20results about How to "Simple processing" patented technology

The utility model discloses a valve element for a faucet. The valve element comprises a water mixing valve element and a connecting piece installed on the water mixing valve element. The connecting piece is provided with a cold water inlet, a hot water inlet and a mixed water outlet, wherein the mixed water outlet and the cold water inlet are located on the same plane. Due to the fact that the cold water inlet, the hot water inlet and the mixed water outlet are directly machined on the connecting piece, machining interlayers used for machining the cold water inlet, the hot water inlet and the mixed water outlet do not need to be reserved in the faucet shell, the machining mode of the faucet shell can be greatly simplified, and the production cost can be reduced. Due to the fact that the wire passing hole is further formed in the connecting piece, the pipeline can conveniently penetrate through the faucet shell through the wire passing hole, and mutual abrasion between the pipeline and the faucet shell can be avoided when the pipeline makes contact with the wire passing hole in the pulling process. Due to the fact that the connecting piece is connected with the water mixing valve element through the arranged inserting buckle, connection between the connecting piece and the water mixing valve element is simple, convenient and fast.

This invention provides a method for preparing low-arsenic anhydrous hydrogen fluoride, relating to the field of hydrogen fluoride preparation technology. The preparation method includes the following steps: (1) crude hydrogen fluoride from a storage tank is passed through a primary distillation column to obtain anhydrous hydrogen fluoride. The anhydrous hydrogen fluoride is then introduced into a pretreatment tank, and potassium permanganate solution is added for stirring and reaction to obtain a mixture; (2) the mixture is sequentially passed into a secondary distillation column and a tertiary distillation column for distillation to obtain low-arsenic anhydrous hydrogen fluoride. This invention changes the non-acid-discharge method of the primary distillation column to an acid-discharge method, and sets a pretreatment process between the original primary and secondary distillations to effectively utilize potassium permanganate solution for arsenic removal. Then, the arsenic compounds in the product are oxidized and carried away through the distillation column, thereby effectively purifying the product without generating new hazardous waste. This method can increase the continuous production capability of existing hydrogen fluoride production systems without major modifications.

The invention relates to the technical field of forming equipment, in particular to storage battery conducting strip forming processing equipment and a forming process thereof, and the storage battery conducting strip forming processing equipment comprises a pressing mold structure and a supporting mold structure which are distributed up and down; the die pressing structure comprises a die pressing table, a spherical die groove is formed in the middle of the bottom of the die pressing table, a punching rod vertically penetrates through the middle of the die pressing table in a sliding mode, inclined plates are arranged on the front side wall and the rear side wall of the die pressing table, and two transverse columns are transversely arranged on the die pressing table and distributed front and back. The conducting strip is molded into a specified shape by adopting a continuous processing and one-step molding mode, so that the processing steps can be greatly reduced, the processing complexity of the conducting strip is reduced, the rapid molding processing mode is realized, the processing efficiency is effectively improved, the processing mode is simplified, and the production cost is reduced. And moreover, the cost input and the manpower input which are required to be matched with a plurality of devices for processing in the traditional mode are saved.

This utility model provides a glue-free insulated cup, belonging to the field of insulated cups. It solves the problem of how to simplify the structure while ensuring the heat insulation effect. A glue-free insulated cup includes an outer cup layer, an aluminum foil, and an inner cup layer. The outer cup layer is fitted over the inner cup layer, and the aluminum foil is located between the inner and outer cup layers, completely covering the inner wall of the outer cup layer. The inner cup layer has an inwardly recessed heat insulation groove at one end, which is connected to the bottom of the inner cup layer. A heat insulation gap exists between the heat insulation groove and the aluminum foil. When the inner cup layer is inserted into the outer cup layer and aluminum foil, the inner and outer cup layers are snapped together. By placing the inner cup layer within an insulated cup holder formed by the outer cup layer and aluminum foil, and providing an inwardly recessed heat insulation groove on the cup body, the heat insulation structure is simplified while ensuring the heat insulation effect.

A formwork reinforcement structure includes: a straight back rib, arranged along a first direction on the outside of the formwork to provide support; and a fastener, clamped onto the straight back rib to form a corner structure, providing support for the formwork. The straight back rib and the fastener are perpendicular to each other. This formwork reinforcement structure, by splicing the straight back rib and the fastener to form a corner structure, avoids welding or bending of the back rib, simplifies construction steps, and reduces the amount of construction work. The design of the fastener clamping onto the straight back rib not only allows the fastener to provide stable support for the formwork but also facilitates the replacement of fasteners of different sizes to adapt to different construction conditions, improving the versatility and flexibility of the formwork reinforcement structure. This invention has a simple processing method, higher precision, better versatility and flexibility, and can effectively reduce construction costs, making it suitable for widespread promotion.

