163results about How to "Processing time is short" patented technology

The invention discloses a method for forming metal mobile phone shells, and relates to the technical field of mobile phones. The method for forming the metal mobile phone shells includes stamping and bending metal plates to obtain integral outlines of the integrated mobile phone shells so as to obtain initial blank products; carrying out CNC (computer numerical control) machining on the initial blank products to obtain semi-finished products of the metal mobile phone shells; carrying out post-processing on the semi-finished products of the metal mobile phone shells to obtain the metal mobile phone shells. Arc structures are arranged between the side walls and the bottom walls of the integral outlines of the integrated mobile phone shells. CNC machining procedures include (1), milling off burrs on redundant thickness-size sides of the bottom walls and the side walls of the initial blank products under the CNC; (2), inwardly milling the outer walls of arc corners between the side walls and the bottom walls of the initial blank products under the CNC to obtain step structures and respectively forming C-angle edges at the step structures; (3), finely milling the C-angle edges of the step structures under the CNC. The C-angle edges are close to the bottom walls and the side walls of the initial blank products. The method has the advantages that a stamping forming procedure and a CNC machining procedure are combined with each other, so that the metal mobile phone shells can be formed, and the method is stable in process, high in machining precision and production efficiency, short in machining elapsed time and low in production cost.

A full-automatic vertical-horizontal multi-cutter combined edge cutting machine comprises a longitudinal deckle machine, a transverse board cutting machine and an automatic controller, and is characterized in that the longitudinal deckle machine forms an automatic production line with the transverse board cutting machine through a two-speed intermediate conveyor of an embedded overrunning clutch. At least two independent longitudinal deckle machine power heads are transversely arranged abreast on a main frame crossbeam above a board conveying belt of the longitudinal deckle machine. A lifting conveying belt and a board transverse-cutting upright device are disposed on a frame of the transverse board cutting machine, at least two independent transverse board cutting machine power heads are longitudinally arranged abreast on a fixed operating table, and the independent longitudinal deckle machine power heads and the independent transverse board cutting machine power heads are structurally identical and all provided with structurally identical independent cutter power head transverse adjustment devices and identical independent cutter power head height adjusting devices. The multi-cutter longitudinal cutting and transverse cutting automatic production line is accurate, continuous and efficient, the full-automatic vertical-horizontal multi-cutter combined edge cutting machine is high in efficiency, low in cost, high in quality and yield, and labor intensity is relieved for operators.

The invention relates to a device and method for improving die attaching performance of an electromagnetic formed workpiece. One or more magnetism collector devices are additionally arranged at the outer portion of a drive coil; and under the situation that a coil structure is not changed, magnetism collectors are used for transmitting coil energy to an area where approaching workpiece die attaching is difficult, distribution of electromagnetic force is changed, electromagnetic force in the area where die attaching is difficult is increased, seamless die attaching can be achieved for the metal workpiece, and the forming precision is improved. On the other hand, under the situation that the coil is not replaced, forming of different workpieces is achieved by replacing the different magnetism collector devices, and the flexibility of the device can be greatly improved. Due to the fact that the magnetism collectors are simple in structure, the machining period is short, the material is generally the most common copper, and the price is relatively low; and compared with coil replacement, magnetism collector replacement is more flexible, and cost is lower.

The invention relates to full-automatic single crystal silicon rod cutting and grinding combined processing integrated equipment and an using method thereof, and the invention provides the full-automatic single crystal silicon rod cutting and grinding combined processing integrated equipment, which can process a round rod into a square rod by integrated processing of square cutting, corner grinding and surface grinding, so that the problems in the prior art can be solved effectively; the type and quantity of the equipment can be reduced, the area of a plant, the labor and logistics cost can besaved when the processing efficiency of the silicon rod is improved, the processing cost of the silicon rod is reduced and the size precision of the crystal rod is improved. The invention can make asquare cutting assembly and a grinding assembly work independently without interference, and the processing efficiency is improved; in addition, a square cutting grinding power head adopts a symmetrical layout, meanwhile double-sided machining is carried out, so the processing efficiency is doubled.

The invention discloses a processing method of high-hardness rolls, comprising the following steps: (1) the roll with the hardness of 86HSD to 99HSD is placed on a lathe, a CBN polycrystalline blade is used as a lathe tool for carrying out rough machining to the roll at the cutting speed of 50 to 90m/min, the feed amount is 0.7 to 1.2mm/r, and the cutting depth is 0.5 to 1.5mm; (2) the CBN polycrystalline blade is used as the lathe tool for carrying out semifinishing machining to the roll at the cutting speed of 100 to 180m/min, the feed amount is 0.35 to 0.5mm/r, and the cutting depth is 0.2 to 0.5mm; and (3) the CBN polycrystalline blade is used as the lathe tool for carrying out finishing machining to the roll at the cutting speed of 200 to 250m/min, the feed amount is 0.15 to 0.3mm/r, and the cutting depth is 0.1 to 0.5mm. The method has short processing time, high efficiency and low cost.

