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88results about How to "Will not cause scrap" patented technology

Full-automatic PCB laser coding machine with sorting function, method and system

The invention provides a full-automatic PCB laser coding machine with a sorting function. The full-automatic PCB laser coding machine comprises a module mechanism, a track conveying mechanism, a lasercoding optical mechanism, a CCD visual positioning, code scanning and detecting mechanism, a PCB sensor and a control mechanism. The module mechanism can move in the horizontal direction, and movement of the module mechanism enables the laser coding optical mechanism and a CCD camera to synchronously move, enables the laser coding optical mechanism to move to the position above a PCB coding position, and enables the CCD camera to move to a PCB mark position or a position above the PCB coding position. The control mechanism responds to generate a warning signal when code reading results fed back by the camera are unqualified. According to the full-automatic PCB laser coding machine with the sorting function, a method and a system, the CCD visual positioning, code scanning and detecting mechanism automatically positions the coding position, after coding through the laser coding optical mechanism is completed, the CCD visual positioning, code scanning and detecting mechanism conducts code scanning and detecting, and the situation that the entire batch of products are scrapped due to the fact that PCB products coded badly are put in storage is avoided.
Owner:苏州市长峰激光技术有限公司

Numerical control milling method for micro threaded holes of titanium alloy

The invention relates to a numerical control milling method for micro threaded holes of titanium alloy. The method comprises the specific machining operation steps of replacing a traditional manual tapping method for the titanium alloy with numerical control machining to improve the quality and efficiency of threads, selecting a threaded tool made of hard alloy to ensure high efficiency and batch production of part machining, and selecting a reasonable technical machining method to ensure specification consistency of the threads, circumferential stress uniformity during threaded milling and prevent the tool from being broken. The numerical control milling method is suitable for the micro threaded holes, with the machining range smaller than M3 and the length-diameter ratio higher than 2.5, of the titanium alloy, and the bottleneck problem of tapping of the micro threaded holes, with the large-length-diameter ratio, of the titanium alloy is solved successfully. Meanwhile, drilling and tapping are completed jointly, efficiency is improved by 6-8 times, the grade of precision of the threads of the holes and specification consistency of the threaded holes are improved, and the machining requirement for high precision of titanium alloy parts can be met.
Owner:中国船舶重工集团公司第七〇七研究所

Self-positioning construction unit plate

The invention relates to a self-positioning construction unit plate, and solves problems such as complicated processing and difficult adjustment of existing spliced plates. The plate comprises a surface material and assembly components used for assembling adjacent surface materials. The invention has the technical points that: the surface material adopts a construction-use filling-type thermal-insulation load-bearing composite plate material; the assembly components comprise hitch devices composed of eccentric hook assemblies arranged in supporting frame blind hole hook slots of the surface material and U-shaped bolts arranged in supporting frame arc slots of an adjacent surface material, and self-positioning devices composed of positioning pins fixed on the surface material supporting frame and positioning holes provided on the supporting frame of an adjacent surface material; and with the hitching of the movable hooks and the U-shaped bolts of the hitch device, and with the cooperation of the positioning pins and the positioning holes of the self-positioning device, adjacent surface materials can be accurately spliced. The plate provided by the invention has reasonable structural design, and assists in realizing standardized production. Plate assembly and positioning are simple and fast, and self-positioning connection can be realized. Adjustment, transportation, and moving are convenient, such that construction quality and working efficiency are substantially improved.
Owner:SHENYANG THRIVE INDALIZED HOUSING

Processing method of mill housing

InactiveCN103223570AImprove processing efficiencyScrap rate is zeroEngineeringMachine tool
The invention discloses a processing method of a milling housing. A first plum blossom hole is formed in the housing and formed through cutting machining and abrasive machining on a housing substrate. The processing method is characterized in that during the cutting, the empirical formula of a cutting speed is as follows: V=3.14*D*n*eta<2>/1000, wherein V represents the cutting speed with a unit of m/min; n represents the revolving speed of a machine tool spindle with a unit of rpm; D represents a cutting radius ranging from 260mm to 360mm; eta<2> is a coefficient ranging from 0.05 to 0.08; the smaller the difference between the size of the plum blossom hole and a design value is, the larger the value of the plum blossom hole is; and otherwise, the value of the plum blossom hole is smaller. By means of the processing method of the mill housing, the mill housing which meets the accuracy requirement can be processed. According to the processing method, the dimensional tolerance of diagonal plum blossom holes of the mill housing are smaller than or equal to 0.01mm, the total tolerance is smaller than or equal to 0.02mm, and the straightness of each hole is smaller than or equal to 0.01mm. With the adoption of the method for processing the housing, under the condition that smooth and efficient processing is guaranteed, the housing substrate cannot be scrapped, and the scrappage rate is zero under the condition that the processing efficiency is improved by over 20%.
Owner:上海山弈冶金技术有限公司