The present application relates to an elastic jack terminal, a connection socket and an electrical connector. The elastic jack terminal further includes a mounting shaft section, a contact structure and a positioning structure. The contact structure is connected to the end of the mounting shaft section. The contact structure includes a plurality of contact arms. The plurality of contact arms are arranged at intervals in the circumferential direction of the mounting shaft section to enclose and form a plug hole for a pin terminal to be inserted. The contact arms are elastic bodies, enabling the plug hole to elastically expand and contract. The positioning structure includes a connecting arm and an abutting ring. The abutting ring has a through hole. Along the central axis of the mounting shaft section, the abutting ring is located at one end of the contact structure away from the mounting shaft section and is arranged at an interval from the contact structure. The abutting ring is used for abutting and positioning with an insulator. The through hole is aligned with the plug hole. One end of the connecting arm is connected to the mounting shaft section, and the other end is connected to the abutting ring. Both the contact structure and the positioning structure are generally annular structures, so they can be directly formed by rolling and stamping a sheet material, and the processing method is simple.

The utility model aims at providing a steam generating device, including bottom plate and steam subassembly, is set up with a plurality of recesses on the bottom plate, and the steam subassembly includes first end block, second end block, through pipe and a plurality of pipes, first end block and second end block are arranged respectively in the two ends of the bottom plate, a plurality of first flow grooves are set up on the first end block, each first flow groove is communicated with each recess respectively, second end block is set up with second flow groove, one end of each pipe is communicated with each first flow groove respectively, the other end of each pipe is communicated with both ends of second flow groove respectively, recess, first flow groove and pipe form a S shape channel jointly, one end of through pipe is communicated with second flow groove, the other end of through pipe is worn in first end block, and it extends from the end of first end block away from second end block, and through pipe is used for communicating with water source. In this way, reduce production cost and assembly difficulty, thereby improve production efficiency.

This utility model discloses a steam heater structure for preventing water hammer, including two manifolds and multiple branch pipes; two sheet metal frames are provided between the two manifolds; multiple sleeve plates are provided between the two sheet metal frames; the sleeve plates abut against each of the branch pipes; two locking parts are provided between the two sheet metal frames; each locking part includes a threaded rod and two wing nuts. There are no bends, and the multiple branch pipes reduce pipe impact, completely avoiding water hammer. The sleeve plates increase the heat exchange area, balancing the temperature difference between the branch pipes and improving heat exchange efficiency. The sleeve plates and branch pipes are separate components, simplifying processing and reducing production costs; the threaded rods and wing nuts install the sleeve plates between the two sheet metal frames, allowing for flexible adjustment of the number of sleeve plates according to different working conditions.

This invention belongs to the field of surface polishing technology, and relates to a water-based polishing wax and its preparation method. The water-based polishing wax comprises a first component and a second component. The water-based polishing wax is formed by mixing a slurry of the first component and a viscous liquid of the second component. The first component includes liquid paraffin, glycerin, Tween, acrylic resin, gloss agent, silica micropowder, hydroxyl silicone oil, dispersant, silicon carbide, cerium oxide, and deionized water. The second component includes an acrylic thickener and deionized water. This invention provides a water-based polishing wax with extremely low VOC content, no irritating odor, reduces the risk of thermal damage to the substrate, and improves the surface microstructure quality, as well as its preparation method.

The application provides a heat dissipation device, an electronic module and an energy storage device. The heat dissipation device comprises a heat conduction member, the heat conduction member is integrally formed with a first heat conduction part and a second heat conduction part; the cross sections of the first heat conduction part and the second heat conduction part are circular in a direction perpendicular to a circuit board, and the diameter of the first heat conduction part is smaller than that of the second heat conduction part; the first heat conduction part is arranged in a through hole and is in heat conduction connection with an electronic device; and the second heat conduction part is fixedly connected to the circuit board. The heat conduction member is integrally formed, the heat conduction efficiency is better, the heat dissipation effect is better, the turning processing is easier, the processing mode is simpler, the production manufacturing cost is reduced, and the production benefit is improved.

