4results about How to "Guaranteed beat" patented technology

The application relates to a quartz lower DOME product processing jig which comprises three graphite jigs, the lower part of the side of each graphite jig is formed with a spherical surface groove, the middle part is formed with an arc surface groove, and the top part is formed with a flange groove; the arc surface groove is connected with the spherical surface groove; the spherical surface grooves of the three graphite jigs enclose a ball head space for accommodating a ball head; the arc surface grooves of the three graphite jigs enclose a pipe body space for accommodating a pipe body; and the flange grooves of the three graphite jigs enclose a flange space for accommodating a flange; the ball head space, the pipe body space and the flange space are coaxially distributed. The processing jig provided by the application encloses the coaxially distributed ball head space, the pipe body space and the flange space by the three graphite jigs, is used for sequentially attaching the ball head, the pipe body and the flange, and can jointly guarantee the coaxiality of the flange, the pipe body and the ball head and the runout of the ball head; meanwhile, the three graphite jigs are designed by using the self-centering principle of three-jaw chucks, and do not need to fix and adjust parts for many times.

The invention relates to the field of battery assembly production, and discloses an adhesive tape feeding device and a long adhesive tape laying machine. The adhesive tape feeding device comprises an unwinding unit, a switching unit and at least two conveying units. Material rolls for providing rubber strips are placed on the unwinding unit, the rubber strips on the material rolls penetrate through the corresponding conveying units to wait for feeding, and the switching unit is used for driving one of the conveying units to start or stop providing the rubber strips. Due to the fact that the switching unit drives one conveying unit to start or stop providing the adhesive tape, and the number of the conveying units is at least two, when one conveying unit is lack of materials, the switching unit can drive the other conveying units to provide the adhesive tape, continuous feeding of the adhesive tape can be guaranteed, and then the production efficiency is improved.

The application discloses a large-chord-width long-cantilever fan blade tip high-precision processing method, which comprises the following steps: firstly, using a three-coordinate to measure the size of a first-stage fan rotor and a second-stage fan rotor, including an axial length, a blade tip diameter and a blade tip angle; then, sequentially assembling the second-stage fan rotor and the first-stage fan rotor to a process shaft provided with a supporting plate and fastening through bolt connection; then, installing the process shaft provided with the second-stage fan rotor and the first-stage fan rotor to a chuck of a grinding machine; setting blade tip processing basic parameters of the first-stage fan rotor and the second-stage fan rotor and blade tip processing parameters of the first-stage fan rotor and the second-stage fan rotor; and finally, starting to grind the blade tip. The application controls the grinding quality from aspects of process control, grinding scheme and processing parameters during grinding, solves the problems of unqualified diameter, run-out and roughness in traditional blade tip processing and vibration and knife biting during processing, has high processing efficiency and meets the processing quality requirement.

The invention discloses minimally invasive bone taking equipment, and relates to the technical field of medical instruments, the minimally invasive bone taking equipment comprises a cutting tool, the cutting tool comprises a tubular tool body, the cutting end of the tool body is provided with a cutting edge, the cutting edge comprises a first cutting edge and a second cutting edge, the first cutting edge is zigzag, and the second cutting edge is zigzag; the orientation of the first cutting edge is parallel to the axial direction of the cutter body; the other end of the cutter body is a second end, and the second cutting edge inclines towards the inner side of the cutter body; the second end of the rotary collecting bin is connected with one end of the rotary collecting bin, and bone tissue obtained through cutting of the cutting tool can move into the rotary collecting bin through the interior of the tool body; and the power part is used for driving the rotary collecting bin and the cutting tool to rotate around the axis of the tool body. The strip-shaped bone blocks are obtained through the design of the second cutting edge on the cutting tool, the power component drives the cutting tool and the rotary collecting bin to rotate, and the purpose of obtaining the complete strip-shaped bone blocks in the minimally invasive autogenous bone transplantation surgery is achieved.