25 results about "Phosphor bronze" patented technology

The utility model provides a replaceable phosphor copper mesh filter assembly, which relates to the technical field of phosphor copper meshes, and comprises a phosphor copper mesh and further comprises a mounting assembly, and the mounting assembly is composed of two mounting fixing covers arranged on two sides of the phosphor copper mesh; the clamping and extruding assembly is composed of extruding limiting plates arranged between the phosphor copper mesh and the mounting and fixing cover, the number of the extruding limiting plates is two, the two extruding limiting plates are symmetrical about the center of the phosphor copper mesh, and limiting and fixing cones are arranged on the sides, close to each other, of the two extruding limiting plates; the two extrusion limiting plates are symmetrically arranged relative to the center of the phosphor copper mesh, when the two extrusion limiting plates get close to each other, the limiting fixing cones on the extrusion limiting plates can make contact with the phosphor copper mesh, the limiting fixing cones can generate elastic deformation and can be tightly embedded into grids of the phosphor copper mesh, uniform extrusion force and limiting effect are applied to the phosphor copper mesh from the two sides, and therefore the phosphor copper mesh is prevented from being damaged. And the phosphor copper mesh is firmly fixed in the mounting fixing cover.

The utility model belongs to the technical field of tin-phosphor bronze belt production, and particularly relates to tin-phosphor bronze belt rolling. The utility model provides a reel for cold rolling of a high-yield-ratio and high-elasticity tin-phosphor bronze belt, which comprises a winding drum suitable for winding the tin-phosphor bronze belt, and a left baffle disc and a right baffle disc are arranged on two sides of the winding drum; the pressing and holding piece is arranged at the edge of the left baffle disc; the locking position is arranged at the edge of the right baffle disc; during locking, the pressing and holding piece stretches across the winding drum to be matched with the locking position, and the tail end of the tin-phosphor bronze belt on the outermost circle is extruded and locked. The pressing and holding piece is arranged on the left blocking disc, the locking position is arranged on the right blocking disc, the pressing and holding piece stretches across the winding drum and stretches into the locking position by rotating the pressing and holding piece, the tin-phosphor bronze belt on the outermost circle of the winding drum is pressed, the phenomenon that the coiled tin-phosphor bronze belt is loose after the winding disc is taken down from the winding device is avoided, and the winding efficiency is improved. And the production continuity of the tin-phosphor bronze belt is improved.

The invention discloses a large-size tin-phosphor bronze / Q235B composite plate and a preparation method thereof, and belongs to the field of material forming, the method comprises the following steps: by taking a Q235B steel plate as a base plate and a tin-phosphor bronze plate as a compound plate, sequentially laying a base plate, the Q235B steel plate, a support column, the tin-phosphor bronze plate, a protective layer, a fence structure, a low-detonation-velocity rock expanded ammonium nitrate fuel oil explosive layer and an inert layer on an explosion field from bottom to top, and forming the composite plate. And then the tin-phosphor bronze plate and the Q235B steel plate are subjected to metallurgical bonding after high-speed collision by detonating the explosive, the large-size tin-phosphor bronze / Q235B composite plate is obtained, the interface bonding rate of the obtained composite plate is larger than 98%, the interface shear strength exceeds 274 MPa, and the composite plate has the advantages of excellent high strength, wear resistance and the like of tin-phosphor bronze and low cost of Q235B steel.

The application discloses a large-size tin-phosphor bronze / Q235B composite plate and a preparation method thereof, and belongs to the field of material forming. The method uses a Q235B steel plate as a base plate and a tin-phosphor bronze plate as a composite plate, lays, from bottom to top, a backing plate, the Q235B steel plate, a supporting column, the tin-phosphor bronze plate, a protective layer, an enclosure structure, a low-explosive-speed rock expanded ammonium nitrate oil explosive layer and an inert layer on an explosion field, and then causes the tin-phosphor bronze plate and the Q235B steel plate to collide at a high speed by detonating the explosive, so that metallurgical combination is caused, a large-size tin-phosphor bronze / Q235B composite plate is obtained, the interface bonding rate of the obtained composite plate is greater than 98%, the interface shear strength is greater than 274 MPa, and the composite plate has the excellent high strength, wear resistance and other performances of the tin-phosphor bronze and the low-cost advantage of the Q235B steel.

