12 results about "Titanium ring" patented technology

The invention provides a titanium ring surface treatment device which comprises a base table, a rotating chuck and a polishing assembly are arranged at the upper end of the base table, the rotating chuck comprises a circular truncated cone base, a disc is arranged at the top of the circular truncated cone base, four straight grooves extending in the radius direction are formed in the circumferential direction of the disc, and a sliding block is arranged in each straight groove in a sliding mode; two clamping blocks are oppositely arranged on the upper side of each sliding block, the clamping block close to the center of the disc is used for clamping the inner wall of the titanium ring, the clamping block away from the center of the disc is used for clamping the outer wall of the titanium ring, and a square plate is coaxially arranged at the bottom of the disc; the outer wall of the titanium ring is clamped through the clamping blocks far away from the center of the disc, and the inner wall can be polished at the moment; through simple switching, the clamping blocks close to the center of the disc clamp the inner wall of the titanium ring, and then the outer wall of the titanium ring can be polished; the device is easy and convenient to operate, the conversion process is coherent and smooth, the clamp does not need to be adjusted or replaced again, and the polishing efficiency and the machining precision are greatly improved.

The invention provides an electrochemical filtering device suitable for an electroactive membrane. The device mainly comprises a conductive titanium plate, a conductive titanium ring, a cross flow path and a device body made of an acrylic material. The device is low in cost and simple and convenient to design, one part of inflow water can flow through the membrane surface through the cross-flow path, the other part of inflow water directly flows out through the membrane, and filtering is achieved. In the electrochemical filtering device, the electroactive membrane can transmit electricity through the conductive titanium ring to serve as an anode, the conductive titanium plate serves as a cathode, and antibiotics are efficiently removed after an electric field is formed in an aqueous solution.

The present application relates to the technical field of cathode roller titanium ring preparation, and discloses a preparation method of a welded and formed cathode roller titanium ring, comprising the following method steps: step one: opening a groove at both ends of a TA1 titanium plate raw material, and butt jointing through a four-roll plate rolling machine; step two: using plasma automatic welding to weld a longitudinal seam under high-purity argon protection; step three: placing the welded and formed titanium ring into an electric heat treatment furnace for high-temperature homogenization heat treatment; step four: using a ring rolling machine to roll and deform the titanium ring after heat treatment, with a deformation amount of greater than or equal to 40%; step five: correcting the shape of the titanium ring after rolling, and performing overall recrystallization annealing heat treatment; and step six: after annealing, using a numerical control vertical lathe to perform turning processing on the inner wall of the titanium ring, and waiting for subsequent hot charging processes to be used. Compared with the spinning forming process commonly used in China at present, the process flow of the present application is short, the production efficiency is high, the axial and radial directions of the semi-finished titanium ring are fixed through one driving source, the operation is simple, and the manufacturing cost is lower.

The utility model relates to the technical field of titanium lining flanges, in particular to a titanium lining flange structure which comprises a base body flange, a titanium lining cylinder, a titanium ring, a fixing mechanism and a sealing mechanism, the titanium ring is fixedly installed on the base body flange through the fixing mechanism, the titanium lining cylinder is fixedly installed on the titanium ring, the titanium lining cylinder is connected with the base body flange in an inserted mode, and the sealing mechanism is fixedly installed on the titanium ring. The sealing mechanism is used for sealing the titanium ring and the base body flange, the fixing mechanism comprises a fixing block and a bolt, the fixing block is fixedly installed on the titanium ring, a threaded hole is formed in the base body flange, the bolt is in threaded connection with the fixing block and the threaded hole, the fixing block and the bolt are fixed through plug welding, and a plug welding part is formed at the welding position. According to the titanium-lined flange structure, through the arranged fixing mechanism, the fixing block and the threaded hole are connected through the bolt, the titanium ring is fixed, the fixing block and the bolt are fixedly connected through titanium welding wire plug welding, the sealing face of the titanium ring is prevented from being damaged, and then the sealing effect of the titanium-lined flange is improved.

The invention discloses a welding tool for a cathode roller titanium ring and a using method thereof. The welding tool comprises a pull rod, a pressing plate and an ejector rod. Wherein one end of the pressing plate is fixed on the pull rod, and the other end of the pressing plate is a cantilever; and a seat plate for placing a heavy object and applying gravity is arranged at the end head of the cantilever end. An ejector rod is welded on the lower surface of the pressing plate, and an axial compression bolt mounting hole is formed in the end face of the lower end of the ejector rod. A plurality of positioning holes are evenly distributed in a rod body of the pull rod, and the center distance between every two adjacent positioning holes is 14 mm. Hooks are arranged at the lower ends of the pull rods. The titanium ring welding device is simple and reliable in structure, convenient to implement, good in universality and suitable for welding cathode rollers with different breadths and titanium rings with different sizes and specifications, the production requirements of the cathode rollers with various specifications are met, the work efficiency is improved, the labor intensity is reduced, and the labor cost is saved.

