machine tool through a fixing part, and the other end of the spindle engine body is locked on the machine tool through a spindle locking block; the bearing component is sleeved on the central spindle, and the spindle engine body is sleeved on the bearing component; the bearing component comprises a first bearing pack, a bearing distance sleeve and a second bearing pack which are sleeved on the central spindle in sequence and in parallel; a first step and a bearing locking block propped against the bearing component are respectively arranged at two ends of the bearing component; the right end cover is sleeved on the central spindle and fixed on the right end face of the spindle engine body; a stop block propped against the first bearing pack is arranged on the right end cover; a convex wall is arranged on the inner wall of the spindle engine body, the right end of the convex wall is propped against the left end face of the first bearing pack, and the left end of the convex wall is in clearance fit with the right end face of the second bearing pack. The high-precision numerical-control centerless machine tool spindle disclosed by the invention has the characteristics of high precision, stable high-speed operation, and long service life.

A slotted eccentrical circular cam type drive mechanism features that an eccentrical wheel installed to central axle has an eccentrical ring slot on its circumferential surface, the longitudinally reciprocating drive rods are respectively installed in their guide tubes, and the sleeved end of said drive rod is arranged vertically in said ring slot on eccentrical cam. Its advantages are simple structure, and high stability and reliability.

The invention discloses a high-consistency in-mold injection molding precision structural part, and relates to the technical field of in-mold injection molding precision structural parts. The high-consistency in-mold injection molding precision structural part comprises a machine box, a product falling table is arranged in the machine box, a rectangular table is fixedly connected to the upper surface of the bottom in the machine box, a product placing table is fixedly connected to the right face in the machine box, and a printing device is arranged in the machine box. According to the high-consistency in-mold injection molding precision structural part, a third cylindrical connecting rod is driven to rotate through rotation of a fourth bevel gear, a fifth bevel gear is driven to rotate through rotation of the third cylindrical connecting rod, two sixth bevel gears are driven to rotate through rotation of the fifth bevel gear, a seventh bevel gear is driven to rotate through rotation ofthe sixth bevel gear at the lower end, a fourth cylindrical connecting rod is driven to rotate through rotation of the seventh bevel gear, and through multiple linkage structures, one motor can driveother structures to operate during operation, so that the linkage among the devices is greatly improved.

The invention relates to a nickel sulfate evaporative crystallization process which comprises the following steps: S1, fresh steam supplies heat to a heat exchanger group, a first evaporation and concentration device and a second evaporation and concentration device; S2, a material enters the heat exchanger group to be pre-heated, then enters the first evaporation and concentration deice after being preheated, and when the material reaches an expected concentration in a gas-liquid separator, the material enters the second evaporation and concentration device to be further evaporated and concentrated; and S3, the material meeting the expected concentration value in the second evaporation and concentration device is discharged from a discharge port and enters a cooling kettle to be cooled, then enters a centrifugal machine to be separated and crystallized, and finally, a product is discharged from the centrifugal machine, and the separated mother liquor is stored in a mother liquor tank. The nickel sulfate evaporative crystallization process provided by the invention is stable and reliable, energy-saving and emission-reducing, small in occupied area and low in cost.

The invention discloses full-automatic vertical type combining and conveying equipment for plates, bowls and cups and an application method of full-automatic vertical type combining and conveying equipment. The full-automatic vertical type combining and conveying equipment comprises a plurality of conveying lines for conveying the plates, the bowls and the cups, wherein the conveying lines are combined into one conveying line at the tail end of one of the conveying lines. The full-automatic vertical type combining and conveying equipment has the advantages that the defect that bone plates, soup bowls, rice bowls, tea cups, water cups, spoons and dip bowls are combined by manually-operated combining and packaging equipment in the prior art is overcome, and the advanced and efficient production line combining and conveying equipment can integrally combine the bone plates, soup bowls, rice bowls, tea cups, water cups, spoons and dip bowls on the same operation platform during high-speed conveying.

A bearing cage and a bearing are provided. The invention relates to the technical field of bearing, by designing a bearing cage with a conical arc structure at the bottom between pockets and a groovestructure at the bottom, the technical problem of reducing the service life of the bearing due to factors such as instability of the cage during high-speed operation, uneven distribution of internal lubricating grease, instability of the pocket shape and the like existing in the prior art is solved. The bearing cage includes a cage body provided with a plurality of pocket holes and a groove structure at the bottom of the cage; the bottom between adjacent pockets is provided with a conical arc structure. The bearing cage is used for the bearing, can keep the stable running of the bearing cage.The grease is distributed uniformly, the wall thickness between the arc surface at the bottom of the outer diameter and the inner surface of the pocket is consistent (close) with the wall thickness between the arc surface at the bottom of the cage and the inner surface of the pocket, so that the expansion amounts of the two materials are consistent (close) to ensure the shape of the pocket to be stable, so that the steel ball is guided normally and the service life of the bearing is prolonged.