Split-type wrenching-type preservation box

The invention relates to a split-type wrenching-type preservation box, comprising a box body and a box cover, wherein a fixed slot is arranged below the box cover, the fixed slot is provided with a seal ring, and the seal ring is sealed with the opening of the box body. The split-type wrenching-type preservation box is characterized in that the outer wall of the box body is provided with a connection block, the connection block is provided with a connecting slot, the connecting slot is internally provided with a wrench, the two ends of the wrench are provided with blocking tenons, the blocking tenons are movably connected with the connecting slot in the connection block, the wrench is provided with a clip, the box cover is provided with a fixed side, and the clip of the wrench is clamped and matched with the fixed side. The outer side of the box body is provided with the connection block, the connection block is provided with the connecting slot, the connecting slot and the wrench are connected, the wrench is independently injected and moulded, the two ends of the wrench are provided with the blocking tenons, and the wrench is arranged in the connecting slot of the box body by virtue of the blocking tenons, thus mounting is convenient, the generality is good, the blocking tenons and the connecting slot are connected in a rotating way by virtue of spindle and can not rebound or slip off, the influence of repeated rotation is avoided, the service life is long, the wrench and the box body or box cover are in a split structure, a die is easy to make, a demoulding mechanism is simple, the rejection rate is low, and the production efficiency is high.
Owner:张胜伟

Small high-density multi-core optical fiber connector

The invention relates to a small high-density multi-core optical fiber connector. A plurality of contact pin parts are arranged in a spline shell of a plug, contact pin pressing plates are arranged on the tail portions of the contact pin parts, springs are arranged between the contact pin parts and the contact pin pressing plates, a fastening nut is arranged at the tail of the spline shell, and the fastening nut tightly ejects the contact pin pressing plates through a rear ejector sleeve. A metal shell of a socket is installed in an outer shell, each cavity of the metal shell is provided with a ceramic bushing, contact pin pieces are arranged in the ceramic bushings, ceramic bushing pressing plates are installed on the tail portions of the ceramic bushings, and a tail nut tightly ejects the ceramic bushing pressing plates through a contact pin ejector plate. The optical fiber connector is small in size and high in integration level, and can be used in small space. A viscose structure is not arranged inside a shell of the optical fiber connector, so that the optical fiber connector is convenient to disassemble, the whole internal structure can be taken out only by disassembling the tail of the optical fiber connector in the maintenance process, if some parts are damaged, only the damaged parts need to be replaced, other parts cannot be scraped, and therefore maintenance cost is low.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD

Primary-gear-gearing-down compact-type mid-motor

The invention discloses a primary-gear-gearing-down compact-type mid-motor. The primary-gear-gearing-down compact-type mid-motor comprises a shell, a motor body, a clutch, a gear reducing mechanism, acenter shaft and a chain wheel, wherein the motor body comprises a stator, a rotor and a core shaft; the center shaft penetrates through shaft holes in the two ends of the shell, supporting and positioning are carried out through center shaft bearings arranged in the shell, and the core shaft and the center shaft are parallelly arranged; the primary-gear-gearing-down compact-type mid-motor is characterized in that the shell is formed by buckling and fixing a motor front cover and a motor back cover, the motor body is of an outer-rotor inner-stator structure, the gear reducing mechanism comprises a small gear fixed or integrally arranged on the core shaft and a large gear engaged with the small gear, an inner ring of the large gear and an outer ring of the clutch are fixed or integrally formed, an inner ring of the clutch is installed on the center shaft through a clutch bearing, and a chain-wheel positioning sleeve extending out of the shaft holes of the shell is integrally formed atthe front end of the inner ring of the clutch to fix the chain wheel. The motor structure is more compact, smaller in size and much less in part, and is particularly suitable for an electric bicycle with the small motor design power, and the production cost can be greatly saved.
Owner:SUZHOU SHENGYI MOTOR

Voltage transformer with elbow plug

The invention provides a voltage transformer with an elbow plug. An independent fuse seat is integrally arranged at the top of a cable socket; a fuse cavity accommodating a fuse protector is arranged in the fuse seat; an open end of the fuse cavity and the cable socket are located at the same side; an embedded part is arranged at the tail end of the fuse cavity; a detachable fixed plate is arranged at the open end of the fuse cavity; the fuse protector is arranged between the embedded part and the fixed plate; one end of the fuse protector is propped against a spring; the fuse protector is electrically connected with the embedded part and the fixed plate; a primary terminal is embedded into the cable socket; a primary conductive rod is arranged on an elbow cable plug; and when the elbow cable plug is inserted into the cable socket, the primary conductive rod is electrically connected with the primary terminal through a pressure spring and the primary terminal is connected with a primary coil through the fuse protector of the fuse cavity. When the fuse protector is replaced, the complicated process of disassembling and assembling the plug is avoided, the operation is simple and convenient, the work efficiency is improved, a lot of replacement time is shortened and the voltage transformer has very high popularization and application value.
Owner:ZHEJIANG HORIZON INSTR TRANSFORMERS