The utility model discloses a titanium alloy plastic connecting mechanism and a titanium alloy cup cover, the titanium alloy plastic connecting mechanism comprises an outer titanium cover, a rotation stopping ring is additionally arranged between the outer titanium cover and a plastic cover, the rotation stopping ring is tightly pressed in an annular groove of an outer ring of the plastic cover, an inner titanium ring is arranged between the rotation stopping ring and the outer titanium cover, and the inner titanium ring is tightly pressed in the annular groove of the outer ring of the plastic cover. The inner titanium ring is connected with the rotation stopping ring in a spot welding mode, and the outer titanium cover is installed on the inner titanium ring in an interference pressing mode. According to the titanium alloy connecting structure, the double-titanium-cover design is adopted, the rotation stopping ring is additionally arranged on the plastic cover, the technical problem that connection is not firm due to the fact that the temperature difference between the inner titanium ring and the outer titanium ring and the plastic cover is too large in the welding process can be effectively solved, and the quality of the titanium alloy cup cover can be effectively improved.

The invention discloses a titanium ring sealing detection system, and the system comprises the steps: firstly, positioning the relative positions of a first circular ring body, a second circular ring body and a cylinder through a supporting module, so as to facilitate the welding of the first circular ring body, the second circular ring body and the cylinder; then, whether leakage points exist among the first circular ring body, the second circular ring body and the cylinder or not is determined through a sealing inspection module; under the condition that leakage points exist, the positions of the leakage points between a linear welding seam formed by the cylinder and annular welding seams formed between the first circular ring body and the second circular ring body are determined through a titanium annular welding seam leakage point positioning module; then, the leakage point position at the screw welding position is determined through a screw welding line leakage point positioning module; omission points are checked through a reverse gas leakage checking module; thus, whether the titanium ring has the leakage point or not is judged through the titanium ring sealing detection system, the specific position of the leakage point is determined, the sealing performance of the titanium ring is improved, and potential safety hazards of the cooling water system plate exchanger in the operation process are reduced.

This invention provides a system and method for operating it that effectively restarts a cryogenic melting furnace that has stopped due to circumstances such as a power outage at a vitrification facility for processing radioactive waste. [Solution] The method of operating the remote restart system for vitrification equipment includes the stage in which the vitrification equipment is in operation and the stage in which a power loss occurs to the vitrification equipment, the power loss occurring during or before the operation of the vitrification equipment, and the remote restart system assists in restarting the vitrification equipment when a power loss occurs to the vitrification equipment, the remote restart system includes a low-temperature melting furnace, glass frit provided inside the low-temperature melting furnace, a titanium ring for heating the glass frit inside the low-temperature melting furnace, and a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition of the glass frit.

The invention belongs to the technical field of medical instruments, and discloses a knotting-free joint capsule injury suture repair method and device which comprises a suture lock catch, a nickel-titanium ring assembly and a suture tightener. The suture lock catch is composed of a suture, the two ends of the suture are an end A and an end B respectively, the end B of the suture is a free end, a prefabricated suture ring is formed in the middle of the suture, the prefabricated suture ring is formed in the mode that the end A of the suture is wound and then penetrates out of one side of the midpoint of the suture in a nested mode, and the nesting and penetrating-out portion of the end A of the suture is a preset nest. The nesting locking structure formed by the unique suture lock catch and the nickel-titanium ring assembly avoids knotting operation in a traditional operation, solves the problem of foreign body sensation of an articular cavity caused by suture knot stacking, facilitates postoperative recovery of a patient, keeps the original strength of the suture to the maximum extent due to the fact that knotting is not needed, and has the advantages of being simple in structure and convenient to use. Therefore, the sewing position can better bear complex tension generated by daily activities of the joint.

To provide a titanium ring and a copper foil manufacturing drum that can suppress the occurrence of macroscopic patterns when used in a copper foil manufacturing drum. [Solution] A titanium ring according to one aspect of the present invention has a predetermined chemical composition, has no seams, and the difference between the maximum and minimum values ​​of the average grain size of the grain size distribution obtained at five measurement positions, which are 1 mm deep in the radial direction from the outer surface of the titanium ring and equally spaced in the circumferential direction, is 10 μm or less, the difference between the maximum and minimum values ​​of the standard deviation of the log-normal distribution function of the grain size distribution is 0.1 or less, and in a graph showing the area ratio of crystal grains for each angle between the radial direction and the c-axis of the hexagonal close-packed structure at each of the five measurement positions, the difference between the maximum and minimum values ​​of the angle where the area ratio is maximized is within 10 degrees, and the maximum value of the square of the area ratio difference for each angle is 0.05 or less.

This invention discloses a brain-computer interface implantable medical connector and its fabrication method, belonging to the field of biomedical engineering. The connector comprises a multi-channel alumina ceramic substrate, a pure titanium ring frame, and pure gold solder. The sides of the ceramic substrate are fully coated with a tungsten metallization layer and electroplated with nickel-gold. An annular groove is formed in the inner ring of the pure titanium ring frame to accommodate the solder. The ceramic substrate with multiple tungsten paste-filled through-holes is fabricated using the HTCC process. Vacuum brazing is then used to weld the sides of the ceramic substrate to the titanium ring frame, forming a fully circumferentially airtight structure. This invention uses all medical-grade materials, exhibiting excellent biocompatibility. The unique side metallization and ring frame groove design significantly improves welding reliability and airtightness, with a leakage rate ≤1×10⁻⁶. ‑10 Pa·m 3 / s; High-purity alumina ceramic and the isolation channel design ensure high insulation, with an insulation resistance ≥1×10⁻⁶ between adjacent channels. 12 Ω. This invention solves the technical problems of insufficient airtightness, easy signal crosstalk, and poor biocompatibility of existing implantable connectors.