The utility model relates to sealing strip technical field, concretely is a kind of shock resistance sealing strip for electronic appliance, the composite material of silicon rubber main part and polyurethane shock resistance layer, through the synergistic effect of material of different elastic modulus, the attenuation of broadband vibration is realized. The elastic deformation capacity of phosphor bronze spring post can absorb vibration energy below 2000Hz, and the damping characteristic of polyurethane cavity is remarkable to low-frequency vibration (10~50Hz) buffering effect, the composite material of silicon rubber main part and polyurethane shock resistance layer, through the synergistic effect of material of different elastic modulus, the attenuation of broadband vibration is realized. The elastic deformation capacity of phosphor bronze spring post can absorb vibration energy below 2000Hz, and the damping characteristic of polyurethane cavity is remarkable to low-frequency vibration (10~50Hz) buffering effect.

The utility model provides a wear-resistant hardware pin, and relates to the technical field of electronic connectors, the wear-resistant hardware pin comprises a main body mechanism, the outer surface wall of the main body mechanism is fixedly sleeved with a clamping mechanism, the main body mechanism comprises a conductive fiber layer, and the outer surface wall of the conductive fiber layer is fixedly connected with a phosphor bronze hardware pin main body. The outer surface wall of the phosphor bronze hardware contact pin body is provided with a group of first mounting grooves, the outer surface walls of the group of first mounting grooves are fixedly sleeved with protective rings, the top of the phosphor bronze hardware contact pin body is provided with a conical head, and the outer surface wall of the conical head is fixedly sleeved with a protective sleeve; the outer surface wall of the phosphor bronze hardware pin body is fixedly sleeved with two connecting rings. The mechanism is made of a novel material, and a protective ring and a conical head are arranged outside the contact pin, so that the adhesive force and the wear resistance of the contact surface are further improved, the friction force is increased, meanwhile, the wear is reduced, and the durability of equipment is improved.

An e-cigarette PV that includes an air pressure valve or device so that excess air can escape from an e-liquid reservoir in the PV when that reservoir is being filled under pressure with e-liquid from a parent reservoir. The valve or device is a barrier made of an air-porous material, such as a sintered polymer or metal, coated with or otherwise including a barrier or layer of an air-porous substance that is not porous to e-liquid, such as an oleophobic material or a hydrophobic or super-hydrophobic material. The oleophobic material is one of: sintered phosphor bronze, sintered stainless steel and sintered PU plastic.

The invention discloses a tin-phosphor bronze / Q235B composite sheet and a preparation method thereof, and belongs to the field of metal material forming. According to the method, an optimized process route of explosive cladding, stepped annealing, hot rolling and cold rolling is adopted, a tin-phosphor bronze plate and a Q235B steel plate are metallurgically bonded through an explosive welding composite method, a composite thick plate is obtained, then stepped annealing heat treatment is conducted, hot rolling is conducted after preheating, and finally the composite thin plate is obtained through cold rolling. The method breaks through the limitation of a single composite technology, has the characteristics of high efficiency, stability and low production cost, and can be used for preparing the composite thin plate with excellent performance. According to the prepared tin-phosphor bronze / Q235B composite thin plate, the yield strength at the room temperature reaches 580-640 MPa, the tensile strength reaches 660-700 MPa, and the percentage elongation after fracture is 5%-6.5%.

This invention discloses a tin-phosphorus bronze / Q235B composite thin plate and its preparation method, belonging to the field of metal material forming. The method employs an optimized process route of "explosive bonding—stepped annealing—hot rolling—cold rolling." Explosive welding is used to metallurgically bond tin-phosphorus bronze plates with Q235B steel plates to obtain a composite thick plate. This is followed by stepped annealing heat treatment, preheating, and hot rolling, and finally cold rolling to obtain the composite thin plate. This method overcomes the limitations of single-component technologies, featuring high efficiency, stability, and low production cost, and can produce composite thin plates with excellent performance. The prepared tin-phosphorus bronze / Q235B composite thin plate has a room temperature yield strength of 580~640MPa, a tensile strength of 660~700MPa, and an elongation after fracture of 5%~6.5%.

The utility model relates to the technical field of glasses, and discloses a track type bayonet screw-free elastic glasses hinge structure, which comprises an end piece, a glasses leg and an end piece inner frame, the end piece and the glasses leg are made of titanium metal, the end piece inner frame is made of phosphor copper metal, and the end piece, the glasses leg and the end piece inner frame are in screw-free connection through a track structure. The bottom of the end piece and the bottom of the end piece inner frame are provided with notches corresponding in position, the necks of the glasses legs on the side faces of the glasses legs are vertically installed from the bottoms to complete connection, and the hidden track grooves with the radian in the top of the end piece inner frame and the convex grooves with the radian in the front ends of the glasses legs can be tightly combined to ensure that the glasses legs are stably opened and closed in the end piece. The top of each glasses leg is provided with a through forked position, so that the glasses legs have an opening and closing elastic function, can elastically expand outwards by 12 degrees in a 0-degree state, improve the wearing comfort and prevent falling off, the forked positions are tightly closed to form a small square to enhance the stability when swinging to 45 degrees, and the forked positions are opened to return to a state of being matched with a large square track in an end piece when swinging to 90 degrees to form a 90-degree elastic effect.

