11results about How to "Reduce runout" patented technology

The invention relates to the technical field of part machining, and discloses a multi-station anti-vibration cutter stabilizing mechanism for carbon fiber part machining, which comprises a cutter chuck arranged on machining equipment; the milling cutter is used for machining parts; and the clamping mechanism is arranged on the cutter chuck and used for stably clamping the milling cutter, the clamping mechanism comprises a hollow sleeving ring, and the hollow sleeving ring axially moves after rotating. According to the multi-station anti-vibration cutter stabilizing mechanism for machining the carbon fiber parts, the positioning mechanism is arranged, and an axial hard positioning structure capable of being locked is arranged at the end of a milling cutter, so that end mechanical jacking and position locking are synchronously achieved after radial clamping of the cutter is completed, and the overall axial supporting rigidity of the cutter is remarkably improved; axial micro-motion and chatter caused by axial cutting force change and multi-station frequent reversing in the carbon fiber machining process are effectively restrained, and the quality defects such as layering and chatter marks on the machined surface are avoided.

The utility model relates to a motor capable of improving axial support and a wet mill, which comprise a casing, a stator fixed on the casing, a rotor which is rotatably accommodated at the inner side of the stator and is provided with a rotating shaft, and a first end cover and a second end cover which are arranged at the two axial sides of the casing, and are respectively provided with a first cavity and a second cavity, the device is characterized in that a first self-aligning roller bearing for supporting the rotating shaft is arranged in the first cavity, and a thrust bearing for supporting the rotating shaft, a spacer bush and a second self-aligning roller bearing are sequentially arranged in the second cavity from bottom to top along the axis. According to the motor capable of improving the axial bearing, the supporting structures on the two axial sides of the motor are improved, so that the motor can conveniently transmit the borne axial load to the second end cover, meanwhile, the rotating shaft of the motor can be self-adaptively aligned through the self-aligning roller bearings on the two axial sides, the radial run-out of the rotating shaft during rotation is reduced, and the service life of the motor is prolonged. And the axial load capacity of the motor is improved while the smooth rotation of the motor is ensured.

The invention provides a polishing device special for a deep hole runner of a pump body, and relates to the technical field of polishing equipment, the polishing device comprises a polishing part and a flexible shaft, the polishing part comprises a center disc and a plurality of supporting rods, and supporting rollers and polishing rollers are arranged on the two sides of the ends of the supporting rods correspondingly; when the supporting roller and the polishing roller are located in the pump body flow channel, the supporting roller makes contact with the polished part of the pump body flow channel, the area where the supporting roller is located serves as the polishing standard, the polishing roller makes contact with the unpolished part of the pump body flow channel, and when the polishing roller makes contact with local protrusions, the trend of radial displacement is generated. The first included angle is equal to the second included angle, and the supporting roller enables the grinding roller to keep the swing direction synchronous with the grinding reference so as to forcibly restrain radial displacement of the grinding roller, so that the grinding roller can apply continuous and stable active correction force to local protrusions, and the capacity of the grinding roller for effectively correcting the shape precision of the pump body flow channel is guaranteed; therefore, the grinding rigidity is ensured while the method adapts to complex runners.

The application discloses a high-precision shaft pneumatic tool. The tool comprises a cylinder, a bottom plate, a base, a plurality of elastic clamps, a pressing plate, a pull core, a guide column, a guide sleeve and a plurality of axial positioning columns. The base is provided with a plurality of clamp mounting holes corresponding to the elastic clamps, and the pressing plate is provided with a pressing hole matched with the upper end of the elastic clamp. The cylinder drives the pressing plate to make axial reciprocating motion relative to the base through the pull core. The guide column and the guide sleeve limit the movement of the pressing plate along the axial direction. The axial positioning columns installed on the bottom plate are coaxially arranged with the elastic clamps. The air pressure regulating valve is arranged on the inlet circuit of the cylinder. When the pressing plate is moved towards the base by the pull core, the elastic clamp is radially contracted and self-centered to clamp the workpiece. Conversely, the elastic clamp is opened by its own elasticity to release the workpiece. The application can effectively reduce the clamping deformation and surface damage of small shaft parts, improve the radial run-out control ability, the repeat positioning accuracy, the multi-station machining consistency and the change efficiency.

The utility model relates to adjustable speed filter automatic can sealing machine, including frame, the carousel of strip -shaped mouth of taking material of arc and the feed guide mechanism of arranging along carousel circumference, pre -press mechanism, edge sealing device (include press jar mechanism and sealing mechanism), discharge device etc. Sealing mechanism passes through double servo motor independent drive first / second transmission, and the speed difference of adjusting adapts different edge sealing demand, feed guide mechanism passes through adjustable connection mounting seat and integration detection element of strip -shaped hole, and pre -press / press jar mechanism fixes filter respectively through pre -press disc, press jar disc, and edge sealing subassembly is driven by cam (tension spring keeps contact), and discharge device takes the protection piece and prevents injury, and the material component (jacks, top material disc) auxiliary ejection. The equipment realizes efficient, stable, automatic can sealing operation, and promotes adaptability and product yield.

