69results about How to "High material utilization" patented technology

A directed vapor deposition (DVD) method and system for applying at least one bond coating on at least one substrate for thermal barrier coating systems. To overcome the limitations incurred by conventional methods, the DVD system uses an electron beam directed vapor deposition (DVD) technique to evaporate and deposit compositionally and morphologically controlled bond coats at high rate. The present DVD system uses the combination of an electron beam and a combined inert gas/reactive gas carrier jet of controlled composition to create engineering films. In this system, the vaporized material can be entrained in the carrier gas jet and deposited onto the substrate at a high rate and with high materials utilization efficiency. The velocity and flux of the gas atoms entering the chamber, the nozzle parameters, and the operating chamber pressure can all be significantly varied, facilitating wide processing condition variation and allowing for improved control over the properties of the deposited layer.

The invention provides a processing method of a thin and long aluminium alloy thin-walled cylinder and belongs to a mechanical processing method of a slewing structure, and the processing method is used for carrying out friction stir welding on a shell blank so as to process and mold the shell blank into a bent generatrix thin-walled cylinder shell. The method provided by the invention can be used for solving the problems of poor shell generatrix displacement, poor shell roundness, uneven wall thickness, clearance at welding seams, unqualified performance detection and incapability of ensuring use requirements in the existing processing method. The method comprises a part manufacturing step, a matching step, a caustic washing step, a trial assembly step, a positioned welding step, a friction stir welding step, a welding seam polishing step, a stress-relief annealing step, an X-ray detection step, a shape processing step, a ultrasonic flaw detection step and an end face hole processingstep. The method provided by the invention can be used for solving the problems of poor shell roundness, uneven wall thickness, clearances at the welding seams and unqualified performance detection in the existing processing method, improving the shell processing precision and reliably ensuring the product quality.

The invention discloses a centrifugal high-carbon, high-boron and high-speed steel composite roller shell and belongs to the technical field of casting. An outer layer of the roller shell is made of a high-carbon, high-boron and high-speed steel material; an inner layer of the roller shell is made of graphitic steel; good metallurgical bonding is achieved by centrifugal casting; an appropriate heat treatment process is adopted for property improvement on the high-carbon, high-boron and high-speed steel composite roller shell; a high-carbon, high-boron and high-speed steel combined roller is fabricated by a hot charging method; the high-carbon, high-boron and high-speed steel composite roller shell can be replaced after being abraded; and the cyclic utilization of a roller shaft is achieved. Compared with a high-speed steel roller by centrifugal casting, the material utilization ratio is increased by more than 30%, and the service life is prolonged by more than 20%.

The invention relates to a preparation method of a heavy-calibre nickel base alloy thin-walled tubular product, which comprises the steps of: 1, preparing a nickel base alloy tube blank by adopting a thermal backward extrusion process, wherein the extrusion temperature is 1000-1250 DEG C, the worker die preheating temperature is 450-550 DEG C, the extrusion speed is 25mm/s-60mm/s; 2, thinning through cold spinning with strong force, wherein the first pass of thinning rate is 20-75 percent, other passes of thinning rates are 25-30 percent, the deformation during thermal treatment (annealing or solution treatment) is 50-75 percent, the feeding ratio of two passes before a finished product is obtained is 0.5mm/n-0.7mm/n, and feeding ratios of other passes are 0.8mm/n-1.5mm/n; and 3, carrying out thermal treatment (annealing or solution treatment) on a semi-finished product or finished product, scouring and cleaning. The heavy-calibre nickel base alloy thin-walled tubular product processed by adopting the invention has the advantages of high material utilization rate, low cost and high additional value, is suitable for massive production, and has remarkable economic benefit and social benefit.