The utility model belongs to phosphor bronze production technical field, concretely relates to a kind of phosphor bronze tablet reaction container of high mixing efficiency, including reaction tank, feeding mechanism, material bucket, the tank top of reaction tank is connected exhaust valve and mixing pipe, exhaust valve is connected exhaust pipeline and material bucket by three-way pipe, the both ends of feeding mechanism are connected nitrogen pipeline and mixing pipe respectively, the throat of venturi in feeding mechanism is connected lower three-way pipe by material extraction pipe, lower three-way pipe bottom end blind dead and top end intercommunication guide slot, guide slot top is connected material bucket bucket mouth by sanitary clamp, the variable diameter section part of material bucket is threadedly connected bucket cover, unscrambling cover subassembly is rotatably installed on lower three-way pipe, unscrambling cover subassembly transmission connection bucket cover. Through the cooperation of positive pressure nitrogen and venturi structure, safe negative pressure mixing feeding in the sealing system formed by reaction tank, feeding mechanism and material bucket is realized, and the safety of feeding and the uniformity of mixing are effectively improved.

This invention relates to a bipolar adjustable plasma electrode, comprising: an electrosurgical head; two first tubes, the electrosurgical head spanning between the two first tubes, and the first tubes containing a high-temperature resistant wire that is in contact with and conductive to the electrosurgical head; a second tube connected to the end of the two first tubes away from the electrosurgical head, and the first and second tubes being rotatably coupled; and a third tube containing a phosphor bronze rod, the phosphor bronze rod being electrically connected to a plug via a cable. Only a brief energization of the heating wire is needed to melt the phase-change conductive material, allowing easy adjustment of the angle between the two first tubes, thereby changing the shape of the electrosurgical head to adapt to different anatomical sites or surgical approaches. The frictional force between the first and second tubes maintains the shape of the electrosurgical head in the absence of external force. After power is cut off, the phase-change conductive material rapidly solidifies, locking the relative positions of the high-temperature resistant wire and the phosphor bronze rod.

This invention belongs to the field of high-end equipment manufacturing and non-ferrous metal materials technology, and in particular to a horizontal continuous casting equipment for high-elasticity phosphor bronze. It includes a ladle, a tundish, a crystallization unit, pinch rolls, a dummy ingot unit, and a flame cutter. At least one side of the tundish is equipped with a rinsing unit. The crystallization unit includes a hydraulic vibrator and a crystallizer located on top of the hydraulic vibrator. The rinsing unit includes a permeable brick with at least two sets of permeable holes arranged radially along an Archimedean spiral to form a permeable hole group. The crystallizer includes a mounting base, a cooling jacket, and a crystallizer body. The permeable hole structure, arranged along an Archimedean spiral with a gradually increasing aperture, combined with independently operable ventilation channels, ensures more thorough and uniform contact between inert gas bubbles and the molten copper. Through multi-cavity independent heat exchange and a spiral cooling channel design with increasing pitch, a controllable gradient cooling field is formed along the solidification direction of the cast billet.

This invention discloses a high-conductivity phosphor bronze alloy and its surface treatment process, relating to the field of copper alloy surface treatment technology. The specific steps of the surface treatment process are as follows: after cleaning the phosphor bronze alloy, it is sandblasted, then coated with a composite coating, and pyrolytic annealed to obtain an intermediate layer; an epoxy composite coating is coated on the surface of the intermediate layer, and cured at 40-45℃ for 20-24 hours to form a surface layer; wherein the raw material components of the composite coating include, by mass, 5-8 parts of phosphor bronze doped with molybdenum disulfide, 1-3 parts of copper powder, 0.2-3 parts of metal salt, 20-30 parts of aniline trimer derivative and 60-80 parts of N,N-dimethylformamide; the raw material components of the epoxy composite coating include, by mass, 80-100 parts of epoxy resin, 1-3 parts of modified MXene, 1-3 parts of phosphor bronze doped with molybdenum disulfide and 60-75 parts of curing agent.