The utility model discloses a rotary sealing joint, which relates to the technical field of sealing elements and comprises an end connecting sleeve, the lower end of the end connecting sleeve is fixedly connected with a positioning plate through a screw, the upper end of the positioning plate is fixedly connected with a first bearing, and the upper end of the first bearing is fixedly connected with a bearing gasket. By means of the interference design that the upper bearing and the lower bearing are matched with the stepped installation groove, radial run-out of the rotating shaft during rotation can be effectively reduced, an elastic sealing structure is formed by the inclined spring and the framework, dynamic pre-tightening force is provided through the inclined spring, the framework sealing ring is made to adapt to deviation of the rotating shaft in a self-adaptive mode, and the rotating shaft is prevented from being damaged. Stable sealing can be kept in the reciprocating rotation of the rotating shaft, the adaptability of the rotary sealing joint to a high-dynamic load scene is improved, meanwhile, bearing lubricating grease can be effectively prevented from permeating into a fluid channel through a gap, and the requirement for pollution-free transmission of clean environments such as medical treatment and food can be met.

The invention discloses a rotor assembly, an electric drive assembly and a rotational inertia control method thereof, and relates to the technical field of motors. The invention aims to solve the problems of large radial run-out and poor NVH (Noise Vibration and Harshness) performance caused by insufficient rotational inertia of a rotor in the prior art. The invention provides a rotor assembly. The rotor assembly comprises a rotating shaft and a rotor core body fixed on the rotating shaft, the rotor assembly is characterized in that the rotor assembly further comprises an inertia increasing part, and the inertia increasing part is fixedly arranged on the rotating shaft and extends in the radial direction of the rotating shaft. The inertia increasing part is additionally arranged on the rotating shaft, so that the rotational inertia of the rotor assembly can be effectively and controllably improved, the radial run-out of the rotor in the working process is inhibited, the NVH performance of the electric drive assembly is remarkably optimized, and the operation reliability is improved.

A shaft conveying and clamping fixture, relating to the field of shaft machining, includes: a mounting base, a centering mechanism, a clamping mechanism, and a pushing mechanism. A clamp is provided at one end of the mounting base along its length to clamp the shaft. The centering mechanism includes a movable plate and a support cylinder respectively located at both ends of the mounting base along its length and moving along the axis of the clamp, with the support cylinder and clamp located at the same end. A first ejector pin, coaxially arranged with the clamp and detachable, is provided below the movable plate. A second ejector pin, moving relative to the support cylinder along its axis and coaxially arranged with the clamp, passes through the support cylinder for centering both ends of the shaft. The clamping mechanism is located below the movable plate and includes multiple support rings spaced apart along its length and with notches at the top. Multiple pressure rollers, equally spaced and rotating around their own axes, are provided on the inner side of the support rings along the circumferential direction. The axes of the pressure rollers are parallel to the axis of the clamp and are used to clamp the shaft. This fixture can simultaneously apply centering and limiting to both ends of the shaft, reducing radial runout and improving machining accuracy.

The utility model provides a deep hole groove processingequipment, solved the problem that the radial direction of the knife pole will appear the problem of jumping when deep hole groove processing. Further include: support block, set up in the end of the knife pole, the size of support block is matched with the hole size of work piece, no. The guide groove is set up in one side of support block or the knife pole, and the guide groove is parallel with the tool bit setting, no. The convex part is set up in one side of the knife pole or support block, is used for with no. The guide groove cooperates. The support block is put into the hole of work piece together with the knife pole, and the support block is the cylinder structure, and the work piece is convenient to rotate relative to the support block, and the gear group is installed in the knife pole, is used for driving the circumferential rotation of the tool bit, and no. The guide groove cooperates with no. The convex part is convenient for the knife pole to move relative to the support block, when carrying out the groove processing, since the support block is connected with the knife pole, and then the knife pole is positioned, can effectively reduce the radial jumping of the knife pole, improves the processing quality of deep hole groove.

This utility model discloses a forming device for producing bright decorative strips. It is characterized by comprising: a forming device, which includes a base, a connecting frame fixedly connected to the top of the base, and rollers rotatably connected to the front and rear ends of the connecting frame via rotating shafts. A lower forming pressure roller is horizontally arranged inside the connecting frame. This utility model, by setting up a forming device, a frame, and a spacing control mechanism, utilizes a motor to drive the positive and negative threaded rods to rotate, thereby driving the screw sleeve, positioning rod, transmission frame, and transmission plate to move and lift the upper forming pressure roller, thus automatically adjusting the spacing between the upper and lower forming pressure rollers. This structure eliminates the need for manual adjustment, is easy to operate, effectively improves adjustment efficiency and accuracy, ensures the consistency of the bright decorative strip forming dimensions, and has a stable and reliable overall transmission structure, adapting to the production needs of bright decorative strips of different specifications.

The application discloses a machining turnover table and belongs to the technical field of machining clamps. Mainly comprises: a support, a position adjusting assembly is installed on one side of the support, the position adjusting assembly comprises an adjusting box installed on one side of the support, a support plate capable of relative movement is installed on the adjusting box, limit grooves are arranged on the support plate, a turnover assembly is installed in the support plate, the turnover assembly comprises a turnover frame capable of rotating on the support plate, limit rings capable of rotating in the limit grooves are installed on the turnover frame, and a plurality of limit holes are arranged on the limit rings. The machining turnover table can enhance turnover stability and reduce radial runout through the rotation of the limit ring of the turnover assembly in the limit groove, and the locking of the turnover frame can be completed through the insertion of the limit pin driven by the small electric push rod in the positioning assembly into the limit hole, so that the machining precision is guaranteed.