64results about How to "Reduce processing preparation time" patented technology

The invention provides a self-centering clamping device of a drill press workpiece. The device can realize the self-centering function for a workpiece. The device comprises a connecting base, a workbench rotary disc, a main shaft, a parabola self-centering flower disc, a plurality of connecting rods and a plurality of positioning pawls, wherein the workbench rotary disc can be arranged above the connecting base in a rotary way, the main shaft is fixedly arranged below the middle part of the workbench rotary disc, the parabola self-centering flower disc can be arranged below the workbench rotary disc on the main shaft by a transmission mechanism in a rotary way, arc-shaped gradually slotting grooves are uniformly formed in the parabola self-centering flower disc in the radial direction, the head of one connecting rod is hinged to the end of the other connecting rod, both ends of each of the connecting rods are respectively a first hinging end and a second hinging end, the first hinging ends are respectively hinged to the arc-shaped gradually slotting grooves on the parabola self-centering flower disc, long hinging grooves corresponding to the positions of the peripheral sides of the arc-shaped gradually slotting grooves are respectively formed in the parabola self-centering flower disc, the second hinging ends are respectively hinged to the long hinging grooves in a hinge way, and the positioning pawls are respectively arranged above the second hinging ends of the connecting rods.

The invention provides a large-scale flexible work workshop scheduling optimization method. A large-scale production task is reorganized to be downscaled and then solving and optimization are performed by using the adaptive improved genetic algorithm. The method comprises the following concrete steps that (1) the workpieces of which the processing technology is similar, the workpiece dimension iswithin the same range and the blank material is the same are clustered and grouped for batching so as to reduce the problem solving scale; and (2) the initial parameter of the algorithm is set, the three-layer gene coding technology, the OBX crossover mode and the certain variation strategy are adopted, the crossover length is selected through combination of the simulation experiment and optimization and solving are performed by using the adaptive improved genetic algorithm. According to the method, the problem solving scale can be reduced and the solving speed can be improved; and the workpiece completion time and delay time can be reduced.

The invention discloses a hydraulic driving type multi-station milling fixture. The hydraulic driving type multi-station milling fixture comprises a rectangular base, a hydraulic oil cylinder and a positioning compressing sliding block; a mounting frame is fixedly arranged on one side of the rectangular base, and the hydraulic oil cylinder is fixedly arranged on the mounting frame; a pushing plate is fixedly arranged at the end of a piston rod of the hydraulic oil cylinder; the pushing plate is fixedly connected with the positioning compressing sliding block arranged in a sliding groove in a sliding manner, and at least two first positioning grooves are formed in the upper side of the positioning compressing sliding block; a positioning fixed block is fixedly arranged on the other side of the rectangular base; second positioning grooves which are matched with the first positioning grooves to be used for positioning a T-shaped workpiece to be machined are formed in the upper side of the positioning fixed block; and positioning holes are formed in the position, between the first positioning grooves and the second positioning grooves, of the middle of the rectangular base. The hydraulic driving type multi-station milling fixture has the advantages of being reasonable in design, simple in structure, capable of carrying out multi-station clamping at one time, high in working efficiency, convenient to operate, low in labor intensity, high in automation degree, low in production cost and convenient to use and popularize.

The invention discloses and realizes a real-time anti-collision method weakly associated with a numerical control system for a numerically-controlled machine tool. Three-dimensional real-time processing simulation is carried out by virtue of the numerically-controlled machine tool, a signal of interest is acquired by virtue of an anti-collision system and is processed by adopting a prediction algorithm in a software system, then a virtual numerically-controlled machine tool is driven to carry out simulation, prediction simulation is carried out on wrongful collision or interference appearing in a machining process or when an operator operates the numerically-controlled machine tool and warning is carried out, and a numerical control system stopping signal is returned and the machine tool is protected.