The invention provides a comprehensive scheduling method based on a Dijkstra algorithm, and the method comprises the steps: extracting the processing time of each process according to the natural attribute of a complex product process, and carrying out the path assignment of all processes; calculating a layer priority, an equipment priority and a process constraint degree of each process; according to a Dijkstra algorithm, respectively calculating path values from the root node process to all other processes; and according to the path value judgment strategy, the layer priority judgment strategy and the leaf node process judgment strategy, reversely scheduling each process according to the shortest path principle. The method provided by the invention provides a new method for solving comprehensive scheduling of general complex products, expands thinking for further deep research on comprehensive scheduling, and has certain theoretical and practical significance.

The invention discloses a superheated steam processing method of a convenient preserved meat dish. The method comprises the following steps of: placing raw materials in a superheated steam device; heating the raw materials for 3-10 min under the conditions that the upper fire temperature is 120-150 degrees, the lower fire temperature is 130-160 degrees and the superheated steam temperature is 120-180 degrees to obtain the convenient preserved meat dish, wherein the raw materials include preserved meat slices and blanched dehydrated green beans. The invention also discloses the convenient preserved meat dish. The convenient preserved meat dish is cooked by using the superheated steam, the time consumption for processing is short, the method is simple and convenient; a finished product of the convenient preserved meat dish has the characteristics of bright color, rich meat fragrance, lubrication and refreshing, rich nutrition, convenience for eating and the like, and is especially suitable for being eaten together with rice. A processing technique of the method is normative and scientific and convenient for mechanical operation; according to the method of the product, the raw materials are precooked, the precooked raw materials are pickled by sauce and the pickled raw materials are cooked by the superheated steam, the qualitative and quantitative standardized production can be realized, the quality consistency of preserved meat dishes is kept, and the method can be applied to central kitchen type industrial production.

The invention discloses a modern big-pot brewing method of duck-blood glutinous rice and gingko low-alcohol yellow rice wine, and belongs to the technical field of food processing. The modern big-pot brewing method comprises the following steps: polished round-grained rice is taken as the base stock, and mixed with duck-blood glutinous rice and gingko, so that the contents of such active substances as biochrome and ginkgolides in the final yellow rice wine product can be improved; high-temperature alpha-amylase and saccharifying enzyme are respectively adopted for two-step enzymolysis; the raw materials subjected to enzymatic saccharification are mixed with a saccharomyces cerevisiae Chinese yeast for fermentation; after main fermentation, Galactomyces geotrichum KG-1 is added for further fermentation and low-temperature maturation; squeezing, filtering clarification, sterilization and filling are performed to obtain the duck-blood glutinous rice and gingko low-alcohol yellow rice wine. The modern big-pot brewing method for the duck-blood glutinous rice and gingko low-alcohol yellow rice wine has the benefits that as the raw-material high-temperature enzymolysis soaking process is adopted, the processing time is remarkably shortened; as Galactomyces geotrichum KG-1 participates in fermentation of the yellow rice wine, the product alcoholic strength is low, the taste is mellow and refreshing, and the health-care function is enhanced.

The invention discloses heat-clearing pear powder and a preparation method thereof. The heat-clearing pear powder is prepared from the raw materials in parts by mass as follows: 40-45 parts of pear powder, 5-10 parts of sugarcane powder, 10-20 parts of lotus root starch, 5-10 parts of mint powder, 10-20 parts of wolfberry powder, 10-15 parts of jasmine tea powder and 3-8 parts of white sugar. The heat-clearing pear powder is formed by composition of multiple raw materials and does not contain any additive, the prepared heat-clearing pear powder is fragrant in taste, sweet and tasty and has effects of clearing heat, quenching thirst, moistening the lung, cooling the heart, removing heat for treating the head and the like. According to the heat-clearing pear powder, nutrition ingredients and flavors of the raw materials are preserved as much as possible during processing, the vacuum low-temperature drying is adopted, the temperature is low, the time is short, the loss of heat-sensitive ingredients in the raw materials is small, and particularly, the preserving rate of Vc in the compound pear powder is high.

The invention discloses a vertical overturning carrier device. The vertical overturning carrier device comprises a machine base, a power mechanism and a carrier mechanism. The power mechanism is provided with a motor positioned and mounted on the machine base. The carrier mechanism is provided with a mounting plate and multiple carriers. The mounting plate is positioned and connected to a power output shaft of the motor. Each carrier is provided with a carrying plate positioned and mounted on the mounting plate, a carrying base positioned and mounted on the carrying plate and used for containing products, and at least two clamping blocks movably mounted on the carrying plate, wherein the at least two clamping blocks can synchronously draw close to each other and keep away from each other relative to the carrying base in order to clamp and loosen the products. In addition, when the motor drives the mounting plate to rotate, the multiple carrying plates can have horizontal states and vertical states through rotation of the mounting plate, and when one carrying plate is in the horizontal state, at least one of the remaining carrying plates is in the vertical state. By means of the vertical overturning carrier device, the products can be vertically overturned at high speed, high precision and high stability.