The invention relates to the field of household appliances, and specifically relates to a low-noise switched reluctance motor. The motor comprises an end cover as well as a stator and a rotor arranged in the end cover; a rotating shaft connected with the end cover via a bearing penetrates through the rotor, and one end of the rotating shaft stretches out of the end cover to form an output shaft; the rotor comprises a rotor body and a plurality of teeth surrounding the rotor body, an anti-vibration de-noising block is filled between the adjacent teeth, the anti-vibration de-noising blocks are fixedly connected via connectors on two end faces of the rotor, and reinforcing engagement structures are arranged between the rotor and the anti-vibration de-noising blocks. The whole rotor forms a complete cylinder via the anti-vibration de-noising blocks, connecting discs and the like, and gaps between the teeth are filled, so that the dynamic balance of the rotor is improved and then vibration and noise of the motor are reduced. Meanwhile, the rotating inertia of the rotor is increased, the wind resistance is reduced, the noise of air power is reduced and vibration and noise of the motor are greatly reduced.

The invention discloses a drawing device of seamer to rotate seamer at high speed stably, which is characterized by the following: setting two pieces of first thrust plate (56a, 56b) of phosphor bronze in the drawing device (100) of gap part (54) and clutch cylinder (53a, 53b) with one-way transcendental clutch as well as opposite end surface of clutch cylinder (53a) and gap part (54) separately;placing a piece of second thrust plate (57) of steel material between two pieces of first thrust plate; chucking each first thrust plate to the opposite end surface of clutch cylinder (53a) and gap part to rotate along axis direction integrally; forming oil-supplying path (55) on the clutch cylinder (53a) and through-hole on each first and second thrust plates; setting guiding grooves (A, B, C) to guide lubricating grease on the end surface of second thrust plate.

The invention discloses a BT knife handle high-speed cutting mechanism and a use method and belongs to the technical field of numerically-controlled machine tool cutting machining. The BT knife handle high-speed cutting mechanism comprises a BT knife handle, a main shaft, a knife pulling mechanism, a pop-rivet and a cushion cover, wherein the end face of the non tool installation end of the BT knife handle is a knife handle rear end face, a circular cone frustum is arranged on the center position of the knife handle rear end face, the pop-rivet is installed on the center position of the end face of the circular cone frustum, the main shaft is a hollow shaft, the end face of the end, close to the rear end face of the knife handle, of the main shaft is a main shaft front end face, a taper hole is formed in the center portion of the main shaft front end face, the shape of the taper hole is matched with that of the circular cone frustum, the circular cone frustum is installed in the taper hole, the cushion cover is arranged between the knife handle rear end face and the main shaft front end face, the knife pulling mechanism is installed in a main shaft center cavity, and the knife pulling mechanism is connected with the pop-rivet in a clamped mode. By means of the BT knife handle high-speed cutting mechanism and the use method, the high-speed cutting of the BT knife handle is achieved, the contact rigidity and the repeated positioning accuracy of the BT knife handle are high, the high-speed cutting machining precision and the efficiency are high, the service lives of a tool and a machine tool are prolonged, and the BT knife handle can replace an HSK knife handle to be used.

The invention discloses a high-speed high-power density AC servo motor, which belongs to the technical field of motors. The high-speed high-power density AC servo motor comprises a stator part and a rotor part, wherein the stator part comprises a frame, a stator iron core, stator windings, end covers and bearings; the rotor part comprises a rotation shaft, rotor magnetizers, permanent magnets and a stainless steel band; two ends of the frame are provided with the front end cover and the rear end cover; the frame is internally provided with the rotation shaft, the stator iron core, the stator windings and the rotor part; the rotor magnetizers sleeve the rotation shaft, the tile-shaped permanent magnets are adhesive to the outer surface, and an air gap magnetic field is generated; cast aluminum alloy is adopted to cast the frame, the front end cover and the rear end cover, and thermal processing is carried out; silicon steel sheets are adopted to process the stator iron core, and the oxide layer on the surface of the silicon steel sheet serves as inter-sheet insulation; the inner circle of the iron core ring is uniformly provided with grooves parallel with the axis, the stator windings are embedded in the grooves, and each stator winding adopts a high temperature-resisting copper wire; the rotor part is assembled; and the stator part and the rotor part are combined together. The rotation speed of the motor is high, the power density is large, and the operation is steady.

The invention provides a wire discharging machine. The wire discharging machine comprises a box body and a wire discharging head, wherein the wire discharging head comprises a main shaft, and the main shaft is mounted in a bore hole of the box body through a main bearing. The wire discharging machine further comprises an elastic mounting member, wherein the elastic mounting member is arranged on the box body, supports the main bearing and is used for enabling the main bearing to drive the main shaft to achieve the movement of a predetermined range in the bore hole along a predetermined direction. The elastic mounting member can offset vibration generated during the operation of the main bearing; a load caused by the high-frequency vibration and shock of the main bearing is reduced, the service life of the main bearing and the service life of the wire discharging head are prolonged, the operating efficiency of the wire discharging head is increased, and the production and repair costs are reduced. According to the embodiments of the invention, a flexible support is increased by the main bearing, and the high-speed operation is more stable, so that the wire discharging speed of the wire discharging machine can be increased, and then, the yield of a high-speed wire production line is increased.