End face superfinishing machine

An end face superfinishing machine comprises a rack and a worktable. The worktable is provided with a lower center, an abrasive belt guide rail, an abrasive belt lower clamping plate, an abrasive belt longitudinal driving mechanism, a stand frame, a center guide rail, a center sliding table and a center vertical moving driving mechanism, and the abrasive belt lower clamping plate is provided with a lower U-shaped groove. An abrasive belt upper clamping plate is arranged above the abrasive belt lower clamping plate, and the abrasive belt upper clamping plate is provided with an upper U-shpaed groove. An abrasive belt is arranged between the abrasive belt upper clamping plate and the abrasive belt lower clamping plate in a penetrating mode and provided with a plurality of notches, and the abrasive belt upper clamping plate is further provided with an abrasive belt locking device. The center sliding table is provided with an upper center. A swing sleeve is rotationally installed outside the upper center and internally provided with a fixing hole, and a swing driving mechanism is further arranged outside the swing sleeve. The end face superfinishing machine has the advantages that the end face superfinishing machine is simple and compact in structure, convenient to operate and stable and reliable in overall operation; due to the fact that the abrasion belt is low in hardness and has few impurities, the polishing precision is high, and scraps of step type centrifugal type shaft parts can be avoided.
Owner:宁波华表机械制造有限公司

Refrigerating chamber heat-exchange refrigerator integration all-in-one machine and working method thereof

ActiveCN106871537AThe purpose of creating high-efficiency and energy-savingChange using a single functionLighting and heating apparatusDomestic refrigeratorsIceboxCool storage
The invention relates to a refrigerating chamber heat-exchange refrigerator integration all-in-one machine and a working method thereof. The refrigerating chamber heat-exchange refrigerator integration all-in-one machine is characterized by comprising a refrigerator body, and a compressor, a water tank condenser, a heat-insulation condenser, a freezing evaporator and a refrigeration evaporator sequentially connected and arranged at the back face of the refrigerator body. a heat-insulation chamber, a freezing chamber and a refrigeration chamber are arranged in the refrigerator body from top to bottom; a water tank and a heat-insulation cavity are arranged in the heat-insulation chamber; the water tank condenser covers the lower surface of the water tank; the heat-insulation condenser is arranged at the wall face of the heat-insulation cavity; the freezing evaporator is arranged in the freezing chamber; the refrigeration evaporator is arranged in the refrigeration chamber; a heat absorption fin is arranged at the back face of the refrigeration evaporator; and a first air inlet and a first air outlet are formed in positions, directly facing the heat absorption fin, on the refrigerator body. The refrigerating chamber heat-exchange refrigerator integration all-in-one machine provided by the invention is simple in structure and reasonable in design, integrates hot water, heat insulation and refrigeration into a whole, and is convenient to use.
Owner:黄安东

Heating device for blade of circle shear

The invention discloses a heating device for a blade of a circle shear. The heating device can be used for heating the blade of the circle shear, and the blade of the shear is heated to expand according to the expansion and contraction principle, so that the blade of the shear is convenient to replace. The heating device comprises a heating box, wherein the heating box is provided with an inner cavity, a bracket is arranged on the bottom surface of the inner cavity of the heating box, electric resistance heating pieces are arranged on the inner wall of the inner cavity of the heating box or both on the inner wall and on the top surface of the inner cavity of the heating box, a shear blade inlet is formed in the heating box, the shear blade inlet is provided with an openable door used for closing the shear blade inlet, a power switch is arranged on the outer surface of the heating box, and the electric resistance heating pieces are connected with the power switch. By the adoption of the heating device, the workload can be lightened, the shear blade replacement time is shortened, working efficiency is improved, and a traditional shear blade replacement method is changed; meanwhile, the blade of the shear can be evenly heated during heating, and thus the situation that the blade of the shear is scraped due to deformation caused by heating is avoided.
Owner:PANGANG GRP XICHANG STEEL & VANADIUM CO LTD

Positioning device for processing of motor magnetic sheets

The invention discloses a positioning device for processing of motor magnetic sheets. The positioning device is mounted on a workbench and comprises a lower support, an upper support and a processing plate. The lower support is of a square grooved structure and comprises a bottom plate, a first side board and a second side board; the first side board and the second side board are formed on two sides of the bottom plate integrally. The upper support is of a rectangular block structure. The upper support is fixedly connected with the lower support. The back end surface of the upper support is parallel to the internal side surfaces of the first side board and the second side board of the lower support, and is provided with clamp slots at intervals along the left to right direction. The processing plate is of a cuboid structure disposed in the square groove of the lower support; the front side surface and the back side surface of the processing plate are parallel with the internal side surfaces of the first side board and the second side board; the vertical height of the processing plate is not higher than the height of the first side board; the front side surface of the processing plate is abutted against the first side board. By the positioning device, the motor magnetic sheets can be positioned on the processing plate accurately; the products have high precision, scrap is avoided, resources are saved, and production cost is reduced.
Owner:徐州给力磁业有限公司
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