The invention relates to a machining device for a U-shaped metal part. The machining device comprises a machining seat and a push block. A machining cavity is formed in the machining seat, and an inlet and outlet opening is formed in the position, opposite to the push block, of the machining cavity. The push block is provided with a drive mechanism for linearly pushing the push block into the machining cavity. The end, facing the inlet, of the push block serves as a push end for pushing a linear metal part into the machining cavity, and an initial machining part, a side edge shaping part and a bending shaping part are sequentially arranged in the machining cavity along the moving track of the push block. According to the machining device for the U-shaped metal part with the scheme, one-time molding is achieved, and production efficiency is high.

The invention belongs to the technical field of forging of flanges and particularly relates to a process for forging and forming welding neck flanges for connecting pipelines. The process comprises the following steps: blanking, heating, preforming, forming and punching. An intermediate frequency furnace is used for heating blanks; the blanks are firstly preformed and upset into cake shapes afterbeing heated, and then the upset blanks are inversely placed into a forming die and are closed and formed; in the preforming process, a 1000T electric screw press is used for preforming and upsettingcylindrical blanks; then a neck part of a 2500T electric screw press forming die is filled by a punch; and 315T closed single-point punching is used for cutting off the connected skin and blanking. The process has the beneficial effects that accurate discharging is achieved after allowance is added to the finished product; the sizes of the forged products are uniform and controllable; stable batchproduction is realized; the production efficiency is improved; in addition, the effects of saving the cost and reducing the time consumption are achieved; and the the economic benefit is increased.

The invention discloses a partition assembly of an exhibition room. The assembly comprises a plurality of integral wall boards and connecting columns for connecting the integral wall boards. The connecting columns comprise an L-shaped connecting column, a cross-shaped connecting column, a T-shaped connecting column, a 135-degree connecting column and a straight line connecting column; connecting grooves are formed in two sides of each of the integral wall boards; bosses which are consistent with the connecting grooves of the integral wall boards in width and thickness are formed in the previous four connecting columns, and the width of the side face, provided with the bosses, of the previous four connecting columns is consistent with the thickness of the integral wall boards; the width of the straight line connecting column is consistent with that of the connecting groove of the integral wall board, and the thickness of the straight line connecting column is twice as much as the depth of the connecting groove of the integral wall board. The combined partition disclosed by the invention is small in gap, more attractive in appearance, easy to process, short in processing period, good in consistency, relatively light in weight and stable and reliable in structure.

The invention belongs to the field of numerical control machine tool error compensation, and discloses a numerical control machine tool thermal error self-adaptive compensation method, which comprises the following steps of: obtaining a thermal error of a feed shaft and a corresponding key point temperature by adopting a laser interferometer and a temperature sensor according to a specific measurement mode; establishing a thermal error prediction model of the lead screw under the excitation of the multi-time-varying dynamic heat source; automatically identifying thermal characteristic parameters in the temperature field prediction model by adopting an interior point method; establishing an adaptive adjustment model for a friction heat generation coefficient Q in the thermal error prediction model under the excitation of the multi-time-varying dynamic heat source; providing a thermal error self-adaptive compensation method capable of correcting the friction heat generation coefficient Q in real time by considering the short-term friction characteristic change of the lead screw nut pair; and finally, compensating the thermal error of the machine tool through a thermal error compensation system. The numerical control machine tool thermal error self-adaptive compensation method is high in prediction precision, the problem that thermal error compensation precision fluctuates due to short-term friction characteristic changes is solved, and the robustness of the thermal error compensation method is improved.

The invention provides an amphiphilic acetochlor magnetic molecularly imprinted polymer and a preparation method and application thereof. Glucose is used as a structural unit, thereby synthesizing hydrophilic alkenyl glycoside type functional monomer modified with imprinting acting site. By use of a hydrophilic-lyophobic dual-functional monomer molecular imprinting technology, the amphiphilic magnetic molecularly imprinted polymer is prepared. The prepared amphiphilic magnetic molecularly imprinted polymer has high specific selectivity, has amphipathicity and good adsorptive property in a water medium, and can be used for acetochlor content determination sample pretreatment in the agricultural products, and then an extraction system for complex sample pretreatment is established through the analytic detection and quantitative analysis of a liquid chromatogram system. The method provided by the invention is simple in step, convenient for operation, and strong in practicability.

The invention provides a food material crusher integrating crushing, screening and extruding and a using method. The food material crushing machine integrating crushing, screening and extruding comprises a machine body and a treatment groove. The treatment groove is formed in the machine body; and a screening structure is arranged in the treatment groove and comprises a screening hopper, a rotating motor and a sliding rod piece. According to the food material crushing machine integrating crushing, screening and extruding and the using method, by arranging the screening structure, a crushing structure and an extruding structure, crushing, screening and extruding integrated processing is achieved, three different types of processing treatment can be conducted on food materials simultaneously, and single machining equipment is not used for machining any more, so that the machining operation is simpler, the operation is very convenient, the machining time consumption is further reduced, the working efficiency is effectively improved, the using demands of people can be well met, and the practicability of the food material crushing machine is higher.