The invention provides a cast high chrome iron or cast high chrome steel roller used to roll weld steel tube and on straight-slim welding steel tube roller, or the like, wherein the cast high chrome iron roller comprises C in 1.8-2.8%, Si <=1.0%, Mn <=1.0%, P<=0.05%, S<=0.05%, Cr in 12-22%, Ni in 0.5-3.0%, Mo in 0. 0%, Ti in 0-0.3%, V in 0-1.0%, Cu in 0-1.0%, RE in 0.01-0.5%, and the left is Fe. The inventive roller has uniform organism, high abrasion resistance and flexibility, while its service life is 2-5 times of general product and material utilization can reach 70% or 80%, with low cost.

The invention discloses a forging molding method of a large-scale aluminum alloy conical ring, and the method comprises the following steps: heating a cast ingot: heating the large-size cast ingot to the appropriate forging temperature; forging: performing compression and stretching on the cast ingot on a hydraulic machine multiple times; upsetting into a cone: utilizing an upper flat anvil and a lower flat anvil to upset the cast ingot repeatedly so as to enable the cast ingot to form the cone; punching: adopting a conical punch to punch a center hole on the cone so as to form the conical ring; machining: performing machining and shaping treatment on the conical ring so as to keep the obliqueness of the inner surface and the obliqueness of the outer surface of the conical ring consistent; and reaming: supporting a core rod through a saddle support, utilizing the core rod to prop against the inner surface of the conical ring and utilizing the upper flat anvil to press the outer surface of the conical ring so as to expand the inner hole of the conical ring. The method provided by the invention has the advantages of low cost, high utilization rate of materials, capability of ensuring that internal tissues of the conical ring can not be damaged and the like.

The invention discloses a radio frequency coaxial electrical connector with a stamping contact element. The connector comprises a plug and a socket, wherein the plug is formed by being sleeved with a plug outer conductor, a plug inner conductor, a plug insulator and a plug compressing-connection cylinder, the socket is formed by being sleeved with a socket outer conductor, a socket inner conductor, a socket insulator and a socket compressing-connection cylinder, and the connector is characterized in that the plug outer conductor is provided with a thin neck and a groove-cutting stamping plug contact part in a turning-riveting and compressing-connection mode. The socket outer conductor is provided with a stamping socket contact part of a step in a turning-riveting and compressing-connection mode. The plug is in butt joint with the socket, the plug contact part is in elastic contact with the socket contact part, the plug inner conductor is in inserted connection with the socket inner conductor, and radio frequency coaxial electrical connection is achieved. Compared with the prior art, the radio frequency coaxial electrical connector has the advantages of being high in material utilization rate, low in production cost, reliable in connection, rapid and convenient to butt join and separate, good in anti-vibration and anti-shock performance, and particularly suitable for large-power signal transmission.

The invention disclosed a finish rolling forming technique of a numerical control ring rolling machine of an internal long neck special-shaped wind power flange, belonging to the field of wind driven generator apparatuses. The technique comprises the following steps of: selecting a continuously cast bloom to feed materials on a sawing machine; heating a matched furnace according to an actual capacity of a heating furnace; then, blanking on an oil press to obtain blank; returning the furnace for heating and thermally preservation; discharging the furnace, carrying out finish-rolling on the numerical control ring rolling machine so as to form a combined forging blank; cooling the combined forge blank by air; after the cooling is finished, sawing from the middle of the side surface of the combined forging blank, to obtain two internal long neck flange ring member blanks; thermally treating the internal long neck flange ring member blank; carrying out rough-turning and finish-turning on the ring member blank after thermal treatment on a vertical numerical control machine; detecting flaw of the ring member after finish turning by ultrasonic waves; next, detecting mechanical performance indexes, granularity and non-metallic inclusion; and realizing identification package of a product. The technique in the invention increases utilization rate and production efficiency of flange forging material as well as performance of a forge piece.