The invention relates to a high velocity and high precision constituting method for collaterally elaborating a tyre mould, comprising the following steps of a concurrence of designing and manufacture processing; a concurrence of designing and material purchasing; a concurrence of technology planning, rough machining and semifinishing; a concurrence of designing and numerical control process programming; and an elaboration for a single piece with high velocity and high precision. The high velocity and high precision constituting method for collaterally elaborating a tyre mould has the advantages of improving an elaborating precision of a product, shortening a delivery date for the mould and reducing the cost, and is suitable for collaterally elaborating the tyre mould with high velocity and high precision.

The invention discloses a machining device and method for a double-layer casing of an aero-engine. The device comprises an end surface gland, a shell, an inner sleeve, movable tensioning blocks, an air bag, a supporting rod, supporting arm nuts, supporting arms, a connecting seat, a ball head guiding rod, an inner hole fixing claw, an outer stand column, a transverse top head and a pressing plate.A turning and milling compound machining method is adopted, when an inner hole and an end surface are turned, the mode that an outer supporting is matched with the air bag for tensioning is adopted,and when an outer boss is milled, the mode that an inner supporting is matched with the air bag for tensioning is adopted; and according to the machining device, the high-quality and high-efficiency machining of the similar thin-wall double-layer casing can be achieved, and it is ensured that the circular degree of the casing meets the requirement.

The invention provides a rapid automotive sheet metal workbench. Transverse supporting beams can move transversely along a main supporting platform. Clamping module sets are arranged at the two ends of each transverse supporting beam. The clamping module sets can move longitudinally along the transverse supporting beams and can rotate horizontally. Movement switching of the transverse supporting beams and the clamping module sets is achieved through spline structures. A traditional positioning and clamping way using bolts for fastening is replaced through the transverse supporting beams and the clamping module sets by means of the self-locking function of lead screws, so that position determination in the horizontal direction is achieved; meanwhile, primary positioning and clamping of an automobile body are completed by means of the dead weight of an automobile. According to the rapid automotive sheet metal workbench, operation is rapid, and the function of correcting light automobile bodies is achieved; a sheet metal part, damaged due to collision, in the automobile body can be stretched and corrected, the workbench can also serve as an auxiliary operation platform for other sheet metal maintenance work, and favorable auxiliary conditions for shorting the process time are provided while the process preparation time is effectively and greatly shortened.

The invention discloses a dynamic refrigerator refrigeration performance testing system. The dynamic refrigerator refrigeration performance testing system is characterized in that a lower computer and a testing tool of the testing system and a refrigerator to be tested move on a production line together, a collector simultaneously collects setup parameters so as to obtain test data, the test data are sent to an upper computer in a wireless transmission manner, and the upper computer analyzes the test data according to a set technological program so as to judge the performance of the refrigerator. As adopting a multi-condition comprehensive judgment model, the testing system can judge the performance of the refrigerator more exactly, and is better adaptive to product performance tests of different refrigerators.

The invention discloses a double-station connecting rod hole milling and pressing device and a hydraulic system thereof. The device comprises a frame and an inclined surface slide rod, wherein a T-shaped pressure plate is arranged in the middle of the frame; a positioning block 1 and a positioning block 2 are symmetrically arranged at the upper side of the frame; a V-shaped push head 1 and a V-shaped push head 2 are symmetrically mounted at the two ends of the upper side of the frame; a roller frame is fixed and mounted at the lower end of the T-shaped pressure plate; a roller is rotationally mounted on the roller frame; the end of the inclined surface slide rod is fixedly connected with the end of a piston rod of a hydraulic cylinder; a rodless cavity and a rod cavity of the hydraulic cylinder are respectively communicated with a first working port and a second working port of a reversing valve; a third working port of the reversing valve is communicated with an oil tank; and a fourth working port of the reversing valve is communicated with an oil outlet of a hydraulic pump. The device has the characteristics of reasonable design, high processing precision, capability of performing double-station clamping by one time, high production efficiency, simplicity and convenience for operation, high automation degree and low labor intensity.