The utility model discloses a metal chip collection tool belongs to the field of aviation manufacturing maintenance technology, is the blocky integral structure, its bottom surface and structural member are pasted, its upper surface is made into the inclined plane that is inclined to head, and the front and rear metal chip lead-out hole is made between bottom surface and upper surface, and the opening of metal chip lead-out hole on the upper surface is the working groove hole, and the through hole is made as the contact groove hole at the working groove hole for the rivet or screw that is exposed for cutting, is used to; the circular groove is made to the tail end surface of metal chip collection tool, is used for connecting metal chip collection bottle, and the drill bit passes through working groove hole and contact groove hole and carries out cutting decomposition, and the metal chip enters metal chip collection bottle through metal chip lead-out hole and realizes collection. The utility model can collect the metal chip automatically while decomposing the rivet or screw, and the operation is simple, does not need to help pneumatics or electric device, improves the feasibility of operator's operation in the narrow space.

The application discloses a high-performance blade electrolytic manufacturing device under a spiral flow field and a working method thereof and belongs to the technical field of electrolytic processing. The spiral flow channel can significantly reduce the shearing stress of the wall surface on the liquid and reduce the liquid flow resistance. The spiral flow channel is composed of multiple circular arcs with decreasing radii. Through the constraint and control effect of the spiral channel on the liquid, the liquid flow rate will continuously increase, the liquid enters the machining gap at a high flow rate, the problems of bubble blockage and electrolytic sludge accumulation existing in the traditional flow mode can be effectively solved, the high-performance titanium alloy blade can be machined in a single passivation electrolyte, the problems of difficult replacement of the traditional composite electrolyte and difficult manufacturing of the sealed clamp for machining the titanium alloy solution are solved, the process mode is simple, and the machining cost is low. The elastic insulating block can greatly reduce the stray current attack of the hole side wall of the sheet-shaped cathode on the surface of the blade to be machined, reduce the blade machining taper, and improve the blade forming precision.

The utility model discloses a steel ball unloading groove with movable baffle, and the U -shaped unloading groove is obliquely arranged and is provided with a plurality of supporting legs at the bottom, the bottom of the middle position of the U -shaped unloading groove and both sides are all provided with a through groove, the upper side of the both sides of the U -shaped unloading groove and located through groove leaves the connecting section, the outside surface of the both sides of the U -shaped unloading groove is provided with the reinforcing bar, and the reinforcing bar middle position is bent and is connected with the connecting section, the lower surface of the U -shaped unloading groove is provided with servo motor, and the output shaft of servo motor is provided with the baffle, and the baffle is movably arranged in the through groove, the utility model discloses reasonable structure, and the baffle is moved in the through groove of the U -shaped unloading groove through servo motor, and two steel balls prevent entering heat treatment device or cooling pond simultaneously through the baffle, avoid the collision, and the both sides of the U -shaped unloading groove are provided with the reinforcing bar, and the reinforcing bar middle position is bent and is connected with the connecting section, thereby guaranteeing the structural strength of the U -shaped unloading groove, and the stability is greatly improved compared with the traditional separation type structure.

The utility model relates to a hole-type wiring terminal, a terminal assembly and an electric connector, the hole-type wiring terminal comprises a first contact plate, a second contact plate and a connecting part, the second contact plate and the first contact plate are oppositely arranged, and the second contact plate and the first contact plate are arranged at an interval; the connecting part is located on the same side of the first contact plate and the second contact plate, the connecting part is connected with the first contact plate and the second contact plate, a conductive slot is defined by the first contact plate, the second contact plate and the connecting part, and the conductive slot is used for insertion of a needle type wiring terminal; wherein the connecting part comprises a body and a clamping tongue, the body is provided with a through forming hole, the forming hole surrounds the clamping tongue, the clamping tongue is connected with the body, and the clamping tongue is turned outwards in the direction away from the first contact plate and the second contact plate relative to the body and is used for being in positioning fit with the insulator. As the first contact plate and the second contact plate are both of a plate-shaped structure, the contact area between the first contact plate and the needle-type wiring terminal can be conveniently large, and large current can conveniently pass through the contact plate and the needle-type wiring terminal.

This application relates to the field of data storage device securing technology, and more particularly to a hard disk mounting device and chassis. The hard disk mounting device includes a sliding bracket, a hard disk bracket, and an elastic element. The sliding bracket is used to fix the hard disk body, and drives the connector of the hard disk body to slide along a first direction on the hard disk bracket and is used to connect to the connector of the backplane module. The hard disk body has a movable space, thereby improving the problem of hard disk body interference and inconvenient installation caused by tolerances accumulated in manufacturing and assembly. The elastic element is disposed between the sliding bracket and the hard disk mounting device, and the elastic element can drive the sliding bracket to slide along the first direction, so that the hard disk body always has a clamping force pressing against the backplane module, thereby eliminating the influence of the gap between the hard disk body and the backplane module on the connection between the hard disk body and the backplane module, thereby improving the problem of poor signal transmission between the hard disk mounting device and the backplane module.