The invention discloses a nuclear reactor integrating lower end socket integrity profiling and forging method and belongs to the technical field of forging forming. The nuclear reactor integrating lower end socket integrity profiling and forging method comprises steps of step one determining the external diameter and the internal diameter of an opening end of the end socket to be the end socket outer ball top total height and the internal semi-circle spherical radius according to a requirement of a drawing of the to-be-machined end socket; step two producing a special hammer for rotary swaging; step three producing an upper die, a lower die and a lower die base pad of a die; step four installing the lower die on a workbench of a hydraulic press before forging and performing upsetting on blanks through a hydraulic press flexible cross beam press upper flat plate; step five sequentially installing the lower die base pad, the lower die, the upper die and the special hammer on the hydraulic press workbench, placing the lower die base pad at a lowest position of the workbench, then placing the lower die and the upper die and measuring the blank size after rotary forging and producing an integrating lower end socket product after the blank size is qualified, wherein the upper die is above the lower die, the hydraulic press flexible cross beam is connected with the special hammer, and all dies are guaranteed centering.

The invention relates to a semi-closed forging device for a universal joint and a forging method thereof. The semi-closed forging device comprises a bench, an ejection mechanism, a lower die base, a lower drill key, a lower die, an ejector rod, an upper die, an upper drill key, an upper die base and a hammer head, wherein, the bench is equipped with a T-slot; the lower die base is fixed on the bench through screws; a connection slot is aligned with the T-slot; the lower die is fixed on the lower die base through the lower drill key, and the upper die is fixed on the upper die base through the upper drill key; the upper die base is fixed on the hammer head through bolts; the ejector rod is placed in a circular hole in a lower die cavity and pushed for ejection and restoration when the ejection mechanism moves up and down; and the lower die, the lower die base and ejector holes of the bench are communicated correspondingly. The device and the method of the invention can help achieve high machining precision and high qualification rate of the universal joint product.

The invention relates to a small-scale magnesium alloy bar pipe hot extrusion shaping mold, including an upper and a lower die holders, a squeezing barrel, a male die, a concave die and the like, wherein, the squeezing barrel adopts a two-layer pre-stress composite structure opened with thermometer holes, a thermal insulation sleeve is provided outside the barrel, the concave die is fixed on the lower die holder by the conjunction of a squeezing barrel, the squeezing barrel, the thermal insulation sleeve and the concave die are fastened by the upper and lower die holders; the male die directly contacts the inner wall of the squeezing barrel in transition conjunction, the upper end of the pressing stem is provided with a spacing press head to ensure that the male die is not directly pressed on the concave die. The invention can produce a variety of specifications for small-size magnesium alloy rod pipes by a simple die change, which has features of high material utilization, uniform blank deformation, small extruding force, high products dimensional precision and surface accuracy. The invention also advantages of simple mold structure, easy operation, low cost, long life and so on.

The invention discloses a steel plate oddment monitoring method which is applied in a steel plate oddment monitoring system. The method includes that a server receives layout results from a layout system and determines whether the layout results contain oddment information; if so, a cutting site management terminal acquires the layout results from the server according to production plan, an operator prepares material according to plate blank information, a numerical-control cutting platform cuts the prepared plate blanks according to a numerical-control program and layout images, the cutting site management terminal sends oddment information to a RFID reader after cutting of the numerical-control cutting platform is completed, the RFID reader writes the oddment information into a RFID and embeds the RFID into the oddment, and the operator stores the oddment with the embedded RFID into a plate blank bin and sends storing position of the oddment to the server through a management terminal of the plate blank bin. By the aid of the method, steel plate oddment monitoring and management can be realized effectively, relevant enterprises can utilize raw material effectively, material utilization can be improved, and production cost can be reduced.