The invention discloses an aligning device and method for glass processing. The aligning device for glass processing comprises a supporting unit, a moving unit, a regulating unit and a processing unit; the supporting unit is used for supporting a raw glass sheet; the regulating unit and the moving unit are arranged on the supporting unit; the moving unit is used for moving the raw glass sheet on a fixed position; the regulating unit is used for detecting and regulating the position of the raw glass sheet; the processing unit is connected with the regulating unit by data and is used for controlling the regulating unit; and the regulating unit comprises a regulating device which is used for detecting and regulating the position of the raw glass sheet. According to the aligning device, the position of the raw glass sheet is located by the moving unit and the regulating unit, and the center position of the raw glass sheet is arranged on a center position of a table top, so that the processing unit is not needed to be repeatedly located before processing, an the processing setup time is shortened.

The invention discloses a machining device for a deep-hole high-precision sealing surface. The machining device of the deep-hole high-precision sealing surface comprises a sleeve and a pin rod, wherein the sleeve is T-shaped; a cylinder which protrudes outwards is formed in the centre of the bottom surface of the sleeve; the size of the outside diameter of the cylinder is adapted to that of the inside diameter of a deep hole to be machined; two mounting holes which are symmetrical with the cylinder are formed in the bottom surface; the size of the diameter of the pin rod is adapted to that ofthe inside diameter of the cylinder; knurls are formed along the outer wall of the upper end of the pin rod; a lug boss is formed at the lower end of the pin rod; the size of the countertop of the lugboss is adapted to that of a sealing surface with the deep hole to be machined; the countertop of the lug boss is a grinding surface; after the sealing surface is machined by using the machining device, the hole machining deformation of a part is greatly improved; the part yield is improved; the machining preparation time is greatly shortened, and meanwhile, the size precision is greatly improved; the technical requirement of 100 percent coloring of an end surface of the part can be met; the machining device can be popularized and applied to the machining of parts of the same type of other machine models; and the machining performance of a casing is improved.

The invention relates to a technology for electrocoppering, and belongs to the field of semiconductor preparation. The technology for electrocoppering comprises the specific steps that sedimentation is conducted on an etching stop layer; an insulating layer is arranged on the etching stop layer; a wiring trough is manufactured in the insulating layer; metallic copper is arranged in the wiring trough; the metallic copper forms a copper wire along the wiring trough; quick cooling is conducted in the low-temperature environment; electroplating is conducted on the metal copper wire after cooling to a certain temperature; polishing and cleaning treatment are conducted after surface polishing is finished. The technology for electrocoppering has the advantages that fixing and nature determination are conducted on the wire by using the low-temperature environment, polishing and forming in the following step are convenient, the low-temperature environment contributes to wire forming, the time on technological preparation can be reduced, and the working efficiency is improved greatly.

The invention provides a welding positioning auxiliary device. The welding positioning auxiliary device comprises a welding platform, a first moving shaft movably arranged relative to the welding platform in a first preset direction so as to limit a workpiece positioned on the welding platform, a second moving shaft movably arranged relative to the welding platform in a second preset direction soas to limit the workpiece positioned on the welding platform, and a pressing member, wherein at least part of the pressing member is movably arranged in a third preset direction relative to the welding platform so as to press the workpiece on the welding platform; and any two of the first preset direction, the second preset direction and the third preset direction are arranged perpendicular to each other. Through the arrangement, the problem that a welding positioning mode in the prior art is low in efficiency is solved.