The present application relates to a kind of planet carrier processing method and finish machining device, the processing method includes blank turning, drilling and tapping locking end plate mounting hole, boring and milling planet axle and planet gear lubricating oil hole, drilling planet gear bearing lubricating oil hole, leaving abrasive amount hobbing, chamfering, cleaning, heat treatment carburizing quenching, shot blasting, tempering, hot post-finishing, hot post-finishing boring and milling planet axle, gear grinding and flaw detection;The finish machining device includes self-centering expansion sleeve tension mechanism, auxiliary alignment mechanism, support mechanism.The present application solves the difficulty that carburizing quenching planet carrier exists in the production process, and machining deformation is big, high hardness, high machining precision, when finish machining, planet carrier is simply and conveniently operated by dress clamping, satisfy the high-precision positioning required when planet carrier is finish machining, auxiliary alignment, the machining demand that workpiece dress clamping is conveniently up and down, ensure that the final size precision of planet carrier machining meets the quality requirement.

The utility model discloses a metal cutting tool, which belongs to the technical field of aeronautical manufacturing and maintenance and comprises a cutting head and a main body, two spiral chip guide grooves are formed on the outer surface of the main body, a clamping notch is formed on the head, the cutting head is fixed in the clamping notch and is of a polyhedral structure, and five edges on the top and the side surface of the cutting head are used as cutting edges. The integrated drill bit adopts an integrated structure, is convenient to use, and can effectively prevent the situation that the drill bit is scrapped after being polished due to abrasion of a side chip guide groove when an object with higher hardness is decomposed by a common drill bit in use. The machining mode is simple, the requirement for high-hardness materials is low, and only the cutting head needs to be made of the high-hardness cutting materials.

The application discloses a broadband low-profile frequency selective surface and a design method, comprising a plurality of periodically arranged frequency selective surface units, the frequency selective surface units sequentially comprise an upper layer metal resonant structure, a first dielectric layer, an intermediate metal resonant structure, a second dielectric layer and a lower layer metal resonant structure; the upper layer metal resonant structure and the lower layer metal resonant structure constitute a double-mode coupled resonator, the intermediate metal resonant structure is used for providing an additional resonant frequency and adjusting electromagnetic coupling of the upper layer metal resonant structure and the lower layer metal resonant structure, so that the frequency selective surface forms a plurality of adjacent resonant frequencies in a target frequency band and realizes a broadband bandpass response. The application realizes a broadband bandpass response through cooperation of a plurality of resonant frequencies, and improves a control freedom degree of structure parameters on resonant frequencies and coupling strength.

The utility model relates to the technical field of cooking equipment discloses cooking equipment, including cooking cavity, cooking utensil and exhaust component, be equipped with first exhaust hole on cooking cavity, cooking utensil is detachably arranged in cooking cavity, and cooking utensil inside is equipped with steaming chamber and water holding chamber, and steaming chamber and water holding chamber communicate through the air hole, cooking utensil still is equipped with second exhaust hole, exhaust component detachably communicates first exhaust hole and second exhaust hole, the utility model provides cooking equipment, through the detachable communication of exhaust component to first exhaust hole and second exhaust hole, can directly discharge the water vapor produced in the steaming process of cooking utensil to the outside of cooking cavity, reduces the complexity of processing operation and production process of cooking cavity, improves production efficiency and assembly efficiency.

The utility model discloses a pipe thread sealing structure, and relates to the field of electric power systems. The pipe thread sealing structure comprises a sealing connecting pipe, a thread part is machined at the end of the sealing connecting pipe, an annular sealing groove is machined in the corresponding position, a rubber ring is movably clamped in the annular sealing groove of the sealing connecting pipe, and the outer side of the sealing connecting pipe is in threaded connection with a sealing ring and a fastening ring. The sealing ring, the fastening ring and the sealing connecting pipe achieve axial sealing of the sealing connecting pipe by extruding the rubber ring. According to the pipe thread sealing structure, the sealing connecting pipe, the sealing ring and the fastening ring are matched, sealing is achieved by extruding the rubber ring, the sealing performance is reliable, and the product quality is guaranteed; the parts, the sealing groove at the sealing connecting pipe and the sealing groove at the sealing ring are simple to process and convenient to operate; the size of each part can be adjusted according to the actual condition of a product.