The utility model relates to phosphor copper ball processing technical field, especially a kind of phosphor copper ball processing device with quick cleaning function, including cleaning outer cylinder, rotatingly installed with cleaning inner cylinder in the inside of cleaning outer cylinder, several through-holes are arranged on the cylinder wall of cleaning inner cylinder, the periphery of the inside of cleaning inner cylinder is slidably installed with brush plate, the bottom wall of cleaning inner cylinder is rotatably installed with rotating seat, the side above cleaning outer cylinder is rotatably installed with rotating plate, the lower side of rotating plate movable end is installed with the pressure seat that can slide up and down, it is located the upside of rotating seat, the side below cleaning outer cylinder is installed with valve.The utility model has the advantages of: pouring cleaning liquid in the inside of cleaning outer cylinder, phosphor copper ball is placed into cleaning inner cylinder, brush plate is contacted with the outer surface of phosphor copper ball, through the rotation of cleaning inner cylinder, phosphor copper ball can be brushed, and the rotation of cleaning inner cylinder can drive the rotation of cleaning liquid, so that cleaning liquid can flush phosphor copper ball, improve the cleaning effect of phosphor copper ball.

The application discloses a crystallizer for preparing tin-phosphor bronze rod material and a horizontal continuous casting method, and the horizontal continuous casting method comprises the following steps: step one, feeding according to the composition ratio of the tin-phosphor bronze rod material and melting; and step two, carrying out drawing casting on the qualified molten liquid obtained in the step one, wherein the drawing casting pitch is 2-6 mm, the traction speed is 300-550 mm / s, the pause time is 100-300 ms, the inlet / outlet temperature of the cooling water of the crystallizer is 30-40 DEG C / 50-60 DEG C, the cooling water pressure is 0.04-0.08 MPa, the temperature of the holding furnace is 1140-1200 DEG C, the temperature of the graphite base is 750-900 DEG C, the drawing casting frequency is 100-150 times / min, the casting blank outlet temperature is 300-500 DEG C, and the electromagnetic stirring frequency is 30-50 HZ. The crystallizer and the horizontal continuous casting method have a good refining effect on the tin-phosphor bronze rod material, tin counter segregation is basically eliminated, the wire drawing cracking problem is solved, and the tensile strength of the tin-phosphor bronze rod material is greatly improved.

The utility model relates to the technical field of precision measuring tools, in particular to a capacitive grating type caliper capable of resisting external influence. Comprising a caliper main body and a housing, the inner surface of a hollow area on the caliper main body is coated with an epoxy resin glue layer and is provided with a phosphor bronze spring strip with an inclined 45-degree concave-convex rib structure, a gap gasket is arranged between a movable gate and a fixed gate on the caliper main body, and the epoxy resin glue layer structure can ensure that a sensor plate and a caliper frame are better attached. The parallelism and distance parallelism of the two sensors can be guaranteed, the non-hollow area can also guarantee reliable connection of the ruler frame and the sensor plate and reduce external signal interference, the gap gasket is used for gap adjustment of the two corresponding sensors on the sensor plate, and after the gap of the ruler body is adjusted, the ruler body can be adjusted by arranging the phosphor bronze spring strip of an inclined 45-degree concave-convex rib structure. Under the condition that the product precision is guaranteed, the sliding resistance of the caliper body during use can be reduced, the sliding hand feeling during use is improved, the overall precision and stability of the caliper body during use can be improved, and use is facilitated.

The utility model discloses a horizontal continuous casting molten copper shunting simple device, which belongs to the technical field of tin-phosphor bronze casting, and adopts the technical scheme that the horizontal continuous casting molten copper shunting simple device comprises a support frame, a graphite crystallizer is placed on the support frame, the graphite crystallizer is provided with an inlet, a graphite block is inserted into the inlet, a fixed plate is fixedly connected below the inlet, and the fixed plate is fixed on the support frame. The two ends of the fixed plate are each provided with a spring rod, a movable plate is arranged on the two spring screw rods, nuts are connected to the positions, located above the movable plate, of the two spring rods, and a pushing and pressing piece is arranged on the movable plate and comprises the spring rods and a pressing plate. According to the scheme, molten copper is shunted, it is ensured that the molten copper evenly enters the graphite crystallizer, the large-face solidification line of a casting blank is improved, and the quality of the casting blank is improved.