The invention discloses a truss type retaining wall. The upper end of a lower part pile foundation is connected with an upper part truss structure through a bearing platform beam; the upper part truss structure comprises upper chord stand columns, lower chord stand columns, horizontal web girders, inclined web girders, transverse connecting beams and retaining plates; wherein the lower chord stand columns are connected through the transverse connecting beams to form a grid structure; each upper chord stand column is connected with the corresponding lower chord stand column through a plurality of horizontal web girders and a plurality of inclined web girders; every two adjacent upper chord stand columns are connected through the retaining plates to form an integrated retaining wall. The invention relates to a vertically placed cantilever truss structure system, which mainly utilizes the rationality and the stability of stress of truss triangular structure arrangement to improve the bearing capability and the lateral migration resisting ability of a retaining structure. Meanwhile, the overturning moment of a vertical truss retaining structure is balanced by utilizing the weight G of anti-pressure soil on the upper part of the bearing platform. According to the truss type retaining wall provided by the invention, the material intensity can be fully utilized, and the material utilization ratio is improved, and the construction cost of the foundation is reduced.

The invention relates to the hydraulic forming technology of an alloy plate, in particular to a magnesium alloy digital camera casing with a movable male die and a similar product hydraulic forming special-purpose die assembly. The technology is mainly used for the heating, the hydraulic pressure, the drawing and the forming of the magnesium alloy sheet material. The die assembly is provided with a hydraulic pressure room, a concave die, a clamping ring, a drawing male die and a heating element. The drawing male die adopts a blocking type composite structure, and comprises a fixed male die and a movable male die moving along a slip way up and down. The movable element in the combined drawing male die improves the deformation sequence and the stressed state of a forming part, to lead the limit of the sheet material to being formed and the rate of finished products to be improved. The invention has the advantages that the availability of material is high, the surface quality of a manufactured product is good, the rigidity is high, the shape and the dimension precision are high, the invention can form a complicated plate part with a digital camera casing and other shapes, in particular to the plate part required to be heated and formed when forming a magnesium alloy plate part; the service life of the die assembly is long, the replacement is simple, and the process and the installation are simple.

The invention discloses a rigid roof cable-dome structure with a circumferential-direction support. The rigid roof cable-dome structure comprises an internal pull ring and an external ring, at least one round of circumferential-direction assembly is arranged between the internal pull ring and the external ring, and the circumferential-direction assembly separates the part between the internal pull ring and the external ring into at least two stages of structures; a plurality of ridge cables arranged in a radial shape in the radial direction are arranged between the internal pull ring and the external ring, one ends of the ridge cables are connected with the internal pull ring, the other ends of the ridge cables are connected with supporting points of the external ring, and the middle of each ridge cable is connected with the upper end portion of the corresponding circumferential-direction assembly; and oblique cables are arranged between the circumferential-direction assembly and the external ring as well as between the circumferential-direction assembly and the internal pull ring correspondingly, if multiple rounds of circumferential-direction assemblies are arranged, oblique cables are arranged between the every two adjacent circumferential-direction assemblies, and the oblique cables are arranged in a radial shape in the radial direction. According to the rigid roof cable-dome structure with the circumferential-direction support, force transferring is direct, the high-strength character of an inhaul cable is brought into full play, the rigid roof cable-dome structure has the advantages of being good in rigidity, good in stability, simple in structure, rapid in construction and the like, meanwhile a rigid roof technology adopted by the rigid roof cable-dome structure is mature, and the cost is relatively low.

Disclosed is a bottomless spherical-crown-shaped part manufacturing method. A current natural single-piece blanking mode is broken through, a combined-cutting processing scheme is adopted, in other words, two products are cut from one blank, material utilization rate is greatly increased, and utilization rate of raw materials is increased from original 1.6% to above 3%. Meanwhile, product quality is guaranteed, and products meeting design requirements are processed. By measurement and calculation, the raw materials are saved by about 45% for a single set of products, in other words, raw material cost is saved by more than 200 thousand RMB. A scheme of two-end bevel cutting off is adopted, so that the problem about bevel cutting off of large-diameter blanks is solved.