The invention discloses a part fast hole drilling and thread tapping clamp, which comprises a clamp body, wherein one end of the clamp body is provided with a first installing and clamping hole for carrying out hole drilling processing on a part; a positioning core is arranged in the first installing and clamping hole; the positioning core is arranged on the clamp body through a connecting and fixing component; a first processing hole communicated with the first installing and clamping hole is formed in the clamp body; a second installing and clamping hole used for carrying out thread tapping processing on the part is formed in the clamp body and at one side of the first installing and clamping hole; a second processing hole used for being communicated with the second installing and clamping hole is formed in the clamp body. The part fast hole drilling and thread tapping clamp has the advantages that the part hole drilling and the thread tapping installing and clamping can be integrated onto one clamp, and the installing and the clamping are convenient and fast; in addition, after the hole drilling completion, the thread tapping without tooling replacement can be realized after the hole drilling is completed, the processing preparation time is shortened, and the processing cost is saved.

The invention discloses a hardware part machining tool for the field of mechanical engineering, and relates to the technical field of mechanical engineering. The hardware part machining machine tool for the field of mechanical engineering comprises a machine tool body, a rotary clamping mechanism, a transmission mechanism, an auxiliary clamping mechanism and a circulating flushing mechanism are arranged on the machine tool body, a mounting frame is welded to the outer surface of the bottom of the machine tool body, and an electric push rod is welded to the bottom of the inner side of the mounting frame; and a bearing table is welded to the free end of the electric push rod, a guide rail is welded to the outer surface of the top of the bearing table, a sliding base is slidably installed onthe guide rail, and a machining cutter is welded to the outer surface of the top of the sliding base. According to the hardware part machining machine tool for the field of mechanical engineering, repeated workpiece clamping operation is not needed, the labor intensity of operators is relieved, the machining preparation time is shortened, and the production and machining efficiency is improved; and compared with a machining machine tool which does not facilitate continuous operation, the machine tool is higher in practicability and higher in integrality.

The invention discloses a machining device for space deep inclined holes in a large wind power box, wherein the machining device is low in input-output ratio. A connecting positioning plate is connected with the large wind power box, and the inclined face at one corner of the connecting positioning plate corresponds to the inner circular-arc face of the periphery of the mounting face on the largewind power box. The face, facing the large wind power box, of the connecting positioning plate is the positioning face. A guiding positioning plate comprises a transition part and a guiding part whichis flush with the upper surface of the transition part to form the guiding positioning face provided with a magnetic electric drill. Corresponding corners corresponding to the inclined corners of thefirst space deep inclined hole and the second space deep inclined hole in the large wind power box are formed between the guiding positioning face and the positioning face on the connecting positioning plate. A first guiding hole and a second guiding hole which correspond to the first space deep inclined hole and the second space deep inclined hole correspondingly are formed in the guiding part.Two linings are assembled in the first guiding hole and the second guiding hole in an interference mode correspondingly, and a deep hole quick-changing drill bushing and a screw hole quick-changing drill bushing are in clearance fit with the two linings correspondingly. The hole diameters of the deep hole quick-changing drill bushing and the screw hole quick-changing drill bushing are slightly larger than the outer diameter of a drill bit of the magnetic electric drill.

The invention belongs to the technical field of precision machining of servo parts, and particularly relates to a milling rapid reloading fixture for servo valve shell parts. According to the millingrapid reloading fixture for servo valve shell parts, a base frame is fixedly connected with a machine table through a positioning key and a positioning shaft; a connecting block II is fixedly connected with a groove in the middle of the base frame; series positioning blocks are installed on bosses on two sides of the groove in the middle of the base frame, and cross-shaped convex grooves in the bottom ends of the series positioning blocks are engaged with grooves in the bosses of the base frame for positioning and fixedly connected with the grooves; connecting blocks I are fixedly installed ingrooves in the two ends of the base frame; the connecting blocks I and the connecting block II are provided with T-shaped grooves, and T-shaped nuts are installed in the T-shaped grooves; and the connecting blocks I are fixedly connected with series supporting nails, and series pressing plates are fixedly installed on the series supporting nails. By means of the milling rapid reloading fixture for servo valve shell parts, the same class of parts can be machined through only one basic fixture, the machining preparation time is shortened, and operation efficiency is improved.