The application relates to the technical field of radio frequency coaxial connectors, in particular to a tin-phosphor bronze radio frequency coaxial connector assembling machine and assembling method and a radio frequency coaxial connector suitable for the assembling machine, which comprises a machining table, a fixing plate and a supporting plate fixed on the machining table, a conveying assembly is arranged on the fixing plate, a lower clamping assembly is arranged on the machining table and comprises symmetrically-arranged clamping plates, a lifting assembly is arranged on the supporting plate, an upper clamping assembly is arranged on the lifting assembly and comprises symmetrically-arranged clamping plates, a distance regulating mechanism is arranged on the supporting plate and connected with the upper clamping assembly, and a following rotation assembly is arranged on the lifting assembly and connected with the distance regulating mechanism; through the bidirectional clamping of the clamping plates and the clamping plates, the mutual plugging of the connectors is realized, and after the plugging is completed, a pulling force is applied to the connectors to test whether the connectors are plugged in place.

This invention provides a phosphor bronze surface color detection device, relating to the technical field of phosphor bronze processing quality inspection equipment. The phosphor bronze surface color detection device includes a detector installed inside a mounting frame. A lifting device is installed at the upper end of the detector and is fixedly connected to the upper end of the mounting frame. A worktable is installed at the lower end of the mounting frame, and a controller is fixedly connected to the surface of the worktable. A cleaning assembly for cleaning the material surface is installed at the feed end of the worktable. The cleaning assembly includes a mounting frame for mounting the cleaning assembly, which is fixedly connected to the upper surface of the feed end of the worktable. Through the interaction of components such as the cleaning plate, mounting plate, guide wheel, and insert plate in the cleaning assembly, both sides of the material entering the equipment for testing are effectively cleaned, ensuring that dust or foreign objects do not affect the test results during testing, thus improving the accuracy of the equipment's testing.

This invention relates to a process for preparing phosphorus copper rods using a phosphonate-amide composite purifying agent as a quenching aid, belonging to the field of non-ferrous metallurgical technology. The invention involves mixing phosphorus pentoxide and sodium carbonate to form a molten salt, cooling and grinding it, then adding it along with scrap copper to an alumina crucible for rapid heating. Compressed air is blown in, and after holding at this temperature and allowing it to settle, slag is removed. A mixed gas is then blown into the melt for reduction refining. Calcium boride is added to the melt for further refining. The refined copper liquid is then continuously cast and rolled. The continuously cast and rolled phosphorus copper rods are rapidly immersed in a quenching aid solution for quenching. The quenched phosphorus copper rods are then blown dry and baked to obtain high-conductivity phosphorus copper rods. The high-purity phosphorus copper rods prepared by this invention exhibit excellent performance in key indicators such as copper content, phosphorus content, and conductivity, achieving the expected high purity and high conductivity requirements.

This invention discloses a method for controlling the gloss of copper alloys based on the coordinated regulation of rolling oil spray volume and speed, belonging to the field of tin-phosphorus bronze alloy processing technology. The key technical points include the following steps: S1. Preparing a copper alloy billet; S2. Annealing and milling the copper alloy billet; S3. Rough rolling the milled billet; S4. Trimming the strip after rough rolling in step S3; S5. Performing multiple passes of intermediate rolling on the annealed strip after step S4, followed by cold rolling in the final finishing pass; S6. Straightening and bending the strip after cold rolling in the final finishing pass of step S5, and finally shearing to obtain the finished product. In the final finishing pass cold rolling in step S5, the oil film thickness on the strip surface is adjusted by coordinating the rolling speed and the amount of rolling oil spray, thereby precisely controlling the target gloss. This method can precisely control the gloss of copper alloys, allowing for adjustment according to requirements, improving production quality and efficiency.

The invention relates to the use of a phosphorus-containing bronze alloy for the production of a sliding layer on a metal substrate by means of cladding welding.

The invention discloses a continuous forming and crimping method for a fisheye terminal and a wire, and belongs to the technical field of fisheye terminal forming and crimping, and the method comprises the following steps: preparing and feeding a metal strip, and providing a continuous metal strip which is phosphor bronze, beryllium copper or copper alloy material; the multi-station continuous stamping die is adopted, stamping forming of the fisheye terminal and the procedures of automatic feeding, crimping, detecting, cutting and the like of the wire are integrated, integrated continuous production from a metal belt material to a finished product assembly is achieved, the production efficiency is greatly improved, and the labor and equipment input cost is reduced. According to the invention, the multi-stage locking structure and the asymmetric elastic sheet structure are designed at the fisheye elastic sheet part, so that the terminal generates asynchronous deformation and resilience after being inserted into a PCB hole, a torsion effect is formed, the holding force and the anti-vibration and anti-loosening performance of the terminal in the PCB hole are remarkably enhanced, and the service life of the terminal is prolonged. The problems that a traditional fisheye terminal is easy to loosen and poor in contact in a vibration or impact environment are solved.