The invention discloses a paper shredding blade punching forming machining method. A paper shredding blade comprises a blade body, a mounting hole positioned at the center of the blade body, and a point positioned on the periphery of the blade body. The method comprises the following steps: providing a metal material strap, pressing pre-pressing lines on the metal material strap at an interval of the diameter of the paper shredding blade, so as to ensure that a paper shredding blade forming zone is formed between each two adjacent pre-pressing lines on the metal material strap, punching the paper shredding blades on the paper shredding blade forming zones, ensuring that the paper shredding blades are connected with the metal material strap in positions of the pre-pressing lines, and disconnecting in the positions of the pre-pressing lines, so as to obtain independent paper shredding blades. The method has the advantages of high material utilization and cost saving.

Provided is a thermal insulation material wet molded from short-cut carbon fiber. The thermal insulation material is prepared from the following steps: (1) ingredients: mixing by proportions evenly the short-cut carbon fiber, resin, and dispersant, to obtain the mixture; (2) molding: obtaining the molded, half moist mixture; (3) solidifying: placing the treated mixture from step (2) and the mould into a curing oven to solidify; (4) mold releasing: mold releasing the treated mixture from step (3); (5) carbonizing: carbonizing the treated mixture from step (4):(6) high-temperature purifying: purifying under high temperature the treated mixture from step (5), cooling with the oven to obtain the finished product. The thermal insulation material prepared from present method, has low heat conductivity coefficient and good thermal insulation function. The production cost is low, the preparation process is short, and the material recovery rate is high. The carbon fiber and side wastes of carbon fiber product can be recycled and used, while solving environmental problems economic benefits can be seen.

The invention provides an organic electroluminescent device and a preparation method thereof; the organic electroluminescent device structure comprises the following parts in sequence from bottom to top: a substrate, an anode layer, an organic function layer and a cathode layer; the features are that the organic function layer comprises a cavity injection layer, a cavity transmission layer, a luminescent layer and an electron transmission layer arranged from bottom to top in sequence; the luminescent layer is a mixed structure formed by a main body material doping with an object body luminescent material; the luminescent material has thermal activation delayed fluorescence characteristics, and the doped mass ratio thereof is 1-50%; the cavity injection layer, the cavity transmission layer,the luminescent layer and the electron transmission layer are respectively formed by a wet method technology using a same solvent. The method uses the wet method technology to prepare the thermal activation delayed fluorescence device, thus improving the device efficiency, simplifying the device preparation technology, and reducing the production cost.

The invention provides a latticed lead extrusion damper, which comprises an outer tube, end plate reinforcing plates, end plates, a movable shaft, a fixed shaft, connecting lugs, lead extrusion ports, lead, sealing rings, a movable shaft guide pipe, limiting supports, limiting baffles, a lattice frame, longitudinal lattice plates and transverse lattice plates, wherein the end plate reinforcing plates and the end plates are arranged at the two ends of the outer tube, the sealing rings and the limiting supports are arranged at the two internal ends of the outer tube, the movable shaft is arranged on one internal side and the fixed shaft is arranged on the other internal side and is connected with the end plate; and the lattice frame is arranged between the movable shaft and the outer tube, a plurality of lead extrusion ports are arranged at the middle part of the movable shaft and correspond to transversely cut areas of the lattice frame one to one, and the limiting baffles are respectively arranged on the external sides of the lead extrusion ports (7). The latticed lead extrusion damper has the effects and the advantages that the material utilization ratio is high and the energy consumption effect is good; and the latticed lead extrusion damper is simple to fabricate and install, is convenient to use, and not only can be used for seismic design of newly constructed building engineering, but also can be used for reinforcement and repair of the existing engineering.

The invention relates to a method for manufacturing a disk type motor stator core. The method comprises the following steps that: strip electrical steel is processed into an electrical steel coil strip with certain width; the electrical steel coil strip is arranged on a strip placing disk of a slotting and winding machine tool; the strip placing disk feeds the electrical steel coil strip into a feeding table regularly; the feeding table feeds the electrical steel coil strip into a punching die to punch a slot shape; the electrical steel coil strip punched with the slot shape is wound into a core disk on a wining disk; and the machined core disk is disassembled from the winding disk, then leveled on a tooling table, and welded with a footing to finish the production of a product. Compared with the prior art, the method has the advantages of high material utilization rate, simple equipment and small occupied area.

The invention discloses a high-performance large-size beryllium copper tube preparation method which comprises the following steps: performing ingot casting on beryllium copper, homogenizing treatment on an ingot, drilling, cogging, quenching heat treatment on an extruded and cogged tube blank, surface finishing, rolling, straightening, aging heat treatment, surface passivating treatment, nondestructive inspection, wall thickness measurement and the like. The beryllium copper tube produced by using the process in the invention is good in material yield and material utilization, the tensile strength of the finally obtained beryllium copper tube is between 1,280 MPa and 1,420 MPa, the ductility is between 3% and 5%, the surface hardness is within the scope of HRC38-42, the grain size is between 7micrometers and 10 micrometers, and all the performances are better than various technical indicators of the prior art. The length of the beryllium copper tube machined through the technology is as long as 4,000 mm, and the dimensional accuracy of inner and outer pipe diameters and the tube wall thickness can be controlled to be less than about plus or minus 0.2 mm/m.

The invention relates to a process for preparing metal honeycomb structural components with multi holes. The process adopts a powder metallurgic method and comprises adding binding agent into metal powder or alloy powder, squeezing powder after mixing evenly, sintering pressed compacts in vacuum or protecting environment after drying and removing the binding agent, and thereby the metal honeycomb structural components with multi holes can be prepared. Compared with the prior art, the invention is characterized in that procedures are simple, material utilizing rate is high, technological processes are short, cost is low, mass productions are easy and the like.

The invention discloses an FPC, and aims to provide a multilayer interconnection FPC which is simple in structure, high in material utilization rate and stable in performance. The FPC comprises a mainFPC and an auxiliary FPC. The main FPC is provided with a main output area and a main input area, and the auxiliary FPC is provided with an auxiliary output area and an auxiliary input area. A plurality of main output bonding pads connected with the main FPC circuit are arranged in the main output area. A plurality of main input bonding pads connected with the main FPC circuit are arranged in themain input area. A plurality of auxiliary output bonding pads which are connected with the auxiliary FPC circuit and are in one-to-one correspondence with the main input bonding pads are arranged inthe auxiliary output area, and a plurality of auxiliary input bonding pads which are connected with the auxiliary FPC circuit and are in one-to-one correspondence with the main output bonding pads arearranged in the auxiliary input area. The auxiliary input bonding pad is welded on the main output bonding pad, and the auxiliary output bonding pad is welded on the main input bonding pad. The FPC is applied to the technical field of FPC production.

The invention discloses a machining method of a rotating blade spacer of an axial compressor. In the method, a round bar steel material made of 2Cr13 is adopted for sawing; ring rolling equipment is used for forging to obtain a blank; the blank is successively subjected to rough machining and fine machining of tenon tooth on a CNC lathe to obtain an annular blank; finally, a wire cutting frock is used for carrying out wire cutting on the annular blank to obtain a finished product of spacer; and first article inspection is carried out on the spacer by three coordinates, and qualified products are put in storage. The wire cutting frock comprises a truss with the side surface being a right-angle triangle, the included angle of the upper slope of the truss and the horizontal plane and the installation angel of the spacer are complementary angles, and the upper slope is used for putting the annular blank. The invention combines the characteristics of spacer installation and appearance to design the production method of the spacer, thus simplifying the processing procedures, improving the production efficiency, and increasing the utilization ratio of the forge piece materials toabove 40%. The invention realizes the purpose of energy saving and emission reduction during production and manufacture in the equipment manufacturing industry and obtains the spacer products with favourable identity.

An automotive lower front arm guide pipe processing technology is characterized by including selecting a standard pipe with the internal bore diameter being more than that of a guide pipe by 1-2 millimeters and the external circumferential diameter being more than that of the guide pipe by 2-4 millimeters, using a special extrusion die for extruding the selected standard pipe into a finished product profile, blanking the profile into a short material according to design requirements, subjecting the two ends of the short material to facing and internal bore turning, chamfering and burring so as to obtain the guide pipe. The automotive lower front arm guide pipe processing technology has the advantages of little allowance for machining, high material utilization ratio, low cost and short production period, thereby being high in popularization and application value.

The invention provides a method for recycling a poorly pressed flexible printed circuit (FPC). The method comprises the steps of separation, pressing, anisotropic conductive film (ACF) dissolution and cleaning treatment in sequence, wherein in the step of separation, the FPC and a glass substrate of a liquid crystal display (LCD) are separated by a stripper; in the step of pressing: the stripped FPC is put on the hot ironing board of the stripper again to be heated, connecting fingers of the FPC are pressed and ironed, and cured ACFs are heated and dissolved; in the step of ACF dissolution, the connecting fingers of the FPC are soaked in an ACF removing solution and then taken out to wait for dissolution of the ACFs on the connecting fingers of the FPC; and in the step of cleaning treatment, the connecting fingers of the FPC are wiped with a cleaning agent so as to clean the surfaces of the connecting fingers. The method provided by the invention has the beneficial effects of realizing effective recycle of the poorly pressed FPC, improving the material utilization and lowering the cost.

The invention relates to a photoelectric water heater. The problems that an existing solar photoelectric water heater is low in light energy utilization rate per unit area, large in material consumption and high in cost are solved. The photoelectric water heater comprises a bracket which is provided with a water storage tank, a groove-type light-gathering plate and an energy-gathering pipe, and the groove-type light-gathering plate is arranged towards the sun. The groove-type light-gathering plate is focused to form a line, and the energy-gathering pipe is arranged on the focusing line of the groove-type light-gathering plate. Photovoltaic patches used for generating power are pasted to the outer wall of the side, facing the groove-type light-gathering plate, of the energy-gathering pipe. A storage battery is connected to the photovoltaic patches. The energy-gathering pipe is a hollow pipe. The two ends of the energy-gathering pipe are connected with the water storage tank to form cooling water circulation. According to the photoelectric water heater, the light energy utilization rate is greatly increased, and photoelectric material consumption of the photoelectric water heater is reduced.

The invention relates to a coupler quick to connect and a processing method, and belongs to the field of transmission mechanisms. The coupler comprises a semi-arc-shaped left half coupler and a semi-arc-shaped right half coupler. The left half coupler and the right half coupler are spliced with each other to form the coupler. Connecting lugs are arranged at the upper ends of opposite faces of the left half coupler and the right half coupler respectively. A pin hole I is formed in each connecting lug. By the coupler and the processing method, material utilization rate is increased, materials are saved by twice, processing cost is reduced to a large extent, processing expense is saved by more than 50%, processing position accuracy of the connecting lugs can be accurately guaranteed, and total production cost is reduced by more than 50%.

The invention relates to the technical field of punching processes, in particular to punching and blanking equipment modified based on a layout scheme and an operation method thereof. The punching andblanking equipment modified based on the layout scheme comprises a worktable; support legs are arranged at the bottom of the worktable; a press is fixed on the worktable through a bracket; a punch ofthe press is connected with a blanking convex mold; the worktable is provided with a blanking concave mold corresponding to the blanking convex mold; the bottom of the blanking concave mold is connected with a rotating device; blanking channels are formed in the blanking concave mold and the rotating device; the rotating device is connected with a rotating sleeve; a connecting plate is arranged on the outer surface of the rotating sleeve; an extension cylinder is arranged on the lower surface of the worktable; and a connecting rod is hinged between a piston rod of the extension cylinder and the connecting plate. The equipment can improve the material utilization rate and save the cost.